]> git.mxchange.org Git - quix0rs-gnu-social.git/commitdiff
Update line endings
authorSiebrand Mazeland <s.mazeland@xs4all.nl>
Wed, 13 Jan 2010 22:09:49 +0000 (23:09 +0100)
committerSiebrand Mazeland <s.mazeland@xs4all.nl>
Wed, 13 Jan 2010 22:09:49 +0000 (23:09 +0100)
13 files changed:
plugins/CasAuthentication/extlib/CAS.php
plugins/CasAuthentication/extlib/CAS/PGTStorage/pgt-db.php
plugins/CasAuthentication/extlib/CAS/PGTStorage/pgt-file.php
plugins/CasAuthentication/extlib/CAS/PGTStorage/pgt-main.php
plugins/CasAuthentication/extlib/CAS/client.php
plugins/CasAuthentication/extlib/CAS/domxml-php4-php5.php
plugins/CasAuthentication/extlib/CAS/languages/catalan.php
plugins/CasAuthentication/extlib/CAS/languages/english.php
plugins/CasAuthentication/extlib/CAS/languages/french.php
plugins/CasAuthentication/extlib/CAS/languages/german.php
plugins/CasAuthentication/extlib/CAS/languages/greek.php
plugins/CasAuthentication/extlib/CAS/languages/languages.php
plugins/CasAuthentication/extlib/CAS/languages/spanish.php

index 59238eb8138bc2aa3d335337f099adec07ca0d50..f5ea0b12a7b2094fd580afbba9c41adf1eafaee7 100644 (file)
-<?php\r
-\r
-// commented in 0.4.22-RC2 for Sylvain Derosiaux\r
-// error_reporting(E_ALL ^ E_NOTICE);\r
-\r
-//\r
-// hack by Vangelis Haniotakis to handle the absence of $_SERVER['REQUEST_URI'] in IIS\r
-//\r
-if (!$_SERVER['REQUEST_URI']) {\r
-       $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'].'?'.$_SERVER['QUERY_STRING'];\r
-}\r
-\r
-//\r
-// another one by Vangelis Haniotakis also to make phpCAS work with PHP5\r
-//\r
-if (version_compare(PHP_VERSION,'5','>=')) {\r
-       require_once(dirname(__FILE__).'/CAS/domxml-php4-php5.php');\r
-}\r
-\r
-/**\r
- * @file CAS/CAS.php\r
- * Interface class of the phpCAS library\r
- *\r
- * @ingroup public\r
- */\r
-\r
-// ########################################################################\r
-//  CONSTANTS\r
-// ########################################################################\r
-\r
-// ------------------------------------------------------------------------\r
-//  CAS VERSIONS\r
-// ------------------------------------------------------------------------\r
-\r
-/**\r
- * phpCAS version. accessible for the user by phpCAS::getVersion().\r
- */\r
-define('PHPCAS_VERSION','1.0.1');\r
-\r
-// ------------------------------------------------------------------------\r
-//  CAS VERSIONS\r
-// ------------------------------------------------------------------------\r
- /**\r
-  * @addtogroup public\r
-  * @{\r
-  */\r
-\r
-/**\r
- * CAS version 1.0\r
- */\r
-define("CAS_VERSION_1_0",'1.0');\r
-/*!\r
- * CAS version 2.0\r
- */\r
-define("CAS_VERSION_2_0",'2.0');\r
-\r
-/** @} */\r
- /**\r
-  * @addtogroup publicPGTStorage\r
-  * @{\r
-  */\r
-// ------------------------------------------------------------------------\r
-//  FILE PGT STORAGE\r
-// ------------------------------------------------------------------------\r
- /**\r
-  * Default path used when storing PGT's to file\r
-  */\r
-define("CAS_PGT_STORAGE_FILE_DEFAULT_PATH",'/tmp');\r
-/**\r
- * phpCAS::setPGTStorageFile()'s 2nd parameter to write plain text files\r
- */\r
-define("CAS_PGT_STORAGE_FILE_FORMAT_PLAIN",'plain');\r
-/**\r
- * phpCAS::setPGTStorageFile()'s 2nd parameter to write xml files\r
- */\r
-define("CAS_PGT_STORAGE_FILE_FORMAT_XML",'xml');\r
-/**\r
- * Default format used when storing PGT's to file\r
- */\r
-define("CAS_PGT_STORAGE_FILE_DEFAULT_FORMAT",CAS_PGT_STORAGE_FILE_FORMAT_PLAIN);\r
-// ------------------------------------------------------------------------\r
-//  DATABASE PGT STORAGE\r
-// ------------------------------------------------------------------------\r
- /**\r
-  * default database type when storing PGT's to database\r
-  */\r
-define("CAS_PGT_STORAGE_DB_DEFAULT_DATABASE_TYPE",'mysql');\r
-/**\r
- * default host when storing PGT's to database\r
- */\r
-define("CAS_PGT_STORAGE_DB_DEFAULT_HOSTNAME",'localhost');\r
-/**\r
- * default port when storing PGT's to database\r
- */\r
-define("CAS_PGT_STORAGE_DB_DEFAULT_PORT",'');\r
-/**\r
- * default database when storing PGT's to database\r
- */\r
-define("CAS_PGT_STORAGE_DB_DEFAULT_DATABASE",'phpCAS');\r
-/**\r
- * default table when storing PGT's to database\r
- */\r
-define("CAS_PGT_STORAGE_DB_DEFAULT_TABLE",'pgt');\r
-\r
-/** @} */\r
-// ------------------------------------------------------------------------\r
-// SERVICE ACCESS ERRORS\r
-// ------------------------------------------------------------------------\r
- /**\r
-  * @addtogroup publicServices\r
-  * @{\r
-  */\r
-\r
-/**\r
- * phpCAS::service() error code on success\r
- */\r
-define("PHPCAS_SERVICE_OK",0);\r
-/**\r
- * phpCAS::service() error code when the PT could not retrieve because\r
- * the CAS server did not respond.\r
- */\r
-define("PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE",1);\r
-/**\r
- * phpCAS::service() error code when the PT could not retrieve because\r
- * the response of the CAS server was ill-formed.\r
- */\r
-define("PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE",2);\r
-/**\r
- * phpCAS::service() error code when the PT could not retrieve because\r
- * the CAS server did not want to.\r
- */\r
-define("PHPCAS_SERVICE_PT_FAILURE",3);\r
-/**\r
- * phpCAS::service() error code when the service was not available.\r
- */\r
-define("PHPCAS_SERVICE_NOT AVAILABLE",4);\r
-\r
-/** @} */\r
-// ------------------------------------------------------------------------\r
-//  LANGUAGES\r
-// ------------------------------------------------------------------------\r
- /**\r
-  * @addtogroup publicLang\r
-  * @{\r
-  */\r
-\r
-define("PHPCAS_LANG_ENGLISH",    'english');\r
-define("PHPCAS_LANG_FRENCH",     'french');\r
-define("PHPCAS_LANG_GREEK",      'greek');\r
-define("PHPCAS_LANG_GERMAN",     'german');\r
-define("PHPCAS_LANG_JAPANESE",   'japanese');\r
-define("PHPCAS_LANG_SPANISH",    'spanish');\r
-define("PHPCAS_LANG_CATALAN",    'catalan');\r
-\r
-/** @} */\r
-\r
-/**\r
- * @addtogroup internalLang\r
- * @{\r
- */\r
-\r
-/**\r
- * phpCAS default language (when phpCAS::setLang() is not used)\r
- */\r
-define("PHPCAS_LANG_DEFAULT", PHPCAS_LANG_ENGLISH);\r
-\r
-/** @} */\r
-// ------------------------------------------------------------------------\r
-//  DEBUG\r
-// ------------------------------------------------------------------------\r
- /**\r
-  * @addtogroup publicDebug\r
-  * @{\r
-  */\r
-\r
-/**\r
- * The default directory for the debug file under Unix.\r
- */\r
-define('DEFAULT_DEBUG_DIR','/tmp/');\r
-\r
-/** @} */\r
-// ------------------------------------------------------------------------\r
-//  MISC\r
-// ------------------------------------------------------------------------\r
- /**\r
-  * @addtogroup internalMisc\r
-  * @{\r
-  */\r
-\r
-/**\r
- * This global variable is used by the interface class phpCAS.\r
- *\r
- * @hideinitializer\r
- */\r
-$GLOBALS['PHPCAS_CLIENT']  = null;\r
-\r
-/**\r
- * This global variable is used to store where the initializer is called from \r
- * (to print a comprehensive error in case of multiple calls).\r
- *\r
- * @hideinitializer\r
- */\r
-$GLOBALS['PHPCAS_INIT_CALL'] = array('done' => FALSE,\r
-       'file' => '?',\r
-       'line' => -1,\r
-       'method' => '?');\r
-\r
-/**\r
- * This global variable is used to store where the method checking\r
- * the authentication is called from (to print comprehensive errors)\r
- *\r
- * @hideinitializer\r
- */\r
-$GLOBALS['PHPCAS_AUTH_CHECK_CALL'] = array('done' => FALSE,\r
-       'file' => '?',\r
-       'line' => -1,\r
-       'method' => '?',\r
-       'result' => FALSE);\r
-\r
-/**\r
- * This global variable is used to store phpCAS debug mode.\r
- *\r
- * @hideinitializer\r
- */\r
-$GLOBALS['PHPCAS_DEBUG']  = array('filename' => FALSE,\r
-       'indent' => 0,\r
-       'unique_id' => '');\r
-\r
-/** @} */\r
-\r
-// ########################################################################\r
-//  CLIENT CLASS\r
-// ########################################################################\r
-\r
-// include client class\r
-include_once(dirname(__FILE__).'/CAS/client.php');\r
-\r
-// ########################################################################\r
-//  INTERFACE CLASS\r
-// ########################################################################\r
-\r
-/**\r
- * @class phpCAS\r
- * The phpCAS class is a simple container for the phpCAS library. It provides CAS\r
- * authentication for web applications written in PHP.\r
- *\r
- * @ingroup public\r
- * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>\r
- *\r
- * \internal All its methods access the same object ($PHPCAS_CLIENT, declared \r
- * at the end of CAS/client.php).\r
- */\r
-\r
-\r
-\r
-class phpCAS\r
-{\r
-       \r
-       // ########################################################################\r
-       //  INITIALIZATION\r
-       // ########################################################################\r
-       \r
-       /**\r
-        * @addtogroup publicInit\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * phpCAS client initializer.\r
-        * @note Only one of the phpCAS::client() and phpCAS::proxy functions should be\r
-        * called, only once, and before all other methods (except phpCAS::getVersion()\r
-        * and phpCAS::setDebug()).\r
-        *\r
-        * @param $server_version the version of the CAS server\r
-        * @param $server_hostname the hostname of the CAS server\r
-        * @param $server_port the port the CAS server is running on\r
-        * @param $server_uri the URI the CAS server is responding on\r
-        * @param $start_session Have phpCAS start PHP sessions (default true)\r
-        *\r
-        * @return a newly created CASClient object\r
-        */\r
-       function client($server_version,\r
-                                       $server_hostname,\r
-                                       $server_port,\r
-                                       $server_uri,\r
-                                       $start_session = true)\r
-               {\r
-               global $PHPCAS_CLIENT, $PHPCAS_INIT_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error($PHPCAS_INIT_CALL['method'].'() has already been called (at '.$PHPCAS_INIT_CALL['file'].':'.$PHPCAS_INIT_CALL['line'].')');\r
-               }\r
-               if ( gettype($server_version) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $server_version (should be `string\')');\r
-               }\r
-               if ( gettype($server_hostname) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $server_hostname (should be `string\')');\r
-               }\r
-               if ( gettype($server_port) != 'integer' ) {\r
-                       phpCAS::error('type mismatched for parameter $server_port (should be `integer\')');\r
-               }\r
-               if ( gettype($server_uri) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $server_uri (should be `string\')');\r
-               }\r
-               \r
-               // store where the initialzer is called from\r
-               $dbg = phpCAS::backtrace();\r
-               $PHPCAS_INIT_CALL = array('done' => TRUE,\r
-                       'file' => $dbg[0]['file'],\r
-                       'line' => $dbg[0]['line'],\r
-                       'method' => __CLASS__.'::'.__FUNCTION__);\r
-               \r
-               // initialize the global object $PHPCAS_CLIENT\r
-               $PHPCAS_CLIENT = new CASClient($server_version,FALSE/*proxy*/,$server_hostname,$server_port,$server_uri,$start_session);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /**\r
-        * phpCAS proxy initializer.\r
-        * @note Only one of the phpCAS::client() and phpCAS::proxy functions should be\r
-        * called, only once, and before all other methods (except phpCAS::getVersion()\r
-        * and phpCAS::setDebug()).\r
-        *\r
-        * @param $server_version the version of the CAS server\r
-        * @param $server_hostname the hostname of the CAS server\r
-        * @param $server_port the port the CAS server is running on\r
-        * @param $server_uri the URI the CAS server is responding on\r
-        * @param $start_session Have phpCAS start PHP sessions (default true)\r
-        *\r
-        * @return a newly created CASClient object\r
-        */\r
-       function proxy($server_version,\r
-                                  $server_hostname,\r
-                                  $server_port,\r
-                                  $server_uri,\r
-                                  $start_session = true)\r
-               {\r
-               global $PHPCAS_CLIENT, $PHPCAS_INIT_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error($PHPCAS_INIT_CALL['method'].'() has already been called (at '.$PHPCAS_INIT_CALL['file'].':'.$PHPCAS_INIT_CALL['line'].')');\r
-               }\r
-               if ( gettype($server_version) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $server_version (should be `string\')');\r
-               }\r
-               if ( gettype($server_hostname) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $server_hostname (should be `string\')');\r
-               }\r
-               if ( gettype($server_port) != 'integer' ) {\r
-                       phpCAS::error('type mismatched for parameter $server_port (should be `integer\')');\r
-               }\r
-               if ( gettype($server_uri) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $server_uri (should be `string\')');\r
-               }\r
-               \r
-               // store where the initialzer is called from\r
-               $dbg = phpCAS::backtrace();\r
-               $PHPCAS_INIT_CALL = array('done' => TRUE,\r
-                       'file' => $dbg[0]['file'],\r
-                       'line' => $dbg[0]['line'],\r
-                       'method' => __CLASS__.'::'.__FUNCTION__);\r
-               \r
-               // initialize the global object $PHPCAS_CLIENT\r
-               $PHPCAS_CLIENT = new CASClient($server_version,TRUE/*proxy*/,$server_hostname,$server_port,$server_uri,$start_session);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  DEBUGGING\r
-       // ########################################################################\r
-       \r
-       /**\r
-        * @addtogroup publicDebug\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * Set/unset debug mode\r
-        *\r
-        * @param $filename the name of the file used for logging, or FALSE to stop debugging.\r
-        */\r
-       function setDebug($filename='')\r
-               {\r
-               global $PHPCAS_DEBUG;\r
-               \r
-               if ( $filename != FALSE && gettype($filename) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $dbg (should be FALSE or the name of the log file)');\r
-               }\r
-               \r
-               if ( empty($filename) ) {\r
-                       if ( preg_match('/^Win.*/',getenv('OS')) ) {\r
-                               if ( isset($_ENV['TMP']) ) {\r
-                                       $debugDir = $_ENV['TMP'].'/';\r
-                               } else if ( isset($_ENV['TEMP']) ) {\r
-                                       $debugDir = $_ENV['TEMP'].'/';\r
-                               } else {\r
-                                       $debugDir = '';\r
-                               }\r
-                       } else {\r
-                               $debugDir = DEFAULT_DEBUG_DIR;\r
-                       }\r
-                       $filename = $debugDir . 'phpCAS.log';\r
-               }\r
-               \r
-               if ( empty($PHPCAS_DEBUG['unique_id']) ) {\r
-                       $PHPCAS_DEBUG['unique_id'] = substr(strtoupper(md5(uniqid(''))),0,4);\r
-               }\r
-               \r
-               $PHPCAS_DEBUG['filename'] = $filename;\r
-               \r
-               phpCAS::trace('START ******************');\r
-               }\r
-       \r
-       /** @} */\r
-       /**\r
-        * @addtogroup internalDebug\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * This method is a wrapper for debug_backtrace() that is not available \r
-        * in all PHP versions (>= 4.3.0 only)\r
-        */\r
-       function backtrace()\r
-               {\r
-               if ( function_exists('debug_backtrace') ) {\r
-                       return debug_backtrace();\r
-               } else {\r
-                       // poor man's hack ... but it does work ...\r
-                       return array();\r
-               }\r
-               }\r
-       \r
-       /**\r
-        * Logs a string in debug mode.\r
-        *\r
-        * @param $str the string to write\r
-        *\r
-        * @private\r
-        */\r
-       function log($str)\r
-               {\r
-               $indent_str = ".";\r
-               global $PHPCAS_DEBUG;\r
-               \r
-               if ( $PHPCAS_DEBUG['filename'] ) {\r
-                       for ($i=0;$i<$PHPCAS_DEBUG['indent'];$i++) {\r
-                               $indent_str .= '|    ';\r
-                       }\r
-                       error_log($PHPCAS_DEBUG['unique_id'].' '.$indent_str.$str."\n",3,$PHPCAS_DEBUG['filename']);\r
-               }\r
-               \r
-               }\r
-       \r
-       /**\r
-        * This method is used by interface methods to print an error and where the function\r
-        * was originally called from.\r
-        *\r
-        * @param $msg the message to print\r
-        *\r
-        * @private\r
-        */\r
-       function error($msg)\r
-               {\r
-               $dbg = phpCAS::backtrace();\r
-               $function = '?';\r
-               $file = '?';\r
-               $line = '?';\r
-               if ( is_array($dbg) ) {\r
-                       for ( $i=1; $i<sizeof($dbg); $i++) {\r
-                               if ( is_array($dbg[$i]) ) {\r
-                                       if ( $dbg[$i]['class'] == __CLASS__ ) {\r
-                                               $function = $dbg[$i]['function'];\r
-                                               $file = $dbg[$i]['file'];\r
-                                               $line = $dbg[$i]['line'];\r
-                                       }\r
-                               }\r
-                       }\r
-               }\r
-               echo "<br />\n<b>phpCAS error</b>: <font color=\"FF0000\"><b>".__CLASS__."::".$function.'(): '.htmlentities($msg)."</b></font> in <b>".$file."</b> on line <b>".$line."</b><br />\n";\r
-               phpCAS::trace($msg);\r
-               phpCAS::traceExit();\r
-               exit();\r
-               }\r
-       \r
-       /**\r
-        * This method is used to log something in debug mode.\r
-        */\r
-       function trace($str)\r
-               {\r
-               $dbg = phpCAS::backtrace();\r
-               phpCAS::log($str.' ['.basename($dbg[1]['file']).':'.$dbg[1]['line'].']');\r
-               }\r
-       \r
-       /**\r
-        * This method is used to indicate the start of the execution of a function in debug mode.\r
-        */\r
-       function traceBegin()\r
-               {\r
-               global $PHPCAS_DEBUG;\r
-               \r
-               $dbg = phpCAS::backtrace();\r
-               $str = '=> ';\r
-               if ( !empty($dbg[2]['class']) ) {\r
-                       $str .= $dbg[2]['class'].'::';\r
-               }\r
-               $str .= $dbg[2]['function'].'(';      \r
-               if ( is_array($dbg[2]['args']) ) {\r
-                       foreach ($dbg[2]['args'] as $index => $arg) {\r
-                               if ( $index != 0 ) {\r
-                                       $str .= ', ';\r
-                               }\r
-                               $str .= str_replace("\n","",var_export($arg,TRUE));\r
-                       }\r
-               }\r
-               $str .= ') ['.basename($dbg[2]['file']).':'.$dbg[2]['line'].']';\r
-               phpCAS::log($str);\r
-               $PHPCAS_DEBUG['indent'] ++;\r
-               }\r
-       \r
-       /**\r
-        * This method is used to indicate the end of the execution of a function in debug mode.\r
-        *\r
-        * @param $res the result of the function\r
-        */\r
-       function traceEnd($res='')\r
-               {\r
-               global $PHPCAS_DEBUG;\r
-               \r
-               $PHPCAS_DEBUG['indent'] --;\r
-               $dbg = phpCAS::backtrace();\r
-               $str = '';\r
-               $str .= '<= '.str_replace("\n","",var_export($res,TRUE));\r
-               phpCAS::log($str);\r
-               }\r
-       \r
-       /**\r
-        * This method is used to indicate the end of the execution of the program\r
-        */\r
-       function traceExit()\r
-               {\r
-               global $PHPCAS_DEBUG;\r
-               \r
-               phpCAS::log('exit()');\r
-               while ( $PHPCAS_DEBUG['indent'] > 0 ) {\r
-                       phpCAS::log('-');\r
-                       $PHPCAS_DEBUG['indent'] --;\r
-               }\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  INTERNATIONALIZATION\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup publicLang\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * This method is used to set the language used by phpCAS. \r
-        * @note Can be called only once.\r
-        *\r
-        * @param $lang a string representing the language.\r
-        *\r
-        * @sa PHPCAS_LANG_FRENCH, PHPCAS_LANG_ENGLISH\r
-        */\r
-       function setLang($lang)\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( gettype($lang) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $lang (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setLang($lang);\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  VERSION\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup public\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * This method returns the phpCAS version.\r
-        *\r
-        * @return the phpCAS version.\r
-        */\r
-       function getVersion()\r
-               {\r
-               return PHPCAS_VERSION;\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  HTML OUTPUT\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup publicOutput\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * This method sets the HTML header used for all outputs.\r
-        *\r
-        * @param $header the HTML header.\r
-        */\r
-       function setHTMLHeader($header)\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( gettype($header) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $header (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setHTMLHeader($header);\r
-               }\r
-       \r
-       /**\r
-        * This method sets the HTML footer used for all outputs.\r
-        *\r
-        * @param $footer the HTML footer.\r
-        */\r
-       function setHTMLFooter($footer)\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( gettype($footer) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $footer (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setHTMLFooter($footer);\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  PGT STORAGE\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup publicPGTStorage\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * This method is used to tell phpCAS to store the response of the\r
-        * CAS server to PGT requests onto the filesystem. \r
-        *\r
-        * @param $format the format used to store the PGT's (`plain' and `xml' allowed)\r
-        * @param $path the path where the PGT's should be stored\r
-        */\r
-       function setPGTStorageFile($format='',\r
-               $path='')\r
-               {\r
-               global $PHPCAS_CLIENT,$PHPCAS_AUTH_CHECK_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( !$PHPCAS_CLIENT->isProxy() ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( $PHPCAS_AUTH_CHECK_CALL['done'] ) {\r
-                       phpCAS::error('this method should only be called before '.$PHPCAS_AUTH_CHECK_CALL['method'].'() (called at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].')');\r
-               }\r
-               if ( gettype($format) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $format (should be `string\')');\r
-               }\r
-               if ( gettype($path) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $format (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setPGTStorageFile($format,$path);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /**\r
-        * This method is used to tell phpCAS to store the response of the\r
-        * CAS server to PGT requests into a database. \r
-        * @note The connection to the database is done only when needed. \r
-        * As a consequence, bad parameters are detected only when \r
-        * initializing PGT storage, except in debug mode.\r
-        *\r
-        * @param $user the user to access the data with\r
-        * @param $password the user's password\r
-        * @param $database_type the type of the database hosting the data\r
-        * @param $hostname the server hosting the database\r
-        * @param $port the port the server is listening on\r
-        * @param $database the name of the database\r
-        * @param $table the name of the table storing the data\r
-        */\r
-       function setPGTStorageDB($user,\r
-                                                        $password,\r
-                                                        $database_type='',\r
-                                                                $hostname='',\r
-                                                                        $port=0,\r
-                                                                                $database='',\r
-                                                                                        $table='')\r
-               {\r
-               global $PHPCAS_CLIENT,$PHPCAS_AUTH_CHECK_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( !$PHPCAS_CLIENT->isProxy() ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( $PHPCAS_AUTH_CHECK_CALL['done'] ) {\r
-                       phpCAS::error('this method should only be called before '.$PHPCAS_AUTH_CHECK_CALL['method'].'() (called at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].')');\r
-               }\r
-               if ( gettype($user) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $user (should be `string\')');\r
-               }\r
-               if ( gettype($password) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $password (should be `string\')');\r
-               }\r
-               if ( gettype($database_type) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $database_type (should be `string\')');\r
-               }\r
-               if ( gettype($hostname) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $hostname (should be `string\')');\r
-               }\r
-               if ( gettype($port) != 'integer' ) {\r
-                       phpCAS::error('type mismatched for parameter $port (should be `integer\')');\r
-               }\r
-               if ( gettype($database) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $database (should be `string\')');\r
-               }\r
-               if ( gettype($table) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $table (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setPGTStorageDB($this,$user,$password,$hostname,$port,$database,$table);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       // ACCESS TO EXTERNAL SERVICES\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup publicServices\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * This method is used to access an HTTP[S] service.\r
-        * \r
-        * @param $url the service to access.\r
-        * @param $err_code an error code Possible values are PHPCAS_SERVICE_OK (on\r
-        * success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,\r
-        * PHPCAS_SERVICE_PT_FAILURE, PHPCAS_SERVICE_NOT AVAILABLE.\r
-        * @param $output the output of the service (also used to give an error\r
-        * message on failure).\r
-        *\r
-        * @return TRUE on success, FALSE otherwise (in this later case, $err_code\r
-        * gives the reason why it failed and $output contains an error message).\r
-        */\r
-       function serviceWeb($url,&$err_code,&$output)\r
-               {\r
-               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( !$PHPCAS_CLIENT->isProxy() ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) {\r
-                       phpCAS::error('this method should only be called after the programmer is sure the user has been authenticated (by calling '.__CLASS__.'::checkAuthentication() or '.__CLASS__.'::forceAuthentication()');\r
-               }\r
-               if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) {\r
-                       phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE');\r
-               }\r
-               if ( gettype($url) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $url (should be `string\')');\r
-               }\r
-               \r
-               $res = $PHPCAS_CLIENT->serviceWeb($url,$err_code,$output);\r
-               \r
-               phpCAS::traceEnd($res);\r
-               return $res;\r
-               }\r
-       \r
-       /**\r
-        * This method is used to access an IMAP/POP3/NNTP service.\r
-        * \r
-        * @param $url a string giving the URL of the service, including the mailing box\r
-        * for IMAP URLs, as accepted by imap_open().\r
-        * @param $flags options given to imap_open().\r
-        * @param $err_code an error code Possible values are PHPCAS_SERVICE_OK (on\r
-        * success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,\r
-        * PHPCAS_SERVICE_PT_FAILURE, PHPCAS_SERVICE_NOT AVAILABLE.\r
-        * @param $err_msg an error message on failure\r
-        * @param $pt the Proxy Ticket (PT) retrieved from the CAS server to access the URL\r
-        * on success, FALSE on error).\r
-        *\r
-        * @return an IMAP stream on success, FALSE otherwise (in this later case, $err_code\r
-        * gives the reason why it failed and $err_msg contains an error message).\r
-        */\r
-       function serviceMail($url,$flags,&$err_code,&$err_msg,&$pt)\r
-               {\r
-               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( !$PHPCAS_CLIENT->isProxy() ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) {\r
-                       phpCAS::error('this method should only be called after the programmer is sure the user has been authenticated (by calling '.__CLASS__.'::checkAuthentication() or '.__CLASS__.'::forceAuthentication()');\r
-               }\r
-               if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) {\r
-                       phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE');\r
-               }\r
-               if ( gettype($url) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $url (should be `string\')');\r
-               }\r
-               \r
-               if ( gettype($flags) != 'integer' ) {\r
-                       phpCAS::error('type mismatched for parameter $flags (should be `integer\')');\r
-               }\r
-               \r
-               $res = $PHPCAS_CLIENT->serviceMail($url,$flags,$err_code,$err_msg,$pt);\r
-               \r
-               phpCAS::traceEnd($res);\r
-               return $res;\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  AUTHENTICATION\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup publicAuth\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * Set the times authentication will be cached before really accessing the CAS server in gateway mode: \r
-        * - -1: check only once, and then never again (until you pree login)\r
-        * - 0: always check\r
-        * - n: check every "n" time\r
-        *\r
-        * @param $n an integer.\r
-        */\r
-       function setCacheTimesForAuthRecheck($n)\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( gettype($n) != 'integer' ) {\r
-                       phpCAS::error('type mismatched for parameter $header (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setCacheTimesForAuthRecheck($n);\r
-               }\r
-       \r
-       /**\r
-        * This method is called to check if the user is authenticated (use the gateway feature).\r
-        * @return TRUE when the user is authenticated; otherwise FALSE.\r
-        */\r
-       function checkAuthentication()\r
-               {\r
-               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               \r
-               $auth = $PHPCAS_CLIENT->checkAuthentication();\r
-               \r
-               // store where the authentication has been checked and the result\r
-               $dbg = phpCAS::backtrace();\r
-               $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE,\r
-                       'file' => $dbg[0]['file'],\r
-                       'line' => $dbg[0]['line'],\r
-                       'method' => __CLASS__.'::'.__FUNCTION__,\r
-                       'result' => $auth );\r
-               phpCAS::traceEnd($auth);\r
-               return $auth; \r
-               }\r
-       \r
-       /**\r
-        * This method is called to force authentication if the user was not already \r
-        * authenticated. If the user is not authenticated, halt by redirecting to \r
-        * the CAS server.\r
-        */\r
-       function forceAuthentication()\r
-               {\r
-               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               \r
-               $auth = $PHPCAS_CLIENT->forceAuthentication();\r
-               \r
-               // store where the authentication has been checked and the result\r
-               $dbg = phpCAS::backtrace();\r
-               $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE,\r
-                       'file' => $dbg[0]['file'],\r
-                       'line' => $dbg[0]['line'],\r
-                       'method' => __CLASS__.'::'.__FUNCTION__,\r
-                       'result' => $auth );\r
-               \r
-               if ( !$auth ) {\r
-                       phpCAS::trace('user is not authenticated, redirecting to the CAS server');\r
-                       $PHPCAS_CLIENT->forceAuthentication();\r
-               } else {\r
-                       phpCAS::trace('no need to authenticate (user `'.phpCAS::getUser().'\' is already authenticated)');\r
-               }\r
-               \r
-               phpCAS::traceEnd();\r
-               return $auth; \r
-               }\r
-       \r
-       /**\r
-        * This method is called to renew the authentication.\r
-        **/\r
-       function renewAuthentication() {\r
-               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before'.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               \r
-               // store where the authentication has been checked and the result\r
-               $dbg = phpCAS::backtrace();\r
-               $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE, 'file' => $dbg[0]['file'], 'line' => $dbg[0]['line'], 'method' => __CLASS__.'::'.__FUNCTION__, 'result' => $auth );\r
-               \r
-               $PHPCAS_CLIENT->renewAuthentication();\r
-               phpCAS::traceEnd();\r
-       }\r
-\r
-       /**\r
-        * This method has been left from version 0.4.1 for compatibility reasons.\r
-        */\r
-       function authenticate()\r
-               {\r
-               phpCAS::error('this method is deprecated. You should use '.__CLASS__.'::forceAuthentication() instead');\r
-               }\r
-       \r
-       /**\r
-        * This method is called to check if the user is authenticated (previously or by\r
-        * tickets given in the URL).\r
-        *\r
-        * @return TRUE when the user is authenticated.\r
-        */\r
-       function isAuthenticated()\r
-               {\r
-               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;\r
-               \r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               \r
-               // call the isAuthenticated method of the global $PHPCAS_CLIENT object\r
-               $auth = $PHPCAS_CLIENT->isAuthenticated();\r
-               \r
-               // store where the authentication has been checked and the result\r
-               $dbg = phpCAS::backtrace();\r
-               $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE,\r
-                       'file' => $dbg[0]['file'],\r
-                       'line' => $dbg[0]['line'],\r
-                       'method' => __CLASS__.'::'.__FUNCTION__,\r
-                       'result' => $auth );\r
-               phpCAS::traceEnd($auth);\r
-               return $auth;\r
-               }\r
-       \r
-       /**\r
-        * Checks whether authenticated based on $_SESSION. Useful to avoid\r
-        * server calls.\r
-        * @return true if authenticated, false otherwise.\r
-        * @since 0.4.22 by Brendan Arnold\r
-        */\r
-       function isSessionAuthenticated ()\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               return($PHPCAS_CLIENT->isSessionAuthenticated());\r
-               }\r
-       \r
-       /**\r
-        * This method returns the CAS user's login name.\r
-        * @warning should not be called only after phpCAS::forceAuthentication()\r
-        * or phpCAS::checkAuthentication().\r
-        *\r
-        * @return the login name of the authenticated user\r
-        */\r
-       function getUser()\r
-               {\r
-               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::forceAuthentication() or '.__CLASS__.'::isAuthenticated()');\r
-               }\r
-               if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) {\r
-                       phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE');\r
-               }\r
-               return $PHPCAS_CLIENT->getUser();\r
-               }\r
-       \r
-    /**\r
-     * Handle logout requests.\r
-     */\r
-    function handleLogoutRequests($check_client=true, $allowed_clients=false)\r
-        {\r
-            global $PHPCAS_CLIENT;\r
-            if ( !is_object($PHPCAS_CLIENT) ) {\r
-                phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-            }\r
-            return($PHPCAS_CLIENT->handleLogoutRequests($check_client, $allowed_clients));\r
-        }\r
-   \r
-       /**\r
-        * This method returns the URL to be used to login.\r
-        * or phpCAS::isAuthenticated().\r
-        *\r
-        * @return the login name of the authenticated user\r
-        */\r
-       function getServerLoginURL()\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               return $PHPCAS_CLIENT->getServerLoginURL();\r
-               }\r
-       \r
-       /**\r
-        * Set the login URL of the CAS server.\r
-        * @param $url the login URL\r
-        * @since 0.4.21 by Wyman Chan\r
-        */\r
-       function setServerLoginURL($url='')\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after\r
-                               '.__CLASS__.'::client()');\r
-               }\r
-               if ( gettype($url) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $url (should be\r
-                       `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setServerLoginURL($url);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /**\r
-        * This method returns the URL to be used to login.\r
-        * or phpCAS::isAuthenticated().\r
-        *\r
-        * @return the login name of the authenticated user\r
-        */\r
-       function getServerLogoutURL()\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');\r
-               }\r
-               return $PHPCAS_CLIENT->getServerLogoutURL();\r
-               }\r
-       \r
-       /**\r
-        * Set the logout URL of the CAS server.\r
-        * @param $url the logout URL\r
-        * @since 0.4.21 by Wyman Chan\r
-        */\r
-       function setServerLogoutURL($url='')\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after\r
-                               '.__CLASS__.'::client()');\r
-               }\r
-               if ( gettype($url) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $url (should be\r
-                       `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setServerLogoutURL($url);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /**\r
-        * This method is used to logout from CAS.\r
-        * @params $params an array that contains the optional url and service parameters that will be passed to the CAS server\r
-        * @public\r
-        */\r
-       function logout($params = "") {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if (!is_object($PHPCAS_CLIENT)) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');\r
-               }\r
-               $parsedParams = array();\r
-               if ($params != "") {\r
-                       if (is_string($params)) {\r
-                               phpCAS::error('method `phpCAS::logout($url)\' is now deprecated, use `phpCAS::logoutWithUrl($url)\' instead');\r
-                       }\r
-                       if (!is_array($params)) {\r
-                               phpCAS::error('type mismatched for parameter $params (should be `array\')');\r
-                       }\r
-                       foreach ($params as $key => $value) {\r
-                               if ($key != "service" && $key != "url") {\r
-                                       phpCAS::error('only `url\' and `service\' parameters are allowed for method `phpCAS::logout($params)\'');\r
-                               }\r
-                               $parsedParams[$key] = $value;\r
-                       }\r
-               }\r
-               $PHPCAS_CLIENT->logout($parsedParams);\r
-               // never reached\r
-               phpCAS::traceEnd();\r
-       }\r
-       \r
-       /**\r
-        * This method is used to logout from CAS. Halts by redirecting to the CAS server.\r
-        * @param $service a URL that will be transmitted to the CAS server\r
-        */\r
-       function logoutWithRedirectService($service) {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');\r
-               }\r
-               if (!is_string($service)) {\r
-                       phpCAS::error('type mismatched for parameter $service (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->logout(array("service" => $service));\r
-               // never reached\r
-               phpCAS::traceEnd();\r
-       }\r
-       \r
-       /**\r
-        * This method is used to logout from CAS. Halts by redirecting to the CAS server.\r
-        * @param $url a URL that will be transmitted to the CAS server\r
-        */\r
-       function logoutWithUrl($url) {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');\r
-               }\r
-               if (!is_string($url)) {\r
-                       phpCAS::error('type mismatched for parameter $url (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->logout(array("url" => $url));\r
-               // never reached\r
-               phpCAS::traceEnd();\r
-       }\r
-       \r
-       /**\r
-        * This method is used to logout from CAS. Halts by redirecting to the CAS server.\r
-        * @param $service a URL that will be transmitted to the CAS server\r
-        * @param $url a URL that will be transmitted to the CAS server\r
-        */\r
-       function logoutWithRedirectServiceAndUrl($service, $url) {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');\r
-               }\r
-               if (!is_string($service)) {\r
-                       phpCAS::error('type mismatched for parameter $service (should be `string\')');\r
-               }\r
-               if (!is_string($url)) {\r
-                       phpCAS::error('type mismatched for parameter $url (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->logout(array("service" => $service, "url" => $url));\r
-               // never reached\r
-               phpCAS::traceEnd();\r
-       }\r
-       \r
-       /**\r
-        * Set the fixed URL that will be used by the CAS server to transmit the PGT.\r
-        * When this method is not called, a phpCAS script uses its own URL for the callback.\r
-        *\r
-        * @param $url the URL\r
-        */\r
-       function setFixedCallbackURL($url='')\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( !$PHPCAS_CLIENT->isProxy() ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }\r
-               if ( gettype($url) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $url (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setCallbackURL($url);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /**\r
-        * Set the fixed URL that will be set as the CAS service parameter. When this\r
-        * method is not called, a phpCAS script uses its own URL.\r
-        *\r
-        * @param $url the URL\r
-        */\r
-       function setFixedServiceURL($url)\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }  \r
-               if ( gettype($url) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $url (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setURL($url);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /**\r
-        * Get the URL that is set as the CAS service parameter.\r
-        */\r
-       function getServiceURL()\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }  \r
-               return($PHPCAS_CLIENT->getURL());\r
-               }\r
-       \r
-       /**\r
-        * Retrieve a Proxy Ticket from the CAS server.\r
-        */\r
-       function retrievePT($target_service,&$err_code,&$err_msg)\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');\r
-               }  \r
-               if ( gettype($target_service) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $target_service(should be `string\')');\r
-               }\r
-               return($PHPCAS_CLIENT->retrievePT($target_service,$err_code,$err_msg));\r
-               }\r
-       \r
-       /**\r
-        * Set the certificate of the CAS server.\r
-        *\r
-        * @param $cert the PEM certificate\r
-        */\r
-       function setCasServerCert($cert)\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');\r
-               }  \r
-               if ( gettype($cert) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $cert (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setCasServerCert($cert);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /**\r
-        * Set the certificate of the CAS server CA.\r
-        *\r
-        * @param $cert the CA certificate\r
-        */\r
-       function setCasServerCACert($cert)\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');\r
-               }  \r
-               if ( gettype($cert) != 'string' ) {\r
-                       phpCAS::error('type mismatched for parameter $cert (should be `string\')');\r
-               }\r
-               $PHPCAS_CLIENT->setCasServerCACert($cert);\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /**\r
-        * Set no SSL validation for the CAS server.\r
-        */\r
-       function setNoCasServerValidation()\r
-               {\r
-               global $PHPCAS_CLIENT;\r
-               phpCAS::traceBegin();\r
-               if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');\r
-               }  \r
-               $PHPCAS_CLIENT->setNoCasServerValidation();\r
-               phpCAS::traceEnd();\r
-               }\r
-       \r
-       /** @} */\r
-       \r
-  /**\r
-   * Change CURL options.\r
-   * CURL is used to connect through HTTPS to CAS server\r
-   * @param $key the option key\r
-   * @param $value the value to set\r
-   */\r
-   function setExtraCurlOption($key, $value)\r
-               {\r
-                 global $PHPCAS_CLIENT;\r
-                 phpCAS::traceBegin();\r
-                 if ( !is_object($PHPCAS_CLIENT) ) {\r
-                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');\r
-                 }  \r
-                 $PHPCAS_CLIENT->setExtraCurlOption($key, $value);\r
-                 phpCAS::traceEnd();\r
-               }\r
-\r
-}\r
-\r
-// ########################################################################\r
-// DOCUMENTATION\r
-// ########################################################################\r
-\r
-// ########################################################################\r
-//  MAIN PAGE\r
-\r
-/**\r
- * @mainpage\r
- *\r
- * The following pages only show the source documentation.\r
- *\r
- */\r
-\r
-// ########################################################################\r
-//  MODULES DEFINITION\r
-\r
-/** @defgroup public User interface */\r
-\r
-/** @defgroup publicInit Initialization\r
- *  @ingroup public */\r
-\r
-/** @defgroup publicAuth Authentication\r
- *  @ingroup public */\r
-\r
-/** @defgroup publicServices Access to external services\r
- *  @ingroup public */\r
-\r
-/** @defgroup publicConfig Configuration\r
- *  @ingroup public */\r
-\r
-/** @defgroup publicLang Internationalization\r
- *  @ingroup publicConfig */\r
-\r
-/** @defgroup publicOutput HTML output\r
- *  @ingroup publicConfig */\r
-\r
-/** @defgroup publicPGTStorage PGT storage\r
- *  @ingroup publicConfig */\r
-\r
-/** @defgroup publicDebug Debugging\r
- *  @ingroup public */\r
-\r
-\r
-/** @defgroup internal Implementation */\r
-\r
-/** @defgroup internalAuthentication Authentication\r
- *  @ingroup internal */\r
-\r
-/** @defgroup internalBasic CAS Basic client features (CAS 1.0, Service Tickets)\r
- *  @ingroup internal */\r
-\r
-/** @defgroup internalProxy CAS Proxy features (CAS 2.0, Proxy Granting Tickets)\r
- *  @ingroup internal */\r
-\r
-/** @defgroup internalPGTStorage PGT storage\r
- *  @ingroup internalProxy */\r
-\r
-/** @defgroup internalPGTStorageDB PGT storage in a database\r
- *  @ingroup internalPGTStorage */\r
-\r
-/** @defgroup internalPGTStorageFile PGT storage on the filesystem\r
- *  @ingroup internalPGTStorage */\r
-\r
-/** @defgroup internalCallback Callback from the CAS server\r
- *  @ingroup internalProxy */\r
-\r
-/** @defgroup internalProxied CAS proxied client features (CAS 2.0, Proxy Tickets)\r
- *  @ingroup internal */\r
-\r
-/** @defgroup internalConfig Configuration\r
- *  @ingroup internal */\r
-\r
-/** @defgroup internalOutput HTML output\r
- *  @ingroup internalConfig */\r
-\r
-/** @defgroup internalLang Internationalization\r
- *  @ingroup internalConfig\r
- *\r
- * To add a new language:\r
- * - 1. define a new constant PHPCAS_LANG_XXXXXX in CAS/CAS.php\r
- * - 2. copy any file from CAS/languages to CAS/languages/XXXXXX.php\r
- * - 3. Make the translations\r
- */\r
-\r
-/** @defgroup internalDebug Debugging\r
- *  @ingroup internal */\r
-\r
-/** @defgroup internalMisc Miscellaneous\r
- *  @ingroup internal */\r
-\r
-// ########################################################################\r
-//  EXAMPLES\r
-\r
-/**\r
- * @example example_simple.php\r
- */\r
- /**\r
-  * @example example_proxy.php\r
-  */\r
-  /**\r
-   * @example example_proxy2.php\r
-   */\r
-   /**\r
-    * @example example_lang.php\r
-    */\r
-    /**\r
-     * @example example_html.php\r
-     */\r
-     /**\r
-      * @example example_file.php\r
-      */\r
-      /**\r
-       * @example example_db.php\r
-       */\r
-       /**\r
-        * @example example_service.php\r
-        */\r
-        /**\r
-         * @example example_session_proxy.php\r
-         */\r
-         /**\r
-          * @example example_session_service.php\r
-          */\r
-          /**\r
-           * @example example_gateway.php\r
-           */\r
-\r
-\r
-\r
-?>\r
+<?php
+
+// commented in 0.4.22-RC2 for Sylvain Derosiaux
+// error_reporting(E_ALL ^ E_NOTICE);
+
+//
+// hack by Vangelis Haniotakis to handle the absence of $_SERVER['REQUEST_URI'] in IIS
+//
+if (!$_SERVER['REQUEST_URI']) {
+       $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'].'?'.$_SERVER['QUERY_STRING'];
+}
+
+//
+// another one by Vangelis Haniotakis also to make phpCAS work with PHP5
+//
+if (version_compare(PHP_VERSION,'5','>=')) {
+       require_once(dirname(__FILE__).'/CAS/domxml-php4-php5.php');
+}
+
+/**
+ * @file CAS/CAS.php
+ * Interface class of the phpCAS library
+ *
+ * @ingroup public
+ */
+
+// ########################################################################
+//  CONSTANTS
+// ########################################################################
+
+// ------------------------------------------------------------------------
+//  CAS VERSIONS
+// ------------------------------------------------------------------------
+
+/**
+ * phpCAS version. accessible for the user by phpCAS::getVersion().
