inc/config-functions.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 02/28/2009 *
   4  * ===============                              Last change: 02/28/2009 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : config-functions.php                             *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Many non-MySQL functions (also file access)      *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Viele Nicht-MySQL-Funktionen (auch Dateizugriff) *
  12  * -------------------------------------------------------------------- *
  13  * $Revision::                                                        $ *
  14  * $Date::                                                            $ *
  15  * $Tag:: 0.2.1-FINAL                                                 $ *
  16  * $Author::                                                          $ *
  17  * Needs to be in all Files and every File needs "svn propset           *
  18  * svn:keywords Date Revision" (autoprobset!) at least!!!!!!            *
  19  * -------------------------------------------------------------------- *
  20  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  21  * For more information visit: http://www.mxchange.org                  *
  22  *                                                                      *
  23  * This program is free software; you can redistribute it and/or modify *
  24  * it under the terms of the GNU General Public License as published by *
  25  * the Free Software Foundation; either version 2 of the License, or    *
  26  * (at your option) any later version.                                  *
  27  *                                                                      *
  28  * This program is distributed in the hope that it will be useful,      *
  29  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  30  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  31  * GNU General Public License for more details.                         *
  32  *                                                                      *
  33  * You should have received a copy of the GNU General Public License    *
  34  * along with this program; if not, write to the Free Software          *
  35  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  36  * MA  02110-1301  USA                                                  *
  37  ************************************************************************/
  38
  39 // Some security stuff...
  40 if (!defined('__SECURITY')) {
  41         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php';
  42         require($INC);
  43 }
  44
  45 // Merges $GLOBALS['config'] with data in given array
  46 function mergeConfig ($newConfig) {
  47         $GLOBALS['config'] = merge_array(getConfigArray(), $newConfig);
  48 }
  49
  50 // Getter for $GLOBALS['config'] entries
  51 function getConfig ($configEntry) {
  52         // Default value
  53         $value = null;
  54
  55         // Is the entry there?
  56         if (isConfigEntrySet($configEntry)) {
  57                 // Then use it
  58                 $value = $GLOBALS['config'][$configEntry];
  59         } // END - if
  60
  61         // Return it
  62         return $value;
  63 }
  64
  65 // Setter for $GLOBALS['config'] entries
  66 function setConfigEntry ($configEntry, $value) {
  67         // Secure the entry name
  68         if (function_exists('SQL_ESCAPE')) {
  69                 // Use our secure function
  70                 $configEntry = SQL_ESCAPE($configEntry);
  71         } else {
  72                 // Use maybe insecure function
  73                 $configEntry = smartAddSlashes($configEntry);
  74         }
  75
  76         // If config array isn't set, set it
  77         if (!isConfigLoaded()) {
  78                 // Init configuration array
  79                 initConfig();
  80         } // END - if
  81
  82         // And set it
  83         $GLOBALS['config'][$configEntry] = $value;
  84 }
  85
  86 // Checks wether the given config entry is set
  87 function isConfigEntrySet ($configEntry) {
  88         return (isset($GLOBALS['config'][$configEntry]));
  89 }
  90
  91 // Increment or init with given value or 1 as default the given config entry
  92 function incrementConfigEntry ($configEntry, $value=1) {
  93         // Increment it if set or init it with 1
  94         if (getConfig($configEntry) > 0) {
  95                 $GLOBALS['config'][$configEntry] += $value;
  96         } else {
  97                 $GLOBALS['config'][$configEntry] = $value;
  98         }
  99 }
 100
 101 // Checks wether the configuration array is set so the config is loaded
 102 function isConfigLoaded () {
 103         // Check all
 104         return ((isset($GLOBALS['config'])) && (is_array($GLOBALS['config'])) && (count($GLOBALS['config']) > 0));
 105 }
 106
 107 // Init the config array
 108 function initConfig () {
 109         // Set a minimum dummy configuration
 110         $GLOBALS['config'] = array(
 111                 'code_length' => 0,
 112                 'patch_level' => 0,
 113                 'last_update' => time()
 114         );
 115 }
 116
 117 // Load configuration and return it as an arry
 118 function loadConfiguration ($no = '0') {
 119         // Check for cache extension, cache-array and if the requested configuration is in cache
 120         if ((isset($GLOBALS['cache_array'])) && (is_array($GLOBALS['cache_array'])) && (isset($GLOBALS['cache_array']['config'][$no])) && (is_array($GLOBALS['cache_array']['config'][$no]))) {
 121                 // Load config from cache
 122                 //* DEBUG: */ echo gettype($GLOBALS['cache_array']['config'][$no])."<br />\n";
 123                 foreach ($GLOBALS['cache_array']['config'][$no] as $key => $value) {
 124                         setConfigEntry($key, $value);
 125                 } // END - foreach
 126
 127                 // Count cache hits if exists
 128                 if ((isConfigEntrySet('cache_hits')) && (EXT_IS_ACTIVE('cache'))) {
 129                         incrementConfigEntry('cache_hits');
 130                 } // END - if
 131         } elseif ((!EXT_IS_ACTIVE('cache')) || (!isset($GLOBALS['cache_array']['config'][$no]))) {
 132                 // Load config from DB
 133                 $result_config = SQL_QUERY_ESC("SELECT * FROM `{!_MYSQL_PREFIX!}_config` WHERE config=%d LIMIT 1",
 134                         array(bigintval($no)), __FUNCTION__, __LINE__);
 135
 136                 // Is the config there?
