fix onebox for your own site

lib/oneboxer/base.rb

@@ -19,7 +19,6 @@ module Oneboxer
         result['description'] = node['content'] if node
       end
 
-
       result
     end
   end

lib/oneboxer/base_onebox.rb

@@ -8,8 +8,8 @@ module Oneboxer
       attr_accessor :regexp
       attr_accessor :favicon_file
 
-      def matcher(regexp)
-        self.regexp = regexp
+      def matcher(regexp=nil,&blk)
+        self.regexp = regexp || blk
       end
 
       def favicon(favicon_file)

lib/oneboxer/discourse_onebox.rb

@@ -5,8 +5,9 @@ module Oneboxer
   class DiscourseOnebox < BaseOnebox
     include ActionView::Helpers::DateHelper
 
-    # TODO: we need to remove these hardcoded urls ASAP 
-    matcher /^https?\:\/\/(dev.discourse.org|localhost\:3000|l.discourse|discuss.emberjs.com)\/.*$/
+    matcher do
+      Regexp.new "^#{Discourse.base_url.gsub(".","\\.")}.*$", true
+    end
 
     def onebox
       uri = URI::parse(@url)