609 lines
No EOL
17 KiB
PHP
609 lines
No EOL
17 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based picture gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2010 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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class plugins
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{
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var $fs_plugins = array();
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var $db_plugins_by_id = array();
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var $server_plugins = array();
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/**
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* Initialize $fs_plugins and $db_plugins_by_id
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*/
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function plugins()
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{
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$this->get_fs_plugins();
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foreach (get_db_plugins() as $db_plugin)
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{
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$this->db_plugins_by_id[$db_plugin['id']] = $db_plugin;
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}
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}
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/**
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* Set tabsheet for plugins pages.
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* @param string selected page.
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*/
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function set_tabsheet($selected)
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{
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include_once(PHPWG_ROOT_PATH.'admin/include/tabsheet.class.php');
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$link = get_root_url().'admin.php?page=';
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$tabsheet = new tabsheet();
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$tabsheet->add('plugins_list', l10n('Plugin list'), $link.'plugins_list');
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$tabsheet->add('plugins_update', l10n('Check for updates'), $link.'plugins_update');
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$tabsheet->add('plugins_new', l10n('Other plugins'), $link.'plugins_new');
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$tabsheet->select($selected);
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$tabsheet->assign();
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}
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/**
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* Perform requested actions
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* @param string - action
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* @param string - plugin id
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* @param array - errors
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*/
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function perform_action($action, $plugin_id)
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{
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if (isset($this->db_plugins_by_id[$plugin_id]))
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{
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$crt_db_plugin = $this->db_plugins_by_id[$plugin_id];
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}
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$file_to_include = PHPWG_PLUGINS_PATH . $plugin_id . '/maintain.inc.php';
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$errors = array();
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switch ($action)
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{
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case 'install':
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if (!empty($crt_db_plugin))
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{
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array_push($errors, 'CANNOT INSTALL - ALREADY INSTALLED');
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break;
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}
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if (!isset($this->fs_plugins[$plugin_id]))
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{
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array_push($errors, 'CANNOT INSTALL - NO SUCH PLUGIN');
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break;
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}
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if (file_exists($file_to_include))
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{
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include_once($file_to_include);
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if (function_exists('plugin_install'))
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{
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plugin_install($plugin_id, $this->fs_plugins[$plugin_id]['version'], $errors);
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}
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}
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if (empty($errors))
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{
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$query = '
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INSERT INTO ' . PLUGINS_TABLE . ' (id,version) VALUES (\''
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. $plugin_id . '\',\'' . $this->fs_plugins[$plugin_id]['version'] . '\'
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)';
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pwg_query($query);
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}
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break;
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case 'activate':
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if (!isset($crt_db_plugin))
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{
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array_push($errors, 'CANNOT ACTIVATE - NOT INSTALLED');
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break;
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}
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if ($crt_db_plugin['state'] != 'inactive')
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{
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array_push($errors, 'invalid current state ' . $crt_db_plugin['state']);
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break;
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}
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if (file_exists($file_to_include))
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{
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include_once($file_to_include);
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if (function_exists('plugin_activate'))
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{
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plugin_activate($plugin_id, $crt_db_plugin['version'], $errors);
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}
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}
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if (empty($errors))
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{
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$query = '
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UPDATE ' . PLUGINS_TABLE . '
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SET state=\'active\', version=\''.$this->fs_plugins[$plugin_id]['version'].'\'
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WHERE id=\'' . $plugin_id . '\'';
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pwg_query($query);
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}
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break;
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case 'deactivate':
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if (!isset($crt_db_plugin))
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{
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die ('CANNOT DEACTIVATE - NOT INSTALLED');
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}
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if ($crt_db_plugin['state'] != 'active')
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{
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die('invalid current state ' . $crt_db_plugin['state']);
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}
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$query = '
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UPDATE ' . PLUGINS_TABLE . ' SET state=\'inactive\' WHERE id=\'' . $plugin_id . '\'';
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pwg_query($query);
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if (file_exists($file_to_include))
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{
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include_once($file_to_include);
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if (function_exists('plugin_deactivate'))
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{
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plugin_deactivate($plugin_id);
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}
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}
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break;
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case 'uninstall':
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if (!isset($crt_db_plugin))
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{
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die ('CANNOT UNINSTALL - NOT INSTALLED');
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}
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$query = '
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DELETE FROM ' . PLUGINS_TABLE . ' WHERE id=\'' . $plugin_id . '\'';
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pwg_query($query);
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if (file_exists($file_to_include))
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{
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include_once($file_to_include);
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if (function_exists('plugin_uninstall'))
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{
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plugin_uninstall($plugin_id);
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}
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}
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break;
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case 'delete':
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if (!empty($crt_db_plugin))
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{
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array_push($errors, 'CANNOT DELETE - PLUGIN IS INSTALLED');
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break;
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}
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if (!isset($this->fs_plugins[$plugin_id]))
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{
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array_push($errors, 'CANNOT DELETE - NO SUCH PLUGIN');
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break;
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}
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if (!$this->deltree(PHPWG_PLUGINS_PATH . $plugin_id))
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{
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$this->send_to_trash(PHPWG_PLUGINS_PATH . $plugin_id);
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}
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break;
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}
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return $errors;
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}
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/**
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* Get plugins defined in the plugin directory
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*/
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function get_fs_plugins()
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{
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$dir = opendir(PHPWG_PLUGINS_PATH);
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while ($file = readdir($dir))
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{
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if ($file!='.' and $file!='..')
