rx-player
Version:
Canal+ HTML5 Video Player
58 lines (57 loc) • 2.37 kB
JavaScript
;
/**
* Copyright 2015 CANAL+ Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = getWebKitFairPlayInitData;
var byte_parsing_1 = require("../../utils/byte_parsing");
var string_parsing_1 = require("../../utils/string_parsing");
/**
* Create formatted fairplay initdata for WebKit createSession.
* Layout is :
* [initData][4 byte: idLength][idLength byte: id]
* [4 byte:certLength][certLength byte: cert]
* @param {Uint8Array} initDataBytes
* @param {Uint8Array} serverCertificateBytes
* @returns {Uint8Array}
*/
function getWebKitFairPlayInitData(initDataBytes, serverCertificateBytes) {
var initData = (0, byte_parsing_1.toUint8Array)(initDataBytes);
var serverCertificate = (0, byte_parsing_1.toUint8Array)(serverCertificateBytes);
var length = (0, byte_parsing_1.le4toi)(initData, 0);
if (length + 4 !== initData.length) {
throw new Error("Unsupported WebKit initData.");
}
var initDataUri = (0, string_parsing_1.utf16LEToStr)(initData);
var skdIndexInInitData = initDataUri.indexOf("skd://");
var contentIdStr = skdIndexInInitData > -1 ? initDataUri.substring(skdIndexInInitData + 6) : initDataUri;
var id = (0, string_parsing_1.strToUtf16LE)(contentIdStr);
var offset = 0;
var res = new Uint8Array(initData.byteLength +
/* id length */ 4 +
id.byteLength +
/* certificate length */ 4 +
serverCertificate.byteLength);
res.set(initData);
offset += initData.length;
res.set((0, byte_parsing_1.itole4)(id.byteLength), offset);
offset += 4;
res.set(id, offset);
offset += id.byteLength;
res.set((0, byte_parsing_1.itole4)(serverCertificate.byteLength), offset);
offset += 4;
res.set(serverCertificate, offset);
return res;
}