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Fix #3756: Test that persistent licenses cannot be ingested into temp… #3774

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Sep 26, 2016
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71 changes: 71 additions & 0 deletions encrypted-media/drm-temporary-license-type.html
Original file line number Diff line number Diff line change
@@ -0,0 +1,71 @@
<!doctype html>
<html>
<head>
<meta charset=utf-8>
<title>Encrypted Media Extensions: Test that persistent license cannot be ingested into temporary session</title>
<link rel="help" href="https://w3c.github.io/encrypted-media/">

<!-- Web Platform Test Harness scripts -->
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>

<!-- Helper scripts for Encrypted Media Extensions tests -->
<script src=/encrypted-media/util/utils.js></script>
<script src=/encrypted-media/util/utf8.js></script>
<script src=/encrypted-media/util/fetch.js></script>
<script src=/encrypted-media/util/testmediasource.js></script>

<!-- Content metadata -->
<script src=/encrypted-media/content/content-metadata.js></script>

<!-- Message handler for DRM servers -->
<script src=/encrypted-media/util/drm-messagehandler.js></script>

<!-- The script for this specific test -->
<script src=/encrypted-media/scripts/temporary-license-type.js></script>

</head>
<body>
<div id='log'></div>

<script>
var keysystem = getSupportedKeySystem();

getSupportedContentAndInitDataTypes( keysystem )
.then( function( supported )
{
// This test requires initData for supported content.
// We prefer explicit initData configured for the content, but
// otherwise we will generate initData for a supported initDataType
// FIXME: Move me to a utility function
var content,
initDataType,
initData;

var contentWithExplicitInitData = supported.filter( function( s ) { return s.content.initDataType; } );
if ( contentWithExplicitInitData.length > 0 )
{
content = contentWithExplicitInitData[ 0 ].content;
initDataType = content.keys[ 0 ].initDataType;
initData = base64DecodeToUnit8Array( content.keys[ 0 ].initData );
}
else
{
content = supported[ 0 ].content;
initDataType = supported[ 0 ].initDataTypes[ 0 ];
initData = getInitData( content, initDataType );
}

var handler = new MessageHandler( keysystem, content, 'persistent-license' );

runTest( { keysystem: keysystem,
content: content,
messagehandler: handler.messagehandler,
initDataType: initDataType,
initData: initData
} );
} );

</script>
</body>
</html>
63 changes: 63 additions & 0 deletions encrypted-media/scripts/temporary-license-type.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,63 @@
function runTest(config,qualifier) {

var testname = testnamePrefix( qualifier, config.keysystem ) + ', cannot load persistent license into temporary session';

var configuration = getSimpleConfigurationForContent( config.content );

if ( config.initDataType && config.initData ) configuration.initDataTypes = [ config.initDataType ]

async_test(function(test)
{
var initDataType;
var initData;
var mediaKeySession;

function onFailure( error ) {
forceTestFailureFromPromise(test, error);
}

function processMessage(event)
{
assert_true(event instanceof window.MediaKeyMessageEvent);
assert_equals(event.target, mediaKeySession);
assert_equals(event.type, 'message');
assert_any( assert_equals,
event.messageType,
[ 'license-request', 'individualization-request' ] );

config.messagehandler( event.messageType, event.message ).then( function( response ) {
mediaKeySession.update( response ).then( test.step_func( function() {
if ( event.messageType !== 'license-request' ) {
return;
}
assert_unreached( "Update with incorrect license type should fail" )
} ) ).catch( test.step_func( function( error ) {
if ( event.messageType !== 'license-request' ) {
forceTestFailureFromPromise(test, error);
return;
}

assert_equals(error.name, 'TypeError' );
test.done();
} ) );
});
}

navigator.requestMediaKeySystemAccess( config.keysystem, [ configuration ] ).then(function(access) {
initDataType = access.getConfiguration().initDataTypes[0];

if ( config.initDataType && config.initData ) {
initData = config.initData;
} else {
initData = getInitData(config.content, initDataType);
}

return access.createMediaKeys();
}).then(test.step_func(function(mediaKeys) {
mediaKeySession = mediaKeys.createSession( 'temporary' );
waitForEventAndRunStep('message', mediaKeySession, test.step_func(processMessage), test);
return mediaKeySession.generateRequest(initDataType, initData);
})).catch(onFailure);
}, testname );

}