+++ /dev/null
-<?php
-/************************************************************************
- * MXChange v0.2.1 Start: 03/25/2004 *
- * =============== Last change: 09/29/2004 *
- * *
- * -------------------------------------------------------------------- *
- * File : extensions.php *
- * -------------------------------------------------------------------- *
- * Short description : Extension management *
- * -------------------------------------------------------------------- *
- * Kurzbeschreibung : Erweiterungen-Management *
- * -------------------------------------------------------------------- *
- * *
- * -------------------------------------------------------------------- *
- * 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);
-}
-//
-function EXTENSION_REGISTER($ext_name, $id, $dry_run=false)
-{
- global $NOTES, $CONFIG, $INC_POOL;
- // We want to register an extension and registration status is by default "failed" (= false)
- $EXT_LOAD_MODE = "register"; $ret = false; $SQLs = array();
- $INC_POOL = array();
-
- // This shall never do a non-admin user!
- if (!IS_ADMIN()) return false;
-
- // Is this extension already installed?
- if (EXT_IS_ACTIVE($ext_name)) return false;
-
- // Generate file name
- $file = sprintf(PATH."inc/extensions/ext-%s.php", $ext_name);
-
- // Does this extension exists?
- if (file_exists($file) && is_readable($file))
- {
- // Extension was found so we can load it in registration mode
- require($file);
-
- // And run possible updates
- $EXT_LOAD_MODE = "update"; $EXT_UPDATE_DEPENDS = "";
- foreach ($EXT_VER_HISTORY as $EXT_VER)
- {
- require($file);
- if (((GET_EXT_VERSION("sql_patches") != "") && ($CONFIG['verbose_sql'] == "Y")) || (!EXT_IS_ACTIVE("sql_patches")))
- {
- if (!empty($UPDATE_NOTES))
- {
- // Update notes found
- $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><BR>".$UPDATE_NOTES."<BR><BR>\n";
- $UPDATE_NOTES = "";
- }
- elseif (($EXT_VER == "0.0") || ($EXT_VER == "0.0.0"))
- {
- // Initial release
- $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><BR>".INITIAL_RELEASE."<BR><BR>\n";
- }
- else
- {
- $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><BR><I>".NO_UPDATE_NOTES."</I><BR><BR>\n";
- }
- }
- }
-
- // Does this extension depends on an outstanding update of another update?
- if (!empty($EXT_UPDATE_DEPENDS))
- {
- // Backup SQL commands and clear current
- $SQLs2 = $SQLs; $SQLs = array(); $test = false;
-
- // Backup language as well
- $LANG_BCK = $EXT_LANG_PREFIX;
-
- // Load required extension also in update mode
- $file = sprintf(PATH."inc/extensions/ext-%s.php", $EXT_UPDATE_DEPENDS);
-
- // Check for required file
- if (file_exists($file) && is_readable($file))
- {
- // File exists so let's load it
- $VER_BACKUP = $EXT_VERSION;
- require($file);
- $EXT_VERSION = $VER_BACKUP;
-
- // If versions mismatch update extension first
- $ext_ver = GET_EXT_VERSION($EXT_UPDATE_DEPENDS);
- if (empty($ext_ver))
- {
- // Extension not registered so far so first load task's ID...
- $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_task_system WHERE task_type='EXTENSION' AND subject LIKE '[%s:]%%' LIMIT 1",
- array($EXT_UPDATE_DEPENDS), __FILE__, __LINE__);
- if (SQL_NUMROWS($result) == 1)
- {
- // Task found so load task's ID and register extension...
- list($task) = SQL_FETCHROW($result);
- SQL_FREERESULT($result);
- $test = EXTENSION_REGISTER($EXT_UPDATE_DEPENDS, $task, $dry_run);
- }
- }
- elseif ($ext_ver != $EXT_VERSION)
- {
- // Ok, update this extension now
- EXTENSION_UPDATE(basename($file), $EXT_UPDATE_DEPENDS, $ext_ver, $dry_run);
- $test = true;
- }
- else
- {
- // Nothing to register / update before...
- $test = true;
- }
- }
- else
- {
- // Required file for update does not exists!
- $test = true;
- // But this is fine for the first time...
- }
-
- // Finally restore previous SQLs
- $SQLs = $SQLs2; unset($SQLs2);
- $EXT_LANG_PREFIX = $LANG_BCK;
- }
- else
- {
- // Does not depend on an other extension
- $test = true;
- }
-
- // Does everthing before wents ok?
- if ($test)
- {
- // "Dry-run-mode" activated?
- if (!$dry_run)
- {
- // Are there any SQL commands to run?
