mirror of
https://github.com/mozilla/gecko-dev.git
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662 lines
21 KiB
JavaScript
662 lines
21 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 { XPCOMUtils } = ChromeUtils.import(
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"resource://gre/modules/XPCOMUtils.jsm"
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);
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const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
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var EXPORTED_SYMBOLS = ["SiteDataManager"];
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XPCOMUtils.defineLazyGetter(this, "gStringBundle", function() {
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return Services.strings.createBundle(
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"chrome://browser/locale/siteData.properties"
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);
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});
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XPCOMUtils.defineLazyGetter(this, "gBrandBundle", function() {
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return Services.strings.createBundle(
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"chrome://branding/locale/brand.properties"
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);
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});
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var SiteDataManager = {
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// A Map of sites and their disk usage according to Quota Manager.
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// Key is base domain (group sites based on base domain across scheme, port,
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// origin attributes) or host if the entry does not have a base domain.
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// Value is one object holding:
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// - baseDomainOrHost: Same as key.
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// - principals: instances of nsIPrincipal (only when the site has
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// quota storage).
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// - persisted: the persistent-storage status.
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// - quotaUsage: the usage of indexedDB and localStorage.
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// - containersData: a map containing cookiesBlocked,lastAccessed and quotaUsage by userContextID.
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_sites: new Map(),
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_getCacheSizeObserver: null,
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_getCacheSizePromise: null,
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_getQuotaUsagePromise: null,
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_quotaUsageRequest: null,
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/**
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* Retrieve the latest site data and store it in SiteDataManager.
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*
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* Updating site data is a *very* expensive operation. This method exists so that
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* consumers can manually decide when to update, most methods on SiteDataManager
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* will not trigger updates automatically.
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*
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* It is *highly discouraged* to await on this function to finish before showing UI.
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* Either trigger the update some time before the data is needed or use the
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* entryUpdatedCallback parameter to update the UI async.
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*
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* @param {entryUpdatedCallback} a function to be called whenever a site is added or
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* updated. This can be used to e.g. fill a UI that lists sites without
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* blocking on the entire update to finish.
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* @returns a Promise that resolves when updating is done.
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**/
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async updateSites(entryUpdatedCallback) {
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Services.obs.notifyObservers(null, "sitedatamanager:updating-sites");
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// Clear old data and requests first
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this._sites.clear();
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this._getAllCookies(entryUpdatedCallback);
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await this._getQuotaUsage(entryUpdatedCallback);
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Services.obs.notifyObservers(null, "sitedatamanager:sites-updated");
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},
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/**
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* Get the base domain of a host on a best-effort basis.
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* @param {string} host - Host to convert.
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* @returns {string} Computed base domain. If the base domain cannot be
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* determined, because the host is an IP address or does not have enough
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* domain levels we will return the original host. This includes the empty
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* string.
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* @throws {Error} Throws for unexpected conversion errors from eTLD service.
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*/
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getBaseDomainFromHost(host) {
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let result = host;
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try {
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result = Services.eTLD.getBaseDomainFromHost(host);
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} catch (e) {
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if (
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e.result == Cr.NS_ERROR_HOST_IS_IP_ADDRESS ||
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e.result == Cr.NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS
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) {
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// For these 2 expected errors, just take the host as the result.
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// - NS_ERROR_HOST_IS_IP_ADDRESS: the host is in ipv4/ipv6.
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// - NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS: not enough domain parts to extract.
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result = host;
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} else {
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throw e;
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}
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}
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return result;
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},
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_getOrInsertSite(baseDomainOrHost) {
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let site = this._sites.get(baseDomainOrHost);
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if (!site) {
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site = {
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baseDomainOrHost,
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cookies: [],
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persisted: false,
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quotaUsage: 0,
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lastAccessed: 0,
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principals: [],
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};
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this._sites.set(baseDomainOrHost, site);
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}
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return site;
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},
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_getOrInsertContainersData(site, userContextId) {
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if (!site.containersData) {
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site.containersData = new Map();
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}
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let containerData = site.containersData.get(userContextId);
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if (!containerData) {
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containerData = {
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cookiesBlocked: 0,
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lastAccessed: new Date(0),
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quotaUsage: 0,
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};
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site.containersData.set(userContextId, containerData);
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}
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return containerData;
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},
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/**
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* Retrieves the amount of space currently used by disk cache.
