var observer = require("observer-service");
const {Cc,Ci,Cu,components} = require("chrome");
var bs = require("byte-streams");

function getQuerystring(path){
  s = path.split('?')
  if (s.length == 1) {
    return "";
  } else {
  return s[1];
  }
}

function callback(subject, data) {
  var httpChannel = subject.QueryInterface(Ci.nsIHttpChannel);
  console.log(httpChannel);
  console.log(httpChannel.URI.path);
  console.log(httpChannel.requestMethod);
  var data = '';
  if (httpChannel.requestMethod == 'POST'){
    var post = subject.QueryInterface(Ci.nsIUploadChannel);
    console.log(post);
    console.log(post.uploadStream);
    console.log(bs.ByteReader(post.uploadStream));
    data = "???";
  } else {
    data = getQuerystring(httpChannel.URI.path);
  }
  console.log(data)
}




observer.add('http-on-modify-request', callback);