+ */
+define('PHPCAS_VERSION','1.0.1');
+
+// ------------------------------------------------------------------------
+//  CAS VERSIONS
+// ------------------------------------------------------------------------
+ /**
+  * @addtogroup public
+  * @{
+  */
+
+/**
+ * CAS version 1.0
+ */
+define("CAS_VERSION_1_0",'1.0');
+/*!
+ * CAS version 2.0
+ */
+define("CAS_VERSION_2_0",'2.0');
+
+/** @} */
+ /**
+  * @addtogroup publicPGTStorage
+  * @{
+  */
+// ------------------------------------------------------------------------
+//  FILE PGT STORAGE
+// ------------------------------------------------------------------------
+ /**
+  * Default path used when storing PGT's to file
+  */
+define("CAS_PGT_STORAGE_FILE_DEFAULT_PATH",'/tmp');
+/**
+ * phpCAS::setPGTStorageFile()'s 2nd parameter to write plain text files
+ */
+define("CAS_PGT_STORAGE_FILE_FORMAT_PLAIN",'plain');
+/**
+ * phpCAS::setPGTStorageFile()'s 2nd parameter to write xml files
+ */
+define("CAS_PGT_STORAGE_FILE_FORMAT_XML",'xml');
+/**
+ * Default format used when storing PGT's to file
+ */
+define("CAS_PGT_STORAGE_FILE_DEFAULT_FORMAT",CAS_PGT_STORAGE_FILE_FORMAT_PLAIN);
+// ------------------------------------------------------------------------
+//  DATABASE PGT STORAGE
+// ------------------------------------------------------------------------
+ /**
+  * default database type when storing PGT's to database
+  */
+define("CAS_PGT_STORAGE_DB_DEFAULT_DATABASE_TYPE",'mysql');
+/**
+ * default host when storing PGT's to database
+ */
+define("CAS_PGT_STORAGE_DB_DEFAULT_HOSTNAME",'localhost');
+/**
+ * default port when storing PGT's to database
+ */
+define("CAS_PGT_STORAGE_DB_DEFAULT_PORT",'');
+/**
+ * default database when storing PGT's to database
+ */
+define("CAS_PGT_STORAGE_DB_DEFAULT_DATABASE",'phpCAS');
+/**
+ * default table when storing PGT's to database
+ */
+define("CAS_PGT_STORAGE_DB_DEFAULT_TABLE",'pgt');
+
+/** @} */
+// ------------------------------------------------------------------------
+// SERVICE ACCESS ERRORS
+// ------------------------------------------------------------------------
+ /**
+  * @addtogroup publicServices
+  * @{
+  */
+
+/**
+ * phpCAS::service() error code on success
+ */
+define("PHPCAS_SERVICE_OK",0);
+/**
+ * phpCAS::service() error code when the PT could not retrieve because
+ * the CAS server did not respond.
+ */
+define("PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE",1);
+/**
+ * phpCAS::service() error code when the PT could not retrieve because
+ * the response of the CAS server was ill-formed.
+ */
+define("PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE",2);
+/**
+ * phpCAS::service() error code when the PT could not retrieve because
+ * the CAS server did not want to.
+ */
+define("PHPCAS_SERVICE_PT_FAILURE",3);
+/**
+ * phpCAS::service() error code when the service was not available.
+ */
+define("PHPCAS_SERVICE_NOT AVAILABLE",4);
+
+/** @} */
+// ------------------------------------------------------------------------
+//  LANGUAGES
+// ------------------------------------------------------------------------
+ /**
+  * @addtogroup publicLang
+  * @{
+  */
+
+define("PHPCAS_LANG_ENGLISH",    'english');
+define("PHPCAS_LANG_FRENCH",     'french');
+define("PHPCAS_LANG_GREEK",      'greek');
+define("PHPCAS_LANG_GERMAN",     'german');
+define("PHPCAS_LANG_JAPANESE",   'japanese');
+define("PHPCAS_LANG_SPANISH",    'spanish');
+define("PHPCAS_LANG_CATALAN",    'catalan');
+
+/** @} */
+
+/**
+ * @addtogroup internalLang
+ * @{
+ */
+
+/**
+ * phpCAS default language (when phpCAS::setLang() is not used)
+ */
+define("PHPCAS_LANG_DEFAULT", PHPCAS_LANG_ENGLISH);
+
+/** @} */
+// ------------------------------------------------------------------------
+//  DEBUG
+// ------------------------------------------------------------------------
+ /**
+  * @addtogroup publicDebug
+  * @{
+  */
+
+/**
+ * The default directory for the debug file under Unix.
+ */
+define('DEFAULT_DEBUG_DIR','/tmp/');
+
+/** @} */
+// ------------------------------------------------------------------------
+//  MISC
+// ------------------------------------------------------------------------
+ /**
+  * @addtogroup internalMisc
+  * @{
+  */
+
+/**
+ * This global variable is used by the interface class phpCAS.
+ *
+ * @hideinitializer
+ */
+$GLOBALS['PHPCAS_CLIENT']  = null;
+
+/**
+ * This global variable is used to store where the initializer is called from 
+ * (to print a comprehensive error in case of multiple calls).
+ *
+ * @hideinitializer
+ */
+$GLOBALS['PHPCAS_INIT_CALL'] = array('done' => FALSE,
+       'file' => '?',
+       'line' => -1,
+       'method' => '?');
+
+/**
+ * This global variable is used to store where the method checking
+ * the authentication is called from (to print comprehensive errors)
+ *
+ * @hideinitializer
+ */
+$GLOBALS['PHPCAS_AUTH_CHECK_CALL'] = array('done' => FALSE,
+       'file' => '?',
+       'line' => -1,
+       'method' => '?',
+       'result' => FALSE);
+
+/**
+ * This global variable is used to store phpCAS debug mode.
+ *
+ * @hideinitializer
+ */
+$GLOBALS['PHPCAS_DEBUG']  = array('filename' => FALSE,
+       'indent' => 0,
+       'unique_id' => '');
+
+/** @} */
+
+// ########################################################################
+//  CLIENT CLASS
+// ########################################################################
+
+// include client class
+include_once(dirname(__FILE__).'/CAS/client.php');
+
+// ########################################################################
+//  INTERFACE CLASS
+// ########################################################################
+
+/**
+ * @class phpCAS
+ * The phpCAS class is a simple container for the phpCAS library. It provides CAS
+ * authentication for web applications written in PHP.
+ *
+ * @ingroup public
+ * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>
+ *
+ * \internal All its methods access the same object ($PHPCAS_CLIENT, declared 
+ * at the end of CAS/client.php).
+ */
+
+
+
+class phpCAS
+{
+       
+       // ########################################################################
+       //  INITIALIZATION
+       // ########################################################################
+       
+       /**
+        * @addtogroup publicInit
+        * @{
+        */
+       
+       /**
+        * phpCAS client initializer.
+        * @note Only one of the phpCAS::client() and phpCAS::proxy functions should be
+        * called, only once, and before all other methods (except phpCAS::getVersion()
+        * and phpCAS::setDebug()).
+        *
+        * @param $server_version the version of the CAS server
+        * @param $server_hostname the hostname of the CAS server
+        * @param $server_port the port the CAS server is running on
+        * @param $server_uri the URI the CAS server is responding on
+        * @param $start_session Have phpCAS start PHP sessions (default true)
+        *
+        * @return a newly created CASClient object
+        */
+       function client($server_version,
+                                       $server_hostname,
+                                       $server_port,
+                                       $server_uri,
+                                       $start_session = true)
+               {
+               global $PHPCAS_CLIENT, $PHPCAS_INIT_CALL;
+               
+               phpCAS::traceBegin();
+               if ( is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error($PHPCAS_INIT_CALL['method'].'() has already been called (at '.$PHPCAS_INIT_CALL['file'].':'.$PHPCAS_INIT_CALL['line'].')');
+               }
+               if ( gettype($server_version) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $server_version (should be `string\')');
+               }
+               if ( gettype($server_hostname) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $server_hostname (should be `string\')');
+               }
+               if ( gettype($server_port) != 'integer' ) {
+                       phpCAS::error('type mismatched for parameter $server_port (should be `integer\')');
+               }
+               if ( gettype($server_uri) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $server_uri (should be `string\')');
+               }
+               
+               // store where the initialzer is called from
+               $dbg = phpCAS::backtrace();
+               $PHPCAS_INIT_CALL = array('done' => TRUE,
+                       'file' => $dbg[0]['file'],
+                       'line' => $dbg[0]['line'],
+                       'method' => __CLASS__.'::'.__FUNCTION__);
+               
+               // initialize the global object $PHPCAS_CLIENT
+               $PHPCAS_CLIENT = new CASClient($server_version,FALSE/*proxy*/,$server_hostname,$server_port,$server_uri,$start_session);
+               phpCAS::traceEnd();
+               }
+       
+       /**
+        * phpCAS proxy initializer.
+        * @note Only one of the phpCAS::client() and phpCAS::proxy functions should be
+        * called, only once, and before all other methods (except phpCAS::getVersion()
+        * and phpCAS::setDebug()).
+        *
+        * @param $server_version the version of the CAS server
+        * @param $server_hostname the hostname of the CAS server
+        * @param $server_port the port the CAS server is running on
+        * @param $server_uri the URI the CAS server is responding on
+        * @param $start_session Have phpCAS start PHP sessions (default true)
+        *
+        * @return a newly created CASClient object
+        */
+       function proxy($server_version,
+                                  $server_hostname,
+                                  $server_port,
+                                  $server_uri,
+                                  $start_session = true)
+               {
+               global $PHPCAS_CLIENT, $PHPCAS_INIT_CALL;
+               
+               phpCAS::traceBegin();
+               if ( is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error($PHPCAS_INIT_CALL['method'].'() has already been called (at '.$PHPCAS_INIT_CALL['file'].':'.$PHPCAS_INIT_CALL['line'].')');
+               }
+               if ( gettype($server_version) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $server_version (should be `string\')');
+               }
+               if ( gettype($server_hostname) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $server_hostname (should be `string\')');
+               }
+               if ( gettype($server_port) != 'integer' ) {
+                       phpCAS::error('type mismatched for parameter $server_port (should be `integer\')');
+               }
+               if ( gettype($server_uri) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $server_uri (should be `string\')');
+               }
+               
+               // store where the initialzer is called from
+               $dbg = phpCAS::backtrace();
+               $PHPCAS_INIT_CALL = array('done' => TRUE,
+                       'file' => $dbg[0]['file'],
+                       'line' => $dbg[0]['line'],
+                       'method' => __CLASS__.'::'.__FUNCTION__);
+               
+               // initialize the global object $PHPCAS_CLIENT
+               $PHPCAS_CLIENT = new CASClient($server_version,TRUE/*proxy*/,$server_hostname,$server_port,$server_uri,$start_session);
+               phpCAS::traceEnd();
+               }
+       
+       /** @} */
+       // ########################################################################
+       //  DEBUGGING
+       // ########################################################################
+       
+       /**
+        * @addtogroup publicDebug
+        * @{
+        */
+       
+       /**
+        * Set/unset debug mode
+        *
+        * @param $filename the name of the file used for logging, or FALSE to stop debugging.
+        */
+       function setDebug($filename='')
+               {
+               global $PHPCAS_DEBUG;
+               
+               if ( $filename != FALSE && gettype($filename) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $dbg (should be FALSE or the name of the log file)');
+               }
+               
+               if ( empty($filename) ) {
+                       if ( preg_match('/^Win.*/',getenv('OS')) ) {
+                               if ( isset($_ENV['TMP']) ) {
+                                       $debugDir = $_ENV['TMP'].'/';
+                               } else if ( isset($_ENV['TEMP']) ) {
+                                       $debugDir = $_ENV['TEMP'].'/';
+                               } else {
+                                       $debugDir = '';
+                               }
+                       } else {
+                               $debugDir = DEFAULT_DEBUG_DIR;
+                       }
+                       $filename = $debugDir . 'phpCAS.log';
+               }
+               
+               if ( empty($PHPCAS_DEBUG['unique_id']) ) {
+                       $PHPCAS_DEBUG['unique_id'] = substr(strtoupper(md5(uniqid(''))),0,4);
+               }
+               
+               $PHPCAS_DEBUG['filename'] = $filename;
+               
+               phpCAS::trace('START ******************');
+               }
+       
+       /** @} */
+       /**
+        * @addtogroup internalDebug
+        * @{
+        */
+       
+       /**
+        * This method is a wrapper for debug_backtrace() that is not available 
+        * in all PHP versions (>= 4.3.0 only)
+        */
+       function backtrace()
+               {
+               if ( function_exists('debug_backtrace') ) {
+                       return debug_backtrace();
+               } else {
+                       // poor man's hack ... but it does work ...
+                       return array();
+               }
+               }
+       
+       /**
+        * Logs a string in debug mode.
+        *
+        * @param $str the string to write
+        *
+        * @private
+        */
+       function log($str)
+               {
+               $indent_str = ".";
+               global $PHPCAS_DEBUG;
+               
+               if ( $PHPCAS_DEBUG['filename'] ) {
+                       for ($i=0;$i<$PHPCAS_DEBUG['indent'];$i++) {
+                               $indent_str .= '|    ';
+                       }
+                       error_log($PHPCAS_DEBUG['unique_id'].' '.$indent_str.$str."\n",3,$PHPCAS_DEBUG['filename']);
+               }
+               
+               }
+       
+       /**
+        * This method is used by interface methods to print an error and where the function
+        * was originally called from.
+        *
+        * @param $msg the message to print
+        *
+        * @private
+        */
+       function error($msg)
+               {
+               $dbg = phpCAS::backtrace();
+               $function = '?';
+               $file = '?';
+               $line = '?';
+               if ( is_array($dbg) ) {
+                       for ( $i=1; $i<sizeof($dbg); $i++) {
+                               if ( is_array($dbg[$i]) ) {
+                                       if ( $dbg[$i]['class'] == __CLASS__ ) {
+                                               $function = $dbg[$i]['function'];
+                                               $file = $dbg[$i]['file'];
+                                               $line = $dbg[$i]['line'];
+                                       }
+                               }
+                       }
+               }
+               echo "<br />\n<b>phpCAS error</b>: <font color=\"FF0000\"><b>".__CLASS__."::".$function.'(): '.htmlentities($msg)."</b></font> in <b>".$file."</b> on line <b>".$line."</b><br />\n";
+               phpCAS::trace($msg);
+               phpCAS::traceExit();
+               exit();
+               }
+       
+       /**
+        * This method is used to log something in debug mode.
+        */
+       function trace($str)
+               {
+               $dbg = phpCAS::backtrace();
+               phpCAS::log($str.' ['.basename($dbg[1]['file']).':'.$dbg[1]['line'].']');
+               }
+       
+       /**
+        * This method is used to indicate the start of the execution of a function in debug mode.
+        */
+       function traceBegin()
+               {
+               global $PHPCAS_DEBUG;
+               
+               $dbg = phpCAS::backtrace();
+               $str = '=> ';
+               if ( !empty($dbg[2]['class']) ) {
+                       $str .= $dbg[2]['class'].'::';
+               }
+               $str .= $dbg[2]['function'].'(';      
+               if ( is_array($dbg[2]['args']) ) {
+                       foreach ($dbg[2]['args'] as $index => $arg) {
+                               if ( $index != 0 ) {
+                                       $str .= ', ';
+                               }
+                               $str .= str_replace("\n","",var_export($arg,TRUE));
+                       }
+               }
+               $str .= ') ['.basename($dbg[2]['file']).':'.$dbg[2]['line'].']';
+               phpCAS::log($str);
+               $PHPCAS_DEBUG['indent'] ++;
+               }
+       
+       /**
+        * This method is used to indicate the end of the execution of a function in debug mode.
+        *
+        * @param $res the result of the function
+        */
+       function traceEnd($res='')
+               {
+               global $PHPCAS_DEBUG;
+               
+               $PHPCAS_DEBUG['indent'] --;
+               $dbg = phpCAS::backtrace();
+               $str = '';
+               $str .= '<= '.str_replace("\n","",var_export($res,TRUE));
+               phpCAS::log($str);
+               }
+       
+       /**
+        * This method is used to indicate the end of the execution of the program
+        */
+       function traceExit()
+               {
+               global $PHPCAS_DEBUG;
+               
+               phpCAS::log('exit()');
+               while ( $PHPCAS_DEBUG['indent'] > 0 ) {
+                       phpCAS::log('-');
+                       $PHPCAS_DEBUG['indent'] --;
+               }
+               }
+       
+       /** @} */
+       // ########################################################################
+       //  INTERNATIONALIZATION
+       // ########################################################################
+       /**
+        * @addtogroup publicLang
+        * @{
+        */
+       
+       /**
+        * This method is used to set the language used by phpCAS. 
+        * @note Can be called only once.
+        *
+        * @param $lang a string representing the language.
+        *
+        * @sa PHPCAS_LANG_FRENCH, PHPCAS_LANG_ENGLISH
+        */
+       function setLang($lang)
+               {
+               global $PHPCAS_CLIENT;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               if ( gettype($lang) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $lang (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setLang($lang);
+               }
+       
+       /** @} */
+       // ########################################################################
+       //  VERSION
+       // ########################################################################
+       /**
+        * @addtogroup public
+        * @{
+        */
+       
+       /**
+        * This method returns the phpCAS version.
+        *
+        * @return the phpCAS version.
+        */
+       function getVersion()
+               {
+               return PHPCAS_VERSION;
+               }
+       
+       /** @} */
+       // ########################################################################
+       //  HTML OUTPUT
+       // ########################################################################
+       /**
+        * @addtogroup publicOutput
+        * @{
+        */
+       
+       /**
+        * This method sets the HTML header used for all outputs.
+        *
+        * @param $header the HTML header.
+        */
+       function setHTMLHeader($header)
+               {
+               global $PHPCAS_CLIENT;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               if ( gettype($header) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $header (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setHTMLHeader($header);
+               }
+       
+       /**
+        * This method sets the HTML footer used for all outputs.
+        *
+        * @param $footer the HTML footer.
+        */
+       function setHTMLFooter($footer)
+               {
+               global $PHPCAS_CLIENT;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               if ( gettype($footer) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $footer (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setHTMLFooter($footer);
+               }
+       
+       /** @} */
+       // ########################################################################
+       //  PGT STORAGE
+       // ########################################################################
+       /**
+        * @addtogroup publicPGTStorage
+        * @{
+        */
+       
+       /**
+        * This method is used to tell phpCAS to store the response of the
+        * CAS server to PGT requests onto the filesystem. 
+        *
+        * @param $format the format used to store the PGT's (`plain' and `xml' allowed)
+        * @param $path the path where the PGT's should be stored
+        */
+       function setPGTStorageFile($format='',
+               $path='')
+               {
+               global $PHPCAS_CLIENT,$PHPCAS_AUTH_CHECK_CALL;
+               
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( !$PHPCAS_CLIENT->isProxy() ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( $PHPCAS_AUTH_CHECK_CALL['done'] ) {
+                       phpCAS::error('this method should only be called before '.$PHPCAS_AUTH_CHECK_CALL['method'].'() (called at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].')');
+               }
+               if ( gettype($format) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $format (should be `string\')');
+               }
+               if ( gettype($path) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $format (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setPGTStorageFile($format,$path);
+               phpCAS::traceEnd();
+               }
+       
+       /**
+        * This method is used to tell phpCAS to store the response of the
+        * CAS server to PGT requests into a database. 
+        * @note The connection to the database is done only when needed. 
+        * As a consequence, bad parameters are detected only when 
+        * initializing PGT storage, except in debug mode.
+        *
+        * @param $user the user to access the data with
+        * @param $password the user's password
+        * @param $database_type the type of the database hosting the data
+        * @param $hostname the server hosting the database
+        * @param $port the port the server is listening on
+        * @param $database the name of the database
+        * @param $table the name of the table storing the data
+        */
+       function setPGTStorageDB($user,
+                                                        $password,
+                                                        $database_type='',
+                                                                $hostname='',
+                                                                        $port=0,
+                                                                                $database='',
+                                                                                        $table='')
+               {
+               global $PHPCAS_CLIENT,$PHPCAS_AUTH_CHECK_CALL;
+               
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( !$PHPCAS_CLIENT->isProxy() ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( $PHPCAS_AUTH_CHECK_CALL['done'] ) {
+                       phpCAS::error('this method should only be called before '.$PHPCAS_AUTH_CHECK_CALL['method'].'() (called at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].')');
+               }
+               if ( gettype($user) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $user (should be `string\')');
+               }
+               if ( gettype($password) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $password (should be `string\')');
+               }
+               if ( gettype($database_type) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $database_type (should be `string\')');
+               }
+               if ( gettype($hostname) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $hostname (should be `string\')');
+               }
+               if ( gettype($port) != 'integer' ) {
+                       phpCAS::error('type mismatched for parameter $port (should be `integer\')');
+               }
+               if ( gettype($database) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $database (should be `string\')');
+               }
+               if ( gettype($table) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $table (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setPGTStorageDB($this,$user,$password,$hostname,$port,$database,$table);
+               phpCAS::traceEnd();
+               }
+       
+       /** @} */
+       // ########################################################################
+       // ACCESS TO EXTERNAL SERVICES
+       // ########################################################################
+       /**
+        * @addtogroup publicServices
+        * @{
+        */
+       
+       /**
+        * This method is used to access an HTTP[S] service.
+        * 
+        * @param $url the service to access.
+        * @param $err_code an error code Possible values are PHPCAS_SERVICE_OK (on
+        * success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,
+        * PHPCAS_SERVICE_PT_FAILURE, PHPCAS_SERVICE_NOT AVAILABLE.
+        * @param $output the output of the service (also used to give an error
+        * message on failure).
+        *
+        * @return TRUE on success, FALSE otherwise (in this later case, $err_code
+        * gives the reason why it failed and $output contains an error message).
+        */
+       function serviceWeb($url,&$err_code,&$output)
+               {
+               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
+               
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( !$PHPCAS_CLIENT->isProxy() ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) {
+                       phpCAS::error('this method should only be called after the programmer is sure the user has been authenticated (by calling '.__CLASS__.'::checkAuthentication() or '.__CLASS__.'::forceAuthentication()');
+               }
+               if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) {
+                       phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE');
+               }
+               if ( gettype($url) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $url (should be `string\')');
+               }
+               
+               $res = $PHPCAS_CLIENT->serviceWeb($url,$err_code,$output);
+               
+               phpCAS::traceEnd($res);
+               return $res;
+               }
+       
+       /**
+        * This method is used to access an IMAP/POP3/NNTP service.
+        * 
+        * @param $url a string giving the URL of the service, including the mailing box
+        * for IMAP URLs, as accepted by imap_open().
+        * @param $flags options given to imap_open().
+        * @param $err_code an error code Possible values are PHPCAS_SERVICE_OK (on
+        * success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,
+        * PHPCAS_SERVICE_PT_FAILURE, PHPCAS_SERVICE_NOT AVAILABLE.
+        * @param $err_msg an error message on failure
+        * @param $pt the Proxy Ticket (PT) retrieved from the CAS server to access the URL
+        * on success, FALSE on error).
+        *
+        * @return an IMAP stream on success, FALSE otherwise (in this later case, $err_code
+        * gives the reason why it failed and $err_msg contains an error message).
+        */
+       function serviceMail($url,$flags,&$err_code,&$err_msg,&$pt)
+               {
+               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
+               
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( !$PHPCAS_CLIENT->isProxy() ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) {
+                       phpCAS::error('this method should only be called after the programmer is sure the user has been authenticated (by calling '.__CLASS__.'::checkAuthentication() or '.__CLASS__.'::forceAuthentication()');
+               }
+               if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) {
+                       phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE');
+               }
+               if ( gettype($url) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $url (should be `string\')');
+               }
+               
+               if ( gettype($flags) != 'integer' ) {
+                       phpCAS::error('type mismatched for parameter $flags (should be `integer\')');
+               }
+               
+               $res = $PHPCAS_CLIENT->serviceMail($url,$flags,$err_code,$err_msg,$pt);
+               
+               phpCAS::traceEnd($res);
+               return $res;
+               }
+       
+       /** @} */
+       // ########################################################################
+       //  AUTHENTICATION
+       // ########################################################################
+       /**
+        * @addtogroup publicAuth
+        * @{
+        */
+       
+       /**
+        * Set the times authentication will be cached before really accessing the CAS server in gateway mode: 
+        * - -1: check only once, and then never again (until you pree login)
+        * - 0: always check
+        * - n: check every "n" time
+        *
+        * @param $n an integer.
+        */
+       function setCacheTimesForAuthRecheck($n)
+               {
+               global $PHPCAS_CLIENT;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               if ( gettype($n) != 'integer' ) {
+                       phpCAS::error('type mismatched for parameter $header (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setCacheTimesForAuthRecheck($n);
+               }
+       
+       /**
+        * This method is called to check if the user is authenticated (use the gateway feature).
+        * @return TRUE when the user is authenticated; otherwise FALSE.
+        */
+       function checkAuthentication()
+               {
+               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
+               
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               
+               $auth = $PHPCAS_CLIENT->checkAuthentication();
+               
+               // store where the authentication has been checked and the result
+               $dbg = phpCAS::backtrace();
+               $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE,
+                       'file' => $dbg[0]['file'],
+                       'line' => $dbg[0]['line'],
+                       'method' => __CLASS__.'::'.__FUNCTION__,
+                       'result' => $auth );
+               phpCAS::traceEnd($auth);
+               return $auth; 
+               }
+       
+       /**
+        * This method is called to force authentication if the user was not already 
+        * authenticated. If the user is not authenticated, halt by redirecting to 
+        * the CAS server.
+        */
+       function forceAuthentication()
+               {
+               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
+               
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               
+               $auth = $PHPCAS_CLIENT->forceAuthentication();
+               
+               // store where the authentication has been checked and the result
+               $dbg = phpCAS::backtrace();
+               $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE,
+                       'file' => $dbg[0]['file'],
+                       'line' => $dbg[0]['line'],
+                       'method' => __CLASS__.'::'.__FUNCTION__,
+                       'result' => $auth );
+               
+               if ( !$auth ) {
+                       phpCAS::trace('user is not authenticated, redirecting to the CAS server');
+                       $PHPCAS_CLIENT->forceAuthentication();
+               } else {
+                       phpCAS::trace('no need to authenticate (user `'.phpCAS::getUser().'\' is already authenticated)');
+               }
+               
+               phpCAS::traceEnd();
+               return $auth; 
+               }
+       
+       /**
+        * This method is called to renew the authentication.
+        **/
+       function renewAuthentication() {
+               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
+               
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before'.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               
+               // store where the authentication has been checked and the result
+               $dbg = phpCAS::backtrace();
+               $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE, 'file' => $dbg[0]['file'], 'line' => $dbg[0]['line'], 'method' => __CLASS__.'::'.__FUNCTION__, 'result' => $auth );
+               
+               $PHPCAS_CLIENT->renewAuthentication();
+               phpCAS::traceEnd();
+       }
+
+       /**
+        * This method has been left from version 0.4.1 for compatibility reasons.
+        */
+       function authenticate()
+               {
+               phpCAS::error('this method is deprecated. You should use '.__CLASS__.'::forceAuthentication() instead');
+               }
+       
+       /**
+        * This method is called to check if the user is authenticated (previously or by
+        * tickets given in the URL).
+        *
+        * @return TRUE when the user is authenticated.
+        */
+       function isAuthenticated()
+               {
+               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
+               
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               
+               // call the isAuthenticated method of the global $PHPCAS_CLIENT object
+               $auth = $PHPCAS_CLIENT->isAuthenticated();
+               
+               // store where the authentication has been checked and the result
+               $dbg = phpCAS::backtrace();
+               $PHPCAS_AUTH_CHECK_CALL = array('done' => TRUE,
+                       'file' => $dbg[0]['file'],
+                       'line' => $dbg[0]['line'],
+                       'method' => __CLASS__.'::'.__FUNCTION__,
+                       'result' => $auth );
+               phpCAS::traceEnd($auth);
+               return $auth;
+               }
+       
+       /**
+        * Checks whether authenticated based on $_SESSION. Useful to avoid
+        * server calls.
+        * @return true if authenticated, false otherwise.
+        * @since 0.4.22 by Brendan Arnold
+        */
+       function isSessionAuthenticated ()
+               {
+               global $PHPCAS_CLIENT;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               return($PHPCAS_CLIENT->isSessionAuthenticated());
+               }
+       
+       /**
+        * This method returns the CAS user's login name.
+        * @warning should not be called only after phpCAS::forceAuthentication()
+        * or phpCAS::checkAuthentication().
+        *
+        * @return the login name of the authenticated user
+        */
+       function getUser()
+               {
+               global $PHPCAS_CLIENT, $PHPCAS_AUTH_CHECK_CALL;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               if ( !$PHPCAS_AUTH_CHECK_CALL['done'] ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::forceAuthentication() or '.__CLASS__.'::isAuthenticated()');
+               }
+               if ( !$PHPCAS_AUTH_CHECK_CALL['result'] ) {
+                       phpCAS::error('authentication was checked (by '.$PHPCAS_AUTH_CHECK_CALL['method'].'() at '.$PHPCAS_AUTH_CHECK_CALL['file'].':'.$PHPCAS_AUTH_CHECK_CALL['line'].') but the method returned FALSE');
+               }
+               return $PHPCAS_CLIENT->getUser();
+               }
+       
+    /**
+     * Handle logout requests.
+     */
+    function handleLogoutRequests($check_client=true, $allowed_clients=false)
+        {
+            global $PHPCAS_CLIENT;
+            if ( !is_object($PHPCAS_CLIENT) ) {
+                phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+            }
+            return($PHPCAS_CLIENT->handleLogoutRequests($check_client, $allowed_clients));
+        }
+   
+       /**
+        * This method returns the URL to be used to login.
+        * or phpCAS::isAuthenticated().
+        *
+        * @return the login name of the authenticated user
+        */
+       function getServerLoginURL()
+               {
+               global $PHPCAS_CLIENT;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               return $PHPCAS_CLIENT->getServerLoginURL();
+               }
+       
+       /**
+        * Set the login URL of the CAS server.
+        * @param $url the login URL
+        * @since 0.4.21 by Wyman Chan
+        */
+       function setServerLoginURL($url='')
+               {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after
+                               '.__CLASS__.'::client()');
+               }
+               if ( gettype($url) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $url (should be
+                       `string\')');
+               }
+               $PHPCAS_CLIENT->setServerLoginURL($url);
+               phpCAS::traceEnd();
+               }
+       
+       /**
+        * This method returns the URL to be used to login.
+        * or phpCAS::isAuthenticated().
+        *
+        * @return the login name of the authenticated user
+        */
+       function getServerLogoutURL()
+               {
+               global $PHPCAS_CLIENT;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should not be called before '.__CLASS__.'::client() or '.__CLASS__.'::proxy()');
+               }
+               return $PHPCAS_CLIENT->getServerLogoutURL();
+               }
+       
+       /**
+        * Set the logout URL of the CAS server.
+        * @param $url the logout URL
+        * @since 0.4.21 by Wyman Chan
+        */
+       function setServerLogoutURL($url='')
+               {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after
+                               '.__CLASS__.'::client()');
+               }
+               if ( gettype($url) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $url (should be
+                       `string\')');
+               }
+               $PHPCAS_CLIENT->setServerLogoutURL($url);
+               phpCAS::traceEnd();
+               }
+       
+       /**
+        * This method is used to logout from CAS.
+        * @params $params an array that contains the optional url and service parameters that will be passed to the CAS server
+        * @public
+        */
+       function logout($params = "") {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if (!is_object($PHPCAS_CLIENT)) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
+               }
+               $parsedParams = array();
+               if ($params != "") {
+                       if (is_string($params)) {
+                               phpCAS::error('method `phpCAS::logout($url)\' is now deprecated, use `phpCAS::logoutWithUrl($url)\' instead');
+                       }
+                       if (!is_array($params)) {
+                               phpCAS::error('type mismatched for parameter $params (should be `array\')');
+                       }
+                       foreach ($params as $key => $value) {
+                               if ($key != "service" && $key != "url") {
+                                       phpCAS::error('only `url\' and `service\' parameters are allowed for method `phpCAS::logout($params)\'');
+                               }
+                               $parsedParams[$key] = $value;
+                       }
+               }
+               $PHPCAS_CLIENT->logout($parsedParams);
+               // never reached
+               phpCAS::traceEnd();
+       }
+       
+       /**
+        * This method is used to logout from CAS. Halts by redirecting to the CAS server.
+        * @param $service a URL that will be transmitted to the CAS server
+        */
+       function logoutWithRedirectService($service) {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
+               }
+               if (!is_string($service)) {
+                       phpCAS::error('type mismatched for parameter $service (should be `string\')');
+               }
+               $PHPCAS_CLIENT->logout(array("service" => $service));
+               // never reached
+               phpCAS::traceEnd();
+       }
+       
+       /**
+        * This method is used to logout from CAS. Halts by redirecting to the CAS server.
+        * @param $url a URL that will be transmitted to the CAS server
+        */
+       function logoutWithUrl($url) {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
+               }
+               if (!is_string($url)) {
+                       phpCAS::error('type mismatched for parameter $url (should be `string\')');
+               }
+               $PHPCAS_CLIENT->logout(array("url" => $url));
+               // never reached
+               phpCAS::traceEnd();
+       }
+       
+       /**
+        * This method is used to logout from CAS. Halts by redirecting to the CAS server.
+        * @param $service a URL that will be transmitted to the CAS server
+        * @param $url a URL that will be transmitted to the CAS server
+        */
+       function logoutWithRedirectServiceAndUrl($service, $url) {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
+               }
+               if (!is_string($service)) {
+                       phpCAS::error('type mismatched for parameter $service (should be `string\')');
+               }
+               if (!is_string($url)) {
+                       phpCAS::error('type mismatched for parameter $url (should be `string\')');
+               }
+               $PHPCAS_CLIENT->logout(array("service" => $service, "url" => $url));
+               // never reached
+               phpCAS::traceEnd();
+       }
+       
+       /**
+        * Set the fixed URL that will be used by the CAS server to transmit the PGT.
+        * When this method is not called, a phpCAS script uses its own URL for the callback.
+        *
+        * @param $url the URL
+        */
+       function setFixedCallbackURL($url='')
+               {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( !$PHPCAS_CLIENT->isProxy() ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }
+               if ( gettype($url) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $url (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setCallbackURL($url);
+               phpCAS::traceEnd();
+               }
+       
+       /**
+        * Set the fixed URL that will be set as the CAS service parameter. When this
+        * method is not called, a phpCAS script uses its own URL.
+        *
+        * @param $url the URL
+        */
+       function setFixedServiceURL($url)
+               {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }  
+               if ( gettype($url) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $url (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setURL($url);
+               phpCAS::traceEnd();
+               }
+       
+       /**
+        * Get the URL that is set as the CAS service parameter.
+        */
+       function getServiceURL()
+               {
+               global $PHPCAS_CLIENT;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }  
+               return($PHPCAS_CLIENT->getURL());
+               }
+       
+       /**
+        * Retrieve a Proxy Ticket from the CAS server.
+        */
+       function retrievePT($target_service,&$err_code,&$err_msg)
+               {
+               global $PHPCAS_CLIENT;
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::proxy()');
+               }  
+               if ( gettype($target_service) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $target_service(should be `string\')');
+               }
+               return($PHPCAS_CLIENT->retrievePT($target_service,$err_code,$err_msg));
+               }
+       
+       /**
+        * Set the certificate of the CAS server.
+        *
+        * @param $cert the PEM certificate
+        */
+       function setCasServerCert($cert)
+               {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
+               }  
+               if ( gettype($cert) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $cert (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setCasServerCert($cert);
+               phpCAS::traceEnd();
+               }
+       
+       /**
+        * Set the certificate of the CAS server CA.
+        *
+        * @param $cert the CA certificate
+        */
+       function setCasServerCACert($cert)
+               {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
+               }  
+               if ( gettype($cert) != 'string' ) {
+                       phpCAS::error('type mismatched for parameter $cert (should be `string\')');
+               }
+               $PHPCAS_CLIENT->setCasServerCACert($cert);
+               phpCAS::traceEnd();
+               }
+       
+       /**
+        * Set no SSL validation for the CAS server.
+        */
+       function setNoCasServerValidation()
+               {
+               global $PHPCAS_CLIENT;
+               phpCAS::traceBegin();
+               if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
+               }  
+               $PHPCAS_CLIENT->setNoCasServerValidation();
+               phpCAS::traceEnd();
+               }
+       
+       /** @} */
+       
+  /**
+   * Change CURL options.
+   * CURL is used to connect through HTTPS to CAS server
+   * @param $key the option key
+   * @param $value the value to set
+   */
+   function setExtraCurlOption($key, $value)
+               {
+                 global $PHPCAS_CLIENT;
+                 phpCAS::traceBegin();
+                 if ( !is_object($PHPCAS_CLIENT) ) {
+                       phpCAS::error('this method should only be called after '.__CLASS__.'::client() or'.__CLASS__.'::proxy()');
+                 }  
+                 $PHPCAS_CLIENT->setExtraCurlOption($key, $value);
+                 phpCAS::traceEnd();
+               }
+
+}
+
+// ########################################################################
+// DOCUMENTATION
+// ########################################################################
+
+// ########################################################################
+//  MAIN PAGE
+
+/**
+ * @mainpage
+ *
+ * The following pages only show the source documentation.
