media/test/data/eme_remove_session_test.html - cobalt - Git at Google

 <!DOCTYPE html>
 <title>Test that remove() succeeds on temporary sessions</title>
 // This test is similar to the layout test
 // encrypted-media-session-remove-temporary.html, but needs to run as a
 // browser test as it needs access to a license server (for Widevine).

 <div id="logs"></div>
 <script src='eme_player_js/app_loader.js' type='text/javascript'></script>
 <script type='text/javascript'>
   // This test only uses |keySystem| and |licenseServerURL|.
   var testConfig = new TestConfig();
   testConfig.loadQueryParams();

   // Use the default KEY_ID and KEY as specified in eme_player_js/globals.js.
   const keyId = KEY_ID;
   const key = KEY;

   // Code for using the Widevine key system.
   function WidevineKeySystemHelper() {}

   // Called when a 'message' event happens. Send the message to the license
   // server, and when the response is received, call update() and then call
   // |resolve| or |reject| as appropriate.
   WidevineKeySystemHelper.prototype.onMessage = function(
       event, resolve, reject) {
     var mediaKeySession = event.target;
     function onSuccess(response) {
       var key = new Uint8Array(response);
       Utils.timeLog('Calling update()');
       mediaKeySession.update(key).then(resolve, reject);
     }
     Utils.sendRequest(
         'POST', 'arraybuffer', Utils.convertToUint8Array(event.message),
         this.testConfig.licenseServerURL, onSuccess);
   };

   // Code for using the ClearKey key system.
   function ClearKeyKeySystemHelper() {}

   // Called when a 'message' event happens. For ClearKey we know the key to be
   // used, so simply call update() and then call |resolve| or |reject| as
   // appropriate.
   ClearKeyKeySystemHelper.prototype.onMessage = function(
       event, resolve, reject) {
     var mediaKeySession = event.target;

     Utils.timeLog('Calling update()');
     const jwkSet = Utils.createJWKData(keyId, key);
     mediaKeySession.update(jwkSet).then(resolve, reject);
   };

   var keySystemHelper;
   if (testConfig.keySystem == WIDEVINE_KEYSYSTEM) {
     keySystemHelper = new WidevineKeySystemHelper();
   } else if (
       testConfig.keySystem == CLEARKEY ||
       testConfig.keySystem == EXTERNAL_CLEARKEY) {
     keySystemHelper = new ClearKeyKeySystemHelper();
   } else {
     Utils.timeLog('Unsupported key system ' + testConfig.keySystem);
   }

   // This test doesn't play any media, so no concern with specifying multiple
   // codecs. This is done to provide a set of codecs that should cover all
   // user agents.
   config = [{
     initDataTypes: ['webm'],
     audioCapabilities: [
       {contentType: 'audio/mp4; codecs="mp4a.40.2"'},
       {contentType: 'audio/webm; codecs="opus"'},
     ],
     persistentState: 'optional',
     sessionTypes: ['temporary'],
   }];

   var mediaKeySession;
   navigator.requestMediaKeySystemAccess(testConfig.keySystem, config)
       .then(function(access) {
         Utils.timeLog(
             'Supports initDataType ' +
             access.getConfiguration().initDataTypes[0]);
         return access.createMediaKeys();
       })
       .then(function(mediaKeys) {
         Utils.timeLog('Creating session');
         mediaKeySession = mediaKeys.createSession();

         // Register for the 'message' event before it happens. Although the
         // event shouldn't be generated until after the generateRequest()
         // promise is resolved, the handlers may be queued before the
         // JavaScript code runs (and thus be lost if an event handler is
         // not registered).
         // When the 'message' event occurs, keySystemHelper.onMessage() will
         // run. It will end up calling update(), and |waitForMessagePromise|
         // will be resolved or rejected with the result of calling update().
         const waitForMessagePromise = Utils.waitForEvent(
             mediaKeySession, 'message', keySystemHelper.onMessage);

         // After update() is called, a 'keystatuseschange' event will occur.
         // Wait for it before checking the key statuses. Registering the event
         // handler now to ensure that the event gets caught. There is no need
         // to do anything in the event handler as the key statuses are on
         // |mediaKeySession|, and they can be checked after the promise is
         // resolved.
         const waitForKeyStatusChangePromise =
             Utils.waitForEvent(mediaKeySession, 'keystatuseschange');