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{
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$path = PHPWG_PLUGINS_PATH.$file;
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if (is_dir($path) and !is_link($path)
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and preg_match('/^[a-zA-Z0-9-_]+$/', $file )
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and file_exists($path.'/main.inc.php')
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)
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{
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$plugin = array(
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'name'=>$file,
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'version'=>'0',
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'uri'=>'',
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'description'=>'',
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'author'=>'',
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);
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$plg_data = implode( '', file($path.'/main.inc.php') );
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if ( preg_match("|Plugin Name: (.*)|", $plg_data, $val) )
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{
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$plugin['name'] = trim( $val[1] );
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}
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if (preg_match("|Version: (.*)|", $plg_data, $val))
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{
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$plugin['version'] = trim($val[1]);
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}
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if ( preg_match("|Plugin URI: (.*)|", $plg_data, $val) )
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{
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$plugin['uri'] = trim($val[1]);
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}
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if ($desc = load_language('description.txt', $path.'/', array('return' => true)))
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{
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$plugin['description'] = trim($desc);
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}
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elseif ( preg_match("|Description: (.*)|", $plg_data, $val) )
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{
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$plugin['description'] = trim($val[1]);
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}
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if ( preg_match("|Author: (.*)|", $plg_data, $val) )
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{
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$plugin['author'] = trim($val[1]);
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}
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if ( preg_match("|Author URI: (.*)|", $plg_data, $val) )
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{
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$plugin['author uri'] = trim($val[1]);
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}
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if (!empty($plugin['uri']) and strpos($plugin['uri'] , 'extension_view.php?eid='))
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{
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list( , $extension) = explode('extension_view.php?eid=', $plugin['uri']);
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if (is_numeric($extension)) $plugin['extension'] = $extension;
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}
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// IMPORTANT SECURITY !
