<?php
-/************************************************************************
- * MXChange v0.2.1 Start: 06/26/2004 *
- * =============== Last change: 07/01/2005 *
- * *
- * -------------------------------------------------------------------- *
- * File : load_extensions.php *
- * -------------------------------------------------------------------- *
- * Short description : Load all extensions *
- * -------------------------------------------------------------------- *
- * Kurzbeschreibung : Alle Erweiterungen laden *
- * -------------------------------------------------------------------- *
- * @TODO Rewrite this whole file to load_cache-extensions.php *
- * -------------------------------------------------------------------- *
- * $Revision:: $ *
- * $Date:: $ *
- * $Tag:: 0.2.1-FINAL $ *
- * $Author:: $ *
- * Needs to be in all Files and every File needs "svn propset *
- * svn:keywords Date Revision" (autoprobset!) at least!!!!!! *
- * -------------------------------------------------------------------- *
- * Copyright (c) 2003 - 2008 by Roland Haeder *
- * For more information visit: http://www.mxchange.org *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the Free Software *
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
- * MA 02110-1301 USA *
- ************************************************************************/
-
-// Some security stuff...
-if (!defined('__SECURITY')) {
- $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php';
- require($INC);
-} // END - if
-
-// Init variables
-EXT_INIT_CSS_FILES();
-$add = '';
-
-// Init cache instance and array
-$GLOBALS['cache_instance'] = null;
-$GLOBALS['cache_array'] = array();
-
-// Skip loading extensions
-if ((!isInstalled()) || (isInstalling())) {
- // Init filter system here
- initFilterSystem();
-
- // Skip loading
- return;
-} // END - if
-
-// Initialize array for "always keep active extensions"
-$GLOBALS['cache_array']['active_extensions'] = array();
-
-// By default no cache is set
-$GLOBALS['cache_mode'] = 'no';
-
-// Load sql_patchrs extension alone
-if (!LOAD_EXTENSION('sql_patches')) {
- // Could not load sql_patches! ARGH!!!
- trigger_error('Cannot load extension sql_patches.');
-} // END - if
-
-// Init inc pool array
-INIT_INC_POOL();
-
-//
-// Load extensions
-//
-if (EXT_IS_ACTIVE('cache')) {
- // Load cache extension alone
- if (!LOAD_EXTENSION('cache')) {
- // Extension 'cache' was not loaded
- trigger_error('Cannot load extension cache.');
- } // END - if
-
- // Check extension cache
- switch (($GLOBALS['cache_instance']->loadCacheFile('extensions', true)) && ($GLOBALS['cache_instance']->extensionVersionMatches('sql_patches'))) {
- case true : $GLOBALS['cache_mode'] = 'load'; break;
- case false: $GLOBALS['cache_mode'] = 'init'; break;
- } // END - switch
-
- // Do we need to init the cache? But not in "CSS mode".
- if (($GLOBALS['cache_mode'] == 'init') && (getConfig('cache_exts') == 'Y') && (getOutputMode() == '0')) {
- // Init cache file
- $GLOBALS['cache_instance']->init('EXTENSIONS');
- $GLOBALS['cache_instance']->storeExtensionVersion('sql_patches');
- } elseif (getConfig('cache_exts') != 'Y') {
- // Cache will not be created for extensions
- $GLOBALS['cache_mode'] = 'skip';
- }
-} // END - if
-
-// Load cache?
-if ($GLOBALS['cache_mode'] == 'load') {
- // Init include array
- $EXT_POOL = array();
-
- // Re-initialize handler
- $GLOBALS['cache_instance']->loadCacheFile('extensions', true);
-
- // Load extension data from cache file
- $EXT_DUMMY = $GLOBALS['cache_instance']->getArrayFromCache();
-
- // Is the cache file fine?
