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b1970e6a2f
These are raised as redeclares or unused variables by ESLint 6. Differential Revision: https://phabricator.services.mozilla.com/D37268 --HG-- extra : moz-landing-system : lando
504 lines
15 KiB
JavaScript
504 lines
15 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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const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
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const { XPCOMUtils } = ChromeUtils.import(
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"resource://gre/modules/XPCOMUtils.jsm"
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);
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const { Integration } = ChromeUtils.import(
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"resource://gre/modules/Integration.jsm"
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);
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XPCOMUtils.defineLazyModuleGetters(this, {
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Accounts: "resource://gre/modules/Accounts.jsm",
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Downloads: "resource://gre/modules/Downloads.jsm",
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EventDispatcher: "resource://gre/modules/Messaging.jsm",
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FormHistory: "resource://gre/modules/FormHistory.jsm",
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OfflineAppCacheHelper: "resource://gre/modules/offlineAppCache.jsm",
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OS: "resource://gre/modules/osfile.jsm",
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ServiceWorkerCleanUp: "resource://gre/modules/ServiceWorkerCleanUp.jsm",
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});
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XPCOMUtils.defineLazyServiceGetters(this, {
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quotaManagerService: [
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"@mozilla.org/dom/quota-manager-service;1",
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"nsIQuotaManagerService",
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],
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});
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/* global DownloadIntegration */
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Integration.downloads.defineModuleGetter(
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this,
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"DownloadIntegration",
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"resource://gre/modules/DownloadIntegration.jsm"
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);
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var EXPORTED_SYMBOLS = ["Sanitizer"];
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function Sanitizer() {}
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Sanitizer.prototype = {
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clearItem: function(aItemName, startTime, clearUnfinishedDownloads) {
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// Only a subset of items support deletion with startTime.
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// Those who do not will be rejected with error message.
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if (typeof startTime != "undefined") {
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switch (aItemName) {
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// Normal call to DownloadFiles remove actual data from storage, but our web-extension consumer
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// deletes only download history. So, for this reason we are passing a flag 'deleteFiles'.
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case "downloadHistory":
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return this._clear("downloadFiles", {
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startTime,
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deleteFiles: false,
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});
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case "formdata":
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return this._clear(aItemName, { startTime });
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default:
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return Promise.reject({
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message: `Invalid argument: ${aItemName} does not support startTime argument.`,
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});
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}
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} else if (
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aItemName === "downloadFiles" &&
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typeof clearUnfinishedDownloads != "undefined"
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) {
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return this._clear(aItemName, { clearUnfinishedDownloads });
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} else {
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return this._clear(aItemName);
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}
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},
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_clear: function(aItemName, options) {
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let item = this.items[aItemName];
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let canClear = item.canClear;
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if (typeof canClear == "function") {
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let maybeDoClear = async () => {
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let canClearResult = await new Promise(resolve => {
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canClear(resolve);
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});
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if (canClearResult) {
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return item.clear(options);
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}
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};
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return maybeDoClear();
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} else if (canClear) {
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return item.clear(options);
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}
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},
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// This code is mostly based on the Sanitizer code for desktop Firefox
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// (browser/modules/Sanitzer.jsm), however over the course of time some
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// general differences have evolved:
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// - async shutdown (and seenException handling) isn't implemented in Fennec
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// - currently there is only limited support for range-based clearing of data
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// Any further specific differences caused by architectural differences between
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// Fennec and desktop Firefox are documented below for each item.
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items: {
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// The difference is specifically the Sanitize:Cache message,
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// so that the Android front-end can clear its caches as well,
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// while everything else is unchanged.
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cache: {
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clear: function() {
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let refObj = {};
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TelemetryStopwatch.start("FX_SANITIZE_CACHE", refObj);
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try {
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Services.cache2.clear();
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} catch (er) {}
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let imageCache = Cc["@mozilla.org/image/tools;1"]
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.getService(Ci.imgITools)
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.getImgCacheForDocument(null);
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try {
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imageCache.clearCache(false); // true=chrome, false=content
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} catch (er) {}
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return EventDispatcher.instance
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.sendRequestForResult({ type: "Sanitize:Cache" })
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.catch(err => {
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Cu.reportError(
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`Java-side cache clearing failed with error: ${err}`
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);
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})
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.then(() => {
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TelemetryStopwatch.finish("FX_SANITIZE_CACHE", refObj);
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});
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},
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get canClear() {
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return true;
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},
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},
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// Compared to desktop, we don't clear plugin data, as plugins
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// aren't supported on Android.
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cookies: {
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clear: function() {
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return new Promise(function(resolve, reject) {
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let refObj = {};
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TelemetryStopwatch.start("FX_SANITIZE_COOKIES_2", refObj);
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Services.cookies.removeAll();
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TelemetryStopwatch.finish("FX_SANITIZE_COOKIES_2", refObj);
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// Clear deviceIds. Done asynchronously (returns before complete).