         // As this is using 'webm' initDataType, the data to generateRequest()
         // is simply the key ID.
         Utils.timeLog('Calling generateRequest()');
         const generateRequestPromise = mediaKeySession.generateRequest(
             'webm', Utils.convertToUint8Array(keyId));

         // Can't tell what order the events happen, so simply wait for them all.
         return Promise.all([
           generateRequestPromise, waitForMessagePromise,
           waitForKeyStatusChangePromise
         ]);
       })
       .then(function() {
         // Session should have 1 usable key.
         Utils.timeLog('Checking for usable keyStatuses');
         Utils.verifyKeyStatuses(
             mediaKeySession.keyStatuses, [{keyId: keyId, status: 'usable'}]);

         promises = [];
         // Once remove() is called, another 'keystatuseschange' event will
         // happen.
         promises.push(Utils.waitForEvent(mediaKeySession, 'keystatuseschange'));

         Utils.timeLog('Calling remove()');
         promises.push(mediaKeySession.remove());

         return Promise.all(promises);
       })
       .then(function() {
         // After remove() all keys should be 'released'.
         Utils.timeLog('Checking for released keyStatuses');
         Utils.verifyKeyStatuses(
             mediaKeySession.keyStatuses, [{keyId: keyId, status: 'released'}]);
         // After remove() the session expiry should be NaN.
         if (!isNaN(mediaKeySession.expiration)) {
           Utils.failTest('expiration is not Nan');
           return;
         }
         Utils.timeLog('Calling close()');
         return mediaKeySession.close();
       })
       .then(function() {
         // After close() there should be no keys.
         Utils.timeLog('Checking for empty keyStatuses');
         Utils.verifyKeyStatuses(mediaKeySession.keyStatuses, []);
         Utils.setResultInTitle('ENDED');
       })
       .catch(function(error) {
         Utils.timeLog(error);
         Utils.failTest('Failed test.');
       });
 </script>
 </html>
	<!DOCTYPE html>
	<title>Test that remove() succeeds on temporary sessions</title>
	// This test is similar to the layout test
	// encrypted-media-session-remove-temporary.html, but needs to run as a
	// browser test as it needs access to a license server (for Widevine).

	<div id="logs"></div>
	<script src='eme_player_js/app_loader.js' type='text/javascript'></script>
	<script type='text/javascript'>
	// This test only uses \|keySystem\| and \|licenseServerURL\|.
	var testConfig = new TestConfig();
	testConfig.loadQueryParams();

	// Use the default KEY_ID and KEY as specified in eme_player_js/globals.js.
	const keyId = KEY_ID;
	const key = KEY;

	// Code for using the Widevine key system.
	function WidevineKeySystemHelper() {}

	// Called when a 'message' event happens. Send the message to the license
	// server, and when the response is received, call update() and then call
	// \|resolve\| or \|reject\| as appropriate.
	WidevineKeySystemHelper.prototype.onMessage = function(
	event, resolve, reject) {
	var mediaKeySession = event.target;
	function onSuccess(response) {
	var key = new Uint8Array(response);
	Utils.timeLog('Calling update()');
	mediaKeySession.update(key).then(resolve, reject);
	}
	Utils.sendRequest(
	'POST', 'arraybuffer', Utils.convertToUint8Array(event.message),
	this.testConfig.licenseServerURL, onSuccess);
	};

	// Code for using the ClearKey key system.
	function ClearKeyKeySystemHelper() {}

	// Called when a 'message' event happens. For ClearKey we know the key to be
	// used, so simply call update() and then call \|resolve\| or \|reject\| as
	// appropriate.
	ClearKeyKeySystemHelper.prototype.onMessage = function(
	event, resolve, reject) {
	var mediaKeySession = event.target;