- if (count($SQLs) > 0)
- {
- foreach ($SQLs as $sql)
- {
- $sql = trim($sql);
- // Run SQL command
- if (!empty($sql))
- {
- // Run SQLs without compiling them...
- $result = SQL_QUERY($sql, __FILE__, __LINE__, false);
- }
- }
- }
-
- // Check for added include files
- if (count($INC_POOL > 0))
- {
- // Loads every include file
- foreach ($INC_POOL as $inc)
- {
- require_once($inc);
- }
- }
-
- // Register extension
- $result = SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_extensions (ext_name, ext_lang_file, ext_active, ext_version) VALUES ('%s', '%s', 'N', '%s')",
- array($ext_name, $EXT_LANG_PREFIX, $EXT_VERSION), __FILE__, __LINE__);
-
- // Update task management
- $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_task_system SET status='SOLVED' WHERE id=%d LIMIT 1",
- array(bigintval($id)), __FILE__, __LINE__);
-
- // In normal mode return a true on success
- $ret = true; unset($SQLs);
- }
- else
- {
- // Rewrite SQL command to keep { and } inside
- foreach ($SQLs as $key=>$sql)
- {
- $sql = str_replace('{', "{", str_replace('}', "}", $sql));
- $SQLs[$key] = $sql;
- }
-
- // In "dry-run" mode return array with all SQL commands
- $ret = $SQLs;
-
- // Remove all SQL commands
- unset($SQLs);
- }
- }
- else
- {
- // No, an error occurs while registering extension :-(
- $ret = false;
- }
- }
- elseif (($id > 0) && (!empty($ext_name)))
- {
- // Remove task from system when id and extension's name is valid
- $result = SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_task_system WHERE id=%d AND status='NEW' LIMIT 1",
- array(bigintval($id)), __FILE__, __LINE__);
- }
- // Return status code
- return $ret;
-}
-//
-function EXTENSION_RUN_SQLS($id, $EXT_LOAD_MODE)
-{
- global $CACHE;
- // This shall never do a non-admin user!
- if (!IS_ADMIN()) return false;
-
- // Get extension's name
- $result = SQL_QUERY_ESC("SELECT ext_name FROM "._MYSQL_PREFIX."_extensions WHERE id=%d LIMIT 1",
- array(bigintval($id)), __FILE__, __LINE__);
- list($ext_name) = SQL_FETCHROW($result);
- SQL_FREERESULT($result);
- if (empty($ext_name)) return false;
-
- // Load extension in detected mode
- $file = sprintf(PATH."inc/extensions/ext-%s.php", $ext_name); $SQLs = array();
- if (file_exists($file) && is_readable($file)) require($file);
- if ((is_array($SQLs) && (sizeof($SQLs) > 0)))
- {
- // Run SQL commands...
- foreach ($SQLs as $sql) {
- // Trim spaces away which we don't need
- $sql = trim($sql);
-
- // Is there still an SQL query?
- if (!empty($sql)) {
- // Run SQL command
- $result = SQL_QUERY($sql, __FILE__, __LINE__, false);
- }
- }
-
- // Remove cache file(s) if extension is active
- if (EXT_IS_ACTIVE("cache")) {
- // Remove cache filer
- if ($CACHE->cache_file("extensions", true)) $CACHE->cache_destroy();
- if ($CACHE->cache_file("mod_reg", true)) $CACHE->cache_destroy();
- if ($CACHE->cache_file("config", true)) $CACHE->cache_destroy();
- }
- }
-}
-//
-function EXT_IS_ACTIVE ($ext_name, $ignore_admin=false, $ignore_cache=false)
-{
- global $EXTENSIONS, $CONFIG;
-
- // Extensions are all inactive during installation
- if ((!mxchange_installed) || (mxchange_installing) || (empty($ext_name))) return false;
-
- // Extension's file name will also be checked
- $FILE = PATH."inc/extensions/ext-".$ext_name.".php";
- if ((!file_exists($FILE)) && (!is_readable($FILE))) return false;
- //* DEBUG: */ echo "*".$ext_name."*<BR>";
-
- // Failed is the default
- $ret = false;
- if ((!empty($EXTENSIONS['ext_active'][$ext_name])) && (!$ignore_cache))
- {
- // Load from cache
- $active = $EXTENSIONS['ext_active'][$ext_name];
-
- // Count cache hits
- if (isset($CONFIG['cache_hits'])) $CONFIG['cache_hits']++;
- }
- else
- {
- // Load from database
- $result = SQL_QUERY_ESC("SELECT ext_active FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
- array($ext_name), __FILE__, __LINE__);
- if (SQL_NUMROWS($result) == 0)
- {
- // Extension was not found!
