@l5i/dashjs/src/streaming/protection/servers/DRMToday.js

A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.

/**
 * 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.
 */

/**
 * CastLabs DRMToday License Server implementation
 *
 * @implements LicenseServer
 * @class
 */

import ProtectionConstants from '../../constants/ProtectionConstants';

function DRMToday(config) {

    config = config || {};
    const BASE64 = config.BASE64;

    const keySystems = {};
    keySystems[ProtectionConstants.WIDEVINE_KEYSTEM_STRING] = {
        responseType: 'json',
        getLicenseMessage: function (response) {
            return BASE64.decodeArray(response.license);
        },
        getErrorResponse: function (response) {
            return response;
        }
    };
    keySystems[ProtectionConstants.PLAYREADY_KEYSTEM_STRING] = {
        responseType: 'arraybuffer',
        getLicenseMessage: function (response) {
            return response;
        },
        getErrorResponse: function (response) {
            return String.fromCharCode.apply(null, new Uint8Array(response));
        }
    };

    let instance;

    function checkConfig() {
        if (!BASE64 || !BASE64.hasOwnProperty('decodeArray')) {
            throw new Error('Missing config parameter(s)');
        }
    }

    function getServerURLFromMessage(url /*, message, messageType*/) {
        return url;
    }

    function getHTTPMethod(/*messageType*/) {
        return 'POST';
    }

    function getResponseType(keySystemStr/*, messageType*/) {
        return keySystems[keySystemStr].responseType;
    }

    function getLicenseMessage(serverResponse, keySystemStr/*, messageType*/) {
        checkConfig();
        return keySystems[keySystemStr].getLicenseMessage(serverResponse);
    }

    function getErrorResponse(serverResponse, keySystemStr/*, messageType*/) {
        return keySystems[keySystemStr].getErrorResponse(serverResponse);
    }

    instance = {
        getServerURLFromMessage: getServerURLFromMessage,
        getHTTPMethod: getHTTPMethod,
        getResponseType: getResponseType,
        getLicenseMessage: getLicenseMessage,
        getErrorResponse: getErrorResponse
    };

    return instance;
}

DRMToday.__dashjs_factory_name = 'DRMToday';
export default dashjs.FactoryMaker.getSingletonFactory(DRMToday); /* jshint ignore:line */