 137                 if (SQL_NUMROWS($result_config) == 1) {
 138                         // Get config from database
 139                         mergeConfig(SQL_FETCHARRAY($result_config));
 140                 } // END - if
 141
 142                 // Free result
 143                 SQL_FREERESULT($result_config);
 144
 145                 // Remember this config in the array
 146                 $GLOBALS['cache_array']['config'][$no] = getConfigArray();
 147         }
 148 }
 149
 150 // Getter for whole $GLOBALS['config'] array
 151 function getConfigArray () {
 152         // Default is null
 153         $return = null;
 154
 155         // Is the config set?
 156         if (isConfigLoaded()) {
 157                 // Then use it
 158                 $return = $GLOBALS['config'];
 159         } // END - if
 160
 161         // Return result
 162         return $return;
 163 }
 164
 165 // Updates an old inc/config.php to a inc/cache/config-local.php file
 166 function updateOldConfigFile () {
 167         // Watch out for these lines and execute them as single command
 168         // @TODO Make this all better... :-/
 169         $watchLines = array(
 170                 "define('SITE_KEY',"           => 'SITE_KEY',
 171                 "define('DEFAULT_LANG',"       => 'DEFAULT_LANG',
 172                 "define('warn_no_pass',"       => 'WARN_NO_PASS',
 173                 "define('WRITE_FOOTER',"       => 'WRITE_FOOTER',
 174                 "define('OUTPUT_MODE',"        => 'OUTPUT_MODE',
 175                 "define('MAIN_TITLE',"         => 'MAIN_TITLE',
 176                 "define('SLOGAN',"             => 'SLOGAN',
 177                 "define('WEBMASTER',"          => 'WEBMASTER',
 178                 "define('mxchange_installed'," => 'MXCHANGE_INSTALLED',
 179                 "define('admin_registered',"   => 'ADMIN_REGISTERED',
 180                 "define('_MYSQL_PREFIX',"      => '_MYSQL_PREFIX',
 181                 "define('_TABLE_TYPE',"        => '_TABLE_TYPE',
 182                 "define('_DB_TYPE',"           => '_DB_TYPE',
 183                 "define('SMTP_HOSTNAME',"      => 'SMTP_HOSTNAME',
 184                 "define('SMTP_USER'"           => 'SMTP_USER',
 185                 "define('SMTP_PASSWORD',"      => 'SMTP_PASSWORD',
 186                 "define('ENABLE_BACKLINK',"    => 'ENABLE_BACKLINK',
 187         );
 188
 189         // Make these lower-case! (damn stupid code...)
 190         $lowerCase = array('WARN_NO_PASS', 'MXCHANGE_INSTALLED', 'ADMIN_REGISTERED');
 191
 192         // These are still constants...
 193         // @TODO Rewrite these all to config entries, if somehow possible
 194         $constants = array('MAIN_TITLE', 'SLOGAN', 'WEBMASTER');
 195
 196         // Special comments...