+ *
+ */
+
+// ########################################################################
+//  MODULES DEFINITION
+
+/** @defgroup public User interface */
+
+/** @defgroup publicInit Initialization
+ *  @ingroup public */
+
+/** @defgroup publicAuth Authentication
+ *  @ingroup public */
+
+/** @defgroup publicServices Access to external services
+ *  @ingroup public */
+
+/** @defgroup publicConfig Configuration
+ *  @ingroup public */
+
+/** @defgroup publicLang Internationalization
+ *  @ingroup publicConfig */
+
+/** @defgroup publicOutput HTML output
+ *  @ingroup publicConfig */
+
+/** @defgroup publicPGTStorage PGT storage
+ *  @ingroup publicConfig */
+
+/** @defgroup publicDebug Debugging
+ *  @ingroup public */
+
+
+/** @defgroup internal Implementation */
+
+/** @defgroup internalAuthentication Authentication
+ *  @ingroup internal */
+
+/** @defgroup internalBasic CAS Basic client features (CAS 1.0, Service Tickets)
+ *  @ingroup internal */
+
+/** @defgroup internalProxy CAS Proxy features (CAS 2.0, Proxy Granting Tickets)
+ *  @ingroup internal */
+
+/** @defgroup internalPGTStorage PGT storage
+ *  @ingroup internalProxy */
+
+/** @defgroup internalPGTStorageDB PGT storage in a database
+ *  @ingroup internalPGTStorage */
+
+/** @defgroup internalPGTStorageFile PGT storage on the filesystem
+ *  @ingroup internalPGTStorage */
+
+/** @defgroup internalCallback Callback from the CAS server
+ *  @ingroup internalProxy */
+
+/** @defgroup internalProxied CAS proxied client features (CAS 2.0, Proxy Tickets)
+ *  @ingroup internal */
+
+/** @defgroup internalConfig Configuration
+ *  @ingroup internal */
+
+/** @defgroup internalOutput HTML output
+ *  @ingroup internalConfig */
+
+/** @defgroup internalLang Internationalization
+ *  @ingroup internalConfig
+ *
+ * To add a new language:
+ * - 1. define a new constant PHPCAS_LANG_XXXXXX in CAS/CAS.php
+ * - 2. copy any file from CAS/languages to CAS/languages/XXXXXX.php
+ * - 3. Make the translations
+ */
+
+/** @defgroup internalDebug Debugging
+ *  @ingroup internal */
+
+/** @defgroup internalMisc Miscellaneous
+ *  @ingroup internal */
+
+// ########################################################################
+//  EXAMPLES
+
+/**
+ * @example example_simple.php
+ */
+ /**
+  * @example example_proxy.php
+  */
+  /**
+   * @example example_proxy2.php
+   */
+   /**
+    * @example example_lang.php
+    */
+    /**
+     * @example example_html.php
+     */
+     /**
+      * @example example_file.php
+      */
+      /**
+       * @example example_db.php
+       */
+       /**
+        * @example example_service.php
+        */
+        /**
+         * @example example_session_proxy.php
+         */
+         /**
+          * @example example_session_service.php
+          */
+          /**
+           * @example example_gateway.php
+           */
+
+
+
+?>
index 5a589e4b2822bf405bdfcdc0a31194ec5c068cb0..00797b9c5673598d672f156ac4cd64ce0c405bc2 100644 (file)
-<?php\r
-\r
-/**\r
- * @file CAS/PGTStorage/pgt-db.php\r
- * Basic class for PGT database storage\r
- */\r
-\r
-/**\r
- * @class PGTStorageDB\r
- * The PGTStorageDB class is a class for PGT database storage. An instance of \r
- * this class is returned by CASClient::SetPGTStorageDB().\r
- *\r
- * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>\r
- *\r
- * @ingroup internalPGTStorageDB\r
- */\r
-\r
-class PGTStorageDB extends PGTStorage\r
-{\r
-  /** \r
-   * @addtogroup internalPGTStorageDB\r
-   * @{ \r
-   */\r
-\r
-  /**\r
-   * a string representing a PEAR DB URL to connect to the database. Written by\r
-   * PGTStorageDB::PGTStorageDB(), read by getURL().\r
-   *\r
-   * @hideinitializer\r
-   * @private\r
-   */\r
-  var $_url='';\r
-\r
-  /**\r
-   * This method returns the PEAR DB URL to use to connect to the database.\r
-   *\r
-   * @return a PEAR DB URL\r
-   *\r
-   * @private\r
-   */\r
-  function getURL()\r
-    {\r
-      return $this->_url;\r
-    }\r
-\r
-  /**\r
-   * The handle of the connection to the database where PGT's are stored. Written by\r
-   * PGTStorageDB::init(), read by getLink().\r
-   *\r
-   * @hideinitializer\r
-   * @private\r
-   */\r
-  var $_link = null;\r
-\r
-  /**\r
-   * This method returns the handle of the connection to the database where PGT's are \r
-   * stored.\r
-   *\r
-   * @return a handle of connection.\r
-   *\r
-   * @private\r
-   */\r
-  function getLink()\r
-    {\r
-      return $this->_link;\r
-    }\r
-\r
-  /**\r
-   * The name of the table where PGT's are stored. Written by \r
-   * PGTStorageDB::PGTStorageDB(), read by getTable().\r
-   *\r
-   * @hideinitializer\r
-   * @private\r
-   */\r
-  var $_table = '';\r
-\r
-  /**\r
-   * This method returns the name of the table where PGT's are stored.\r
-   *\r
-   * @return the name of a table.\r
-   *\r
-   * @private\r
-   */\r
-  function getTable()\r
-    {\r
-      return $this->_table;\r
-    }\r
-\r
-  // ########################################################################\r
-  //  DEBUGGING\r
-  // ########################################################################\r
-  \r
-  /**\r
-   * This method returns an informational string giving the type of storage\r
-   * used by the object (used for debugging purposes).\r
-   *\r
-   * @return an informational string.\r
-   * @public\r
-   */\r
-  function getStorageType()\r
-    {\r
-      return "database";\r
-    }\r
-\r
-  /**\r
-   * This method returns an informational string giving informations on the\r
-   * parameters of the storage.(used for debugging purposes).\r
-   *\r
-   * @public\r
-   */\r
-  function getStorageInfo()\r
-    {\r
-      return 'url=`'.$this->getURL().'\', table=`'.$this->getTable().'\'';\r
-    }\r
-\r
-  // ########################################################################\r
-  //  CONSTRUCTOR\r
-  // ########################################################################\r
-  \r
-  /**\r
-   * The class constructor, called by CASClient::SetPGTStorageDB().\r
-   *\r
-   * @param $cas_parent the CASClient instance that creates the object.\r
-   * @param $user the user to access the data with\r
-   * @param $password the user's password\r
-   * @param $database_type the type of the database hosting the data\r
-   * @param $hostname the server hosting the database\r
-   * @param $port the port the server is listening on\r
-   * @param $database the name of the database\r
-   * @param $table the name of the table storing the data\r
-   *\r
-   * @public\r
-   */\r
-  function PGTStorageDB($cas_parent,$user,$password,$database_type,$hostname,$port,$database,$table)\r
-    {\r
-      phpCAS::traceBegin();\r
-\r
-      // call the ancestor's constructor\r
-      $this->PGTStorage($cas_parent);\r
-\r
-      if ( empty($database_type) ) $database_type = CAS_PGT_STORAGE_DB_DEFAULT_DATABASE_TYPE;\r
-      if ( empty($hostname) ) $hostname = CAS_PGT_STORAGE_DB_DEFAULT_HOSTNAME;\r
-      if ( $port==0 ) $port = CAS_PGT_STORAGE_DB_DEFAULT_PORT;\r
-      if ( empty($database) ) $database = CAS_PGT_STORAGE_DB_DEFAULT_DATABASE;\r
-      if ( empty($table) ) $table = CAS_PGT_STORAGE_DB_DEFAULT_TABLE;\r
-\r
-      // build and store the PEAR DB URL\r
-      $this->_url = $database_type.':'.'//'.$user.':'.$password.'@'.$hostname.':'.$port.'/'.$database;\r
-\r
-      // XXX should use setURL and setTable\r
-      phpCAS::traceEnd();\r
-    }\r
-  \r
-  // ########################################################################\r
-  //  INITIALIZATION\r
-  // ########################################################################\r
-  \r
-  /**\r
-   * This method is used to initialize the storage. Halts on error.\r
-   *\r
-   * @public\r
-   */\r
-  function init()\r
-    {\r
-      phpCAS::traceBegin();\r
-      // if the storage has already been initialized, return immediatly\r
-      if ( $this->isInitialized() )\r
-               return;\r
-      // call the ancestor's method (mark as initialized)\r
-      parent::init();\r
-      \r
-         //include phpDB library (the test was introduced in release 0.4.8 for \r
-         //the integration into Tikiwiki).\r
-         if (!class_exists('DB')) {\r
-               include_once('DB.php');\r
-         }\r
-\r
-      // try to connect to the database\r
-      $this->_link = DB::connect($this->getURL());\r
-      if ( DB::isError($this->_link) ) {\r
-       phpCAS::error('could not connect to database ('.DB::errorMessage($this->_link).')');\r
-      }\r
-      var_dump($this->_link);\r
-      phpCAS::traceBEnd();\r
-    }\r
-\r
-  /** @} */\r
-}\r
-\r
+<?php
+
+/**
+ * @file CAS/PGTStorage/pgt-db.php
+ * Basic class for PGT database storage
+ */
+
+/**
+ * @class PGTStorageDB
+ * The PGTStorageDB class is a class for PGT database storage. An instance of 
+ * this class is returned by CASClient::SetPGTStorageDB().
+ *
+ * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>
+ *
+ * @ingroup internalPGTStorageDB
+ */
+
+class PGTStorageDB extends PGTStorage
+{
+  /** 
+   * @addtogroup internalPGTStorageDB
+   * @{ 
+   */
+
+  /**
+   * a string representing a PEAR DB URL to connect to the database. Written by
+   * PGTStorageDB::PGTStorageDB(), read by getURL().
+   *
+   * @hideinitializer
+   * @private
+   */
+  var $_url='';
+
+  /**
+   * This method returns the PEAR DB URL to use to connect to the database.
+   *
+   * @return a PEAR DB URL
+   *
+   * @private
+   */
+  function getURL()
+    {
+      return $this->_url;
+    }
+
+  /**
+   * The handle of the connection to the database where PGT's are stored. Written by
+   * PGTStorageDB::init(), read by getLink().
+   *
+   * @hideinitializer
+   * @private
+   */
+  var $_link = null;
+
+  /**
+   * This method returns the handle of the connection to the database where PGT's are 
+   * stored.
+   *
+   * @return a handle of connection.
+   *
+   * @private
+   */
+  function getLink()
+    {
+      return $this->_link;
+    }
+
+  /**
+   * The name of the table where PGT's are stored. Written by 
+   * PGTStorageDB::PGTStorageDB(), read by getTable().
+   *
+   * @hideinitializer
+   * @private
+   */
+  var $_table = '';
+
+  /**
+   * This method returns the name of the table where PGT's are stored.
+   *
+   * @return the name of a table.
+   *
+   * @private
+   */
+  function getTable()
+    {
+      return $this->_table;
+    }
+
+  // ########################################################################
+  //  DEBUGGING
+  // ########################################################################
+  
+  /**
+   * This method returns an informational string giving the type of storage
+   * used by the object (used for debugging purposes).
+   *
+   * @return an informational string.
+   * @public
+   */
+  function getStorageType()
+    {
+      return "database";
+    }
+
+  /**
+   * This method returns an informational string giving informations on the
+   * parameters of the storage.(used for debugging purposes).
+   *
+   * @public
+   */
+  function getStorageInfo()
+    {
+      return 'url=`'.$this->getURL().'\', table=`'.$this->getTable().'\'';
+    }
+
+  // ########################################################################
+  //  CONSTRUCTOR
+  // ########################################################################
+  
+  /**
+   * The class constructor, called by CASClient::SetPGTStorageDB().
+   *
+   * @param $cas_parent the CASClient instance that creates the object.
+   * @param $user the user to access the data with
+   * @param $password the user's password
+   * @param $database_type the type of the database hosting the data
+   * @param $hostname the server hosting the database
+   * @param $port the port the server is listening on
+   * @param $database the name of the database
+   * @param $table the name of the table storing the data
+   *
+   * @public
+   */
+  function PGTStorageDB($cas_parent,$user,$password,$database_type,$hostname,$port,$database,$table)
+    {
+      phpCAS::traceBegin();
+
+      // call the ancestor's constructor
+      $this->PGTStorage($cas_parent);
+
+      if ( empty($database_type) ) $database_type = CAS_PGT_STORAGE_DB_DEFAULT_DATABASE_TYPE;
+      if ( empty($hostname) ) $hostname = CAS_PGT_STORAGE_DB_DEFAULT_HOSTNAME;
+      if ( $port==0 ) $port = CAS_PGT_STORAGE_DB_DEFAULT_PORT;
+      if ( empty($database) ) $database = CAS_PGT_STORAGE_DB_DEFAULT_DATABASE;
+      if ( empty($table) ) $table = CAS_PGT_STORAGE_DB_DEFAULT_TABLE;
+
+      // build and store the PEAR DB URL
+      $this->_url = $database_type.':'.'//'.$user.':'.$password.'@'.$hostname.':'.$port.'/'.$database;
+
+      // XXX should use setURL and setTable
+      phpCAS::traceEnd();
+    }
+  
+  // ########################################################################
+  //  INITIALIZATION
+  // ########################################################################
+  
+  /**
+   * This method is used to initialize the storage. Halts on error.
+   *
+   * @public
+   */
+  function init()
+    {
+      phpCAS::traceBegin();
+      // if the storage has already been initialized, return immediatly
+      if ( $this->isInitialized() )
+               return;
+      // call the ancestor's method (mark as initialized)
+      parent::init();
+      
+         //include phpDB library (the test was introduced in release 0.4.8 for 
+         //the integration into Tikiwiki).
+         if (!class_exists('DB')) {
+               include_once('DB.php');
+         }
+
+      // try to connect to the database
+      $this->_link = DB::connect($this->getURL());
+      if ( DB::isError($this->_link) ) {
+       phpCAS::error('could not connect to database ('.DB::errorMessage($this->_link).')');
+      }
+      var_dump($this->_link);
+      phpCAS::traceBEnd();
+    }
+
+  /** @} */
+}
+
 ?>
\ No newline at end of file
index bc07485b8f8831a870c3bd6e986f3a2f88298c26..d48a60d670af1e8b4ce1206763806330fc891903 100644 (file)
-<?php\r
-\r
-/**\r
- * @file CAS/PGTStorage/pgt-file.php\r
- * Basic class for PGT file storage\r
- */\r
-\r
-/**\r
- * @class PGTStorageFile\r
- * The PGTStorageFile class is a class for PGT file storage. An instance of \r
- * this class is returned by CASClient::SetPGTStorageFile().\r
- *\r
- * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>\r
- *\r
- * @ingroup internalPGTStorageFile\r
- */\r
-\r
-class PGTStorageFile extends PGTStorage\r
-{\r
-  /** \r
-   * @addtogroup internalPGTStorageFile \r
-   * @{ \r
-   */\r
-\r
-  /**\r
-   * a string telling where PGT's should be stored on the filesystem. Written by\r
-   * PGTStorageFile::PGTStorageFile(), read by getPath().\r
-   *\r
-   * @private\r
-   */\r
-  var $_path;\r
-\r
-  /**\r
-   * This method returns the name of the directory where PGT's should be stored \r
-   * on the filesystem.\r
-   *\r
-   * @return the name of a directory (with leading and trailing '/')\r
-   *\r
-   * @private\r
-   */\r
-  function getPath()\r
-    {\r
-      return $this->_path;\r
-    }\r
-\r
-  /**\r
-   * a string telling the format to use to store PGT's (plain or xml). Written by\r
-   * PGTStorageFile::PGTStorageFile(), read by getFormat().\r
-   *\r
-   * @private\r
-   */\r
-  var $_format;\r
-\r
-  /**\r
-   * This method returns the format to use when storing PGT's on the filesystem.\r
-   *\r
-   * @return a string corresponding to the format used (plain or xml).\r
-   *\r
-   * @private\r
-   */\r
-  function getFormat()\r
-    {\r
-      return $this->_format;\r
-    }\r
-\r
-  // ########################################################################\r
-  //  DEBUGGING\r
-  // ########################################################################\r
-  \r
-  /**\r
-   * This method returns an informational string giving the type of storage\r
-   * used by the object (used for debugging purposes).\r
-   *\r
-   * @return an informational string.\r
-   * @public\r
-   */\r
-  function getStorageType()\r
-    {\r
-      return "file";\r
-    }\r
-\r
-  /**\r
-   * This method returns an informational string giving informations on the\r
-   * parameters of the storage.(used for debugging purposes).\r
-   *\r
-   * @return an informational string.\r
-   * @public\r
-   */\r
-  function getStorageInfo()\r
-    {\r
-      return 'path=`'.$this->getPath().'\', format=`'.$this->getFormat().'\'';\r
-    }\r
-\r
-  // ########################################################################\r
-  //  CONSTRUCTOR\r
-  // ########################################################################\r
-  \r
-  /**\r
-   * The class constructor, called by CASClient::SetPGTStorageFile().\r
-   *\r
-   * @param $cas_parent the CASClient instance that creates the object.\r
-   * @param $format the format used to store the PGT's (`plain' and `xml' allowed).\r
-   * @param $path the path where the PGT's should be stored\r
-   *\r
-   * @public\r
-   */\r
-  function PGTStorageFile($cas_parent,$format,$path)\r
-    {\r
-      phpCAS::traceBegin();\r
-      // call the ancestor's constructor\r
-      $this->PGTStorage($cas_parent);\r
-\r
-      if (empty($format) ) $format = CAS_PGT_STORAGE_FILE_DEFAULT_FORMAT;\r
-      if (empty($path) ) $path = CAS_PGT_STORAGE_FILE_DEFAULT_PATH;\r
-\r
-      // check that the path is an absolute path\r
-      if (getenv("OS")=="Windows_NT"){\r
-       \r
-        if (!preg_match('`^[a-zA-Z]:`', $path)) {\r
-               phpCAS::error('an absolute path is needed for PGT storage to file');\r
-       }\r
-       \r
-      }\r
-      else\r
-      {\r
-      \r
-       if ( $path[0] != '/' ) {\r
-                       phpCAS::error('an absolute path is needed for PGT storage to file');\r
-       }\r
-\r
-       // store the path (with a leading and trailing '/')      \r
-       $path = preg_replace('|[/]*$|','/',$path);\r
-       $path = preg_replace('|^[/]*|','/',$path);\r
-      }\r
-      \r
-      $this->_path = $path;\r
-      // check the format and store it\r
-      switch ($format) {\r
-      case CAS_PGT_STORAGE_FILE_FORMAT_PLAIN:\r
-      case CAS_PGT_STORAGE_FILE_FORMAT_XML:\r
-       $this->_format = $format;\r
-       break;\r
-      default:\r
-       phpCAS::error('unknown PGT file storage format (`'.CAS_PGT_STORAGE_FILE_FORMAT_PLAIN.'\' and `'.CAS_PGT_STORAGE_FILE_FORMAT_XML.'\' allowed)');\r
-      }\r
-      phpCAS::traceEnd();      \r
-    }\r
-\r
-  // ########################################################################\r
-  //  INITIALIZATION\r
-  // ########################################################################\r
-  \r
-  /**\r
-   * This method is used to initialize the storage. Halts on error.\r
-   *\r
-   * @public\r
-   */\r
-  function init()\r
-    {\r
-      phpCAS::traceBegin();\r
-      // if the storage has already been initialized, return immediatly\r
-      if ( $this->isInitialized() )\r
-       return;\r
-      // call the ancestor's method (mark as initialized)\r
-      parent::init();\r
-      phpCAS::traceEnd();      \r
-    }\r
-\r
-  // ########################################################################\r
-  //  PGT I/O\r
-  // ########################################################################\r
-\r
-  /**\r
-   * This method returns the filename corresponding to a PGT Iou.\r
-   *\r
-   * @param $pgt_iou the PGT iou.\r
-   *\r
-   * @return a filename\r
-   * @private\r
-   */\r
-  function getPGTIouFilename($pgt_iou)\r
-    {\r
-      phpCAS::traceBegin();\r
-      $filename = $this->getPath().$pgt_iou.'.'.$this->getFormat();\r
-      phpCAS::traceEnd($filename);\r
-      return $filename;\r
-    }\r
-  \r
-  /**\r
-   * This method stores a PGT and its corresponding PGT Iou into a file. Echoes a\r
-   * warning on error.\r
-   *\r
-   * @param $pgt the PGT\r
-   * @param $pgt_iou the PGT iou\r
-   *\r
-   * @public\r
-   */\r
-  function write($pgt,$pgt_iou)\r
-    {\r
-      phpCAS::traceBegin();\r
-      $fname = $this->getPGTIouFilename($pgt_iou);\r
-      if ( $f=fopen($fname,"w") ) {\r
-       if ( fputs($f,$pgt) === FALSE ) {\r
-         phpCAS::error('could not write PGT to `'.$fname.'\'');\r
-       }\r
-       fclose($f);\r
-      } else {\r
-       phpCAS::error('could not open `'.$fname.'\'');\r
-      }\r
-      phpCAS::traceEnd();      \r
-    }\r
-\r
-  /**\r
-   * This method reads a PGT corresponding to a PGT Iou and deletes the \r
-   * corresponding file.\r
-   *\r
-   * @param $pgt_iou the PGT iou\r
-   *\r
-   * @return the corresponding PGT, or FALSE on error\r
-   *\r
-   * @public\r
-   */\r
-  function read($pgt_iou)\r
-    {\r
-      phpCAS::traceBegin();\r
-      $pgt = FALSE;\r
-      $fname = $this->getPGTIouFilename($pgt_iou);\r
-      if ( !($f=fopen($fname,"r")) ) {\r
-       phpCAS::trace('could not open `'.$fname.'\'');\r
-      } else {\r
-       if ( ($pgt=fgets($f)) === FALSE ) {\r
-         phpCAS::trace('could not read PGT from `'.$fname.'\'');\r
-       } \r
-       fclose($f);\r
-      }\r
-\r
-      // delete the PGT file\r
-      @unlink($fname);\r
-\r
-      phpCAS::traceEnd($pgt);\r
-      return $pgt;\r
-    }\r
-  \r
-  /** @} */\r
-  \r
-}\r
-\r
-  \r
+<?php
+
+/**
+ * @file CAS/PGTStorage/pgt-file.php
+ * Basic class for PGT file storage
+ */
+
+/**
+ * @class PGTStorageFile
+ * The PGTStorageFile class is a class for PGT file storage. An instance of 
+ * this class is returned by CASClient::SetPGTStorageFile().
+ *
+ * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>
+ *
+ * @ingroup internalPGTStorageFile
+ */
+
+class PGTStorageFile extends PGTStorage
+{
+  /** 
+   * @addtogroup internalPGTStorageFile 
+   * @{ 
+   */
+
+  /**
+   * a string telling where PGT's should be stored on the filesystem. Written by
+   * PGTStorageFile::PGTStorageFile(), read by getPath().
+   *
+   * @private
+   */
+  var $_path;
+
+  /**
+   * This method returns the name of the directory where PGT's should be stored 
+   * on the filesystem.
+   *
+   * @return the name of a directory (with leading and trailing '/')
+   *
+   * @private
+   */
+  function getPath()
+    {
+      return $this->_path;
+    }
+
+  /**
+   * a string telling the format to use to store PGT's (plain or xml). Written by
+   * PGTStorageFile::PGTStorageFile(), read by getFormat().
+   *
+   * @private
+   */
+  var $_format;
+
+  /**
+   * This method returns the format to use when storing PGT's on the filesystem.
+   *
+   * @return a string corresponding to the format used (plain or xml).
+   *
+   * @private
+   */
+  function getFormat()
+    {
+      return $this->_format;
+    }
+
+  // ########################################################################
+  //  DEBUGGING
+  // ########################################################################
+  
+  /**
+   * This method returns an informational string giving the type of storage
+   * used by the object (used for debugging purposes).
+   *
+   * @return an informational string.
+   * @public
+   */
+  function getStorageType()
+    {
+      return "file";
+    }
+
+  /**
+   * This method returns an informational string giving informations on the
+   * parameters of the storage.(used for debugging purposes).
+   *
+   * @return an informational string.
+   * @public
+   */
+  function getStorageInfo()
+    {
+      return 'path=`'.$this->getPath().'\', format=`'.$this->getFormat().'\'';
+    }
+
+  // ########################################################################
+  //  CONSTRUCTOR
+  // ########################################################################
+  
+  /**
+   * The class constructor, called by CASClient::SetPGTStorageFile().
+   *
+   * @param $cas_parent the CASClient instance that creates the object.
+   * @param $format the format used to store the PGT's (`plain' and `xml' allowed).
+   * @param $path the path where the PGT's should be stored
+   *
+   * @public
+   */
+  function PGTStorageFile($cas_parent,$format,$path)
+    {
+      phpCAS::traceBegin();
+      // call the ancestor's constructor
+      $this->PGTStorage($cas_parent);
+
+      if (empty($format) ) $format = CAS_PGT_STORAGE_FILE_DEFAULT_FORMAT;
+      if (empty($path) ) $path = CAS_PGT_STORAGE_FILE_DEFAULT_PATH;
+
+      // check that the path is an absolute path
+      if (getenv("OS")=="Windows_NT"){
+       
+        if (!preg_match('`^[a-zA-Z]:`', $path)) {
+               phpCAS::error('an absolute path is needed for PGT storage to file');
+       }
+       
+      }
+      else
+      {
+      
+       if ( $path[0] != '/' ) {
+                       phpCAS::error('an absolute path is needed for PGT storage to file');
+       }
+
+       // store the path (with a leading and trailing '/')      
+       $path = preg_replace('|[/]*$|','/',$path);
+       $path = preg_replace('|^[/]*|','/',$path);
+      }
+      
+      $this->_path = $path;
+      // check the format and store it
+      switch ($format) {
+      case CAS_PGT_STORAGE_FILE_FORMAT_PLAIN:
+      case CAS_PGT_STORAGE_FILE_FORMAT_XML:
+       $this->_format = $format;
+       break;
+      default:
+       phpCAS::error('unknown PGT file storage format (`'.CAS_PGT_STORAGE_FILE_FORMAT_PLAIN.'\' and `'.CAS_PGT_STORAGE_FILE_FORMAT_XML.'\' allowed)');
+      }
+      phpCAS::traceEnd();      
+    }
+
+  // ########################################################################
+  //  INITIALIZATION
+  // ########################################################################
+  
+  /**
+   * This method is used to initialize the storage. Halts on error.
+   *
+   * @public
+   */
+  function init()
+    {
+      phpCAS::traceBegin();
+      // if the storage has already been initialized, return immediatly
+      if ( $this->isInitialized() )
+       return;
+      // call the ancestor's method (mark as initialized)
+      parent::init();
+      phpCAS::traceEnd();      
+    }
+
+  // ########################################################################
+  //  PGT I/O
+  // ########################################################################
+
+  /**
+   * This method returns the filename corresponding to a PGT Iou.
+   *
+   * @param $pgt_iou the PGT iou.
+   *
+   * @return a filename
+   * @private
+   */
+  function getPGTIouFilename($pgt_iou)
+    {
+      phpCAS::traceBegin();
+      $filename = $this->getPath().$pgt_iou.'.'.$this->getFormat();
+      phpCAS::traceEnd($filename);
+      return $filename;
+    }
+  
+  /**
+   * This method stores a PGT and its corresponding PGT Iou into a file. Echoes a
+   * warning on error.
+   *
+   * @param $pgt the PGT
+   * @param $pgt_iou the PGT iou
+   *
+   * @public
+   */
+  function write($pgt,$pgt_iou)
+    {
+      phpCAS::traceBegin();
+      $fname = $this->getPGTIouFilename($pgt_iou);
+      if ( $f=fopen($fname,"w") ) {
+       if ( fputs($f,$pgt) === FALSE ) {
+         phpCAS::error('could not write PGT to `'.$fname.'\'');
+       }
+       fclose($f);
+      } else {
+       phpCAS::error('could not open `'.$fname.'\'');
+      }
+      phpCAS::traceEnd();      
+    }
+
+  /**
+   * This method reads a PGT corresponding to a PGT Iou and deletes the 
+   * corresponding file.
+   *
+   * @param $pgt_iou the PGT iou
+   *
+   * @return the corresponding PGT, or FALSE on error
+   *
+   * @public
+   */
+  function read($pgt_iou)
+    {
+      phpCAS::traceBegin();
+      $pgt = FALSE;
+      $fname = $this->getPGTIouFilename($pgt_iou);
+      if ( !($f=fopen($fname,"r")) ) {
+       phpCAS::trace('could not open `'.$fname.'\'');
+      } else {
+       if ( ($pgt=fgets($f)) === FALSE ) {
+         phpCAS::trace('could not read PGT from `'.$fname.'\'');
+       } 
+       fclose($f);
+      }
+
+      // delete the PGT file
+      @unlink($fname);
+
+      phpCAS::traceEnd($pgt);
+      return $pgt;
+    }
+  
+  /** @} */
+  
+}
+
+  
 ?>
\ No newline at end of file
index cd9b499671a97448a93b6db3544caab7415a0b83..8fd3c9e12ba1577176e4ea7535c1e4789e9ff172 100644 (file)
-<?php\r
-\r
-/**\r
- * @file CAS/PGTStorage/pgt-main.php\r
- * Basic class for PGT storage\r
- */\r
-\r
-/**\r
- * @class PGTStorage\r
- * The PGTStorage class is a generic class for PGT storage. This class should\r
- * not be instanciated itself but inherited by specific PGT storage classes.\r
- *\r
- * @author   Pascal Aubry <pascal.aubry at univ-rennes1.fr>\r
- *\r
- * @ingroup internalPGTStorage\r
- */\r
-\r
-class PGTStorage\r
-{\r
-  /** \r
-   * @addtogroup internalPGTStorage\r
-   * @{ \r
-   */\r
-\r
-  // ########################################################################\r
-  //  CONSTRUCTOR\r
-  // ########################################################################\r
-  \r
-  /**\r
-   * The constructor of the class, should be called only by inherited classes.\r
-   *\r
-   * @param $cas_parent the CASclient instance that creates the current object.\r
-   *\r
-   * @protected\r
-   */\r
-  function PGTStorage($cas_parent)\r
-    {\r
-      phpCAS::traceBegin();\r
-      if ( !$cas_parent->isProxy() ) {\r
-       phpCAS::error('defining PGT storage makes no sense when not using a CAS proxy'); \r
-      }\r
-      phpCAS::traceEnd();\r
-    }\r
-\r
-  // ########################################################################\r
-  //  DEBUGGING\r
-  // ########################################################################\r
-  \r
-  /**\r
-   * This virtual method returns an informational string giving the type of storage\r
-   * used by the object (used for debugging purposes).\r
-   *\r
-   * @public\r
-   */\r
-  function getStorageType()\r
-    {\r
-      phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called'); \r
-    }\r
-\r
-  /**\r
-   * This virtual method returns an informational string giving informations on the\r
-   * parameters of the storage.(used for debugging purposes).\r
-   *\r
-   * @public\r
-   */\r
-  function getStorageInfo()\r
-    {\r
-      phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called'); \r
-    }\r
-\r
-  // ########################################################################\r
-  //  ERROR HANDLING\r
-  // ########################################################################\r
-  \r
-  /**\r
-   * string used to store an error message. Written by PGTStorage::setErrorMessage(),\r
-   * read by PGTStorage::getErrorMessage().\r
-   *\r
-   * @hideinitializer\r
-   * @private\r
-   * @deprecated not used.\r
-   */\r
-  var $_error_message=FALSE;\r
-\r
-  /**\r
-   * This method sets en error message, which can be read later by \r
-   * PGTStorage::getErrorMessage().\r
-   *\r
-   * @param $error_message an error message\r
-   *\r
-   * @protected\r
-   * @deprecated not used.\r
-   */\r
-  function setErrorMessage($error_message)\r
-    {\r
-      $this->_error_message = $error_message;\r
-    }\r
-\r
-  /**\r
-   * This method returns an error message set by PGTStorage::setErrorMessage().\r
-   *\r
-   * @return an error message when set by PGTStorage::setErrorMessage(), FALSE\r
-   * otherwise.\r
-   *\r
-   * @public\r
-   * @deprecated not used.\r
-   */\r
-  function getErrorMessage()\r
-    {\r
-      return $this->_error_message;\r
-    }\r
-\r
-  // ########################################################################\r
-  //  INITIALIZATION\r
-  // ########################################################################\r
-\r
-  /**\r
-   * a boolean telling if the storage has already been initialized. Written by \r
-   * PGTStorage::init(), read by PGTStorage::isInitialized().\r
-   *\r
-   * @hideinitializer\r
-   * @private\r
-   */\r
-  var $_initialized = FALSE;\r
-\r
-  /**\r
-   * This method tells if the storage has already been intialized.\r
-   *\r
-   * @return a boolean\r
-   *\r
-   * @protected\r
-   */\r
-  function isInitialized()\r
-    {\r
-      return $this->_initialized;\r
-    }\r
-\r
-  /**\r
-   * This virtual method initializes the object.\r
-   *\r
-   * @protected\r
-   */\r
-  function init()\r
-    {\r
-      $this->_initialized = TRUE;\r
-    }\r
-\r
-  // ########################################################################\r
-  //  PGT I/O\r
-  // ########################################################################\r
-\r
-  /**\r
-   * This virtual method stores a PGT and its corresponding PGT Iuo.\r
-   * @note Should never be called.\r
-   *\r
-   * @param $pgt the PGT\r
-   * @param $pgt_iou the PGT iou\r
-   *\r
-   * @protected\r
-   */\r
-  function write($pgt,$pgt_iou)\r
-    {\r
-      phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called'); \r
-    }\r
-\r
-  /**\r
-   * This virtual method reads a PGT corresponding to a PGT Iou and deletes\r
-   * the corresponding storage entry.\r
-   * @note Should never be called.\r
-   *\r
-   * @param $pgt_iou the PGT iou\r
-   *\r
-   * @protected\r
-   */\r
-  function read($pgt_iou)\r
-    {\r
-      phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called'); \r
-    }\r
-\r
-  /** @} */\r
-  \r
-} \r
-\r
-// include specific PGT storage classes\r
-include_once(dirname(__FILE__).'/pgt-file.php'); \r
-include_once(dirname(__FILE__).'/pgt-db.php');\r
-  \r
+<?php
+
+/**
+ * @file CAS/PGTStorage/pgt-main.php
+ * Basic class for PGT storage
+ */
+
+/**
+ * @class PGTStorage
+ * The PGTStorage class is a generic class for PGT storage. This class should
+ * not be instanciated itself but inherited by specific PGT storage classes.
+ *
+ * @author   Pascal Aubry <pascal.aubry at univ-rennes1.fr>
+ *
+ * @ingroup internalPGTStorage
+ */
+
+class PGTStorage
+{
+  /** 
+   * @addtogroup internalPGTStorage
+   * @{ 
+   */
+
+  // ########################################################################
+  //  CONSTRUCTOR
+  // ########################################################################
+  
+  /**
+   * The constructor of the class, should be called only by inherited classes.
+   *
+   * @param $cas_parent the CASclient instance that creates the current object.
+   *
+   * @protected
+   */
+  function PGTStorage($cas_parent)
+    {
+      phpCAS::traceBegin();
+      if ( !$cas_parent->isProxy() ) {
+       phpCAS::error('defining PGT storage makes no sense when not using a CAS proxy'); 
+      }
+      phpCAS::traceEnd();
+    }
+
+  // ########################################################################
+  //  DEBUGGING
+  // ########################################################################
+  
+  /**
+   * This virtual method returns an informational string giving the type of storage
+   * used by the object (used for debugging purposes).
+   *
+   * @public
+   */
+  function getStorageType()
+    {
+      phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called'); 
+    }
+
+  /**
+   * This virtual method returns an informational string giving informations on the
+   * parameters of the storage.(used for debugging purposes).
+   *
+   * @public
+   */
+  function getStorageInfo()
+    {
+      phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called'); 
+    }
+
+  // ########################################################################
+  //  ERROR HANDLING
+  // ########################################################################
+  
+  /**
+   * string used to store an error message. Written by PGTStorage::setErrorMessage(),
+   * read by PGTStorage::getErrorMessage().
+   *
+   * @hideinitializer
+   * @private
+   * @deprecated not used.
+   */
+  var $_error_message=FALSE;
+
+  /**
+   * This method sets en error message, which can be read later by 
+   * PGTStorage::getErrorMessage().
+   *
+   * @param $error_message an error message
+   *
+   * @protected
+   * @deprecated not used.
+   */
+  function setErrorMessage($error_message)
+    {
+      $this->_error_message = $error_message;
+    }
+
+  /**
+   * This method returns an error message set by PGTStorage::setErrorMessage().
+   *
+   * @return an error message when set by PGTStorage::setErrorMessage(), FALSE
+   * otherwise.
+   *
+   * @public
+   * @deprecated not used.
+   */
+  function getErrorMessage()
+    {
+      return $this->_error_message;
+    }
+
+  // ########################################################################
+  //  INITIALIZATION
+  // ########################################################################
+
+  /**
+   * a boolean telling if the storage has already been initialized. Written by 
+   * PGTStorage::init(), read by PGTStorage::isInitialized().
+   *
+   * @hideinitializer
+   * @private
+   */
+  var $_initialized = FALSE;
+
+  /**
+   * This method tells if the storage has already been intialized.
+   *
+   * @return a boolean
+   *
+   * @protected
+   */
+  function isInitialized()
+    {
+      return $this->_initialized;
+    }
+
+  /**
+   * This virtual method initializes the object.
+   *
+   * @protected
+   */
+  function init()
+    {
+      $this->_initialized = TRUE;
+    }
+
+  // ########################################################################
+  //  PGT I/O
+  // ########################################################################
+
+  /**
+   * This virtual method stores a PGT and its corresponding PGT Iuo.
+   * @note Should never be called.
+   *
+   * @param $pgt the PGT
+   * @param $pgt_iou the PGT iou
+   *
+   * @protected
+   */
+  function write($pgt,$pgt_iou)
+    {
+      phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called'); 
+    }
+
+  /**
+   * This virtual method reads a PGT corresponding to a PGT Iou and deletes
+   * the corresponding storage entry.
+   * @note Should never be called.
