mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-17 16:26:39 +03:00
Joey Parrish
075af4ed4b
When possible, use xhr.responseURL to detect 302 redirects and make the information available in the Response object. Use redirect URI as BaseURL for manifest parsing. See also #225, #266 Change-Id: Ie24abeb3b8418b3e89fed6666eb525aecd74f03b
88 lines
2.8 KiB
JavaScript
88 lines
2.8 KiB
JavaScript
/**
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* @license
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* Copyright 2015 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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goog.provide('shaka.net.DataUriPlugin');
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goog.require('shaka.net.NetworkingEngine');
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goog.require('shaka.util.Error');
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goog.require('shaka.util.StringUtils');
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goog.require('shaka.util.Uint8ArrayUtils');
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/**
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* A plugin that makes data uri requests. This plugin is auto-registered
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* with the networking engine.
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*
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* @see https://developer.mozilla.org/en-US/docs/Web/HTTP/data_URIs
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* @param {string} uri
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* @param {shakaExtern.Request} request
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* @return {!Promise.<shakaExtern.Response>}
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*/
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shaka.net.DataUriPlugin = function(uri, request) {
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return new Promise(function(resolve, reject) {
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// Extract the scheme.
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var parts = uri.split(':');
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if (parts.length < 2 || parts[0] != 'data') {
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shaka.log.error('Bad data URI, failed to parse scheme');
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reject(new shaka.util.Error(
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shaka.util.Error.Category.NETWORK,
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shaka.util.Error.Code.MALFORMED_DATA_URI,
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uri));
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}
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var path = parts.slice(1).join(':');
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// Extract the encoding and MIME type (required but can be empty).
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var infoAndData = path.split(',');
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if (infoAndData.length < 2) {
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shaka.log.error('Bad data URI, failed to extract encoding and MIME type');
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reject(new shaka.util.Error(
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shaka.util.Error.Category.NETWORK,
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shaka.util.Error.Code.MALFORMED_DATA_URI,
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uri));
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}
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var info = infoAndData[0];
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var data = infoAndData.slice(1).join(',');
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// Extract the encoding (optional).
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var typeAndEncoding = info.split(';');
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var encoding = null;
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if (typeAndEncoding.length > 1)
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encoding = typeAndEncoding[1];
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// Convert the data.
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data = window.decodeURIComponent(data);
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if (encoding == 'base64') {
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data = shaka.util.StringUtils.fromBase64(data);
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} else if (encoding) {
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shaka.log.error('Bad data URI, unknown encoding');
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reject(new shaka.util.Error(
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shaka.util.Error.Category.NETWORK,
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shaka.util.Error.Code.UNKNOWN_DATA_URI_ENCODING,
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uri));
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}
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data = shaka.util.Uint8ArrayUtils.fromString(data).buffer;
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/** @type {shakaExtern.Response} */
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var response = {uri: uri, data: data, headers: {}};
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resolve(response);
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});
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};
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shaka.net.NetworkingEngine.registerScheme('data', shaka.net.DataUriPlugin);
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