From 5996e2cd4c82834dace66f7bc4bd7a2ed5e4b293 Mon Sep 17 00:00:00 2001
From: Friendika <info@friendika.com>
Date: Sun, 22 May 2011 21:20:28 -0700
Subject: if no FB image and fb link is on our site, use Friendika logo for fb
 image. Otherwise it's going to end up being a random friend.

---
 mod/pubsub.php | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'mod')

diff --git a/mod/pubsub.php b/mod/pubsub.php
index 5d8ea2ed7..f829eb4d9 100644
--- 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 );
 
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