X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Frdf.class.php;h=33d82dbc679e6ca10ce4a32ae2898477cbe4665c;hp=d42bdbff8d0dce5e4ff8552a965f7808137a03d4;hb=f928ad2bed60fa256d0641eaf6d2c027a2944688;hpb=798486d19f1eef4f1375d4d9b3d3a216e815fb74 diff --git a/inc/rdf.class.php b/inc/rdf.class.php index d42bdbff8d..33d82dbc67 100644 --- a/inc/rdf.class.php +++ b/inc/rdf.class.php @@ -1,5 +1,5 @@ -* @version 1.7 ($Date: 2003/07/06 20:33:58 $) $Revision: 1.40 $ -* @access public -*/ + * Class RSS Parser + * + * This class offers methods to parse RSS Files + * + * @link http://www.fase4.com/rdf/ Latest release of this class + * @package rss + * @copyright Copyright (c) 2001 fase4.com. All rights reserved. + * @author Stefan Saasen + * @author Roland Haeder + * @version 1.7 ($Date$Revision: 856 $ + * @access public + */ class fase4_rdf { - /** - * Word-wrapping mode for description, set it to 0 do disable this feature! Ommits _use_nl2br! - * - * @access private - * @var integer - */ - var $_word_wrap = 0; - - /** - * Wether to recode \n ->
or not in description - * - * @access private - * @var boolean - */ - var $_use_nl2br = true; - - /** - * Sets the decoding mode of the read data (UTF8 scrambles some german umlauts here!) - * - * "htmlentities" - Use the function htmlentities() - * "utf8_decode" - Use the function ut8_decode() when you have UTF8 encoded text - * - * @access private - * @var string - */ - var $_decoding_mode = "utf8_decode"; - - /** - * If $_link_target is set a target='xxx' attribute in each and
html tag will be added - * - * Possible values are "_blank", "_content", "_parent", "_self", "_top" - * - * @access private - * @var string - */ - var $_link_target = "_blank"; - - /** - * vars for proxy settings - Prox Host - * - * @access private - * @var string - */ - var $_phost = ""; - - /** - * vars for proxy settings - Prox Port - * - * @access private - * @var string - */ - var $_pport = ""; - - /** - * vars for proxy settings - Prox Username - * - * @access private - * @var string - */ - var $_pname = ""; - - /** - * vars for proxy settings - Prox Password - * - * @access private - * @var string - */ - var $_ppasswd = ""; - - /** - * just a flag for checking if proxy-support should be enabled - * set default to false (will be enabled if set_proxy is called) - * - * @access private - * @see set_proxy() - * @var bool - */ - var $_use_proxy = false; - - /** - * just a flag for checking if proxy-support with authentication - * should be enabled - * set default to false (will be enabled if set_proxy is called) - * - * @access private - * @see set_proxy() - * @var boolean - */ - var $_use_proxy_auth = false; - - /** - * The time the Files will be cached (in seconds). - * - * @access private - * @var int - */ - var $_refresh = 60; // int - - /** - * The Name of the cached File. - * - * @access private - * @var string - */ - var $_cached_file = ""; // String - - /** - * Indicates whether the cached or the remote file was used. - * - * @access private - * @var boolean - */ - var $_use_cached_file = true; - - /** - * (fast|normal) depends on _use_dynamic_display(). _use_dynamic_display( TRUE ) -> 'normal', otherwise 'fast' - * - * @access private - * @var string - */ - var $_cache_type = "fast"; - - /** - * The Name of the Remote File. - * - * @access private - * @var string - */ - var $_remote_file = ""; - - /** - * Path to the Cache Directory. - * - * @access private - * @var string - */ - var $_cache_dir = "cache/"; // String - - /** - * Indicates whether the Creating of the Cache Directory needs to be done or not. - * - * @access private - * @var boolean - */ - var $_cache_dir_ok = false; - - /** - * Type of the file to be parsed (RSS or RDF). - * - * The Type depends on the root node - * - * @access private - * @var string - */ - var $_type = "rss"; // string (rss or rdf) - - /** - * Array of Display Settings. - * - * Specific Parameters can be set to hidden. These are: - * image, channel and textinput. If set to "hidden" those elements won't be displayed. - * - * @access private - * @var array - */ - var $_display_opt = array( + /** + * Word-wrapping mode for description, set it to 0 do disable this feature! Ommits _use_nl2br! + * + * @access private + * @var integer + */ + var $_word_wrap = 0; + + /** + * Wether to recode \n ->
or not in description + * + * @access private + * @var boolean + */ + var $_use_nl2br = true; + + /** + * Sets the decoding mode of the read data (UTF8 scrambles some german umlauts here!) + * + * "htmlentities" - Use the function htmlentities() + * "utf8_decode" - Use the function ut8_decode() when you have UTF8 encoded text + * + * @access private + * @var string + */ + var $_decoding_mode = "utf8_decode"; + + /** + * If $_link_target is set a target='xxx' attribute in each and html tag will be added + * + * Possible values are "_blank", "_content", "_parent", "_self", "_top" + * + * @access private + * @var string + */ + var $_link_target = "_blank"; + + /** + * vars for proxy settings - Prox Host + * + * @access private + * @var string + */ + var $_phost = ""; + + /** + * vars for proxy settings - Prox Port + * + * @access private + * @var string + */ + var $_pport = ""; + + /** + * vars for proxy settings - Prox Username + * + * @access private + * @var string + */ + var $_pname = ""; + + /** + * vars for proxy settings - Prox Password + * + * @access private + * @var string + */ + var $_ppasswd = ""; + + /** + * just a flag for checking if proxy-support should be enabled + * set default to false (will be enabled if set_proxy is called) + * + * @access private + * @see set_proxy() + * @var bool + */ + var $_use_proxy = false; + + /** + * just a flag for checking if proxy-support with authentication + * should be enabled + * set default to false (will be enabled if set_proxy is called) + * + * @access private + * @see set_proxy() + * @var boolean + */ + var $_use_proxy_auth = false; + + /** + * The time the Files will be cached (in seconds). + * + * @access private + * @var int + */ + var $_refresh = 60; // int + + /** + * The Name of the cached File. + * + * @access private + * @var string + */ + var $_cached_file = ""; // String + + /** + * Indicates whether the cached or the remote file was used. + * + * @access private + * @var boolean + */ + var $_use_cached_file = true; + + /** + * (fast|normal) depends on _use_dynamic_display(). _use_dynamic_display( TRUE ) -> 'normal', otherwise 'fast' + * + * @access private + * @var string + */ + var $_cache_type = "fast"; + + /** + * The Name of the Remote File. + * + * @access private + * @var string + */ + var $_remote_file = ""; + + /** + * Path to the Cache Directory. + * + * @access private + * @var string + */ + var $_cache_dir = "cache/"; // String + + /** + * Indicates whether the Creating of the Cache Directory needs to be done or not. + * + * @access private + * @var boolean + */ + var $_cache_dir_ok = false; + + /** + * Type of the file to be parsed (RSS or RDF). + * + * The Type depends on the root node + * + * @access private + * @var string + */ + var $_type = "rss"; // string (rss or rdf) + + /** + * Array of Display Settings. + * + * Specific Parameters can be set to hidden. These are: + * image, channel and textinput. If set to "hidden" those elements won't be displayed. + * + * @access private + * @var array + */ + var $_display_opt = array( 'build' => "", 'image' => "", 'channel' => "", @@ -220,329 +221,329 @@ class fase4_rdf { 'sitelink' => "", 'refid' => "", 'reflink' => "", - ); - - /** - * Defines the width attribute in the table that holds the rdf/rss representation - * - * @access private - * @var int - * @see see_table_width() - */ - var $_table_width = "100%"; - - /** - * Indicates whether or not to use dynamic Display Settings - * - * @access private - * @var array - */ - var $_use_dynamic_display = false; - - /** - * count - * - * @access private - * @var int - */ - var $_item_count = 0; - - /** - * No of max s - * - * @access private - * @var boolean - */ - var $_max_count = false; - - /** - * Array containing the content of - * - * @access private - * @var array - */ - var $_array_channel = array(); - - /** - * Array containing the content of each - * - * @access private - * @var array - */ - var $_array_item = array(); - - /** - * Array containing the