#!/usr/bin/env node

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// I proxy requests.  That's what I do.

const
http = require('http'),
forward = require('../lib/http_forward.js'),
config = require('../lib/configuration.js');

var port = config.has('bind_to.port') ? config.get('bind_to.port') : 0;
var addy = config.has('bind_to.host') ? config.get('bind_to.host') : "127.0.0.1";

const allowed = /^https:\/\/[a-zA-Z0-9\.\-_]+\/\.well-known\/browserid$/;

var server = http.createServer(function (req, res) {
  var url = req.url;
  if (!allowed.test(url)) {
    res.writeHead(400);
    res.end('You can\'t get there from here');
    return;
  }

  forward(url, req, res, function(err) {
    if (err) {
      res.writeHead(400);
      res.end('Oops: ' + err.toString());
      return;
    }
  });
}).listen(port, addy, function () {
  var a = server.address();
  console.log("running on http://" + a.address + ":" + a.port);
});