зеркало из https://github.com/mozilla/gecko-dev.git
120 строки
4.3 KiB
JavaScript
120 строки
4.3 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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var EXPORTED_SYMBOLS = [
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"Discovery",
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];
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const {XPCOMUtils} = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
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const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
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ChromeUtils.defineModuleGetter(this, "ClientID",
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"resource://gre/modules/ClientID.jsm");
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ChromeUtils.defineModuleGetter(this, "ContextualIdentityService",
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"resource://gre/modules/ContextualIdentityService.jsm");
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const RECOMMENDATION_ENABLED = "browser.discovery.enabled";
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const TELEMETRY_ENABLED = "datareporting.healthreport.uploadEnabled";
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const TAAR_COOKIE_NAME = "taarId";
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const Discovery = {
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set enabled(val) {
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val = !!val;
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if (val && !gTelemetryEnabled) {
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throw Error("unable to turn on recommendations");
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}
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Services.prefs.setBoolPref(RECOMMENDATION_ENABLED, val);
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},
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get enabled() {
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return gTelemetryEnabled && gRecommendationEnabled;
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},
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reset() {
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return DiscoveryInternal.update(true);
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},
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update() {
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return DiscoveryInternal.update();
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},
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};
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XPCOMUtils.defineLazyPreferenceGetter(this, "gRecommendationEnabled",
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RECOMMENDATION_ENABLED, false,
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Discovery.update);
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XPCOMUtils.defineLazyPreferenceGetter(this, "gTelemetryEnabled",
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TELEMETRY_ENABLED, false,
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Discovery.update);
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XPCOMUtils.defineLazyPreferenceGetter(this, "gCachedClientID",
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"toolkit.telemetry.cachedClientID", "",
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Discovery.reset);
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XPCOMUtils.defineLazyPreferenceGetter(this, "gContainersEnabled",
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"browser.discovery.containers.enabled", false,
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Discovery.reset);
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Services.obs.addObserver(Discovery.update, "contextual-identity-created");
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const DiscoveryInternal = {
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get sites() {
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delete this.sites;
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this.sites = Services.prefs.getCharPref("browser.discovery.sites", "").split(",");
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return this.sites;
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},
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getContextualIDs() {
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// There is never a zero id, this is just for use in update.
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let IDs = [0];
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if (gContainersEnabled) {
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ContextualIdentityService.getPublicIdentities().forEach(identity => {
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IDs.push(identity.userContextId);
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});
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}
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return IDs;
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},
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async update(reset = false) {
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if (reset || !Discovery.enabled) {
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for (let site of this.sites) {
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Services.cookies.remove(site, TAAR_COOKIE_NAME, "/", false, {});
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ContextualIdentityService.getPublicIdentities().forEach(identity => {
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let {userContextId} = identity;
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Services.cookies.remove(site, TAAR_COOKIE_NAME, "/", false, {userContextId});
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});
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}
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}
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if (Discovery.enabled) {
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// If the client id is not cached, wait for the notification that it is
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// cached. This will happen shortly after startup in TelemetryController.jsm.
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// When that happens, we'll get a pref notification for the cached id,
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// which will call update again.
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if (!gCachedClientID) {
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return;
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}
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let id = await ClientID.getClientIdHash();
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for (let site of this.sites) {
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// This cookie gets tied down as much as possible. Specifically,
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// SameSite, Secure, HttpOnly and non-PrivateBrowsing.
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for (let userContextId of this.getContextualIDs()) {
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let originAttributes = {privateBrowsingId: 0};
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if (userContextId > 0) {
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originAttributes.userContextId = userContextId;
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}
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if (Services.cookies.cookieExists(site, "/", TAAR_COOKIE_NAME, originAttributes)) {
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continue;
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}
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Services.cookies.add(site, "/", TAAR_COOKIE_NAME, id,
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true, // secure
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true, // httpOnly
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true, // session
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Date.now(),
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originAttributes,
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Ci.nsICookie2.SAMESITE_LAX);
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}
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}
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}
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},
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};
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