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piwigo_ynh/sources/admin/include/updates.class.php
2016-09-05 13:40:09 +02:00

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PHP

<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2016 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. |
// +-----------------------------------------------------------------------+
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');
class updates
{
var $types = array();
var $plugins;
var $themes;
var $languages;
var $missing = array();
var $default_plugins = array();
var $default_themes = array();
var $default_languages = array();
var $merged_extensions = array();
var $merged_extension_url = 'http://piwigo.org/download/merged_extensions.txt';
function __construct($page='updates')
{
$this->types = array('plugins', 'themes', 'languages');
if (in_array($page, $this->types))
{
$this->types = array($page);
}
$this->default_themes = array('clear', 'dark', 'Sylvia', 'elegant', 'smartpocket');
$this->default_plugins = array('AdminTools', 'TakeATour', 'language_switch', 'LocalFilesEditor');
foreach ($this->types as $type)
{
include_once(PHPWG_ROOT_PATH.'admin/include/'.$type.'.class.php');
$this->$type = new $type();
}
}
static function check_piwigo_upgrade()
{
$_SESSION['need_update'] = null;
if (preg_match('/(\d+\.\d+)\.(\d+)/', PHPWG_VERSION, $matches)
and @fetchRemote(PHPWG_URL.'/download/all_versions.php?rand='.md5(uniqid(rand(), true)), $result))
{
$all_versions = @explode("\n", $result);
$new_version = trim($all_versions[0]);
$_SESSION['need_update'] = version_compare(PHPWG_VERSION, $new_version, '<');
}
}
function get_server_extensions($version=PHPWG_VERSION)
{
global $user;
$get_data = array(
'format' => 'php',
);
// Retrieve PEM versions
$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;
}
// Extensions to check
$ext_to_check = array();
foreach ($this->types as $type)
{
$fs = 'fs_'.$type;
foreach ($this->$type->$fs as $ext)
{
if (isset($ext['extension']))
{
$ext_to_check[$ext['extension']] = $type;
}
}
}
// Retrieve PEM plugins infos
$url = PEM_URL . '/api/get_revision_list.php';
$get_data = array_merge($get_data, array(
'last_revision_only' => 'true',
'version' => implode(',', $versions_to_check),
'lang' => substr($user['language'], 0, 2),
'get_nb_downloads' => 'true',
)
);
$post_data = array();
if (!empty($ext_to_check))
{
$post_data['extension_include'] = implode(',', array_keys($ext_to_check));
}
if (fetchRemote($url, $result, $get_data, $post_data))
{
$pem_exts = @unserialize($result);
if (!is_array($pem_exts))
{
return false;
}
$servers = array();
foreach ($pem_exts as $ext)
{
if (isset($ext_to_check[$ext['extension_id']]))
{
$type = $ext_to_check[$ext['extension_id']];
if (!isset($servers[$type]))
{
$servers[$type] = array();
}
$servers[$type][ $ext['extension_id'] ] = $ext;
unset($ext_to_check[$ext['extension_id']]);
}
}
foreach ($servers as $server_type => $extension_list)
{
$server_string = 'server_'.$server_type;
$this->$server_type->$server_string = $extension_list;
}
$this->check_missing_extensions($ext_to_check);
return true;
}
return false;
}
// Check all extensions upgrades
function check_extensions()
{
global $conf;
if (!$this->get_server_extensions())
{
return false;
}
$_SESSION['extensions_need_update'] = array();
