From f55850878450b27b00bd18b140f2be1357d9713c Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@status.net>
Date: Sat, 20 Mar 2010 07:23:13 -0500
Subject: [PATCH] handle RSS as well as Atom in Ostatus push hits

---
 plugins/OStatus/classes/Ostatus_profile.php | 32 +++++++++++++++++++--
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/plugins/OStatus/classes/Ostatus_profile.php b/plugins/OStatus/classes/Ostatus_profile.php
index 4f449a44d2..6885bb9531 100644
--- a/plugins/OStatus/classes/Ostatus_profile.php
+++ b/plugins/OStatus/classes/Ostatus_profile.php
@@ -388,11 +388,17 @@ class Ostatus_profile extends Memcached_DataObject
     {
         $feed = $doc->documentElement;
 
-        if ($feed->localName != 'feed' || $feed->namespaceURI != Activity::ATOM) {
-            common_log(LOG_ERR, __METHOD__ . ": not an Atom feed, ignoring");
-            return;
+        if ($feed->localName == 'feed' && $feed->namespaceURI == Activity::ATOM) {
+            $this->processAtomFeed($feed, $source);
+        } else if ($feed->localName == 'rss') { // @fixme check namespace
+            $this->processRssFeed($feed, $source);
+        } else {
+            throw new Exception("Unknown feed format.");
         }
+    }
 
+    public function processAtomFeed(DOMElement $feed, $source)
+    {
         $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
         if ($entries->length == 0) {
             common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
@@ -405,6 +411,26 @@ class Ostatus_profile extends Memcached_DataObject
         }
     }
 
+    public function processRssFeed(DOMElement $rss, $source)
+    {
+        $channels = $rss->getElementsByTagName('channel');
+
+        if ($channels->length == 0) {
+            throw new Exception("RSS feed without a channel.");
+        } else if ($channels->length > 1) {
+            common_log(LOG_WARNING, __METHOD__ . ": more than one channel in an RSS feed");
+        }
+
+        $channel = $channels->item(0);
+
+        $items = $channel->getElementsByTagName('item');
+
+        for ($i = 0; $i < $items->length; $i++) {
+            $item = $items->item($i);
+            $this->processEntry($item, $channel, $source);
+        }
+    }
+
     /**
      * Process a posted entry from this feed source.
      *