netwerk/test/unit/test_tls13_disabled.js

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 registerCleanupFunction(async () => {
   6   Services.prefs.clearUserPref("security.tls.version.max");
   7   http3_clear_prefs();
   8 });
   9
  10 let httpsUri;
  11
  12 add_task(async function setup() {
  13   let h2Port = Services.env.get("MOZHTTP2_PORT");
  14   Assert.notEqual(h2Port, null);
  15   Assert.notEqual(h2Port, "");
  16   httpsUri = "https://foo.example.com:" + h2Port + "/";
  17
  18   await http3_setup_tests("h3", true);
  19 });
  20
  21 let Listener = function () {};
  22
  23 Listener.prototype = {
  24   resumed: false,
  25
  26   onStartRequest: function testOnStartRequest(request) {
  27     Assert.equal(request.status, Cr.NS_OK);
  28     Assert.equal(request.responseStatus, 200);
  29   },
  30
  31   onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
  32     read_stream(stream, cnt);
  33   },
  34
  35   onStopRequest: function testOnStopRequest(request) {
  36     let httpVersion = "";
  37     try {
  38       httpVersion = request.protocolVersion;
  39     } catch (e) {}
  40     if (this.expect_http3) {
  41       Assert.equal(httpVersion, "h3");
  42     } else {
  43       Assert.notEqual(httpVersion, "h3");
  44     }
  45
  46     this.finish();
  47   },
  48 };
  49
  50 function chanPromise(chan, listener) {
  51   return new Promise(resolve => {
  52     function finish(result) {
  53       resolve(result);
  54     }
  55     listener.finish = finish;
  56     chan.asyncOpen(listener);
  57   });
  58 }
  59
  60 function makeChan(uri) {
  61   let chan = NetUtil.newChannel({
  62     uri,
  63     loadUsingSystemPrincipal: true,
  64   }).QueryInterface(Ci.nsIHttpChannel);
  65   chan.loadFlags = Ci.nsIChannel.LOAD_INITIAL_DOCUMENT_URI;
  66   return chan;
  67 }
  68
  69 async function test_http3_used(expect_http3) {
  70   let listener = new Listener();
  71   listener.expect_http3 = expect_http3;
  72   let chan = makeChan(httpsUri);
  73   await chanPromise(chan, listener);
  74 }
  75
  76 add_task(async function test_tls13_pref() {
  77   await test_http3_used(true);
  78   // Try one more time.
  79   await test_http3_used(true);
  80
  81   // Disable TLS1.3
  82   Services.prefs.setIntPref("security.tls.version.max", 3);
  83   await test_http3_used(false);
  84   // Try one more time.
  85   await test_http3_used(false);
  86
  87   // Enable TLS1.3
  88   Services.obs.notifyObservers(null, "net:cancel-all-connections");
  89   Services.prefs.setIntPref("security.tls.version.max", 4);
  90   await test_http3_used(true);
  91   // Try one more time.
  92   await test_http3_used(true);
  93 });