<?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 *
- * -------------------------------------------------------------------- *
- * *
- * -------------------------------------------------------------------- *
- * 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 (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
-{
- $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
- require($INC);
-}
-//
-global $EXT_CSS_FILES;
-$EXT_CSS_FILES = array();
-$ADD = "";
-
-// Skip loading extensions
-if ((!isBooleanConstantAndTrue('mxchange_installed')) || (isBooleanConstantAndTrue('mxchange_installing'))) return;
-
-// Load default sql_patches extension if present
-if (file_exists(PATH."inc/extensions/ext-sql_patches.php") && is_readable(PATH."inc/extensions/ext-sql_patches.php")) {
- // Load it...
- $EXT_LOAD_MODE = "";
- require_once(PATH."inc/extensions/ext-sql_patches.php");
- $cacheArray['active_extensions'] = array('sql_patches' => 'Y'); // KEEP THIS ALWAYS ACTIVE!
-} else {
- // Initialize array for "always keep active extensions"
- $cacheArray['active_extensions'] = array();
-}
-
-//
-// Load extensions
-//
-if (EXT_IS_ACTIVE("cache")) {
- // Load cache extension alone
- include_once(PATH."inc/libs/cache_functions.php");
- $cacheMode = "";
- include_once(PATH."inc/extensions/ext-cache.php");
- switch($cacheInstance->cache_file("extensions", true)) {
- case true : $cacheMode = "load"; break;
- case false: $cacheMode = "init"; break;
- }
-
- // Do not recreate cache file when it's switched off!
- if (($cacheMode == "init") && ($_CONFIG['cache_exts'] == 'N')) $cacheMode = "skip";
-
- // Load language
- if ($cacheMode == "load") include(PATH."inc/language/cache_".GET_LANGUAGE().".php");
-} else {
- $cacheMode = "no";
-}
-
-if ($cacheMode == "load") {
- // Load more cache files (like admins)
- require_once(PATH."inc/load_cache.php");
-
- // Re-initialize handler
- $cacheInstance->cache_file("extensions", true);
-
- // Load extension data from cache file
- $EXT_DUMMY = $cacheInstance->cache_load();
- foreach ($EXT_DUMMY['ext_name'] as $k=>$name) {
- // Load functions file
- if ($EXT_DUMMY['ext_funcs'][$k] == 'Y') require_once(PATH."inc/libs/".$name."_functions.php");
-
- // Load Language file
- if ($EXT_DUMMY['ext_lang'][$k] == 'Y') {
- $INC = sprintf(PATH."inc/language/%s_%s.php", $name, GET_LANGUAGE());
- if (file_exists($INC)) require_once($INC);
- }
-
- // Load CSS file
- if ($EXT_DUMMY['ext_css'][$k] == 'Y') $EXT_CSS_FILES[] = "".$name.".css";
-
- // Load extension file itself
- if (($EXT_DUMMY['ext_active'][$k] == 'Y') || ($EXT_DUMMY['ext_keep'][$k] == 'Y') || (IS_ADMIN())) {
- require_once(PATH."inc/extensions/ext-".$name.".php");
- }
-
- // Transfer version number and active status
- $EXT_DUMMY['ext_version'][$name] = $EXT_DUMMY['ext_version'][$k];
- unset($EXT_DUMMY['ext_version'][$k]);
- $EXT_DUMMY['ext_active'][$name] = $EXT_DUMMY['ext_active'][$k];
- unset($EXT_DUMMY['ext_active'][$k]);
- $EXT_DUMMY['ext_menu'][$name] = $EXT_DUMMY['ext_menu'][$k];
- unset($EXT_DUMMY['ext_menu'][$k]);
- $cacheArray['active_extensions']['$name'] = $EXT_DUMMY['ext_keep'][$k];
- unset($EXT_DUMMY['ext_keep'][$k]);
- $k2 = $EXT_DUMMY['ext_id'][$k];
- $EXT_DUMMY['ext_id'][$k2] = $name;
- if ($k2 != $k) unset($EXT_DUMMY['ext_id'][$k]);
-
- // Remove unneccessary data from memory
- unset($EXT_DUMMY['ext_lang'][$k]);
- unset($EXT_DUMMY['ext_css'][$k]);
- unset($EXT_DUMMY['ext_funcs'][$k]);
- }
-
- // Close cache file
- $cacheInstance->cache_close();
-
- // Loading cache is done so let's free some memory!
- unset($EXT_DUMMY['ext_lang']);
- unset($EXT_DUMMY['ext_keep']);
- unset($EXT_DUMMY['ext_css']);
- unset($EXT_DUMMY['ext_funcs']);
- $cacheArray['extensions'] = $EXT_DUMMY;
- unset($EXT_DUMMY);
-
- // No database load needed
- $res_ext_crt = false;
-} else {
- // If current user is not admin load only activated extensions
- // The admin shall use every available extension for testing purposes
- if ((!IS_ADMIN()) && ($cacheMode != "init")) $ADD = " WHERE ext_active='Y'";
-
- if (GET_EXT_VERSION("sql_patches") >= "0.0.6") {
- // Query with CSS file from DB
- $res_ext_crt = SQL_QUERY("SELECT id, ext_name, ext_lang_file, ext_has_css, ext_active, ext_version
-FROM "._MYSQL_PREFIX."_extensions".$ADD."