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$plugin = array_map('htmlspecialchars', $plugin);
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$this->fs_plugins[$file] = $plugin;
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}
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}
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}
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closedir($dir);
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}
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/**
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* Sort fs_plugins
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*/
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function sort_fs_plugins($order='name')
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{
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switch ($order)
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{
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case 'name':
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uasort($this->fs_plugins, 'name_compare');
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break;
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case 'status':
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$this->sort_plugins_by_state();
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break;
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case 'author':
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uasort($this->fs_plugins, array($this, 'plugin_author_compare'));
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break;
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case 'id':
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uksort($this->fs_plugins, 'strcasecmp');
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break;
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}
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}
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/**
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* Retrieve PEM server datas to $server_plugins
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*/
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function get_server_plugins($new=false)
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{
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global $user;
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$get_data = array(
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'category_id' => 12,
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'format' => 'php',
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);
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// Retrieve PEM versions
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$version = PHPWG_VERSION;
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$versions_to_check = array();
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$url = PEM_URL . '/api/get_version_list.php';
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if (fetchRemote($url, $result, $get_data, get_hosting_technical_details()) and $pem_versions = @unserialize($result))
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{
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if (!preg_match('/^\d+\.\d+\.\d+/', $version))
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{
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$version = $pem_versions[0]['name'];
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}
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$branch = substr($version, 0, strrpos($version, '.'));
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foreach ($pem_versions as $pem_version)
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{
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if (strpos($pem_version['name'], $branch) === 0)
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{
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$versions_to_check[] = $pem_version['id'];
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}
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}
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}
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if (empty($versions_to_check))
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{
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return false;
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}
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// Plugins to check
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$plugins_to_check = array();
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foreach($this->fs_plugins as $fs_plugin)
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{
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if (isset($fs_plugin['extension']))
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{
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$plugins_to_check[] = $fs_plugin['extension'];
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}
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}
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// Retrieve PEM plugins infos
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$url = PEM_URL . '/api/get_revision_list.php';
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$get_data = array_merge($get_data, array(
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'last_revision_only' => 'true',
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'version' => implode(',', $versions_to_check),
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'lang' => substr($user['language'], 0, 2),
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'get_nb_downloads' => 'true',
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)
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);
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if (!empty($plugins_to_check))
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{
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if ($new)
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{
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$get_data['extension_exclude'] = implode(',', $plugins_to_check);
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}
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else
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{
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$get_data['extension_include'] = implode(',', $plugins_to_check);
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}
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}
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if (fetchRemote($url, $result, $get_data))
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{
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$pem_plugins = @unserialize($result);
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if (!is_array($pem_plugins))
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{
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return false;
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}
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foreach ($pem_plugins as $plugin)
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{
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$this->server_plugins[$plugin['extension_id']] = $plugin;
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}
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return true;
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}
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return false;
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}
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/**
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* Sort $server_plugins
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*/
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function sort_server_plugins($order='date')
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{
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switch ($order)
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{
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case 'date':
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krsort($this->server_plugins);
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break;
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case 'revision':
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usort($this->server_plugins, array($this, 'extension_revision_compare'));
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break;
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case 'name':
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uasort($this->server_plugins, array($this, 'extension_name_compare'));
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break;
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case 'author':
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uasort($this->server_plugins, array($this, 'extension_author_compare'));
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break;
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case 'downloads':
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usort($this->server_plugins, array($this, 'extension_downloads_compare'));
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break;
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}
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}
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/**
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* Extract plugin files from archive
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* @param string - install or upgrade
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* @param string - archive URL
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* @param string - plugin id or extension id
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*/
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function extract_plugin_files($action, $revision, $dest)
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{
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if ($archive = tempnam( PHPWG_PLUGINS_PATH, 'zip'))
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{
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$url = PEM_URL . '/download.php';
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$get_data = array(
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'rid' => $revision,
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'origin' => 'piwigo_'.$action,
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);
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if ($handle = @fopen($archive, 'wb') and fetchRemote($url, $handle, $get_data))
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{
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fclose($handle);
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include(PHPWG_ROOT_PATH.'admin/include/pclzip.lib.php');
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$zip = new PclZip($archive);
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if ($list = $zip->listContent())
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{
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foreach ($list as $file)
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{
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// we search main.inc.php in archive
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if (basename($file['filename']) == 'main.inc.php'
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and (!isset($main_filepath)
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or strlen($file['filename']) < strlen($main_filepath)))
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{
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$main_filepath = $file['filename'];
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}
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}
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if (isset($main_filepath))
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{
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$root = dirname($main_filepath); // main.inc.php path in archive
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if ($action == 'upgrade')
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{
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$extract_path = PHPWG_PLUGINS_PATH . $dest;
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}
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else
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{
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$extract_path = PHPWG_PLUGINS_PATH
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. ($root == '.' ? 'extension_' . $dest : basename($root));
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}
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if($result = $zip->extract(PCLZIP_OPT_PATH, $extract_path,
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PCLZIP_OPT_REMOVE_PATH, $root,
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PCLZIP_OPT_REPLACE_NEWER))
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{
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foreach ($result as $file)
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{
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if ($file['stored_filename'] == $main_filepath)
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{
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$status = $file['status'];
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break;
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}
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}
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if (file_exists($extract_path.'/obsolete.list')
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and $old_files = file($extract_path.'/obsolete.list', FILE_IGNORE_NEW_LINES)
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and !empty($old_files))
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{
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array_push($old_files, 'obsolete.list');
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foreach($old_files as $old_file)
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{
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$path = $extract_path.'/'.$old_file;
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if (is_file($path))
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{
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@unlink($path);
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}
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elseif (is_dir($path))
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{
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if (!$this->deltree($path))
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{
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$this->send_to_trash($path);
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}
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}
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}
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}
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}
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else $status = 'extract_error';
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}
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else $status = 'archive_error';
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}
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else $status = 'archive_error';
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}
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else $status = 'dl_archive_error';
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}
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else $status = 'temp_path_error';
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@unlink($archive);
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return $status;
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}
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/**
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* delete $path directory
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* @param string - path
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*/
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function deltree($path)
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{
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if (is_dir($path))
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{
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$fh = opendir($path);
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while ($file = readdir($fh))
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{
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if ($file != '.' and $file != '..')