content of - * - * @access private - * @var array - */ - var $_array_textinput = array(); - - /** - * Array containing the content of - * - * @access private - * @var array - */ - var $_array_image = array(); - - /** - * Array containing the Channel content. Just For internal XML Parser Purposes. - * - * @access private - * @var array - */ - var $_citem = array(); - - /** - * Array containing the Channel Parser Depth. Just For internal XML Parser Purposes. - * - * @access private - * @var array - */ - var $_cdepth = array(); - - /** - * Array containing the Channel tags. Just For internal XML Parser Purposes. - * - * @access private - * @var array - */ - var $_ctags = array( "x" ); - - /** - * Array containing the Channel content. Just For internal XML Parser Purposes. - * - * @access private - * @var array - */ - var $_item = array(); // Array - - /** - * Array containing the Channel Parser Depth. Just For internal XML Parser Purposes. - * - * @access private - * @var array - */ - var $_depth = array(); // Array - - /** - * Array containing the tags. Just For internal XML Parser Purposes. - * - * @access private - * @var array - */ - var $_tags = array( "x" ); // Array - - /** - * Garbage collection: probability in percent - * - * @var integer 0 => never - * @access public - */ - var $gc_probability = 1; - - /** - * HTML Output - * - * @var string - * @access private - */ - var $_output = ""; - - /** - * @var string - */ - var $_parse_mode = ""; - - // Output variable - var $out = ""; - - // Salt for hashing - var $salt = ""; - - /** - * Constructor of our Class - * - * This Method checks if the Cache Directory can be found. Otherwise it tries to creat the Cache Directory at the specified Path. - * Additionally the Refresh Time is set to a default Value of 1200s (20 min). - * - * @access public - * @author Stefan Saasen - * @see _refresh - */ - function fase4_rdf() - { - // default Value, to be overwritten in set_refresh() - $this->_refresh = (time() - 1200); - $this->_clear_cItems(); - $this->_clear_Items(); - } - - /** - * This Method starts the parsing of the specified RDF File. The File can be a local or a remote File. - * - * @access public - * @author Stefan Saasen - * @param string $rdf RDF File (Location) - * @return string Displays RDF Content ( using _display() ) - * @see _remote_file, cache() - */ - function parse_RDF( $rdf ) - { - unset($this->_array_item); - $this->_remote_file = $rdf; - $this->out .= ""; - $this->out .= "_table_width."\">"; - $this->out .= $this->cache(); - $this->out .= "
"; - $this->_output = ""; - $this->_item_count = 0; - return true; - } - - /** - * This Method is called when all parsing is finished to use the garbage collection - * - * @access public - * @author Stefan Saasen - * @param string $rdf RDF File (Location) - * @return string Displays RDF Content ( using _display() ) - * @see _remote_file, cache() - */ - function finish($return = false) - { + ); + + /** + * Defines the width attribute in the table that holds the rdf/rss representation + * + * @access private + * @var int + * @see see_table_width() + */ + var $_table_width = "100%"; + + /** + * Indicates whether or not to use dynamic Display Settings + * + * @access private + * @var array + */ + var $_use_dynamic_display = false; + + /** + * count + * + * @access private + * @var int + */ + var $_item_count = 0; + + /** + * No of max s + * + * @access private + * @var boolean + */ + var $_max_count = false; + + /** + * Array containing the content of + * + * @access private + * @var array + */ + var $_array_channel = array(); + + /** + * Array containing the content of each + * + * @access private + * @var array + */ + var $_array_item = array(); + + /** + * Array containing the content of + * + * @access private + * @var array + */ + var $_array_textinput = array(); + + /** + * Array containing the content of + * + * @access private + * @var array + */ + var $_array_image = array(); + + /** + * Array containing the Channel content. Just For internal XML Parser Purposes. + * + * @access private + * @var array + */ + var $_citem = array(); + + /** + * Array containing the Channel Parser Depth. Just For internal XML Parser Purposes. + * + * @access private + * @var array + */ + var $_cdepth = array(); + + /** + * Array containing the Channel tags. Just For internal XML Parser Purposes. + * + * @access private + * @var array + */ + var $_ctags = array( "x" ); + + /** + * Array containing the Channel content. Just For internal XML Parser Purposes. + * + * @access private + * @var array + */ + var $_item = array(); // Array + + /** + * Array containing the Channel Parser Depth. Just For internal XML Parser Purposes. + * + * @access private + * @var array + */ + var $_depth = array(); // Array + + /** + * Array containing the tags. Just For internal XML Parser Purposes. + * + * @access private + * @var array + */ + var $_tags = array( "x" ); // Array + + /** + * Garbage collection: probability in percent + * + * @var integer 0 => never + * @access public + */ + var $gc_probability = 1; + + /** + * HTML Output + * + * @var string + * @access private + */ + var $_output = ""; + + /** + * @var string + */ + var $_parse_mode = ""; + + // Output variable + var $out = ""; + + // Salt for hashing + var $salt = ""; + + /** + * Constructor of our Class + * + * This Method checks if the Cache Directory can be found. Otherwise it tries to creat the Cache Directory at the specified Path. + * Additionally the Refresh Time is set to a default Value of 1200s (20 min). + * + * @access public + * @author Stefan Saasen + * @see _refresh + */ + function fase4_rdf() + { + // default Value, to be overwritten in set_refresh() + $this->_refresh = (time() - 1200); + $this->_clear_cItems(); + $this->_clear_Items(); + } + + /** + * This Method starts the parsing of the specified RDF File. The File can be a local or a remote File. + * + * @access public + * @author Stefan Saasen + * @param string $rdf RDF File (Location) + * @return string Displays RDF Content ( using _display() ) + * @see _remote_file, cache() + */ + function parse_RDF( $rdf ) + { + unset($this->_array_item); + $this->_remote_file = $rdf; + $this->out .= ""; + $this->out .= "_table_width."\">"; + $this->out .= $this->cache(); + $this->out .= "
"; + $this->_output = ""; + $this->_item_count = 0; + return true; + } + + /** + * This Method is called when all parsing is finished to use the garbage collection + * + * @access public + * @author Stefan Saasen + * @param string $rdf RDF File (Location) + * @return string Displays RDF Content ( using _display() ) + * @see _remote_file, cache() + */ + function finish($return = false) + { if (!$return) { echo $this->out; } else { return $this->out; } - flush(); - $this->_garbage_collection(); - } - - /** - * With this method you can decide whether to use the normal cache and dynamic display Options or to use a static cache. - * - * In the first case the rdf/rss File will be stored locally, in the second case the html output of the specified source will be stored. - * In this case you can not modify the display settings. - * processing time: ( 1.4792) --> remote file - * processing time: ( 0.0313) --> using 'normal cache' with display Modification turned on. - * processing time: ( 0.0019) --> using 'fast cache' - * - * @access public - * @author Stefan Saasen - * @param string $rdf RDF File (Location) - * @return string Displays RDF Content ( using _display() ) - * @see _remote_file, cache() - */ - function use_dynamic_display( $bool ) - { - $this->_use_dynamic_display = $bool; - return true; - } - - /** - * This Method avtually parses the XML data. - * - * @access private - * @author Stefan Saasen - * @param string $data RDF File XML Data - * @see _clear_Items() - */ - function _parse_xRDF( $data ) - { - $this->_clear_Items(); - $xml_parser = xml_parser_create(); - xml_set_object($xml_parser,$this); - xml_parser_set_option($xml_parser,XML_OPTION_CASE_FOLDING,0); - xml_set_element_handler($xml_parser, "_startElement", "_endElement"); - xml_set_character_data_handler($xml_parser, "_parseData"); - if (!xml_parse($xml_parser, trim($data))) { - $this->_throw_exception(sprintf("XML error: %s at line %d", - xml_error_string(xml_get_error_code($xml_parser)), - xml_get_current_line_number($xml_parser))."

