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piwigo_ynh/sources/admin/include/languages.class.php
monsieur-a f09a35287d mis a jour piwigo 2.7.4
2015-07-05 19:03:18 +02:00

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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2014 Piwigo Team http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | 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 |
// | |
// | 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
class languages
{
var $fs_languages = array();
var $db_languages = array();
var $server_languages = array();
/**
* Initialize $fs_languages and $db_languages
*/
function languages($target_charset = null)
{
$this->get_fs_languages($target_charset);
}
/**
* Perform requested actions
* @param string - action
* @param string - language id
* @param array - errors
*/
function perform_action($action, $language_id)
{
global $conf;
if (isset($this->db_languages[$language_id]))
{
$crt_db_language = $this->db_languages[$language_id];
}
$errors = array();
switch ($action)
{
case 'activate':
if (isset($crt_db_language))
{
$errors[] = 'CANNOT ACTIVATE - LANGUAGE IS ALREADY ACTIVATED';
break;
}
$query = '
INSERT INTO '.LANGUAGES_TABLE.'
(id, version, name)
VALUES(\''.$language_id.'\',
\''.$this->fs_languages[$language_id]['version'].'\',
\''.$this->fs_languages[$language_id]['name'].'\')
;';
pwg_query($query);
break;
case 'deactivate':
if (!isset($crt_db_language))
{
$errors[] = 'CANNOT DEACTIVATE - LANGUAGE IS ALREADY DEACTIVATED';
break;
}
if ($language_id == get_default_language())
{
$errors[] = 'CANNOT DEACTIVATE - LANGUAGE IS DEFAULT LANGUAGE';
break;
}
$query = '
DELETE
FROM '.LANGUAGES_TABLE.'
WHERE id= \''.$language_id.'\'
;';
pwg_query($query);
break;
case 'delete':
if (!empty($crt_db_language))
{
$errors[] = 'CANNOT DELETE - LANGUAGE IS ACTIVATED';
break;
}
if (!isset($this->fs_languages[$language_id]))
{
$errors[] = 'CANNOT DELETE - LANGUAGE DOES NOT EXIST';
break;
}
// Set default language to user who are using this language
$query = '
UPDATE '.USER_INFOS_TABLE.'
SET language = \''.get_default_language().'\'
WHERE language = \''.$language_id.'\'
;';
pwg_query($query);
deltree(PHPWG_ROOT_PATH.'language/'.$language_id, PHPWG_ROOT_PATH.'language/trash');
break;
case 'set_default':
$query = '
UPDATE '.USER_INFOS_TABLE.'
SET language = \''.$language_id.'\'
WHERE user_id IN ('.$conf['default_user_id'].', '.$conf['guest_id'].')
;';
pwg_query($query);
break;
}
return $errors;
}
/**
* Get languages defined in the language directory
*/
function get_fs_languages($target_charset = null)
{
if ( empty($target_charset) )
{
$target_charset = get_pwg_charset();
}
$target_charset = strtolower($target_charset);
$dir = opendir(PHPWG_ROOT_PATH.'language');
while ($file = readdir($dir))
{
if ($file!='.' and $file!='..')
{
$path = PHPWG_ROOT_PATH.'language/'.$file;
if (is_dir($path) and !is_link($path)
and preg_match('/^[a-zA-Z0-9-_]+$/', $file )
and file_exists($path.'/common.lang.php')
)
{
$language = array(
'name'=>$file,
'code'=>$file,
'version'=>'0',
'uri'=>'',
'author'=>'',
);
$plg_data = implode( '', file($path.'/common.lang.php') );
if (preg_match("|Language Name:\\s*(.+)|", $plg_data, $val))
{
$language['name'] = trim( $val[1] );
$language['name'] = convert_charset($language['name'], 'utf-8', $target_charset);
}
if (preg_match("|Version:\\s*([\\w.-]+)|", $plg_data, $val))
{
$language['version'] = trim($val[1]);
}
if (preg_match("|Language URI:\\s*(https?:\\/\\/.+)|", $plg_data, $val))
{
$language['uri'] = trim($val[1]);
}
if (preg_match("|Author:\\s*(.+)|", $plg_data, $val))
{
$language['author'] = trim($val[1]);
}
if (preg_match("|Author URI:\\s*(https?:\\/\\/.+)|", $plg_data, $val))
{
$language['author uri'] = trim($val[1]);
}
if (!empty($language['uri']) and strpos($language['uri'] , 'extension_view.php?eid='))
{
list( , $extension) = explode('extension_view.php?eid=', $language['uri']);
if (is_numeric($extension)) $language['extension'] = $extension;
}
// IMPORTANT SECURITY !
$language = array_map('htmlspecialchars', $language);
$this->fs_languages[$file] = $language;
}
}
}
closedir($dir);
@uasort($this->fs_languages, 'name_compare');
}
function get_db_languages()
{
$query = '
SELECT id, name
FROM '.LANGUAGES_TABLE.'