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{
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$pathfile = $path . '/' . $file;
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if (is_dir($pathfile))
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{
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$this->deltree($pathfile);
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}
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else
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{
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@unlink($pathfile);
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}
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}
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}
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closedir($fh);
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return @rmdir($path);
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}
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}
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/**
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* send $path to trash directory
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* @param string - path
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*/
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function send_to_trash($path)
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{
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$trash_path = PHPWG_PLUGINS_PATH . 'trash';
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if (!is_dir($trash_path))
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{
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@mkdir($trash_path);
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$file = @fopen($trash_path . '/.htaccess', 'w');
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@fwrite($file, 'deny from all');
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@fclose($file);
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}
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while ($r = $trash_path . '/' . md5(uniqid(rand(), true)))
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{
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if (!is_dir($r))
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{
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@rename($path, $r);
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break;
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}
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}
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}
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/**
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* Sort functions
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*/
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function plugin_version_compare($a, $b)
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{
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if (strtolower($a) == 'auto') return false;
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$pattern = array('/([a-z])/ei', '/\.+/', '/\.\Z|\A\./');
|
|
$replacement = array( "'.'.intval('\\1', 36).'.'", '.', '');
|
|
|
|
$array = preg_replace($pattern, $replacement, array($a, $b));
|
|
|
|
return version_compare($array[0], $array[1], '>=');
|
|
}
|
|
|
|
function extension_revision_compare($a, $b)
|
|
{
|
|
if ($a['revision_date'] < $b['revision_date']) return 1;
|
|
else return -1;
|
|
}
|
|
|
|
function extension_name_compare($a, $b)
|
|
{
|
|
return strcmp(strtolower($a['extension_name']), strtolower($b['extension_name']));
|
|
}
|
|
|
|
function extension_author_compare($a, $b)
|
|
{
|
|
$r = strcasecmp($a['author_name'], $b['author_name']);
|
|
if ($r == 0) return $this->extension_name_compare($a, $b);
|
|
else return $r;
|
|
}
|
|
|
|
function plugin_author_compare($a, $b)
|
|
{
|
|
$r = strcasecmp($a['author'], $b['author']);
|
|
if ($r == 0) return name_compare($a, $b);
|
|
else return $r;
|
|
}
|
|
|
|
function extension_downloads_compare($a, $b)
|
|
{
|
|
if ($a['extension_nb_downloads'] < $b['extension_nb_downloads']) return 1;
|
|
else return -1;
|
|
}
|
|
|
|
function sort_plugins_by_state()
|
|
{
|
|
uasort($this->fs_plugins, 'name_compare');
|
|
|
|
$active_plugins = array();
|
|
$inactive_plugins = array();
|
|
$not_installed = array();
|
|
|
|
foreach($this->fs_plugins as $plugin_id => $plugin)
|
|
{
|
|
if (isset($this->db_plugins_by_id[$plugin_id]))
|
|
{
|
|
$this->db_plugins_by_id[$plugin_id]['state'] == 'active' ?
|
|
$active_plugins[$plugin_id] = $plugin : $inactive_plugins[$plugin_id] = $plugin;
|
|
}
|
|
else
|
|
{
|
|
$not_installed[$plugin_id] = $plugin;
|
|
}
|
|
}
|
|
$this->fs_plugins = $active_plugins + $inactive_plugins + $not_installed;
|
|
}
|
|
}
|
|
?>
|