 197         $comments = array(
 198                 'WARN_NO_PASS'       => 'NULLPASS-WARNING',
 199                 'MXCHANGE_INSTALLED' => 'INSTALLED',
 200                 'ADMIN_REGISTERED'   => 'ADMIN-SETUP',
 201                 '_MYSQL_PREFIX'      => 'MYSQL-PREFIX',
 202                 '_TABLE_TYPE'        => 'TABLE-TYPE',
 203                 '_DB_TYPE'           => 'DATABASE-TYPE',
 204                 'ENABLE_BACKLINK'    => 'BACKLINK',
 205                 'host'               => 'MYSQL-HOST',
 206                 'dbase'              => 'MYSQL-DBASE',
 207                 'login'              => 'MYSQL-LOGIN',
 208                 'password'           => 'MYSQL-PASSWORD'
 209         );
 210
 211         // Copy template to new file destionation
 212         copyFileVerified(constant('PATH') . 'inc/config-local.php.dist', constant('PATH') . 'inc/cache/config-local.php', 0644);
 213
 214         // First of all, load the old one!
 215         $oldConfig = explode("\n", readFromFile(constant('PATH') . 'inc/config.php'));
 216
 217         // Now, analyze every entry
 218         $done = array();
 219         foreach ($oldConfig as $line) {
 220                 // Check all watch lines
 221                 foreach ($watchLines as $old => $new) {
 222                         // Is the line found?
 223                         if ((substr($line, 0, strlen($old)) == $old) && (!isset($done[$old]))) {
 224                                 // Entry found!
 225                                 //* DEBUG: */ print htmlentities($line) . " - FOUND!<br />\n";
 226
 227                                 // Eval the line...
 228                                 eval($line);
 229
 230                                 // Setting config entry is new default behaviour!
 231                                 $function = 'setConfigEntry';
 232
 233                                 // Still some old constants left?
 234                                 if (in_array($new, $constants)) {
 235                                         // Then switch over...
 236                                         $function = 'define';
 237                                 } // END - if
 238
 239                                 // Default comment
 240                                 $comment = str_replace('_', '-', $new);
 241
 242                                 // Do we have a special comment?
 243                                 if (isset($comments[$new])) {
 244                                         // Then use it
 245                                         $comment = $comments[$new];
 246                                 } // END - if
 247
 248                                 // Do we need to make $new lowercase?
 249                                 $oldNew = $new;
 250                                 if (in_array($new, $lowerCase)) {
 251                                         // Then do so... :)
 252                                         $new = strtolower($new);
 253                                 } // END - if
 254
 255                                 /// ... and write it to the new config
 256                                 //* DEBUG: */ print 'function=' . $function . ',new=' . $new . ',comment=' . $comment . "<br />\n";
 257                                 changeDataInFile(constant('PATH') . 'inc/cache/config-local.php', $comment, $function . "('" . $oldNew . "', \"", "\");", constant($new), 0);
 258                                 //* DEBUG: */ print "CHANGED!<br />\n";
 259
 260                                 // Mark it as done
 261                                 $done[$old] = 1;
 262                         } // END - if
 263                 } // END - foreach
 264         } // END - foreach
 265
 266         // By default the old array $MySQL was not found
 267         $found = false;
 268
 269         // Analyze every entry again for the MySQL configuration
 270         foreach ($oldConfig as $line) {
 271                 // Trim spaces
 272                 $line = trim($line);
 273
 274                 // Is the $MySQL found?
 275                 if (substr($line, 0, 6) == "\$MySQL") {
 276                         // Okay found!
 277                         $found = true;
 278                 } elseif ($found === true) {
 279                         // Now check this row
 280                         if (substr($line, 0, 2) == ');') {
 281                                 // MySQL array is closed so stop looking for it
 282                                 break;
 283                         } elseif (substr($line, 0, 2) == '//') {
 284                                 // Skip this line
 285                                 continue;
 286                         }
 287
 288                         // Debug output only
 289                         //* DEBUG: */ print htmlentities($line) . " - MySQL!<br />\n";
 290
 291                         // Split parts so we can check them and prepare them
 292                         $parts = explode('=>', $line);
 293                         $key = substr(trim($parts[0]), 1, -1); $value = substr(trim($parts[1]), 1, -2);
 294
 295                         // We can now save the right part in new config file
 296                         changeDataInFile(constant('PATH') . 'inc/cache/config-local.php', $comments[$key], "    '".$key."'     => \"", "\",", $value, 0);
 297                 }
 298         } // END - foreach
 299
 300         // Finally remove old config file
 301         removeFile(constant('PATH') . 'inc/config.php');
 302
 303         // Redirect to same URL to reload our new config
 304         redirectToUrl($_SERVER['REQUEST_URI']);
 305 }
 306
 307 // [EOF]
 308 ?>