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try {
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let mediaMgr = Cc["@mozilla.org/mediaManagerService;1"].getService(
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Ci.nsIMediaManagerService
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);
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mediaMgr.sanitizeDeviceIds(0);
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} catch (er) {}
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resolve();
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});
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},
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get canClear() {
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return true;
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},
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},
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// Same as desktop Firefox.
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siteSettings: {
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async clear() {
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let refObj = {};
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TelemetryStopwatch.start("FX_SANITIZE_SITESETTINGS", refObj);
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// Clear site-specific permissions like "Allow this site to open popups"
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Services.perms.removeAll();
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// Clear site-specific settings like page-zoom level
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Cc["@mozilla.org/content-pref/service;1"]
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.getService(Ci.nsIContentPrefService2)
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.removeAllDomains(null);
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// Clear site security settings
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var sss = Cc["@mozilla.org/ssservice;1"].getService(
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Ci.nsISiteSecurityService
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);
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sss.clearAll();
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// Clear push subscriptions
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await new Promise((resolve, reject) => {
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let push = Cc["@mozilla.org/push/Service;1"].getService(
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Ci.nsIPushService
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);
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push.clearForDomain("*", status => {
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if (Components.isSuccessCode(status)) {
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resolve();
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} else {
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reject(new Error("Error clearing push subscriptions: " + status));
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}
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});
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});
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TelemetryStopwatch.finish("FX_SANITIZE_SITESETTINGS", refObj);
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},
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get canClear() {
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return true;
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},
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},
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// Same as desktop Firefox.
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offlineApps: {
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async clear() {
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// AppCache
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// This doesn't wait for the cleanup to be complete.
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OfflineAppCacheHelper.clear();
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// LocalStorage
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Services.obs.notifyObservers(null, "extension:purge-localStorage");
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// ServiceWorkers
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await ServiceWorkerCleanUp.removeAll();
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// QuotaManager
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let promises = [];
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await new Promise(resolve => {
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quotaManagerService.getUsage(request => {
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if (request.resultCode != Cr.NS_OK) {
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// We are probably shutting down. We don't want to propagate the
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// error, rejecting the promise.
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resolve();
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return;
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}
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for (let item of request.result) {
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let principal = Services.scriptSecurityManager.createContentPrincipalFromOrigin(
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item.origin
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);
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let uri = principal.URI;
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if (
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uri.scheme == "http" ||
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uri.scheme == "https" ||
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uri.scheme == "file"
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) {
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promises.push(
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new Promise(r => {
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let req = quotaManagerService.clearStoragesForPrincipal(
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principal
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);
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req.callback = () => {
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r();
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};
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})
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);
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}
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}
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resolve();
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});
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});
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return Promise.all(promises);
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},
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get canClear() {
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return true;
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},
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},
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// History on Android is implemented by the Java frontend and requires
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// different handling. Everything else is the same as for desktop Firefox.
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history: {
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clear: function() {
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let refObj = {};
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TelemetryStopwatch.start("FX_SANITIZE_HISTORY", refObj);
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return EventDispatcher.instance
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.sendRequestForResult({ type: "Sanitize:ClearHistory" })
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.catch(e => Cu.reportError("Java-side history clearing failed: " + e))
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.then(function() {
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TelemetryStopwatch.finish("FX_SANITIZE_HISTORY", refObj);
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try {
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Services.obs.notifyObservers(
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null,
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"browser:purge-session-history"
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);
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} catch (e) {}
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try {
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var predictor = Cc["@mozilla.org/network/predictor;1"].getService(
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Ci.nsINetworkPredictor
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);
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predictor.reset();
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} catch (e) {}
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});
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},
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get canClear() {
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// bug 347231: Always allow clearing history due to dependencies on
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// the browser:purge-session-history notification. (like error console)
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return true;
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},
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},
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// Equivalent to openWindows on desktop, but specific to Fennec's implementation
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// of tabbed browsing and the session store.
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openTabs: {
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clear: function() {
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let refObj = {};
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TelemetryStopwatch.start("FX_SANITIZE_OPENWINDOWS", refObj);
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return EventDispatcher.instance
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.sendRequestForResult({ type: "Sanitize:OpenTabs" })
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.catch(e => Cu.reportError("Java-side tab clearing failed: " + e))
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.then(function() {
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try {
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// clear "Recently Closed" tabs in Android App
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Services.obs.notifyObservers(null, "browser:purge-session-tabs");
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} catch (e) {}
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TelemetryStopwatch.finish("FX_SANITIZE_OPENWINDOWS", refObj);
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});
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},
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get canClear() {
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return true;
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},
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},
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// Specific to Fennec.