Exception in function parse_RDF()."); - } - xml_parser_free($xml_parser); - } - - - /** - * This Methods allows you to set the Refresh Time - * - * @access public - * @author Stefan Saasen - * @param int $seconds time files will be cached (in seconds). - * @return boolean - * @see _refresh - */ - function set_refresh( $seconds ) - { - $this->_refresh = (time() - $seconds); - return true; - } - - function set_salt( $saltPara ) - { - $this->salt = $saltPara; - return true; - } - - /** - * This Methods allows you to set the No. of s to display - * - * @access public - * @param int $int No of max s - * @author Stefan Saasen - * @return boolean - * @see _max_count, _endElement() - */ - function set_max_item( $int ) - { - $this->_max_count = $int; - return true; - } - - /** - * This Methods allows you to set the Cache Directory - * - * @access public - * @author Stefan Saasen - * @param string $dir Path to Directory. - * @return boolean - * @see _cache_dir - */ - function set_CacheDir( $dir ) - { - if(substr($dir, -1) != "/") { - $dir = $dir."/"; - } - $this->_cache_dir = $dir; - } - - /** - * This Method displays Error Messages and terminates the Execution of the Script - * - * @access private - * @param string $msg Message to display on failure - * @author Stefan Saasen - */ - function _throw_exception( $msg ) - { - $this->out .= "
fase4 RDF Error: ".$msg."
"; - return true; - } - - /** - * This Method clears the Array containig the Items. - * - * @access private - * @author Stefan Saasen - * @see _item - */ - function _clear_Items( ) { - $this->_item = array( + flush(); + $this->_garbage_collection(); + } + + /** + * With this method you can decide whether to use the normal cache and dynamic display Options or to use a static cache. + * + * In the first case the rdf/rss File will be stored locally, in the second case the html output of the specified source will be stored. + * In this case you can not modify the display settings. + * processing time: ( 1.4792) --> remote file + * processing time: ( 0.0313) --> using 'normal cache' with display Modification turned on. + * processing time: ( 0.0019) --> using 'fast cache' + * + * @access public + * @author Stefan Saasen + * @param string $rdf RDF File (Location) + * @return string Displays RDF Content ( using _display() ) + * @see _remote_file, cache() + */ + function use_dynamic_display( $bool ) + { + $this->_use_dynamic_display = $bool; + return true; + } + + /** + * This Method avtually parses the XML data. + * + * @access private + * @author Stefan Saasen + * @param string $data RDF File XML Data + * @see _clear_Items() + */ + function _parse_xRDF( $data ) + { + $this->_clear_Items(); + $xml_parser = xml_parser_create(); + xml_set_object($xml_parser,$this); + xml_parser_set_option($xml_parser,XML_OPTION_CASE_FOLDING,0); + xml_set_element_handler($xml_parser, "_startElement", "_endElement"); + xml_set_character_data_handler($xml_parser, "_parseData"); + if (!xml_parse($xml_parser, trim($data))) { + $this->_throw_exception(sprintf("XML error: %s at line %d", + xml_error_string(xml_get_error_code($xml_parser)), + xml_get_current_line_number($xml_parser))."

Exception in function parse_RDF()."); + } + xml_parser_free($xml_parser); + } + + + /** + * This Methods allows you to set the Refresh Time + * + * @access public + * @author Stefan Saasen + * @param int $seconds time files will be cached (in seconds). + * @return boolean + * @see _refresh + */ + function set_refresh( $seconds ) + { + $this->_refresh = (time() - $seconds); + return true; + } + + function set_salt( $saltPara ) + { + $this->salt = $saltPara; + return true; + } + + /** + * This Methods allows you to set the No. of s to display + * + * @access public + * @param int $int No of max s + * @author Stefan Saasen + * @return boolean + * @see _max_count, _endElement() + */ + function set_max_item( $int ) + { + $this->_max_count = $int; + return true; + } + + /** + * This Methods allows you to set the Cache Directory + * + * @access public + * @author Stefan Saasen + * @param string $dir Path to Directory. + * @return boolean + * @see _cache_dir + */ + function set_CacheDir( $dir ) + { + if(substr($dir, -1) != "/") { + $dir = $dir."/"; + } + $this->_cache_dir = $dir; + } + + /** + * This Method displays Error Messages and terminates the Execution of the Script + * + * @access private + * @param string $msg Message to display on failure + * @author Stefan Saasen + */ + function _throw_exception( $msg ) + { + $this->out .= "
fase4 RDF Error: ".$msg."
"; + return true; + } + + /** + * This Method clears the Array containig the Items. + * + * @access private + * @author Stefan Saasen + * @see _item + */ + function _clear_Items( ) { + $this->_item = array( 'title'=>"", 'link'=>"", 'description'=>"", @@ -552,17 +553,17 @@ class fase4_rdf { 'lastBuildDate'=>"", 'width'=>"", 'height'=>"" - ); - } - /** - * This Method clears the Array containig the Channel Items. - * - * @access private - * @author Stefan Saasen - * @see _item - */ - function _clear_cItems( ) { - $this->_citem = array( + ); + } + /** + * This Method clears the Array containig the Channel Items. + * + * @access private + * @author Stefan Saasen + * @see _item + */ + function _clear_cItems( ) { + $this->_citem = array( 'title'=>"", 'link'=>"", 'description'=>"", @@ -585,278 +586,278 @@ class fase4_rdf { 'sitelink'=>"", 'refid'=>"", 'reflink'=>"", - ); - } - - /** - * XML Parser Start Element Handler - * - * @access private - * @author Stefan Saasen - * @param mixed $parser a reference to the XML parser calling the handler. - * @param string $name contains the name of the element for which this handler is called. - * @param string $attrs contains an associative array with the element's attributes (if any). - * @see _get_ChannelData(), _clear_Items(), _type, _parse_mode, _depth, _tags, _cdepth, _ctags - */ - function _startElement($parser, $name, $attrs) { - // We have to determine, which type of xml data we have to parse - if($name == "rss") { - $this->_type = "rss"; - } elseif($name == "rdf:RDF" OR $name == "rdf") { - $this->_type = "rdf"; - } - - - if ( $name == "channel" AND $this->_type != "rdf" ) { - $this->_parse_mode = "channel"; - } elseif ( ($name=="item") - ||($name=="image") - ||($name=="textinput") - ||(($name=="channel") && ($this->_type != "rss")) ) { - if($this->_parse_mode=="channel") { - $this->_get_ChannelData( $parser ); - } - $this->_parse_mode = "all"; - } - - if( !isset( $this->_depth[$this->get_parser_id($parser)] ) ) { - $this->_depth[$this->get_parser_id($parser)] = 0; - } - $this->_depth[$this->get_parser_id($parser)]++; - array_push($this->_tags, $name); - - if( !isset( $this->_cdepth[$this->get_parser_id($parser)] ) ) { - $this->_cdepth[$this->get_parser_id($parser)] = 0; - } - $this->_cdepth[$this->get_parser_id($parser)]++; - array_push($this->_ctags, $name); - } // END _startElement() - - /** - * Retrives the Channel Data in File - * - * @access private - * @author Stefan Saasen - * @param mixed $parser a reference to the XML parser calling the handler. - * @see _output, _display_opt, _citem - */ - function _get_ChannelData( $parser ) - { - $this->_citem["link"] = trim($this->_citem["link"]); - if (($this->_display_opt["sitelink"] == $this->_citem["link"]) && (!empty($this->_display_opt["reflink"])) && (!empty($this->_display_opt["refid"]))) - { - $this->_citem["link"] .= $this->_display_opt["reflink"].$this->_display_opt["refid"]; - } - - if( empty($this->_display_opt["channel"]) OR - $this->_display_opt["channel"] != "hidden") { - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_output .= "
".htmlspecialchars($this->_citem["title"])."
".strip_tags($this->_citem["description"], ", ")."
 
\n"; - if(isset($this->_display_opt["build"]) && $this->_display_opt["build"] != "hidden") { - if($this->_citem["lastBuildDate"]){$this->_output .= "build: ". $this->_citem["lastBuildDate"]."
";} - } - if(isset($this->_display_opt["cache_update"]) && $this->_display_opt["cache_update"] != "hidden" && ( $_update = $this->get_cache_update_time()) ) { - $this->_output .= "cache update: ".$_update."