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*
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* You can use DownloadUtils.convertByteUnits to convert this to
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* a user-understandable size/unit combination.
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*
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* @returns a Promise that resolves with the cache size on disk in bytes.
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*/
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getCacheSize() {
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if (this._getCacheSizePromise) {
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return this._getCacheSizePromise;
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}
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this._getCacheSizePromise = new Promise((resolve, reject) => {
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// Needs to root the observer since cache service keeps only a weak reference.
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this._getCacheSizeObserver = {
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onNetworkCacheDiskConsumption: consumption => {
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resolve(consumption);
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this._getCacheSizePromise = null;
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this._getCacheSizeObserver = null;
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},
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QueryInterface: ChromeUtils.generateQI([
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"nsICacheStorageConsumptionObserver",
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"nsISupportsWeakReference",
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]),
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};
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try {
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Services.cache2.asyncGetDiskConsumption(this._getCacheSizeObserver);
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} catch (e) {
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reject(e);
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this._getCacheSizePromise = null;
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this._getCacheSizeObserver = null;
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}
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});
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return this._getCacheSizePromise;
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},
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_getQuotaUsage(entryUpdatedCallback) {
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this._cancelGetQuotaUsage();
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this._getQuotaUsagePromise = new Promise(resolve => {
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let onUsageResult = request => {
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if (request.resultCode == Cr.NS_OK) {
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let items = request.result;
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for (let item of items) {
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if (!item.persisted && item.usage <= 0) {
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// An non-persistent-storage site with 0 byte quota usage is redundant for us so skip it.
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continue;
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}
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let principal = Services.scriptSecurityManager.createContentPrincipalFromOrigin(
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item.origin
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);
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if (principal.schemeIs("http") || principal.schemeIs("https")) {
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// Group dom storage by first party. If an entry is partitioned
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// the first party site will be in the partitionKey, instead of
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// the principal baseDomain.
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let pkBaseDomain;
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try {
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pkBaseDomain = ChromeUtils.getBaseDomainFromPartitionKey(
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principal.originAttributes.partitionKey
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);
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} catch (e) {
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Cu.reportError(e);
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}
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let site = this._getOrInsertSite(
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pkBaseDomain || principal.baseDomain
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);
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// Assume 3 sites:
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// - Site A (not persisted): https://www.foo.com
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// - Site B (not persisted): https://www.foo.com^userContextId=2
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// - Site C (persisted): https://www.foo.com:1234
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// Although only C is persisted, grouping by base domain, as a
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// result, we still mark as persisted here under this base
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// domain group.
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if (item.persisted) {
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site.persisted = true;
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}
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if (site.lastAccessed < item.lastAccessed) {
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site.lastAccessed = item.lastAccessed;
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}
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if (Number.isInteger(principal.userContextId)) {
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let containerData = this._getOrInsertContainersData(
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site,
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principal.userContextId
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);
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containerData.quotaUsage = item.usage;
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let itemTime = item.lastAccessed / 1000;
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if (containerData.lastAccessed.getTime() < itemTime) {
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containerData.lastAccessed.setTime(itemTime);
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}
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}
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site.principals.push(principal);
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site.quotaUsage += item.usage;
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if (entryUpdatedCallback) {
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entryUpdatedCallback(principal.baseDomain, site);
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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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// XXX: The work of integrating localStorage into Quota Manager is in progress.
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// After the bug 742822 and 1286798 landed, localStorage usage will be included.
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// So currently only get indexedDB usage.
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this._quotaUsageRequest = Services.qms.getUsage(onUsageResult);
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});
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return this._getQuotaUsagePromise;
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},
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_getAllCookies(entryUpdatedCallback) {
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for (let cookie of Services.cookies.cookies) {
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// Group cookies by first party. If a cookie is partitioned the
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// partitionKey will contain the first party site, instead of the host
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// field.