- return false;
- }
- list($active) = SQL_FETCHROW($result);
- SQL_FREERESULT($result);
-
- // Write cache array
- $EXTENSIONS['ext_active'][$ext_name] = $active;
- }
-
- // Is this extension activated? (For admins we always have active extensions...)
- $inc = sprintf(PATH."inc/extensions/ext-%s.php", $ext_name);
- // Shorter way
- return (
- (
- ($active == "Y") || (
- (IS_ADMIN()) &&
- (!$ignore_admin) &&
- (!empty($active))
- )
- ) && (
- file_exists($inc)
- ) && (
- is_readable($inc)
- )
- );
-}
-//
-function GET_EXT_VERSION ($ext_name)
-{
- global $EXTENSIONS, $CONFIG;
- // Extensions are all inactive during installation
- if ((!mxchange_installed) || (mxchange_installing)) return "";
-
- // Is the cache written?
- if (!empty($EXTENSIONS['ext_version'][$ext_name]))
- {
- // Load data from cache
- $ret = $EXTENSIONS['ext_version'][$ext_name];
-
- // Count cache hits
- if (isset($CONFIG['cache_hits'])) $CONFIG['cache_hits']++;
- }
- else
- {
- // Load from database
- $result = SQL_QUERY_ESC("SELECT ext_version FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
- array($ext_name), __FILE__, __LINE__);
- list($ret) = SQL_FETCHROW($result);
- SQL_FREERESULT($result);
-
- // Set cache
- $EXTENSIONS['ext_version'][$ext_name] = $ret;
- }
- return $ret;
-}
-//
-function EXTENSION_UPDATE($file, $ext, $EXT_VER, $dry_run=false)
-{
- // This shall never do a non-admin user!
- global $CACHE, $CONFIG, $NOTES; $SQLs = array();
- if ((!IS_ADMIN()) || (empty($ext))) return false;
-
- // Load extension in update mode
- $EXT_LOAD_MODE = "update"; $EXT_UPDATE_DEPENDS = ""; $NOTES = "";
- include(PATH."inc/extensions/".$file);
- if (!empty($EXT_UPDATE_DEPENDS))
- {
- // Update another extension first!
- $test = EXTENSION_UPDATE(("ext-".$EXT_UPDATE_DEPENDS.".php"), $EXT_UPDATE_DEPENDS, GET_EXT_VERSION($EXT_UPDATE_DEPENDS), $dry_run);
- }
-
- // Check if version is updated
- if ((($EXT_VERSION != $EXT_VER) || ($dry_run)) && (is_array($EXT_VER_HISTORY)))
- {
- // Search for starting point
- $start = array_search($EXT_VER, $EXT_VER_HISTORY);
- $NOTES = "";
-
- // And load SQL queries in order of version history
- for ($idx = ($start + 1); $idx < sizeof($EXT_VER_HISTORY); $idx++)
- {
- // Remove old SQLs array to prevent possible bugs
- if (!$dry_run) { unset($SQLs); $SQLs = array(); }
-
- // Set version
- $EXT_VER = $EXT_VER_HISTORY[$idx];
-
- // Include again...
- include(PATH."inc/extensions/".$file);
-
- // Add notes
- if ($CONFIG['verbose_sql'] == "Y")
- {
- $EXT_VER = $EXT_VER_HISTORY[$idx];
- if (!empty($UPDATE_NOTES))
- {
- // Update notes found
- $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><BR>".$UPDATE_NOTES."<BR><BR>\n";
- $UPDATE_NOTES = "";
- }
- elseif ($EXT_VER == "0.0")
- {
- // Initial release
- $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><BR>".INITIAL_RELEASE."<BR><BR>\n";
- }
- else
- {
- $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><BR><I>".NO_UPDATE_NOTES."</I><BR><BR>\n";
- }
- }
-
- // Run SQLs
- if ((is_array($SQLs)) && (!$dry_run))
- {
- // Run SQL commands
- foreach ($SQLs as $sql)
- {
- $sql = trim($sql);
- if (!empty($sql))
- {
- // Run SQL command...
- $result = SQL_QUERY($sql, __FILE__, __LINE__, false);
- }
- }
- } elseif (GET_EXT_VERSION("sql_patches") == "") {
- // Remove SQLs if extension is not installed
- $SQLs = array();
- }
- }
-
- if (!$dry_run)
- {
- // In normal mode insert task and update extension's version...
- $ext_subj = "[UPDATE-".$ext."-".$EXT_VERSION.":] ".ADMIN_UPDATE_EXT_SUBJ;
-
- // Create task
- $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_task_system WHERE subject='%s' LIMIT 1",
- array($ext_subj), __FILE__, __LINE__);
- if (SQL_NUMROWS($result) == 0)
- {
- // Task not created so it's a brand-new extension which we need to register and create a task for!