	Utils.timeLog('Calling update()');
	const jwkSet = Utils.createJWKData(keyId, key);
	mediaKeySession.update(jwkSet).then(resolve, reject);
	};

	var keySystemHelper;
	if (testConfig.keySystem == WIDEVINE_KEYSYSTEM) {
	keySystemHelper = new WidevineKeySystemHelper();
	} else if (
	testConfig.keySystem == CLEARKEY \|\|
	testConfig.keySystem == EXTERNAL_CLEARKEY) {
	keySystemHelper = new ClearKeyKeySystemHelper();
	} else {
	Utils.timeLog('Unsupported key system ' + testConfig.keySystem);
	}

	// This test doesn't play any media, so no concern with specifying multiple
	// codecs. This is done to provide a set of codecs that should cover all
	// user agents.
	config = [{
	initDataTypes: ['webm'],
	audioCapabilities: [
	{contentType: 'audio/mp4; codecs="mp4a.40.2"'},
	{contentType: 'audio/webm; codecs="opus"'},
	],
	persistentState: 'optional',
	sessionTypes: ['temporary'],
	}];

	var mediaKeySession;
	navigator.requestMediaKeySystemAccess(testConfig.keySystem, config)
	.then(function(access) {
	Utils.timeLog(
	'Supports initDataType ' +
	access.getConfiguration().initDataTypes[0]);
	return access.createMediaKeys();
	})
	.then(function(mediaKeys) {
	Utils.timeLog('Creating session');
	mediaKeySession = mediaKeys.createSession();

	// Register for the 'message' event before it happens. Although the
	// event shouldn't be generated until after the generateRequest()
	// promise is resolved, the handlers may be queued before the
	// JavaScript code runs (and thus be lost if an event handler is
	// not registered).
	// When the 'message' event occurs, keySystemHelper.onMessage() will
	// run. It will end up calling update(), and \|waitForMessagePromise\|
	// will be resolved or rejected with the result of calling update().
	const waitForMessagePromise = Utils.waitForEvent(
	mediaKeySession, 'message', keySystemHelper.onMessage);

	// After update() is called, a 'keystatuseschange' event will occur.
	// Wait for it before checking the key statuses. Registering the event
	// handler now to ensure that the event gets caught. There is no need
	// to do anything in the event handler as the key statuses are on
	// \|mediaKeySession\|, and they can be checked after the promise is
	// resolved.
	const waitForKeyStatusChangePromise =
	Utils.waitForEvent(mediaKeySession, 'keystatuseschange');

	// As this is using 'webm' initDataType, the data to generateRequest()
	// is simply the key ID.
	Utils.timeLog('Calling generateRequest()');
	const generateRequestPromise = mediaKeySession.generateRequest(
	'webm', Utils.convertToUint8Array(keyId));

	// Can't tell what order the events happen, so simply wait for them all.
	return Promise.all([
	generateRequestPromise, waitForMessagePromise,
	waitForKeyStatusChangePromise
	]);
	})
	.then(function() {
	// Session should have 1 usable key.
	Utils.timeLog('Checking for usable keyStatuses');
	Utils.verifyKeyStatuses(
	mediaKeySession.keyStatuses, [{keyId: keyId, status: 'usable'}]);

	promises = [];
	// Once remove() is called, another 'keystatuseschange' event will
	// happen.
	promises.push(Utils.waitForEvent(mediaKeySession, 'keystatuseschange'));

	Utils.timeLog('Calling remove()');
	promises.push(mediaKeySession.remove());

	return Promise.all(promises);
	})
	.then(function() {
	// After remove() all keys should be 'released'.
	Utils.timeLog('Checking for released keyStatuses');
	Utils.verifyKeyStatuses(
	mediaKeySession.keyStatuses, [{keyId: keyId, status: 'released'}]);
	// After remove() the session expiry should be NaN.
	if (!isNaN(mediaKeySession.expiration)) {
	Utils.failTest('expiration is not Nan');
	return;
	}
	Utils.timeLog('Calling close()');
	return mediaKeySession.close();
	})
	.then(function() {
	// After close() there should be no keys.
	Utils.timeLog('Checking for empty keyStatuses');
	Utils.verifyKeyStatuses(mediaKeySession.keyStatuses, []);
	Utils.setResultInTitle('ENDED');
	})
	.catch(function(error) {
	Utils.timeLog(error);
	Utils.failTest('Failed test.');
	});
	</script>
	</html>