127 lines
6.4 KiB
JavaScript
127 lines
6.4 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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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; }; }();
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var _events = require('../events');
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var _events2 = _interopRequireDefault(_events);
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var _eventHandler = require('../event-handler');
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var _eventHandler2 = _interopRequireDefault(_eventHandler);
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var _errors = require('../errors');
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var _logger = require('../utils/logger');
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /*
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* Decrypt key Loader
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*/
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var KeyLoader = function (_EventHandler) {
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_inherits(KeyLoader, _EventHandler);
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function KeyLoader(hls) {
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_classCallCheck(this, KeyLoader);
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var _this = _possibleConstructorReturn(this, (KeyLoader.__proto__ || Object.getPrototypeOf(KeyLoader)).call(this, hls, _events2.default.KEY_LOADING));
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_this.loaders = {};
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_this.decryptkey = null;
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_this.decrypturl = null;
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return _this;
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}
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_createClass(KeyLoader, [{
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key: 'destroy',
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value: function destroy() {
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for (var loaderName in this.loaders) {
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var loader = this.loaders[loaderName];
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if (loader) {
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loader.destroy();
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}
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}
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this.loaders = {};
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_eventHandler2.default.prototype.destroy.call(this);
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}
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}, {
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key: 'onKeyLoading',
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value: function onKeyLoading(data) {
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var frag = data.frag,
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type = frag.type,
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loader = this.loaders[type],
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decryptdata = frag.decryptdata,
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uri = decryptdata.uri;
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// if uri is different from previous one or if decrypt key not retrieved yet
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if (uri !== this.decrypturl || this.decryptkey === null) {
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var config = this.hls.config;
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if (loader) {
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_logger.logger.warn('abort previous key loader for type:' + type);
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loader.abort();
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}
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frag.loader = this.loaders[type] = new config.loader(config);
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this.decrypturl = uri;
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this.decryptkey = null;
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var loaderContext = void 0,
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loaderConfig = void 0,
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loaderCallbacks = void 0;
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loaderContext = { url: uri, frag: frag, responseType: 'arraybuffer' };
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loaderConfig = { timeout: config.fragLoadingTimeOut, maxRetry: config.fragLoadingMaxRetry, retryDelay: config.fragLoadingRetryDelay, maxRetryDelay: config.fragLoadingMaxRetryTimeout };
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loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this) };
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frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);
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} else if (this.decryptkey) {
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// we already loaded this key, return it
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decryptdata.key = this.decryptkey;
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this.hls.trigger(_events2.default.KEY_LOADED, { frag: frag });
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}
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}
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}, {
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key: 'loadsuccess',
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value: function loadsuccess(response, stats, context) {
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var frag = context.frag;
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this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data);
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// detach fragment loader on load success
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frag.loader = undefined;
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this.loaders[frag.type] = undefined;
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this.hls.trigger(_events2.default.KEY_LOADED, { frag: frag });
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}
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}, {
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key: 'loaderror',
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value: function loaderror(response, context) {
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var frag = context.frag,
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loader = frag.loader;
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if (loader) {
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loader.abort();
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}
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this.loaders[context.type] = undefined;
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this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag: frag, response: response });
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}
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}, {
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key: 'loadtimeout',
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value: function loadtimeout(stats, context) {
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var frag = context.frag,
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loader = frag.loader;
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if (loader) {
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loader.abort();
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}
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this.loaders[context.type] = undefined;
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this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag: frag });
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}
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}]);
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return KeyLoader;
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}(_eventHandler2.default);
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exports.default = KeyLoader; |