+   *
+   * @param $pgt_iou the PGT iou
+   *
+   * @protected
+   */
+  function read($pgt_iou)
+    {
+      phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called'); 
+    }
+
+  /** @} */
+  
+} 
+
+// include specific PGT storage classes
+include_once(dirname(__FILE__).'/pgt-file.php'); 
+include_once(dirname(__FILE__).'/pgt-db.php');
+  
 ?>
\ No newline at end of file
index bfea59052df85942a7624e8612690b3e0ae5059f..bbde55a284d04fedf7fcff613081ccb768c1ec93 100644 (file)
-<?php\r
-\r
-/**\r
- * @file CAS/client.php\r
- * Main class of the phpCAS library\r
- */\r
-\r
-// include internationalization stuff\r
-include_once(dirname(__FILE__).'/languages/languages.php');\r
-\r
-// include PGT storage classes\r
-include_once(dirname(__FILE__).'/PGTStorage/pgt-main.php');\r
-\r
-/**\r
- * @class CASClient\r
- * The CASClient class is a client interface that provides CAS authentication\r
- * to PHP applications.\r
- *\r
- * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>\r
- */\r
-\r
-class CASClient\r
-{\r
-       \r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       // XX                                                                    XX\r
-       // XX                          CONFIGURATION                             XX\r
-       // XX                                                                    XX\r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       \r
-       // ########################################################################\r
-       //  HTML OUTPUT\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalOutput\r
-        * @{\r
-        */  \r
-       \r
-       /**\r
-        * This method filters a string by replacing special tokens by appropriate values\r
-        * and prints it. The corresponding tokens are taken into account:\r
-        * - __CAS_VERSION__\r
-        * - __PHPCAS_VERSION__\r
-        * - __SERVER_BASE_URL__\r
-        *\r
-        * Used by CASClient::PrintHTMLHeader() and CASClient::printHTMLFooter().\r
-        *\r
-        * @param $str the string to filter and output\r
-        *\r
-        * @private\r
-        */\r
-       function HTMLFilterOutput($str)\r
-               {\r
-               $str = str_replace('__CAS_VERSION__',$this->getServerVersion(),$str);\r
-               $str = str_replace('__PHPCAS_VERSION__',phpCAS::getVersion(),$str);\r
-               $str = str_replace('__SERVER_BASE_URL__',$this->getServerBaseURL(),$str);\r
-               echo $str;\r
-               }\r
-       \r
-       /**\r
-        * A string used to print the header of HTML pages. Written by CASClient::setHTMLHeader(),\r
-        * read by CASClient::printHTMLHeader().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        * @see CASClient::setHTMLHeader, CASClient::printHTMLHeader()\r
-        */\r
-       var $_output_header = '';\r
-       \r
-       /**\r
-        * This method prints the header of the HTML output (after filtering). If\r
-        * CASClient::setHTMLHeader() was not used, a default header is output.\r
-        *\r
-        * @param $title the title of the page\r
-        *\r
-        * @see HTMLFilterOutput()\r
-        * @private\r
-        */\r
-       function printHTMLHeader($title)\r
-               {\r
-               $this->HTMLFilterOutput(str_replace('__TITLE__',\r
-                       $title,\r
-                       (empty($this->_output_header)\r
-                                       ? '<html><head><title>__TITLE__</title></head><body><h1>__TITLE__</h1>'\r
-                                                       : $this->_output_header)\r
-               )\r
-               );\r
-               }\r
-       \r
-       /**\r
-        * A string used to print the footer of HTML pages. Written by CASClient::setHTMLFooter(),\r
-        * read by printHTMLFooter().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        * @see CASClient::setHTMLFooter, CASClient::printHTMLFooter()\r
-        */\r
-       var $_output_footer = '';\r
-       \r
-       /**\r
-        * This method prints the footer of the HTML output (after filtering). If\r
-        * CASClient::setHTMLFooter() was not used, a default footer is output.\r
-        *\r
-        * @see HTMLFilterOutput()\r
-        * @private\r
-        */\r
-       function printHTMLFooter()\r
-               {\r
-               $this->HTMLFilterOutput(empty($this->_output_footer)\r
-                       ?('<hr><address>phpCAS __PHPCAS_VERSION__ '.$this->getString(CAS_STR_USING_SERVER).' <a href="__SERVER_BASE_URL__">__SERVER_BASE_URL__</a> (CAS __CAS_VERSION__)</a></address></body></html>')\r
-                                       :$this->_output_footer);\r
-               }\r
-       \r
-       /**\r
-        * This method set the HTML header used for all outputs.\r
-        *\r
-        * @param $header the HTML header.\r
-        *\r
-        * @public\r
-        */\r
-       function setHTMLHeader($header)\r
-               {\r
-               $this->_output_header = $header;\r
-               }\r
-       \r
-       /**\r
-        * This method set the HTML footer used for all outputs.\r
-        *\r
-        * @param $footer the HTML footer.\r
-        *\r
-        * @public\r
-        */\r
-       function setHTMLFooter($footer)\r
-               {\r
-               $this->_output_footer = $footer;\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  INTERNATIONALIZATION\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalLang\r
-        * @{\r
-        */  \r
-       /**\r
-        * A string corresponding to the language used by phpCAS. Written by \r
-        * CASClient::setLang(), read by CASClient::getLang().\r
-        \r
-        * @note debugging information is always in english (debug purposes only).\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        * @sa CASClient::_strings, CASClient::getString()\r
-        */\r
-       var $_lang = '';\r
-       \r
-       /**\r
-        * This method returns the language used by phpCAS.\r
-        *\r
-        * @return a string representing the language\r
-        *\r
-        * @private\r
-        */\r
-       function getLang()\r
-               {\r
-               if ( empty($this->_lang) )\r
-                       $this->setLang(PHPCAS_LANG_DEFAULT);\r
-               return $this->_lang;\r
-               }\r
-       \r
-       /**\r
-        * array containing the strings used by phpCAS. Written by CASClient::setLang(), read by \r
-        * CASClient::getString() and used by CASClient::setLang().\r
-        *\r
-        * @note This array is filled by instructions in CAS/languages/<$this->_lang>.php\r
-        *\r
-        * @private\r
-        * @see CASClient::_lang, CASClient::getString(), CASClient::setLang(), CASClient::getLang()\r
-        */\r
-       var $_strings;\r
-       \r
-       /**\r
-        * This method returns a string depending on the language.\r
-        *\r
-        * @param $str the index of the string in $_string.\r
-        *\r
-        * @return the string corresponding to $index in $string.\r
-        *\r
-        * @private\r
-        */\r
-       function getString($str)\r
-               {\r
-               // call CASclient::getLang() to be sure the language is initialized\r
-               $this->getLang();\r
-               \r
-               if ( !isset($this->_strings[$str]) ) {\r
-                       trigger_error('string `'.$str.'\' not defined for language `'.$this->getLang().'\'',E_USER_ERROR);\r
-               }\r
-               return $this->_strings[$str];\r
-               }\r
-       \r
-       /**\r
-        * This method is used to set the language used by phpCAS. \r
-        * @note Can be called only once.\r
-        *\r
-        * @param $lang a string representing the language.\r
-        *\r
-        * @public\r
-        * @sa CAS_LANG_FRENCH, CAS_LANG_ENGLISH\r
-        */\r
-       function setLang($lang)\r
-               {\r
-               // include the corresponding language file\r
-               include_once(dirname(__FILE__).'/languages/'.$lang.'.php');\r
-               \r
-               if ( !is_array($this->_strings) ) {\r
-                       trigger_error('language `'.$lang.'\' is not implemented',E_USER_ERROR);\r
-               }\r
-               $this->_lang = $lang;\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  CAS SERVER CONFIG\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalConfig\r
-        * @{\r
-        */  \r
-       \r
-       /**\r
-        * a record to store information about the CAS server.\r
-        * - $_server["version"]: the version of the CAS server\r
-        * - $_server["hostname"]: the hostname of the CAS server\r
-        * - $_server["port"]: the port the CAS server is running on\r
-        * - $_server["uri"]: the base URI the CAS server is responding on\r
-        * - $_server["base_url"]: the base URL of the CAS server\r
-        * - $_server["login_url"]: the login URL of the CAS server\r
-        * - $_server["service_validate_url"]: the service validating URL of the CAS server\r
-        * - $_server["proxy_url"]: the proxy URL of the CAS server\r
-        * - $_server["proxy_validate_url"]: the proxy validating URL of the CAS server\r
-        * - $_server["logout_url"]: the logout URL of the CAS server\r
-        *\r
-        * $_server["version"], $_server["hostname"], $_server["port"] and $_server["uri"]\r
-        * are written by CASClient::CASClient(), read by CASClient::getServerVersion(), \r
-        * CASClient::getServerHostname(), CASClient::getServerPort() and CASClient::getServerURI().\r
-        *\r
-        * The other fields are written and read by CASClient::getServerBaseURL(), \r
-        * CASClient::getServerLoginURL(), CASClient::getServerServiceValidateURL(), \r
-        * CASClient::getServerProxyValidateURL() and CASClient::getServerLogoutURL().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_server = array(\r
-               'version' => -1,\r
-               'hostname' => 'none',\r
-               'port' => -1,\r
-               'uri' => 'none'\r
-       );\r
-       \r
-       /**\r
-        * This method is used to retrieve the version of the CAS server.\r
-        * @return the version of the CAS server.\r
-        * @private\r
-        */\r
-       function getServerVersion()\r
-               { \r
-               return $this->_server['version']; \r
-               }\r
-       \r
-       /**\r
-        * This method is used to retrieve the hostname of the CAS server.\r
-        * @return the hostname of the CAS server.\r
-        * @private\r
-        */\r
-       function getServerHostname()\r
-               { return $this->_server['hostname']; }\r
-       \r
-       /**\r
-        * This method is used to retrieve the port of the CAS server.\r
-        * @return the port of the CAS server.\r
-        * @private\r
-        */\r
-       function getServerPort()\r
-               { return $this->_server['port']; }\r
-       \r
-       /**\r
-        * This method is used to retrieve the URI of the CAS server.\r
-        * @return a URI.\r
-        * @private\r
-        */\r
-       function getServerURI()\r
-               { return $this->_server['uri']; }\r
-       \r
-       /**\r
-        * This method is used to retrieve the base URL of the CAS server.\r
-        * @return a URL.\r
-        * @private\r
-        */\r
-       function getServerBaseURL()\r
-               { \r
-               // the URL is build only when needed\r
-               if ( empty($this->_server['base_url']) ) {\r
-                       $this->_server['base_url'] = 'https://'\r
-                               .$this->getServerHostname()\r
-                               .':'\r
-                               .$this->getServerPort()\r
-                               .$this->getServerURI();\r
-               }\r
-               return $this->_server['base_url']; \r
-               }\r
-       \r
-       /**\r
-        * This method is used to retrieve the login URL of the CAS server.\r
-        * @param $gateway true to check authentication, false to force it\r
-        * @param $renew true to force the authentication with the CAS server\r
-        * NOTE : It is recommended that CAS implementations ignore the\r
-        "gateway" parameter if "renew" is set\r
-        * @return a URL.\r
-        * @private\r
-        */\r
-       function getServerLoginURL($gateway=false,$renew=false) {\r
-               phpCAS::traceBegin();\r
-               // the URL is build only when needed\r
-               if ( empty($this->_server['login_url']) ) {\r
-                       $this->_server['login_url'] = $this->getServerBaseURL();\r
-                       $this->_server['login_url'] .= 'login?service=';\r
-                       // $this->_server['login_url'] .= preg_replace('/&/','%26',$this->getURL());\r
-                       $this->_server['login_url'] .= urlencode($this->getURL());\r
-                       if($renew) {\r
-                               // It is recommended that when the "renew" parameter is set, its value be "true"\r
-                               $this->_server['login_url'] .= '&renew=true';\r
-                       } elseif ($gateway) {\r
-                               // It is recommended that when the "gateway" parameter is set, its value be "true"\r
-                               $this->_server['login_url'] .= '&gateway=true';\r
-                       }\r
-               }\r
-               phpCAS::traceEnd($this->_server['login_url']);\r
-               return $this->_server['login_url'];\r
-       } \r
-       \r
-       /**\r
-        * This method sets the login URL of the CAS server.\r
-        * @param $url the login URL\r
-        * @private\r
-        * @since 0.4.21 by Wyman Chan\r
-        */\r
-       function setServerLoginURL($url)\r
-               {\r
-               return $this->_server['login_url'] = $url;\r
-               }\r
-       \r
-       /**\r
-        * This method is used to retrieve the service validating URL of the CAS server.\r
-        * @return a URL.\r
-        * @private\r
-        */\r
-       function getServerServiceValidateURL()\r
-               { \r
-               // the URL is build only when needed\r
-               if ( empty($this->_server['service_validate_url']) ) {\r
-                       switch ($this->getServerVersion()) {\r
-                               case CAS_VERSION_1_0:\r
-                                       $this->_server['service_validate_url'] = $this->getServerBaseURL().'validate';\r
-                                       break;\r
-                               case CAS_VERSION_2_0:\r
-                                       $this->_server['service_validate_url'] = $this->getServerBaseURL().'serviceValidate';\r
-                                       break;\r
-                       }\r
-               }\r
-               //      return $this->_server['service_validate_url'].'?service='.preg_replace('/&/','%26',$this->getURL()); \r
-               return $this->_server['service_validate_url'].'?service='.urlencode($this->getURL()); \r
-               }\r
-       \r
-       /**\r
-        * This method is used to retrieve the proxy validating URL of the CAS server.\r
-        * @return a URL.\r
-        * @private\r
-        */\r
-       function getServerProxyValidateURL()\r
-               { \r
-               // the URL is build only when needed\r
-               if ( empty($this->_server['proxy_validate_url']) ) {\r
-                       switch ($this->getServerVersion()) {\r
-                               case CAS_VERSION_1_0:\r
-                                       $this->_server['proxy_validate_url'] = '';\r
-                                       break;\r
-                               case CAS_VERSION_2_0:\r
-                                       $this->_server['proxy_validate_url'] = $this->getServerBaseURL().'proxyValidate';\r
-                                       break;\r
-                       }\r
-               }\r
-               //      return $this->_server['proxy_validate_url'].'?service='.preg_replace('/&/','%26',$this->getURL()); \r
-               return $this->_server['proxy_validate_url'].'?service='.urlencode($this->getURL()); \r
-               }\r
-       \r
-       /**\r
-        * This method is used to retrieve the proxy URL of the CAS server.\r
-        * @return a URL.\r
-        * @private\r
-        */\r
-       function getServerProxyURL()\r
-               { \r
-               // the URL is build only when needed\r
-               if ( empty($this->_server['proxy_url']) ) {\r
-                       switch ($this->getServerVersion()) {\r
-                               case CAS_VERSION_1_0:\r
-                                       $this->_server['proxy_url'] = '';\r
-                                       break;\r
-                               case CAS_VERSION_2_0:\r
-                                       $this->_server['proxy_url'] = $this->getServerBaseURL().'proxy';\r
-                                       break;\r
-                       }\r
-               }\r
-               return $this->_server['proxy_url']; \r
-               }\r
-       \r
-       /**\r
-        * This method is used to retrieve the logout URL of the CAS server.\r
-        * @return a URL.\r
-        * @private\r
-        */\r
-       function getServerLogoutURL()\r
-               { \r
-               // the URL is build only when needed\r
-               if ( empty($this->_server['logout_url']) ) {\r
-                       $this->_server['logout_url'] = $this->getServerBaseURL().'logout';\r
-               }\r
-               return $this->_server['logout_url']; \r
-               }\r
-       \r
-       /**\r
-        * This method sets the logout URL of the CAS server.\r
-        * @param $url the logout URL\r
-        * @private\r
-        * @since 0.4.21 by Wyman Chan\r
-        */\r
-       function setServerLogoutURL($url)\r
-               {\r
-               return $this->_server['logout_url'] = $url;\r
-               }\r
-\r
-       /**\r
-        * An array to store extra curl options.\r
-        */     \r
-       var $_curl_options = array();\r
-\r
-       /**\r
-        * This method is used to set additional user curl options.\r
-        */\r
-       function setExtraCurlOption($key, $value)\r
-       {\r
-               $this->_curl_options[$key] = $value;\r
-       }\r
\r
-       /**\r
-        * This method checks to see if the request is secured via HTTPS\r
-        * @return true if https, false otherwise\r
-        * @private\r
-        */\r
-       function isHttps() {\r
-               //if ( isset($_SERVER['HTTPS']) && !empty($_SERVER['HTTPS']) ) {\r
-               //0.4.24 by Hinnack\r
-               if ( isset($_SERVER['HTTPS']) && !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {\r
-                       return true;\r
-               } else {\r
-                       return false;\r
-               }\r
-       }\r
-       \r
-       // ########################################################################\r
-       //  CONSTRUCTOR\r
-       // ########################################################################\r
-       /**\r
-        * CASClient constructor.\r
-        *\r
-        * @param $server_version the version of the CAS server\r
-        * @param $proxy TRUE if the CAS client is a CAS proxy, FALSE otherwise\r
-        * @param $server_hostname the hostname of the CAS server\r
-        * @param $server_port the port the CAS server is running on\r
-        * @param $server_uri the URI the CAS server is responding on\r
-        * @param $start_session Have phpCAS start PHP sessions (default true)\r
-        *\r
-        * @return a newly created CASClient object\r
-        *\r
-        * @public\r
-        */\r
-       function CASClient(\r
-                                          $server_version,\r
-                                          $proxy,\r
-                                          $server_hostname,\r
-                                          $server_port,\r
-                                          $server_uri,\r
-                                          $start_session = true) {\r
-               \r
-               phpCAS::traceBegin();\r
-               \r
-               if (!$this->isLogoutRequest() && !empty($_GET['ticket']) && $start_session) {\r
-            // copy old session vars and destroy the current session\r
-            if (!isset($_SESSION)) {\r
-               session_start();\r
-            }\r
-            $old_session = $_SESSION;\r
-            session_destroy();\r
-            // set up a new session, of name based on the ticket\r
-                       $session_id = preg_replace('/[^\w]/','',$_GET['ticket']);\r
-                       phpCAS::LOG("Session ID: " . $session_id);\r
-                       session_id($session_id);\r
-            if (!isset($_SESSION)) {\r
-               session_start();\r
-            }\r
-            // restore old session vars\r
+<?php
+
+/**
+ * @file CAS/client.php
+ * Main class of the phpCAS library
+ */
+
+// include internationalization stuff
+include_once(dirname(__FILE__).'/languages/languages.php');
+
+// include PGT storage classes
+include_once(dirname(__FILE__).'/PGTStorage/pgt-main.php');
+
+/**
+ * @class CASClient
+ * The CASClient class is a client interface that provides CAS authentication
+ * to PHP applications.
+ *
+ * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>
+ */
+
+class CASClient
+{
+       
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       // XX                                                                    XX
+       // XX                          CONFIGURATION                             XX
+       // XX                                                                    XX
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       
+       // ########################################################################
+       //  HTML OUTPUT
+       // ########################################################################
+       /**
+        * @addtogroup internalOutput
+        * @{
+        */  
+       
+       /**
+        * This method filters a string by replacing special tokens by appropriate values
+        * and prints it. The corresponding tokens are taken into account:
+        * - __CAS_VERSION__
+        * - __PHPCAS_VERSION__
+        * - __SERVER_BASE_URL__
+        *
+        * Used by CASClient::PrintHTMLHeader() and CASClient::printHTMLFooter().
+        *
+        * @param $str the string to filter and output
+        *
+        * @private
+        */
+       function HTMLFilterOutput($str)
+               {
+               $str = str_replace('__CAS_VERSION__',$this->getServerVersion(),$str);
+               $str = str_replace('__PHPCAS_VERSION__',phpCAS::getVersion(),$str);
+               $str = str_replace('__SERVER_BASE_URL__',$this->getServerBaseURL(),$str);
+               echo $str;
+               }
+       
+       /**
+        * A string used to print the header of HTML pages. Written by CASClient::setHTMLHeader(),
+        * read by CASClient::printHTMLHeader().
+        *
+        * @hideinitializer
+        * @private
+        * @see CASClient::setHTMLHeader, CASClient::printHTMLHeader()
+        */
+       var $_output_header = '';
+       
+       /**
+        * This method prints the header of the HTML output (after filtering). If
+        * CASClient::setHTMLHeader() was not used, a default header is output.
+        *
+        * @param $title the title of the page
+        *
+        * @see HTMLFilterOutput()
+        * @private
+        */
+       function printHTMLHeader($title)
+               {
+               $this->HTMLFilterOutput(str_replace('__TITLE__',
+                       $title,
+                       (empty($this->_output_header)
+                                       ? '<html><head><title>__TITLE__</title></head><body><h1>__TITLE__</h1>'
+                                                       : $this->_output_header)
+               )
+               );
+               }
+       
+       /**
+        * A string used to print the footer of HTML pages. Written by CASClient::setHTMLFooter(),
+        * read by printHTMLFooter().
+        *
+        * @hideinitializer
+        * @private
+        * @see CASClient::setHTMLFooter, CASClient::printHTMLFooter()
+        */
+       var $_output_footer = '';
+       
+       /**
+        * This method prints the footer of the HTML output (after filtering). If
+        * CASClient::setHTMLFooter() was not used, a default footer is output.
+        *
+        * @see HTMLFilterOutput()
+        * @private
+        */
+       function printHTMLFooter()
+               {
+               $this->HTMLFilterOutput(empty($this->_output_footer)
+                       ?('<hr><address>phpCAS __PHPCAS_VERSION__ '.$this->getString(CAS_STR_USING_SERVER).' <a href="__SERVER_BASE_URL__">__SERVER_BASE_URL__</a> (CAS __CAS_VERSION__)</a></address></body></html>')
+                                       :$this->_output_footer);
+               }
+       
+       /**
+        * This method set the HTML header used for all outputs.
+        *
+        * @param $header the HTML header.
+        *
+        * @public
+        */
+       function setHTMLHeader($header)
+               {
+               $this->_output_header = $header;
+               }
+       
+       /**
+        * This method set the HTML footer used for all outputs.
+        *
+        * @param $footer the HTML footer.
+        *
+        * @public
+        */
+       function setHTMLFooter($footer)
+               {
+               $this->_output_footer = $footer;
+               }
+       
+       /** @} */
+       // ########################################################################
+       //  INTERNATIONALIZATION
+       // ########################################################################
+       /**
+        * @addtogroup internalLang
+        * @{
+        */  
+       /**
+        * A string corresponding to the language used by phpCAS. Written by 
+        * CASClient::setLang(), read by CASClient::getLang().
+        
+        * @note debugging information is always in english (debug purposes only).
+        *
+        * @hideinitializer
+        * @private
+        * @sa CASClient::_strings, CASClient::getString()
+        */
+       var $_lang = '';
+       
+       /**
+        * This method returns the language used by phpCAS.
+        *
+        * @return a string representing the language
+        *
+        * @private
+        */
+       function getLang()
+               {
+               if ( empty($this->_lang) )
+                       $this->setLang(PHPCAS_LANG_DEFAULT);
+               return $this->_lang;
+               }
+       
+       /**
+        * array containing the strings used by phpCAS. Written by CASClient::setLang(), read by 
+        * CASClient::getString() and used by CASClient::setLang().
+        *
+        * @note This array is filled by instructions in CAS/languages/<$this->_lang>.php
+        *
+        * @private
+        * @see CASClient::_lang, CASClient::getString(), CASClient::setLang(), CASClient::getLang()
+        */
+       var $_strings;
+       
+       /**
+        * This method returns a string depending on the language.
+        *
+        * @param $str the index of the string in $_string.
+        *
+        * @return the string corresponding to $index in $string.
+        *
+        * @private
+        */
+       function getString($str)
+               {
+               // call CASclient::getLang() to be sure the language is initialized
+               $this->getLang();
+               
+               if ( !isset($this->_strings[$str]) ) {
+                       trigger_error('string `'.$str.'\' not defined for language `'.$this->getLang().'\'',E_USER_ERROR);
+               }
+               return $this->_strings[$str];
+               }
+       
+       /**
+        * This method is used to set the language used by phpCAS. 
+        * @note Can be called only once.
+        *
+        * @param $lang a string representing the language.
+        *
+        * @public
+        * @sa CAS_LANG_FRENCH, CAS_LANG_ENGLISH
+        */
+       function setLang($lang)
+               {
+               // include the corresponding language file
+               include_once(dirname(__FILE__).'/languages/'.$lang.'.php');
+               
+               if ( !is_array($this->_strings) ) {
+                       trigger_error('language `'.$lang.'\' is not implemented',E_USER_ERROR);
+               }
+               $this->_lang = $lang;
+               }
+       
+       /** @} */
+       // ########################################################################
+       //  CAS SERVER CONFIG
+       // ########################################################################
+       /**
+        * @addtogroup internalConfig
+        * @{
+        */  
+       
+       /**
+        * a record to store information about the CAS server.
+        * - $_server["version"]: the version of the CAS server
+        * - $_server["hostname"]: the hostname of the CAS server
+        * - $_server["port"]: the port the CAS server is running on
+        * - $_server["uri"]: the base URI the CAS server is responding on
+        * - $_server["base_url"]: the base URL of the CAS server
+        * - $_server["login_url"]: the login URL of the CAS server
+        * - $_server["service_validate_url"]: the service validating URL of the CAS server
+        * - $_server["proxy_url"]: the proxy URL of the CAS server
+        * - $_server["proxy_validate_url"]: the proxy validating URL of the CAS server
+        * - $_server["logout_url"]: the logout URL of the CAS server
+        *
+        * $_server["version"], $_server["hostname"], $_server["port"] and $_server["uri"]
+        * are written by CASClient::CASClient(), read by CASClient::getServerVersion(), 
+        * CASClient::getServerHostname(), CASClient::getServerPort() and CASClient::getServerURI().
+        *
+        * The other fields are written and read by CASClient::getServerBaseURL(), 
+        * CASClient::getServerLoginURL(), CASClient::getServerServiceValidateURL(), 
+        * CASClient::getServerProxyValidateURL() and CASClient::getServerLogoutURL().
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_server = array(
+               'version' => -1,
+               'hostname' => 'none',
+               'port' => -1,
+               'uri' => 'none'
+       );
+       
+       /**
+        * This method is used to retrieve the version of the CAS server.
+        * @return the version of the CAS server.
+        * @private
+        */
+       function getServerVersion()
+               { 
+               return $this->_server['version']; 
+               }
+       
+       /**
+        * This method is used to retrieve the hostname of the CAS server.
+        * @return the hostname of the CAS server.
+        * @private
+        */
+       function getServerHostname()
+               { return $this->_server['hostname']; }
+       
+       /**
+        * This method is used to retrieve the port of the CAS server.
+        * @return the port of the CAS server.
+        * @private
+        */
+       function getServerPort()
+               { return $this->_server['port']; }
+       
+       /**
+        * This method is used to retrieve the URI of the CAS server.
+        * @return a URI.
+        * @private
+        */
+       function getServerURI()
+               { return $this->_server['uri']; }
+       
+       /**
+        * This method is used to retrieve the base URL of the CAS server.
+        * @return a URL.
+        * @private
+        */
+       function getServerBaseURL()
+               { 
+               // the URL is build only when needed
+               if ( empty($this->_server['base_url']) ) {
+                       $this->_server['base_url'] = 'https://'
+                               .$this->getServerHostname()
+                               .':'
+                               .$this->getServerPort()
+                               .$this->getServerURI();
+               }
+               return $this->_server['base_url']; 
+               }
+       
+       /**
+        * This method is used to retrieve the login URL of the CAS server.
+        * @param $gateway true to check authentication, false to force it
+        * @param $renew true to force the authentication with the CAS server
+        * NOTE : It is recommended that CAS implementations ignore the
+        "gateway" parameter if "renew" is set
+        * @return a URL.
+        * @private
+        */
+       function getServerLoginURL($gateway=false,$renew=false) {
+               phpCAS::traceBegin();
+               // the URL is build only when needed
+               if ( empty($this->_server['login_url']) ) {
+                       $this->_server['login_url'] = $this->getServerBaseURL();
+                       $this->_server['login_url'] .= 'login?service=';
+                       // $this->_server['login_url'] .= preg_replace('/&/','%26',$this->getURL());
+                       $this->_server['login_url'] .= urlencode($this->getURL());
+                       if($renew) {
+                               // It is recommended that when the "renew" parameter is set, its value be "true"
+                               $this->_server['login_url'] .= '&renew=true';
+                       } elseif ($gateway) {
+                               // It is recommended that when the "gateway" parameter is set, its value be "true"
+                               $this->_server['login_url'] .= '&gateway=true';
+                       }
+               }
+               phpCAS::traceEnd($this->_server['login_url']);
+               return $this->_server['login_url'];
+       } 
+       
+       /**
+        * This method sets the login URL of the CAS server.
+        * @param $url the login URL
+        * @private
+        * @since 0.4.21 by Wyman Chan
+        */
+       function setServerLoginURL($url)
+               {
+               return $this->_server['login_url'] = $url;
+               }
+       
+       /**
+        * This method is used to retrieve the service validating URL of the CAS server.
+        * @return a URL.
+        * @private
+        */
+       function getServerServiceValidateURL()
+               { 
+               // the URL is build only when needed
+               if ( empty($this->_server['service_validate_url']) ) {
+                       switch ($this->getServerVersion()) {
+                               case CAS_VERSION_1_0:
+                                       $this->_server['service_validate_url'] = $this->getServerBaseURL().'validate';
+                                       break;
+                               case CAS_VERSION_2_0:
+                                       $this->_server['service_validate_url'] = $this->getServerBaseURL().'serviceValidate';
+                                       break;
+                       }
+               }
+               //      return $this->_server['service_validate_url'].'?service='.preg_replace('/&/','%26',$this->getURL()); 
+               return $this->_server['service_validate_url'].'?service='.urlencode($this->getURL()); 
+               }
+       
+       /**
+        * This method is used to retrieve the proxy validating URL of the CAS server.
+        * @return a URL.
+        * @private
+        */
+       function getServerProxyValidateURL()
+               { 
+               // the URL is build only when needed
+               if ( empty($this->_server['proxy_validate_url']) ) {
+                       switch ($this->getServerVersion()) {
+                               case CAS_VERSION_1_0:
+                                       $this->_server['proxy_validate_url'] = '';
+                                       break;
+                               case CAS_VERSION_2_0:
+                                       $this->_server['proxy_validate_url'] = $this->getServerBaseURL().'proxyValidate';
+                                       break;
+                       }
+               }
+               //      return $this->_server['proxy_validate_url'].'?service='.preg_replace('/&/','%26',$this->getURL()); 
+               return $this->_server['proxy_validate_url'].'?service='.urlencode($this->getURL()); 
+               }
+       
+       /**
+        * This method is used to retrieve the proxy URL of the CAS server.
+        * @return a URL.
+        * @private
+        */
+       function getServerProxyURL()
+               { 
+               // the URL is build only when needed
+               if ( empty($this->_server['proxy_url']) ) {
+                       switch ($this->getServerVersion()) {
+                               case CAS_VERSION_1_0:
+                                       $this->_server['proxy_url'] = '';
+                                       break;
+                               case CAS_VERSION_2_0:
+                                       $this->_server['proxy_url'] = $this->getServerBaseURL().'proxy';
+                                       break;
+                       }
+               }
+               return $this->_server['proxy_url']; 
+               }
+       
+       /**
+        * This method is used to retrieve the logout URL of the CAS server.
+        * @return a URL.
+        * @private
+        */
+       function getServerLogoutURL()
+               { 
+               // the URL is build only when needed
+               if ( empty($this->_server['logout_url']) ) {
+                       $this->_server['logout_url'] = $this->getServerBaseURL().'logout';
+               }
+               return $this->_server['logout_url']; 
+               }
+       
+       /**
+        * This method sets the logout URL of the CAS server.
+        * @param $url the logout URL
+        * @private
+        * @since 0.4.21 by Wyman Chan
+        */
+       function setServerLogoutURL($url)
+               {
+               return $this->_server['logout_url'] = $url;
+               }
+
+       /**
+        * An array to store extra curl options.
+        */     
+       var $_curl_options = array();
+
+       /**
+        * This method is used to set additional user curl options.
+        */
+       function setExtraCurlOption($key, $value)
+       {
+               $this->_curl_options[$key] = $value;
+       }
+       /**
+        * This method checks to see if the request is secured via HTTPS
+        * @return true if https, false otherwise
+        * @private
+        */
+       function isHttps() {
+               //if ( isset($_SERVER['HTTPS']) && !empty($_SERVER['HTTPS']) ) {
+               //0.4.24 by Hinnack
+               if ( isset($_SERVER['HTTPS']) && !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
+                       return true;
+               } else {
+                       return false;
+               }
+       }
+       
+       // ########################################################################
+       //  CONSTRUCTOR
+       // ########################################################################
+       /**
+        * CASClient constructor.
+        *
+        * @param $server_version the version of the CAS server
+        * @param $proxy TRUE if the CAS client is a CAS proxy, FALSE otherwise
+        * @param $server_hostname the hostname of the CAS server
+        * @param $server_port the port the CAS server is running on
+        * @param $server_uri the URI the CAS server is responding on
+        * @param $start_session Have phpCAS start PHP sessions (default true)
+        *
+        * @return a newly created CASClient object
+        *
+        * @public
+        */
+       function CASClient(
+                                          $server_version,
+                                          $proxy,
+                                          $server_hostname,
+                                          $server_port,
+                                          $server_uri,
+                                          $start_session = true) {
+               
+               phpCAS::traceBegin();
+               
+               if (!$this->isLogoutRequest() && !empty($_GET['ticket']) && $start_session) {
+            // copy old session vars and destroy the current session
+            if (!isset($_SESSION)) {
+               session_start();
+            }
+            $old_session = $_SESSION;
+            session_destroy();
+            // set up a new session, of name based on the ticket
+                       $session_id = preg_replace('/[^\w]/','',$_GET['ticket']);
+                       phpCAS::LOG("Session ID: " . $session_id);
+                       session_id($session_id);
+            if (!isset($_SESSION)) {
+               session_start();
+            }
+            // restore old session vars
             $_SESSION = $old_session;
             // Redirect to location without ticket.
