gecko-dev/dom/media/test/test_eme_persistent_sessions.html

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<!DOCTYPE HTML>
<html>
<head>
<title>Test Encrypted Media Extensions</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
<script type="text/javascript" src="eme.js"></script>
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
var manager = new MediaTestManager;
function UsableKeyIdsMatch(usableKeyIds, expectedKeyIds) {
var hexKeyIds = usableKeyIds.map(function(keyId) {
return Base64ToHex(window.btoa(ArrayBufferToString(keyId)));
}).sort();
var expected = Object.keys(expectedKeyIds).sort();
if (expected.length != hexKeyIds.length) {
return false;
}
for (var i = 0; i < hexKeyIds.length; i++) {
if (hexKeyIds[i] != expected[i]){
return false;
}
}
return true;
}
function AwaitAllKeysUsable(session, keys, token) {
return new Promise(function(resolve, reject) {
function listener(event) {
var map = session.keyStatuses;
var usableKeyIds = [];
for (var [key, val] of map.entries()) {
is(val, "usable", token + ": key status should be usable");
usableKeyIds.push(key);
}
if (UsableKeyIdsMatch(usableKeyIds, keys)) {
Log(token, "resolving AwaitAllKeysUsable promise");
session.removeEventListener("keystatuseschange", listener);
resolve();
}
}
session.addEventListener("keystatuseschange", listener);
});
}
function AwaitAllKeysNotUsable(session, token) {
return new Promise(function(resolve, reject) {
function listener(event) {
var map = session.keyStatuses;
if (map.size == 0) {
session.removeEventListener("keystatuseschange", listener);
resolve();
}
}
session.addEventListener("keystatuseschange", listener);
});
}
function startTest(test, token)
{
manager.started(token);
var recreatedSession; // will have remove() called on it.
var keySystemAccess;
var v = SetupEME(test, token,
{
onsessioncreated: function(session) {
Log(token, "Session created");
var sessionId;
initialSession = session;
// Once the session has loaded and has all its keys usable, close
// all sessions without calling remove() on them.
AwaitAllKeysUsable(session, test.keys, token).then(
function() {
sessionId = session.sessionId;
Log(token, "Closing session with id=" + sessionId);
session.close();
}
);
// Once the session is closed, reload the MediaKeys and reload the session
session.closed.then(function() {
return navigator.requestMediaKeySystemAccess(KEYSYSTEM_TYPE)
}, bail("close promise rejected"))
.then(function(requestedKeySystemAccess) {
keySystemAccess = requestedKeySystemAccess;
return keySystemAccess.createMediaKeys();
}, bail(token + " Failed to request key system access."))
.then(function(mediaKeys) {
Log(token, "re-created MediaKeys object ok");
recreatedSession = mediaKeys.createSession("persistent");
Log(token, "Created recreatedSession, loading sessionId=" + sessionId);
return Promise.all([AwaitAllKeysUsable(recreatedSession, test.keys, token), recreatedSession.load(sessionId)]);
}, bail(token + " failed to create mediaKeys"))
.then(function() {
Log(token, "re-loaded persistent session, all keys still usable");
return Promise.all([AwaitAllKeysNotUsable(recreatedSession, token), recreatedSession.remove()]);
}, bail(token + " failed to get reload session or keys"))
.then(function() {
Log(token, "removed session, all keys unusable.");
// Attempt to recreate the session, the attempt should fail.
return keySystemAccess.createMediaKeys();
}, bail(token + " failed to remove session"))
.then(function(mediaKeys) {
Log(token, "re-re-created MediaKeys object ok");
// Trying to load the removed persistent session should fail.
return mediaKeys.createSession("persistent").load(sessionId);
}, bail(token + " failed to create mediaKeys"))
.then(function(suceeded) {
is(suceeded, false, token + " we expect the third session creation to fail, as the session should have been removed.");
manager.finished(token);
}, bail(token + " failure to load session."));
},
sessionType: "persistent",
}
);
LoadTest(test, v, token);
}
function beginTest() {
manager.runTests(gEMETests, startTest);
}
var prefs = [
[ "media.mediasource.enabled", true ],
[ "media.mediasource.mp4.enabled", true ],
];
if (/Linux/.test(navigator.userAgent) ||
!document.createElement('video').canPlayType("video/mp4")) {
// XXX remove once we have mp4 PlatformDecoderModules on all platforms.
prefs.push([ "media.fragmented-mp4.exposed", true ]);
prefs.push([ "media.fragmented-mp4.use-blank-decoder", true ]);
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({ "set" : prefs }, beginTest);
</script>
</pre>
</body>
</html>