+/**
+ * @file mod/dfrn_poll.php
+ */
+
+use Friendica\App;
+use Friendica\Core\Config;
+use Friendica\Core\L10n;
+use Friendica\Core\System;
+use Friendica\Database\DBA;
+use Friendica\Module\Login;
+use Friendica\Protocol\DFRN;
+use Friendica\Protocol\OStatus;
+use Friendica\Util\Network;
+use Friendica\Util\XML;
+
+require_once 'include/items.php';
+
+function dfrn_poll_init(App $a)
+{
+ Login::sessionAuth();
+
+ $dfrn_id = defaults($_GET, 'dfrn_id' , '');
+ $type = defaults($_GET, 'type' , 'data');
+ $last_update = defaults($_GET, 'last_update' , '');
+ $destination_url = defaults($_GET, 'destination_url', '');
+ $challenge = defaults($_GET, 'challenge' , '');
+ $sec = defaults($_GET, 'sec' , '');
+ $dfrn_version = (float) defaults($_GET, 'dfrn_version' , 2.0);
+ $perm = defaults($_GET, 'perm' , 'r');
+ $quiet = x($_GET, 'quiet');
+
+ // Possibly it is an OStatus compatible server that requests a user feed
+ $user_agent = defaults($_SERVER, 'HTTP_USER_AGENT', '');
+ if (($a->argc > 1) && ($dfrn_id == '') && !strstr($user_agent, 'Friendica')) {
+ $nickname = $a->argv[1];
+ header("Content-type: application/atom+xml");
+ echo OStatus::feed($nickname, $last_update, 10);
+ killme();
+ }