зеркало из https://github.com/mozilla/gecko-dev.git
130 строки
3.9 KiB
JavaScript
130 строки
3.9 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const {Preferences} = ChromeUtils.import("resource://gre/modules/Preferences.jsm");
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const {XPCOMUtils} = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
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this.EXPORTED_SYMBOLS = [
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"CertificateOverrideManager",
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"InsecureSweepingOverride",
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];
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const registrar =
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Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
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const sss = Cc["@mozilla.org/ssservice;1"]
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.getService(Ci.nsISiteSecurityService);
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const CERT_PINNING_ENFORCEMENT_PREF = "security.cert_pinning.enforcement_level";
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const CID = Components.ID("{4b67cce0-a51c-11e6-9598-0800200c9a66}");
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const CONTRACT_ID = "@mozilla.org/security/certoverride;1";
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const DESC = "All-encompassing cert service that matches on a bitflag";
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const HSTS_PRELOAD_LIST_PREF = "network.stricttransportsecurity.preloadlist";
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const Error = {
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Untrusted: 1,
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Mismatch: 2,
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Time: 4,
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};
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let currentOverride = null;
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/** TLS certificate service override management for Marionette. */
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class CertificateOverrideManager {
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/**
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* Installs a TLS certificate service override.
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*
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* The provided `service` must implement the `register` and `unregister`
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* functions that causes a new `nsICertOverrideService` interface
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* implementation to be registered with the `nsIComponentRegistrar`.
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*
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* After `service` is registered, `nsICertOverrideService` is
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* reinitialised to cause all Gecko components to pick up the
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* new service.
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*
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* If an override is already installed this functions acts as a no-op.
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*
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* @param {cert.Override} service
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* Service generator that registers and unregisters the XPCOM service.
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*
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* @throws {Components.Exception}
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* If unable to register or initialise `service`.
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*/
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static install(service) {
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if (currentOverride) {
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return;
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}
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service.register();
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currentOverride = service;
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}
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/**
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* Uninstall a TLS certificate service override.
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*
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* If there is no current override installed this function acts
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* as a no-op.
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*/
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static uninstall() {
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if (!currentOverride) {
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return;
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}
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currentOverride.unregister();
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currentOverride = null;
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}
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}
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this.CertificateOverrideManager = CertificateOverrideManager;
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/**
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* Certificate override service that acts in an all-inclusive manner
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* on TLS certificates.
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*
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* @throws {Components.Exception}
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* If there are any problems registering the service.
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*/
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function InsecureSweepingOverride() {
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// This needs to be an old-style class with a function constructor
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// and prototype assignment because... XPCOM. Any attempt at
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// modernisation will be met with cryptic error messages which will
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// make your life miserable.
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let service = function() {};
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service.prototype = {
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hasMatchingOverride(
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aHostName, aPort, aCert, aOverrideBits, aIsTemporary) {
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aIsTemporary.value = false;
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aOverrideBits.value = Error.Untrusted | Error.Mismatch | Error.Time;
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return true;
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},
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QueryInterface: ChromeUtils.generateQI([Ci.nsICertOverrideService]),
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};
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let factory = XPCOMUtils.generateSingletonFactory(service);
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return {
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register() {
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// make it possible to register certificate overrides for domains
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// that use HSTS or HPKP
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Preferences.set(HSTS_PRELOAD_LIST_PREF, false);
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Preferences.set(CERT_PINNING_ENFORCEMENT_PREF, 0);
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registrar.registerFactory(CID, DESC, CONTRACT_ID, factory);
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},
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unregister() {
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registrar.unregisterFactory(CID, factory);
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Preferences.reset(HSTS_PRELOAD_LIST_PREF);
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Preferences.reset(CERT_PINNING_ENFORCEMENT_PREF);
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// clear collected HSTS and HPKP state
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// through the site security service
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sss.clearAll();
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sss.clearPreloads();
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},
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};
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}
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this.InsecureSweepingOverride = InsecureSweepingOverride;
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