From ee04b98df5b92e7683710cfcb4147d8355d1a525 Mon Sep 17 00:00:00 2001
From: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Date: Sun, 23 Mar 2008 11:31:58 +0100
Subject: rss plugin: check for <channel when <rdf:RDF is found

RSS htmlinfo filter was catching some false positives because
some web pages have embedded RDF resources (e.g. for trackbacks)
even though they are not RSS feeds. So check for the obligatory
channel tag when an rdf:RDF tag is found.
---
 data/rbot/plugins/rss.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/data/rbot/plugins/rss.rb b/data/rbot/plugins/rss.rb
index 8bf59dfc..bc4fd369 100644
--- a/data/rbot/plugins/rss.rb
+++ b/data/rbot/plugins/rss.rb
@@ -370,7 +370,8 @@ class RSSFeedsPlugin < Plugin
   def htmlinfo_filter(s)
     return nil unless s[:headers] and s[:headers]['x-rbot-location']
     return nil unless s[:headers]['content-type'].first.match(/xml|rss|atom|rdf/i) or
-      s[:text].include?("<rdf:RDF") or s[:text].include?("<rss") or s[:text].include?("<feed") or
+      (s[:text].include?("<rdf:RDF") and s[:text].include?("<channel")) or
+      s[:text].include?("<rss") or s[:text].include?("<feed") or
       s[:text].match(FEED_NS)
     blob = RssBlob.new(s[:headers]['x-rbot-location'],"", :htmlinfo)
     unless (fetchRss(blob, nil) and parseRss(blob, nil) rescue nil)
-- 
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