-ORDER BY ext_name", __FILE__, __LINE__);
- } else {
- // Old obsulete query string
- $res_ext_crt = SQL_QUERY("SELECT id, ext_name, ext_lang_file, ext_name, ext_active, ext_version
-FROM "._MYSQL_PREFIX."_extensions".$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) && (($cacheMode == "init") || ($cacheMode == "no")) && ($CSS != "1") && ($CSS != "-1"))
-{
- // Load theme management
- require_once(PATH."inc/theme-manager.php");
-
- // If we need to init the cache init it now
- if ($cacheMode == "init") $cacheInstance->cache_init("EXTENSIONS");
-
- // Extensions are registered so we load them
- while (list($EXT_ID, $name, $lang, $css, $active, $version) = SQL_FETCHROW($res_ext_crt))
- {
- // Get menu entry
- $result_menu = SQL_QUERY_ESC("SELECT has_menu FROM "._MYSQL_PREFIX."_mod_reg WHERE module='%s' LIMIT 1",
- array($name), __FILE__, __LINE__);
- list($menu) = SQL_FETCHROW($result_menu);
- //* DEBUG: */ echo "*".$name."/".$menu."*<br>";
-
- // An empty menu entry will be interpreted as N (no menu) to avoid problems
- if (empty($menu)) $menu = 'N';
-
- // Load extensions
- $file1 = sprintf(PATH."inc/extensions/ext-%s.php", $name);
- $file2 = $file1; $EXT_CSS = 'N'; $EXT_ALWAYS_ACTIVE = 'N';
-
- // Special functions file
- $file3 = sprintf(PATH."inc/libs/%s_functions.php", $name);
-
- // Does the extension file exists?
- if (file_exists($file1) && is_readable($file1))
- {
- // If there's no language file specified we don't need to load one... ;-)
- if (!empty($lang)) {
- // Create language file
- $file2 = sprintf(PATH."inc/language/%s_%s.php", $lang, GET_LANGUAGE());
- }
-
- if (file_exists($file3) && is_readable($file3))
- {
- // Special functions file
- $funcs = 'Y';
- require_once($file3);
- }
- else
- {
- // Don't load functions file
- $funcs = 'N';
- }
-
- // Do we need a language file?
- if (($file1 != $file2) && (file_exists($file2)) && (is_readable($file2)))
- {
- // Load language file
- $lang = 'Y';
- include($file2);
- }
- else
- {
- // Don't load language file
- $lang = 'N';
- }
-
- // Load extension
- if ($name != "sql_patches")
- {
- // Load extension's file
- include_once($file1);
- }
- else
- {
- // KEEP sql_patches ALWAYS ACTIVE!
- $EXT_ALWAYS_ACTIVE = 'Y';
- }
-
- if ($css == 'Y')
- {
- $CSS_FILE = PATH."theme/".GET_CURR_THEME()."/css/".$name.".css";
- if (file_exists($CSS_FILE))
- {
- // CSS file for extension was found (use only relative path for now!)
- $EXT_CSS_FILES[] = $name.".css";
- }
- else
- {
- // Don't load CSS file
- $css = 'N';
- }
- }
-
- // Add cache row
- if ($cacheMode == "init")
- {
- $cacheInstance->add_row(array(
- 'ext_id' => $EXT_ID,
- 'ext_name' => $name,
- 'ext_lang' => $lang,
- 'ext_css' => $css,
- 'ext_menu' => $menu,
- 'ext_funcs' => $funcs,
- 'ext_active' => $active,
- 'ext_version' => $version,
- 'ext_keep' => $EXT_ALWAYS_ACTIVE,
- ));
- }
- elseif ($cacheMode == "no")
- {
- // Remember this value for later usage
- $cacheArray['active_extensions'][$name] = $EXT_ALWAYS_ACTIVE;
- }
- }
- elseif (!file_exists($file1))
- {
- // Deleted extension file so we mark it for removal from DB
- $DEL[] = $name;
- }
- }
-
- if ($cacheMode == "init")
- {
- // Close cache file
- $cacheInstance->cache_close();
-
- // Load more cache files (like admins)
- require_once(PATH."inc/load_cache.php");
- }
-}
-
-// Free memory
-SQL_FREERESULT($res_ext_crt);
-
-// Load include files
-if (!empty($INC_POOL[0]))
-{
- foreach ($INC_POOL as $inc)
- {
- require_once($inc);
- }
-}
-
-// 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 $name)
- {
- // First remove entry from extensions table
- $result = SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
- array($name), __FILE__, __LINE__);
-
- // Remove (maybe?) found tasks (main task and possible updates
- $result = SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_task_system WHERE subject LIKE '[%s:] %' AND (task_type='EXTENSION' OR task_type='EXTENSION_UPDATE')",
- array($name), __FILE__, __LINE__);
- }
-
- // 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?
-}
-//
+// @DEPRECATED
?>