/**
* 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);
}
}
