Merge branch 'pull'

[friendica.git] / mod / pubsub.php

diff --git a/mod/pubsub.php b/mod/pubsub.php
index 5d8ea2ed76640f7a0a3e329123f17aa8ef961808..f829eb4d98f8882a62dbc3a58637c5db5e8e6e83 100644 (file)
--- a/mod/pubsub.php
+++ b/mod/pubsub.php
@@ -91,6 +91,11 @@ function pubsub_post(&$a) {
        logger('pubsub: user-agent: ' . $_SERVER['HTTP_USER_AGENT'] );
        logger('pubsub: data: ' . $xml, LOGGER_DATA);
 
+       if(! stristr($xml,'<?xml')) {
+               logger('pubsub_post: bad xml');
+               hub_post_return();
+       }
+
        $nick       = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
        $contact_id = (($a->argc > 2) ? intval($a->argv[2])       : 0 );