Source: lib/net/http_plugin_utils.js

  1. /**
  2.  * @license
  3.  * Copyright 2016 Google Inc.
  4.  *
  5.  * Licensed under the Apache License, Version 2.0 (the "License");
  6.  * you may not use this file except in compliance with the License.
  7.  * You may obtain a copy of the License at
  8.  *
  9.  *     http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  18. goog.provide('shaka.net.HttpPluginUtils');
  20. goog.require('shaka.log');
  21. goog.require('shaka.util.Error');
  22. goog.require('shaka.util.StringUtils');
  25. /**
  26.  * @namespace shaka.net.HttpPluginUtils
  27.  * @summary A set of http networking utility functions.
  28.  * @exportDoc
  29.  */
  32. /**
  33.  * @param {!Object.<string,string>} headers
  34.  * @param {?ArrayBuffer} data
  35.  * @param {number} status
  36.  * @param {string} uri
  37.  * @param {string} responseURL
  38.  * @param {shaka.net.NetworkingEngine.RequestType} requestType
  39.  * @return {!shakaExtern.Response}
  40.  */
  41. shaka.net.HttpPluginUtils.makeResponse =
  42.     function(headers, data, status, uri, responseURL, requestType) {
  43.   if (status >= 200 && status <= 299 && status != 202) {
  44.     // Most 2xx HTTP codes are success cases.
  45.     if (responseURL) {
  46.       uri = responseURL;
  47.     }
  48.     /** @type {shakaExtern.Response} */
  49.     let response = {
  50.       uri: uri,
  51.       data: data,
  52.       headers: headers,
  53.       fromCache: !!headers['x-shaka-from-cache']
  54.     };
  55.     return response;
  56.   } else {
  57.     let responseText = null;
  58.     try {
  59.       responseText = shaka.util.StringUtils.fromBytesAutoDetect(data);
  60.     } catch (exception) {}
  61.     shaka.log.debug('HTTP error text:', responseText);
  63.     let severity = status == 401 || status == 403 ?
  64.         shaka.util.Error.Severity.CRITICAL :
  65.         shaka.util.Error.Severity.RECOVERABLE;
  66.     throw new shaka.util.Error(
  67.         severity,
  68.         shaka.util.Error.Category.NETWORK,
  69.         shaka.util.Error.Code.BAD_HTTP_STATUS,
  70.         uri,
  71.         status,
  72.         responseText,
  73.         headers,
  74.         requestType);
  75.   }
  76. };