function testnamePrefix( qualifier, keysystem ) {
return ( qualifier || '' ) + ( keysystem === 'org.w3.clearkey' ? keysystem : 'drm' );
}
function getInitData(initDataType) {
// FIXME: This is messed up, because here we are hard coding the key ids for the different content
// that we use for clearkey testing: webm and mp4. For keyids we return the mp4 one
//
// The content used with the DRM today servers has a different key id altogether
if (initDataType == 'webm') {
return new Uint8Array([
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
]);
}
if (initDataType == 'cenc') {
return new Uint8Array([
0x00, 0x00, 0x00, 0x34, // size
0x70, 0x73, 0x73, 0x68, // 'pssh'
0x01, // version = 1
0x00, 0x00, 0x00, // flags
0x10, 0x77, 0xEF, 0xEC, 0xC0, 0xB2, 0x4D, 0x02, // Common SystemID
0xAC, 0xE3, 0x3C, 0x1E, 0x52, 0xE2, 0xFB, 0x4B,
0x00, 0x00, 0x00, 0x01, // key count
0x00, 0x00, 0x00, 0x00, 0x03, 0xd2, 0xfc, 0x41, // key id
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00 // datasize
]);
}
if (initDataType == 'keyids') {
var keyId = new Uint8Array([
0x00, 0x00, 0x00, 0x00, 0x03, 0xd2, 0xfc, 0x41,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
]);
return stringToUint8Array(createKeyIDs(keyId));
}
throw 'initDataType ' + initDataType + ' not supported.';
}
function stringToUint8Array(str)
{
var result = new Uint8Array(str.length);
for(var i = 0; i < str.length; i++) {
result[i] = str.charCodeAt(i);
}
return result;
}
// Encodes |data| into base64url string. There is no '=' padding, and the
// characters '-' and '_' must be used instead of '+' and '/', respectively.
function base64urlEncode(data) {
var result = btoa(String.fromCharCode.apply(null, data));
return result.replace(/=+$/g, '').replace(/\+/g, "-").replace(/\//g, "_");
}
// Decode |encoded| using base64url decoding.
function base64urlDecode(encoded) {
return atob(encoded.replace(/\-/g, "+").replace(/\_/g, "/"));
}
// Decode |encoded| using base64 to a Uint8Array
function base64DecodeToUnit8Array(encoded) {
return new Uint8Array( atob( encoded ).split('').map( function(c){return c.charCodeAt(0);} ) );
}
// Clear Key can also support Key IDs Initialization Data.
// ref: http://w3c.github.io/encrypted-media/keyids-format.html
// Each parameter is expected to be a key id in an Uint8Array.
function createKeyIDs() {
var keyIds = '{"kids":["';
for (var i = 0; i < arguments.length; i++) {
if (i != 0) keyIds += '","';
keyIds += base64urlEncode(arguments[i]);
}
keyIds += '"]}';
return keyIds;
}
function getSupportedKeySystem() {
var userAgent = navigator.userAgent.toLowerCase();
var keysystem = undefined;
if (userAgent.indexOf('edge') > -1 ) {
keysystem = 'com.microsoft.playready';
} else if (userAgent.indexOf('chrome') > -1) {
keysystem = 'com.widevine.alpha';
} else if (userAgent.indexOf('firefox') > -1) {
if (userAgent.includes("win")) {
keysystem = 'com.microsoft.playready.recommendation';
} else {
keysystem = 'com.widevine.alpha';
}
}
return keysystem;
}
function waitForEventAndRunStep(eventName, element, func, stepTest)
{
var eventCallback = function(event) {
if (func)
func(event);
}
element.addEventListener(eventName, stepTest.step_func(eventCallback), true);
}
function waitForEvent(eventName, element) {
return new Promise(function(resolve) {
element.addEventListener(eventName, resolve, true);
})
}
var consoleDiv = null;
function consoleWrite(text)
{
if (!consoleDiv && document.body) {
consoleDiv = document.createElement('div');
document.body.appendChild(consoleDiv);
}
var span = document.createElement('span');
span.appendChild(document.createTextNode(text));
span.appendChild(document.createElement('br'));
consoleDiv.appendChild(span);
}
function forceTestFailureFromPromise(test, error, message)
{
test.step_func(assert_unreached)(message ? message + ': ' + error.message : error);
}
// Returns an array of audioCapabilities that includes entries for a set of
// codecs that should cover all user agents.
function getPossibleAudioCapabilities()
{
return [
{ contentType: 'audio/mp4; codecs="mp4a.40.2"' },
{ contentType: 'audio/webm; codecs="opus"' },
];
}
// Returns a trivial MediaKeySystemConfiguration that should be accepted,
// possibly as a subset of the specified capabilities, by all user agents.
function getSimpleConfiguration()
{
return [ {
initDataTypes : [ 'webm', 'cenc', 'keyids' ],
audioCapabilities: getPossibleAudioCapabilities()
} ];
}
// Returns a MediaKeySystemConfiguration for |initDataType| that should be
// accepted, possibly as a subset of the specified capabilities, by all
// user agents.
function getSimpleConfigurationForInitDataType(initDataType)
{
return [ {
initDataTypes: [ initDataType ],
audioCapabilities: getPossibleAudioCapabilities()
} ];
}
// Returns a promise that is fulfilled with true if |initDataType| is supported,
// by keysystem or false if not.
