Altering HTTP Responses in Firefox Extension

Question

How can I alter the HTTP response body in a Firefox extension? I have setup an http-on-examine-response observer and an nsIStreamListener object with the code below. After I

Answer 1

You can use nsITraceableChannel to intercept the response.

You should modify the data which is available to what you need and pass it to the innerListener's OnDataAvailable

Below links would help you understand this better.

http://www.softwareishard.com/blog/firebug/nsitraceablechannel-intercept-http-traffic/

http://www.ashita.org/howto-xhr-listening-by-a-firefox-addon/