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let pkBaseDomain;
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try {
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pkBaseDomain = ChromeUtils.getBaseDomainFromPartitionKey(
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cookie.originAttributes.partitionKey
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);
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} catch (e) {
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Cu.reportError(e);
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}
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let baseDomainOrHost =
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pkBaseDomain || this.getBaseDomainFromHost(cookie.rawHost);
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let site = this._getOrInsertSite(baseDomainOrHost);
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if (entryUpdatedCallback) {
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entryUpdatedCallback(baseDomainOrHost, site);
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}
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site.cookies.push(cookie);
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if (Number.isInteger(cookie.originAttributes.userContextId)) {
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let containerData = this._getOrInsertContainersData(
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site,
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cookie.originAttributes.userContextId
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);
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containerData.cookiesBlocked += 1;
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let cookieTime = cookie.lastAccessed / 1000;
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if (containerData.lastAccessed.getTime() < cookieTime) {
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containerData.lastAccessed.setTime(cookieTime);
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}
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}
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if (site.lastAccessed < cookie.lastAccessed) {
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site.lastAccessed = cookie.lastAccessed;
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}
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}
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},
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_cancelGetQuotaUsage() {
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if (this._quotaUsageRequest) {
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this._quotaUsageRequest.cancel();
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this._quotaUsageRequest = null;
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}
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},
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/**
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* Checks if the site with the provided ASCII host is using any site data at all.
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* This will check for:
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* - Cookies (incl. subdomains)
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* - Quota Usage
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* in that order. This function is meant to be fast, and thus will
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* end searching and return true once the first trace of site data is found.
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*
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* @param {String} the ASCII host to check
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* @returns {Boolean} whether the site has any data associated with it
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*/
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async hasSiteData(asciiHost) {
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if (Services.cookies.countCookiesFromHost(asciiHost)) {
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return true;
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}
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let hasQuota = await new Promise(resolve => {
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Services.qms.getUsage(request => {
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if (request.resultCode != Cr.NS_OK) {
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resolve(false);
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return;
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}
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for (let item of request.result) {
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if (!item.persisted && item.usage <= 0) {
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continue;
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}
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let principal = Services.scriptSecurityManager.createContentPrincipalFromOrigin(
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item.origin
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);
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if (principal.asciiHost == asciiHost) {
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resolve(true);
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return;
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}
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}
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resolve(false);
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});
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});
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if (hasQuota) {
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return true;
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}
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return false;
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},
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getTotalUsage() {
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return this._getQuotaUsagePromise.then(() => {
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let usage = 0;
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for (let site of this._sites.values()) {
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usage += site.quotaUsage;
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}
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return usage;
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});
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},
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/**
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* Gets all sites that are currently storing site data. Entries are grouped by
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* parent base domain if applicable. For example "foo.example.com",
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* "example.com" and "bar.example.com" will have one entry with the baseDomain
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* "example.com".
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* A base domain entry will represent all data of its storage jar. The storage
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* jar holds all first party data of the domain as well as any third party
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* data partitioned under the domain. Additionally we will add data which
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* belongs to the domain but is part of other domains storage jars . That is
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* data third-party partitioned under other domains.
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* Sites which cannot be associated with a base domain, for example IP hosts,
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* are not grouped.
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*
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* The list is not automatically up-to-date. You need to call
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* {@link updateSites} before you can use this method for the first time (and
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* whenever you want to get an updated set of list.)
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*
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* @returns {Promise} Promise that resolves with the list of all sites.
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*/
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async getSites() {
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await this._getQuotaUsagePromise;
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return Array.from(this._sites.values()).map(site => ({
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baseDomain: site.baseDomainOrHost,
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cookies: site.cookies,
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usage: site.quotaUsage,
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containersData: site.containersData,
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persisted: site.persisted,
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lastAccessed: new Date(site.lastAccessed / 1000),
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}));
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},
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/**
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* Get site, which stores data, by base domain or host.
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*
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* The list is not automatically up-to-date. You need to call
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* {@link updateSites} before you can use this method for the first time (and
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* whenever you want to get an updated set of list.)
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*
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* @param {String} baseDomainOrHost - Base domain or host of the site to get.
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*
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* @returns {Promise<Object|null>} Promise that resolves with the site object
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* or null if no site with given base domain or host stores data.
