youtube filter support https

CHANGELOG.md

@@ -4,7 +4,6 @@
 * Rake task for rebuilding cached markup
 * default youtube embed code should be the same as provide by youtube.com; wmode is no longer default param
 * reducing dependencies - do not bundle RedCloth filter. Redcarpet (markdown) is default choice for markup and planned for more usage internally, so the lib goes with only that.
-* 
 
 ## 1.4.2, released 2011-08-12
 * Add support for YouTube short url

lib/auto_html/filters/youtube.rb

@@ -1,12 +1,13 @@
 AutoHtml.add_filter(:youtube).with(:width => 420, :height => 315, :frameborder => 0, :wmode => nil) do |text, options|
-  regex = /http:\/\/(www.)?youtube\.com\/watch\?v=([A-Za-z0-9_-]*)(\&\S+)?|http:\/\/(www.)?youtu\.be\/([A-Za-z0-9_-]*)?/
+  regex = /(https?):\/\/(www.)?(youtube\.com\/watch\?v=|youtu\.be\/)([A-Za-z0-9_-]*)(\&\S+)?/
   text.gsub(regex) do
-    youtube_id = $2 || $5
+    protocol = $1
+    youtube_id = $4
     width = options[:width]
     height = options[:height]
     frameborder = options[:frameborder]
 		wmode = options[:wmode]
-		src = "http://www.youtube.com/embed/#{youtube_id}"
+		src = "#{protocol}://www.youtube.com/embed/#{youtube_id}"
 		src += "?wmode=#{wmode}" if wmode
     %{<iframe width="#{width}" height="#{height}" src="#{src}" frameborder="#{frameborder}" allowfullscreen></iframe>}
   end

test/unit/filters/youtube_test.rb

@@ -31,4 +31,9 @@ def test_transform_with_short_url
     result = auto_html('http://www.youtu.be/BwNrmYRiX_o') { youtube }
     assert_equal '<iframe width="420" height="315" src="http://www.youtube.com/embed/BwNrmYRiX_o" frameborder="0" allowfullscreen></iframe>', result
   end
+
+  def test_transform_https
+    result = auto_html("https://www.youtube.com/watch?v=t7NdBIA4zJg") { youtube }
+    assert_equal '<iframe width="420" height="315" src="https://www.youtube.com/embed/t7NdBIA4zJg" frameborder="0" allowfullscreen></iframe>', result
+  end
 end