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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /toolkit/modules/ServiceRequest.jsm
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const { classes: Cc, interfaces: Ci, results: Cr, utils: Cu } = Components;
+
+/**
+ * This module consolidates various code and data update requests, so flags
+ * can be set, Telemetry collected, etc. in a central place.
+ */
+
+Cu.import("resource://gre/modules/Log.jsm");
+Cu.importGlobalProperties(["XMLHttpRequest"]);
+
+this.EXPORTED_SYMBOLS = [ "ServiceRequest" ];
+
+const logger = Log.repository.getLogger("ServiceRequest");
+logger.level = Log.Level.Debug;
+logger.addAppender(new Log.ConsoleAppender(new Log.BasicFormatter()));
+
+/**
+ * ServiceRequest is intended to be a drop-in replacement for current users
+ * of XMLHttpRequest.
+ *
+ * @param {Object} options - Options for underlying XHR, e.g. { mozAnon: bool }
+ */
+class ServiceRequest extends XMLHttpRequest {
+ constructor(options) {
+ super(options);
+ }
+ /**
+ * Opens an XMLHttpRequest, and sets the NSS "beConservative" flag.
+ * Requests are always async.
+ *
+ * @param {String} method - HTTP method to use, e.g. "GET".
+ * @param {String} url - URL to open.
+ * @param {Object} options - Additional options (reserved for future use).
+ */
+ open(method, url, options) {
+ super.open(method, url, true);
+
+ // Disable cutting edge features, like TLS 1.3, where middleboxes might brick us
+ if (super.channel instanceof Ci.nsIHttpChannelInternal) {
+ super.channel.QueryInterface(Ci.nsIHttpChannelInternal).beConservative = true;
+ }
+ }
+}