/**
* Uploads backup file from server to Dropbox.
*
* @param array $args arguments passed to the function
* [consumer_key] -> consumer key of ManageWP Dropbox application
* [consumer_secret] -> consumer secret of ManageWP Dropbox application
* [oauth_token] -> oauth token of user on ManageWP Dropbox application
* [oauth_token_secret] -> oauth token secret of user on ManageWP Dropbox application
* [dropbox_destination] -> folder on user's Dropbox account which backup file should be upload to
* [dropbox_site_folder] -> subfolder with site name in dropbox_destination which backup file should be upload to
* [backup_file] -> absolute path of backup file on local server
*
* @return bool|array true is successful, array with error message if not
*/
public function dropbox_backup($args)
{
mwp_logger()->info('Acquiring Dropbox token to start uploading the backup file');
try {
$dropbox = mwp_dropbox_oauth_factory($args['consumer_key'], $args['consumer_secret'], $args['oauth_token'], $args['oauth_token_secret']);
} catch (Exception $e) {
mwp_logger()->error('Error while acquiring Dropbox token', array('exception' => $e));
return array('error' => $e->getMessage(), 'partial' => 1);
}
$args['dropbox_destination'] = '/' . ltrim($args['dropbox_destination'], '/');
if ($args['dropbox_site_folder'] == true) {
$args['dropbox_destination'] .= '/' . $this->site_name . '/' . basename($args['backup_file']);
} else {
$args['dropbox_destination'] .= '/' . basename($args['backup_file']);
}
$fileSize = filesize($args['backup_file']);
$start = microtime(true);
try {
mwp_logger()->info('Uploading backup file to Dropbox; file size is {backup_size} (progress support: {progress_support})', array('backup_file' => $args['backup_file'], 'backup_size' => mwp_format_bytes($fileSize), 'directory' => $args['dropbox_destination'], 'progress_support' => version_compare(PHP_VERSION, '5.3', '>=') ? 'enabled' : 'disabled'));
$callback = null;
if (version_compare(PHP_VERSION, '5.3', '>=')) {
$progress = new MWP_Progress_Upload($fileSize, 3, mwp_logger());
$callback = $progress->getCallback();
}
$dropbox->uploadFile($args['dropbox_destination'], Dropbox_WriteMode::force(), fopen($args['backup_file'], 'r'), $fileSize, $callback);
} catch (Exception $e) {
mwp_logger()->error('Error while uploading the file to Dropbox', array('exception' => $e));
return array('error' => $e->getMessage(), 'partial' => 1);
}
mwp_logger()->info('Backup to Dropbox completed; average speed is {speed}/s', array('speed' => mwp_format_bytes($fileSize / (microtime(true) - $start))));
return true;
}
