dashjs
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A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
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<!DOCTYPE html><html lang="en" style="font-size:16px"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" href="https://dashif.org/img/favicon.ico"><link type="text/css" rel="stylesheet" href="jsdoc-custom.css"><title>Source: streaming/protection/controllers/ProtectionKeyController.js</title><!--[if lt IE 9]>
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href="MediaPlayerEvents.html#event:BUFFER_LEVEL_UPDATED">BUFFER_LEVEL_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:BUFFER_LOADED">BUFFER_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAN_PLAY">CAN_PLAY</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAN_PLAY_THROUGH">CAN_PLAY_THROUGH</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAPTION_CONTAINER_RESIZE">CAPTION_CONTAINER_RESIZE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAPTION_RENDERED">CAPTION_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CONFORMANCE_VIOLATION">CONFORMANCE_VIOLATION</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CONTENT_STEERING_REQUEST_COMPLETED">CONTENT_STEERING_REQUEST_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CUE_ENTER">CUE_ENTER</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CUE_ENTER">CUE_ENTER</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DVB_FONT_DOWNLOAD_ADDED">DVB_FONT_DOWNLOAD_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DVB_FONT_DOWNLOAD_COMPLETE">DVB_FONT_DOWNLOAD_COMPLETE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DVB_FONT_DOWNLOAD_FAILED">DVB_FONT_DOWNLOAD_FAILED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DYNAMIC_TO_STATIC">DYNAMIC_TO_STATIC</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:ERROR">ERROR</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:EVENT_MODE_ON_RECEIVE">EVENT_MODE_ON_RECEIVE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:EVENT_MODE_ON_START">EVENT_MODE_ON_START</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_ABANDONED">FRAGMENT_LOADING_ABANDONED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_COMPLETED">FRAGMENT_LOADING_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_PROGRESS">FRAGMENT_LOADING_PROGRESS</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_STARTED">FRAGMENT_LOADING_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:INBAND_PRFT">INBAND_PRFT</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:LOG">LOG</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADED">MANIFEST_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADING_FINISHED">MANIFEST_LOADING_FINISHED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADING_STARTED">MANIFEST_LOADING_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_VALIDITY_CHANGED">MANIFEST_VALIDITY_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_ADDED">METRIC_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_CHANGED">METRIC_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_UPDATED">METRIC_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRICS_CHANGED">METRICS_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PERIOD_SWITCH_COMPLETED">PERIOD_SWITCH_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PERIOD_SWITCH_STARTED">PERIOD_SWITCH_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_ENDED">PLAYBACK_ENDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_ERROR">PLAYBACK_ERROR</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_LOADED_DATA">PLAYBACK_LOADED_DATA</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_METADATA_LOADED">PLAYBACK_METADATA_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_NOT_ALLOWED">PLAYBACK_NOT_ALLOWED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PAUSED">PLAYBACK_PAUSED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PLAYING">PLAYBACK_PLAYING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PROGRESS">PLAYBACK_PROGRESS</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_RATE_CHANGED">PLAYBACK_RATE_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_SEEKED">PLAYBACK_SEEKED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_SEEKING">PLAYBACK_SEEKING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_STALLED">PLAYBACK_STALLED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_STARTED">PLAYBACK_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_TIME_UPDATED">PLAYBACK_TIME_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_VOLUME_CHANGED">PLAYBACK_VOLUME_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