tor-browser

The Tor Browser
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test_eme_playback.html (6703B)


      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4  <title>Test Encrypted Media Extensions</title>
      5  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      6  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
      7  <script type="text/javascript" src="manifest.js"></script>
      8  <script type="text/javascript" src="https://example.com:443/tests/dom/media/test/eme.js"></script>
      9 </head>
     10 <body>
     11 <pre id="test">
     12 <script class="testbody" type="text/javascript">
     13 /* import-globals-from eme.js */
     14 var manager = new MediaTestManager;
     15 
     16 function ArrayBuffersEqual(a, b) {
     17  if (a.byteLength != b.byteLength) {
     18    return false;
     19  }
     20  var ua = new Uint8Array(a);
     21  var ub = new Uint8Array(b);
     22  for (var i = 0; i < ua.length; i++) {
     23    if (ua[i] != ub[i]) {
     24      return false;
     25    }
     26  }
     27  return true;
     28 }
     29 
     30 function KeysChangeFunc(session, keys, token) {
     31  session.keyIdsReceived = [];
     32  for (var keyid in keys) {
     33    Log(token, "Set " + keyid + " to false in session[" + session.sessionId + "].keyIdsReceived");
     34    session.keyIdsReceived[keyid] = false;
     35  }
     36  return function(ev) {
     37    var s = ev.target;
     38    s.gotKeysChanged = true;
     39 
     40    var keyList = [];
     41    var valueList = [];
     42    var map = s.keyStatuses;
     43 
     44    // Test that accessing keys not known to the CDM has expected behaviour.
     45    var absentKey = new Uint8Array([0xeb, 0xdd, 0x62, 0xf1, 0x68, 0x14, 0xd2, 0x7b,
     46                                    0x68, 0xef, 0x12, 0x2a, 0xfc, 0xe4, 0xae, 0x3c]);
     47    is(map.has(absentKey), false, "Shouldn't have a key that's not in the media");
     48    is(map.get(absentKey), undefined, "Unknown keys should undefined status");
     49 
     50    // Verify known keys have expected status.
     51    for (let [key, val] of map.entries()) {
     52      is(key.constructor, ArrayBuffer, "keyId should be ArrayBuffer");
     53      ok(map.has(key), "MediaKeyStatusMap.has() should work.");
     54      is(map.get(key), val, "MediaKeyStatusMap.get() should work.");
     55      keyList.push(key);
     56      valueList.push(val);
     57      is(val, "usable", token + ": key status should be usable");
     58      var kid = Base64ToHex(window.btoa(ArrayBufferToString(key)));
     59      ok(kid in s.keyIdsReceived, TimeStamp(token) + " session[" + s.sessionId + "].keyIdsReceived contained " + kid + " as expected.");
     60      s.keyIdsReceived[kid] = true;
     61    }
     62 
     63    var index = 0;
     64    for (var keyId of map.keys()) {
     65      ok(ArrayBuffersEqual(keyId, keyList[index]), "MediaKeyStatusMap.keys() should correspond to entries");
     66      index++;
     67    }
     68    index = 0;
     69    for (let val of map.values()) {
     70      is(val, valueList[index], "MediaKeyStatusMap.values() should correspond to entries");
     71      index++;
     72    }
     73  }
     74 }
     75 
     76 function startTest(test, token)
     77 {
     78  manager.started(token);
     79 
     80  var sessions = [];
     81 
     82  function onSessionCreated(session) {
     83    sessions.push(session);
     84    session.addEventListener("keystatuseschange", KeysChangeFunc(session, test.keys, token));
     85 
     86    session.numKeystatuseschangeEvents = 0;
     87    session.numOnkeystatuseschangeEvents = 0;
     88 
     89    session.addEventListener("keystatuseschange", function() {
     90      session.numKeystatuseschangeEvents += 1;
     91    });
     92    session.onkeystatuseschange = function() {
     93      session.numOnkeystatuseschangeEvents += 1;
     94    };
     95 
     96    session.numMessageEvents = 0;
     97    session.numOnMessageEvents = 0;
