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encrypted-media-keystatuses-multiple-sessions.html
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encrypted-media-keystatuses-multiple-sessions.html
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<!DOCTYPE html>
<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
<html>
<head>
<title>Verify MediaKeySession.keyStatuses with multiple sessions</title>
<script src="encrypted-media-utils.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="log"></div>
<script>
async_test(function(test)
{
var mediaKeySession1;
var mediaKeySession2;
var initDataType;
var initData;
// Even though key ids are uint8, using printable values so that
// they can be verified easily.
var key1 = stringToUint8Array('123');
var key2 = stringToUint8Array('4567890');
var rawKey1 = new Uint8Array([0xeb, 0xdd, 0x62, 0xf1, 0x68, 0x14, 0xd2, 0x7b,
0x68, 0xef, 0x12, 0x2a, 0xfc, 0xe4, 0xae, 0x3c]);
var rawKey2 = new Uint8Array([0x3c, 0xae, 0xe4, 0xfc, 0x2a, 0x12, 0xef, 0x68,
0x7b, 0xd2, 0x14, 0x68, 0xf1, 0x62, 0xdd, 0xeb]);
function processMessage1(event)
{
// This should only be called for session1.
assert_equals(event.target, mediaKeySession1);
// No keys added yet.
verifyKeyStatuses(mediaKeySession1.keyStatuses, { expected: [], unexpected: [key1, key2] });
// Add key1 to session1.
var jwkSet = stringToUint8Array(createJWKSet(createJWK(key1, rawKey1)));
mediaKeySession1.update(jwkSet).catch(function(error) {
forceTestFailureFromPromise(test, error);
});
}
function processKeyStatusesChange1(event)
{
// This should only be called for session1.
assert_equals(event.target, mediaKeySession1);
// Check that keyStatuses contains the expected key1 only.
dumpKeyStatuses(mediaKeySession1.keyStatuses);
verifyKeyStatuses(mediaKeySession1.keyStatuses, { expected: [key1], unexpected: [key2] });
// Now trigger a message event on session2.
mediaKeySession2.generateRequest(initDataType, initData).catch(function(error) {
forceTestFailureFromPromise(test, error);
});
}
function processMessage2(event)
{
// This should only be called for session2.
assert_equals(event.target, mediaKeySession2);
// session2 has no keys added yet.
verifyKeyStatuses(mediaKeySession2.keyStatuses, { expected: [], unexpected: [key1, key2] });
// session1 should still have 1 key.
verifyKeyStatuses(mediaKeySession1.keyStatuses, { expected: [key1], unexpected: [key2] });
// Add key2 to session2.
var jwkSet = stringToUint8Array(createJWKSet(createJWK(key2, rawKey2)));
mediaKeySession2.update(jwkSet).catch(function(error) {
forceTestFailureFromPromise(test, error);
});
}
function processKeyStatusesChange2(event)
{
// This should only be called for session2.
assert_equals(event.target, mediaKeySession2);
// Check that keyStatuses contains the expected key2 only.
dumpKeyStatuses(mediaKeySession2.keyStatuses);
verifyKeyStatuses(mediaKeySession2.keyStatuses, { expected: [key2], unexpected: [key1] });
// session1 should still have 1 key.
verifyKeyStatuses(mediaKeySession1.keyStatuses, { expected: [key1], unexpected: [key2] });
test.done();
}
navigator.requestMediaKeySystemAccess('org.w3.clearkey', getSimpleConfiguration()).then(function(access) {
initDataType = access.getConfiguration().initDataTypes[0];
initData = getInitData(initDataType);
return access.createMediaKeys();
}).then(function(mediaKeys) {
mediaKeySession1 = mediaKeys.createSession();
mediaKeySession2 = mediaKeys.createSession();
// There should be no keys defined on either session.
verifyKeyStatuses(mediaKeySession1.keyStatuses, { expected: [], unexpected: [key1, key2] });
verifyKeyStatuses(mediaKeySession2.keyStatuses, { expected: [], unexpected: [key1, key2] });
// Bind all the event handlers now.
waitForEventAndRunStep('message', mediaKeySession1, processMessage1, test);
waitForEventAndRunStep('message', mediaKeySession2, processMessage2, test);
waitForEventAndRunStep('keystatuseschange', mediaKeySession1, processKeyStatusesChange1, test);
waitForEventAndRunStep('keystatuseschange', mediaKeySession2, processKeyStatusesChange2, test);
// Generate a request on session1.
return mediaKeySession1.generateRequest(initDataType, initData);
}).catch(function(error) {
forceTestFailureFromPromise(test, error);
});
}, 'Verify MediaKeySession.keyStatuses with multiple sessions.');
</script>
</body>
</html>