- if (!isset($EXT_DUMMY['ext_name'])) {
- // Cache file is damaged so kill it
- $GLOBALS['cache_instance']->destroyCacheFile();
-
- // Retry it
- require(__FILE__);
- return;
- } // END - if
-
- // Begin with the cache preparation of extensions
- $EXT_NAMES = array();
- foreach ($EXT_DUMMY['ext_name'] as $k => $name) {
- // Load CSS file
- if ($EXT_DUMMY['ext_css'][$k] == 'Y') EXT_ADD_CSS_FILE($name . '.css');
-
- // Load extension file itself
- if ((($EXT_DUMMY['ext_active'][$k] == 'Y') || ($EXT_DUMMY['ext_keep'][$k] == 'Y') || (IS_ADMIN())) && (!in_array($name, array('sql_patches', 'cache')))) {
- $EXT_POOL[] = $name;
- } // END - if
-
- // Version number
- $EXT_DUMMY['ext_version'][$name] = $EXT_DUMMY['ext_version'][$k];
- unset($EXT_DUMMY['ext_version'][$k]);
-
- // Extension is active
- $EXT_DUMMY['ext_active'][$name] = $EXT_DUMMY['ext_active'][$k];
- unset($EXT_DUMMY['ext_active'][$k]);
-
- // Ext menu
- $EXT_DUMMY['ext_menu'][$name] = $EXT_DUMMY['ext_menu'][$k];
- unset($EXT_DUMMY['ext_menu'][$k]);
-
- // Extension id
- $EXT_DUMMY['ext_id'][$name] = $EXT_DUMMY['ext_id'][$k];
- $id = $EXT_DUMMY['ext_id'][$name];
- unset($EXT_DUMMY['ext_id'][$k]);
-
- // Add ext name
- $EXT_NAMES[$id] = $name;
-
- // Add deprecated flag (defaults to 'not deprecated')
- $EXT_DUMMY['ext_deprecated'][$name] = 'N';
-
- // Mark it as active extension
- $GLOBALS['cache_array']['active_extensions'][$name] = $EXT_DUMMY['ext_keep'][$k];
- unset($EXT_DUMMY['ext_keep'][$k]);
-
- // Remove unneccessary data from memory
- unset($EXT_DUMMY['ext_css'][$k]);
- } // END - foreach
-
- // Write dummy array back
- $EXT_DUMMY['ext_name'] = $EXT_NAMES;
- unset($EXT_NAMES);
-
- // Loading cache is done so let's free some memory!
- unset($EXT_DUMMY['ext_keep']);
- unset($EXT_DUMMY['ext_css']);
- $GLOBALS['cache_array']['extensions'] = $EXT_DUMMY;
- unset($EXT_DUMMY);
-
- // No database load needed
- $res_ext_crt = false;
-
- // Load all extension files
- foreach ($EXT_POOL as $ext) {
- LOAD_EXTENSION($ext);
- } // END - foreach
-
- // Load more cache files (like admins)
- loadIncludeOnce('inc/load_cache.php');
-
- // Remove array
- unset($EXT_POOL);
-} else {
- // If current user is not admin load only activated extensions. But load
- // them all if we are going to init the cache files. The admin shall use
- // every available extension for testing purposes.
- if ((!IS_ADMIN()) && ($GLOBALS['cache_mode'] != 'init')) $add = " WHERE `ext_active`='Y'";
-
- if (GET_EXT_VERSION('sql_patches') >= '0.0.6') {
- // Query with CSS file from DB
- $res_ext_crt = SQL_QUERY("SELECT id AS ext_id, ext_name, ext_has_css AS ext_css, ext_active, ext_version
-FROM `{!_MYSQL_PREFIX!}_extensions`" . $add . "
-ORDER BY ext_name", __FILE__, __LINE__);
- } else {
- // Old obsolete query string
- $res_ext_crt = SQL_QUERY("SELECT id AS ext_id, ext_name, ext_name, ext_active, ext_version
-FROM `{!_MYSQL_PREFIX!}_extensions`" . $add . "
-ORDER BY ext_name", __FILE__, __LINE__);
- }
-}
-
-// Array for removed but not uninstalled extensions
-$DEL = array();
-
-// At least one found?