-            header('Location: '.$this->getURL());\r
-               }\r
-               \r
-               //activate session mechanism if desired\r
-               if (!$this->isLogoutRequest() && $start_session) {\r
-                       session_start();\r
-               }\r
-               \r
-               $this->_proxy = $proxy;\r
-               \r
-               //check version\r
-               switch ($server_version) {\r
-                       case CAS_VERSION_1_0:\r
-                               if ( $this->isProxy() )\r
-                                       phpCAS::error('CAS proxies are not supported in CAS '\r
-                                               .$server_version);\r
-                               break;\r
-                       case CAS_VERSION_2_0:\r
-                               break;\r
-                       default:\r
-                               phpCAS::error('this version of CAS (`'\r
-                                       .$server_version\r
-                                       .'\') is not supported by phpCAS '\r
-                                       .phpCAS::getVersion());\r
-               }\r
-               $this->_server['version'] = $server_version;\r
-               \r
-               //check hostname\r
-               if ( empty($server_hostname) \r
-                               || !preg_match('/[\.\d\-abcdefghijklmnopqrstuvwxyz]*/',$server_hostname) ) {\r
-                       phpCAS::error('bad CAS server hostname (`'.$server_hostname.'\')');\r
-               }\r
-               $this->_server['hostname'] = $server_hostname;\r
-               \r
-               //check port\r
-               if ( $server_port == 0 \r
-                       || !is_int($server_port) ) {\r
-                       phpCAS::error('bad CAS server port (`'.$server_hostname.'\')');\r
-               }\r
-               $this->_server['port'] = $server_port;\r
-               \r
-               //check URI\r
-               if ( !preg_match('/[\.\d\-_abcdefghijklmnopqrstuvwxyz\/]*/',$server_uri) ) {\r
-                       phpCAS::error('bad CAS server URI (`'.$server_uri.'\')');\r
-               }\r
-               //add leading and trailing `/' and remove doubles      \r
-               $server_uri = preg_replace('/\/\//','/','/'.$server_uri.'/');\r
-               $this->_server['uri'] = $server_uri;\r
-               \r
-               //set to callback mode if PgtIou and PgtId CGI GET parameters are provided \r
-               if ( $this->isProxy() ) {\r
-                       $this->setCallbackMode(!empty($_GET['pgtIou'])&&!empty($_GET['pgtId']));\r
-               }\r
-               \r
-               if ( $this->isCallbackMode() ) {\r
-                       //callback mode: check that phpCAS is secured\r
-                       if ( !$this->isHttps() ) {\r
-                               phpCAS::error('CAS proxies must be secured to use phpCAS; PGT\'s will not be received from the CAS server');\r
-                       }\r
-               } else {\r
-                       //normal mode: get ticket and remove it from CGI parameters for developpers\r
-                       $ticket = (isset($_GET['ticket']) ? $_GET['ticket'] : null);\r
-                       switch ($this->getServerVersion()) {\r
-                               case CAS_VERSION_1_0: // check for a Service Ticket\r
-                                       if( preg_match('/^ST-/',$ticket) ) {\r
-                                               phpCAS::trace('ST \''.$ticket.'\' found');\r
-                                               //ST present\r
-                                               $this->setST($ticket);\r
-                                               //ticket has been taken into account, unset it to hide it to applications\r
-                                               unset($_GET['ticket']);\r
-                                       } else if ( !empty($ticket) ) {\r
-                                               //ill-formed ticket, halt\r
-                                               phpCAS::error('ill-formed ticket found in the URL (ticket=`'.htmlentities($ticket).'\')');\r
-                                       }\r
-                                       break;\r
-                               case CAS_VERSION_2_0: // check for a Service or Proxy Ticket\r
-                                       if( preg_match('/^[SP]T-/',$ticket) ) {\r
-                                               phpCAS::trace('ST or PT \''.$ticket.'\' found');\r
-                                               $this->setPT($ticket);\r
-                                               unset($_GET['ticket']);\r
-                                       } else if ( !empty($ticket) ) {\r
-                                               //ill-formed ticket, halt\r
-                                               phpCAS::error('ill-formed ticket found in the URL (ticket=`'.htmlentities($ticket).'\')');\r
-                                       } \r
-                                       break;\r
-                       }\r
-               }\r
-               phpCAS::traceEnd();\r
-       }\r
-       \r
-       /** @} */\r
-       \r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       // XX                                                                    XX\r
-       // XX                           AUTHENTICATION                           XX\r
-       // XX                                                                    XX\r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       \r
-       /**\r
-        * @addtogroup internalAuthentication\r
-        * @{\r
-        */  \r
-       \r
-       /**\r
-        * The Authenticated user. Written by CASClient::setUser(), read by CASClient::getUser().\r
-        * @attention client applications should use phpCAS::getUser().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_user = '';\r
-       \r
-       /**\r
-        * This method sets the CAS user's login name.\r
-        *\r
-        * @param $user the login name of the authenticated user.\r
-        *\r
-        * @private\r
-        */\r
-       function setUser($user)\r
-               {\r
-               $this->_user = $user;\r
-               }\r
-       \r
-       /**\r
-        * This method returns the CAS user's login name.\r
-        * @warning should be called only after CASClient::forceAuthentication() or \r
-        * CASClient::isAuthenticated(), otherwise halt with an error.\r
-        *\r
-        * @return the login name of the authenticated user\r
-        */\r
-       function getUser()\r
-               {\r
-               if ( empty($this->_user) ) {\r
-                       phpCAS::error('this method should be used only after '.__CLASS__.'::forceAuthentication() or '.__CLASS__.'::isAuthenticated()');\r
-               }\r
-               return $this->_user;\r
-               }\r
-       \r
-       /**\r
-        * This method is called to renew the authentication of the user\r
-        * If the user is authenticated, renew the connection\r
-        * If not, redirect to CAS\r
-        * @public\r
-        */\r
-       function renewAuthentication(){\r
-               phpCAS::traceBegin();\r
-               // Either way, the user is authenticated by CAS\r
-               if( isset( $_SESSION['phpCAS']['auth_checked'] ) )\r
-                       unset($_SESSION['phpCAS']['auth_checked']);\r
-               if ( $this->isAuthenticated() ) {\r
-                       phpCAS::trace('user already authenticated; renew');\r
-                       $this->redirectToCas(false,true);\r
-               } else {\r
-                       $this->redirectToCas();\r
-               }\r
-               phpCAS::traceEnd();\r
-       }\r
-\r
-       /**\r
-        * This method is called to be sure that the user is authenticated. When not \r
-        * authenticated, halt by redirecting to the CAS server; otherwise return TRUE.\r
-        * @return TRUE when the user is authenticated; otherwise halt.\r
-        * @public\r
-        */\r
-       function forceAuthentication()\r
-               {\r
-               phpCAS::traceBegin();\r
-               \r
-               if ( $this->isAuthenticated() ) {\r
-                       // the user is authenticated, nothing to be done.\r
-                       phpCAS::trace('no need to authenticate');\r
-                       $res = TRUE;\r
-               } else {\r
-                       // the user is not authenticated, redirect to the CAS server\r
-                       if (isset($_SESSION['phpCAS']['auth_checked'])) {\r
-                               unset($_SESSION['phpCAS']['auth_checked']);\r
-                       }\r
-                       $this->redirectToCas(FALSE/* no gateway */);    \r
-                       // never reached\r
-                       $res = FALSE;\r
-               }\r
-               phpCAS::traceEnd($res);\r
-               return $res;\r
-               }\r
-       \r
-       /**\r
-        * An integer that gives the number of times authentication will be cached before rechecked.\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_cache_times_for_auth_recheck = 0;\r
-       \r
-       /**\r
-        * Set the number of times authentication will be cached before rechecked.\r
-        *\r
-        * @param $n an integer.\r
-        *\r
-        * @public\r
-        */\r
-       function setCacheTimesForAuthRecheck($n)\r
-               {\r
-               $this->_cache_times_for_auth_recheck = $n;\r
-               }\r
-       \r
-       /**\r
-        * This method is called to check whether the user is authenticated or not.\r
-        * @return TRUE when the user is authenticated, FALSE otherwise.\r
-        * @public\r
-        */\r
-       function checkAuthentication()\r
-               {\r
-               phpCAS::traceBegin();\r
-               \r
-               if ( $this->isAuthenticated() ) {\r
-                       phpCAS::trace('user is authenticated');\r
-                       $res = TRUE;\r
-               } else if (isset($_SESSION['phpCAS']['auth_checked'])) {\r
-                       // the previous request has redirected the client to the CAS server with gateway=true\r
-                       unset($_SESSION['phpCAS']['auth_checked']);\r
-                       $res = FALSE;\r
-               } else {\r
-                       //        $_SESSION['phpCAS']['auth_checked'] = true;\r
-                       //          $this->redirectToCas(TRUE/* gateway */);    \r
-                       //          // never reached\r
-                       //          $res = FALSE;\r
-                       // avoid a check against CAS on every request\r
-                       if (! isset($_SESSION['phpCAS']['unauth_count']) )\r
-                               $_SESSION['phpCAS']['unauth_count'] = -2; // uninitialized\r
-                       \r
-                       if (($_SESSION['phpCAS']['unauth_count'] != -2 && $this->_cache_times_for_auth_recheck == -1) \r
-                                       || ($_SESSION['phpCAS']['unauth_count'] >= 0 && $_SESSION['phpCAS']['unauth_count'] < $this->_cache_times_for_auth_recheck))\r
-                       {\r
-                               $res = FALSE;\r
-                               \r
-                               if ($this->_cache_times_for_auth_recheck != -1)\r
-                               {\r
-                                       $_SESSION['phpCAS']['unauth_count']++;\r
-                                       phpCAS::trace('user is not authenticated (cached for '.$_SESSION['phpCAS']['unauth_count'].' times of '.$this->_cache_times_for_auth_recheck.')');\r
-                               }\r
-                               else\r
-                               {\r
-                                       phpCAS::trace('user is not authenticated (cached for until login pressed)');\r
-                               }\r
-                       }\r
-                       else\r
-                       {\r
-                               $_SESSION['phpCAS']['unauth_count'] = 0;\r
-                               $_SESSION['phpCAS']['auth_checked'] = true;\r
-                               phpCAS::trace('user is not authenticated (cache reset)');\r
-                               $this->redirectToCas(TRUE/* gateway */);        \r
-                               // never reached\r
-                               $res = FALSE;\r
-                       }\r
-               }\r
-               phpCAS::traceEnd($res);\r
-               return $res;\r
-               }\r
-       \r
-       /**\r
-        * This method is called to check if the user is authenticated (previously or by\r
-        * tickets given in the URL).\r
-        *\r
-        * @return TRUE when the user is authenticated.\r
-        *\r
-        * @public\r
-        */\r
-       function isAuthenticated()\r
-               {\r
-               phpCAS::traceBegin();\r
-               $res = FALSE;\r
-               $validate_url = '';\r
-               \r
-               if ( $this->wasPreviouslyAuthenticated() ) {\r
-                       // the user has already (previously during the session) been \r
-                       // authenticated, nothing to be done.\r
-                       phpCAS::trace('user was already authenticated, no need to look for tickets');\r
-                       $res = TRUE;\r
-               } \r
-               elseif ( $this->hasST() ) {\r
-                       // if a Service Ticket was given, validate it\r
-                       phpCAS::trace('ST `'.$this->getST().'\' is present');\r
-                       $this->validateST($validate_url,$text_response,$tree_response); // if it fails, it halts\r
-                       phpCAS::trace('ST `'.$this->getST().'\' was validated');\r
-                       if ( $this->isProxy() ) {\r
-                               $this->validatePGT($validate_url,$text_response,$tree_response); // idem\r
-                               phpCAS::trace('PGT `'.$this->getPGT().'\' was validated');\r
-                               $_SESSION['phpCAS']['pgt'] = $this->getPGT();\r
-                       }\r
-                       $_SESSION['phpCAS']['user'] = $this->getUser();\r
-                       $res = TRUE;\r
-               }\r
-               elseif ( $this->hasPT() ) {\r
-                       // if a Proxy Ticket was given, validate it\r
-                       phpCAS::trace('PT `'.$this->getPT().'\' is present');\r
-                       $this->validatePT($validate_url,$text_response,$tree_response); // note: if it fails, it halts\r
-                       phpCAS::trace('PT `'.$this->getPT().'\' was validated');\r
-                       if ( $this->isProxy() ) {\r
-                               $this->validatePGT($validate_url,$text_response,$tree_response); // idem\r
-                               phpCAS::trace('PGT `'.$this->getPGT().'\' was validated');\r
-                               $_SESSION['phpCAS']['pgt'] = $this->getPGT();\r
-                       }\r
-                       $_SESSION['phpCAS']['user'] = $this->getUser();\r
-                       $res = TRUE;\r
-               } \r
-               else {\r
-                       // no ticket given, not authenticated\r
-                       phpCAS::trace('no ticket found');\r
-               }\r
-               \r
-               phpCAS::traceEnd($res);\r
-               return $res;\r
-               }\r
-       \r
-       /**\r
-        * This method tells if the current session is authenticated.\r
-        * @return true if authenticated based soley on $_SESSION variable\r
-        * @since 0.4.22 by Brendan Arnold\r
-        */\r
-       function isSessionAuthenticated ()\r
-               {\r
-               return !empty($_SESSION['phpCAS']['user']);\r
-               }\r
-       \r
-       /**\r
-        * This method tells if the user has already been (previously) authenticated\r
-        * by looking into the session variables.\r
-        *\r
-        * @note This function switches to callback mode when needed.\r
-        *\r
-        * @return TRUE when the user has already been authenticated; FALSE otherwise.\r
-        *\r
-        * @private\r
-        */\r
-       function wasPreviouslyAuthenticated()\r
-               {\r
-               phpCAS::traceBegin();\r
-               \r
-               if ( $this->isCallbackMode() ) {\r
-                       $this->callback();\r
-               }\r
-               \r
-               $auth = FALSE;\r
-               \r
-               if ( $this->isProxy() ) {\r
-                       // CAS proxy: username and PGT must be present\r
-                       if ( $this->isSessionAuthenticated() && !empty($_SESSION['phpCAS']['pgt']) ) {\r
-                               // authentication already done\r
-                               $this->setUser($_SESSION['phpCAS']['user']);\r
-                               $this->setPGT($_SESSION['phpCAS']['pgt']);\r
-                               phpCAS::trace('user = `'.$_SESSION['phpCAS']['user'].'\', PGT = `'.$_SESSION['phpCAS']['pgt'].'\''); \r
-                               $auth = TRUE;\r
-                       } elseif ( $this->isSessionAuthenticated() && empty($_SESSION['phpCAS']['pgt']) ) {\r
-                               // these two variables should be empty or not empty at the same time\r
-                               phpCAS::trace('username found (`'.$_SESSION['phpCAS']['user'].'\') but PGT is empty');\r
-                               // unset all tickets to enforce authentication\r
-                               unset($_SESSION['phpCAS']);\r
-                               $this->setST('');\r
-                               $this->setPT('');\r
-                       } elseif ( !$this->isSessionAuthenticated() && !empty($_SESSION['phpCAS']['pgt']) ) {\r
-                               // these two variables should be empty or not empty at the same time\r
-                               phpCAS::trace('PGT found (`'.$_SESSION['phpCAS']['pgt'].'\') but username is empty'); \r
-                               // unset all tickets to enforce authentication\r
-                               unset($_SESSION['phpCAS']);\r
-                               $this->setST('');\r
-                               $this->setPT('');\r
-                       } else {\r
-                               phpCAS::trace('neither user not PGT found'); \r
-                       }\r
-               } else {\r
-                       // `simple' CAS client (not a proxy): username must be present\r
-                       if ( $this->isSessionAuthenticated() ) {\r
-                               // authentication already done\r
-                               $this->setUser($_SESSION['phpCAS']['user']);\r
-                               phpCAS::trace('user = `'.$_SESSION['phpCAS']['user'].'\''); \r
-                               $auth = TRUE;\r
-                       } else {\r
-                               phpCAS::trace('no user found');\r
-                       }\r
-               }\r
-               \r
-               phpCAS::traceEnd($auth);\r
-               return $auth;\r
-               }\r
-       \r
-       /**\r
-        * This method is used to redirect the client to the CAS server.\r
-        * It is used by CASClient::forceAuthentication() and CASClient::checkAuthentication().\r
-        * @param $gateway true to check authentication, false to force it\r
-        * @param $renew true to force the authentication with the CAS server\r
-        * @public\r
-        */\r
-       function redirectToCas($gateway=false,$renew=false){\r
-               phpCAS::traceBegin();\r
-               $cas_url = $this->getServerLoginURL($gateway,$renew);\r
-               header('Location: '.$cas_url);\r
-               phpCAS::log( "Redirect to : ".$cas_url );\r
-               \r
-               $this->printHTMLHeader($this->getString(CAS_STR_AUTHENTICATION_WANTED));\r
-               \r
-               printf('<p>'.$this->getString(CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED).'</p>',$cas_url);\r
-               $this->printHTMLFooter();\r
-               phpCAS::traceExit();\r
-               exit();\r
-       }\r
-\r
-//     /**\r
-//      * This method is used to logout from CAS.\r
-//      * @param $url a URL that will be transmitted to the CAS server (to come back to when logged out)\r
-//      * @public\r
-//      */\r
-//     function logout($url = "") {\r
-//             phpCAS::traceBegin();\r
-//             $cas_url = $this->getServerLogoutURL();\r
-//             // v0.4.14 sebastien.gougeon at univ-rennes1.fr\r
-//             // header('Location: '.$cas_url);\r
-//             if ( $url != "" ) {\r
-//                     // Adam Moore 1.0.0RC2\r
-//                     $url = '?service=' . $url . '&url=' . $url;\r
-//             }\r
-//             header('Location: '.$cas_url . $url);\r
-//             session_unset();\r
-//             session_destroy();\r
-//             $this->printHTMLHeader($this->getString(CAS_STR_LOGOUT));\r
-//             printf('<p>'.$this->getString(CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED).'</p>',$cas_url);\r
-//             $this->printHTMLFooter();\r
-//             phpCAS::traceExit();\r
-//             exit();\r
-//     }\r
-       \r
-       /**\r
-        * This method is used to logout from CAS.\r
-        * @params $params an array that contains the optional url and service parameters that will be passed to the CAS server\r
-        * @public\r
-        */\r
-       function logout($params) {\r
-               phpCAS::traceBegin();\r
-               $cas_url = $this->getServerLogoutURL();\r
-               $paramSeparator = '?';\r
-               if (isset($params['url'])) {\r
-                       $cas_url = $cas_url . $paramSeparator . "url=" . urlencode($params['url']); \r
-                       $paramSeparator = '&';\r
-               }\r
-               if (isset($params['service'])) {\r
-                       $cas_url = $cas_url . $paramSeparator . "service=" . urlencode($params['service']); \r
-               }\r
-               header('Location: '.$cas_url);\r
-               session_unset();\r
-               session_destroy();\r
-               $this->printHTMLHeader($this->getString(CAS_STR_LOGOUT));\r
-               printf('<p>'.$this->getString(CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED).'</p>',$cas_url);\r
-               $this->printHTMLFooter();\r
-               phpCAS::traceExit();\r
-               exit();\r
-       }\r
-       \r
-       /**\r
-        * @return true if the current request is a logout request.\r
-        * @private\r
-        */\r
-       function isLogoutRequest() {\r
-               return !empty($_POST['logoutRequest']);\r
-       }\r
-       \r
-       /**\r
-        * @return true if a logout request is allowed.\r
-        * @private\r
-        */\r
-       function isLogoutRequestAllowed() {\r
-       }\r
-       \r
-       /**\r
-        * This method handles logout requests.\r
-        * @param $check_client true to check the client bofore handling the request, \r
-        * false not to perform any access control. True by default.\r
-        * @param $allowed_clients an array of host names allowed to send logout requests. \r
-        * By default, only the CAs server (declared in the constructor) will be allowed.\r
-        * @public\r
-        */\r
-       function handleLogoutRequests($check_client=true, $allowed_clients=false) {\r
-               phpCAS::traceBegin();\r
-               if (!$this->isLogoutRequest()) {\r
-                       phpCAS::log("Not a logout request");\r
-                       phpCAS::traceEnd();\r
-                       return;\r
-               }\r
-               phpCAS::log("Logout requested");\r
-               phpCAS::log("SAML REQUEST: ".$_POST['logoutRequest']);\r
-               if ($check_client) {\r
-                       if (!$allowed_clients) {\r
-                               $allowed_clients = array( $this->getServerHostname() ); \r
-                       }\r
-                       $client_ip = $_SERVER['REMOTE_ADDR'];\r
-                       $client = gethostbyaddr($client_ip);\r
-                       phpCAS::log("Client: ".$client);\r
-                       $allowed = false;\r
-                       foreach ($allowed_clients as $allowed_client) {\r
-                               if ($client == $allowed_client) {\r
-                                       phpCAS::log("Allowed client '".$allowed_client."' matches, logout request is allowed");\r
-                                       $allowed = true;\r
-                                       break;\r
-                               } else {\r
-                                       phpCAS::log("Allowed client '".$allowed_client."' does not match");\r
-                               }\r
-                       }\r
-                       if (!$allowed) {\r
-                               phpCAS::error("Unauthorized logout request from client '".$client."'");\r
-                           printf("Unauthorized!");\r
-                               phpCAS::traceExit();\r
-                               exit();\r
-                       }\r
-               } else {\r
-                       phpCAS::log("No access control set");\r
-               }\r
-               // Extract the ticket from the SAML Request\r
-               preg_match("|<samlp:SessionIndex>(.*)</samlp:SessionIndex>|", $_POST['logoutRequest'], $tick, PREG_OFFSET_CAPTURE, 3);\r
-               $wrappedSamlSessionIndex = preg_replace('|<samlp:SessionIndex>|','',$tick[0][0]);\r
-               $ticket2logout = preg_replace('|</samlp:SessionIndex>|','',$wrappedSamlSessionIndex);\r
-               phpCAS::log("Ticket to logout: ".$ticket2logout);\r
-               $session_id = preg_replace('/[^\w]/','',$ticket2logout);\r
-               phpCAS::log("Session id: ".$session_id);\r
-\r
-               // fix New session ID\r
-               session_id($session_id);\r
-               $_COOKIE[session_name()]=$session_id;\r
-               $_GET[session_name()]=$session_id;\r
-               \r
-               // Overwrite session\r
-               session_start();        \r
-               session_unset();\r
-           session_destroy();\r
-           printf("Disconnected!");\r
-               phpCAS::traceExit();\r
-               exit();\r
-       }\r
-       \r
-       /** @} */\r
-       \r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       // XX                                                                    XX\r
-       // XX                  BASIC CLIENT FEATURES (CAS 1.0)                   XX\r
-       // XX                                                                    XX\r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       \r
-       // ########################################################################\r
-       //  ST\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalBasic\r
-        * @{\r
-        */  \r
-       \r
-       /**\r
-        * the Service Ticket provided in the URL of the request if present\r
-        * (empty otherwise). Written by CASClient::CASClient(), read by \r
-        * CASClient::getST() and CASClient::hasPGT().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_st = '';\r
-       \r
-       /**\r
-        * This method returns the Service Ticket provided in the URL of the request.\r
-        * @return The service ticket.\r
-        * @private\r
-        */\r
-       function getST()\r
-               { return $this->_st; }\r
-       \r
-       /**\r
-        * This method stores the Service Ticket.\r
-        * @param $st The Service Ticket.\r
-        * @private\r
-        */\r
-       function setST($st)\r
-               { $this->_st = $st; }\r
-       \r
-       /**\r
-        * This method tells if a Service Ticket was stored.\r
-        * @return TRUE if a Service Ticket has been stored.\r
-        * @private\r
-        */\r
-       function hasST()\r
-               { return !empty($this->_st); }\r
-       \r
-       /** @} */\r
-       \r
-       // ########################################################################\r
-       //  ST VALIDATION\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalBasic\r
-        * @{\r
-        */  \r
-       \r
-       /**\r
-        * the certificate of the CAS server.\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_cas_server_cert = '';\r
-       \r
-       /**\r
-        * the certificate of the CAS server CA.\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_cas_server_ca_cert = '';\r
-       \r
-       /**\r
-        * Set to true not to validate the CAS server.\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_no_cas_server_validation = false;\r
-       \r
-       /**\r
-        * Set the certificate of the CAS server.\r
-        *\r
-        * @param $cert the PEM certificate\r
-        */\r
-       function setCasServerCert($cert)\r
-               {\r
-               $this->_cas_server_cert = $cert;\r
-               }\r
-       \r
-       /**\r
-        * Set the CA certificate of the CAS server.\r
-        *\r
-        * @param $cert the PEM certificate of the CA that emited the cert of the server\r
-        */\r
-       function setCasServerCACert($cert)\r
-               {\r
-               $this->_cas_server_ca_cert = $cert;\r
-               }\r
-       \r
-       /**\r
-        * Set no SSL validation for the CAS server.\r
-        */\r
-       function setNoCasServerValidation()\r
-               {\r
-               $this->_no_cas_server_validation = true;\r
-               }\r
-       \r
-       /**\r
-        * This method is used to validate a ST; halt on failure, and sets $validate_url,\r
-        * $text_reponse and $tree_response on success. These parameters are used later\r
-        * by CASClient::validatePGT() for CAS proxies.\r
-        * \r
-        * @param $validate_url the URL of the request to the CAS server.\r
-        * @param $text_response the response of the CAS server, as is (XML text).\r
-        * @param $tree_response the response of the CAS server, as a DOM XML tree.\r
-        *\r
-        * @return bool TRUE when successfull, halt otherwise by calling CASClient::authError().\r
-        *\r
-        * @private\r
-        */\r
-       function validateST($validate_url,&$text_response,&$tree_response)\r
-               {\r
-               phpCAS::traceBegin();\r
-               // build the URL to validate the ticket\r
-               $validate_url = $this->getServerServiceValidateURL().'&ticket='.$this->getST();\r
-               if ( $this->isProxy() ) {\r
-                       // pass the callback url for CAS proxies\r
-                       $validate_url .= '&pgtUrl='.$this->getCallbackURL();\r
-               }\r
-               \r
-               // open and read the URL\r
-               if ( !$this->readURL($validate_url,''/*cookies*/,$headers,$text_response,$err_msg) ) {\r
-                       phpCAS::trace('could not open URL \''.$validate_url.'\' to validate ('.$err_msg.')');\r
-                       $this->authError('ST not validated',\r
-                               $validate_url,\r
-                               TRUE/*$no_response*/);\r
-               }\r
-               \r
-               // analyze the result depending on the version\r
-               switch ($this->getServerVersion()) {\r
-                       case CAS_VERSION_1_0:\r
-                               if (preg_match('/^no\n/',$text_response)) {\r
-                                       phpCAS::trace('ST has not been validated');\r
-                                       $this->authError('ST not validated',\r
-                                               $validate_url,\r
-                                               FALSE/*$no_response*/,\r
-                                               FALSE/*$bad_response*/,\r
-                                               $text_response);\r
-                               }\r
-                               if (!preg_match('/^yes\n/',$text_response)) {\r
-                                       phpCAS::trace('ill-formed response');\r
-                                       $this->authError('ST not validated',\r
-                                               $validate_url,\r
-                                               FALSE/*$no_response*/,\r
-                                               TRUE/*$bad_response*/,\r
-                                               $text_response);\r
-                               }\r
-                               // ST has been validated, extract the user name\r
-                               $arr = preg_split('/\n/',$text_response);\r
-                               $this->setUser(trim($arr[1]));\r
-                               break;\r
-                       case CAS_VERSION_2_0:\r
-                               // read the response of the CAS server into a DOM object\r
-                               if ( !($dom = domxml_open_mem($text_response))) {\r
-                                       phpCAS::trace('domxml_open_mem() failed');\r
-                                       $this->authError('ST not validated',\r
-                                               $validate_url,\r
-                                               FALSE/*$no_response*/,\r
-                                               TRUE/*$bad_response*/,\r
-                                               $text_response);\r
-                               }\r
-                               // read the root node of the XML tree\r
-                               if ( !($tree_response = $dom->document_element()) ) {\r
-                                       phpCAS::trace('document_element() failed');\r
-                                       $this->authError('ST not validated',\r
-                                               $validate_url,\r
-                                               FALSE/*$no_response*/,\r
-                                               TRUE/*$bad_response*/,\r
-                                               $text_response);\r
-                               }\r
-                               // insure that tag name is 'serviceResponse'\r
-                               if ( $tree_response->node_name() != 'serviceResponse' ) {\r
-                                       phpCAS::trace('bad XML root node (should be `serviceResponse\' instead of `'.$tree_response->node_name().'\'');\r
-                                       $this->authError('ST not validated',\r
-                                               $validate_url,\r
-                                               FALSE/*$no_response*/,\r
-                                               TRUE/*$bad_response*/,\r
-                                               $text_response);\r
-                               }\r
-                               if ( sizeof($success_elements = $tree_response->get_elements_by_tagname("authenticationSuccess")) != 0) {\r
-                                       // authentication succeded, extract the user name\r
-                                       if ( sizeof($user_elements = $success_elements[0]->get_elements_by_tagname("user")) == 0) {\r
-                                               phpCAS::trace('<authenticationSuccess> found, but no <user>');\r
-                                               $this->authError('ST not validated',\r
-                                                       $validate_url,\r
-                                                       FALSE/*$no_response*/,\r
-                                                       TRUE/*$bad_response*/,\r
-                                                       $text_response);\r
-                                       }\r
-                                       $user = trim($user_elements[0]->get_content());\r
-                                       phpCAS::trace('user = `'.$user);\r
-                                       $this->setUser($user);\r
-                                       \r
-                               } else if ( sizeof($failure_elements = $tree_response->get_elements_by_tagname("authenticationFailure")) != 0) {\r
-                                       phpCAS::trace('<authenticationFailure> found');\r
-                                       // authentication failed, extract the error code and message\r
-                                       $this->authError('ST not validated',\r
-                                               $validate_url,\r
-                                               FALSE/*$no_response*/,\r
-                                               FALSE/*$bad_response*/,\r
-                                               $text_response,\r
-                                               $failure_elements[0]->get_attribute('code')/*$err_code*/,\r
-                                               trim($failure_elements[0]->get_content())/*$err_msg*/);\r
-                               } else {\r
-                                       phpCAS::trace('neither <authenticationSuccess> nor <authenticationFailure> found');\r
-                                       $this->authError('ST not validated',\r
-                                               $validate_url,\r
-                                               FALSE/*$no_response*/,\r
-                                               TRUE/*$bad_response*/,\r
-                                               $text_response);\r
-                               }\r
-                               break;\r
-               }\r
-               \r
-               // at this step, ST has been validated and $this->_user has been set,\r
-               phpCAS::traceEnd(TRUE);\r
-               return TRUE;\r
-               }\r
-       \r
-       /** @} */\r
-       \r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       // XX                                                                    XX\r
-       // XX                     PROXY FEATURES (CAS 2.0)                       XX\r
-       // XX                                                                    XX\r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       \r
-       // ########################################################################\r
-       //  PROXYING\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalProxy\r
-        * @{\r
-        */\r
-       \r
-       /**\r
-        * A boolean telling if the client is a CAS proxy or not. Written by CASClient::CASClient(), \r
-        * read by CASClient::isProxy().\r
-        *\r
-        * @private\r
-        */\r
-       var $_proxy;\r
-       \r
-       /**\r
-        * Tells if a CAS client is a CAS proxy or not\r
-        *\r
-        * @return TRUE when the CAS client is a CAs proxy, FALSE otherwise\r
-        *\r
-        * @private\r
-        */\r
-       function isProxy()\r
-               {\r
-               return $this->_proxy;\r
-               }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  PGT\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalProxy\r
-        * @{\r
-        */  \r
-       \r
-       /**\r
-        * the Proxy Grnting Ticket given by the CAS server (empty otherwise). \r
-        * Written by CASClient::setPGT(), read by CASClient::getPGT() and CASClient::hasPGT().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_pgt = '';\r
-       \r
-       /**\r
-        * This method returns the Proxy Granting Ticket given by the CAS server.\r
-        * @return The Proxy Granting Ticket.\r
-        * @private\r
-        */\r
-       function getPGT()\r
-               { return $this->_pgt; }\r
-       \r
-       /**\r
-        * This method stores the Proxy Granting Ticket.\r
-        * @param $pgt The Proxy Granting Ticket.\r
-        * @private\r
-        */\r
-       function setPGT($pgt)\r
-               { $this->_pgt = $pgt; }\r
-       \r
-       /**\r
-        * This method tells if a Proxy Granting Ticket was stored.\r
-        * @return TRUE if a Proxy Granting Ticket has been stored.\r
-        * @private\r
-        */\r
-       function hasPGT()\r
-               { return !empty($this->_pgt); }\r
-       \r
-       /** @} */\r
-       \r
-       // ########################################################################\r
-       //  CALLBACK MODE\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalCallback\r
-        * @{\r
-        */  \r
-       /**\r
-        * each PHP script using phpCAS in proxy mode is its own callback to get the\r
-        * PGT back from the CAS server. callback_mode is detected by the constructor\r
-        * thanks to the GET parameters.\r
-        */\r
-       \r
-       /**\r
-        * a boolean to know if the CAS client is running in callback mode. Written by\r
-        * CASClient::setCallBackMode(), read by CASClient::isCallbackMode().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_callback_mode = FALSE;\r
-       \r
-       /**\r
-        * This method sets/unsets callback mode.\r
-        *\r
-        * @param $callback_mode TRUE to set callback mode, FALSE otherwise.\r
-        *\r
-        * @private\r
-        */\r
-       function setCallbackMode($callback_mode)\r
-               {\r
-               $this->_callback_mode = $callback_mode;\r
-               }\r
-       \r
-       /**\r
-        * This method returns TRUE when the CAs client is running i callback mode, \r
-        * FALSE otherwise.\r
-        *\r
-        * @return A boolean.\r
-        *\r
-        * @private\r
-        */\r
-       function isCallbackMode()\r
-               {\r
-               return $this->_callback_mode;\r
-               }\r
-       \r
-       /**\r
-        * the URL that should be used for the PGT callback (in fact the URL of the \r
-        * current request without any CGI parameter). Written and read by \r
-        * CASClient::getCallbackURL().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_callback_url = '';\r
-       \r
-       /**\r
-        * This method returns the URL that should be used for the PGT callback (in\r
-        * fact the URL of the current request without any CGI parameter, except if\r
-        * phpCAS::setFixedCallbackURL() was used).\r
-        *\r
-        * @return The callback URL\r
-        *\r
-        * @private\r
-        */\r
-       function getCallbackURL()\r
-               {\r
-               // the URL is built when needed only\r
-               if ( empty($this->_callback_url) ) {\r
-                       $final_uri = '';\r
-                       // remove the ticket if present in the URL\r
-                       $final_uri = 'https://';\r
-                       /* replaced by Julien Marchal - v0.4.6\r
-                        * $this->uri .= $_SERVER['SERVER_NAME'];\r
-                        */\r
-                       if(empty($_SERVER['HTTP_X_FORWARDED_SERVER'])){\r
-                               /* replaced by teedog - v0.4.12\r
-                                * $final_uri .= $_SERVER['SERVER_NAME'];\r
-                                */\r
-                               if (empty($_SERVER['SERVER_NAME'])) {\r
-                                       $final_uri .= $_SERVER['HTTP_HOST'];\r
-                               } else {\r
-                                       $final_uri .= $_SERVER['SERVER_NAME'];\r
-                               }\r
-                       } else {\r
-                               $final_uri .= $_SERVER['HTTP_X_FORWARDED_SERVER'];\r
-                       }\r
-                       if ( ($this->isHttps() && $_SERVER['SERVER_PORT']!=443)\r
-                                       || (!$this->isHttps() && $_SERVER['SERVER_PORT']!=80) ) {\r
-                               $final_uri .= ':';\r
-                               $final_uri .= $_SERVER['SERVER_PORT'];\r
-                       }\r
-                       $request_uri = $_SERVER['REQUEST_URI'];\r
-                       $request_uri = preg_replace('/\?.*$/','',$request_uri);\r
-                       $final_uri .= $request_uri;\r
-                       $this->setCallbackURL($final_uri);\r
-               }\r
-               return $this->_callback_url;\r
-               }\r
-       \r
-       /**\r
-        * This method sets the callback url.\r
-        *\r
-        * @param $callback_url url to set callback \r
-        *\r
-        * @private\r
-        */\r
-       function setCallbackURL($url)\r
-               {\r
-               return $this->_callback_url = $url;\r
-               }\r
-       \r
-       /**\r
-        * This method is called by CASClient::CASClient() when running in callback\r
-        * mode. It stores the PGT and its PGT Iou, prints its output and halts.\r
-        *\r
-        * @private\r
-        */\r
-       function callback()\r
-               {\r
-               phpCAS::traceBegin();\r
-               $this->printHTMLHeader('phpCAS callback');\r
-               $pgt_iou = $_GET['pgtIou'];\r
-               $pgt = $_GET['pgtId'];\r
-               phpCAS::trace('Storing PGT `'.$pgt.'\' (id=`'.$pgt_iou.'\')');\r
-               echo '<p>Storing PGT `'.$pgt.'\' (id=`'.$pgt_iou.'\').</p>';\r
-               $this->storePGT($pgt,$pgt_iou);\r
-               $this->printHTMLFooter();\r
-               phpCAS::traceExit();\r
-               }\r
-       \r
-       /** @} */\r
-       \r
-       // ########################################################################\r
-       //  PGT STORAGE\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalPGTStorage\r
-        * @{\r
-        */  \r
-       \r
-       /**\r
-        * an instance of a class inheriting of PGTStorage, used to deal with PGT\r
-        * storage. Created by CASClient::setPGTStorageFile() or CASClient::setPGTStorageDB(), used \r
-        * by CASClient::setPGTStorageFile(), CASClient::setPGTStorageDB() and CASClient::initPGTStorage().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_pgt_storage = null;\r
-       \r
-       /**\r
-        * This method is used to initialize the storage of PGT's.\r
-        * Halts on error.\r
-        *\r
-        * @private\r
-        */\r
-       function initPGTStorage()\r
-               {\r
-               // if no SetPGTStorageXxx() has been used, default to file\r
-               if ( !is_object($this->_pgt_storage) ) {\r
-                       $this->setPGTStorageFile();\r
-               }\r
-               \r
-               // initializes the storage\r
-               $this->_pgt_storage->init();\r
-               }\r
-       \r
-       /**\r
-        * This method stores a PGT. Halts on error.\r
-        *\r
-        * @param $pgt the PGT to store\r
-        * @param $pgt_iou its corresponding Iou\r
-        *\r
-        * @private\r
-        */\r
-       function storePGT($pgt,$pgt_iou)\r
-               {\r
-               // ensure that storage is initialized\r
-               $this->initPGTStorage();\r
-               // writes the PGT\r
-               $this->_pgt_storage->write($pgt,$pgt_iou);\r
-               }\r
-       \r
-       /**\r
-        * This method reads a PGT from its Iou and deletes the corresponding storage entry.\r
-        *\r
-        * @param $pgt_iou the PGT Iou\r
-        *\r
-        * @return The PGT corresponding to the Iou, FALSE when not found.\r
-        *\r
-        * @private\r
-        */\r
-       function loadPGT($pgt_iou)\r
-               {\r
-               // ensure that storage is initialized\r
-               $this->initPGTStorage();\r
-               // read the PGT\r
-               return $this->_pgt_storage->read($pgt_iou);\r
-               }\r
-       \r
-       /**\r
-        * This method is used to tell phpCAS to store the response of the\r
-        * CAS server to PGT requests onto the filesystem. \r
-        *\r
-        * @param $format the format used to store the PGT's (`plain' and `xml' allowed)\r
-        * @param $path the path where the PGT's should be stored\r
-        *\r
-        * @public\r
-        */\r
-       function setPGTStorageFile($format='',\r
-               $path='')\r
-               {\r
-               // check that the storage has not already been set\r
-               if ( is_object($this->_pgt_storage) ) {\r
-                       phpCAS::error('PGT storage already defined');\r
-               }\r
-               \r
-               // create the storage object\r
-               $this->_pgt_storage = &new PGTStorageFile($this,$format,$path);\r
-               }\r
-       \r
-       /**\r
-        * This method is used to tell phpCAS to store the response of the\r
-        * CAS server to PGT requests into a database. \r
-        * @note The connection to the database is done only when needed. \r
-        * As a consequence, bad parameters are detected only when \r
-        * initializing PGT storage.\r
-        *\r
-        * @param $user the user to access the data with\r
-        * @param $password the user's password\r
-        * @param $database_type the type of the database hosting the data\r
-        * @param $hostname the server hosting the database\r
-        * @param $port the port the server is listening on\r
-        * @param $database the name of the database\r
-        * @param $table the name of the table storing the data\r
-        *\r
-        * @public\r
-        */\r
-       function setPGTStorageDB($user,\r
-                                                        $password,\r
-                                                        $database_type,\r
-                                                        $hostname,\r
-                                                        $port,\r
-                                                        $database,\r
-                                                        $table)\r
-               {\r
-               // check that the storage has not already been set\r
-               if ( is_object($this->_pgt_storage) ) {\r
-                       phpCAS::error('PGT storage already defined');\r
-               }\r
-               \r
-               // warn the user that he should use file storage...\r
-               trigger_error('PGT storage into database is an experimental feature, use at your own risk',E_USER_WARNING);\r
-               \r
-               // create the storage object\r
-               $this->_pgt_storage = & new PGTStorageDB($this,$user,$password,$database_type,$hostname,$port,$database,$table);\r
-               }\r
-       \r
-       // ########################################################################\r
-       //  PGT VALIDATION\r
-       // ########################################################################\r
-       /**\r
-        * This method is used to validate a PGT; halt on failure.\r
-        * \r
-        * @param $validate_url the URL of the request to the CAS server.\r
-        * @param $text_response the response of the CAS server, as is (XML text); result\r
-        * of CASClient::validateST() or CASClient::validatePT().\r
-        * @param $tree_response the response of the CAS server, as a DOM XML tree; result\r
-        * of CASClient::validateST() or CASClient::validatePT().\r
-        *\r
-        * @return bool TRUE when successfull, halt otherwise by calling CASClient::authError().\r
-        *\r
-        * @private\r
-        */\r
-       function validatePGT(&$validate_url,$text_response,$tree_response)\r
-               {\r
-               phpCAS::traceBegin();\r
-               if ( sizeof($arr = $tree_response->get_elements_by_tagname("proxyGrantingTicket")) == 0) {\r
-                       phpCAS::trace('<proxyGrantingTicket> not found');\r
-                       // authentication succeded, but no PGT Iou was transmitted\r
-                       $this->authError('Ticket validated but no PGT Iou transmitted',\r
-                               $validate_url,\r
-                               FALSE/*$no_response*/,\r
-                               FALSE/*$bad_response*/,\r
-                               $text_response);\r
-               } else {\r
-                       // PGT Iou transmitted, extract it\r
-                       $pgt_iou = trim($arr[0]->get_content());\r
-                       $pgt = $this->loadPGT($pgt_iou);\r
-                       if ( $pgt == FALSE ) {\r
-                               phpCAS::trace('could not load PGT');\r
-                               $this->authError('PGT Iou was transmitted but PGT could not be retrieved',\r
-                                       $validate_url,\r
-                                       FALSE/*$no_response*/,\r
-                                       FALSE/*$bad_response*/,\r
-                                       $text_response);\r
-                       }\r
-                       $this->setPGT($pgt);\r
-               }\r
-               phpCAS::traceEnd(TRUE);\r
-               return TRUE;\r
-               }\r
-       \r
-       // ########################################################################\r
-       //  PGT VALIDATION\r
-       // ########################################################################\r
-       \r
-       /**\r
-        * This method is used to retrieve PT's from the CAS server thanks to a PGT.\r
-        * \r
-        * @param $target_service the service to ask for with the PT.\r
-        * @param $err_code an error code (PHPCAS_SERVICE_OK on success).\r
-        * @param $err_msg an error message (empty on success).\r
-        *\r
-        * @return a Proxy Ticket, or FALSE on error.\r
-        *\r
-        * @private\r
-        */\r
-       function retrievePT($target_service,&$err_code,&$err_msg)\r
-               {\r
-               phpCAS::traceBegin();\r
-               \r
-               // by default, $err_msg is set empty and $pt to TRUE. On error, $pt is\r
-               // set to false and $err_msg to an error message. At the end, if $pt is FALSE \r
-               // and $error_msg is still empty, it is set to 'invalid response' (the most\r
-               // commonly encountered error).\r
-               $err_msg = '';\r
-               \r
-               // build the URL to retrieve the PT\r
-               //      $cas_url = $this->getServerProxyURL().'?targetService='.preg_replace('/&/','%26',$target_service).'&pgt='.$this->getPGT();\r
-               $cas_url = $this->getServerProxyURL().'?targetService='.urlencode($target_service).'&pgt='.$this->getPGT();\r
-               \r
-               // open and read the URL\r
-               if ( !$this->readURL($cas_url,''/*cookies*/,$headers,$cas_response,$err_msg) ) {\r
-                       phpCAS::trace('could not open URL \''.$cas_url.'\' to validate ('.$err_msg.')');\r
-                       $err_code = PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE;\r
-                       $err_msg = 'could not retrieve PT (no response from the CAS server)';\r
-                       phpCAS::traceEnd(FALSE);\r
-                       return FALSE;\r
-               }\r
-               \r
-               $bad_response = FALSE;\r
-               \r
-               if ( !$bad_response ) {\r
-                       // read the response of the CAS server into a DOM object\r
-                       if ( !($dom = @domxml_open_mem($cas_response))) {\r
-                               phpCAS::trace('domxml_open_mem() failed');\r
-                               // read failed\r
-                               $bad_response = TRUE;\r
-                       } \r
-               }\r
-               \r
-               if ( !$bad_response ) {\r
-                       // read the root node of the XML tree\r
-                       if ( !($root = $dom->document_element()) ) {\r
-                               phpCAS::trace('document_element() failed');\r
-                               // read failed\r
-                               $bad_response = TRUE;\r
-                       } \r
-               }\r
-               \r
-               if ( !$bad_response ) {\r
-                       // insure that tag name is 'serviceResponse'\r
-                       if ( $root->node_name() != 'serviceResponse' ) {\r
-                               phpCAS::trace('node_name() failed');\r
-                               // bad root node\r
-                               $bad_response = TRUE;\r
-                       } \r
-               }\r
-               \r
-               if ( !$bad_response ) {\r
-                       // look for a proxySuccess tag\r
-                       if ( sizeof($arr = $root->get_elements_by_tagname("proxySuccess")) != 0) {\r
