/**
* Makes sure the installation parent directory exists and is writable.
*
* @param \Drupal\Core\FileTransfer\FileTransfer $filetransfer
* Object which is a child of FileTransfer.
* @param string $directory
* The installation directory to prepare.
*
* @throws \Drupal\Core\Updater\UpdaterException
*/
public function prepareInstallDirectory(&$filetransfer, $directory)
{
// Make the parent dir writable if need be and create the dir.
if (!is_dir($directory)) {
$parent_dir = dirname($directory);
if (!is_writable($parent_dir)) {
@chmod($parent_dir, 0755);
// It is expected that this will fail if the directory is owned by the
// FTP user. If the FTP user == web server, it will succeed.
try {
$filetransfer->createDirectory($directory);
$this->makeWorldReadable($filetransfer, $directory);
} catch (FileTransferException $e) {
// Probably still not writable. Try to chmod and do it again.
// @todo Make a new exception class so we can catch it differently.
try {
$old_perms = substr(sprintf('%o', fileperms($parent_dir)), -4);
$filetransfer->chmod($parent_dir, 0755);
$filetransfer->createDirectory($directory);
$this->makeWorldReadable($filetransfer, $directory);
// Put the permissions back.
$filetransfer->chmod($parent_dir, intval($old_perms, 8));
} catch (FileTransferException $e) {
$message = t($e->getMessage(), $e->arguments);
$throw_message = t('Unable to create %directory due to the following: %reason', array('%directory' => $directory, '%reason' => $message));
throw new UpdaterException($throw_message);
}
}
// Put the parent directory back.
@chmod($parent_dir, 0555);
}
}
}
