Prevent autolinker to process insice multiline block codes and only link urls...

Prevent autolinker to process insice multiline block codes and only link urls containing :// or www.

packages/rocketchat-autolinker/autolinker.coffee

@@ -6,8 +6,24 @@
 class AutoLinker
 	constructor: (message) ->
 		if _.trim message.html
-			message.html = Autolinker.link(message.html, { stripPrefix: false, twitter: false })
-		
+			# Separate text in code blocks and non code blocks
+			msgParts = message.html.split(/(```\w*[\n\ ]?[\s\S]*?```+?)/)
+
+			for part, index in msgParts
+				# Verify if this part is code
+				codeMatch = part.match(/```(\w*)[\n\ ]?([\s\S]*?)```+?/)
+				if not codeMatch?
+					msgParts[index] = Autolinker.link part,
+						stripPrefix: false
+						twitter: false
+						replaceFn: (autolinker, match) ->
+							if match.getType() is 'url'
+								return /(:\/\/|www\.).+/.test match.matchedText
+							return true
+
+			# Re-mount message
+			message.html = msgParts.join('')
+
 		return message
 
 RocketChat.callbacks.add 'renderMessage', AutoLinker