コード例 #1
0
 /**
  * Update lynxpress
  *
  * @access	private
  */
 private function update()
 {
     if (VPost::update()) {
         try {
             if (Helper::check_update() === false) {
                 throw new Exception('No update available!');
             }
             //make a backup of the database first, with an email sent to webmaster with the whole dump
             $bk = new Backup();
             $bk->save('backup/dump-' . date('Y-m-d-H:i:s') . '.sql');
             $html = new File();
             $html->_content = '<!--The Lynx is not here!-->';
             $html->save('backup/index.html');
             $mail = new Mail(WS_EMAIL, 'Databse dump made before update at ' . date('Y-m-d H:i:s'), $bk->_sql);
             $mail->send();
             //end backup
             //retrieve json manifest from the server
             $manifest = new Curl('http://update.lynxpress.org/manifest.json');
             $manifest = json_decode($manifest->_content, true);
             //retrieve zip with all files inside
             $curl_zip = new Curl('http://versions.lynxpress.org/Lynxpress-' . $manifest['version'] . '.zip');
             if ($curl_zip->_content == '<!--The Lynx is not here!-->') {
                 throw new Exception('Can\'t retrieve lynxpress archive');
             }
             $zip = new File();
             $zip->_content = $curl_zip->_content;
             $zip->save('tmp/update.zip');
             unset($zip);
             unset($curl_zip);
             File::unzip('tmp/update.zip', 'tmp/update/');
             File::delete('tmp/update.zip');
             //check if all files are readable
             foreach ($manifest['src'] as $src) {
                 File::read('tmp/update/Lynxpress-' . $manifest['version'] . '/' . $src);
             }
             //replace all files registered in the manifest
             foreach ($manifest['src'] as $key => $src) {
                 File::read('tmp/update/Lynxpress-' . $manifest['version'] . '/' . $src)->save($manifest['dest'][$key]);
                 File::delete('tmp/update/Lynxpress-' . $manifest['version'] . '/' . $src);
             }
             //execute special queries
             foreach ($manifest['queries'] as $query) {
                 $this->_db->query(str_replace('{{prefix}}', DB_PREFIX, $query));
             }
             //remove files
             foreach ($manifest['remove'] as $file) {
                 File::delete($file, false);
             }
             $config = File::read(PATH . 'config.php');
             $config->_content = str_replace('(\'WS_VERSION\', \'' . WS_VERSION . '\')', '(\'WS_VERSION\', \'' . $manifest['version'] . '\')', $config->_content);
             $config->save();
             unset($config);
             $config = File::read(PATH . 'config.sample.php');
             $config->_content = str_replace('(\'WS_VERSION\', \'' . WS_VERSION . '\')', '(\'WS_VERSION\', \'' . $manifest['version'] . '\')', $config->_content);
             $config->save();
             $result = true;
         } catch (Exception $e) {
             $result = $e->getMessage();
         }
         $this->_action_msg = ActionMessages::ws_update($result);
     }
 }