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*/
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async getSite(baseDomainOrHost) {
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let baseDomain = this.getBaseDomainFromHost(baseDomainOrHost);
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let site = this._sites.get(baseDomain);
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if (!site) {
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return null;
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}
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return {
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baseDomain: site.baseDomainOrHost,
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cookies: site.cookies,
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usage: site.quotaUsage,
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containersData: site.containersData,
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persisted: site.persisted,
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lastAccessed: new Date(site.lastAccessed / 1000),
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};
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},
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_removePermission(site) {
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let removals = new Set();
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for (let principal of site.principals) {
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let { originNoSuffix } = principal;
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if (removals.has(originNoSuffix)) {
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// In case of encountering
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// - https://www.foo.com
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// - https://www.foo.com^userContextId=2
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// because setting/removing permission is across OAs already so skip the same origin without suffix
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continue;
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}
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removals.add(originNoSuffix);
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Services.perms.removeFromPrincipal(principal, "persistent-storage");
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}
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},
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_removeQuotaUsage(site) {
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let promises = [];
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let removals = new Set();
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for (let principal of site.principals) {
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let { originNoSuffix } = principal;
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if (removals.has(originNoSuffix)) {
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// In case of encountering
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// - https://www.foo.com
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// - https://www.foo.com^userContextId=2
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// below we have already removed across OAs so skip the same origin without suffix
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continue;
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}
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removals.add(originNoSuffix);
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promises.push(
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new Promise(resolve => {
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// We are clearing *All* across OAs so need to ensure a principal without suffix here,
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// or the call of `clearStoragesForPrincipal` would fail.
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principal = Services.scriptSecurityManager.createContentPrincipalFromOrigin(
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originNoSuffix
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);
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let request = this._qms.clearStoragesForPrincipal(
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principal,
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null,
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null,
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true
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);
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request.callback = resolve;
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})
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);
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}
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return Promise.all(promises);
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},
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_removeCookies(site) {
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for (let cookie of site.cookies) {
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Services.cookies.remove(
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cookie.host,
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cookie.name,
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cookie.path,
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cookie.originAttributes
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);
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}
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site.cookies = [];
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},
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// Returns a list of permissions from the permission manager that
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// we consider part of "site data and cookies".
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_getDeletablePermissions() {
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let perms = [];
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for (let permission of Services.perms.all) {
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if (
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permission.type == "persistent-storage" ||
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permission.type == "storage-access"
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) {
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perms.push(permission);
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}
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}
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return perms;
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},
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/**
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* Removes all site data for the specified list of domains and hosts.
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* This includes site data of subdomains belonging to the domains or hosts and
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* partitioned storage. Data is cleared per storage jar, which means if we
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* clear "example.com", we will also clear third parties embedded on
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* "example.com". Additionally we will clear all data of "example.com" (as a
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* third party) from other jars.
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*
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* @param {string|string[]} domainsOrHosts - List of domains and hosts or
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* single domain or host to remove.
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* @returns {Promise} Promise that resolves when data is removed and the site
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* data manager has been updated.
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*/
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async remove(domainsOrHosts) {
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if (domainsOrHosts == null) {
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throw new Error("domainsOrHosts is required.");
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}
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// Allow the caller to pass a single base domain or host.
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if (!Array.isArray(domainsOrHosts)) {
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domainsOrHosts = [domainsOrHosts];
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}
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let perms = this._getDeletablePermissions();
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let promises = [];
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for (let domainOrHost of domainsOrHosts) {
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const kFlags =
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Ci.nsIClearDataService.CLEAR_COOKIES |
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Ci.nsIClearDataService.CLEAR_DOM_STORAGES |
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Ci.nsIClearDataService.CLEAR_SECURITY_SETTINGS |
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Ci.nsIClearDataService.CLEAR_EME |
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Ci.nsIClearDataService.CLEAR_ALL_CACHES;
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promises.push(
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new Promise(function(resolve) {
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const { clearData } = Services;
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if (domainOrHost) {
|
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// First try to clear by base domain for aDomainOrHost. If we can't
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|
// get a base domain, fall back to clearing by just host.
