From 0330bad688e902df7c4a6f0db7faed52b9ccfbcb Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@pobox.com>
Date: Wed, 15 Dec 2010 12:14:25 -0800
Subject: [PATCH] Cleaner code to avoid a couple PHP notices from accessing
 uninitialized variables in ostatus profile discovery (these cases hit
 checking diaspora accounts)

---
 plugins/OStatus/classes/Ostatus_profile.php | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/plugins/OStatus/classes/Ostatus_profile.php b/plugins/OStatus/classes/Ostatus_profile.php
index b43a2b5f11..e5b8939a9d 100644
--- a/plugins/OStatus/classes/Ostatus_profile.php
+++ b/plugins/OStatus/classes/Ostatus_profile.php
@@ -1552,8 +1552,11 @@ class Ostatus_profile extends Memcached_DataObject
         }
 
         // Try the profile url (like foo.example.com or example.com/user/foo)
-
-        $profileUrl = ($object->link) ? $object->link : $hints['profileurl'];
+        if (!empty($object->link)) {
+            $profileUrl = $object->link;
+        } else if (!empty($hints['profileurl'])) {
+            $profileUrl = $hints['profileurl'];
+        }
 
         if (!empty($profileUrl)) {
             $nickname = self::nicknameFromURI($profileUrl);
@@ -1584,9 +1587,11 @@ class Ostatus_profile extends Memcached_DataObject
 
     protected static function nicknameFromURI($uri)
     {
-        preg_match('/(\w+):/', $uri, $matches);
-
-        $protocol = $matches[1];
+        if (preg_match('/(\w+):/', $uri, $matches)) {
+            $protocol = $matches[1];
+        } else {
+            return null;
+        }
 
         switch ($protocol) {
         case 'acct':
-- 
2.39.2