     98    session.addEventListener("message", function() {
     99      session.numMessageEvents += 1;
    100    });
    101    session.onmessage = function() {
    102      session.numOnMessageEvents += 1;
    103    };
    104  }
    105 
    106  let v = document.createElement("video");
    107  document.body.appendChild(v);
    108 
    109  var gotEncrypted = 0;
    110  let finish = new EMEPromise;
    111 
    112  v.addEventListener("encrypted", function() {
    113    gotEncrypted += 1;
    114  });
    115 
    116  v.addEventListener("loadedmetadata", function() {
    117    ok(SpecialPowers.do_lookupGetter(v, "isEncrypted").apply(v),
    118       TimeStamp(token) + " isEncrypted should be true");
    119    is(v.isEncrypted, undefined, "isEncrypted should not be accessible from content");
    120  });
    121 
    122  v.addEventListener("ended", function() {
    123    ok(true, TimeStamp(token) + " got ended event");
    124 
    125    is(gotEncrypted, test.sessionCount,
    126       TimeStamp(token) + " encrypted events expected: " + test.sessionCount
    127       + ", actual: " + gotEncrypted);
    128 
    129    ok(Math.abs(test.duration - v.duration) < 0.1,
    130       TimeStamp(token) + " Duration of video should be corrrect");
    131    ok(Math.abs(test.duration - v.currentTime) < 0.1,
    132       TimeStamp(token) + " Current time should be same as duration");
    133 
    134    // Verify all sessions had all keys went sent to the CDM usable, and thus
    135    // that we received keystatuseschange event(s).
    136    is(sessions.length, test.sessionCount, TimeStamp(token) + " should have "
    137                        + test.sessionCount
    138                        + " session" + (test.sessionCount === 1 ? "" : "s"));
    139    var keyIdsReceived = [];
    140    for (var keyid in test.keys) { keyIdsReceived[keyid] = false; }
    141    for (var i = 0; i < sessions.length; i++) {
    142      var session = sessions[i];
    143      ok(session.gotKeysChanged,
    144         TimeStamp(token) + " session[" + session.sessionId
    145         + "] should have received at least one keychange event");
    146      for (let kid in session.keyIdsReceived) {
    147        Log(token, "session[" + session.sessionId + "] key " + kid + " = " + (session.keyIdsReceived[kid] ? "true" : "false"));
    148        if (session.keyIdsReceived[kid]) { keyIdsReceived[kid] = true; }
    149      }
    150      ok(session.numKeystatuseschangeEvents > 0, TimeStamp(token) + " should get key status changes");
    151      is(session.numKeystatuseschangeEvents, session.numOnkeystatuseschangeEvents,
    152         TimeStamp(token) + " should have as many keystatuseschange event listener calls as event handler calls.");
    153 
    154      ok(session.numMessageEvents > 0, TimeStamp(token) + " should get message events");
    155      is(session.numMessageEvents, session.numOnMessageEvents,
    156         TimeStamp(token) + " should have as many message event listener calls as event handler calls.");
    157    }
    158    for (let kid in keyIdsReceived) {
    159      ok(keyIdsReceived[kid], TimeStamp(token) + " key with id " + kid + " was usable as expected");
    160    }
    161 
    162    CloseSessions(v, sessions).then(finish.resolve, finish.reject);
    163  });
    164 
    165  Promise.all([
    166    LoadInitData(v, test, token),
    167    CreateAndSetMediaKeys(v, test, token),
    168    LoadTest(test, v, token)])
    169  .then(values => {
    170    v.play();
    171    let initData = values[0];
    172    initData.map(ev => {
    173      let session = v.mediaKeys.createSession();
    174      onSessionCreated(session);
    175      MakeRequest(test, token, ev, session);
    176    });
    177    return finish.promise;
    178  })
    179  .catch(reason => ok(false, reason))
    180  .then(() => manager.finished(token));
    181 }
    182 
    183 SimpleTest.waitForExplicitFinish();
    184 manager.runTests(gEMETests, startTest);
    185 </script>
    186 </pre>
    187 </body>
    188 </html>