_WAITING">PLAYBACK_WAITING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:QUALITY_CHANGE_RENDERED">QUALITY_CHANGE_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:QUALITY_CHANGE_REQUESTED">QUALITY_CHANGE_REQUESTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:REPRESENTATION_SWITCH">REPRESENTATION_SWITCH</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_ACTIVATED">STREAM_ACTIVATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_DEACTIVATED">STREAM_DEACTIVATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_INITIALIZED">STREAM_INITIALIZED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_INITIALIZING">STREAM_INITIALIZING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_TEARDOWN_COMPLETE">STREAM_TEARDOWN_COMPLETE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_UPDATED">STREAM_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TEXT_TRACK_ADDED">TEXT_TRACK_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TEXT_TRACKS_ADDED">TEXT_TRACKS_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:THROUGHPUT_MEASUREMENT_STORED">THROUGHPUT_MEASUREMENT_STORED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TRACK_CHANGE_RENDERED">TRACK_CHANGE_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TTML_PARSED">TTML_PARSED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TTML_TO_PARSE">TTML_TO_PARSE</a></div><div class="sidebar-section-children"><a href="MetricsReportingEvents.html#event:CMCD_DATA_GENERATED">CMCD_DATA_GENERATED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_FINISHED">OFFLINE_RECORD_FINISHED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_LOADEDMETADATA">OFFLINE_RECORD_LOADEDMETADATA</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_STARTED">OFFLINE_RECORD_STARTED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_STOPPED">OFFLINE_RECORD_STOPPED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_ADDED">KEY_ADDED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_ERROR">KEY_ERROR</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_MESSAGE">KEY_MESSAGE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_CLOSED">KEY_SESSION_CLOSED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_CREATED">KEY_SESSION_CREATED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_REMOVED">KEY_SESSION_REMOVED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_STATUSES_CHANGED">KEY_STATUSES_CHANGED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SYSTEM_ACCESS_COMPLETE">KEY_SYSTEM_ACCESS_COMPLETE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SYSTEM_SELECTED">KEY_SYSTEM_SELECTED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:LICENSE_REQUEST_COMPLETE">LICENSE_REQUEST_COMPLETE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:LICENSE_REQUEST_SENDING">LICENSE_REQUEST_SENDING</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:PROTECTION_CREATED">PROTECTION_CREATED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:PROTECTION_DESTROYED">PROTECTION_DESTROYED</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-global"><div>Global</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="global.html#LICENSE_SERVER_MANIFEST_CONFIGURATIONS">LICENSE_SERVER_MANIFEST_CONFIGURATIONS</a></div><div class="sidebar-section-children"><a href="global.html#MediaType">MediaType</a></div></div></div></div></div><div class="navbar-container" id="VuAckcnZhf"><nav class="navbar"><div class="navbar-left-items"></div><div class="navbar-right-items"><div class="navbar-right-item"><button class="icon-button search-button" aria-label="open-search"><svg><use xlink:href="#search-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button theme-toggle" aria-label="toggle-theme"><svg><use class="theme-svg-use" xlink:href="#dark-theme-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button font-size" aria-label="change-font-size"><svg><use xlink:href="#font-size-icon"></use></svg></button></div></div><nav></nav></nav></div><div class="toc-container"><div class="toc-content"><span class="bold">On this page</span><div id="eed4d2a0bfd64539bb9df78095dec881"></div></div></div><div class="body-wrapper"><div class="main-content"><div class="main-wrapper"><section id="source-page" class="source-page"><header><h1 id="title" class="has-anchor">streaming_protection_controllers_ProtectionKeyController.js</h1></header><article><pre class="prettyprint source lang-js"><code>/**
* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and contributor
* rights, including patent rights, and no such rights are granted under this license.
