diff options
Diffstat (limited to 'testing/web-platform/tests/encrypted-media/polyfill/clearkey-polyfill.js')
| -rw-r--r-- | testing/web-platform/tests/encrypted-media/polyfill/clearkey-polyfill.js | 510 |
1 files changed, 0 insertions, 510 deletions
diff --git a/testing/web-platform/tests/encrypted-media/polyfill/clearkey-polyfill.js b/testing/web-platform/tests/encrypted-media/polyfill/clearkey-polyfill.js deleted file mode 100644 index 057ea3e03..000000000 --- a/testing/web-platform/tests/encrypted-media/polyfill/clearkey-polyfill.js +++ /dev/null @@ -1,510 +0,0 @@ -(function(){ - - // Save platform functions that will be modified - var _requestMediaKeySystemAccess = navigator.requestMediaKeySystemAccess.bind( navigator ), - _setMediaKeys = HTMLMediaElement.prototype.setMediaKeys; - - // Allow us to modify the target of Events - Object.defineProperties( Event.prototype, { - target: { get: function() { return this._target || this.currentTarget; }, - set: function( newtarget ) { this._target = newtarget; } } - } ); - - var EventTarget = function(){ - this.listeners = {}; - }; - - EventTarget.prototype.listeners = null; - - EventTarget.prototype.addEventListener = function(type, callback){ - if(!(type in this.listeners)) { - this.listeners[type] = []; - } - this.listeners[type].push(callback); - }; - - EventTarget.prototype.removeEventListener = function(type, callback){ - if(!(type in this.listeners)) { - return; - } - var stack = this.listeners[type]; - for(var i = 0, l = stack.length; i < l; i++){ - if(stack[i] === callback){ - stack.splice(i, 1); - return this.removeEventListener(type, callback); - } - } - }; - - EventTarget.prototype.dispatchEvent = function(event){ - if(!(event.type in this.listeners)) { - return; - } - var stack = this.listeners[event.type]; - event.target = this; - for(var i = 0, l = stack.length; i < l; i++) { - stack[i].call(this, event); - } - }; - - function MediaKeySystemAccessProxy( keysystem, access, configuration ) - { - this._keysystem = keysystem; - this._access = access; - this._configuration = configuration; - } - - Object.defineProperties( MediaKeySystemAccessProxy.prototype, { - keysystem: { get: function() { return this._keysystem; } } - }); - - MediaKeySystemAccessProxy.prototype.getConfiguration = function getConfiguration() - { - return this._configuration; - }; - - MediaKeySystemAccessProxy.prototype.createMediaKeys = function createMediaKeys() - { - return new Promise( function( resolve, reject ) { - - this._access.createMediaKeys() - .then( function( mediaKeys ) { resolve( new MediaKeysProxy( mediaKeys ) ); }) - .catch( function( error ) { reject( error ); } ); - - }.bind( this ) ); - }; - - function MediaKeysProxy( mediaKeys ) - { - this._mediaKeys = mediaKeys; - this._sessions = [ ]; - this._videoelement = undefined; - this._onTimeUpdateListener = MediaKeysProxy.prototype._onTimeUpdate.bind( this ); - } - - MediaKeysProxy.prototype._setVideoElement = function _setVideoElement( videoElement ) - { - if ( videoElement !== this._videoelement ) - { - if ( this._videoelement ) - { - this._videoelement.removeEventListener( 'timeupdate', this._onTimeUpdateListener ); - } - - this._videoelement = videoElement; - - if ( this._videoelement ) - { - this._videoelement.addEventListener( 'timeupdate', this._onTimeUpdateListener ); - } - } - }; - - MediaKeysProxy.prototype._onTimeUpdate = function( event ) - { - this._sessions.forEach( function( session ) { - - if ( session._sessionType === 'persistent-usage-record' ) - { - session._onTimeUpdate( event ); - } - - } ); - }; - - MediaKeysProxy.prototype._removeSession = function _removeSession( session ) - { - var index = this._sessions.indexOf( session ); - if ( index !== -1 ) this._sessions.splice( index, 1 ); - }; - - MediaKeysProxy.prototype.createSession = function createSession( sessionType ) - { - if ( !sessionType || sessionType === 'temporary' ) return this._mediaKeys.createSession(); - - var session = new MediaKeySessionProxy( this, sessionType ); - this._sessions.push( session ); - - return session; - }; - - MediaKeysProxy.prototype.setServerCertificate = function setServerCertificate( certificate ) - { - return this._mediaKeys.setServerCertificate( certificate ); - }; - - function MediaKeySessionProxy( mediaKeysProxy, sessionType ) - { - EventTarget.call( this ); - - this._mediaKeysProxy = mediaKeysProxy - this._sessionType = sessionType; - this._sessionId = ""; - - // MediaKeySessionProxy states - // 'created' - After initial creation - // 'loading' - Persistent license session waiting for key message to load stored keys - // 'active' - Normal active state - proxy all key messages - // 'removing' - Release message generated, waiting for ack - // 'closed' - Session closed - this._state = 'created'; - - this._closed = new Promise( function( resolve ) { this._resolveClosed = resolve; }.bind( this ) ); - } - - MediaKeySessionProxy.prototype = Object.create( EventTarget.prototype ); - - Object.defineProperties( MediaKeySessionProxy.prototype, { - - sessionId: { get: function() { return this._sessionId; } }, - expiration: { get: function() { return NaN; } }, - closed: { get: function() { return this._closed; } }, - keyStatuses:{ get: function() { return this._session.keyStatuses; } }, // TODO this will fail if examined too early - _kids: { get: function() { return this._keys.map( function( key ) { return key.kid; } ); } }, - }); - - MediaKeySessionProxy.prototype._createSession = function _createSession() - { - this._session = this._mediaKeysProxy._mediaKeys.createSession(); - - this._session.addEventListener( 'message', MediaKeySessionProxy.prototype._onMessage.bind( this ) ); - this._session.addEventListener( 'keystatuseschange', MediaKeySessionProxy.prototype._onKeyStatusesChange.bind( this ) ); - }; - - MediaKeySessionProxy.prototype._onMessage = function _onMessage( event ) - { - switch( this._state ) - { - case 'loading': - this._session.update( toUtf8( { keys: this._keys } ) ) - .then( function() { - this._state = 'active'; - this._loaded( true ); - }.bind(this)).catch( this._loadfailed ); - - break; - - case 'active': - this.dispatchEvent( event ); - break; - - default: - // Swallow the event - break; - } - }; - - MediaKeySessionProxy.prototype._onKeyStatusesChange = function _onKeyStatusesChange( event ) - { - switch( this._state ) - { - case 'active' : - case 'removing' : - this.dispatchEvent( event ); - break; - - default: - // Swallow the event - break; - } - }; - - MediaKeySessionProxy.prototype._onTimeUpdate = function _onTimeUpdate( event ) - { - if ( !this._firstTime ) this._firstTime = Date.now(); - this._latestTime = Date.now(); - this._store(); - }; - - MediaKeySessionProxy.prototype._queueMessage = function _queueMessage( messageType, message ) - { - setTimeout( function() { - - var messageAsArray = toUtf8( message ).buffer; - - this.dispatchEvent( new MediaKeyMessageEvent( 'message', { messageType: messageType, message: messageAsArray } ) ); - - }.bind( this ) ); - }; - - function _storageKey( sessionId ) - { - return sessionId; - } - - MediaKeySessionProxy.prototype._store = function _store() - { - var data; - - if ( this._sessionType === 'persistent-usage-record' ) - { - data = { kids: this._kids }; - if ( this._firstTime ) data.firstTime = this._firstTime; - if ( this._latestTime ) data.latestTime = this._latestTime; - } - else - { - data = { keys: this._keys }; - } - - window.localStorage.setItem( _storageKey( this._sessionId ), JSON.stringify( data ) ); - }; - - MediaKeySessionProxy.prototype._load = function _load( sessionId ) - { - var store = window.localStorage.getItem( _storageKey( sessionId ) ); - if ( store === null ) return false; - - var data; - try { data = JSON.parse( store ) } catch( error ) { - return false; - } - - if ( data.kids ) - { - this._sessionType = 'persistent-usage-record'; - this._keys = data.kids.map( function( kid ) { return { kid: kid }; } ); - if ( data.firstTime ) this._firstTime = data.firstTime; - if ( data.latestTime ) this._latestTime = data.latestTime; - } - else - { - this._sessionType = 'persistent-license'; - this._keys = data.keys; - } - - return true; - }; - - MediaKeySessionProxy.prototype._clear = function _clear() - { - window.localStorage.removeItem( _storageKey( this._sessionId ) ); - }; - - MediaKeySessionProxy.prototype.generateRequest = function generateRequest( initDataType, initData ) - { - if ( this._state !== 'created' ) return Promise.reject( new InvalidStateError() ); - - this._createSession(); - - this._state = 'active'; - - return this._session.generateRequest( initDataType, initData ) - .then( function() { - this._sessionId = Math.random().toString(36).slice(2); - }.bind( this ) ); - }; - - MediaKeySessionProxy.prototype.load = function load( sessionId ) - { - if ( this._state !