foreach ($this->types as $type)
{
$fs = 'fs_'.$type;
$server = 'server_'.$type;
$server_ext = $this->$type->$server;
$fs_ext = $this->$type->$fs;
$ignore_list = array();
$need_upgrade = array();
foreach($fs_ext as $ext_id => $fs_ext)
{
if (isset($fs_ext['extension']) and isset($server_ext[$fs_ext['extension']]))
{
$ext_info = $server_ext[$fs_ext['extension']];
if (!safe_version_compare($fs_ext['version'], $ext_info['revision_name'], '>='))
{
if (in_array($ext_id, $conf['updates_ignored'][$type]))
{
$ignore_list[] = $ext_id;
}
else
{
$_SESSION['extensions_need_update'][$type][$ext_id] = $ext_info['revision_name'];
}
}
}
}
$conf['updates_ignored'][$type] = $ignore_list;
}
conf_update_param('updates_ignored', pwg_db_real_escape_string(serialize($conf['updates_ignored'])));
}
// Check if extension have been upgraded since last check
function check_updated_extensions()
{
foreach ($this->types as $type)
{
if (!empty($_SESSION['extensions_need_update'][$type]))
{
$fs = 'fs_'.$type;
foreach($this->$type->$fs as $ext_id => $fs_ext)
{
if (isset($_SESSION['extensions_need_update'][$type][$ext_id])
and safe_version_compare($fs_ext['version'], $_SESSION['extensions_need_update'][$type][$ext_id], '>='))
{
// Extension have been upgraded
$this->check_extensions();
break;
}
}
}
}
}
function check_missing_extensions($missing)
{
foreach ($missing as $id => $type)
{
$fs = 'fs_'.$type;
$default = 'default_'.$type;
foreach ($this->$type->$fs as $ext_id => $ext)
{
if (isset($ext['extension']) and $id == $ext['extension']
and !in_array($ext_id, $this->$default)
and !in_array($ext['extension'], $this->merged_extensions))
{
$this->missing[$type][] = $ext;
break;
}
}
}
}
function get_merged_extensions($version)
{
if (fetchRemote($this->merged_extension_url, $result))
{
$rows = explode("\n", $result);
foreach ($rows as $row)
{
if (preg_match('/^(\d+\.\d+): *(.*)$/', $row, $match))
{
if (version_compare($version, $match[1], '>='))
{
$extensions = explode(',', trim($match[2]));
$this->merged_extensions = array_merge($this->merged_extensions, $extensions);
}
}
}
}
}
static function process_obsolete_list($file)
{
if (file_exists(PHPWG_ROOT_PATH.$file)
and $old_files = file(PHPWG_ROOT_PATH.$file, FILE_IGNORE_NEW_LINES)
and !empty($old_files))
{
$old_files[] = $file;
foreach($old_files as $old_file)
{
$path = PHPWG_ROOT_PATH.$old_file;
if (is_file($path))
{
@unlink($path);
}
elseif (is_dir($path))
{
deltree($path, PHPWG_ROOT_PATH.'_trash');
}
}
}
}
static function dump_database($include_history=false)
{
global $page, $conf, $cfgBase;
if (version_compare(PHPWG_VERSION, '2.1', '<'))
{
$conf['db_base'] = $cfgBase;
}
include(PHPWG_ROOT_PATH.'admin/include/mysqldump.php');
$path = PHPWG_ROOT_PATH.$conf['data_location'].'update';
if (@mkgetdir($path)
and ($backupFile = tempnam($path, 'sql'))
and ($dumper = new MySQLDump($conf['db_base'],$backupFile,false,false)))
{
foreach (get_defined_constants() as $constant => $value)
{
if (preg_match('/_TABLE$/', $constant))
{
$dumper->getTableStructure($value);
if ($constant == 'HISTORY_TABLE' and !$include_history)
{
continue;
}
$dumper->getTableData($value);
}
}
}
if (@filesize($backupFile))
{
$http_headers = array(
'Content-Length: '.@filesize($backupFile),
'Content-Type: text/x-sql',
