<?php
  
  /**
   * 2012 Frank Karlitschek frank@owncloud.org
   * This file is licensed under the Affero General Public License version 3 or later.
   * See the COPYING-README file.
   */

  OCP\JSON::checkAppEnabled('external');

  OCP\User::checkAdminUser();
  OCP\JSON::callCheck();
  
  $sites = array();
  for ($i = 0; $i < sizeof($_POST['site_name']); $i++) {
  	if (!empty($_POST['site_name'][$i]) && !empty($_POST['site_url'][$i])) {
  		array_push($sites, array(strip_tags($_POST['site_name'][$i]), strip_tags($_POST['site_url'][$i])));
  	}
  }

  $l=OC_L10N::get('external');
  
  foreach($sites as $site) {
  	if (strpos($site[1], 'https://') === 0) {
  		continue;
  	}
  	if (strpos($site[1], 'http://') === 0) {
  		continue;
  	}
  	if (strncmp($site[1], '/', 1) === 0) {
  		continue;
  	}
  	OC_JSON::error(array("data" => array( "message" => $l->t('Please enter valid urls - they have to start with either http://, https:// or /') )));
  	return;
  }

  if (sizeof($sites) == 0) {
  	$appConfig = \OC::$server->getAppConfig();
  	$appConfig->deleteKey('external', 'sites');
  } else {
  	OCP\Config::setAppValue('external', 'sites', json_encode($sites));
  }
  OC_JSON::success(array("data" => array( "message" => $l->t("External sites saved.") )));