\n"; - } - $this->_output .= "_citem["link"]."\" "; - if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } - $this->_output .= ">".$this->_cut_string($this->_citem["link"]).""; - $this->_output .= "
"; - } - $this->_array_channel = array( "title"=>$this->_citem["title"], + ); + } + + /** + * XML Parser Start Element Handler + * + * @access private + * @author Stefan Saasen + * @param mixed $parser a reference to the XML parser calling the handler. + * @param string $name contains the name of the element for which this handler is called. + * @param string $attrs contains an associative array with the element's attributes (if any). + * @see _get_ChannelData(), _clear_Items(), _type, _parse_mode, _depth, _tags, _cdepth, _ctags + */ + function _startElement($parser, $name, $attrs) { + // We have to determine, which type of xml data we have to parse + if($name == "rss") { + $this->_type = "rss"; + } elseif($name == "rdf:RDF" OR $name == "rdf") { + $this->_type = "rdf"; + } + + + if ( $name == "channel" AND $this->_type != "rdf" ) { + $this->_parse_mode = "channel"; + } elseif ( ($name=="item") + ||($name=="image") + ||($name=="textinput") + ||(($name=="channel") && ($this->_type != "rss")) ) { + if($this->_parse_mode=="channel") { + $this->_get_ChannelData( $parser ); + } + $this->_parse_mode = "all"; + } + + if( !isset( $this->_depth[$this->get_parser_id($parser)] ) ) { + $this->_depth[$this->get_parser_id($parser)] = 0; + } + $this->_depth[$this->get_parser_id($parser)]++; + array_push($this->_tags, $name); + + if( !isset( $this->_cdepth[$this->get_parser_id($parser)] ) ) { + $this->_cdepth[$this->get_parser_id($parser)] = 0; + } + $this->_cdepth[$this->get_parser_id($parser)]++; + array_push($this->_ctags, $name); + } // END _startElement() + + /** + * Retrives the Channel Data in File + * + * @access private + * @author Stefan Saasen + * @param mixed $parser a reference to the XML parser calling the handler. + * @see _output, _display_opt, _citem + */ + function _get_ChannelData( $parser ) + { + $this->_citem["link"] = trim($this->_citem["link"]); + if (($this->_display_opt["sitelink"] == $this->_citem["link"]) && (!empty($this->_display_opt["reflink"])) && (!empty($this->_display_opt["refid"]))) + { + $this->_citem["link"] .= $this->_display_opt["reflink"].$this->_display_opt["refid"]; + } + + if( empty($this->_display_opt["channel"]) OR + $this->_display_opt["channel"] != "hidden") { + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_output .= "
".htmlspecialchars($this->_citem["title"])."
".strip_tags($this->_citem["description"], ", ")."
 
\n"; + if(isset($this->_display_opt["build"]) && $this->_display_opt["build"] != "hidden") { + if($this->_citem["lastBuildDate"]){$this->_output .= "build: ". $this->_citem["lastBuildDate"]."
";} + } + if(isset($this->_display_opt["cache_update"]) && $this->_display_opt["cache_update"] != "hidden" && ( $_update = $this->get_cache_update_time()) ) { + $this->_output .= "cache update: ".$_update."
\n"; + } + $this->_output .= "_citem["link"]."\" "; + if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } + $this->_output .= ">".$this->_cut_string($this->_citem["link"]).""; + $this->_output .= "
"; + } + $this->_array_channel = array( "title"=>$this->_citem["title"], "link"=>$this->_citem["link"], "description"=>$this->_citem["description"], "lastBuildDate"=>$this->_citem["lastBuildDate"]); - } - - /** - * XML Parser End Element Handler - * - * @access private - * @author Stefan Saasen - * @param mixed $parser a reference to the XML parser calling the handler. - * @param string $name contains the name of the element for which this handler is called. - * @see _clear_Items(), _type, _parse_mode, _depth, _tags, _cdepth, _ctags, _item, _output, _display_opt - */ - function _endElement($parser, $name) { - array_pop($this->_tags); - $this->_depth[$this->get_parser_id($parser)]--; - array_pop($this->_ctags); - $this->_cdepth[$this->get_parser_id($parser)]--; - $this->_item["link"] = trim($this->_item["link"]); - if ((!empty($this->_display_opt["refid"])) && (!empty($this->_item["link"]))) - { - if (!ereg("refid=", $this->_item["link"])) $this->_item["link"] .= "?refid=" . $this->_display_opt["refid"]; - } - switch ($name) { - case "item": - if(empty($this->_max_count) OR $this->_item_count < $this->_max_count) { - if($this->_item["title"] != $this->_item["description"] - AND $this->_item["description"]) { - - // word-wrapping added by Roland Haeder - if (($this->_word_wrap > 0) && (strlen($this->_item["description"]) > $this->_word_wrap)) - { - // Switch off _use_nl2br - $this->_use_nl2br = false; - // First remove all \n - $this->_item["description"] = str_replace('\n', ' ', $this->_item["description"]); - // Wrap with
\n - $this->_item["description"] = wordwrap($this->_item["description"], $this->_word_wrap, "*
\n"); - } - elseif (($this->_word_wrap == 0) && (!$this->_use_nl2br)) - { - // Strip tags out instead when word-wrap is disabled - $this->_item["description"] = strip_tags($this->_item["description"], ", "); - } - - // nl2br added by Roland Haeder - if ($this->_use_nl2br) $this->_item["description"] = nl2br($this->_item["description"]); - - $this->_output .= "
_item["link"]."\" "; - if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } - $this->_output .= ">".strip_tags($this->_item["title"], ", ")." (".$this->_item["pubDate"].")
\n"; - $this->_output .= "".$this->_item["description"]."\n"; - // we just display the
if there is a description - $this->_output .= "
\n"; - } else { - $this->_output .= "\n"; - $this->_output .= "_item["link"]."\" "; - if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } - $this->_output .= ">".$this->_item["title"]."\n"; - } - $this->_array_item[] = array( "title"=>$this->_item["title"], + } + + /** + * XML Parser End Element Handler + * + * @access private + * @author Stefan Saasen + * @param mixed $parser a reference to the XML parser calling the handler. + * @param string $name contains the name of the element for which this handler is called. + * @see _clear_Items(), _type, _parse_mode, _depth, _tags, _cdepth, _ctags, _item, _output, _display_opt + */ + function _endElement($parser, $name) { + array_pop($this->_tags); + $this->_depth[$this->get_parser_id($parser)]--; + array_pop($this->_ctags); + $this->_cdepth[$this->get_parser_id($parser)]--; + $this->_item["link"] = trim($this->_item["link"]); + if ((!empty($this->_display_opt["refid"])) && (!empty($this->_item["link"]))) + { + if (!ereg("refid=", $this->_item["link"])) $this->_item["link"] .= "?refid=" . $this->_display_opt["refid"]; + } + switch ($name) { + case "item": + if(empty($this->_max_count) OR $this->_item_count < $this->_max_count) { + if($this->_item["title"] != $this->_item["description"] + AND $this->_item["description"]) { + + // word-wrapping added by Roland Haeder + if (($this->_word_wrap > 0) && (strlen($this->_item["description"]) > $this->_word_wrap)) + { + // Switch off _use_nl2br + $this->_use_nl2br = false; + // First remove all \n + $this->_item["description"] = str_replace("\n", ' ', $this->_item["description"]); + // Wrap with
\n + $this->_item["description"] = wordwrap($this->_item["description"], $this->_word_wrap, "*
\n"); + } + elseif (($this->_word_wrap == 0) && (!$this->_use_nl2br)) + { + // Strip tags out instead when word-wrap is disabled + $this->_item["description"] = strip_tags($this->_item["description"], ", "); + } + + // nl2br added by Roland Haeder + if ($this->_use_nl2br) $this->_item["description"] = nl2br($this->_item["description"]); + + $this->_output .= "
_item["link"]."\" "; + if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } + $this->_output .= ">".strip_tags($this->_item["title"], ", ")." (".$this->_item["pubDate"].")