-                               // authentication succeded, look for a proxyTicket tag\r
-                               if ( sizeof($arr = $root->get_elements_by_tagname("proxyTicket")) != 0) {\r
-                                       $err_code = PHPCAS_SERVICE_OK;\r
-                                       $err_msg = '';\r
-                                       phpCAS::trace('original PT: '.trim($arr[0]->get_content()));\r
-                                       $pt = trim($arr[0]->get_content());\r
-                                       phpCAS::traceEnd($pt);\r
-                                       return $pt;\r
-                               } else {\r
-                                       phpCAS::trace('<proxySuccess> was found, but not <proxyTicket>');\r
-                               }\r
-                       } \r
-                       // look for a proxyFailure tag\r
-                       else if ( sizeof($arr = $root->get_elements_by_tagname("proxyFailure")) != 0) {\r
-                               // authentication failed, extract the error\r
-                               $err_code = PHPCAS_SERVICE_PT_FAILURE;\r
-                               $err_msg = 'PT retrieving failed (code=`'\r
-                                       .$arr[0]->get_attribute('code')\r
-                                       .'\', message=`'\r
-                                       .trim($arr[0]->get_content())\r
-                                       .'\')';\r
-                               phpCAS::traceEnd(FALSE);\r
-                               return FALSE;\r
-                       } else {\r
-                               phpCAS::trace('neither <proxySuccess> nor <proxyFailure> found');\r
-                       }\r
-               }\r
-               \r
-               // at this step, we are sure that the response of the CAS server was ill-formed\r
-               $err_code = PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE;\r
-               $err_msg = 'Invalid response from the CAS server (response=`'.$cas_response.'\')';\r
-               \r
-               phpCAS::traceEnd(FALSE);\r
-               return FALSE;\r
-               }\r
-       \r
-       // ########################################################################\r
-       // ACCESS TO EXTERNAL SERVICES\r
-       // ########################################################################\r
-       \r
-       /**\r
-        * This method is used to acces a remote URL.\r
-        *\r
-        * @param $url the URL to access.\r
-        * @param $cookies an array containing cookies strings such as 'name=val'\r
-        * @param $headers an array containing the HTTP header lines of the response\r
-        * (an empty array on failure).\r
-        * @param $body the body of the response, as a string (empty on failure).\r
-        * @param $err_msg an error message, filled on failure.\r
-        *\r
-        * @return TRUE on success, FALSE otherwise (in this later case, $err_msg\r
-        * contains an error message).\r
-        *\r
-        * @private\r
-        */\r
-       function readURL($url,$cookies,&$headers,&$body,&$err_msg)\r
-               {\r
-               phpCAS::traceBegin();\r
-               $headers = '';\r
-               $body = '';\r
-               $err_msg = '';\r
-               \r
-               $res = TRUE;\r
-               \r
-               // initialize the CURL session\r
-               $ch = curl_init($url);\r
-               \r
-               if (version_compare(PHP_VERSION,'5.1.3','>=')) {\r
-                       //only avaible in php5\r
-                       curl_setopt_array($ch, $this->_curl_options);\r
-               } else {\r
-                       foreach ($this->_curl_options as $key => $value) {\r
-                               curl_setopt($ch, $key, $value);\r
-                       }\r
-               }\r
-\r
-               if ($this->_cas_server_cert == '' && $this->_cas_server_ca_cert == '' && !$this->_no_cas_server_validation) {\r
-                       phpCAS::error('one of the methods phpCAS::setCasServerCert(), phpCAS::setCasServerCACert() or phpCAS::setNoCasServerValidation() must be called.');\r
-               }\r
-               if ($this->_cas_server_cert != '' ) {\r
-                       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);\r
-                       curl_setopt($ch, CURLOPT_SSLCERT, $this->_cas_server_cert);\r
-               } else if ($this->_cas_server_ca_cert != '') {\r
-                       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);\r
-                       curl_setopt($ch, CURLOPT_CAINFO, $this->_cas_server_ca_cert);\r
-               } else {\r
-                       curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);\r
-                       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);\r
-               }\r
-               \r
-               // return the CURL output into a variable\r
-               curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);\r
-               // get the HTTP header with a callback\r
-               $this->_curl_headers = array(); // empty the headers array\r
-               curl_setopt($ch, CURLOPT_HEADERFUNCTION, array($this, '_curl_read_headers'));\r
-               // add cookies headers\r
-               if ( is_array($cookies) ) {\r
-                       curl_setopt($ch,CURLOPT_COOKIE,implode(';',$cookies));\r
-               }\r
-               // perform the query\r
-               $buf = curl_exec ($ch);\r
-               if ( $buf === FALSE ) {\r
-                       phpCAS::trace('curl_exec() failed');\r
-                       $err_msg = 'CURL error #'.curl_errno($ch).': '.curl_error($ch);\r
-                       // close the CURL session\r
-                       curl_close ($ch);\r
-                       $res = FALSE;\r
-               } else {\r
-                       // close the CURL session\r
-                       curl_close ($ch);\r
-                       \r
-                       $headers = $this->_curl_headers;\r
-                       $body = $buf;\r
-               }\r
-               \r
-               phpCAS::traceEnd($res);\r
-               return $res;\r
-       }\r
-       \r
-       /**\r
-        * This method is the callback used by readURL method to request HTTP headers.\r
-        */\r
-       var $_curl_headers = array();\r
-       function _curl_read_headers($ch, $header)\r
-       {\r
-               $this->_curl_headers[] = $header;\r
-               return strlen($header);\r
-       }\r
-\r
-       /**\r
-        * This method is used to access an HTTP[S] service.\r
-        * \r
-        * @param $url the service to access.\r
-        * @param $err_code an error code Possible values are PHPCAS_SERVICE_OK (on\r
-        * success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,\r
-        * PHPCAS_SERVICE_PT_FAILURE, PHPCAS_SERVICE_NOT AVAILABLE.\r
-        * @param $output the output of the service (also used to give an error\r
-        * message on failure).\r
-        *\r
-        * @return TRUE on success, FALSE otherwise (in this later case, $err_code\r
-        * gives the reason why it failed and $output contains an error message).\r
-        *\r
-        * @public\r
-        */\r
-       function serviceWeb($url,&$err_code,&$output)\r
-               {\r
-               phpCAS::traceBegin();\r
-               // at first retrieve a PT\r
-               $pt = $this->retrievePT($url,$err_code,$output);\r
-               \r
-               $res = TRUE;\r
-               \r
-               // test if PT was retrieved correctly\r
-               if ( !$pt ) {\r
-                       // note: $err_code and $err_msg are filled by CASClient::retrievePT()\r
-                       phpCAS::trace('PT was not retrieved correctly');\r
-                       $res = FALSE;\r
-               } else {\r
-                       // add cookies if necessary\r
-                       if ( is_array($_SESSION['phpCAS']['services'][$url]['cookies']) ) {\r
-                               foreach ( $_SESSION['phpCAS']['services'][$url]['cookies'] as $name => $val ) { \r
-                                       $cookies[] = $name.'='.$val;\r
-                               }\r
-                       }\r
-                       \r
-                       // build the URL including the PT\r
-                       if ( strstr($url,'?') === FALSE ) {\r
-                               $service_url = $url.'?ticket='.$pt;\r
-                       } else {\r
-                               $service_url = $url.'&ticket='.$pt;\r
-                       }\r
-                       \r
-                       phpCAS::trace('reading URL`'.$service_url.'\'');\r
-                       if ( !$this->readURL($service_url,$cookies,$headers,$output,$err_msg) ) {\r
-                               phpCAS::trace('could not read URL`'.$service_url.'\'');\r
-                               $err_code = PHPCAS_SERVICE_NOT_AVAILABLE;\r
-                               // give an error message\r
-                               $output = sprintf($this->getString(CAS_STR_SERVICE_UNAVAILABLE),\r
-                                       $service_url,\r
-                                       $err_msg);\r
-                               $res = FALSE;\r
-                       } else {\r
-                               // URL has been fetched, extract the cookies\r
-                               phpCAS::trace('URL`'.$service_url.'\' has been read, storing cookies:');\r
-                               foreach ( $headers as $header ) {\r
-                                       // test if the header is a cookie\r
-                                       if ( preg_match('/^Set-Cookie:/',$header) ) {\r
-                                               // the header is a cookie, remove the beginning\r
-                                               $header_val = preg_replace('/^Set-Cookie: */','',$header);\r
-                                               // extract interesting information\r
-                                               $name_val = strtok($header_val,'; ');\r
-                                               // extract the name and the value of the cookie\r
-                                               $cookie_name = strtok($name_val,'=');\r
-                                               $cookie_val = strtok('=');\r
-                                               // store the cookie \r
-                                               $_SESSION['phpCAS']['services'][$url]['cookies'][$cookie_name] = $cookie_val;\r
-                                               phpCAS::trace($cookie_name.' -> '.$cookie_val);\r
-                                       }\r
-                               }\r
-                       }\r
-               }\r
-               \r
-               phpCAS::traceEnd($res);\r
-               return $res;\r
-               }\r
-       \r
-       /**\r
-        * This method is used to access an IMAP/POP3/NNTP service.\r
-        * \r
-        * @param $url a string giving the URL of the service, including the mailing box\r
-        * for IMAP URLs, as accepted by imap_open().\r
-        * @param $flags options given to imap_open().\r
-        * @param $err_code an error code Possible values are PHPCAS_SERVICE_OK (on\r
-        * success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,\r
-        * PHPCAS_SERVICE_PT_FAILURE, PHPCAS_SERVICE_NOT AVAILABLE.\r
-        * @param $err_msg an error message on failure\r
-        * @param $pt the Proxy Ticket (PT) retrieved from the CAS server to access the URL\r
-        * on success, FALSE on error).\r
-        *\r
-        * @return an IMAP stream on success, FALSE otherwise (in this later case, $err_code\r
-        * gives the reason why it failed and $err_msg contains an error message).\r
-        *\r
-        * @public\r
-        */\r
-       function serviceMail($url,$flags,&$err_code,&$err_msg,&$pt)\r
-               {\r
-               phpCAS::traceBegin();\r
-               // at first retrieve a PT\r
-               $pt = $this->retrievePT($target_service,$err_code,$output);\r
-               \r
-               $stream = FALSE;\r
-               \r
-               // test if PT was retrieved correctly\r
-               if ( !$pt ) {\r
-                       // note: $err_code and $err_msg are filled by CASClient::retrievePT()\r
-                       phpCAS::trace('PT was not retrieved correctly');\r
-               } else {\r
-                       phpCAS::trace('opening IMAP URL `'.$url.'\'...');\r
-                       $stream = @imap_open($url,$this->getUser(),$pt,$flags);\r
-                       if ( !$stream ) {\r
-                               phpCAS::trace('could not open URL');\r
-                               $err_code = PHPCAS_SERVICE_NOT_AVAILABLE;\r
-                               // give an error message\r
-                               $err_msg = sprintf($this->getString(CAS_STR_SERVICE_UNAVAILABLE),\r
-                                       $service_url,\r
-                                       var_export(imap_errors(),TRUE));\r
-                               $pt = FALSE;\r
-                               $stream = FALSE;\r
-                       } else {\r
-                               phpCAS::trace('ok');\r
-                       }\r
-               }\r
-               \r
-               phpCAS::traceEnd($stream);\r
-               return $stream;\r
-               }\r
-       \r
-       /** @} */\r
-       \r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       // XX                                                                    XX\r
-       // XX                  PROXIED CLIENT FEATURES (CAS 2.0)                 XX\r
-       // XX                                                                    XX\r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       \r
-       // ########################################################################\r
-       //  PT\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalProxied\r
-        * @{\r
-        */  \r
-       \r
-       /**\r
-        * the Proxy Ticket provided in the URL of the request if present\r
-        * (empty otherwise). Written by CASClient::CASClient(), read by \r
-        * CASClient::getPT() and CASClient::hasPGT().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_pt = '';\r
-       \r
-       /**\r
-        * This method returns the Proxy Ticket provided in the URL of the request.\r
-        * @return The proxy ticket.\r
-        * @private\r
-        */\r
-       function getPT()\r
-               {\r
-               //      return 'ST'.substr($this->_pt, 2);\r
-               return $this->_pt;\r
-               }\r
-       \r
-       /**\r
-        * This method stores the Proxy Ticket.\r
-        * @param $pt The Proxy Ticket.\r
-        * @private\r
-        */\r
-       function setPT($pt)\r
-               { $this->_pt = $pt; }\r
-       \r
-       /**\r
-        * This method tells if a Proxy Ticket was stored.\r
-        * @return TRUE if a Proxy Ticket has been stored.\r
-        * @private\r
-        */\r
-       function hasPT()\r
-               { return !empty($this->_pt); }\r
-       \r
-       /** @} */\r
-       // ########################################################################\r
-       //  PT VALIDATION\r
-       // ########################################################################\r
-       /**\r
-        * @addtogroup internalProxied\r
-        * @{\r
-        */  \r
-       \r
-       /**\r
-        * This method is used to validate a PT; halt on failure\r
-        * \r
-        * @return bool TRUE when successfull, halt otherwise by calling CASClient::authError().\r
-        *\r
-        * @private\r
-        */\r
-       function validatePT(&$validate_url,&$text_response,&$tree_response)\r
-               {\r
-               phpCAS::traceBegin();\r
-               // build the URL to validate the ticket\r
-               $validate_url = $this->getServerProxyValidateURL().'&ticket='.$this->getPT();\r
-               \r
-               if ( $this->isProxy() ) {\r
-                       // pass the callback url for CAS proxies\r
-                       $validate_url .= '&pgtUrl='.$this->getCallbackURL();\r
-               }\r
-               \r
-               // open and read the URL\r
-               if ( !$this->readURL($validate_url,''/*cookies*/,$headers,$text_response,$err_msg) ) {\r
-                       phpCAS::trace('could not open URL \''.$validate_url.'\' to validate ('.$err_msg.')');\r
-                       $this->authError('PT not validated',\r
-                               $validate_url,\r
-                               TRUE/*$no_response*/);\r
-               }\r
-               \r
-               // read the response of the CAS server into a DOM object\r
-               if ( !($dom = domxml_open_mem($text_response))) {\r
-                       // read failed\r
-                       $this->authError('PT not validated',\r
-                               $validate_url,\r
-                               FALSE/*$no_response*/,\r
-                               TRUE/*$bad_response*/,\r
-                               $text_response);\r
-               }\r
-               // read the root node of the XML tree\r
-               if ( !($tree_response = $dom->document_element()) ) {\r
-                       // read failed\r
-                       $this->authError('PT not validated',\r
-                               $validate_url,\r
-                               FALSE/*$no_response*/,\r
-                               TRUE/*$bad_response*/,\r
-                               $text_response);\r
-               }\r
-               // insure that tag name is 'serviceResponse'\r
-               if ( $tree_response->node_name() != 'serviceResponse' ) {\r
-                       // bad root node\r
-                       $this->authError('PT not validated',\r
-                               $validate_url,\r
-                               FALSE/*$no_response*/,\r
-                               TRUE/*$bad_response*/,\r
-                               $text_response);\r
-               }\r
-               if ( sizeof($arr = $tree_response->get_elements_by_tagname("authenticationSuccess")) != 0) {\r
-                       // authentication succeded, extract the user name\r
-                       if ( sizeof($arr = $tree_response->get_elements_by_tagname("user")) == 0) {\r
-                               // no user specified => error\r
-                               $this->authError('PT not validated',\r
-                                       $validate_url,\r
-                                       FALSE/*$no_response*/,\r
-                                       TRUE/*$bad_response*/,\r
-                                       $text_response);\r
-                       }\r
-                       $this->setUser(trim($arr[0]->get_content()));\r
-                       \r
-               } else if ( sizeof($arr = $tree_response->get_elements_by_tagname("authenticationFailure")) != 0) {\r
-                       // authentication succeded, extract the error code and message\r
-                       $this->authError('PT not validated',\r
-                               $validate_url,\r
-                               FALSE/*$no_response*/,\r
-                               FALSE/*$bad_response*/,\r
-                               $text_response,\r
-                               $arr[0]->get_attribute('code')/*$err_code*/,\r
-                               trim($arr[0]->get_content())/*$err_msg*/);\r
-               } else {\r
-                       $this->authError('PT not validated',\r
-                               $validate_url,  \r
-                               FALSE/*$no_response*/,\r
-                               TRUE/*$bad_response*/,\r
-                               $text_response);\r
-               }\r
-               \r
-               // at this step, PT has been validated and $this->_user has been set,\r
-               \r
-               phpCAS::traceEnd(TRUE);\r
-               return TRUE;\r
-               }\r
-       \r
-       /** @} */\r
-       \r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       // XX                                                                    XX\r
-       // XX                               MISC                                 XX\r
-       // XX                                                                    XX\r
-       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\r
-       \r
-       /**\r
-        * @addtogroup internalMisc\r
-        * @{\r
-        */  \r
-       \r
-       // ########################################################################\r
-       //  URL\r
-       // ########################################################################\r
-       /**\r
-        * the URL of the current request (without any ticket CGI parameter). Written \r
-        * and read by CASClient::getURL().\r
-        *\r
-        * @hideinitializer\r
-        * @private\r
-        */\r
-       var $_url = '';\r
-       \r
-       /**\r
-        * This method returns the URL of the current request (without any ticket\r
-        * CGI parameter).\r
-        *\r
-        * @return The URL\r
-        *\r
-        * @private\r
-        */\r
-       function getURL()\r
-               {\r
-               phpCAS::traceBegin();\r
-               // the URL is built when needed only\r
-               if ( empty($this->_url) ) {\r
-                       $final_uri = '';\r
-                       // remove the ticket if present in the URL\r
-                       $final_uri = ($this->isHttps()) ? 'https' : 'http';\r
-                       $final_uri .= '://';\r
-                       /* replaced by Julien Marchal - v0.4.6\r
-                        * $this->_url .= $_SERVER['SERVER_NAME'];\r
-                        */\r
-                       if(empty($_SERVER['HTTP_X_FORWARDED_SERVER'])){\r
-                               /* replaced by teedog - v0.4.12\r
-                                * $this->_url .= $_SERVER['SERVER_NAME'];\r
-                                */\r
-                               if (empty($_SERVER['SERVER_NAME'])) {\r
-                                       $server_name = $_SERVER['HTTP_HOST'];\r
-                               } else {\r
-                                       $server_name = $_SERVER['SERVER_NAME'];\r
-                               }\r
-                       } else {\r
-                               $server_name = $_SERVER['HTTP_X_FORWARDED_SERVER'];\r
-                       }\r
-                       $final_uri .= $server_name;\r
-                       if (!strpos($server_name, ':')) {\r
-                               if ( ($this->isHttps() && $_SERVER['SERVER_PORT']!=443)\r
-                                               || (!$this->isHttps() && $_SERVER['SERVER_PORT']!=80) ) {\r
-                                       $final_uri .= ':';\r
-                                       $final_uri .= $_SERVER['SERVER_PORT'];\r
-                               }\r
-                       }\r
-                       \r
-                       $final_uri .= strtok($_SERVER['REQUEST_URI'],"?");\r
-                       $cgi_params = '?'.strtok("?");\r
-                       // remove the ticket if present in the CGI parameters\r
-                       $cgi_params = preg_replace('/&ticket=[^&]*/','',$cgi_params);\r
-                       $cgi_params = preg_replace('/\?ticket=[^&;]*/','?',$cgi_params);\r
-                       $cgi_params = preg_replace('/\?%26/','?',$cgi_params);\r
-                       $cgi_params = preg_replace('/\?&/','?',$cgi_params);\r
-                       $cgi_params = preg_replace('/\?$/','',$cgi_params);\r
-                       $final_uri .= $cgi_params;\r
-                       $this->setURL($final_uri);\r
-               }\r
-               phpCAS::traceEnd($this->_url);\r
-               return $this->_url;\r
-               }\r
-       \r
-       /**\r
-        * This method sets the URL of the current request \r
-        *\r
-        * @param $url url to set for service\r
-        *\r
-        * @private\r
-        */\r
-       function setURL($url)\r
-               {\r
-               $this->_url = $url;\r
-               }\r
-       \r
-       // ########################################################################\r
-       //  AUTHENTICATION ERROR HANDLING\r
-       // ########################################################################\r
-       /**\r
-        * This method is used to print the HTML output when the user was not authenticated.\r
-        *\r
-        * @param $failure the failure that occured\r
-        * @param $cas_url the URL the CAS server was asked for\r
-        * @param $no_response the response from the CAS server (other \r
-        * parameters are ignored if TRUE)\r
-        * @param $bad_response bad response from the CAS server ($err_code\r
-        * and $err_msg ignored if TRUE)\r
-        * @param $cas_response the response of the CAS server\r
-        * @param $err_code the error code given by the CAS server\r
-        * @param $err_msg the error message given by the CAS server\r
-        *\r
-        * @private\r
-        */\r
-       function authError($failure,$cas_url,$no_response,$bad_response='',$cas_response='',$err_code='',$err_msg='')\r
-               {\r
-               phpCAS::traceBegin();\r
-               \r
-               $this->printHTMLHeader($this->getString(CAS_STR_AUTHENTICATION_FAILED));\r
-               printf($this->getString(CAS_STR_YOU_WERE_NOT_AUTHENTICATED),$this->getURL(),$_SERVER['SERVER_ADMIN']);\r
-               phpCAS::trace('CAS URL: '.$cas_url);\r
-               phpCAS::trace('Authentication failure: '.$failure);\r
-               if ( $no_response ) {\r
-                       phpCAS::trace('Reason: no response from the CAS server');\r
-               } else {\r
-                       if ( $bad_response ) {\r
-                               phpCAS::trace('Reason: bad response from the CAS server');\r
-                       } else {\r
-                               switch ($this->getServerVersion()) {\r
-                                       case CAS_VERSION_1_0:\r
-                                               phpCAS::trace('Reason: CAS error');\r
-                                               break;\r
-                                       case CAS_VERSION_2_0:\r
-                                               if ( empty($err_code) )\r
-                                                       phpCAS::trace('Reason: no CAS error');\r
-                                               else\r
-                                                       phpCAS::trace('Reason: ['.$err_code.'] CAS error: '.$err_msg);\r
-                                               break;\r
-                               }\r
-                       }\r
-                       phpCAS::trace('CAS response: '.$cas_response);\r
-               }\r
-               $this->printHTMLFooter();\r
-               phpCAS::traceExit();\r
-               exit();\r
-               }\r
-       \r
-       /** @} */\r
-}\r
-\r
+            header('Location: '.$this->getURL());
+               }
+               
+               //activate session mechanism if desired
+               if (!$this->isLogoutRequest() && $start_session) {
+                       session_start();
+               }
+               
+               $this->_proxy = $proxy;
+               
+               //check version
+               switch ($server_version) {
+                       case CAS_VERSION_1_0:
+                               if ( $this->isProxy() )
+                                       phpCAS::error('CAS proxies are not supported in CAS '
+                                               .$server_version);
+                               break;
+                       case CAS_VERSION_2_0:
+                               break;
+                       default:
+                               phpCAS::error('this version of CAS (`'
+                                       .$server_version
+                                       .'\') is not supported by phpCAS '
+                                       .phpCAS::getVersion());
+               }
+               $this->_server['version'] = $server_version;
+               
+               //check hostname
+               if ( empty($server_hostname) 
+                               || !preg_match('/[\.\d\-abcdefghijklmnopqrstuvwxyz]*/',$server_hostname) ) {
+                       phpCAS::error('bad CAS server hostname (`'.$server_hostname.'\')');
+               }
+               $this->_server['hostname'] = $server_hostname;
+               
+               //check port
+               if ( $server_port == 0 
+                       || !is_int($server_port) ) {
+                       phpCAS::error('bad CAS server port (`'.$server_hostname.'\')');
+               }
+               $this->_server['port'] = $server_port;
+               
+               //check URI
+               if ( !preg_match('/[\.\d\-_abcdefghijklmnopqrstuvwxyz\/]*/',$server_uri) ) {
+                       phpCAS::error('bad CAS server URI (`'.$server_uri.'\')');
+               }
+               //add leading and trailing `/' and remove doubles      
+               $server_uri = preg_replace('/\/\//','/','/'.$server_uri.'/');
+               $this->_server['uri'] = $server_uri;
+               
+               //set to callback mode if PgtIou and PgtId CGI GET parameters are provided 
+               if ( $this->isProxy() ) {
+                       $this->setCallbackMode(!empty($_GET['pgtIou'])&&!empty($_GET['pgtId']));
+               }
+               
+               if ( $this->isCallbackMode() ) {
+                       //callback mode: check that phpCAS is secured
+                       if ( !$this->isHttps() ) {
+                               phpCAS::error('CAS proxies must be secured to use phpCAS; PGT\'s will not be received from the CAS server');
+                       }
+               } else {
+                       //normal mode: get ticket and remove it from CGI parameters for developpers
+                       $ticket = (isset($_GET['ticket']) ? $_GET['ticket'] : null);
+                       switch ($this->getServerVersion()) {
+                               case CAS_VERSION_1_0: // check for a Service Ticket
+                                       if( preg_match('/^ST-/',$ticket) ) {
+                                               phpCAS::trace('ST \''.$ticket.'\' found');
+                                               //ST present
+                                               $this->setST($ticket);
+                                               //ticket has been taken into account, unset it to hide it to applications
+                                               unset($_GET['ticket']);
+                                       } else if ( !empty($ticket) ) {
+                                               //ill-formed ticket, halt
+                                               phpCAS::error('ill-formed ticket found in the URL (ticket=`'.htmlentities($ticket).'\')');
+                                       }
+                                       break;
+                               case CAS_VERSION_2_0: // check for a Service or Proxy Ticket
+                                       if( preg_match('/^[SP]T-/',$ticket) ) {
+                                               phpCAS::trace('ST or PT \''.$ticket.'\' found');
+                                               $this->setPT($ticket);
+                                               unset($_GET['ticket']);
+                                       } else if ( !empty($ticket) ) {
+                                               //ill-formed ticket, halt
+                                               phpCAS::error('ill-formed ticket found in the URL (ticket=`'.htmlentities($ticket).'\')');
+                                       } 
+                                       break;
+                       }
+               }
+               phpCAS::traceEnd();
+       }
+       
+       /** @} */
+       
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       // XX                                                                    XX
+       // XX                           AUTHENTICATION                           XX
+       // XX                                                                    XX
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       
+       /**
+        * @addtogroup internalAuthentication
+        * @{
+        */  
+       
+       /**
+        * The Authenticated user. Written by CASClient::setUser(), read by CASClient::getUser().
+        * @attention client applications should use phpCAS::getUser().
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_user = '';
+       
+       /**
+        * This method sets the CAS user's login name.
+        *
+        * @param $user the login name of the authenticated user.
+        *
+        * @private
+        */
+       function setUser($user)
+               {
+               $this->_user = $user;
+               }
+       
+       /**
+        * This method returns the CAS user's login name.
+        * @warning should be called only after CASClient::forceAuthentication() or 
+        * CASClient::isAuthenticated(), otherwise halt with an error.
+        *
+        * @return the login name of the authenticated user
+        */
+       function getUser()
+               {
+               if ( empty($this->_user) ) {
+                       phpCAS::error('this method should be used only after '.__CLASS__.'::forceAuthentication() or '.__CLASS__.'::isAuthenticated()');
+               }
+               return $this->_user;
+               }
+       
+       /**
+        * This method is called to renew the authentication of the user
+        * If the user is authenticated, renew the connection
+        * If not, redirect to CAS
+        * @public
+        */
+       function renewAuthentication(){
+               phpCAS::traceBegin();
+               // Either way, the user is authenticated by CAS
+               if( isset( $_SESSION['phpCAS']['auth_checked'] ) )
+                       unset($_SESSION['phpCAS']['auth_checked']);
+               if ( $this->isAuthenticated() ) {
+                       phpCAS::trace('user already authenticated; renew');
+                       $this->redirectToCas(false,true);
+               } else {
+                       $this->redirectToCas();
+               }
+               phpCAS::traceEnd();
+       }
+
+       /**
+        * This method is called to be sure that the user is authenticated. When not 
+        * authenticated, halt by redirecting to the CAS server; otherwise return TRUE.
+        * @return TRUE when the user is authenticated; otherwise halt.
+        * @public
+        */
+       function forceAuthentication()
+               {
+               phpCAS::traceBegin();
+               
+               if ( $this->isAuthenticated() ) {
+                       // the user is authenticated, nothing to be done.
+                       phpCAS::trace('no need to authenticate');
+                       $res = TRUE;
+               } else {
+                       // the user is not authenticated, redirect to the CAS server
+                       if (isset($_SESSION['phpCAS']['auth_checked'])) {
+                               unset($_SESSION['phpCAS']['auth_checked']);
+                       }
+                       $this->redirectToCas(FALSE/* no gateway */);    
+                       // never reached
+                       $res = FALSE;
+               }
+               phpCAS::traceEnd($res);
+               return $res;
+               }
+       
+       /**
+        * An integer that gives the number of times authentication will be cached before rechecked.
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_cache_times_for_auth_recheck = 0;
+       
+       /**
+        * Set the number of times authentication will be cached before rechecked.
+        *
+        * @param $n an integer.
+        *
+        * @public
+        */
+       function setCacheTimesForAuthRecheck($n)
+               {
+               $this->_cache_times_for_auth_recheck = $n;
+               }
+       
+       /**
+        * This method is called to check whether the user is authenticated or not.
+        * @return TRUE when the user is authenticated, FALSE otherwise.
+        * @public
+        */
+       function checkAuthentication()
+               {
+               phpCAS::traceBegin();
+               
+               if ( $this->isAuthenticated() ) {
+                       phpCAS::trace('user is authenticated');
+                       $res = TRUE;
+               } else if (isset($_SESSION['phpCAS']['auth_checked'])) {
+                       // the previous request has redirected the client to the CAS server with gateway=true
+                       unset($_SESSION['phpCAS']['auth_checked']);
+                       $res = FALSE;
+               } else {
+                       //        $_SESSION['phpCAS']['auth_checked'] = true;
+                       //          $this->redirectToCas(TRUE/* gateway */);    
+                       //          // never reached
+                       //          $res = FALSE;
+                       // avoid a check against CAS on every request
+                       if (! isset($_SESSION['phpCAS']['unauth_count']) )
+                               $_SESSION['phpCAS']['unauth_count'] = -2; // uninitialized
+                       
+                       if (($_SESSION['phpCAS']['unauth_count'] != -2 && $this->_cache_times_for_auth_recheck == -1) 
+                                       || ($_SESSION['phpCAS']['unauth_count'] >= 0 && $_SESSION['phpCAS']['unauth_count'] < $this->_cache_times_for_auth_recheck))
+                       {
+                               $res = FALSE;
+                               
+                               if ($this->_cache_times_for_auth_recheck != -1)
+                               {
+                                       $_SESSION['phpCAS']['unauth_count']++;
+                                       phpCAS::trace('user is not authenticated (cached for '.$_SESSION['phpCAS']['unauth_count'].' times of '.$this->_cache_times_for_auth_recheck.')');
+                               }
+                               else
+                               {
+                                       phpCAS::trace('user is not authenticated (cached for until login pressed)');
+                               }
+                       }
+                       else
+                       {
+                               $_SESSION['phpCAS']['unauth_count'] = 0;
+                               $_SESSION['phpCAS']['auth_checked'] = true;
+                               phpCAS::trace('user is not authenticated (cache reset)');
+                               $this->redirectToCas(TRUE/* gateway */);        
+                               // never reached
+                               $res = FALSE;
+                       }
+               }
+               phpCAS::traceEnd($res);
+               return $res;
+               }
+       
+       /**
+        * This method is called to check if the user is authenticated (previously or by
+        * tickets given in the URL).
+        *
+        * @return TRUE when the user is authenticated.
+        *
+        * @public
+        */
+       function isAuthenticated()
+               {
+               phpCAS::traceBegin();
+               $res = FALSE;
+               $validate_url = '';
+               
+               if ( $this->wasPreviouslyAuthenticated() ) {
+                       // the user has already (previously during the session) been 
+                       // authenticated, nothing to be done.
+                       phpCAS::trace('user was already authenticated, no need to look for tickets');
+                       $res = TRUE;
+               } 
+               elseif ( $this->hasST() ) {
+                       // if a Service Ticket was given, validate it
+                       phpCAS::trace('ST `'.$this->getST().'\' is present');
+                       $this->validateST($validate_url,$text_response,$tree_response); // if it fails, it halts
+                       phpCAS::trace('ST `'.$this->getST().'\' was validated');
+                       if ( $this->isProxy() ) {
+                               $this->validatePGT($validate_url,$text_response,$tree_response); // idem
+                               phpCAS::trace('PGT `'.$this->getPGT().'\' was validated');
+                               $_SESSION['phpCAS']['pgt'] = $this->getPGT();
+                       }
+                       $_SESSION['phpCAS']['user'] = $this->getUser();
+                       $res = TRUE;
+               }
+               elseif ( $this->hasPT() ) {
+                       // if a Proxy Ticket was given, validate it
+                       phpCAS::trace('PT `'.$this->getPT().'\' is present');
+                       $this->validatePT($validate_url,$text_response,$tree_response); // note: if it fails, it halts
+                       phpCAS::trace('PT `'.$this->getPT().'\' was validated');
+                       if ( $this->isProxy() ) {
+                               $this->validatePGT($validate_url,$text_response,$tree_response); // idem
+                               phpCAS::trace('PGT `'.$this->getPGT().'\' was validated');
+                               $_SESSION['phpCAS']['pgt'] = $this->getPGT();
+                       }
+                       $_SESSION['phpCAS']['user'] = $this->getUser();
+                       $res = TRUE;
+               } 
+               else {
+                       // no ticket given, not authenticated
+                       phpCAS::trace('no ticket found');
+               }
+               
+               phpCAS::traceEnd($res);
+               return $res;
+               }
+       
+       /**
+        * This method tells if the current session is authenticated.
+        * @return true if authenticated based soley on $_SESSION variable
+        * @since 0.4.22 by Brendan Arnold
+        */
+       function isSessionAuthenticated ()
+               {
+               return !empty($_SESSION['phpCAS']['user']);
+               }
+       
+       /**
+        * This method tells if the user has already been (previously) authenticated
+        * by looking into the session variables.
+        *
+        * @note This function switches to callback mode when needed.
+        *
+        * @return TRUE when the user has already been authenticated; FALSE otherwise.
+        *
+        * @private
+        */
+       function wasPreviouslyAuthenticated()
+               {
+               phpCAS::traceBegin();
+               
+               if ( $this->isCallbackMode() ) {
+                       $this->callback();
+               }
+               
+               $auth = FALSE;
+               
+               if ( $this->isProxy() ) {
+                       // CAS proxy: username and PGT must be present
+                       if ( $this->isSessionAuthenticated() && !empty($_SESSION['phpCAS']['pgt']) ) {
+                               // authentication already done
+                               $this->setUser($_SESSION['phpCAS']['user']);
+                               $this->setPGT($_SESSION['phpCAS']['pgt']);
+                               phpCAS::trace('user = `'.$_SESSION['phpCAS']['user'].'\', PGT = `'.$_SESSION['phpCAS']['pgt'].'\''); 
+                               $auth = TRUE;
+                       } elseif ( $this->isSessionAuthenticated() && empty($_SESSION['phpCAS']['pgt']) ) {
+                               // these two variables should be empty or not empty at the same time
+                               phpCAS::trace('username found (`'.$_SESSION['phpCAS']['user'].'\') but PGT is empty');
+                               // unset all tickets to enforce authentication
+                               unset($_SESSION['phpCAS']);
+                               $this->setST('');
+                               $this->setPT('');
+                       } elseif ( !$this->isSessionAuthenticated() && !empty($_SESSION['phpCAS']['pgt']) ) {
+                               // these two variables should be empty or not empty at the same time
+                               phpCAS::trace('PGT found (`'.$_SESSION['phpCAS']['pgt'].'\') but username is empty'); 
+                               // unset all tickets to enforce authentication
+                               unset($_SESSION['phpCAS']);
+                               $this->setST('');
+                               $this->setPT('');
+                       } else {
+                               phpCAS::trace('neither user not PGT found'); 
+                       }
+               } else {
+                       // `simple' CAS client (not a proxy): username must be present
+                       if ( $this->isSessionAuthenticated() ) {
+                               // authentication already done
+                               $this->setUser($_SESSION['phpCAS']['user']);
+                               phpCAS::trace('user = `'.$_SESSION['phpCAS']['user'].'\''); 
+                               $auth = TRUE;
+                       } else {
+                               phpCAS::trace('no user found');
+                       }
+               }
+               
+               phpCAS::traceEnd($auth);
+               return $auth;
+               }
+       
+       /**
+        * This method is used to redirect the client to the CAS server.
+        * It is used by CASClient::forceAuthentication() and CASClient::checkAuthentication().
+        * @param $gateway true to check authentication, false to force it
+        * @param $renew true to force the authentication with the CAS server
+        * @public
+        */
+       function redirectToCas($gateway=false,$renew=false){
+               phpCAS::traceBegin();
+               $cas_url = $this->getServerLoginURL($gateway,$renew);
+               header('Location: '.$cas_url);
+               phpCAS::log( "Redirect to : ".$cas_url );
+               
+               $this->printHTMLHeader($this->getString(CAS_STR_AUTHENTICATION_WANTED));
+               
+               printf('<p>'.$this->getString(CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED).'</p>',$cas_url);
+               $this->printHTMLFooter();
+               phpCAS::traceExit();
+               exit();
+       }
+
+//     /**
+//      * This method is used to logout from CAS.
+//      * @param $url a URL that will be transmitted to the CAS server (to come back to when logged out)
+//      * @public
+//      */
+//     function logout($url = "") {
+//             phpCAS::traceBegin();
+//             $cas_url = $this->getServerLogoutURL();
+//             // v0.4.14 sebastien.gougeon at univ-rennes1.fr
+//             // header('Location: '.$cas_url);
+//             if ( $url != "" ) {
+//                     // Adam Moore 1.0.0RC2
+//                     $url = '?service=' . $url . '&url=' . $url;
+//             }
+//             header('Location: '.$cas_url . $url);
+//             session_unset();
+//             session_destroy();
+//             $this->printHTMLHeader($this->getString(CAS_STR_LOGOUT));
+//             printf('<p>'.$this->getString(CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED).'</p>',$cas_url);
+//             $this->printHTMLFooter();
+//             phpCAS::traceExit();
+//             exit();
+//     }
+       
+       /**
+        * This method is used to logout from CAS.
+        * @params $params an array that contains the optional url and service parameters that will be passed to the CAS server
+        * @public
+        */
+       function logout($params) {
+               phpCAS::traceBegin();
+               $cas_url = $this->getServerLogoutURL();
+               $paramSeparator = '?';
+               if (isset($params['url'])) {
+                       $cas_url = $cas_url . $paramSeparator . "url=" . urlencode($params['url']); 
+                       $paramSeparator = '&';
+               }
+               if (isset($params['service'])) {
+                       $cas_url = $cas_url . $paramSeparator . "service=" . urlencode($params['service']); 
+               }
+               header('Location: '.$cas_url);
+               session_unset();
+               session_destroy();
+               $this->printHTMLHeader($this->getString(CAS_STR_LOGOUT));
+               printf('<p>'.$this->getString(CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED).'</p>',$cas_url);
+               $this->printHTMLFooter();
+               phpCAS::traceExit();
+               exit();
+       }
+       
+       /**
+        * @return true if the current request is a logout request.
+        * @private
+        */
+       function isLogoutRequest() {
+               return !empty($_POST['logoutRequest']);
+       }
+       
+       /**
+        * @return true if a logout request is allowed.
+        * @private
+        */
+       function isLogoutRequestAllowed() {
+       }
+       
+       /**
+        * This method handles logout requests.
+        * @param $check_client true to check the client bofore handling the request, 
+        * false not to perform any access control. True by default.
+        * @param $allowed_clients an array of host names allowed to send logout requests. 
+        * By default, only the CAs server (declared in the constructor) will be allowed.
+        * @public
+        */
+       function handleLogoutRequests($check_client=true, $allowed_clients=false) {
+               phpCAS::traceBegin();
+               if (!$this->isLogoutRequest()) {
+                       phpCAS::log("Not a logout request");
+                       phpCAS::traceEnd();
+                       return;
+               }
+               phpCAS::log("Logout requested");
+               phpCAS::log("SAML REQUEST: ".$_POST['logoutRequest']);
+               if ($check_client) {
+                       if (!$allowed_clients) {
+                               $allowed_clients = array( $this->getServerHostname() ); 
+                       }
+                       $client_ip = $_SERVER['REMOTE_ADDR'];
+                       $client = gethostbyaddr($client_ip);
+                       phpCAS::log("Client: ".$client);
+                       $allowed = false;
+                       foreach ($allowed_clients as $allowed_client) {
+                               if ($client == $allowed_client) {
+                                       phpCAS::log("Allowed client '".$allowed_client."' matches, logout request is allowed");
+                                       $allowed = true;
+                                       break;
+                               } else {
+                                       phpCAS::log("Allowed client '".$allowed_client."' does not match");
+                               }
+                       }
+                       if (!$allowed) {
+                               phpCAS::error("Unauthorized logout request from client '".$client."'");
+                           printf("Unauthorized!");
+                               phpCAS::traceExit();
+                               exit();
+                       }
+               } else {
+                       phpCAS::log("No access control set");
+               }
+               // Extract the ticket from the SAML Request
+               preg_match("|<samlp:SessionIndex>(.*)</samlp:SessionIndex>|", $_POST['logoutRequest'], $tick, PREG_OFFSET_CAPTURE, 3);
+               $wrappedSamlSessionIndex = preg_replace('|<samlp:SessionIndex>|','',$tick[0][0]);
+               $ticket2logout = preg_replace('|</samlp:SessionIndex>|','',$wrappedSamlSessionIndex);
+               phpCAS::log("Ticket to logout: ".$ticket2logout);
+               $session_id = preg_replace('/[^\w]/','',$ticket2logout);
+               phpCAS::log("Session id: ".$session_id);
+
+               // fix New session ID
+               session_id($session_id);
+               $_COOKIE[session_name()]=$session_id;
+               $_GET[session_name()]=$session_id;
+               
+               // Overwrite session
+               session_start();        
+               session_unset();
+           session_destroy();
+           printf("Disconnected!");
+               phpCAS::traceExit();
+               exit();
+       }
+       
+       /** @} */
+       
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       // XX                                                                    XX
+       // XX                  BASIC CLIENT FEATURES (CAS 1.0)                   XX
+       // XX                                                                    XX
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       
+       // ########################################################################
+       //  ST
+       // ########################################################################
+       /**
+        * @addtogroup internalBasic
+        * @{
+        */  
+       
+       /**
+        * the Service Ticket provided in the URL of the request if present
+        * (empty otherwise). Written by CASClient::CASClient(), read by 
+        * CASClient::getST() and CASClient::hasPGT().
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_st = '';
+       
+       /**
+        * This method returns the Service Ticket provided in the URL of the request.
+        * @return The service ticket.
+        * @private
+        */
+       function getST()
+               { return $this->_st; }
+       
+       /**
+        * This method stores the Service Ticket.
+        * @param $st The Service Ticket.
+        * @private
+        */
+       function setST($st)
+               { $this->_st = $st; }
+       
+       /**
+        * This method tells if a Service Ticket was stored.
+        * @return TRUE if a Service Ticket has been stored.
+        * @private
+        */
+       function hasST()
+               { return !empty($this->_st); }
+       
+       /** @} */
+       
+       // ########################################################################
+       //  ST VALIDATION
+       // ########################################################################
+       /**
+        * @addtogroup internalBasic
+        * @{
+        */  
+       
+       /**
+        * the certificate of the CAS server.
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_cas_server_cert = '';
+       
+       /**
+        * the certificate of the CAS server CA.
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_cas_server_ca_cert = '';
+       
+       /**
+        * Set to true not to validate the CAS server.
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_no_cas_server_validation = false;
+       
+       /**
+        * Set the certificate of the CAS server.
+        *
+        * @param $cert the PEM certificate
+        */
+       function setCasServerCert($cert)
+               {
+               $this->_cas_server_cert = $cert;
+               }
+       
+       /**
+        * Set the CA certificate of the CAS server.
+        *
+        * @param $cert the PEM certificate of the CA that emited the cert of the server
+        */
+       function setCasServerCACert($cert)
+               {
+               $this->_cas_server_ca_cert = $cert;
+               }
+       
+       /**
+        * Set no SSL validation for the CAS server.
+        */
+       function setNoCasServerValidation()
+               {
+               $this->_no_cas_server_validation = true;
+               }
+       
+       /**
+        * This method is used to validate a ST; halt on failure, and sets $validate_url,
+        * $text_reponse and $tree_response on success. These parameters are used later
+        * by CASClient::validatePGT() for CAS proxies.
+        * 
+        * @param $validate_url the URL of the request to the CAS server.
+        * @param $text_response the response of the CAS server, as is (XML text).
+        * @param $tree_response the response of the CAS server, as a DOM XML tree.
+        *
+        * @return bool TRUE when successfull, halt otherwise by calling CASClient::authError().
