forked from mirrors/gecko-dev
3394 lines
106 KiB
JavaScript
3394 lines
106 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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/* eslint no-shadow: error, mozilla/no-aArgs: error */
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import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
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const { PromiseUtils } = ChromeUtils.import(
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"resource://gre/modules/PromiseUtils.jsm"
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);
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const { AppConstants } = ChromeUtils.import(
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"resource://gre/modules/AppConstants.jsm"
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);
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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AddonSearchEngine: "resource://gre/modules/AddonSearchEngine.sys.mjs",
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OpenSearchEngine: "resource://gre/modules/OpenSearchEngine.sys.mjs",
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PolicySearchEngine: "resource://gre/modules/PolicySearchEngine.sys.mjs",
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SearchEngine: "resource://gre/modules/SearchEngine.sys.mjs",
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SearchEngineSelector: "resource://gre/modules/SearchEngineSelector.sys.mjs",
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SearchSettings: "resource://gre/modules/SearchSettings.sys.mjs",
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SearchStaticData: "resource://gre/modules/SearchStaticData.sys.mjs",
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SearchUtils: "resource://gre/modules/SearchUtils.sys.mjs",
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UserSearchEngine: "resource://gre/modules/UserSearchEngine.sys.mjs",
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});
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XPCOMUtils.defineLazyModuleGetters(lazy, {
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AddonManager: "resource://gre/modules/AddonManager.jsm",
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IgnoreLists: "resource://gre/modules/IgnoreLists.jsm",
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Region: "resource://gre/modules/Region.jsm",
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RemoteSettings: "resource://services-settings/remote-settings.js",
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NimbusFeatures: "resource://nimbus/ExperimentAPI.jsm",
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});
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XPCOMUtils.defineLazyGetter(lazy, "logConsole", () => {
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return console.createInstance({
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prefix: "SearchService",
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maxLogLevel: lazy.SearchUtils.loggingEnabled ? "Debug" : "Warn",
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});
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});
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const TOPIC_LOCALES_CHANGE = "intl:app-locales-changed";
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const QUIT_APPLICATION_TOPIC = "quit-application";
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// The default engine update interval, in days. This is only used if an engine
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// specifies an updateURL, but not an updateInterval.
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const SEARCH_DEFAULT_UPDATE_INTERVAL = 7;
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// This is the amount of time we'll be idle for before applying any configuration
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// changes.
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const RECONFIG_IDLE_TIME_SEC = 5 * 60;
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/**
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* The ParseSubmissionResult contains getter methods that return attributes
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* about the parsed submission url.
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*
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* @implements {nsIParseSubmissionResult}
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*/
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class ParseSubmissionResult {
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constructor(engine, terms, termsParameterName, termsOffset, termsLength) {
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this.#engine = engine;
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this.#terms = terms;
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this.#termsParameterName = termsParameterName;
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this.#termsOffset = termsOffset;
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this.#termsLength = termsLength;
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}
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get engine() {
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return this.#engine;
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}
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get terms() {
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return this.#terms;
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}
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get termsParameterName() {
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return this.#termsParameterName;
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}
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get termsOffset() {
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return this.#termsOffset;
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}
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get termsLength() {
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return this.#termsLength;
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}
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/**
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* The search engine associated with the URL passed in to
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* nsISearchEngine::parseSubmissionURL, or null if the URL does not represent
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* a search submission.
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*
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* @type {nsISearchEngine|null}
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*/
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#engine;
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/**
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* String containing the sought terms. This can be an empty string in case no
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* terms were specified or the URL does not represent a search submission.*
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*
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* @type {string}
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*/
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#terms;
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/**
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* The name of the query parameter used by `engine` for queries. E.g. "q".
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*
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* @type {string}
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*/
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#termsParameterName;
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/**
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* The offset of the string #terms in the URL passed in to
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* nsISearchEngine::parseSubmissionURL, or -1 if the URL does not represent
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* a search submission.
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*
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* @type {number}
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*/
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#termsOffset;
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/**
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* The length of the #terms in the original encoding of the URL passed in to
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* nsISearchEngine::parseSubmissionURL. If the search term in the original
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* URL is encoded then this will be bigger than #terms.length
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*
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* @type {number}
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*/
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#termsLength;
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QueryInterface = ChromeUtils.generateQI(["nsISearchParseSubmissionResult"]);
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}
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const gEmptyParseSubmissionResult = Object.freeze(
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new ParseSubmissionResult(null, "", "", -1, 0)
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);
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/**
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* The search service handles loading and maintaining of search engines. It will
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* also work out the default lists for each locale/region.
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*
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* @implements {nsISearchService}
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*/
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export class SearchService {
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constructor() {
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this.#initObservers = PromiseUtils.defer();
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// this._engines is prefixed with _ rather than # because it is called from
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// a test.