'Content-Disposition: attachment; filename="database.sql";',
'Content-Transfer-Encoding: binary',
);
foreach ($http_headers as $header) {
header($header);
}
@readfile($backupFile);
deltree(PHPWG_ROOT_PATH.$conf['data_location'].'update');
exit();
}
else
{
$page['errors'][] = l10n('Unable to dump database.');
}
}
static function upgrade_to($upgrade_to, &$step, $check_current_version=true)
{
global $page, $conf, $template;
if ($check_current_version and !version_compare($upgrade_to, PHPWG_VERSION, '>'))
{
redirect(get_root_url().'admin.php?page=plugin-'.basename(dirname(__FILE__)));
}
if ($step == 2)
{
preg_match('/(\d+\.\d+)\.(\d+)/', PHPWG_VERSION, $matches);
$code = $matches[1].'.x_to_'.$upgrade_to;
$dl_code = str_replace(array('.', '_'), '', $code);
$remove_path = $code;
$obsolete_list = 'obsolete.list';
}
else
{
$code = $upgrade_to;
$dl_code = $code;
$remove_path = version_compare($code, '2.0.8', '>=') ? 'piwigo' : 'piwigo-'.$code;
$obsolete_list = PHPWG_ROOT_PATH.'install/obsolete.list';
}
if (empty($page['errors']))
{
$path = PHPWG_ROOT_PATH.$conf['data_location'].'update';
$filename = $path.'/'.$code.'.zip';
@mkgetdir($path);
$chunk_num = 0;
$end = false;
$zip = @fopen($filename, 'w');
while (!$end)
{
$chunk_num++;
if (@fetchRemote(PHPWG_URL.'/download/dlcounter.php?code='.$dl_code.'&chunk_num='.$chunk_num, $result)
and $input = @unserialize($result))
{
if (0 == $input['remaining'])
{
$end = true;
}
@fwrite($zip, base64_decode($input['data']));
}
else
{
$end = true;
}
}
@fclose($zip);
if (@filesize($filename))
{
$zip = new PclZip($filename);
if ($result = $zip->extract(PCLZIP_OPT_PATH, PHPWG_ROOT_PATH,
PCLZIP_OPT_REMOVE_PATH, $remove_path,
PCLZIP_OPT_SET_CHMOD, 0755,
PCLZIP_OPT_REPLACE_NEWER))
{
//Check if all files were extracted
$error = '';
foreach($result as $extract)
{
if (!in_array($extract['status'], array('ok', 'filtered', 'already_a_directory')))
{
// Try to change chmod and extract
if (@chmod(PHPWG_ROOT_PATH.$extract['filename'], 0777)
and ($res = $zip->extract(PCLZIP_OPT_BY_NAME, $remove_path.'/'.$extract['filename'],
PCLZIP_OPT_PATH, PHPWG_ROOT_PATH,
PCLZIP_OPT_REMOVE_PATH, $remove_path,
PCLZIP_OPT_SET_CHMOD, 0755,
PCLZIP_OPT_REPLACE_NEWER))
and isset($res[0]['status'])
and $res[0]['status'] == 'ok')
{
continue;
}
else
{
$error .= $extract['filename'].': '.$extract['status']."\n";
}
}
}
if (empty($error))
{
self::process_obsolete_list($obsolete_list);
deltree(PHPWG_ROOT_PATH.$conf['data_location'].'update');
invalidate_user_cache(true);
$template->delete_compiled_templates();
unset($_SESSION['need_update']);
if ($step == 2)
{
$page['infos'][] = l10n('Update Complete');
$page['infos'][] = $upgrade_to;
$step = -1;
}
else
{
redirect(PHPWG_ROOT_PATH.'upgrade.php?now=');
}
}
else
{
file_put_contents(PHPWG_ROOT_PATH.$conf['data_location'].'update/log_error.txt', $error);
$page['errors'][] = l10n(
'An error has occured during extract. Please check files permissions of your piwigo installation.<br><a href="%s">Click here to show log error</a>.',
get_root_url().$conf['data_location'].'update/log_error.txt'
);
}
}
else
{
deltree(PHPWG_ROOT_PATH.$conf['data_location'].'update');
$page['errors'][] = l10n('An error has occured during upgrade.');
}
}
else
{
$page['errors'][] = l10n('Piwigo cannot retrieve upgrade file from server');
}
}
}
}
?>