+        *
+        * @private
+        */
+       function validateST($validate_url,&$text_response,&$tree_response)
+               {
+               phpCAS::traceBegin();
+               // build the URL to validate the ticket
+               $validate_url = $this->getServerServiceValidateURL().'&ticket='.$this->getST();
+               if ( $this->isProxy() ) {
+                       // pass the callback url for CAS proxies
+                       $validate_url .= '&pgtUrl='.$this->getCallbackURL();
+               }
+               
+               // open and read the URL
+               if ( !$this->readURL($validate_url,''/*cookies*/,$headers,$text_response,$err_msg) ) {
+                       phpCAS::trace('could not open URL \''.$validate_url.'\' to validate ('.$err_msg.')');
+                       $this->authError('ST not validated',
+                               $validate_url,
+                               TRUE/*$no_response*/);
+               }
+               
+               // analyze the result depending on the version
+               switch ($this->getServerVersion()) {
+                       case CAS_VERSION_1_0:
+                               if (preg_match('/^no\n/',$text_response)) {
+                                       phpCAS::trace('ST has not been validated');
+                                       $this->authError('ST not validated',
+                                               $validate_url,
+                                               FALSE/*$no_response*/,
+                                               FALSE/*$bad_response*/,
+                                               $text_response);
+                               }
+                               if (!preg_match('/^yes\n/',$text_response)) {
+                                       phpCAS::trace('ill-formed response');
+                                       $this->authError('ST not validated',
+                                               $validate_url,
+                                               FALSE/*$no_response*/,
+                                               TRUE/*$bad_response*/,
+                                               $text_response);
+                               }
+                               // ST has been validated, extract the user name
+                               $arr = preg_split('/\n/',$text_response);
+                               $this->setUser(trim($arr[1]));
+                               break;
+                       case CAS_VERSION_2_0:
+                               // read the response of the CAS server into a DOM object
+                               if ( !($dom = domxml_open_mem($text_response))) {
+                                       phpCAS::trace('domxml_open_mem() failed');
+                                       $this->authError('ST not validated',
+                                               $validate_url,
+                                               FALSE/*$no_response*/,
+                                               TRUE/*$bad_response*/,
+                                               $text_response);
+                               }
+                               // read the root node of the XML tree
+                               if ( !($tree_response = $dom->document_element()) ) {
+                                       phpCAS::trace('document_element() failed');
+                                       $this->authError('ST not validated',
+                                               $validate_url,
+                                               FALSE/*$no_response*/,
+                                               TRUE/*$bad_response*/,
+                                               $text_response);
+                               }
+                               // insure that tag name is 'serviceResponse'
+                               if ( $tree_response->node_name() != 'serviceResponse' ) {
+                                       phpCAS::trace('bad XML root node (should be `serviceResponse\' instead of `'.$tree_response->node_name().'\'');
+                                       $this->authError('ST not validated',
+                                               $validate_url,
+                                               FALSE/*$no_response*/,
+                                               TRUE/*$bad_response*/,
+                                               $text_response);
+                               }
+                               if ( sizeof($success_elements = $tree_response->get_elements_by_tagname("authenticationSuccess")) != 0) {
+                                       // authentication succeded, extract the user name
+                                       if ( sizeof($user_elements = $success_elements[0]->get_elements_by_tagname("user")) == 0) {
+                                               phpCAS::trace('<authenticationSuccess> found, but no <user>');
+                                               $this->authError('ST not validated',
+                                                       $validate_url,
+                                                       FALSE/*$no_response*/,
+                                                       TRUE/*$bad_response*/,
+                                                       $text_response);
+                                       }
+                                       $user = trim($user_elements[0]->get_content());
+                                       phpCAS::trace('user = `'.$user);
+                                       $this->setUser($user);
+                                       
+                               } else if ( sizeof($failure_elements = $tree_response->get_elements_by_tagname("authenticationFailure")) != 0) {
+                                       phpCAS::trace('<authenticationFailure> found');
+                                       // authentication failed, extract the error code and message
+                                       $this->authError('ST not validated',
+                                               $validate_url,
+                                               FALSE/*$no_response*/,
+                                               FALSE/*$bad_response*/,
+                                               $text_response,
+                                               $failure_elements[0]->get_attribute('code')/*$err_code*/,
+                                               trim($failure_elements[0]->get_content())/*$err_msg*/);
+                               } else {
+                                       phpCAS::trace('neither <authenticationSuccess> nor <authenticationFailure> found');
+                                       $this->authError('ST not validated',
+                                               $validate_url,
+                                               FALSE/*$no_response*/,
+                                               TRUE/*$bad_response*/,
+                                               $text_response);
+                               }
+                               break;
+               }
+               
+               // at this step, ST has been validated and $this->_user has been set,
+               phpCAS::traceEnd(TRUE);
+               return TRUE;
+               }
+       
+       /** @} */
+       
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       // XX                                                                    XX
+       // XX                     PROXY FEATURES (CAS 2.0)                       XX
+       // XX                                                                    XX
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       
+       // ########################################################################
+       //  PROXYING
+       // ########################################################################
+       /**
+        * @addtogroup internalProxy
+        * @{
+        */
+       
+       /**
+        * A boolean telling if the client is a CAS proxy or not. Written by CASClient::CASClient(), 
+        * read by CASClient::isProxy().
+        *
+        * @private
+        */
+       var $_proxy;
+       
+       /**
+        * Tells if a CAS client is a CAS proxy or not
+        *
+        * @return TRUE when the CAS client is a CAs proxy, FALSE otherwise
+        *
+        * @private
+        */
+       function isProxy()
+               {
+               return $this->_proxy;
+               }
+       
+       /** @} */
+       // ########################################################################
+       //  PGT
+       // ########################################################################
+       /**
+        * @addtogroup internalProxy
+        * @{
+        */  
+       
+       /**
+        * the Proxy Grnting Ticket given by the CAS server (empty otherwise). 
+        * Written by CASClient::setPGT(), read by CASClient::getPGT() and CASClient::hasPGT().
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_pgt = '';
+       
+       /**
+        * This method returns the Proxy Granting Ticket given by the CAS server.
+        * @return The Proxy Granting Ticket.
+        * @private
+        */
+       function getPGT()
+               { return $this->_pgt; }
+       
+       /**
+        * This method stores the Proxy Granting Ticket.
+        * @param $pgt The Proxy Granting Ticket.
+        * @private
+        */
+       function setPGT($pgt)
+               { $this->_pgt = $pgt; }
+       
+       /**
+        * This method tells if a Proxy Granting Ticket was stored.
+        * @return TRUE if a Proxy Granting Ticket has been stored.
+        * @private
+        */
+       function hasPGT()
+               { return !empty($this->_pgt); }
+       
+       /** @} */
+       
+       // ########################################################################
+       //  CALLBACK MODE
+       // ########################################################################
+       /**
+        * @addtogroup internalCallback
+        * @{
+        */  
+       /**
+        * each PHP script using phpCAS in proxy mode is its own callback to get the
+        * PGT back from the CAS server. callback_mode is detected by the constructor
+        * thanks to the GET parameters.
+        */
+       
+       /**
+        * a boolean to know if the CAS client is running in callback mode. Written by
+        * CASClient::setCallBackMode(), read by CASClient::isCallbackMode().
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_callback_mode = FALSE;
+       
+       /**
+        * This method sets/unsets callback mode.
+        *
+        * @param $callback_mode TRUE to set callback mode, FALSE otherwise.
+        *
+        * @private
+        */
+       function setCallbackMode($callback_mode)
+               {
+               $this->_callback_mode = $callback_mode;
+               }
+       
+       /**
+        * This method returns TRUE when the CAs client is running i callback mode, 
+        * FALSE otherwise.
+        *
+        * @return A boolean.
+        *
+        * @private
+        */
+       function isCallbackMode()
+               {
+               return $this->_callback_mode;
+               }
+       
+       /**
+        * the URL that should be used for the PGT callback (in fact the URL of the 
+        * current request without any CGI parameter). Written and read by 
+        * CASClient::getCallbackURL().
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_callback_url = '';
+       
+       /**
+        * This method returns the URL that should be used for the PGT callback (in
+        * fact the URL of the current request without any CGI parameter, except if
+        * phpCAS::setFixedCallbackURL() was used).
+        *
+        * @return The callback URL
+        *
+        * @private
+        */
+       function getCallbackURL()
+               {
+               // the URL is built when needed only
+               if ( empty($this->_callback_url) ) {
+                       $final_uri = '';
+                       // remove the ticket if present in the URL
+                       $final_uri = 'https://';
+                       /* replaced by Julien Marchal - v0.4.6
+                        * $this->uri .= $_SERVER['SERVER_NAME'];
+                        */
+                       if(empty($_SERVER['HTTP_X_FORWARDED_SERVER'])){
+                               /* replaced by teedog - v0.4.12
+                                * $final_uri .= $_SERVER['SERVER_NAME'];
+                                */
+                               if (empty($_SERVER['SERVER_NAME'])) {
+                                       $final_uri .= $_SERVER['HTTP_HOST'];
+                               } else {
+                                       $final_uri .= $_SERVER['SERVER_NAME'];
+                               }
+                       } else {
+                               $final_uri .= $_SERVER['HTTP_X_FORWARDED_SERVER'];
+                       }
+                       if ( ($this->isHttps() && $_SERVER['SERVER_PORT']!=443)
+                                       || (!$this->isHttps() && $_SERVER['SERVER_PORT']!=80) ) {
+                               $final_uri .= ':';
+                               $final_uri .= $_SERVER['SERVER_PORT'];
+                       }
+                       $request_uri = $_SERVER['REQUEST_URI'];
+                       $request_uri = preg_replace('/\?.*$/','',$request_uri);
+                       $final_uri .= $request_uri;
+                       $this->setCallbackURL($final_uri);
+               }
+               return $this->_callback_url;
+               }
+       
+       /**
+        * This method sets the callback url.
+        *
+        * @param $callback_url url to set callback 
+        *
+        * @private
+        */
+       function setCallbackURL($url)
+               {
+               return $this->_callback_url = $url;
+               }
+       
+       /**
+        * This method is called by CASClient::CASClient() when running in callback
+        * mode. It stores the PGT and its PGT Iou, prints its output and halts.
+        *
+        * @private
+        */
+       function callback()
+               {
+               phpCAS::traceBegin();
+               $this->printHTMLHeader('phpCAS callback');
+               $pgt_iou = $_GET['pgtIou'];
+               $pgt = $_GET['pgtId'];
+               phpCAS::trace('Storing PGT `'.$pgt.'\' (id=`'.$pgt_iou.'\')');
+               echo '<p>Storing PGT `'.$pgt.'\' (id=`'.$pgt_iou.'\').</p>';
+               $this->storePGT($pgt,$pgt_iou);
+               $this->printHTMLFooter();
+               phpCAS::traceExit();
+               }
+       
+       /** @} */
+       
+       // ########################################################################
+       //  PGT STORAGE
+       // ########################################################################
+       /**
+        * @addtogroup internalPGTStorage
+        * @{
+        */  
+       
+       /**
+        * an instance of a class inheriting of PGTStorage, used to deal with PGT
+        * storage. Created by CASClient::setPGTStorageFile() or CASClient::setPGTStorageDB(), used 
+        * by CASClient::setPGTStorageFile(), CASClient::setPGTStorageDB() and CASClient::initPGTStorage().
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_pgt_storage = null;
+       
+       /**
+        * This method is used to initialize the storage of PGT's.
+        * Halts on error.
+        *
+        * @private
+        */
+       function initPGTStorage()
+               {
+               // if no SetPGTStorageXxx() has been used, default to file
+               if ( !is_object($this->_pgt_storage) ) {
+                       $this->setPGTStorageFile();
+               }
+               
+               // initializes the storage
+               $this->_pgt_storage->init();
+               }
+       
+       /**
+        * This method stores a PGT. Halts on error.
+        *
+        * @param $pgt the PGT to store
+        * @param $pgt_iou its corresponding Iou
+        *
+        * @private
+        */
+       function storePGT($pgt,$pgt_iou)
+               {
+               // ensure that storage is initialized
+               $this->initPGTStorage();
+               // writes the PGT
+               $this->_pgt_storage->write($pgt,$pgt_iou);
+               }
+       
+       /**
+        * This method reads a PGT from its Iou and deletes the corresponding storage entry.
+        *
+        * @param $pgt_iou the PGT Iou
+        *
+        * @return The PGT corresponding to the Iou, FALSE when not found.
+        *
+        * @private
+        */
+       function loadPGT($pgt_iou)
+               {
+               // ensure that storage is initialized
+               $this->initPGTStorage();
+               // read the PGT
+               return $this->_pgt_storage->read($pgt_iou);
+               }
+       
+       /**
+        * This method is used to tell phpCAS to store the response of the
+        * CAS server to PGT requests onto the filesystem. 
+        *
+        * @param $format the format used to store the PGT's (`plain' and `xml' allowed)
+        * @param $path the path where the PGT's should be stored
+        *
+        * @public
+        */
+       function setPGTStorageFile($format='',
+               $path='')
+               {
+               // check that the storage has not already been set
+               if ( is_object($this->_pgt_storage) ) {
+                       phpCAS::error('PGT storage already defined');
+               }
+               
+               // create the storage object
+               $this->_pgt_storage = &new PGTStorageFile($this,$format,$path);
+               }
+       
+       /**
+        * This method is used to tell phpCAS to store the response of the
+        * CAS server to PGT requests into a database. 
+        * @note The connection to the database is done only when needed. 
+        * As a consequence, bad parameters are detected only when 
+        * initializing PGT storage.
+        *
+        * @param $user the user to access the data with
+        * @param $password the user's password
+        * @param $database_type the type of the database hosting the data
+        * @param $hostname the server hosting the database
+        * @param $port the port the server is listening on
+        * @param $database the name of the database
+        * @param $table the name of the table storing the data
+        *
+        * @public
+        */
+       function setPGTStorageDB($user,
+                                                        $password,
+                                                        $database_type,
+                                                        $hostname,
+                                                        $port,
+                                                        $database,
+                                                        $table)
+               {
+               // check that the storage has not already been set
+               if ( is_object($this->_pgt_storage) ) {
+                       phpCAS::error('PGT storage already defined');
+               }
+               
+               // warn the user that he should use file storage...
+               trigger_error('PGT storage into database is an experimental feature, use at your own risk',E_USER_WARNING);
+               
+               // create the storage object
+               $this->_pgt_storage = & new PGTStorageDB($this,$user,$password,$database_type,$hostname,$port,$database,$table);
+               }
+       
+       // ########################################################################
+       //  PGT VALIDATION
+       // ########################################################################
+       /**
+        * This method is used to validate a PGT; halt on failure.
+        * 
+        * @param $validate_url the URL of the request to the CAS server.
+        * @param $text_response the response of the CAS server, as is (XML text); result
+        * of CASClient::validateST() or CASClient::validatePT().
+        * @param $tree_response the response of the CAS server, as a DOM XML tree; result
+        * of CASClient::validateST() or CASClient::validatePT().
+        *
+        * @return bool TRUE when successfull, halt otherwise by calling CASClient::authError().
+        *
+        * @private
+        */
+       function validatePGT(&$validate_url,$text_response,$tree_response)
+               {
+               phpCAS::traceBegin();
+               if ( sizeof($arr = $tree_response->get_elements_by_tagname("proxyGrantingTicket")) == 0) {
+                       phpCAS::trace('<proxyGrantingTicket> not found');
+                       // authentication succeded, but no PGT Iou was transmitted
+                       $this->authError('Ticket validated but no PGT Iou transmitted',
+                               $validate_url,
+                               FALSE/*$no_response*/,
+                               FALSE/*$bad_response*/,
+                               $text_response);
+               } else {
+                       // PGT Iou transmitted, extract it
+                       $pgt_iou = trim($arr[0]->get_content());
+                       $pgt = $this->loadPGT($pgt_iou);
+                       if ( $pgt == FALSE ) {
+                               phpCAS::trace('could not load PGT');
+                               $this->authError('PGT Iou was transmitted but PGT could not be retrieved',
+                                       $validate_url,
+                                       FALSE/*$no_response*/,
+                                       FALSE/*$bad_response*/,
+                                       $text_response);
+                       }
+                       $this->setPGT($pgt);
+               }
+               phpCAS::traceEnd(TRUE);
+               return TRUE;
+               }
+       
+       // ########################################################################
+       //  PGT VALIDATION
+       // ########################################################################
+       
+       /**
+        * This method is used to retrieve PT's from the CAS server thanks to a PGT.
+        * 
+        * @param $target_service the service to ask for with the PT.
+        * @param $err_code an error code (PHPCAS_SERVICE_OK on success).
+        * @param $err_msg an error message (empty on success).
+        *
+        * @return a Proxy Ticket, or FALSE on error.
+        *
+        * @private
+        */
+       function retrievePT($target_service,&$err_code,&$err_msg)
+               {
+               phpCAS::traceBegin();
+               
+               // by default, $err_msg is set empty and $pt to TRUE. On error, $pt is
+               // set to false and $err_msg to an error message. At the end, if $pt is FALSE 
+               // and $error_msg is still empty, it is set to 'invalid response' (the most
+               // commonly encountered error).
+               $err_msg = '';
+               
+               // build the URL to retrieve the PT
+               //      $cas_url = $this->getServerProxyURL().'?targetService='.preg_replace('/&/','%26',$target_service).'&pgt='.$this->getPGT();
+               $cas_url = $this->getServerProxyURL().'?targetService='.urlencode($target_service).'&pgt='.$this->getPGT();
+               
+               // open and read the URL
+               if ( !$this->readURL($cas_url,''/*cookies*/,$headers,$cas_response,$err_msg) ) {
+                       phpCAS::trace('could not open URL \''.$cas_url.'\' to validate ('.$err_msg.')');
+                       $err_code = PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE;
+                       $err_msg = 'could not retrieve PT (no response from the CAS server)';
+                       phpCAS::traceEnd(FALSE);
+                       return FALSE;
+               }
+               
+               $bad_response = FALSE;
+               
+               if ( !$bad_response ) {
+                       // read the response of the CAS server into a DOM object
+                       if ( !($dom = @domxml_open_mem($cas_response))) {
+                               phpCAS::trace('domxml_open_mem() failed');
+                               // read failed
+                               $bad_response = TRUE;
+                       } 
+               }
+               
+               if ( !$bad_response ) {
+                       // read the root node of the XML tree
+                       if ( !($root = $dom->document_element()) ) {
+                               phpCAS::trace('document_element() failed');
+                               // read failed
+                               $bad_response = TRUE;
+                       } 
+               }
+               
+               if ( !$bad_response ) {
+                       // insure that tag name is 'serviceResponse'
+                       if ( $root->node_name() != 'serviceResponse' ) {
+                               phpCAS::trace('node_name() failed');
+                               // bad root node
+                               $bad_response = TRUE;
+                       } 
+               }
+               
+               if ( !$bad_response ) {
+                       // look for a proxySuccess tag
+                       if ( sizeof($arr = $root->get_elements_by_tagname("proxySuccess")) != 0) {
+                               // authentication succeded, look for a proxyTicket tag
+                               if ( sizeof($arr = $root->get_elements_by_tagname("proxyTicket")) != 0) {
+                                       $err_code = PHPCAS_SERVICE_OK;
+                                       $err_msg = '';
+                                       phpCAS::trace('original PT: '.trim($arr[0]->get_content()));
+                                       $pt = trim($arr[0]->get_content());
+                                       phpCAS::traceEnd($pt);
+                                       return $pt;
+                               } else {
+                                       phpCAS::trace('<proxySuccess> was found, but not <proxyTicket>');
+                               }
+                       } 
+                       // look for a proxyFailure tag
+                       else if ( sizeof($arr = $root->get_elements_by_tagname("proxyFailure")) != 0) {
+                               // authentication failed, extract the error
+                               $err_code = PHPCAS_SERVICE_PT_FAILURE;
+                               $err_msg = 'PT retrieving failed (code=`'
+                                       .$arr[0]->get_attribute('code')
+                                       .'\', message=`'
+                                       .trim($arr[0]->get_content())
+                                       .'\')';
+                               phpCAS::traceEnd(FALSE);
+                               return FALSE;
+                       } else {
+                               phpCAS::trace('neither <proxySuccess> nor <proxyFailure> found');
+                       }
+               }
+               
+               // at this step, we are sure that the response of the CAS server was ill-formed
+               $err_code = PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE;
+               $err_msg = 'Invalid response from the CAS server (response=`'.$cas_response.'\')';
+               
+               phpCAS::traceEnd(FALSE);
+               return FALSE;
+               }
+       
+       // ########################################################################
+       // ACCESS TO EXTERNAL SERVICES
+       // ########################################################################
+       
+       /**
+        * This method is used to acces a remote URL.
+        *
+        * @param $url the URL to access.
+        * @param $cookies an array containing cookies strings such as 'name=val'
+        * @param $headers an array containing the HTTP header lines of the response
+        * (an empty array on failure).
+        * @param $body the body of the response, as a string (empty on failure).
+        * @param $err_msg an error message, filled on failure.
+        *
+        * @return TRUE on success, FALSE otherwise (in this later case, $err_msg
+        * contains an error message).
+        *
+        * @private
+        */
+       function readURL($url,$cookies,&$headers,&$body,&$err_msg)
+               {
+               phpCAS::traceBegin();
+               $headers = '';
+               $body = '';
+               $err_msg = '';
+               
+               $res = TRUE;
+               
+               // initialize the CURL session
+               $ch = curl_init($url);
+               
+               if (version_compare(PHP_VERSION,'5.1.3','>=')) {
+                       //only avaible in php5
+                       curl_setopt_array($ch, $this->_curl_options);
+               } else {
+                       foreach ($this->_curl_options as $key => $value) {
+                               curl_setopt($ch, $key, $value);
+                       }
+               }
+
+               if ($this->_cas_server_cert == '' && $this->_cas_server_ca_cert == '' && !$this->_no_cas_server_validation) {
+                       phpCAS::error('one of the methods phpCAS::setCasServerCert(), phpCAS::setCasServerCACert() or phpCAS::setNoCasServerValidation() must be called.');
+               }
+               if ($this->_cas_server_cert != '' ) {
+                       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
+                       curl_setopt($ch, CURLOPT_SSLCERT, $this->_cas_server_cert);
+               } else if ($this->_cas_server_ca_cert != '') {
+                       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
+                       curl_setopt($ch, CURLOPT_CAINFO, $this->_cas_server_ca_cert);
+               } else {
+                       curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);
+                       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
+               }
+               
+               // return the CURL output into a variable
+               curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+               // get the HTTP header with a callback
+               $this->_curl_headers = array(); // empty the headers array
+               curl_setopt($ch, CURLOPT_HEADERFUNCTION, array($this, '_curl_read_headers'));
+               // add cookies headers
+               if ( is_array($cookies) ) {
+                       curl_setopt($ch,CURLOPT_COOKIE,implode(';',$cookies));
+               }
+               // perform the query
+               $buf = curl_exec ($ch);
+               if ( $buf === FALSE ) {
+                       phpCAS::trace('curl_exec() failed');
+                       $err_msg = 'CURL error #'.curl_errno($ch).': '.curl_error($ch);
+                       // close the CURL session
+                       curl_close ($ch);
+                       $res = FALSE;
+               } else {
+                       // close the CURL session
+                       curl_close ($ch);
+                       
+                       $headers = $this->_curl_headers;
+                       $body = $buf;
+               }
+               
+               phpCAS::traceEnd($res);
+               return $res;
+       }
+       
+       /**
+        * This method is the callback used by readURL method to request HTTP headers.
+        */
+       var $_curl_headers = array();
+       function _curl_read_headers($ch, $header)
+       {
+               $this->_curl_headers[] = $header;
+               return strlen($header);
+       }
+
+       /**
+        * This method is used to access an HTTP[S] service.
+        * 
+        * @param $url the service to access.
+        * @param $err_code an error code Possible values are PHPCAS_SERVICE_OK (on
+        * success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,
+        * PHPCAS_SERVICE_PT_FAILURE, PHPCAS_SERVICE_NOT AVAILABLE.
+        * @param $output the output of the service (also used to give an error
+        * message on failure).
+        *
+        * @return TRUE on success, FALSE otherwise (in this later case, $err_code
+        * gives the reason why it failed and $output contains an error message).
+        *
+        * @public
+        */
+       function serviceWeb($url,&$err_code,&$output)
+               {
+               phpCAS::traceBegin();
+               // at first retrieve a PT
+               $pt = $this->retrievePT($url,$err_code,$output);
+               
+               $res = TRUE;
+               
+               // test if PT was retrieved correctly
+               if ( !$pt ) {
+                       // note: $err_code and $err_msg are filled by CASClient::retrievePT()
+                       phpCAS::trace('PT was not retrieved correctly');
+                       $res = FALSE;
+               } else {
+                       // add cookies if necessary
+                       if ( is_array($_SESSION['phpCAS']['services'][$url]['cookies']) ) {
+                               foreach ( $_SESSION['phpCAS']['services'][$url]['cookies'] as $name => $val ) { 
+                                       $cookies[] = $name.'='.$val;
+                               }
+                       }
+                       
+                       // build the URL including the PT
+                       if ( strstr($url,'?') === FALSE ) {
+                               $service_url = $url.'?ticket='.$pt;
+                       } else {
+                               $service_url = $url.'&ticket='.$pt;
+                       }
+                       
+                       phpCAS::trace('reading URL`'.$service_url.'\'');
+                       if ( !$this->readURL($service_url,$cookies,$headers,$output,$err_msg) ) {
+                               phpCAS::trace('could not read URL`'.$service_url.'\'');
+                               $err_code = PHPCAS_SERVICE_NOT_AVAILABLE;
+                               // give an error message
+                               $output = sprintf($this->getString(CAS_STR_SERVICE_UNAVAILABLE),
+                                       $service_url,
+                                       $err_msg);
+                               $res = FALSE;
+                       } else {
+                               // URL has been fetched, extract the cookies
+                               phpCAS::trace('URL`'.$service_url.'\' has been read, storing cookies:');
+                               foreach ( $headers as $header ) {
+                                       // test if the header is a cookie
+                                       if ( preg_match('/^Set-Cookie:/',$header) ) {
+                                               // the header is a cookie, remove the beginning
+                                               $header_val = preg_replace('/^Set-Cookie: */','',$header);
+                                               // extract interesting information
+                                               $name_val = strtok($header_val,'; ');
+                                               // extract the name and the value of the cookie
+                                               $cookie_name = strtok($name_val,'=');
+                                               $cookie_val = strtok('=');
+                                               // store the cookie 
+                                               $_SESSION['phpCAS']['services'][$url]['cookies'][$cookie_name] = $cookie_val;
+                                               phpCAS::trace($cookie_name.' -> '.$cookie_val);
+                                       }
+                               }
+                       }
+               }
+               
+               phpCAS::traceEnd($res);
+               return $res;
+               }
+       
+       /**
+        * This method is used to access an IMAP/POP3/NNTP service.
+        * 
+        * @param $url a string giving the URL of the service, including the mailing box
+        * for IMAP URLs, as accepted by imap_open().
+        * @param $flags options given to imap_open().
+        * @param $err_code an error code Possible values are PHPCAS_SERVICE_OK (on
+        * success), PHPCAS_SERVICE_PT_NO_SERVER_RESPONSE, PHPCAS_SERVICE_PT_BAD_SERVER_RESPONSE,
+        * PHPCAS_SERVICE_PT_FAILURE, PHPCAS_SERVICE_NOT AVAILABLE.
+        * @param $err_msg an error message on failure
+        * @param $pt the Proxy Ticket (PT) retrieved from the CAS server to access the URL
+        * on success, FALSE on error).
+        *
+        * @return an IMAP stream on success, FALSE otherwise (in this later case, $err_code
+        * gives the reason why it failed and $err_msg contains an error message).
+        *
+        * @public
+        */
+       function serviceMail($url,$flags,&$err_code,&$err_msg,&$pt)
+               {
+               phpCAS::traceBegin();
+               // at first retrieve a PT
+               $pt = $this->retrievePT($target_service,$err_code,$output);
+               
+               $stream = FALSE;
+               
+               // test if PT was retrieved correctly
+               if ( !$pt ) {
+                       // note: $err_code and $err_msg are filled by CASClient::retrievePT()
+                       phpCAS::trace('PT was not retrieved correctly');
+               } else {
+                       phpCAS::trace('opening IMAP URL `'.$url.'\'...');
+                       $stream = @imap_open($url,$this->getUser(),$pt,$flags);
+                       if ( !$stream ) {
+                               phpCAS::trace('could not open URL');
+                               $err_code = PHPCAS_SERVICE_NOT_AVAILABLE;
+                               // give an error message
+                               $err_msg = sprintf($this->getString(CAS_STR_SERVICE_UNAVAILABLE),
+                                       $service_url,
+                                       var_export(imap_errors(),TRUE));
+                               $pt = FALSE;
+                               $stream = FALSE;
+                       } else {
+                               phpCAS::trace('ok');
+                       }
+               }
+               
+               phpCAS::traceEnd($stream);
+               return $stream;
+               }
+       
+       /** @} */
+       
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       // XX                                                                    XX
+       // XX                  PROXIED CLIENT FEATURES (CAS 2.0)                 XX
+       // XX                                                                    XX
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       
+       // ########################################################################
+       //  PT
+       // ########################################################################
+       /**
+        * @addtogroup internalProxied
+        * @{
+        */  
+       
+       /**
+        * the Proxy Ticket provided in the URL of the request if present
+        * (empty otherwise). Written by CASClient::CASClient(), read by 
+        * CASClient::getPT() and CASClient::hasPGT().
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_pt = '';
+       
+       /**
+        * This method returns the Proxy Ticket provided in the URL of the request.
+        * @return The proxy ticket.
+        * @private
+        */
+       function getPT()
+               {
+               //      return 'ST'.substr($this->_pt, 2);
+               return $this->_pt;
+               }
+       
+       /**
+        * This method stores the Proxy Ticket.
+        * @param $pt The Proxy Ticket.
+        * @private
+        */
+       function setPT($pt)
+               { $this->_pt = $pt; }
+       
+       /**
+        * This method tells if a Proxy Ticket was stored.
+        * @return TRUE if a Proxy Ticket has been stored.
+        * @private
+        */
+       function hasPT()
+               { return !empty($this->_pt); }
+       
+       /** @} */
+       // ########################################################################
+       //  PT VALIDATION
+       // ########################################################################
+       /**
+        * @addtogroup internalProxied
+        * @{
+        */  
+       
+       /**
+        * This method is used to validate a PT; halt on failure
+        * 
+        * @return bool TRUE when successfull, halt otherwise by calling CASClient::authError().
+        *
+        * @private
+        */
+       function validatePT(&$validate_url,&$text_response,&$tree_response)
+               {
+               phpCAS::traceBegin();
+               // build the URL to validate the ticket
+               $validate_url = $this->getServerProxyValidateURL().'&ticket='.$this->getPT();
+               
+               if ( $this->isProxy() ) {
+                       // pass the callback url for CAS proxies
+                       $validate_url .= '&pgtUrl='.$this->getCallbackURL();
+               }
+               
+               // open and read the URL
+               if ( !$this->readURL($validate_url,''/*cookies*/,$headers,$text_response,$err_msg) ) {
+                       phpCAS::trace('could not open URL \''.$validate_url.'\' to validate ('.$err_msg.')');
+                       $this->authError('PT not validated',
+                               $validate_url,
+                               TRUE/*$no_response*/);
+               }
+               
+               // read the response of the CAS server into a DOM object
+               if ( !($dom = domxml_open_mem($text_response))) {
+                       // read failed
+                       $this->authError('PT not validated',
+                               $validate_url,
+                               FALSE/*$no_response*/,
+                               TRUE/*$bad_response*/,
+                               $text_response);
+               }
+               // read the root node of the XML tree
+               if ( !($tree_response = $dom->document_element()) ) {
+                       // read failed
+                       $this->authError('PT not validated',
+                               $validate_url,
+                               FALSE/*$no_response*/,
+                               TRUE/*$bad_response*/,
+                               $text_response);
+               }
+               // insure that tag name is 'serviceResponse'
+               if ( $tree_response->node_name() != 'serviceResponse' ) {
+                       // bad root node
+                       $this->authError('PT not validated',
+                               $validate_url,
+                               FALSE/*$no_response*/,
+                               TRUE/*$bad_response*/,
+                               $text_response);
+               }
+               if ( sizeof($arr = $tree_response->get_elements_by_tagname("authenticationSuccess")) != 0) {
+                       // authentication succeded, extract the user name
+                       if ( sizeof($arr = $tree_response->get_elements_by_tagname("user")) == 0) {
+                               // no user specified => error
+                               $this->authError('PT not validated',
+                                       $validate_url,
+                                       FALSE/*$no_response*/,
+                                       TRUE/*$bad_response*/,
+                                       $text_response);
+                       }
+                       $this->setUser(trim($arr[0]->get_content()));
+                       
+               } else if ( sizeof($arr = $tree_response->get_elements_by_tagname("authenticationFailure")) != 0) {
+                       // authentication succeded, extract the error code and message
+                       $this->authError('PT not validated',
+                               $validate_url,
+                               FALSE/*$no_response*/,
+                               FALSE/*$bad_response*/,
+                               $text_response,
+                               $arr[0]->get_attribute('code')/*$err_code*/,
+                               trim($arr[0]->get_content())/*$err_msg*/);
+               } else {
+                       $this->authError('PT not validated',
+                               $validate_url,  
+                               FALSE/*$no_response*/,
+                               TRUE/*$bad_response*/,
+                               $text_response);
+               }
+               
+               // at this step, PT has been validated and $this->_user has been set,
+               
+               phpCAS::traceEnd(TRUE);
+               return TRUE;
+               }
+       
+       /** @} */
+       
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       // XX                                                                    XX
+       // XX                               MISC                                 XX
+       // XX                                                                    XX
+       // XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+       
+       /**
+        * @addtogroup internalMisc
+        * @{
+        */  
+       
+       // ########################################################################
+       //  URL
+       // ########################################################################
+       /**
+        * the URL of the current request (without any ticket CGI parameter). Written 
+        * and read by CASClient::getURL().
+        *
+        * @hideinitializer
+        * @private
+        */
+       var $_url = '';
+       
+       /**
+        * This method returns the URL of the current request (without any ticket
+        * CGI parameter).
+        *
+        * @return The URL
+        *
+        * @private
+        */
+       function getURL()
+               {
+               phpCAS::traceBegin();
+               // the URL is built when needed only
+               if ( empty($this->_url) ) {
+                       $final_uri = '';
+                       // remove the ticket if present in the URL
+                       $final_uri = ($this->isHttps()) ? 'https' : 'http';
+                       $final_uri .= '://';
+                       /* replaced by Julien Marchal - v0.4.6
+                        * $this->_url .= $_SERVER['SERVER_NAME'];
+                        */
+                       if(empty($_SERVER['HTTP_X_FORWARDED_SERVER'])){
+                               /* replaced by teedog - v0.4.12
+                                * $this->_url .= $_SERVER['SERVER_NAME'];
+                                */
+                               if (empty($_SERVER['SERVER_NAME'])) {
+                                       $server_name = $_SERVER['HTTP_HOST'];
+                               } else {
+                                       $server_name = $_SERVER['SERVER_NAME'];
+                               }
+                       } else {
+                               $server_name = $_SERVER['HTTP_X_FORWARDED_SERVER'];
+                       }
+                       $final_uri .= $server_name;
+                       if (!strpos($server_name, ':')) {
+                               if ( ($this->isHttps() && $_SERVER['SERVER_PORT']!=443)
+                                               || (!$this->isHttps() && $_SERVER['SERVER_PORT']!=80) ) {
+                                       $final_uri .= ':';
+                                       $final_uri .= $_SERVER['SERVER_PORT'];
+                               }
+                       }
+                       
+                       $final_uri .= strtok($_SERVER['REQUEST_URI'],"?");
+                       $cgi_params = '?'.strtok("?");
+                       // remove the ticket if present in the CGI parameters
+                       $cgi_params = preg_replace('/&ticket=[^&]*/','',$cgi_params);
+                       $cgi_params = preg_replace('/\?ticket=[^&;]*/','?',$cgi_params);
+                       $cgi_params = preg_replace('/\?%26/','?',$cgi_params);
+                       $cgi_params = preg_replace('/\?&/','?',$cgi_params);
+                       $cgi_params = preg_replace('/\?$/','',$cgi_params);
+                       $final_uri .= $cgi_params;
+                       $this->setURL($final_uri);
+               }
+               phpCAS::traceEnd($this->_url);
+               return $this->_url;
+               }
+       
+       /**
+        * This method sets the URL of the current request 
+        *
+        * @param $url url to set for service
+        *
+        * @private
+        */
+       function setURL($url)
+               {
+               $this->_url = $url;
+               }
+       
+       // ########################################################################
+       //  AUTHENTICATION ERROR HANDLING
+       // ########################################################################
+       /**
+        * This method is used to print the HTML output when the user was not authenticated.