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|
try {
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clearData.deleteDataFromBaseDomain(
|
|
domainOrHost,
|
|
true,
|
|
kFlags,
|
|
resolve
|
|
);
|
|
} catch (e) {
|
|
if (
|
|
e.result != Cr.NS_ERROR_HOST_IS_IP_ADDRESS &&
|
|
e.result != Cr.NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS
|
|
) {
|
|
throw e;
|
|
}
|
|
clearData.deleteDataFromHost(domainOrHost, true, kFlags, resolve);
|
|
}
|
|
} else {
|
|
clearData.deleteDataFromLocalFiles(true, kFlags, resolve);
|
|
}
|
|
})
|
|
);
|
|
|
|
for (let perm of perms) {
|
|
// Specialcase local file permissions.
|
|
if (!domainOrHost) {
|
|
if (perm.principal.schemeIs("file")) {
|
|
Services.perms.removePermission(perm);
|
|
}
|
|
} else if (
|
|
Services.eTLD.hasRootDomain(perm.principal.host, domainOrHost)
|
|
) {
|
|
Services.perms.removePermission(perm);
|
|
}
|
|
}
|
|
}
|
|
|
|
await Promise.all(promises);
|
|
|
|
return this.updateSites();
|
|
},
|
|
|
|
/**
|
|
* In the specified window, shows a prompt for removing all site data or the
|
|
* specified list of base domains or hosts, warning the user that this may log
|
|
* them out of websites.
|
|
*
|
|
* @param {mozIDOMWindowProxy} win - a parent DOM window to host the dialog.
|
|
* @param {string[]} [removals] - an array of base domain or host strings that
|
|
* will be removed.
|
|
* @returns {boolean} whether the user confirmed the prompt.
|
|
*/
|
|
promptSiteDataRemoval(win, removals) {
|
|
if (removals) {
|
|
let args = {
|
|
hosts: removals,
|
|
allowed: false,
|
|
};
|
|
let features = "centerscreen,chrome,modal,resizable=no";
|
|
win.browsingContext.topChromeWindow.openDialog(
|
|
"chrome://browser/content/preferences/dialogs/siteDataRemoveSelected.xhtml",
|
|
"",
|
|
features,
|
|
args
|
|
);
|
|
return args.allowed;
|
|
}
|
|
|
|
let brandName = gBrandBundle.GetStringFromName("brandShortName");
|
|
let flags =
|
|
Services.prompt.BUTTON_TITLE_IS_STRING * Services.prompt.BUTTON_POS_0 +
|
|
Services.prompt.BUTTON_TITLE_CANCEL * Services.prompt.BUTTON_POS_1 +
|
|
Services.prompt.BUTTON_POS_0_DEFAULT;
|
|
let title = gStringBundle.GetStringFromName("clearSiteDataPromptTitle");
|
|
let text = gStringBundle.formatStringFromName("clearSiteDataPromptText", [
|
|
brandName,
|
|
]);
|
|
let btn0Label = gStringBundle.GetStringFromName("clearSiteDataNow");
|
|
|
|
let result = Services.prompt.confirmEx(
|
|
win,
|
|
title,
|
|
text,
|
|
flags,
|
|
btn0Label,
|
|
null,
|
|
null,
|
|
null,
|
|
{}
|
|
);
|
|
return result == 0;
|
|
},
|
|
|
|
/**
|
|
* Clears all site data and cache
|
|
*
|
|
* @returns a Promise that resolves when the data is cleared.
|
|
*/
|
|
async removeAll() {
|
|
await this.removeCache();
|
|
return this.removeSiteData();
|
|
},
|
|
|
|
/**
|
|
* Clears all caches.
|
|
*
|
|
* @returns a Promise that resolves when the data is cleared.
|
|
*/
|
|
removeCache() {
|
|
return new Promise(function(resolve) {
|
|
Services.clearData.deleteData(
|
|
Ci.nsIClearDataService.CLEAR_ALL_CACHES,
|
|
resolve
|
|
);
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Clears all site data, but not cache, because the UI offers
|
|
* that functionality separately.
|
|
*
|
|
* @returns a Promise that resolves when the data is cleared.
|
|
*/
|
|
async removeSiteData() {
|
|
await new Promise(function(resolve) {
|
|
Services.clearData.deleteData(
|
|
Ci.nsIClearDataService.CLEAR_COOKIES |
|
|
Ci.nsIClearDataService.CLEAR_DOM_STORAGES |
|
|
Ci.nsIClearDataService.CLEAR_SECURITY_SETTINGS |
|
|
Ci.nsIClearDataService.CLEAR_EME,
|
|
resolve
|
|
);
|
|
});
|
|
|
|
for (let permission of this._getDeletablePermissions()) {
|
|
Services.perms.removePermission(permission);
|
|
}
|
|
|
|
return this.updateSites();
|
|
},
|
|
};
|