protected function writeData()
{
$configFilePath = current($this->locator->getPathtoConfigFiles());
// Create a php file ...
$content = "<?php\n";
$content .= '$CONFIG = ';
$content .= var_export($this->cache, true);
$content .= ";\n";
touch($configFilePath);
$filePointer = fopen($configFilePath, 'r+');
// Prevent others not to read the config
chmod($configFilePath, 0640);
// File does not exist, this can happen when doing a fresh install
if (!is_resource($filePointer)) {
$url = \OC_Helper::linkToDocs('admin-dir_permissions');
throw new HintException("Can't write into config directory!", 'This can usually be fixed by ' . '<a href="' . $url . '" target="_blank">giving the webserver write access to the config directory</a>.');
}
// Try to acquire a file lock
if (!flock($filePointer, LOCK_EX)) {
throw new \Exception(sprintf('Could not acquire an exclusive lock on the config file %s', $configFilePath));
}
// Write the config and release the lock
ftruncate($filePointer, 0);
fwrite($filePointer, $content);
fflush($filePointer);
flock($filePointer, LOCK_UN);
fclose($filePointer);
}
