50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { classes: Cc, interfaces: Ci, results: Cr, utils: Cu } = Components;
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/**
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* This module consolidates various code and data update requests, so flags
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* can be set, Telemetry collected, etc. in a central place.
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*/
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Cu.import("resource://gre/modules/Log.jsm");
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Cu.importGlobalProperties(["XMLHttpRequest"]);
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this.EXPORTED_SYMBOLS = [ "ServiceRequest" ];
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const logger = Log.repository.getLogger("ServiceRequest");
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logger.level = Log.Level.Debug;
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logger.addAppender(new Log.ConsoleAppender(new Log.BasicFormatter()));
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/**
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* ServiceRequest is intended to be a drop-in replacement for current users
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* of XMLHttpRequest.
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*
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* @param {Object} options - Options for underlying XHR, e.g. { mozAnon: bool }
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*/
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class ServiceRequest extends XMLHttpRequest {
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constructor(options) {
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super(options);
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}
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/**
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* Opens an XMLHttpRequest, and sets the NSS "beConservative" flag.
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* Requests are always async.
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*
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* @param {String} method - HTTP method to use, e.g. "GET".
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* @param {String} url - URL to open.
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* @param {Object} options - Additional options (reserved for future use).
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*/
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open(method, url, options) {
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super.open(method, url, true);
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// Disable cutting edge features, like TLS 1.3, where middleboxes might brick us
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if (super.channel instanceof Ci.nsIHttpChannelInternal) {
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super.channel.QueryInterface(Ci.nsIHttpChannelInternal).beConservative = true;
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}
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}
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}
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