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searchHistory: {
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clear: function() {
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return EventDispatcher.instance
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.sendRequestForResult({
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type: "Sanitize:ClearHistory",
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clearSearchHistory: true,
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})
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.catch(e =>
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Cu.reportError("Java-side search history clearing failed: " + e)
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);
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},
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get canClear() {
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return true;
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},
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},
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// Browser search is handled by searchHistory above and the find bar doesn't
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// require extra handling. FormHistory itself is cleared like on desktop.
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formdata: {
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clear: function({ startTime = 0 } = {}) {
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return new Promise(function(resolve, reject) {
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let refObj = {};
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TelemetryStopwatch.start("FX_SANITIZE_FORMDATA", refObj);
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// Conver time to microseconds
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let time = startTime * 1000;
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FormHistory.update(
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{
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op: "remove",
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firstUsedStart: time,
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},
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{
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handleCompletion() {
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TelemetryStopwatch.finish("FX_SANITIZE_FORMDATA", refObj);
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resolve();
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},
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}
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);
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});
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},
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canClear: function(aCallback) {
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let count = 0;
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let countDone = {
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handleResult: function(aResult) {
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count = aResult;
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},
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handleError: function(aError) {
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Cu.reportError(aError);
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},
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handleCompletion: function(aReason) {
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aCallback(aReason == 0 && count > 0);
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},
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};
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FormHistory.count({}, countDone);
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},
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},
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// Adapted from desktop, but heavily modified - see comments below.
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downloadFiles: {
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async clear({
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startTime = 0,
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deleteFiles = true,
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clearUnfinishedDownloads = false,
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} = {}) {
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let refObj = {};
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TelemetryStopwatch.start("FX_SANITIZE_DOWNLOADS", refObj);
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let list = await Downloads.getList(Downloads.ALL);
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let downloads = await list.getAll();
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var finalizePromises = [];
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// Logic copied from DownloadList.removeFinished. Ideally, we would
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// just use that method directly, but we want to be able to remove the
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// downloaded files as well.
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for (let download of downloads) {
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let downloadFinished =
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download.stopped && (!download.hasPartialData || download.error);
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if (
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(downloadFinished || clearUnfinishedDownloads) &&
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download.startTime.getTime() >= startTime
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) {
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// Remove the download first, so that the views don't get the change
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// notifications that may occur during finalization.
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await list.remove(download);
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// Ensure that the download is stopped and no partial data is kept.
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// This works even if the download state has changed meanwhile. We
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// don't need to wait for the procedure to be complete before
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// processing the other downloads in the list.
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finalizePromises.push(
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download.finalize(true).then(() => null, Cu.reportError)
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);
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if (deleteFiles) {
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// Delete the downloaded files themselves.
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OS.File.remove(download.target.path).then(
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() => null,
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ex => {
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if (!(ex instanceof OS.File.Error && ex.becauseNoSuchFile)) {
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Cu.reportError(ex);
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}
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}
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);
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}
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}
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}
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await Promise.all(finalizePromises);
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await DownloadIntegration.forceSave();
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TelemetryStopwatch.finish("FX_SANITIZE_DOWNLOADS", refObj);
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},
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get canClear() {
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return true;
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},
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},
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// Specific to Fennec.
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passwords: {
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clear: function() {
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return new Promise(function(resolve, reject) {
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Services.logins.removeAllLogins();
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resolve();
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});
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},
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get canClear() {
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let count = Services.logins.countLogins("", "", ""); // count all logins
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return count > 0;
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},
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},
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// Same as desktop Firefox.
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sessions: {
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clear: function() {
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return new Promise(function(resolve, reject) {
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let refObj = {};
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TelemetryStopwatch.start("FX_SANITIZE_SESSIONS", refObj);
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// clear all auth tokens
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var sdr = Cc["@mozilla.org/security/sdr;1"].getService(
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Ci.nsISecretDecoderRing
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);
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sdr.logoutAndTeardown();
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// clear FTP and plain HTTP auth sessions
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Services.obs.notifyObservers(null, "net:clear-active-logins");
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TelemetryStopwatch.finish("FX_SANITIZE_SESSIONS", refObj);
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resolve();
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});
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},
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get canClear() {
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return true;
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},
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},
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// Specific to Fennec.
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syncedTabs: {
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clear: function() {
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return EventDispatcher.instance
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.sendRequestForResult({ type: "Sanitize:ClearSyncedTabs" })
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.catch(e =>
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Cu.reportError("Java-side synced tabs clearing failed: " + e)
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);
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},
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canClear: function(aCallback) {
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Accounts.anySyncAccountsExist()
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.then(aCallback)
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.catch(function(err) {
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Cu.reportError("Java-side synced tabs clearing failed: " + err);
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aCallback(false);
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});
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},
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},
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},
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};
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var Sanitizer = new Sanitizer();
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