test-redirect-auth.js

'use strict'

var server = require('./server')
  , request = require('../index')
  , util = require('util')
  , tape = require('tape')

var s = server.createServer()
  , ss = server.createSSLServer()

// always send basic auth and allow non-strict SSL
request = request.defaults({
  auth : {
    user : 'test',
    pass : 'testing'
  },
  rejectUnauthorized : false
})

// redirect.from(proto, host).to(proto, host) returns an object with keys:
//   src : source URL
//   dst : destination URL
var redirect = {
  from : function(fromProto, fromHost) {
    return {
      to : function(toProto, toHost) {
        var fromPort = (fromProto === 'http' ? s.port : ss.port)
          , toPort = (toProto === 'http' ? s.port : ss.port)
        return {
          src : util.format(
            '%s://%s:%d/to/%s/%s',
            fromProto, fromHost, fromPort, toProto, toHost),
          dst : util.format(
            '%s://%s:%d/from/%s/%s',
            toProto, toHost, toPort, fromProto, fromHost)
        }
      }
    }
  }
}

function handleRequests(srv) {
  ['http', 'https'].forEach(function(proto) {
    ['localhost', '127.0.0.1'].forEach(function(host) {
      srv.on(util.format('/to/%s/%s', proto, host), function(req, res) {
        var r = redirect
          .from(srv.protocol, req.headers.host.split(':')[0])
          .to(proto, host)
        res.writeHead(301, {
          location : r.dst
        })
        res.end()
      })

      srv.on(util.format('/from/%s/%s', proto, host), function(req, res) {
        res.end('auth: ' + (req.headers.authorization || '(nothing)'))
      })
    })
  })
}

handleRequests(s)
handleRequests(ss)

tape('setup', function(t) {
  s.listen(s.port, function() {
    ss.listen(ss.port, function() {
      t.end()
    })
  })
})

tape('redirect URL helper', function(t) {
  t.deepEqual(
    redirect.from('http', 'localhost').to('https', '127.0.0.1'),
    {
      src : util.format('http://localhost:%d/to/https/127.0.0.1', s.port),
      dst : util.format('https://127.0.0.1:%d/from/http/localhost', ss.port)
    })
  t.deepEqual(
    redirect.from('https', 'localhost').to('http', 'localhost'),
    {
      src : util.format('https://localhost:%d/to/http/localhost', ss.port),
      dst : util.format('http://localhost:%d/from/https/localhost', s.port)
    })
  t.end()
})

function runTest(name, redir, expectAuth) {
  tape('redirect to ' + name, function(t) {
    request(redir.src, function(err, res, body) {
      t.equal(err, null)
      t.equal(res.request.uri.href, redir.dst)
      t.equal(res.statusCode, 200)
      t.equal(body, expectAuth
        ? 'auth: Basic dGVzdDp0ZXN0aW5n'
        : 'auth: (nothing)')
      t.end()
    })
  })
}

runTest('same host and protocol',
  redirect.from('http', 'localhost').to('http', 'localhost'),
  true)

runTest('same host different protocol',
  redirect.from('http', 'localhost').to('https', 'localhost'),
  true)

runTest('different host same protocol',
  redirect.from('https', '127.0.0.1').to('https', 'localhost'),
  false)

runTest('different host and protocol',
  redirect.from('http', 'localhost').to('https', '127.0.0.1'),
  false)

tape('cleanup', function(t) {
  s.close(function() {
    ss.close(function() {
      t.end()
    })
  })
})