*
* Copyright (c) 2013, Dash Industry Forum.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * Neither the name of Dash Industry Forum nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import CommonEncryption from './../CommonEncryption';
import KeySystemClearKey from './../drm/KeySystemClearKey';
import KeySystemW3CClearKey from './../drm/KeySystemW3CClearKey';
import KeySystemWidevine from './../drm/KeySystemWidevine';
import KeySystemPlayReady from './../drm/KeySystemPlayReady';
import DRMToday from './../servers/DRMToday';
import PlayReady from './../servers/PlayReady';
import Widevine from './../servers/Widevine';
import ClearKey from './../servers/ClearKey';
import ProtectionConstants from '../../constants/ProtectionConstants';
/**
* @module ProtectionKeyController
* @ignore
* @description Media protection key system functionality that can be modified/overridden by applications
*/
function ProtectionKeyController() {
let context = this.context;
let instance,
debug,
logger,
keySystems,
BASE64,
settings,
clearkeyKeySystem,
clearkeyW3CKeySystem;
function setConfig(config) {
if (!config) return;
if (config.debug) {
debug = config.debug;
logger = debug.getLogger(instance);
}
if (config.BASE64) {
BASE64 = config.BASE64;
}
if(config.settings) {
settings = config.settings
}
}
function initialize() {
keySystems = [];
let keySystem;
// PlayReady
keySystem = KeySystemPlayReady(context).getInstance({BASE64: BASE64, settings: settings});
keySystems.push(keySystem);
// Widevine
keySystem = KeySystemWidevine(context).getInstance({BASE64: BASE64});
keySystems.push(keySystem);
// ClearKey
keySystem = KeySystemClearKey(context).getInstance({BASE64: BASE64});
keySystems.push(keySystem);
clearkeyKeySystem = keySystem;
// W3C ClearKey
keySystem = KeySystemW3CClearKey(context).getInstance({BASE64: BASE64, debug: debug});
keySystems.push(keySystem);
clearkeyW3CKeySystem = keySystem;
}
/**
* Returns a prioritized list of key systems supported
* by this player (not necessarily those supported by the
* user agent)
*
* @returns {Array.<KeySystem>} a prioritized
* list of key systems
* @memberof module:ProtectionKeyController
* @instance
*/
function getKeySystems() {
return keySystems;
}
/**
* Sets the prioritized list of key systems to be supported
* by this player.
*
* @param {Array.<KeySystem>} newKeySystems the new prioritized
* list of key systems
* @memberof module:ProtectionKeyController
* @instance
*/
function setKeySystems(newKeySystems) {
keySystems = newKeySystems;
}
/**
* Returns the key system associated with the given key system string
* name (i.e. 'org.w3.clearkey')
*
* @param {string} systemString the system string
* @returns {KeySystem|null} the key system
* or null if no supported key system is associated with the given key
* system string
* @memberof module:ProtectionKeyController
* @instance
*/
function getKeySystemBySystemString(systemString) {
for (let i = 0; i < keySystems.length; i++) {
if (keySystems[i].systemString === systemString) {
return keySystems[i];
}
}
return null;
}
/**
* Determines whether the given key system is ClearKey. This is
* necessary because the EME spec defines ClearKey and its method
* for providing keys to the key session; and this method has changed
* between the various API versions. Our EME-specific ProtectionModels
* must know if the system is ClearKey so that it can format the keys
* according to the particular spec version.
*
* @param {Object} keySystem the key
* @returns {boolean} true if this is the ClearKey key system, false
* otherwise
* @memberof module:ProtectionKeyController
* @instance
*/
function isClearKey(keySystem) {
return (keySystem === clearkeyKeySystem || keySystem === clearkeyW3CKeySystem);
}
/**
* Check equality of initData array buffers.
*
* @param {ArrayBuffer} initData1 - first initData
* @param {ArrayBuffer} initData2 - second initData
* @returns {boolean} true if the initData arrays are equal in size and
* contents, false otherwise
* @memberof module:ProtectionKeyController
* @instance
*/
function initDataEquals(initData1, initData2) {
if (initData1.byteLength === initData2.byteLength) {
let data1 = new Uint8Array(initData1);
let data2 = new Uint8Array(initData2);
for (let j = 0; j < data1.length; j++) {
if (data1[j] !== data2[j]) {
return false;
}
}
return true;
}
return false;
}
/**
* Returns a set of supported key systems and CENC initialization data
* from the given array of ContentProtection elements. Only
* key systems that are supported by this player will be returned.
* Key systems are returned in priority order (highest first).