-if ((SQL_NUMROWS($res_ext_crt) > 0) && ((($GLOBALS['cache_mode'] == 'init') && (getOutputMode() != '1') && (getOutputMode() != '-1')) || ($GLOBALS['cache_mode'] == 'no'))) {
- // Extensions are registered so we load them
- while ($content = SQL_FETCHARRAY($res_ext_crt)) {
- // Get menu entry
- $content['ext_menu'] = 'N';
- if (MODULE_HAS_MENU($content['ext_name'], true)) {
- $content['ext_menu'] = 'Y';
- } // END - if
-
- // Generate FQFN for extension
- $INC = sprintf("inc/extensions/ext-%s.php", $content['ext_name']);
-
- // Does the extension file exists?
- if (isIncludeReadable($INC)) {
- // By default no extension is always active, except sql_patches
- EXT_SET_ALWAYS_ACTIVE('N');
-
- // Load extension
- if (($content['ext_name'] != 'sql_patches') && (($content['ext_name'] != 'cache') || (!EXT_IS_ACTIVE('cache')))) {
- // Load extension
- LOAD_EXTENSION($content['ext_name']);
- } else {
- // Keep sql_patches always active
- EXT_SET_ALWAYS_ACTIVE('Y');
- }
-
- // Transfer EXT_ALWAYS_ACTIVE flag
- $content['ext_keep'] = EXT_GET_ALWAYS_ACTIVE();
-
- // CSS file handling:
- if ((!isset($content['ext_css'])) || ($content['ext_css'] == 'Y')) {
- // Create FQFN for the CSS file
- $FQFN = sprintf("%stheme/%s/css/%s.css", getConfig('PATH'), getCurrentTheme(), $content['ext_name']);
-
- // Is the file there?
- if (isFileReadable($FQFN)) {
- // CSS file for extension was found (use only relative path for now!)
- EXT_ADD_CSS_FILE($content['ext_name'] . '.css');
- $content['ext_css'] = 'Y';
- } else {
- // Don't load CSS file
- $content['ext_css'] = 'N';
- }
- } // END - if
-
- // Shall we cache?
- if ($GLOBALS['cache_mode'] == 'init') {
- // Add cache row
- $GLOBALS['cache_instance']->addRow($content);
- } elseif ($GLOBALS['cache_mode'] == 'no') {
- // Remember this value for later usage
- $GLOBALS['cache_array']['active_extensions'][$content['ext_name']] = EXT_GET_ALWAYS_ACTIVE();
- }
- } elseif (!isFileReadable($FQFN)) {
- // Deleted extension file so we mark it for removal from DB
- $DEL[] = $content['ext_name'];
- }
- } // END - while
-
- if ($GLOBALS['cache_mode'] == 'init') {
- // Close cache file
- $GLOBALS['cache_instance']->finalize();
-
- // Load more cache files (like admins)
- loadIncludeOnce('inc/load_cache.php');
- } else {
- // Init filter system for non-init mode
- initFilterSystem();
- }
-
- // Free memory
- SQL_FREERESULT($res_ext_crt);
-} elseif ((!EXT_IS_ACTIVE('cache')) || (($GLOBALS['cache_mode'] == 'init') && (getOutputMode() != 0))) {
- // Init filter system even when there are no extensions installed. #16
- initFilterSystem();
-} elseif ($GLOBALS['cache_mode'] != 'load') {
- // Something unexpected!
- debug_report_bug('Unexpected state in '.basename(__FILE__).': cache_mode='.$GLOBALS['cache_mode'].', numRows='.SQL_NUMROWS($res_ext_crt));
-}
-
-// Run the filter
-runFilterChain('load_includes');
-
-// Uninstall extensions that are no longer in our system
-if (!empty($DEL[0])) {
- // Remove extensions from two tables: extension registry and tasks table
- foreach ($DEL as $del_ext) {
- // First remove entry from extensions table
- SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_extensions` WHERE `ext_name`='%s' LIMIT 1",
- array($del_ext), __FILE__, __LINE__);
-
- // Remove (maybe?) found tasks (main task and possible updates
- SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_task_system` WHERE `subject`='[%s:]' AND (`task_type`='EXTENSION' OR `task_type`='EXTENSION_UPDATE')",
- array($del_ext), __FILE__, __LINE__);
- } // END - foreach
-
- // I think it's not neccessary to run the optimization function here
- // because we didn't delete so much data from database. Can you aggree?
-} // END - if
-
-//
+// @DEPRECATED
?>
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