479 lines
No EOL
14 KiB
PHP
479 lines
No EOL
14 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based photo gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2013 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 languages
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{
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var $fs_languages = array();
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var $db_languages = array();
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var $server_languages = array();
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/**
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* Initialize $fs_languages and $db_languages
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*/
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function languages($target_charset = null)
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{
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$this->get_fs_languages($target_charset);
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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 - language id
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* @param array - errors
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*/
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function perform_action($action, $language_id)
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{
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global $conf;
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if (isset($this->db_languages[$language_id]))
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{
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$crt_db_language = $this->db_languages[$language_id];
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}
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$errors = array();
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switch ($action)
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{
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case 'activate':
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if (isset($crt_db_language))
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{
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array_push($errors, 'CANNOT ACTIVATE - LANGUAGE IS ALREADY ACTIVATED');
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break;
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}
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$query = '
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INSERT INTO '.LANGUAGES_TABLE.'
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(id, version, name)
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VALUES(\''.$language_id.'\',
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\''.$this->fs_languages[$language_id]['version'].'\',
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\''.$this->fs_languages[$language_id]['name'].'\')
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;';
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pwg_query($query);
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break;
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case 'deactivate':
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if (!isset($crt_db_language))
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{
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array_push($errors, 'CANNOT DEACTIVATE - LANGUAGE IS ALREADY DEACTIVATED');
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break;
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}
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if ($language_id == get_default_language())
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{
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array_push($errors, 'CANNOT DEACTIVATE - LANGUAGE IS DEFAULT LANGUAGE');
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break;
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}
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$query = '
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DELETE
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FROM '.LANGUAGES_TABLE.'
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WHERE id= \''.$language_id.'\'
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;';
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pwg_query($query);
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break;
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case 'delete':
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if (!empty($crt_db_language))
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{
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array_push($errors, 'CANNOT DELETE - LANGUAGE IS ACTIVATED');
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break;
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}
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if (!isset($this->fs_languages[$language_id]))
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{
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array_push($errors, 'CANNOT DELETE - LANGUAGE DOES NOT EXIST');
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break;
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}
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// Set default language to user who are using this language
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$query = '
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UPDATE '.USER_INFOS_TABLE.'
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SET language = \''.get_default_language().'\'
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WHERE language = \''.$language_id.'\'
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;';
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pwg_query($query);
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if (!$this->deltree(PHPWG_ROOT_PATH.'language/'.$language_id))
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{
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$this->send_to_trash(PHPWG_ROOT_PATH.'language/'.$language_id);
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}
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break;
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case 'set_default':
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$query = '
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UPDATE '.USER_INFOS_TABLE.'
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SET language = \''.$language_id.'\'
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WHERE user_id IN ('.$conf['default_user_id'].', '.$conf['guest_id'].')
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;';
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pwg_query($query);
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break;
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}
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return $errors;
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}
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/**
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* Get languages defined in the language directory
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*/
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function get_fs_languages($target_charset = null)
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{
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if ( empty($target_charset) )
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{
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$target_charset = get_pwg_charset();
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}
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$target_charset = strtolower($target_charset);
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$dir = opendir(PHPWG_ROOT_PATH.'language');
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while ($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_ROOT_PATH.'language/'.$file;
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if (is_dir($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.'/common.lang.php')
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)
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{
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$language = array(
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'name'=>$file,
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'code'=>$file,
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'version'=>'0',
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'uri'=>'',
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'author'=>'',
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);
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$plg_data = implode( '', file($path.'/common.lang.php') );
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if ( preg_match("|Language Name: (.*)|", $plg_data, $val) )
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{
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$language['name'] = trim( $val[1] );
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$language['name'] = convert_charset($language['name'], 'utf-8', $target_charset);
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}
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if (preg_match("|Version: (.*)|", $plg_data, $val))
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{
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$language['version'] = trim($val[1]);
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}
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if ( preg_match("|Language URI: (.*)|", $plg_data, $val) )
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{
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$language['uri'] = trim($val[1]);
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}
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if ( preg_match("|Author: (.*)|", $plg_data, $val) )
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{
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$language['author'] = trim($val[1]);
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}
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if ( preg_match("|Author URI: (.*)|", $plg_data, $val) )
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{
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$language['author uri'] = trim($val[1]);
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}
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if (!empty($language['uri']) and strpos($language['uri'] , 'extension_view.php?eid='))
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{
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list( , $extension) = explode('extension_view.php?eid=', $language['uri']);
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if (is_numeric($extension)) $language['extension'] = $extension;
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}
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// IMPORTANT SECURITY !