*
* @param {Array.<Object>} cps - array of content protection elements parsed
* from the manifest
* @param {ProtectionData} protDataSet user specified protection data - license server url etc
* supported by the content
* @param {string} default session type
* @returns {Array.<Object>} array of objects indicating which supported key
* systems were found. Empty array is returned if no
* supported key systems were found
* @memberof module:ProtectionKeyController
* @instance
*/
function getSupportedKeySystemsFromContentProtection(cps, protDataSet, sessionType) {
let cp, ks, ksIdx, cpIdx;
let supportedKS = [];
if (cps) {
const cencContentProtection = CommonEncryption.findCencContentProtection(cps);
for (ksIdx = 0; ksIdx < keySystems.length; ++ksIdx) {
ks = keySystems[ksIdx];
// Get protection data that applies for current key system
const protData = _getProtDataForKeySystem(ks.systemString, protDataSet);
for (cpIdx = 0; cpIdx < cps.length; ++cpIdx) {
cp = cps[cpIdx];
if (cp.schemeIdUri.toLowerCase() === ks.schemeIdURI) {
// Look for DRM-specific ContentProtection
let initData = ks.getInitData(cp, cencContentProtection);
supportedKS.push({
ks: keySystems[ksIdx],
keyId: cp.keyId,
initData: initData,
protData: protData,
cdmData: ks.getCDMData(protData ? protData.cdmData : null),
sessionId: _getSessionId(protData, cp),
sessionType: _getSessionType(protData, sessionType)
});
}
}
}
}
return supportedKS;
}
/**
* Returns key systems supported by this player for the given PSSH
* initializationData. Key systems are returned in priority order
* (highest priority first)
*
* @param {ArrayBuffer} initData Concatenated PSSH data for all DRMs
* supported by the content
* @param {ProtectionData} protDataSet user specified protection data - license server url etc
* supported by the content
* @param {string} default session type
* @returns {Array.<Object>} array of objects indicating which supported key
* systems were found. Empty array is returned if no
* supported key systems were found
* @memberof module:ProtectionKeyController
* @instance
*/
function getSupportedKeySystemsFromSegmentPssh(initData, protDataSet, sessionType) {
let supportedKS = [];
let pssh = CommonEncryption.parsePSSHList(initData);
let ks, keySystemString;
for (let ksIdx = 0; ksIdx < keySystems.length; ++ksIdx) {
ks = keySystems[ksIdx];
keySystemString = ks.systemString;
// Get protection data that applies for current key system
const protData = _getProtDataForKeySystem(keySystemString, protDataSet);
if (ks.uuid in pssh) {
supportedKS.push({
ks: ks,
initData: pssh[ks.uuid],
protData: protData,
cdmData: ks.getCDMData(protData ? protData.cdmData : null),
sessionId: _getSessionId(protData),
sessionType: _getSessionType(protData, sessionType)
});
}
}
return supportedKS;
}
/**
* Returns the license server implementation data that should be used for this request.
*
* @param {KeySystem} keySystem the key system
* associated with this license request
* @param {ProtectionData} protData protection data to use for the
* request
* @param {string} [messageType="license-request"] the message type associated with this
* request. Supported message types can be found
* {@link https://w3c.github.io/encrypted-media/#idl-def-MediaKeyMessageType|here}.
* @returns {LicenseServer|null} the license server
* implementation that should be used for this request or null if the player should not
* pass messages of the given type to a license server
* @memberof module:ProtectionKeyController
* @instance
*
*/
function getLicenseServerModelInstance(keySystem, protData, messageType) {
// Our default server implementations do not do anything with "license-release" or
// "individualization-request" messages, so we just send a success event
if (messageType === 'license-release' || messageType === 'individualization-request') {
return null;
}
let licenseServerData = null;
if (protData && protData.hasOwnProperty('drmtoday')) {
licenseServerData = DRMToday(context).getInstance({BASE64: BASE64});
} else if (keySystem.systemString === ProtectionConstants.WIDEVINE_KEYSTEM_STRING) {
licenseServerData = Widevine(context).getInstance();
} else if (keySystem.systemString === ProtectionConstants.PLAYREADY_KEYSTEM_STRING) {
licenseServerData = PlayReady(context).getInstance();
} else if (keySystem.systemString === ProtectionConstants.CLEARKEY_KEYSTEM_STRING) {
licenseServerData = ClearKey(context).getInstance();
}
return licenseServerData;
}
/**
* Allows application-specific retrieval of ClearKey keys.
