@l5i/dashjs
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A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
47 lines (46 loc) • 4.04 kB
JavaScript
/**
* 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.
*/ /**
* @classdesc A collection of ClearKey encryption keys with an (optional) associated
* type
* @ignore
*/'use strict';Object.defineProperty(exports,'__esModule',{value:true});var _createClass=(function(){function defineProperties(target,props){for(var i=0;i < props.length;i++) {var descriptor=props[i];descriptor.enumerable = descriptor.enumerable || false;descriptor.configurable = true;if('value' in descriptor)descriptor.writable = true;Object.defineProperty(target,descriptor.key,descriptor);}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor;};})();function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError('Cannot call a class as a function');}}var ClearKeyKeySet=(function(){ /**
* @param {Array.<KeyPair>} keyPairs
* @param {string} type the type of keys in this set. One of either 'persistent'
* or 'temporary'. Can also be null or undefined.
* @class
* @ignore
*/function ClearKeyKeySet(keyPairs,type){_classCallCheck(this,ClearKeyKeySet);if(type && type !== 'persistent' && type !== 'temporary')throw new Error('Invalid ClearKey key set type! Must be one of \'persistent\' or \'temporary\'');this.keyPairs = keyPairs;this.type = type;} /**
* Convert this key set to its JSON Web Key (JWK) representation
*
* @return {ArrayBuffer} JWK object UTF-8 encoded as ArrayBuffer
*/_createClass(ClearKeyKeySet,[{key:'toJWK',value:function toJWK(){var i=undefined;var numKeys=this.keyPairs.length;var jwk={keys:[]};for(i = 0;i < numKeys;i++) {var key={kty:'oct',alg:'A128KW',kid:this.keyPairs[i].keyID,k:this.keyPairs[i].key};jwk.keys.push(key);}if(this.type){jwk.type = this.type;}var jwkString=JSON.stringify(jwk);var len=jwkString.length; // Convert JSON string to ArrayBuffer
var buf=new ArrayBuffer(len);var bView=new Uint8Array(buf);for(i = 0;i < len;i++) bView[i] = jwkString.charCodeAt(i);return buf;}}]);return ClearKeyKeySet;})();exports['default'] = ClearKeyKeySet;module.exports = exports['default'];
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