\n"; + $this->_output .= "".$this->_item["description"]."\n"; + // we just display the
if there is a description + $this->_output .= "
\n"; + } else { + $this->_output .= "\n"; + $this->_output .= "_item["link"]."\" "; + if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } + $this->_output .= ">".$this->_item["title"]."\n"; + } + $this->_array_item[] = array( "title"=>$this->_item["title"], "link"=>$this->_item["link"], "description"=>$this->_item["description"]); - ++$this->_item_count; - } - $this->_clear_Items(); - break; - case "image": - if(isset($this->_display_opt["image"]) && ($this->_display_opt["image"] != "hidden") && $this->_item["url"]) { - $this->_output .= "\n"; - $this->_output .= "_item["link"]."\" "; - if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } - $this->_output .= ">_item["url"]."\""; - if(isset($this->_item["width"]) && isset($this->_item["height"])) { - $this->_output .= " width=\"".$this->_item["width"]."\" height=\"".$this->_item["height"]."\""; - } - $this->_output .= " alt=\"".$this->_item["title"]."\" border=\"0\" />\n"; - - $this->_array_image[] = array( "url"=>$this->_item["url"], + ++$this->_item_count; + } + $this->_clear_Items(); + break; + case "image": + if(isset($this->_display_opt["image"]) && ($this->_display_opt["image"] != "hidden") && $this->_item["url"]) { + $this->_output .= "\n"; + $this->_output .= "_item["link"]."\" "; + if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } + $this->_output .= ">_item["url"]."\""; + if(isset($this->_item["width"]) && isset($this->_item["height"])) { + $this->_output .= " width=\"".$this->_item["width"]."\" height=\"".$this->_item["height"]."\""; + } + $this->_output .= " alt=\"".$this->_item["title"]."\" border=\"0\" />\n"; + + $this->_array_image[] = array( "url"=>$this->_item["url"], "link"=>$this->_item["link"], "width"=>$this->_item["width"], "height"=>$this->_item["height"]); - $this->_clear_Items(); - } elseif( isset($this->_display_opt["image"] ) && ($this->_display_opt["image"] == "hidden") ) { - $this->_clear_Items(); - } - - break; - case "channel": - if(isset($this->_display_opt["channel"]) AND $this->_display_opt["channel"] != "hidden" AND $this->_item["title"] != '') { - $this->_output .= "\n"; - $this->_output .= ''."\n"; - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_output .= "
".htmlspecialchars($this->_item["title"])."
".strip_tags($this->_item["description"], ", ")."
 
\n"; - if($this->_display_opt["build"] != "hidden") { - if($this->_item["lastBuildDate"]){$this->_output .= "build: ". $this->_item["lastBuildDate"]."
";} - } - if($this->_display_opt["cache_update"] != "hidden" && ( $_update = $this->get_cache_update_time()) ) { - $this->_output .= "cache update: ".$_update."
\n"; - } - $this->_output .= "_item["link"]."\" "; - if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } - $this->_output .= ">".$this->_cut_string($this->_item["link"])."\n"; - $this->_output .= "
\n"; - } - $this->_array_channel = array( "title"=>$this->_item["title"], + $this->_clear_Items(); + } elseif( isset($this->_display_opt["image"] ) && ($this->_display_opt["image"] == "hidden") ) { + $this->_clear_Items(); + } + + break; + case "channel": + if(isset($this->_display_opt["channel"]) AND $this->_display_opt["channel"] != "hidden" AND $this->_item["title"] != '') { + $this->_output .= "\n"; + $this->_output .= ''."\n"; + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_output .= "
".htmlspecialchars($this->_item["title"])."
".strip_tags($this->_item["description"], ", ")."
 
\n"; + if($this->_display_opt["build"] != "hidden") { + if($this->_item["lastBuildDate"]){$this->_output .= "build: ". $this->_item["lastBuildDate"]."
";} + } + if($this->_display_opt["cache_update"] != "hidden" && ( $_update = $this->get_cache_update_time()) ) { + $this->_output .= "cache update: ".$_update."
\n"; + } + $this->_output .= "_item["link"]."\" "; + if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } + $this->_output .= ">".$this->_cut_string($this->_item["link"])."\n"; + $this->_output .= "
\n"; + } + $this->_array_channel = array( "title"=>$this->_item["title"], "link"=>$this->_item["link"], "description"=>$this->_item["description"], "lastBuildDate"=>$this->_item["lastBuildDate"]); - $this->_clear_Items(); - $this->_clear_cItems(); - break; + $this->_clear_Items(); + $this->_clear_cItems(); + break; case "textinput": - if(isset($this->_display_opt["textinput"]) && ($this->_display_opt["textinput"] != "hidden") && $this->_item["name"] && $this->_item["link"]) { - $this->_output .= "\n"; - $this->_output .= "_item["link"]."\" "; - if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } - $this->_output .= "method=\"get\">\n"; - $this->_output .= "
".$this->_item["title"]."
"; - $this->_output .= strip_tags($this->_item["description"], ", ")."

\n"; - $this->_output .= "_item["name"]."\"> \n"; - $this->_output .= ""; - $this->_output .= "\n"; - $this->_output .= "\n"; - $this->_array_textinput = array( "title"=>$this->_item["title"], + if(isset($this->_display_opt["textinput"]) && ($this->_display_opt["textinput"] != "hidden") && $this->_item["name"] && $this->_item["link"]) { + $this->_output .= "\n"; + $this->_output .= "
_item["link"]."\" "; + if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; } + $this->_output .= "method=\"get\">\n"; + $this->_output .= "
".$this->_item["title"]."
"; + $this->_output .= strip_tags($this->_item["description"], ", ")."

\n"; + $this->_output .= "_item["name"]."\"> \n"; + $this->_output .= ""; + $this->_output .= "\n"; + $this->_output .= "\n"; + $this->_array_textinput = array( "title"=>$this->_item["title"], "name"=>$this->_item["name"], "link"=>$this->_item["link"], "description"=>$this->_item["description"]); - $this->_clear_Items(); - } elseif( isset($this->_display_opt["textinput"]) && ($this->_display_opt["textinput"] == "hidden") ) { - $this->_clear_Items(); - } - - break; - } - } - - /** - * This Method returns the data from the paragraph. - * - * @access public - * @author Stefan Saasen - * @return array - * @see _array_channel - */ - function get_array_channel( ) - { - return $this->_array_channel; - } - - /** - * This Method returns the data from each paragraph. - * - * @access public - * @author Stefan Saasen - * @return array - * @see _array_item - */ - function get_array_item( ) - { - return $this->_array_item; - } - - /** - * This Method returns the data from . - * - * @access public - * @author Stefan Saasen - * @return array - * @see _array_textinput - */ - function get_array_textinput( ) - { - return $this->_array_textinput; - } - - /** - * Getter for parser id from resource - * - * @access private - * @author Roland Haeder - * @return int - */ + $this->_clear_Items(); + } elseif( isset($this->_display_opt["textinput"]) && ($this->_display_opt["textinput"] == "hidden") ) { + $this->_clear_Items(); + } + + break; + } + } + + /** + * This Method returns the data from the paragraph. + * + * @access public + * @author Stefan Saasen + * @return array + * @see _array_channel + */ + function get_array_channel( ) + { + return $this->_array_channel; + } + + /** + * This Method returns the data from each paragraph. + * + * @access public + * @author Stefan Saasen + * @return array + * @see _array_item + */ + function get_array_item( ) + { + return $this->_array_item; + } + + /** + * This Method returns the data from . + * + * @access public + * @author Stefan Saasen + * @return array + * @see _array_textinput + */ + function get_array_textinput( ) + { + return $this->_array_textinput; + } + + /** + * Getter for parser id from resource + * + * @access private + * @author Roland Haeder + * @return int + */ function get_parser_id ($parser) { // Default is zero $id = 0; @@ -871,512 +872,512 @@ class fase4_rdf { return $id; } - /** - * This Method returns the data from . - * - * @access public - * @author Stefan Saasen - * @return array - * @see _array_image - */ - function get_array_image( ) - { - return $this->_array_image; - } - - /** - * XML Parser Data Handler - * - * @access private - * @author Stefan Saasen - * @param mixed $parser a reference to the XML parser calling the handler. - * @param string $text contains the character data as a string. - * @see _parse_mode, _item, _tags, _depth, _citem, _ctags, _cdepth - */ - function _parseData($parser, $text) - { - // Deocing mode added by Roland Haeder - switch ($this->_decoding_mode) - { - case "utf8_decode": - $text = utf8_decode($text); - break; - - case "htmlentities": - $text = htmlentities($text); - break; - } - - $clean = preg_replace("/\s/", "", $text); - if ($clean) { - $text = preg_replace("/^\s+/", "", $text)."