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$language = array_map('htmlspecialchars', $language);
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$this->fs_languages[$file] = $language;
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}
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}
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}
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closedir($dir);
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@uasort($this->fs_languages, 'name_compare');
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}
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function get_db_languages()
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{
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$query = '
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SELECT id, name
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FROM '.LANGUAGES_TABLE.'
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ORDER BY name ASC
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;';
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$result = pwg_query($query);
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while ($row = pwg_db_fetch_assoc($result))
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{
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$this->db_languages[ $row['id'] ] = $row['name'];
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}
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}
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/**
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* Retrieve PEM server datas to $server_languages
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*/
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function get_server_languages($new=false)
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{
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global $user, $conf;
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$get_data = array(
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'category_id' => $conf['pem_languages_category'],
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'format' => 'php',
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);
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// Retrieve PEM versions
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$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) 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 = get_branch_from_version($version);
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foreach ($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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// Languages to check
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$languages_to_check = array();
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foreach($this->fs_languages as $fs_language)
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{
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if (isset($fs_language['extension']))
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{
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$languages_to_check[] = $fs_language['extension'];
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}
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}
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// Retrieve PEM languages infos
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$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' => $user['language'],
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'get_nb_downloads' => 'true',
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)
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);
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if (!empty($languages_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(',', $languages_to_check);
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}
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else
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{
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$get_data['extension_include'] = implode(',', $languages_to_check);
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}
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}
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if (fetchRemote($url, $result, $get_data))
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{
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$pem_languages = @unserialize($result);
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if (!is_array($pem_languages))
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{
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return false;
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}
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foreach ($pem_languages as $language)
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{
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if (preg_match('/^.*? \[[A-Z]{2}\]$/', $language['extension_name']))
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{
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$this->server_languages[$language['extension_id']] = $language;
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}
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}
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@uasort($this->server_languages, array($this, 'extension_name_compare'));
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return true;
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}
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return false;
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}
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/**
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* Extract language files from archive
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*
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* @param string - install or upgrade
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* @param string - remote revision identifier (numeric)
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* @param string - language id or extension id
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*/
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function extract_language_files($action, $revision, $dest='')
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{
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if ($archive = tempnam( PHPWG_ROOT_PATH.'language', '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_once(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 $file)
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{
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// we search common.lang.php in archive
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if (basename($file['filename']) == 'common.lang.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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$root = basename(dirname($main_filepath)); // common.lang.php path in archive
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if (preg_match('/^[a-z]{2}_[A-Z]{2}$/', $root))
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{
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if ($action == 'install')
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{
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$dest = $root;
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}
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$extract_path = PHPWG_ROOT_PATH.'language/'.$dest;
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if (
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$result = $zip->extract(
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PCLZIP_OPT_PATH, $extract_path,
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PCLZIP_OPT_REMOVE_PATH, $root,
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PCLZIP_OPT_REPLACE_NEWER
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)
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)
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{
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foreach ($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 = $file['status'];
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break;
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}
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}
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if ($status == 'ok')
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{
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$this->get_fs_languages();
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if ($action == 'install')
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{
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$this->perform_action('activate', $dest);
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}
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}
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if (file_exists($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 = '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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$trash_path = PHPWG_ROOT_PATH . 'language/trash';
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if (!is_dir($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, $r);
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break;
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}
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}
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}
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/**
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* Sort functions
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*/
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function language_version_compare($a, $b)
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{
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$pattern = array('/([a-z])/ei', '/\.+/', '/\.\Z|\A\./');
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$replacement = array( "'.'.intval('\\1', 36).'.'", '.', '');
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$array = preg_replace($pattern, $replacement, array($a, $b));
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return version_compare($array[0], $array[1], '>=');
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}
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function extension_name_compare($a, $b)
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{
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return strcmp(strtolower($a['extension_name']), strtolower($b['extension_name']));
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}
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}
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?>
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