function isInitDataTypeSupported(keysystem,initDataType)
{
return navigator.requestMediaKeySystemAccess(
keysystem, getSimpleConfigurationForInitDataType(initDataType))
.then(function() { return true; }, function() { return false; });
}
function getSupportedInitDataTypes( keysystem )
{
return [ 'cenc', 'keyids', 'webm' ].filter( isInitDataTypeSupported.bind( null, keysystem ) );
}
function arrayBufferAsString(buffer)
{
var array = [];
Array.prototype.push.apply( array, new Uint8Array( buffer ) );
return '0x' + array.map( function( x ) { return x < 16 ? '0'+x.toString(16) : x.toString(16); } ).join('');
}
function dumpKeyStatuses(keyStatuses,short)
{
var userAgent = navigator.userAgent.toLowerCase();
if (userAgent.indexOf('edge') === -1) {
if (!short) { consoleWrite("for (var entry of keyStatuses)"); }
for (var entry of keyStatuses) {
consoleWrite(arrayBufferAsString(entry[0]) + ": " + entry[1]);
}
if (!short) {
consoleWrite("for (var keyId of keyStatuses.keys())");
for (var keyId of keyStatuses.keys()) {
consoleWrite(arrayBufferAsString(keyId));
}
consoleWrite("for (var status of keyStatuses.values())");
for (var status of keyStatuses.values()) {
consoleWrite(status);
}
consoleWrite("for (var entry of keyStatuses.entries())");
for (var entry of keyStatuses.entries()) {
consoleWrite(arrayBufferAsString(entry[0]) + ": " + entry[1]);
}
consoleWrite("keyStatuses.forEach()");
keyStatuses.forEach(function(status, keyId) {
consoleWrite(arrayBufferAsString(keyId) + ": " + status);
});
}
} else {
if (!short) { consoleWrite("keyStatuses.forEach()"); }
keyStatuses.forEach(function(keyId, status) {
consoleWrite(arrayBufferAsString(keyId) + ": " + status);
});
}
}
// Verify that |keyStatuses| contains just the keys in |keys.expected|
// and none of the keys in |keys.unexpected|. All keys should have status
// 'usable'. Example call: verifyKeyStatuses(mediaKeySession.keyStatuses,
// { expected: [key1], unexpected: [key2] });
function verifyKeyStatuses(keyStatuses, keys)
{
var expected = keys.expected || [];
var unexpected = keys.unexpected || [];
// |keyStatuses| should have same size as number of |keys.expected|.
assert_equals(keyStatuses.size, expected.length, "keystatuses should have expected size");
// All |keys.expected| should be found.
expected.map(function(key) {
assert_true(keyStatuses.has(key), "keystatuses should have the expected keys");
assert_equals(keyStatuses.get(key), 'usable', "keystatus value should be 'usable'");
});
// All |keys.unexpected| should not be found.
unexpected.map(function(key) {
assert_false(keyStatuses.has(key), "keystatuses should not have unexpected keys");
assert_equals(keyStatuses.get(key), undefined, "keystatus for unexpected key should be undefined");
});
}
// This function checks that calling |testCase.func| returns a
// rejected Promise with the error.name equal to
// |testCase.exception|.
function test_exception(testCase /*...*/) {
var func = testCase.func;
var exception = testCase.exception;
var args = Array.prototype.slice.call(arguments, 1);
// This should really be rewritten in terms of the promise_rejects_*
// testharness utility functions, but that needs the async test involved
// passed in, and we don't have that here.
return func.apply(null, args).then(
function (result) {
assert_unreached(format_value(func));
},
function (error) {
assert_not_equals(error.message, "", format_value(func));
// `exception` is a string name for the error. We can differentiate
// JS Errors from DOMExceptions by checking whether
// window[exception] exists. If it does, expectedError is the name
// of a JS Error subclass and window[exception] is the constructor
// for that subclass. Otherwise it's a name for a DOMException.
if (window[exception]) {
assert_throws_js(window[exception],
() => { throw error; },
format_value(func));
} else {
assert_throws_dom(exception,
() => { throw error; },
format_value(func));
}
}
);
}
// Check that the events sequence (array of strings) matches the pattern (array of either strings, or
// arrays of strings, with the latter representing a possibly repeating sub-sequence)
function checkEventSequence(events,pattern) {
function th(i) { return i + (i < 4 ? ["th", "st", "nd", "rd"][i] : "th"); }
var i = 0, j=0, k=0;
while(i < events.length && j < pattern.length) {
if (!Array.isArray(pattern[j])) {
assert_equals(events[i], pattern[j], "Expected " + th(i+1) + " event to be '" + pattern[j] + "'");
++i;
++j;
} else {
assert_equals(events[i], pattern[j][k], "Expected " + th(i+1) + " event to be '" + pattern[j][k] + "'");
++i;
k = (k+1)%pattern[j].length;
if (k === 0 && events[i] !== pattern[j][0]) {
++j;
}
}
}
assert_equals(i,events.length,"Received more events than expected");
assert_equals(j,pattern.length,"Expected more events than received");
}
Codebase Browser
chromium