*
* @param {KeySystem} clearkeyKeySystem They exact ClearKey System to be used
* @param {ProtectionData} protData protection data to use for the
* request
* @param {ArrayBuffer} message the key message from the CDM
* @return {ClearKeyKeySet|null} the clear keys associated with
* the request or null if no keys can be returned by this function
* @memberof module:ProtectionKeyController
* @instance
*/
function processClearKeyLicenseRequest(clearkeyKeySystem, protData, message) {
try {
return clearkeyKeySystem.getClearKeysFromProtectionData(protData, message);
} catch (error) {
logger.error('Failed to retrieve clearkeys from ProtectionData');
return null;
}
}
function setProtectionData(protectionDataSet) {
var getProtectionData = function (keySystemString) {
var protData = null;
if (protectionDataSet) {
protData = (keySystemString in protectionDataSet) ? protectionDataSet[keySystemString] : null;
}
return protData;
};
for (var i = 0; i < keySystems.length; i++) {
var keySystem = keySystems[i];
if (keySystem.hasOwnProperty('init')) {
keySystem.init(getProtectionData(keySystem.systemString));
}
}
}
function _getProtDataForKeySystem(systemString, protDataSet) {
if (!protDataSet) return null;
return (systemString in protDataSet) ? protDataSet[systemString] : null;
}
function _getSessionId(protData, cp) {
// Get sessionId from protectionData or from manifest (ContentProtection)
if (protData && protData.sessionId) {
return protData.sessionId;
} else if (cp && cp.sessionId) {
return cp.sessionId;
}
return null;
}
function _getSessionType(protData, sessionType) {
return (protData && protData.sessionType) ? protData.sessionType : sessionType;
}
instance = {
initialize,
setProtectionData,
isClearKey,
initDataEquals,
getKeySystems,
setKeySystems,
getKeySystemBySystemString,
getSupportedKeySystemsFromContentProtection,
getSupportedKeySystemsFromSegmentPssh,
getLicenseServerModelInstance,
processClearKeyLicenseRequest,
setConfig
};
return instance;
}
ProtectionKeyController.__dashjs_factory_name = 'ProtectionKeyController';
export default dashjs.FactoryMaker.getSingletonFactory(ProtectionKeyController); /* jshint ignore:line */
</code></pre></article></section></div></div></div><div class="search-container" id="PkfLWpAbet" style="display:none"><div class="wrapper" id="iCxFxjkHbP"><button class="icon-button search-close-button" id="VjLlGakifb" aria-label="close search"><svg><use xlink:href="#close-icon"></use></svg></button><div class="search-box-c"><svg><use xlink:href="#search-icon"></use></svg> <input type="text" id="vpcKVYIppa" class="search-input" placeholder="Search..." autofocus></div><div class="search-result-c" id="fWwVHRuDuN"><span class="search-result-c-text">Type anything to view search result</span></div></div></div><div class="mobile-menu-icon-container"><button class="icon-button" id="mobile-menu" data-isopen="false" aria-label="menu"><svg><use xlink:href="#menu-icon"></use></svg></button></div><div id="mobile-sidebar" class="mobile-sidebar-container"><div class="mobile-sidebar-wrapper"><a href="/" class="sidebar-title sidebar-title-anchor">Home</a><div class="mobile-nav-links"></div><div 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