+        *
+        * @param $failure the failure that occured
+        * @param $cas_url the URL the CAS server was asked for
+        * @param $no_response the response from the CAS server (other 
+        * parameters are ignored if TRUE)
+        * @param $bad_response bad response from the CAS server ($err_code
+        * and $err_msg ignored if TRUE)
+        * @param $cas_response the response of the CAS server
+        * @param $err_code the error code given by the CAS server
+        * @param $err_msg the error message given by the CAS server
+        *
+        * @private
+        */
+       function authError($failure,$cas_url,$no_response,$bad_response='',$cas_response='',$err_code='',$err_msg='')
+               {
+               phpCAS::traceBegin();
+               
+               $this->printHTMLHeader($this->getString(CAS_STR_AUTHENTICATION_FAILED));
+               printf($this->getString(CAS_STR_YOU_WERE_NOT_AUTHENTICATED),$this->getURL(),$_SERVER['SERVER_ADMIN']);
+               phpCAS::trace('CAS URL: '.$cas_url);
+               phpCAS::trace('Authentication failure: '.$failure);
+               if ( $no_response ) {
+                       phpCAS::trace('Reason: no response from the CAS server');
+               } else {
+                       if ( $bad_response ) {
+                               phpCAS::trace('Reason: bad response from the CAS server');
+                       } else {
+                               switch ($this->getServerVersion()) {
+                                       case CAS_VERSION_1_0:
+                                               phpCAS::trace('Reason: CAS error');
+                                               break;
+                                       case CAS_VERSION_2_0:
+                                               if ( empty($err_code) )
+                                                       phpCAS::trace('Reason: no CAS error');
+                                               else
+                                                       phpCAS::trace('Reason: ['.$err_code.'] CAS error: '.$err_msg);
+                                               break;
+                               }
+                       }
+                       phpCAS::trace('CAS response: '.$cas_response);
+               }
+               $this->printHTMLFooter();
+               phpCAS::traceExit();
+               exit();
+               }
+       
+       /** @} */
+}
+
 ?>
\ No newline at end of file
index d64747514c3034d8210b9e8f4c7656c42461a8bc..a0dfb99c7ac815ebbf6f92e47f517e57f7e104c1 100644 (file)
-<?php\r
-/**\r
- * @file domxml-php4-php5.php\r
- * Require PHP5, uses built-in DOM extension.\r
- * To be used in PHP4 scripts using DOMXML extension.\r
- * Allows PHP4/DOMXML scripts to run on PHP5/DOM.\r
- * (Requires PHP5/XSL extension for domxml_xslt functions)\r
- *\r
- * Typical use:\r
- * <pre>\r
- * {\r
- *  if (version_compare(PHP_VERSION,'5','>='))\r
- *   require_once('domxml-php4-to-php5.php');\r
- * }\r
- * </pre>\r
- *\r
- * Version 1.5.5, 2005-01-18, http://alexandre.alapetite.net/doc-alex/domxml-php4-php5/\r
- *\r
- * ------------------------------------------------------------------<br>\r
- * Written by Alexandre Alapetite, http://alexandre.alapetite.net/cv/\r
- *\r
- * Copyright 2004, Licence: Creative Commons "Attribution-ShareAlike 2.0 France" BY-SA (FR),\r
- * http://creativecommons.org/licenses/by-sa/2.0/fr/\r
- * http://alexandre.alapetite.net/divers/apropos/#by-sa\r
- * - Attribution. You must give the original author credit\r
- * - Share Alike. If you alter, transform, or build upon this work,\r
- *   you may distribute the resulting work only under a license identical to this one\r
- * - The French law is authoritative\r
- * - Any of these conditions can be waived if you get permission from Alexandre Alapetite\r
- * - Please send to Alexandre Alapetite the modifications you make,\r
- *   in order to improve this file for the benefit of everybody\r
- *\r
- * If you want to distribute this code, please do it as a link to:\r
- * http://alexandre.alapetite.net/doc-alex/domxml-php4-php5/\r
- */\r
-\r
-function domxml_new_doc($version) {return new php4DOMDocument('');}\r
-function domxml_open_file($filename) {return new php4DOMDocument($filename);}\r
-function domxml_open_mem($str)\r
-{\r
- $dom=new php4DOMDocument('');\r
- $dom->myDOMNode->loadXML($str);\r
- return $dom;\r
-}\r
-function xpath_eval($xpath_context,$eval_str,$contextnode=null) {return $xpath_context->query($eval_str,$contextnode);}\r
-function xpath_new_context($dom_document) {return new php4DOMXPath($dom_document);}\r
-\r
-class php4DOMAttr extends php4DOMNode\r
-{\r
- function php4DOMAttr($aDOMAttr) {$this->myDOMNode=$aDOMAttr;}\r
- function Name() {return $this->myDOMNode->name;}\r
- function Specified() {return $this->myDOMNode->specified;}\r
- function Value() {return $this->myDOMNode->value;}\r
-}\r
-\r
-class php4DOMDocument extends php4DOMNode\r
-{\r
- function php4DOMDocument($filename='')\r
- {\r
-  $this->myDOMNode=new DOMDocument();\r
-  if ($filename!='') $this->myDOMNode->load($filename);\r
- }\r
- function create_attribute($name,$value)\r
- {\r
-  $myAttr=$this->myDOMNode->createAttribute($name);\r
-  $myAttr->value=$value;\r
-  return new php4DOMAttr($myAttr,$this);\r
- }\r
- function create_cdata_section($content) {return new php4DOMNode($this->myDOMNode->createCDATASection($content),$this);}\r
- function create_comment($data) {return new php4DOMNode($this->myDOMNode->createComment($data),$this);}\r
- function create_element($name) {return new php4DOMElement($this->myDOMNode->createElement($name),$this);}\r
- function create_text_node($content) {return new php4DOMNode($this->myDOMNode->createTextNode($content),$this);}\r
- function document_element() {return new php4DOMElement($this->myDOMNode->documentElement,$this);}\r
- function dump_file($filename,$compressionmode=false,$format=false) {return $this->myDOMNode->save($filename);}\r
- function dump_mem($format=false,$encoding=false) {return $this->myDOMNode->saveXML();}\r
- function get_element_by_id($id) {return new php4DOMElement($this->myDOMNode->getElementById($id),$this);}\r
- function get_elements_by_tagname($name)\r
- {\r
-  $myDOMNodeList=$this->myDOMNode->getElementsByTagName($name);\r
-  $nodeSet=array();\r
-  $i=0;\r
-  if (isset($myDOMNodeList))\r
-   while ($node=$myDOMNodeList->item($i))\r
-   {\r
-    $nodeSet[]=new php4DOMElement($node,$this);\r
-    $i++;\r
-   }\r
-  return $nodeSet;\r
- }\r
- function html_dump_mem() {return $this->myDOMNode->saveHTML();}\r
- function root() {return new php4DOMElement($this->myDOMNode->documentElement,$this);}\r
-}\r
-\r
-class php4DOMElement extends php4DOMNode\r
-{\r
- function get_attribute($name) {return $this->myDOMNode->getAttribute($name);}\r
- function get_elements_by_tagname($name)\r
- {\r
-  $myDOMNodeList=$this->myDOMNode->getElementsByTagName($name);\r
-  $nodeSet=array();\r
-  $i=0;\r
-  if (isset($myDOMNodeList))\r
-   while ($node=$myDOMNodeList->item($i))\r
-   {\r
-    $nodeSet[]=new php4DOMElement($node,$this->myOwnerDocument);\r
-    $i++;\r
-   }\r
-  return $nodeSet;\r
- }\r
- function has_attribute($name) {return $this->myDOMNode->hasAttribute($name);}\r
- function remove_attribute($name) {return $this->myDOMNode->removeAttribute($name);}\r
- function set_attribute($name,$value) {return $this->myDOMNode->setAttribute($name,$value);}\r
- function tagname() {return $this->myDOMNode->tagName;}\r
-}\r
-\r
-class php4DOMNode\r
-{\r
- var $myDOMNode;\r
- var $myOwnerDocument;\r
- function php4DOMNode($aDomNode,$aOwnerDocument)\r
- {\r
-  $this->myDOMNode=$aDomNode;\r
-  $this->myOwnerDocument=$aOwnerDocument;\r
- }\r
- function __get($name)\r
- {\r
-  if ($name=='type') return $this->myDOMNode->nodeType;\r
-  elseif ($name=='tagname') return $this->myDOMNode->tagName;\r
-  elseif ($name=='content') return $this->myDOMNode->textContent;\r
-  else\r
-  {\r
-   $myErrors=debug_backtrace();\r
-   trigger_error('Undefined property: '.get_class($this).'::$'.$name.' ['.$myErrors[0]['file'].':'.$myErrors[0]['line'].']',E_USER_NOTICE);\r
-   return false;\r
-  }\r
- }\r
- function append_child($newnode) {return new php4DOMElement($this->myDOMNode->appendChild($newnode->myDOMNode),$this->myOwnerDocument);}\r
- function append_sibling($newnode) {return new php4DOMElement($this->myDOMNode->parentNode->appendChild($newnode->myDOMNode),$this->myOwnerDocument);}\r
- function attributes()\r
- {\r
-  $myDOMNodeList=$this->myDOMNode->attributes;\r
-  $nodeSet=array();\r
-  $i=0;\r
-  if (isset($myDOMNodeList))\r
-   while ($node=$myDOMNodeList->item($i))\r
-   {\r
-    $nodeSet[]=new php4DOMAttr($node,$this->myOwnerDocument);\r
-    $i++;\r
-   }\r
-  return $nodeSet;\r
- }\r
- function child_nodes()\r
- {\r
-  $myDOMNodeList=$this->myDOMNode->childNodes;\r
-  $nodeSet=array();\r
-  $i=0;\r
-  if (isset($myDOMNodeList))\r
-   while ($node=$myDOMNodeList->item($i))\r
-   {\r
-    $nodeSet[]=new php4DOMElement($node,$this->myOwnerDocument);\r
-    $i++;\r
-   }\r
-  return $nodeSet;\r
- }\r
- function children() {return $this->child_nodes();}\r
- function clone_node($deep=false) {return new php4DOMElement($this->myDOMNode->cloneNode($deep),$this->myOwnerDocument);}\r
- function first_child() {return new php4DOMElement($this->myDOMNode->firstChild,$this->myOwnerDocument);}\r
- function get_content() {return $this->myDOMNode->textContent;}\r
- function has_attributes() {return $this->myDOMNode->hasAttributes();}\r
- function has_child_nodes() {return $this->myDOMNode->hasChildNodes();}\r
- function insert_before($newnode,$refnode) {return new php4DOMElement($this->myDOMNode->insertBefore($newnode->myDOMNode,$refnode->myDOMNode),$this->myOwnerDocument);}\r
- function is_blank_node()\r
- {\r
-  $myDOMNodeList=$this->myDOMNode->childNodes;\r
-  $i=0;\r
-  if (isset($myDOMNodeList))\r
-   while ($node=$myDOMNodeList->item($i))\r
-   {\r
-    if (($node->nodeType==XML_ELEMENT_NODE)||\r
-        (($node->nodeType==XML_TEXT_NODE)&&!ereg('^([[:cntrl:]]|[[:space:]])*$',$node->nodeValue)))\r
-     return false;\r
-    $i++;\r
-   }\r
-  return true;\r
- }\r
- function last_child() {return new php4DOMElement($this->myDOMNode->lastChild,$this->myOwnerDocument);}\r
- function new_child($name,$content)\r
- {\r
-  $mySubNode=$this->myDOMNode->ownerDocument->createElement($name);\r
-  $mySubNode->appendChild($this->myDOMNode->ownerDocument->createTextNode($content));\r
-  $this->myDOMNode->appendChild($mySubNode);\r
-  return new php4DOMElement($mySubNode,$this->myOwnerDocument);\r
- }\r
- function next_sibling() {return new php4DOMElement($this->myDOMNode->nextSibling,$this->myOwnerDocument);}\r
- function node_name() {return $this->myDOMNode->localName;}\r
- function node_type() {return $this->myDOMNode->nodeType;}\r
- function node_value() {return $this->myDOMNode->nodeValue;}\r
- function owner_document() {return $this->myOwnerDocument;}\r
- function parent_node() {return new php4DOMElement($this->myDOMNode->parentNode,$this->myOwnerDocument);}\r
- function prefix() {return $this->myDOMNode->prefix;}\r
- function previous_sibling() {return new php4DOMElement($this->myDOMNode->previousSibling,$this->myOwnerDocument);}\r
- function remove_child($oldchild) {return new php4DOMElement($this->myDOMNode->removeChild($oldchild->myDOMNode),$this->myOwnerDocument);}\r
- function replace_child($oldnode,$newnode) {return new php4DOMElement($this->myDOMNode->replaceChild($oldnode->myDOMNode,$newnode->myDOMNode),$this->myOwnerDocument);}\r
- function set_content($text)\r
- {\r
-  if (($this->myDOMNode->hasChildNodes())&&($this->myDOMNode->firstChild->nodeType==XML_TEXT_NODE))\r
-   $this->myDOMNode->removeChild($this->myDOMNode->firstChild);\r
-  return $this->myDOMNode->appendChild($this->myDOMNode->ownerDocument->createTextNode($text));\r
- }\r
-}\r
-\r
-class php4DOMNodelist\r
-{\r
- var $myDOMNodelist;\r
- var $nodeset;\r
- function php4DOMNodelist($aDOMNodelist,$aOwnerDocument)\r
- {\r
-  $this->myDOMNodelist=$aDOMNodelist;\r
-  $this->nodeset=array();\r
-  $i=0;\r
-  if (isset($this->myDOMNodelist))\r
-   while ($node=$this->myDOMNodelist->item($i))\r
-   {\r
-    $this->nodeset[]=new php4DOMElement($node,$aOwnerDocument);\r
-    $i++;\r
-   }\r
- }\r
-}\r
-\r
-class php4DOMXPath\r
-{\r
- var $myDOMXPath;\r
- var $myOwnerDocument;\r
- function php4DOMXPath($dom_document)\r
- {\r
-  $this->myOwnerDocument=$dom_document;\r
-  $this->myDOMXPath=new DOMXPath($dom_document->myDOMNode);\r
- }\r
- function query($eval_str,$contextnode)\r
- {\r
-  if (isset($contextnode)) return new php4DOMNodelist($this->myDOMXPath->query($eval_str,$contextnode->myDOMNode),$this->myOwnerDocument);\r
-  else return new php4DOMNodelist($this->myDOMXPath->query($eval_str),$this->myOwnerDocument);\r
- }\r
- function xpath_register_ns($prefix,$namespaceURI) {return $this->myDOMXPath->registerNamespace($prefix,$namespaceURI);}\r
-}\r
-\r
-if (extension_loaded('xsl'))\r
-{//See also: http://alexandre.alapetite.net/doc-alex/xslt-php4-php5/\r
- function domxml_xslt_stylesheet($xslstring) {return new php4DomXsltStylesheet(DOMDocument::loadXML($xslstring));}\r
- function domxml_xslt_stylesheet_doc($dom_document) {return new php4DomXsltStylesheet($dom_document);}\r
- function domxml_xslt_stylesheet_file($xslfile) {return new php4DomXsltStylesheet(DOMDocument::load($xslfile));}\r
- class php4DomXsltStylesheet\r
- {\r
-  var $myxsltProcessor;\r
-  function php4DomXsltStylesheet($dom_document)\r
-  {\r
-   $this->myxsltProcessor=new xsltProcessor();\r
-   $this->myxsltProcessor->importStyleSheet($dom_document);\r
-  }\r
-  function process($dom_document,$xslt_parameters=array(),$param_is_xpath=false)\r
-  {\r
-   foreach ($xslt_parameters as $param=>$value)\r
-    $this->myxsltProcessor->setParameter('',$param,$value);\r
-   $myphp4DOMDocument=new php4DOMDocument();\r
-   $myphp4DOMDocument->myDOMNode=$this->myxsltProcessor->transformToDoc($dom_document->myDOMNode);\r
-   return $myphp4DOMDocument;\r
-  }\r
-  function result_dump_file($dom_document,$filename)\r
-  {\r
-   $html=$dom_document->myDOMNode->saveHTML();\r
-   file_put_contents($filename,$html);\r
-   return $html;\r
-  }\r
-  function result_dump_mem($dom_document) {return $dom_document->myDOMNode->saveHTML();}\r
- }\r
-}\r
+<?php
+/**
+ * @file domxml-php4-php5.php
+ * Require PHP5, uses built-in DOM extension.
+ * To be used in PHP4 scripts using DOMXML extension.
+ * Allows PHP4/DOMXML scripts to run on PHP5/DOM.
+ * (Requires PHP5/XSL extension for domxml_xslt functions)
+ *
+ * Typical use:
+ * <pre>
+ * {
+ *  if (version_compare(PHP_VERSION,'5','>='))
+ *   require_once('domxml-php4-to-php5.php');
+ * }
+ * </pre>
+ *
+ * Version 1.5.5, 2005-01-18, http://alexandre.alapetite.net/doc-alex/domxml-php4-php5/
+ *
+ * ------------------------------------------------------------------<br>
+ * Written by Alexandre Alapetite, http://alexandre.alapetite.net/cv/
+ *
+ * Copyright 2004, Licence: Creative Commons "Attribution-ShareAlike 2.0 France" BY-SA (FR),
+ * http://creativecommons.org/licenses/by-sa/2.0/fr/
+ * http://alexandre.alapetite.net/divers/apropos/#by-sa
+ * - Attribution. You must give the original author credit
+ * - Share Alike. If you alter, transform, or build upon this work,
+ *   you may distribute the resulting work only under a license identical to this one
+ * - The French law is authoritative
+ * - Any of these conditions can be waived if you get permission from Alexandre Alapetite
+ * - Please send to Alexandre Alapetite the modifications you make,
+ *   in order to improve this file for the benefit of everybody
+ *
+ * If you want to distribute this code, please do it as a link to:
+ * http://alexandre.alapetite.net/doc-alex/domxml-php4-php5/
+ */
+
+function domxml_new_doc($version) {return new php4DOMDocument('');}
+function domxml_open_file($filename) {return new php4DOMDocument($filename);}
+function domxml_open_mem($str)
+{
+ $dom=new php4DOMDocument('');
+ $dom->myDOMNode->loadXML($str);
+ return $dom;
+}
+function xpath_eval($xpath_context,$eval_str,$contextnode=null) {return $xpath_context->query($eval_str,$contextnode);}
+function xpath_new_context($dom_document) {return new php4DOMXPath($dom_document);}
+
+class php4DOMAttr extends php4DOMNode
+{
+ function php4DOMAttr($aDOMAttr) {$this->myDOMNode=$aDOMAttr;}
+ function Name() {return $this->myDOMNode->name;}
+ function Specified() {return $this->myDOMNode->specified;}
+ function Value() {return $this->myDOMNode->value;}
+}
+
+class php4DOMDocument extends php4DOMNode
+{
+ function php4DOMDocument($filename='')
+ {
+  $this->myDOMNode=new DOMDocument();
+  if ($filename!='') $this->myDOMNode->load($filename);
+ }
+ function create_attribute($name,$value)
+ {
+  $myAttr=$this->myDOMNode->createAttribute($name);
+  $myAttr->value=$value;
+  return new php4DOMAttr($myAttr,$this);
+ }
+ function create_cdata_section($content) {return new php4DOMNode($this->myDOMNode->createCDATASection($content),$this);}
+ function create_comment($data) {return new php4DOMNode($this->myDOMNode->createComment($data),$this);}
+ function create_element($name) {return new php4DOMElement($this->myDOMNode->createElement($name),$this);}
+ function create_text_node($content) {return new php4DOMNode($this->myDOMNode->createTextNode($content),$this);}
+ function document_element() {return new php4DOMElement($this->myDOMNode->documentElement,$this);}
+ function dump_file($filename,$compressionmode=false,$format=false) {return $this->myDOMNode->save($filename);}
+ function dump_mem($format=false,$encoding=false) {return $this->myDOMNode->saveXML();}
+ function get_element_by_id($id) {return new php4DOMElement($this->myDOMNode->getElementById($id),$this);}
+ function get_elements_by_tagname($name)
+ {
+  $myDOMNodeList=$this->myDOMNode->getElementsByTagName($name);
+  $nodeSet=array();
+  $i=0;
+  if (isset($myDOMNodeList))
+   while ($node=$myDOMNodeList->item($i))
+   {
+    $nodeSet[]=new php4DOMElement($node,$this);
+    $i++;
+   }
+  return $nodeSet;
+ }
+ function html_dump_mem() {return $this->myDOMNode->saveHTML();}
+ function root() {return new php4DOMElement($this->myDOMNode->documentElement,$this);}
+}
+
+class php4DOMElement extends php4DOMNode
+{
+ function get_attribute($name) {return $this->myDOMNode->getAttribute($name);}
+ function get_elements_by_tagname($name)
+ {
+  $myDOMNodeList=$this->myDOMNode->getElementsByTagName($name);
+  $nodeSet=array();
+  $i=0;
+  if (isset($myDOMNodeList))
+   while ($node=$myDOMNodeList->item($i))
+   {
+    $nodeSet[]=new php4DOMElement($node,$this->myOwnerDocument);
+    $i++;
+   }
+  return $nodeSet;
+ }
+ function has_attribute($name) {return $this->myDOMNode->hasAttribute($name);}
+ function remove_attribute($name) {return $this->myDOMNode->removeAttribute($name);}
+ function set_attribute($name,$value) {return $this->myDOMNode->setAttribute($name,$value);}
+ function tagname() {return $this->myDOMNode->tagName;}
+}
+
+class php4DOMNode
+{
+ var $myDOMNode;
+ var $myOwnerDocument;
+ function php4DOMNode($aDomNode,$aOwnerDocument)
+ {
+  $this->myDOMNode=$aDomNode;
+  $this->myOwnerDocument=$aOwnerDocument;
+ }
+ function __get($name)
+ {
+  if ($name=='type') return $this->myDOMNode->nodeType;
+  elseif ($name=='tagname') return $this->myDOMNode->tagName;
+  elseif ($name=='content') return $this->myDOMNode->textContent;
+  else
+  {
+   $myErrors=debug_backtrace();
+   trigger_error('Undefined property: '.get_class($this).'::$'.$name.' ['.$myErrors[0]['file'].':'.$myErrors[0]['line'].']',E_USER_NOTICE);
+   return false;
+  }
+ }
+ function append_child($newnode) {return new php4DOMElement($this->myDOMNode->appendChild($newnode->myDOMNode),$this->myOwnerDocument);}
+ function append_sibling($newnode) {return new php4DOMElement($this->myDOMNode->parentNode->appendChild($newnode->myDOMNode),$this->myOwnerDocument);}
+ function attributes()
+ {
+  $myDOMNodeList=$this->myDOMNode->attributes;
+  $nodeSet=array();
+  $i=0;
+  if (isset($myDOMNodeList))
+   while ($node=$myDOMNodeList->item($i))
+   {
+    $nodeSet[]=new php4DOMAttr($node,$this->myOwnerDocument);
+    $i++;
+   }
+  return $nodeSet;
+ }
+ function child_nodes()
+ {
+  $myDOMNodeList=$this->myDOMNode->childNodes;
+  $nodeSet=array();
+  $i=0;
+  if (isset($myDOMNodeList))
+   while ($node=$myDOMNodeList->item($i))
+   {
+    $nodeSet[]=new php4DOMElement($node,$this->myOwnerDocument);
+    $i++;
+   }
+  return $nodeSet;
+ }
+ function children() {return $this->child_nodes();}
+ function clone_node($deep=false) {return new php4DOMElement($this->myDOMNode->cloneNode($deep),$this->myOwnerDocument);}
+ function first_child() {return new php4DOMElement($this->myDOMNode->firstChild,$this->myOwnerDocument);}
+ function get_content() {return $this->myDOMNode->textContent;}
+ function has_attributes() {return $this->myDOMNode->hasAttributes();}
+ function has_child_nodes() {return $this->myDOMNode->hasChildNodes();}
+ function insert_before($newnode,$refnode) {return new php4DOMElement($this->myDOMNode->insertBefore($newnode->myDOMNode,$refnode->myDOMNode),$this->myOwnerDocument);}
+ function is_blank_node()
+ {
+  $myDOMNodeList=$this->myDOMNode->childNodes;
+  $i=0;
+  if (isset($myDOMNodeList))
+   while ($node=$myDOMNodeList->item($i))
+   {
+    if (($node->nodeType==XML_ELEMENT_NODE)||
+        (($node->nodeType==XML_TEXT_NODE)&&!ereg('^([[:cntrl:]]|[[:space:]])*$',$node->nodeValue)))
+     return false;
+    $i++;
+   }
+  return true;
+ }
+ function last_child() {return new php4DOMElement($this->myDOMNode->lastChild,$this->myOwnerDocument);}
+ function new_child($name,$content)
+ {
+  $mySubNode=$this->myDOMNode->ownerDocument->createElement($name);
+  $mySubNode->appendChild($this->myDOMNode->ownerDocument->createTextNode($content));
+  $this->myDOMNode->appendChild($mySubNode);
+  return new php4DOMElement($mySubNode,$this->myOwnerDocument);
+ }
+ function next_sibling() {return new php4DOMElement($this->myDOMNode->nextSibling,$this->myOwnerDocument);}
+ function node_name() {return $this->myDOMNode->localName;}
+ function node_type() {return $this->myDOMNode->nodeType;}
+ function node_value() {return $this->myDOMNode->nodeValue;}
+ function owner_document() {return $this->myOwnerDocument;}
+ function parent_node() {return new php4DOMElement($this->myDOMNode->parentNode,$this->myOwnerDocument);}
+ function prefix() {return $this->myDOMNode->prefix;}
+ function previous_sibling() {return new php4DOMElement($this->myDOMNode->previousSibling,$this->myOwnerDocument);}
+ function remove_child($oldchild) {return new php4DOMElement($this->myDOMNode->removeChild($oldchild->myDOMNode),$this->myOwnerDocument);}
+ function replace_child($oldnode,$newnode) {return new php4DOMElement($this->myDOMNode->replaceChild($oldnode->myDOMNode,$newnode->myDOMNode),$this->myOwnerDocument);}
+ function set_content($text)
+ {
+  if (($this->myDOMNode->hasChildNodes())&&($this->myDOMNode->firstChild->nodeType==XML_TEXT_NODE))
+   $this->myDOMNode->removeChild($this->myDOMNode->firstChild);
+  return $this->myDOMNode->appendChild($this->myDOMNode->ownerDocument->createTextNode($text));
+ }
+}
+
+class php4DOMNodelist
+{
+ var $myDOMNodelist;
+ var $nodeset;
+ function php4DOMNodelist($aDOMNodelist,$aOwnerDocument)
+ {
+  $this->myDOMNodelist=$aDOMNodelist;
+  $this->nodeset=array();
+  $i=0;
+  if (isset($this->myDOMNodelist))
+   while ($node=$this->myDOMNodelist->item($i))
+   {
+    $this->nodeset[]=new php4DOMElement($node,$aOwnerDocument);
+    $i++;
+   }
+ }
+}
+
+class php4DOMXPath
+{
+ var $myDOMXPath;
+ var $myOwnerDocument;
+ function php4DOMXPath($dom_document)
+ {
+  $this->myOwnerDocument=$dom_document;
+  $this->myDOMXPath=new DOMXPath($dom_document->myDOMNode);
+ }
+ function query($eval_str,$contextnode)
+ {
+  if (isset($contextnode)) return new php4DOMNodelist($this->myDOMXPath->query($eval_str,$contextnode->myDOMNode),$this->myOwnerDocument);
+  else return new php4DOMNodelist($this->myDOMXPath->query($eval_str),$this->myOwnerDocument);
+ }
+ function xpath_register_ns($prefix,$namespaceURI) {return $this->myDOMXPath->registerNamespace($prefix,$namespaceURI);}
+}
+
+if (extension_loaded('xsl'))
+{//See also: http://alexandre.alapetite.net/doc-alex/xslt-php4-php5/
+ function domxml_xslt_stylesheet($xslstring) {return new php4DomXsltStylesheet(DOMDocument::loadXML($xslstring));}
+ function domxml_xslt_stylesheet_doc($dom_document) {return new php4DomXsltStylesheet($dom_document);}
+ function domxml_xslt_stylesheet_file($xslfile) {return new php4DomXsltStylesheet(DOMDocument::load($xslfile));}
+ class php4DomXsltStylesheet
+ {
+  var $myxsltProcessor;
+  function php4DomXsltStylesheet($dom_document)
+  {
+   $this->myxsltProcessor=new xsltProcessor();
+   $this->myxsltProcessor->importStyleSheet($dom_document);
+  }
+  function process($dom_document,$xslt_parameters=array(),$param_is_xpath=false)
+  {
+   foreach ($xslt_parameters as $param=>$value)
+    $this->myxsltProcessor->setParameter('',$param,$value);
+   $myphp4DOMDocument=new php4DOMDocument();
+   $myphp4DOMDocument->myDOMNode=$this->myxsltProcessor->transformToDoc($dom_document->myDOMNode);
+   return $myphp4DOMDocument;
+  }
+  function result_dump_file($dom_document,$filename)
+  {
+   $html=$dom_document->myDOMNode->saveHTML();
+   file_put_contents($filename,$html);
+   return $html;
+  }
+  function result_dump_mem($dom_document) {return $dom_document->myDOMNode->saveHTML();}
+ }
+}
 ?>
\ No newline at end of file
index 3d67473d98caf9a7097bb8346e29ad3a9a1fff21..0b139c7cad2c828abe0d66387017cb4eee4e0fb0 100644 (file)
@@ -1,27 +1,27 @@
-<?php\r
-\r
-/**\r
- * @file languages/spanish.php\r
- * @author Iván-Benjamín García Torà <ivaniclixx AT gmail DOT com>\r
- * @sa @link internalLang Internationalization @endlink\r
- * @ingroup internalLang\r
- */\r
-\r
-$this->_strings = array(\r
- CAS_STR_USING_SERVER \r
- => 'usant servidor',\r
- CAS_STR_AUTHENTICATION_WANTED \r
- => 'Autentificació CAS necessària!',\r
- CAS_STR_LOGOUT \r
- => 'Sortida de CAS necessària!',\r
- CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED \r
- => 'Ja hauria d\ haver estat redireccionat al servidor CAS. Feu click <a href="%s">aquí</a> per a continuar.',\r
- CAS_STR_AUTHENTICATION_FAILED \r
- => 'Autentificació CAS fallida!',\r
- CAS_STR_YOU_WERE_NOT_AUTHENTICATED \r
- => '<p>No estàs autentificat.</p><p>Pots tornar a intentar-ho fent click <a href="%s">aquí</a>.</p><p>Si el problema persisteix hauría de contactar amb l\'<a href="mailto:%s">administrador d\'aquest llocc</a>.</p>',\r
- CAS_STR_SERVICE_UNAVAILABLE\r
- => 'El servei `<b>%s</b>\' no està disponible (<b>%s</b>).'\r
-);\r
-\r
-?>\r
+<?php
+
+/**
+ * @file languages/spanish.php
+ * @author Iván-Benjamín García Torà <ivaniclixx AT gmail DOT com>
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+
+$this->_strings = array(
+ CAS_STR_USING_SERVER 
+ => 'usant servidor',
+ CAS_STR_AUTHENTICATION_WANTED 
+ => 'Autentificació CAS necessària!',
+ CAS_STR_LOGOUT 
+ => 'Sortida de CAS necessària!',
+ CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED 
+ => 'Ja hauria d\ haver estat redireccionat al servidor CAS. Feu click <a href="%s">aquí</a> per a continuar.',
+ CAS_STR_AUTHENTICATION_FAILED 
+ => 'Autentificació CAS fallida!',
+ CAS_STR_YOU_WERE_NOT_AUTHENTICATED 
+ => '<p>No estàs autentificat.</p><p>Pots tornar a intentar-ho fent click <a href="%s">aquí</a>.</p><p>Si el problema persisteix hauría de contactar amb l\'<a href="mailto:%s">administrador d\'aquest llocc</a>.</p>',
+ CAS_STR_SERVICE_UNAVAILABLE
+ => 'El servei `<b>%s</b>\' no està disponible (<b>%s</b>).'
+);
+
+?>
index c14345031429cdb55be5135ece9fdc5ef3603c37..d38d42c1f7c510eeab3b32498aa46348970234e8 100644 (file)
@@ -1,27 +1,27 @@
-<?php\r
-\r
-/**\r
- * @file languages/english.php\r
- * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>\r
- * @sa @link internalLang Internationalization @endlink\r
- * @ingroup internalLang\r
- */\r
-\r
-$this->_strings = array(\r
- CAS_STR_USING_SERVER \r
- => 'using server',\r
- CAS_STR_AUTHENTICATION_WANTED \r
- => 'CAS Authentication wanted!',\r
- CAS_STR_LOGOUT \r
- => 'CAS logout wanted!',\r
- CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED \r
- => 'You should already have been redirected to the CAS server. Click <a href="%s">here</a> to continue.',\r
- CAS_STR_AUTHENTICATION_FAILED \r
- => 'CAS Authentication failed!',\r
- CAS_STR_YOU_WERE_NOT_AUTHENTICATED \r
- => '<p>You were not authenticated.</p><p>You may submit your request again by clicking <a href="%s">here</a>.</p><p>If the problem persists, you may contact <a href="mailto:%s">the administrator of this site</a>.</p>',\r
- CAS_STR_SERVICE_UNAVAILABLE\r
- => 'The service `<b>%s</b>\' is not available (<b>%s</b>).'\r
-);\r
-\r
+<?php
+
+/**
+ * @file languages/english.php
+ * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+
+$this->_strings = array(
+ CAS_STR_USING_SERVER 
+ => 'using server',
+ CAS_STR_AUTHENTICATION_WANTED 
+ => 'CAS Authentication wanted!',
+ CAS_STR_LOGOUT 
+ => 'CAS logout wanted!',
+ CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED 
+ => 'You should already have been redirected to the CAS server. Click <a href="%s">here</a> to continue.',
+ CAS_STR_AUTHENTICATION_FAILED 
+ => 'CAS Authentication failed!',
+ CAS_STR_YOU_WERE_NOT_AUTHENTICATED 
+ => '<p>You were not authenticated.</p><p>You may submit your request again by clicking <a href="%s">here</a>.</p><p>If the problem persists, you may contact <a href="mailto:%s">the administrator of this site</a>.</p>',
+ CAS_STR_SERVICE_UNAVAILABLE
+ => 'The service `<b>%s</b>\' is not available (<b>%s</b>).'
+);
+
 ?>
\ No newline at end of file
index 675a7fc04ecafdf638f6aa396027e9bec18a9855..32d14168506e5044fd9ccfdc6a7a808c68c8536a 100644 (file)
@@ -1,28 +1,28 @@
-<?php\r
-\r
-/**\r
- * @file languages/english.php\r
- * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>\r
- * @sa @link internalLang Internationalization @endlink\r
- * @ingroup internalLang\r
- */\r
-\r
-$this->_strings = array(\r
- CAS_STR_USING_SERVER \r
- => 'utilisant le serveur',\r
- CAS_STR_AUTHENTICATION_WANTED \r
- => 'Authentication CAS nécessaire&nbsp;!',\r
- CAS_STR_LOGOUT \r
- => 'Déconnexion demandée&nbsp;!',\r
- CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED \r
- => 'Vous auriez du etre redirigé(e) vers le serveur CAS. Cliquez <a href="%s">ici</a> pour continuer.',\r
- CAS_STR_AUTHENTICATION_FAILED \r
- => 'Authentification CAS infructueuse&nbsp;!',\r
- CAS_STR_YOU_WERE_NOT_AUTHENTICATED \r
- => '<p>Vous n\'avez pas été authentifié(e).</p><p>Vous pouvez soumettre votre requete à nouveau en cliquant <a href="%s">ici</a>.</p><p>Si le problème persiste, vous pouvez contacter <a href="mailto:%s">l\'administrateur de ce site</a>.</p>',\r
- CAS_STR_SERVICE_UNAVAILABLE\r
- => 'Le service `<b>%s</b>\' est indisponible (<b>%s</b>)'\r
-\r
-);\r
-\r
+<?php
+
+/**
+ * @file languages/english.php
+ * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+
+$this->_strings = array(
+ CAS_STR_USING_SERVER 
+ => 'utilisant le serveur',
+ CAS_STR_AUTHENTICATION_WANTED 
+ => 'Authentication CAS nécessaire&nbsp;!',
+ CAS_STR_LOGOUT 
+ => 'Déconnexion demandée&nbsp;!',
+ CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED 
+ => 'Vous auriez du etre redirigé(e) vers le serveur CAS. Cliquez <a href="%s">ici</a> pour continuer.',
+ CAS_STR_AUTHENTICATION_FAILED 
+ => 'Authentification CAS infructueuse&nbsp;!',
+ CAS_STR_YOU_WERE_NOT_AUTHENTICATED 
+ => '<p>Vous n\'avez pas été authentifié(e).</p><p>Vous pouvez soumettre votre requete à nouveau en cliquant <a href="%s">ici</a>.</p><p>Si le problème persiste, vous pouvez contacter <a href="mailto:%s">l\'administrateur de ce site</a>.</p>',
+ CAS_STR_SERVICE_UNAVAILABLE
+ => 'Le service `<b>%s</b>\' est indisponible (<b>%s</b>)'
+
+);
+
 ?>
\ No newline at end of file
index 29daeb35ddebec77ae1e527c3394ece9d7d69207..55c3238fde3ad36bc1f313a67707defdd4a5516d 100644 (file)
@@ -1,27 +1,27 @@
-<?php\r
-\r
-/**\r
- * @file languages/german.php\r
- * @author Henrik Genssen <hg at mediafactory.de>\r
- * @sa @link internalLang Internationalization @endlink\r
- * @ingroup internalLang\r
- */\r
-\r
-$this->_strings = array(\r
- CAS_STR_USING_SERVER \r
- => 'via Server',\r
- CAS_STR_AUTHENTICATION_WANTED \r
- => 'CAS Authentifizierung erforderlich!',\r
- CAS_STR_LOGOUT \r
- => 'CAS Abmeldung!',\r
- CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED \r
- => 'eigentlich h&auml;ten Sie zum CAS Server weitergeleitet werden sollen. Dr&uuml;cken Sie <a href="%s">hier</a> um fortzufahren.',\r
- CAS_STR_AUTHENTICATION_FAILED \r
- => 'CAS Anmeldung fehlgeschlagen!',\r
- CAS_STR_YOU_WERE_NOT_AUTHENTICATED \r
- => '<p>Sie wurden nicht angemeldet.</p><p>Um es erneut zu versuchen klicken Sie <a href="%s">hier</a>.</p><p>Wenn das Problem bestehen bleibt, kontkatieren Sie den <a href="mailto:%s">Administrator</a> dieser Seite.</p>',\r
- CAS_STR_SERVICE_UNAVAILABLE\r
- => 'Der Dienst `<b>%s</b>\' ist nicht verf&uuml;gbar (<b>%s</b>).'\r
-);\r
-\r
+<?php
+
+/**
+ * @file languages/german.php
+ * @author Henrik Genssen <hg at mediafactory.de>
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+
+$this->_strings = array(
+ CAS_STR_USING_SERVER 
+ => 'via Server',
+ CAS_STR_AUTHENTICATION_WANTED 
+ => 'CAS Authentifizierung erforderlich!',
+ CAS_STR_LOGOUT 
+ => 'CAS Abmeldung!',
+ CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED 
+ => 'eigentlich h&auml;ten Sie zum CAS Server weitergeleitet werden sollen. Dr&uuml;cken Sie <a href="%s">hier</a> um fortzufahren.',
+ CAS_STR_AUTHENTICATION_FAILED 
+ => 'CAS Anmeldung fehlgeschlagen!',
+ CAS_STR_YOU_WERE_NOT_AUTHENTICATED 
+ => '<p>Sie wurden nicht angemeldet.</p><p>Um es erneut zu versuchen klicken Sie <a href="%s">hier</a>.</p><p>Wenn das Problem bestehen bleibt, kontkatieren Sie den <a href="mailto:%s">Administrator</a> dieser Seite.</p>',
+ CAS_STR_SERVICE_UNAVAILABLE
+ => 'Der Dienst `<b>%s</b>\' ist nicht verf&uuml;gbar (<b>%s</b>).'
+);
+
 ?>
\ No newline at end of file
index c17b1d66377d8844daafb21a4307c4fe41275c53..d41bf783b4a602f1b534e55f58d81a3cbc4f4b16 100644 (file)
@@ -1,27 +1,27 @@
-<?php\r
-\r
-/**\r
- * @file languages/greek.php\r
- * @author Vangelis Haniotakis <haniotak at ucnet.uoc.gr>\r
- * @sa @link internalLang Internationalization @endlink\r
- * @ingroup internalLang\r
- */\r
-\r
-$this->_strings = array(\r
- CAS_STR_USING_SERVER \r
- => '÷ñçóéìïðïéåßôáé ï åîõðçñåôçôÞò',\r
- CAS_STR_AUTHENTICATION_WANTED \r
- => 'Áðáéôåßôáé ç ôáõôïðïßçóç CAS!',\r
- CAS_STR_LOGOUT \r
- => 'Áðáéôåßôáé ç áðïóýíäåóç áðü CAS!',\r
- CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED \r
- => 'Èá Ýðñåðå íá åß÷áôå áíáêáôåõèõíèåß óôïí åîõðçñåôçôÞ CAS. ÊÜíôå êëßê <a href="%s">åäþ</a> ãéá íá óõíå÷ßóåôå.',\r
- CAS_STR_AUTHENTICATION_FAILED \r
- => 'Ç ôáõôïðïßçóç CAS áðÝôõ÷å!',\r
- CAS_STR_YOU_WERE_NOT_AUTHENTICATED \r
- => '<p>Äåí ôáõôïðïéçèÞêáôå.</p><p>Ìðïñåßôå íá îáíáðñïóðáèÞóåôå, êÜíïíôáò êëßê <a href="%s">åäþ</a>.</p><p>Åáí ôï ðñüâëçìá åðéìåßíåé, åëÜôå óå åðáöÞ ìå ôïí <a href="mailto:%s">äéá÷åéñéóôÞ</a>.</p>',\r
- CAS_STR_SERVICE_UNAVAILABLE\r
- => 'Ç õðçñåóßá `<b>%s</b>\' äåí åßíáé äéáèÝóéìç (<b>%s</b>).'\r
-);\r
-\r
+<?php
+
+/**
+ * @file languages/greek.php
+ * @author Vangelis Haniotakis <haniotak at ucnet.uoc.gr>
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+
+$this->_strings = array(
+ CAS_STR_USING_SERVER 
+ => '÷ñçóéìïðïéåßôáé ï åîõðçñåôçôÞò',
+ CAS_STR_AUTHENTICATION_WANTED 
+ => 'Áðáéôåßôáé ç ôáõôïðïßçóç CAS!',
+ CAS_STR_LOGOUT 
+ => 'Áðáéôåßôáé ç áðïóýíäåóç áðü CAS!',
+ CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED 
+ => 'Èá Ýðñåðå íá åß÷áôå áíáêáôåõèõíèåß óôïí åîõðçñåôçôÞ CAS. ÊÜíôå êëßê <a href="%s">åäþ</a> ãéá íá óõíå÷ßóåôå.',
+ CAS_STR_AUTHENTICATION_FAILED 
+ => 'Ç ôáõôïðïßçóç CAS áðÝôõ÷å!',
+ CAS_STR_YOU_WERE_NOT_AUTHENTICATED 
+ => '<p>Äåí ôáõôïðïéçèÞêáôå.</p><p>Ìðïñåßôå íá îáíáðñïóðáèÞóåôå, êÜíïíôáò êëßê <a href="%s">åäþ</a>.</p><p>Åáí ôï ðñüâëçìá åðéìåßíåé, åëÜôå óå åðáöÞ ìå ôïí <a href="mailto:%s">äéá÷åéñéóôÞ</a>.</p>',
+ CAS_STR_SERVICE_UNAVAILABLE
+ => 'Ç õðçñåóßá `<b>%s</b>\' äåí åßíáé äéáèÝóéìç (<b>%s</b>).'
+);
+
 ?>
\ No newline at end of file
index 2c6f8bb3b300ee066364725e19beea1f2e643520..001cfe445cddfaa9afc78e5cb56431e937117400 100644 (file)
@@ -1,24 +1,24 @@
-<?php\r
-\r
-/**\r
- * @file languages/languages.php\r
- * Internationalization constants\r
- * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>\r
- * @sa @link internalLang Internationalization @endlink\r
- * @ingroup internalLang\r
- */\r
-\r
-//@{\r
-/**\r
- * a phpCAS string index\r
- */\r
-define("CAS_STR_USING_SERVER",                1);\r
-define("CAS_STR_AUTHENTICATION_WANTED",       2);\r
-define("CAS_STR_LOGOUT",                      3);\r
-define("CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED", 4);\r
-define("CAS_STR_AUTHENTICATION_FAILED",       5);\r
-define("CAS_STR_YOU_WERE_NOT_AUTHENTICATED",  6);\r
-define("CAS_STR_SERVICE_UNAVAILABLE",         7);\r
-//@}\r
-\r
+<?php
+
+/**
+ * @file languages/languages.php
+ * Internationalization constants
+ * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+
+//@{
+/**
+ * a phpCAS string index
+ */
+define("CAS_STR_USING_SERVER",                1);
+define("CAS_STR_AUTHENTICATION_WANTED",       2);
+define("CAS_STR_LOGOUT",                      3);
+define("CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED", 4);
+define("CAS_STR_AUTHENTICATION_FAILED",       5);
+define("CAS_STR_YOU_WERE_NOT_AUTHENTICATED",  6);
+define("CAS_STR_SERVICE_UNAVAILABLE",         7);
+//@}
+
 ?>
\ No newline at end of file
index 3a8ffc25358bcdb0c363adb0546830bc6bbfb9a2..04067ca03b644ae41c97ad2512632530448d3d65 100644 (file)
@@ -1,27 +1,27 @@
-<?php\r
-\r
-/**\r
- * @file languages/spanish.php\r
- * @author Iván-Benjamín García Torà <ivaniclixx AT gmail DOT com>\r
- * @sa @link internalLang Internationalization @endlink\r
- * @ingroup internalLang\r
- */\r
-\r
-$this->_strings = array(\r
- CAS_STR_USING_SERVER \r
- => 'usando servidor',\r
- CAS_STR_AUTHENTICATION_WANTED \r
- => '¡Autentificación CAS necesaria!',\r
- CAS_STR_LOGOUT \r
- => '¡Salida CAS necesaria!',\r
- CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED \r
- => 'Ya debería haber sido redireccionado al servidor CAS. Haga click <a href="%s">aquí</a> para continuar.',\r
- CAS_STR_AUTHENTICATION_FAILED \r
- => '¡Autentificación CAS fallida!',\r
- CAS_STR_YOU_WERE_NOT_AUTHENTICATED \r
- => '<p>No estás autentificado.</p><p>Puedes volver a intentarlo haciendo click <a href="%s">aquí</a>.</p><p>Si el problema persiste debería contactar con el <a href="mailto:%s">administrador de este sitio</a>.</p>',\r
- CAS_STR_SERVICE_UNAVAILABLE\r
- => 'El servicio `<b>%s</b>\' no está disponible (<b>%s</b>).'\r
-);\r
-\r
-?>\r
+<?php
+
+/**
+ * @file languages/spanish.php
+ * @author Iván-Benjamín García Torà <ivaniclixx AT gmail DOT com>
+ * @sa @link internalLang Internationalization @endlink
+ * @ingroup internalLang
+ */
+
+$this->_strings = array(
+ CAS_STR_USING_SERVER 
+ => 'usando servidor',
+ CAS_STR_AUTHENTICATION_WANTED 
+ => '¡Autentificación CAS necesaria!',
+ CAS_STR_LOGOUT 
+ => '¡Salida CAS necesaria!',
+ CAS_STR_SHOULD_HAVE_BEEN_REDIRECTED 
+ => 'Ya debería haber sido redireccionado al servidor CAS. Haga click <a href="%s">aquí</a> para continuar.',
+ CAS_STR_AUTHENTICATION_FAILED 
+ => '¡Autentificación CAS fallida!',
+ CAS_STR_YOU_WERE_NOT_AUTHENTICATED 
+ => '<p>No estás autentificado.</p><p>Puedes volver a intentarlo haciendo click <a href="%s">aquí</a>.</p><p>Si el problema persiste debería contactar con el <a href="mailto:%s">administrador de este sitio</a>.</p>',
+ CAS_STR_SERVICE_UNAVAILABLE
+ => 'El servicio `<b>%s</b>\' no está disponible (<b>%s</b>).'
+);
+
+?>