\n"; - if($this->_parse_mode == "all") { - if ( isset($this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]]) && - $this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]] ) { - $this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]] .= $text; - } else { - $this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]] = $text; - } - } elseif (isset($this->_parse_mode) && $this->_parse_mode == "channel") { - if ( isset($this->_citem[$this->_ctags[$this->_cdepth[$this->get_parser_id($parser)]]]) ) { - $this->_citem[$this->_ctags[$this->_cdepth[$this->get_parser_id($parser)]]] .= $text; - } else { - $this->_citem[$this->_ctags[$this->_cdepth[$this->get_parser_id($parser)]]] = $text; - } - } - } - } - - /** - * This Method allows you to choose if specific Parameters are displayed or not. These are: - * image, channel, textinput, build and cache_update. If set to "hidden" those elements won't be displayed. - * - * @access public - * @author Stefan Saasen - * @param array $options - * @see _display_opt - */ - function set_Options( $options = "" ) - { - if(is_array( $options )) { - $this->_display_opt = $options; - return true; - } else { - unset($this->_display_opt); - return false; - } - } - - /** - * This Method allows you to define the width of the table that holds the representation of the rdf/rss file. - * - * @access public - * @author Stefan Saasen - * @param int $width attribute width in tag - * @see _table_width - */ - function set_table_width( $width = 400 ) - { - $this->_table_width = $width; - return true; - } - - /** - * This Method returns an assocative Array with available Options. - * - * The Keys are the Name of the Options to be set. - * The Values are short Description of available Options. - * - * @access public - * @author Stefan Saasen - * @return array $options - * @see _display_opt - */ - function get_Options() - { - $options = array( "image"=>"If 'image' is set to \"hidden\" no image provided by the RDF Publisher will be displayed.", + /** + * This Method returns the data from . + * + * @access public + * @author Stefan Saasen + * @return array + * @see _array_image + */ + function get_array_image( ) + { + return $this->_array_image; + } + + /** + * XML Parser Data Handler + * + * @access private + * @author Stefan Saasen + * @param mixed $parser a reference to the XML parser calling the handler. + * @param string $text contains the character data as a string. + * @see _parse_mode, _item, _tags, _depth, _citem, _ctags, _cdepth + */ + function _parseData($parser, $text) + { + // Deocing mode added by Roland Haeder + switch ($this->_decoding_mode) + { + case "utf8_decode": + $text = utf8_decode($text); + break; + + case "htmlentities": + $text = htmlentities($text); + break; + } + + $clean = preg_replace("/\s/", "", $text); + if ($clean) { + $text = preg_replace("/^\s+/", "", $text)."\n"; + if($this->_parse_mode == "all") { + if ( isset($this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]]) && + $this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]] ) { + $this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]] .= $text; + } else { + $this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]] = $text; + } + } elseif (isset($this->_parse_mode) && $this->_parse_mode == "channel") { + if ( isset($this->_citem[$this->_ctags[$this->_cdepth[$this->get_parser_id($parser)]]]) ) { + $this->_citem[$this->_ctags[$this->_cdepth[$this->get_parser_id($parser)]]] .= $text; + } else { + $this->_citem[$this->_ctags[$this->_cdepth[$this->get_parser_id($parser)]]] = $text; + } + } + } + } + + /** + * This Method allows you to choose if specific Parameters are displayed or not. These are: + * image, channel, textinput, build and cache_update. If set to "hidden" those elements won't be displayed. + * + * @access public + * @author Stefan Saasen + * @param array $options + * @see _display_opt + */ + function set_Options( $options = "" ) + { + if(is_array( $options )) { + $this->_display_opt = $options; + return true; + } else { + unset($this->_display_opt); + return false; + } + } + + /** + * This Method allows you to define the width of the table that holds the representation of the rdf/rss file. + * + * @access public + * @author Stefan Saasen + * @param int $width attribute width in tag
+ * @see _table_width + */ + function set_table_width( $width = 400 ) + { + $this->_table_width = $width; + return true; + } + + /** + * This Method returns an assocative Array with available Options. + * + * The Keys are the Name of the Options to be set. + * The Values are short Description of available Options. + * + * @access public + * @author Stefan Saasen + * @return array $options + * @see _display_opt + */ + function get_Options() + { + $options = array( "image"=>"If 'image' is set to \"hidden\" no image provided by the RDF Publisher will be displayed.", "channel"=>"If 'channel' is set to \"hidden\" the Channel Meta Data (i.e the Title and the short description regarding the RDF Publisher will not be displayed", "textinput"=>"If set to \"hidden\" no Input Form will be displayed", "build"=>"If set to \"hidden\" the Build Date (if provided) of the RDF File will not be displayed", "cache_update"=>"If set to \"hidden\" the Update Date/Time of the cached Rdf File will not be displayed"); - return $options; - } - - /** - * This Method returns the Content of the RDF File in one string. The String actually holds the whole XML Document. - * - * @access public - * @author Stefan Saasen - * @param string $rdf RDF File (Location) - * @return string XML Presentation of parsed RDF File - * @see _cached_file, _remote_file, _cache_dir, _refresh, _update_cache() - */ - function cache() - { - // checks if the cache directory already exists - // if not, the cache directory will be created - if(!$this->_cache_dir_ok) { - $this->_create_cache_dir(); - } - if($this->_use_dynamic_display == true) { - $this->_cached_file = md5("dynamic".$this->salt.$this->_remote_file); - $this->_cache_type = "normal"; - } else { - $this->_cached_file = md5($this->salt.$this->_remote_file); - $this->_cache_type = "fast"; - } - - $_cache_f = $this->_cache_dir.$this->_cached_file; - - if ( (!file_exists($_cache_f)) || (filemtime($_cache_f) < $this->_refresh) || (filesize($_cache_f) == 0)) { - // We have to parse the remote file - $this->_use_cached_file = false; - // --> we want to provide proper Information for Use in - // get_cache_update_time() - clearstatcache(); - if($this->_use_dynamic_display == true) { - $_rdf = @implode(" ", $this->_rdf_data()); // -> proxy - if(!$_rdf) { - $this->_throw_exception( $this->_remote_file." is not available" ); - } - $this->_parse_xRDF( $_rdf ); - $this->_update_cache( $_rdf ); - $data = $this->_output; - } else { - $_rdf = @implode(" ", $this->_rdf_data()); // -> proxy - if(!$_rdf) { - $this->_throw_exception( $this->_remote_file." is not available" ); - } - $this->_parse_xRDF( $_rdf ); - $this->_update_cache( $this->_output ); - $data = $this->_output; - } - } else { - // we can use the cached file - $this->_use_cached_file = true; - if($this->_use_dynamic_display == true) { - $this->_parse_xRDF( implode(" ", file($_cache_f)) ); - $data = $this->_output; - } else { - $data = @implode(" ", file($_cache_f)); - } - } - return trim($data); - } // END cache() - - /** - * This Methods creates the Cache Directory if the specified Directory does not exist. - * - * @access private - * @author Stefan Saasen - * @param string $dir Path to Directory. - * @return boolean - * @see _cache_dir, _cache_dir_ok - */ - function _create_cache_dir() - { - $path = ""; - if(!@is_dir($this->_cache_dir)) { - $arr = explode("/", $this->_cache_dir); - $c = count($arr); - if($arr[0]=="") { - $path = "/"; - } - for($i = 0;$i<$c;$i++) - { - if($arr[$i]!="") { - $path .= $arr[$i]."/"; - if(!@is_dir($path)) { - if(!@mkdir($path, 0777)) { - $this->_throw_exception("failed to create directory:".$this->_cache_dir.".

Exception on Line: ".__LINE__); - return false; - } - } - } - } - $this->_cache_dir_ok = true; - return true; - } else { - $this->_cache_dir_ok = true; - return true; - } - } // END _create_cache_dir() - - /** - * This Method updates the cached RDF Files and synchronises them with their remote Counterparts. - * - * @access private - * @author Stefan Saasen - * @param string $rdf RDF File (Location) - * @see _cache_dir, _cached_file, _throw_exception() - */ - function _update_cache( $content = "" ) - { - $_local = @fopen( $this->_cache_dir.$this->_cached_file, 'w' ); - if(!$_local) { - $this->_throw_exception( "Cannot open ".$this->_cached_file."

Exception at Line: ".__LINE__ ); - return false; - } - if (fwrite( $_local, $content) === false) { - $this->_throw_exception( "Cannot write to ".$this->_cached_file."