== 'created' ) return Promise.reject( new InvalidStateError() ); - - return new Promise( function( resolve, reject ) { - - try - { - if ( !this._load( sessionId ) ) - { - resolve( false ); - - return; - } - - this._sessionId = sessionId; - - if ( this._sessionType === 'persistent-usage-record' ) - { - var msg = { kids: this._kids }; - if ( this._firstTime ) msg.firstTime = this._firstTime; - if ( this._latestTime ) msg.latestTime = this._latestTime; - - this._queueMessage( 'license-release', msg ); - - this._state = 'removing'; - - resolve( true ); - } - else - { - this._createSession(); - - this._state = 'loading'; - this._loaded = resolve; - this._loadfailed = reject; - - var initData = { kids: this._kids }; - - this._session.generateRequest( 'keyids', toUtf8( initData ) ); - } - } - catch( error ) - { - reject( error ); - } - }.bind( this ) ); - }; - - MediaKeySessionProxy.prototype.update = function update( response ) - { - return new Promise( function( resolve, reject ) { - - switch( this._state ) { - - case 'active' : - - var message = fromUtf8( response ); - - // JSON Web Key Set - this._keys = message.keys; - - this._store(); - - resolve( this._session.update( response ) ); - - break; - - case 'removing' : - - this._state = 'closed'; - - this._clear(); - - this._mediaKeysProxy._removeSession( this ); - - this._resolveClosed(); - - delete this._session; - - resolve(); - - break; - - default: - reject( new InvalidStateError() ); - } - - }.bind( this ) ); - }; - - MediaKeySessionProxy.prototype.close = function close() - { - if ( this._state === 'closed' ) return Promise.resolve(); - - this._state = 'closed'; - - this._mediaKeysProxy._removeSession( this ); - - this._resolveClosed(); - - var session = this._session; - if ( !session ) return Promise.resolve(); - - this._session = undefined; - - return session.close(); - }; - - MediaKeySessionProxy.prototype.remove = function remove() - { - if ( this._state !== 'active' || !this._session ) return Promise.reject( new DOMException('InvalidStateError('+this._state+')') ); - - this._state = 'removing'; - - this._mediaKeysProxy._removeSession( this ); - - return this._session.close() - .then( function() { - - var msg = { kids: this._kids }; - - if ( this._sessionType === 'persistent-usage-record' ) - { - if ( this._firstTime ) msg.firstTime = this._firstTime; - if ( this._latestTime ) msg.latestTime = this._latestTime; - } - - this._queueMessage( 'license-release', msg ); - - }.bind( this ) ) - }; - - HTMLMediaElement.prototype.setMediaKeys = function setMediaKeys( mediaKeys ) - { - if ( mediaKeys instanceof MediaKeysProxy ) - { - mediaKeys._setVideoElement( this ); - return _setMediaKeys.call( this, mediaKeys._mediaKeys ); - } - else - { - return _setMediaKeys.call( this, mediaKeys ); - } - }; - - navigator.requestMediaKeySystemAccess = function( keysystem, configurations ) - { - // First, see if this is supported by the platform - return new Promise( function( resolve, reject ) { - - _requestMediaKeySystemAccess( keysystem, configurations ) - .then( function( access ) { resolve( access ); } ) - .catch( function( error ) { - - if ( error instanceof TypeError ) reject( error ); - - if ( keysystem !== 'org.w3.clearkey' ) reject( error ); - - if ( !configurations.some( is_persistent_configuration ) ) reject( error ); - - // Shallow copy the configurations, swapping out the labels and omitting the sessiontypes - var configurations_copy = configurations.map( function( config, index ) { - - var config_copy = copy_configuration( config ); - config_copy.label = index.toString(); - return config_copy; - - } ); - - // And try again with these configurations - _requestMediaKeySystemAccess( keysystem, configurations_copy ) - .then( function( access ) { - - // Create the supported configuration based on the original request - var configuration = access.getConfiguration(), - original_configuration = configurations[ configuration.label ]; - - // If the original configuration did not need persistent session types, then we're done - if ( !is_persistent_configuration( original_configuration ) ) resolve( access ); - - // Create the configuration that we will return - var returned_configuration = copy_configuration( configuration ); - - if ( original_configuration.label ) - returned_configuration.label = original_configuration; - else - delete returned_configuration.label; - - returned_configuration.sessionTypes = original_configuration.sessionTypes; - - resolve( new MediaKeySystemAccessProxy( keysystem, access, returned_configuration ) ); - } ) - .catch( function( error ) { reject( error ); } ); - } ); - } ); - }; - - function is_persistent_configuration( configuration ) - { - return configuration.sessionTypes && - ( configuration.sessionTypes.indexOf( 'persistent-usage-record' ) !== -1 - || configuration.sessionTypes.indexOf( 'persistent-license' ) !== -1 ); - } - - function copy_configuration( src ) - { - var dst = {}; - [ 'label', 'initDataTypes', 'audioCapabilities', 'videoCapabilities', 'distinctiveIdenfifier', 'persistentState' ] - .forEach( function( item ) { if ( src[item] ) dst[item] = src[item]; } ); - return dst; - } -}()); |