Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/toolkit/modules/ServiceRequest.jsm b/toolkit/modules/ServiceRequest.jsm
new file mode 100644
index 0000000000..fdc1175e5a
--- /dev/null
+++ b/toolkit/modules/ServiceRequest.jsm
@@ -0,0 +1,52 @@
+/* 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";
+
+/**
+ * This module consolidates various code and data update requests, so flags
+ * can be set, Telemetry collected, etc. in a central place.
+ */
+
+const { Log } = ChromeUtils.import("resource://gre/modules/Log.jsm");
+const { XPCOMUtils } = ChromeUtils.import(
+  "resource://gre/modules/XPCOMUtils.jsm"
+);
+XPCOMUtils.defineLazyGlobalGetters(this, ["XMLHttpRequest"]);
+
+var 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;
+    }
+  }
+}