mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-26 17:46:26 +03:00
Jacob Trimble
e74ad98eaa
This allows the app to intercept media requests to modify its URLs. The callback accepts the URL for the request and returns a modified URL or null to use the original. Closes #148 Change-Id: I08352754ace05f318706fd93910097c0fa7696f0
92 lines
2.9 KiB
JavaScript
92 lines
2.9 KiB
JavaScript
/**
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* Copyright 2014 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @fileoverview Implements a license request.
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*/
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goog.provide('shaka.util.LicenseRequest');
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goog.require('shaka.player.Defaults');
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goog.require('shaka.util.AjaxRequest');
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goog.require('shaka.util.FailoverUri');
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/**
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* Creates a LicenseRequest. A LicenseRequest manages retries automatically.
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*
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* @param {string} url The URL.
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* @param {(ArrayBuffer|?string)} body The request's body.
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* @param {string} method The HTTP request method, which must be either 'GET'
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* or 'POST'.
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* @param {boolean} withCredentials True if cookies should be sent in
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* cross-domain license requests. If true, the browser will reject license
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* responses which use the wildcard header "Access-Control-Allow-Origin: *".
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* See http://goo.gl/pzY9F7 for more information.
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* @param {Object.<string, string>=} opt_extraHeaders Optional extra HTTP
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* request headers as key-value pairs.
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* @param {number=} opt_requestTimeout The timeout for a LicenseRequest in
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* seconds.
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*
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* @struct
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* @constructor
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*/
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shaka.util.LicenseRequest = function(
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url,
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body,
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method,
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withCredentials,
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opt_extraHeaders,
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opt_requestTimeout) {
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shaka.asserts.assert((method == 'GET') || (method == 'POST'));
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/** @private {!shaka.util.FailoverUri} */
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this.url_ = new shaka.util.FailoverUri(null, [new goog.Uri(url)]);
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/** @private {!shaka.util.AjaxRequest.Parameters} */
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this.parameters_ = new shaka.util.AjaxRequest.Parameters();
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this.parameters_.body = body;
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this.parameters_.method = method;
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this.parameters_.maxAttempts = 3;
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this.parameters_.withCredentials = withCredentials;
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var timeoutSeconds = opt_requestTimeout != null ?
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opt_requestTimeout : shaka.player.Defaults.LICENSE_REQUEST_TIMEOUT;
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this.parameters_.requestTimeoutMs = timeoutSeconds * 1000;
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// Clone the headers.
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var extraHeaders = opt_extraHeaders || {};
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for (var key in extraHeaders) {
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this.parameters_.requestHeaders[key] = extraHeaders[key];
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}
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};
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/**
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* Sends the license request.
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* @return {!Promise.<!Uint8Array>}
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*/
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shaka.util.LicenseRequest.prototype.send = function() {
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return this.url_.fetch(this.parameters_).then(
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/** @param {!ArrayBuffer|string} body */
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function(body) {
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var response = /** @type {!ArrayBuffer} */ (body);
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return Promise.resolve(new Uint8Array(response));
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}
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);
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};
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