- $result = SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_task_system (assigned_admin, userid, status, task_type, subject, text, task_created) VALUES ('%s', '0', 'NEW', 'EXTENSION_UPDATE', '%s', '%s', UNIX_TIMESTAMP())",
- array(GET_ADMIN_ID(SQL_ESCAPE($_COOKIE['admin_login'])), $ext_subj, addslashes($NOTES)), __FILE__, __LINE__);
- }
-
- // Free memory
- SQL_FREERESULT($result);
-
- // Update extension's version
- $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_extensions SET ext_version='%s' WHERE ext_name='%s' LIMIT 1",
- array($EXT_VERSION, $ext), __FILE__, __LINE__);
-
- // Update cache
- if (EXT_IS_ACTIVE("cache"))
- {
- if ($CACHE->cache_file("extensions", true) == true) $CACHE->cache_destroy();
- if ($CACHE->cache_file("config", true) == true) $CACHE->cache_destroy();
- if ($CACHE->cache_file("mod_reg", true) == true) $CACHE->cache_destroy();
- }
-
- // Remove array
- unset($SQLs);
- }
- else
- {
- // In "dry-run" mode return array with SQL commands
- return $SQLs;
- }
- }
-}
-//
-function EXTENSION_VERBOSE_TABLE($SQLs, $title=ADMIN_SQLS_EXECUTED_ON_REMOVAL, $dashed="", $switch=false, $WIDTH="480")
-{
- global $CONFIG;
-
- $S = false; $SW = 2; $i = 1;
- $OUT = "";
- if ((is_array($SQLs)) && (GET_EXT_VERSION("sql_patches")) && ($CONFIG['verbose_sql'] == "Y"))
- {
- $OUT = "<DIV align=\"center\">
-<TABLE border=\"0\" cellspacing=\"0\" cellpadding=\"0\" width=\"".$WIDTH."\" align=\"center\"".$dashed.">
-<TR>
- <TD colspan=\"2\" align=\"center\" class=\"admin_title bottom2\" height=\"24\">
- <STRONG>".$title.":</STRONG>
- </TD>
-</TR>\n";
- foreach ($SQLs as $idx=>$sql)
- {
- $sql = trim($sql);
- if (!empty($sql))
- {
- $S = true;
- $OUT .= "<TR>
- <TD class=\"switch_sw".(3 - $SW)." bottom2\" style=\"padding-left: 2px\" width=\"30\">".$i.".</TD>
- <TD class=\"switch_sw".(3 - $SW)." bottom2\" style=\"padding-left: 5px; padding-right: 5px\">
- ".$sql."
- </TD>
-</TR>\n";
- if ($switch) $SW = 3 - $SW;
- $i++;
- }
- }
- }
-
- if ((!$S) && (GET_EXT_VERSION("sql_patches")) && ($CONFIG['verbose_sql'] == "Y"))
- {
- // No addional SQL commands to run
- $OUT .= "<TR>
- <TD colspan=\"2\" align=\"center\" class=\"switch_sw2 bottom2\" height=\"24\">
- <FONT class=\"admin_note\">".ADMIN_NO_ADDIONAL_SQLS."</FONT>
- </TD>
-</TR>\n";
- }
-
- if (!empty($OUT)) {
- // Add missing close-table tag
- $OUT .= "</TABLE>
-</DIV>\n";
- }
- return $OUT;
-}
-//
-function GET_EXT_NAME($id)
-{
- $ret = "";
- global $EXTENSIONS, $CONFIG;
- if (!empty($EXTENSIONS['ext_id'][$id]))
- {
- // Load from cache
- $ret = $EXTENSIONS['ext_id'][$id];
-
- // Count cache hits
- $CONFIG['cache_hits']++;
- }
- else
- {
- // Load from database
- $result = SQL_QUERY_ESC("SELECT ext_name FROM "._MYSQL_PREFIX."_extensions WHERE id=%d LIMIT 1",
- array(bigintval($id)), __FILE__, __LINE__);
- list($ret) = SQL_FETCHROW($result);
- SQL_FREERESULT($result);
- }
- return $ret;
-}
-//
-function GET_EXT_ID($name)
-{
- $ret = "0";
- global $EXTENSIONS, $CONFIG;
- if ((isset($EXTENSIONS['ext_id'])) && (is_array($EXTENSIONS['ext_id'])))
- {
- // Load from cache
- $ret = array_search($name, $EXTENSIONS['ext_id']);
-
- // Count cache hits
- $CONFIG['cache_hits']++;
- }
- else
- {
- // Load from database
- $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
- array($name), __FILE__, __LINE__);
- list($ret) = SQL_FETCHROW($result);
- SQL_FREERESULT($result);
- }
- return $ret;
-}
-//
-?>
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