rx-player
Version:
Canal+ HTML5 Video Player
174 lines (173 loc) • 9.99 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.
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
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case 4: _.label++; return { value: op[1], done: false };
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = getMediaKeysInfos;
var can_reuse_media_keys_1 = require("../../compat/can_reuse_media_keys");
var errors_1 = require("../../errors");
var log_1 = require("../../log");
var is_null_or_undefined_1 = require("../../utils/is_null_or_undefined");
var find_key_system_1 = require("./find_key_system");
var loaded_sessions_store_1 = require("./utils/loaded_sessions_store");
var media_keys_attacher_1 = require("./utils/media_keys_attacher");
var persistent_sessions_store_1 = require("./utils/persistent_sessions_store");
var server_certificate_store_1 = require("./utils/server_certificate_store");
/**
* @throws {EncryptedMediaError}
* @param {Object} keySystemOptions
* @returns {Object|null}
*/
function createPersistentSessionsStorage(keySystemOptions) {
var persistentLicenseConfig = keySystemOptions.persistentLicenseConfig;
if ((0, is_null_or_undefined_1.default)(persistentLicenseConfig)) {
return null;
}
log_1.default.debug("DRM: Set the given license storage");
return new persistent_sessions_store_1.default(persistentLicenseConfig);
}
/**
* Create a MediaKeys instance and associated structures (or just return the
* current ones if sufficient) based on a wanted configuration.
* @param {HTMLMediaElement} mediaElement - The HTMLMediaElement on which you
* will attach the MediaKeys instance.
* This Element is here only used to check if the current MediaKeys and
* MediaKeySystemAccess instances are sufficient
* @param {Array.<Object>} keySystemsConfigs - The key system configuration.
* Needed to ask the right MediaKeySystemAccess.
* @param {Object} cancelSignal - CancellationSignal allowing to cancel the
* creation of the MediaKeys instance while the task is still pending.
* @returns {Promise.<Object>}
*/
function getMediaKeysInfos(mediaElement, keySystemsConfigs, cancelSignal) {
return __awaiter(this, void 0, void 0, function () {
var evt, _a, options, mediaKeySystemAccess, askedConfiguration, codecSupport, currentState, persistentSessionsStore, mediaKeys_1, loadedSessionsStore_1, mediaKeys, loadedSessionsStore;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, (0, find_key_system_1.default)(mediaElement, keySystemsConfigs, cancelSignal)];
case 1:
evt = _b.sent();
if (cancelSignal.cancellationError !== null) {
throw cancelSignal.cancellationError;
}
_a = evt.value, options = _a.options, mediaKeySystemAccess = _a.mediaKeySystemAccess, askedConfiguration = _a.askedConfiguration, codecSupport = _a.codecSupport;
return [4 /*yield*/, media_keys_attacher_1.default.getAttachedMediaKeysState(mediaElement)];
case 2:
currentState = _b.sent();
persistentSessionsStore = createPersistentSessionsStorage(options);
if (evt.value.options.reuseMediaKeys !== false &&
(0, can_reuse_media_keys_1.default)() &&
currentState !== null &&
evt.type === "reuse-media-key-system-access") {
log_1.default.debug("DRM: Reusing already created MediaKeys");
mediaKeys_1 = currentState.mediaKeys, loadedSessionsStore_1 = currentState.loadedSessionsStore;
// We might just rely on the currently attached MediaKeys instance.
// First check if server certificate parameters are the same than in the
// current MediaKeys instance. If not, re-create MediaKeys from scratch.
if (server_certificate_store_1.default.hasOne(mediaKeys_1) === false ||
(!(0, is_null_or_undefined_1.default)(options.serverCertificate) &&
server_certificate_store_1.default.has(mediaKeys_1, options.serverCertificate))) {
return [2 /*return*/, {
mediaKeys: mediaKeys_1,
mediaKeySystemAccess: mediaKeySystemAccess,
askedConfiguration: askedConfiguration,
stores: { loadedSessionsStore: loadedSessionsStore_1, persistentSessionsStore: persistentSessionsStore },
options: options,
codecSupport: codecSupport,
}];
}
}
return [4 /*yield*/, createMediaKeys(mediaKeySystemAccess)];
case 3:
mediaKeys = _b.sent();
log_1.default.info("DRM: MediaKeys created with success");
loadedSessionsStore = new loaded_sessions_store_1.default(mediaKeys);
return [2 /*return*/, {
mediaKeys: mediaKeys,
mediaKeySystemAccess: mediaKeySystemAccess,
askedConfiguration: askedConfiguration,
stores: { loadedSessionsStore: loadedSessionsStore, persistentSessionsStore: persistentSessionsStore },
options: options,
codecSupport: codecSupport,
}];
}
});
});
}
/**
* Create `MediaKeys` from the `MediaKeySystemAccess` given.
* Throws the right formatted error if it fails.
* @param {MediaKeySystemAccess} mediaKeySystemAccess
* @returns {Promise.<MediaKeys>}
*/
function createMediaKeys(mediaKeySystemAccess) {
return __awaiter(this, void 0, void 0, function () {
var mediaKeys, error_1, message;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
log_1.default.info("DRM: Calling createMediaKeys on the MediaKeySystemAccess");
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, mediaKeySystemAccess.createMediaKeys()];
case 2:
mediaKeys = _a.sent();
return [2 /*return*/, mediaKeys];
case 3:
error_1 = _a.sent();
message = error_1 instanceof Error ? error_1.message : "Unknown error when creating MediaKeys.";
throw new errors_1.EncryptedMediaError("CREATE_MEDIA_KEYS_ERROR", message);
case 4: return [2 /*return*/];
}
});
});
}