Exeception at Line: ".__LINE__); - return false; - } - fclose( $_local ); - @chmod( $this->_cache_dir.$this->_cached_file, 0666); - return true; - } // END _update_cache() - - /** - * This Method returns the Date/Time of last Cache Update of the actually parsed RDF File. - * - * @access public - * @author Stefan Saasen - * @return string Date/Time of last Update - * @see _cache_dir, _cached_file - */ - function get_cache_update_time() - { - return (file_exists($this->_cache_dir.$this->_cached_file))?date("d.m.Y H:i:s", filemtime($this->_cache_dir.$this->_cached_file)):"Cachemiss"; - } // END get_cache_update_time() - - /** - * This Method returns the Type of Cache that was used ('normal' or 'fast') - * - * @access public - * @author Stefan Saasen - * @param string $rdf RDF File (Location) - * @return string Displays RDF Content ( using _display() ) - * @see _remote_file, cache() - */ - function get_CacheType() - { - return $this->_cache_type; - } - - /** - * Returns true if cached file was used, otherwise false - * - * @access public - * @author Stefan Saasen - * @return array $options - * @see _use_cached_file - */ - function is_cachedFile() - { - return $this->_use_cached_file; - } - - /** - * This Method deletes all the cached Files. - * - * Please keep in mind to use this method just as a 'manual garbage collection' - * You should cache the rss/rdf files locally to avoid unnecessary traffic. - * (Both for your visitors and the Publisher) - * - * @access public - * @author Stefan Saasen - * @see _cache_dir - */ - function clear_cache() - { - $dir = dir($this->_cache_dir); - while($file=$dir->read()) { - // Exclude directories - if (is_file($dir->path.$file) && substr($file, -6, 6) != ".cache" && substr($file, -4, 4) != ".log") { - if(!@unlink($dir->path.$file)) { - $this->_throw_exception("Unable to unlink ".$dir->path.$file."
\n
\nException at Line: ".__LINE__ ); - return false; - } // END - if - } // END - if - } // END - while - $dir->close(); - return true; - } // END clear_cache() - - /** - * Cuts the String $string after $str_len and adds "... " - * - * @access private - * @param string $string String to be shortened - * @param int $str_len length of the returned String (overall length including "... ") - * @return string Cut String - */ - function _cut_string( $string, $str_len = "30" ) - { - if(strlen(trim($string))>$str_len) { - $string = substr( trim($string) , 0, $str_len - 4); - $string .= " ..."; - } - return $string; - } // END _cut_string() - - /** - * this Method implements simple Garbage Collection - * - * @access private - * @author Stefan Saasen - * @see _cache_dir, gc_probability, gc_maxlifetime - */ - function _garbage_collection() - { - srand((double) microtime() * 1000000); - if (rand(1, 100) <= $this->gc_probability) { - $dir = dir($this->_cache_dir); - while($file=$dir->read()) { - if (is_file($dir->path.$file) && substr($file, -6, 6) != ".cache" && substr($file, -4, 4) != ".log" && filemtime($dir->path.$file) <= time() - $this->_refresh ) { - @unlink($dir->path.$file); - } // END - if - } - $dir->close(); - } // END if - } - - /* ==== Proxy/Auth methods ==== */ - - /** - * this method sets a proxy server - * - * @access public - * @param string $phost Proxy Host - * @param string $pport Prox Port - * @author Marco Kraus - */ - function set_proxy($phost, $pport) - { - $this->_use_proxy = true; - - if ($phost != '') - $this->_phost = $phost; - - if ($pport != '') - $this->_pport = $pport; - } - - /** - * this method sets a proxy server authentification - * - * @access public - * @param string $pname Username - * @param string $ppaswd Password - * @author Marco Kraus - */ - function set_proxy_auth( $pname, $ppasswd ) - { - $this->_use_proxy_auth = true; - - if ($pname != '') - $this->_pname = $pname; - - if ($ppasswd != '') - $this->_ppasswd = $ppasswd; - } - - - /** - * gets _remote_file into an array - * - * needed, cause if you use a proxy, you have to open - * a raw-tcp-socket to get the data - * - * @access private - * @author Marco Kraus - * @return array - * @see _use_proxy, cache() - */ - function _rdf_data() - { - if ( $this->_use_proxy == true ) - { - // we need a raw socket here to connect to proxy - $fp = fsockopen($this->_phost,$this->_pport); - - if (!$fp) { - $this->_throw_exception( $this->_remote_file." is not available with proxy" ); - } else { - if ( $this->_use_proxy_auth == true ) { - fputs($fp, "GET ".$this->_remote_file." HTTP/1.0\r\nUser-Agent: Fase4 RDF-Reader/1.40 modified by Quix0r\r\n\r\n"); - } else { - fputs($fp, "GET ".$this->_remote_file." HTTP/1.0\r\nUser-Agent: Fase4 RDF-Reader/1.40 modified by Quix0r\r\nProxy-Authorization: Basic ".base64_encode("$this->_pname:$this->_ppasswd") ."\r\n\r\n"); - } - } - - - for ( $i = 0; !feof ($fp) ; $i++) - { - $usable_data[$i] = ""; - $usable_data[$i] = fgets($fp,4096); - - // PARSE HEADER ---- first line has to be _remote_file, 0, 7) != "http://") { - $this->_throw_exception( "Cannot find http:// in ".$this->_remote_file."!" ); - return ""; + return $options; + } + + /** + * This Method returns the Content of the RDF File in one string. The String actually holds the whole XML Document. + * + * @access public + * @author Stefan Saasen + * @param string $rdf RDF File (Location) + * @return string XML Presentation of parsed RDF File + * @see _cached_file, _remote_file, _cache_dir, _refresh, _update_cache() + */ + function cache() + { + // checks if the cache directory already exists + // if not, the cache directory will be created + if(!$this->_cache_dir_ok) { + $this->_create_cache_dir(); + } + if($this->_use_dynamic_display == true) { + $this->_cached_file = md5("dynamic".$this->salt.$this->_remote_file) . '.cache'; + $this->_cache_type = "normal"; + } else { + $this->_cached_file = md5($this->salt.$this->_remote_file) . '.cache'; + $this->_cache_type = "fast"; + } + + $_cache_f = $this->_cache_dir.$this->_cached_file; + + if ( (!file_exists($_cache_f)) || (filemtime($_cache_f) < $this->_refresh) || (filesize($_cache_f) == 0)) { + // We have to parse the remote file + $this->_use_cached_file = false; + // --> we want to provide proper Information for Use in + // get_cache_update_time() + clearstatcache(); + if($this->_use_dynamic_display == true) { + $_rdf = @implode(" ", $this->_rdf_data()); // -> proxy + if(!$_rdf) { + $this->_throw_exception( $this->_remote_file." is not available" ); + } + $this->_parse_xRDF( $_rdf ); + $this->_update_cache( $_rdf ); + $data = $this->_output; + } else { + $_rdf = @implode(" ", $this->_rdf_data()); // -> proxy + if(!$_rdf) { + $this->_throw_exception( $this->_remote_file." is not available" ); + } + $this->_parse_xRDF( $_rdf ); + $this->_update_cache( $this->_output ); + $data = $this->_output; + } } else { - // Extract host information - $host = substr($this->_remote_file, 7); - // Extract the GET part - $get = "/"; - if (strpos($host, "/") > 0) { - $get = substr($host, strpos($host, "/")); - $host = substr($host, 0, strpos($host, "/")); + // we can use the cached file + $this->_use_cached_file = true; + if($this->_use_dynamic_display == true) { + $this->_parse_xRDF( implode(" ", file($_cache_f)) ); + $data = $this->_output; + } else { + $data = @implode(" ", file($_cache_f)); + } + } + return trim($data); + } // END cache() + + /** + * This Methods creates the Cache Directory if the specified Directory does not exist. + * + * @access private + * @author Stefan Saasen + * @param string $dir Path to Directory. + * @return boolean + * @see _cache_dir, _cache_dir_ok + */ + function _create_cache_dir() + { + $path = ""; + if(!@is_dir($this->_cache_dir)) { + $arr = explode("/", $this->_cache_dir); + $c = count($arr); + if($arr[0]=="") { + $path = "/"; } - // Extract port - $port = "80"; - if (strpos($host, ":") > 0) { - $port = substr($host, (strpos($host, ":") + 1)); - $host = substr($host, 0, (strpos($host, ":") - 1)); + for($i = 0;$i<$c;$i++) + { + if($arr[$i]!="") { + $path .= $arr[$i]."/"; + if(!@is_dir($path)) { + if(!@mkdir($path, 0777)) { + $this->_throw_exception("failed to create directory:".$this->_cache_dir.".