ORDER BY name ASC
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$this->db_languages[ $row['id'] ] = $row['name'];
}
}
/**
* Retrieve PEM server datas to $server_languages
*/
function get_server_languages($new=false)
{
global $user, $conf;
$get_data = array(
'category_id' => $conf['pem_languages_category'],
'format' => 'php',
);
// Retrieve PEM versions
$version = PHPWG_VERSION;
$versions_to_check = array();
$url = PEM_URL . '/api/get_version_list.php';
if (fetchRemote($url, $result, $get_data) and $pem_versions = @unserialize($result))
{
if (!preg_match('/^\d+\.\d+\.\d+$/', $version))
{
$version = $pem_versions[0]['name'];
}
$branch = get_branch_from_version($version);
foreach ($pem_versions as $pem_version)
{
if (strpos($pem_version['name'], $branch) === 0)
{
$versions_to_check[] = $pem_version['id'];
}
}
}
if (empty($versions_to_check))
{
return false;
}
// Languages to check
$languages_to_check = array();
foreach($this->fs_languages as $fs_language)
{
if (isset($fs_language['extension']))
{
$languages_to_check[] = $fs_language['extension'];
}
}
// Retrieve PEM languages infos
$url = PEM_URL . '/api/get_revision_list.php';
$get_data = array_merge($get_data, array(
'last_revision_only' => 'true',
'version' => implode(',', $versions_to_check),
'lang' => $user['language'],
'get_nb_downloads' => 'true',
)
);
if (!empty($languages_to_check))
{
if ($new)
{
$get_data['extension_exclude'] = implode(',', $languages_to_check);
}
else
{
$get_data['extension_include'] = implode(',', $languages_to_check);
}
}
if (fetchRemote($url, $result, $get_data))
{
$pem_languages = @unserialize($result);
if (!is_array($pem_languages))
{
return false;
}
foreach ($pem_languages as $language)
{
if (preg_match('/^.*? \[[A-Z]{2}\]$/', $language['extension_name']))
{
$this->server_languages[$language['extension_id']] = $language;
}
}
@uasort($this->server_languages, array($this, 'extension_name_compare'));
return true;
}
return false;
}
/**
* Extract language files from archive
*
* @param string - install or upgrade
* @param string - remote revision identifier (numeric)
* @param string - language id or extension id
*/
function extract_language_files($action, $revision, $dest='')
{
if ($archive = tempnam( PHPWG_ROOT_PATH.'language', 'zip'))
{
$url = PEM_URL . '/download.php';
$get_data = array(
'rid' => $revision,
'origin' => 'piwigo_'.$action,
);
if ($handle = @fopen($archive, 'wb') and fetchRemote($url, $handle, $get_data))
{
fclose($handle);
include_once(PHPWG_ROOT_PATH.'admin/include/pclzip.lib.php');
$zip = new PclZip($archive);
if ($list = $zip->listContent())
{
foreach ($list as $file)
{
// we search common.lang.php in archive
if (basename($file['filename']) == 'common.lang.php'
and (!isset($main_filepath)
or strlen($file['filename']) < strlen($main_filepath)))
{
$main_filepath = $file['filename'];
}
}
if (isset($main_filepath))
{
$root = basename(dirname($main_filepath)); // common.lang.php path in archive
if (preg_match('/^[a-z]{2}_[A-Z]{2}$/', $root))
{
if ($action == 'install')
{
$dest = $root;
}
$extract_path = PHPWG_ROOT_PATH.'language/'.$dest;
if (
$result = $zip->extract(
PCLZIP_OPT_PATH, $extract_path,
PCLZIP_OPT_REMOVE_PATH, $root,
PCLZIP_OPT_REPLACE_NEWER
)
)
{
foreach ($result as $file)
{
if ($file['stored_filename'] == $main_filepath)
{
$status = $file['status'];
break;
}
}
if ($status == 'ok')
{
$this->get_fs_languages();
if ($action == 'install')
{
$this->perform_action('activate', $dest);
}
}
if (file_exists($extract_path.'/obsolete.list')
and $old_files = file($extract_path.'/obsolete.list', FILE_IGNORE_NEW_LINES)
and !empty($old_files))
{
$old_files[] = 'obsolete.list';
foreach($old_files as $old_file)
{
$path = $extract_path.'/'.$old_file;
if (is_file($path))
{
@unlink($path);
}
elseif (is_dir($path))
{
deltree($path, PHPWG_ROOT_PATH.'language/trash');
}
}
}
}
else $status = 'extract_error';
}
else $status = 'archive_error';
}
else $status = 'archive_error';
}
else $status = 'archive_error';
}
else $status = 'dl_archive_error';
}
else $status = 'temp_path_error';
@unlink($archive);
return $status;
}
/**
* Sort functions
*/
function extension_name_compare($a, $b)
{
return strcmp(strtolower($a['extension_name']), strtolower($b['extension_name']));
}
}
?>
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