Exception on Line: ".__LINE__); + return false; + } + } + } } + $this->_cache_dir_ok = true; + return true; + } else { + $this->_cache_dir_ok = true; + return true; + } + } // END _create_cache_dir() - // Start connection to server - $fp = fsockopen($host, $port); - if (!$fp) { - $this->_throw_exception( $this->_remote_file." is maybe not available." ); - return ""; + /** + * This Method updates the cached RDF Files and synchronises them with their remote Counterparts. + * + * @access private + * @author Stefan Saasen + * @param string $rdf RDF File (Location) + * @see _cache_dir, _cached_file, _throw_exception() + */ + function _update_cache( $content = "" ) + { + $_local = @fopen( $this->_cache_dir.$this->_cached_file, 'w' ); + if(!$_local) { + $this->_throw_exception( "Cannot open ".$this->_cached_file."

Exception at Line: ".__LINE__ ); + return false; + } + if (fwrite( $_local, $content) === false) { + $this->_throw_exception( "Cannot write to ".$this->_cached_file."
Exeception at Line: ".__LINE__); + return false; + } + fclose( $_local ); + @chmod( $this->_cache_dir.$this->_cached_file, 0666); + return true; + } // END _update_cache() + + /** + * This Method returns the Date/Time of last Cache Update of the actually parsed RDF File. + * + * @access public + * @author Stefan Saasen + * @return string Date/Time of last Update + * @see _cache_dir, _cached_file + */ + function get_cache_update_time() + { + return (file_exists($this->_cache_dir.$this->_cached_file))?date("d.m.Y H:i:s", filemtime($this->_cache_dir.$this->_cached_file)):"Cachemiss"; + } // END get_cache_update_time() + + /** + * This Method returns the Type of Cache that was used ('normal' or 'fast') + * + * @access public + * @author Stefan Saasen + * @param string $rdf RDF File (Location) + * @return string Displays RDF Content ( using _display() ) + * @see _remote_file, cache() + */ + function get_CacheType() + { + return $this->_cache_type; + } + + /** + * Returns true if cached file was used, otherwise false + * + * @access public + * @author Stefan Saasen + * @return array $options + * @see _use_cached_file + */ + function is_cachedFile() + { + return $this->_use_cached_file; + } + + /** + * This Method deletes all the cached Files. + * + * Please keep in mind to use this method just as a 'manual garbage collection' + * You should cache the rss/rdf files locally to avoid unnecessary traffic. + * (Both for your visitors and the Publisher) + * + * @access public + * @author Stefan Saasen + * @see _cache_dir + */ + function clear_cache() + { + $dir = dir($this->_cache_dir); + while($file=$dir->read()) { + // Exclude directories + if (is_file($dir->path.$file) && substr($file, -6, 6) != ".cache" && substr($file, -4, 4) != ".log") { + if(!@unlink($dir->path.$file)) { + $this->_throw_exception("Unable to unlink ".$dir->path.$file."
\n
\nException at Line: ".__LINE__ ); + return false; + } // END - if + } // END - if + } // END - while + $dir->close(); + return true; + } // END clear_cache() + + /** + * Cuts the String $string after $str_len and adds "... " + * + * @access private + * @param string $string String to be shortened + * @param int $str_len length of the returned String (overall length including "... ") + * @return string Cut String + */ + function _cut_string( $string, $str_len = "30" ) + { + if(strlen(trim($string))>$str_len) { + $string = substr( trim($string) , 0, $str_len - 4); + $string .= " ..."; + } + return $string; + } // END _cut_string() + + /** + * this Method implements simple Garbage Collection + * + * @access private + * @author Stefan Saasen + * @see _cache_dir, gc_probability, gc_maxlifetime + */ + function _garbage_collection() + { + srand((double) microtime() * 1000000); + if (mt_rand(1, 100) <= $this->gc_probability) { + $dir = dir($this->_cache_dir); + while($file=$dir->read()) { + if (is_file($dir->path.$file) && substr($file, -6, 6) != ".cache" && substr($file, -4, 4) != ".log" && filemtime($dir->path.$file) <= time() - $this->_refresh ) { + @unlink($dir->path.$file); + } // END - if } - // Repare request line - $request = sprintf("GET %s HTTP/1.0\r\nHost: %s\r\nUser-Agent: Fase4 RDF-Reader/1.40 modified by Quix0r\r\n\r\n", $get, $host); - // Send request out - fputs($fp, $request); - $reply = ""; $isContent = false; $dummy = ""; - // Read reply - $i=0; - while ( !feof($fp) ) { - $read = trim(fgets($fp, 4096)); - if (substr($read, 0, 5) == "close(); + } // END if + } + + /* ==== Proxy/Auth methods ==== */ + + /** + * this method sets a proxy server + * + * @access public + * @param string $phost Proxy Host + * @param string $pport Prox Port + * @author Marco Kraus + */ + function set_proxy($phost, $pport) + { + $this->_use_proxy = true; + + if ($phost != '') + $this->_phost = $phost; + + if ($pport != '') + $this->_pport = $pport; + } + + /** + * this method sets a proxy server authentification + * + * @access public + * @param string $pname Username + * @param string $ppaswd Password + * @author Marco Kraus + */ + function set_proxy_auth( $pname, $ppasswd ) + { + $this->_use_proxy_auth = true; + + if ($pname != '') + $this->_pname = $pname; + + if ($ppasswd != '') + $this->_ppasswd = $ppasswd; + } + + + /** + * gets _remote_file into an array + * + * needed, cause if you use a proxy, you have to open + * a raw-tcp-socket to get the data + * + * @access private + * @author Marco Kraus + * @return array + * @see _use_proxy, cache() + */ + function _rdf_data() + { + if ( $this->_use_proxy == true ) + { + // we need a raw socket here to connect to proxy + $fp = fsockopen($this->_phost,$this->_pport); + + if (!$fp) { + $this->_throw_exception( $this->_remote_file." is not available with proxy" ); + } else { + if ( $this->_use_proxy_auth == true ) { + fputs($fp, "GET ".$this->_remote_file." HTTP/1.0\r\nUser-Agent: Fase4 RDF-Reader/1.40 modified by Quix0r\r\n\r\n"); } else { - // Put in dummy - $dummy[] = $read; + fputs($fp, "GET ".$this->_remote_file." HTTP/1.0\r\nUser-Agent: Fase4 RDF-Reader/1.40 modified by Quix0r\r\nProxy-Authorization: Basic ".base64_encode("$this->_pname:$this->_ppasswd") ."\r\n\r\n"); } - $i++; } - if ((count($dummy) > 0) && (count($reply) == 0) && (!$isContent)) { - // Transfer content from dummy - $reply = $content; + + + for ( $i = 0; !feof ($fp) ; $i++) + { + $usable_data[$i] = ""; + $usable_data[$i] = fgets($fp,4096); + + // PARSE HEADER ---- first line has to be _remote_file, 0, 7) != "http://") { + $this->_throw_exception( "Cannot find http:// in ".$this->_remote_file."!" ); + return ""; + } else { + // Extract host information + $host = substr($this->_remote_file, 7); + // Extract the GET part + $get = "/"; + if (strpos($host, "/") > 0) { + $get = substr($host, strpos($host, "/")); + $host = substr($host, 0, strpos($host, "/")); + } + // Extract port + $port = "80"; + if (strpos($host, ":") > 0) { + $port = substr($host, (strpos($host, ":") + 1)); + $host = substr($host, 0, (strpos($host, ":") - 1)); + } + + // Start connection to server + $fp = fsockopen($host, $port); + if (!$fp) { + $this->_throw_exception( $this->_remote_file." is maybe not available." ); + return ""; + } + // Repare request line + $request = sprintf("GET %s HTTP/1.0\r\nHost: %s\r\nUser-Agent: Fase4 RDF-Reader/1.40 modified by Quix0r\r\n\r\n", $get, $host); + // Send request out + fputs($fp, $request); + $reply = ""; $isContent = false; $dummy = ""; + // Read reply + $i=0; + while ( !feof($fp) ) { + $read = trim(fgets($fp, 4096)); + if (substr($read, 0, 5) == " 0) && (count($reply) == 0) && (!$isContent)) { + // Transfer content from dummy + $reply = $content; + } + fclose($fp); + //die(htmlentities($reply)); + return $reply; + } } - } - } // END _rdf_data() + } // END _rdf_data() } // END class ?>