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this._engines = new Map();
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this._settings = new lazy.SearchSettings(this);
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}
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classID = Components.ID("{7319788a-fe93-4db3-9f39-818cf08f4256}");
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get defaultEngine() {
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this.#ensureInitialized();
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return this._getEngineDefault(false);
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}
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set defaultEngine(newEngine) {
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this.#ensureInitialized();
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this.#setEngineDefault(false, newEngine);
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}
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get defaultPrivateEngine() {
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this.#ensureInitialized();
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return this._getEngineDefault(this.#separatePrivateDefault);
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}
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set defaultPrivateEngine(newEngine) {
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this.#ensureInitialized();
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if (!this._separatePrivateDefaultPrefValue) {
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Services.prefs.setBoolPref(
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lazy.SearchUtils.BROWSER_SEARCH_PREF + "separatePrivateDefault",
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true
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);
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}
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this.#setEngineDefault(this.#separatePrivateDefault, newEngine);
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}
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async getDefault() {
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await this.init();
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return this.defaultEngine;
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}
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async setDefault(engine) {
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await this.init();
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return (this.defaultEngine = engine);
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}
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async getDefaultPrivate() {
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await this.init();
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return this.defaultPrivateEngine;
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}
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async setDefaultPrivate(engine) {
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await this.init();
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return (this.defaultPrivateEngine = engine);
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}
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/**
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* @returns {SearchEngine}
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* The engine that is the default for this locale/region, ignoring any
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* user changes to the default engine.
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*/
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get appDefaultEngine() {
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return this.#appDefaultEngine();
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}
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/**
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* @returns {SearchEngine}
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* The engine that is the default for this locale/region in private browsing
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* mode, ignoring any user changes to the default engine.
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* Note: if there is no default for this locale/region, then the non-private
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* browsing engine will be returned.
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*/
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get appPrivateDefaultEngine() {
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return this.#appDefaultEngine(this.#separatePrivateDefault);
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}
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get isInitialized() {
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return this._initialized;
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}
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getDefaultEngineInfo() {
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let [telemetryId, defaultSearchEngineData] = this.#getEngineInfo(
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this.defaultEngine
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);
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const result = {
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defaultSearchEngine: telemetryId,
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defaultSearchEngineData,
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};
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if (this.#separatePrivateDefault) {
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let [
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privateTelemetryId,
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defaultPrivateSearchEngineData,
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] = this.#getEngineInfo(this.defaultPrivateEngine);
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result.defaultPrivateSearchEngine = privateTelemetryId;
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result.defaultPrivateSearchEngineData = defaultPrivateSearchEngineData;
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}
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return result;
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}
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/**
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* Returns the engine associated with the name.
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*
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* @param {string} engineName
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* The name of the engine.
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* @returns {SearchEngine}
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* The associated engine if found, null otherwise.
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*/
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getEngineByName(engineName) {
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this.#ensureInitialized();
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return this._engines.get(engineName) || null;
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}
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async getEngineByAlias(alias) {
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await this.init();
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for (var engine of this._engines.values()) {
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if (engine && engine.aliases.includes(alias)) {
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return engine;
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}
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}
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return null;
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}
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async getEngines() {
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await this.init();
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lazy.logConsole.debug("getEngines: getting all engines");
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return this.#sortedEngines;
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}
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async getVisibleEngines() {
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await this.init(true);
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lazy.logConsole.debug("getVisibleEngines: getting all visible engines");
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return this.#sortedVisibleEngines;
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}
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async getAppProvidedEngines() {
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await this.init();
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return this._sortEnginesByDefaults(
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this.#sortedEngines.filter(e => e.isAppProvided)
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);
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}
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async getEnginesByExtensionID(extensionID) {
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await this.init();
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return this.#getEnginesByExtensionID(extensionID);
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}
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// nsISearchService
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async init() {
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lazy.logConsole.debug("init");
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if (this.#initStarted) {
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return this.#initObservers.promise;
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}
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TelemetryStopwatch.start("SEARCH_SERVICE_INIT_MS");
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this.#initStarted = true;
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try {
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// Complete initialization by calling asynchronous initializer.
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await this.#init();
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TelemetryStopwatch.finish("SEARCH_SERVICE_INIT_MS");
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} catch (ex) {
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TelemetryStopwatch.cancel("SEARCH_SERVICE_INIT_MS");
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this.#initObservers.reject(ex.result);
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throw ex;
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}
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if (!Components.isSuccessCode(this.#initRV)) {
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throw Components.Exception(
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"SearchService initialization failed",
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this.#initRV
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);
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} else if (this.#startupRemovedExtensions.size) {
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Services.tm.dispatchToMainThread(async () => {
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// Now that init() has successfully finished, we remove any engines
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// that have had their add-ons removed by the add-on manager.
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// We do this after init() has complete, as that allows us to use
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// removeEngine to look after any default engine changes as well.
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// This could cause a slight flicker on startup, but it should be
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// a rare action.
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lazy.logConsole.debug("Removing delayed extension engines");
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for (let id of this.#startupRemovedExtensions) {
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for (let engine of this.#getEnginesByExtensionID(id)) {
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// Only do this for non-application provided engines. We shouldn't
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// ever get application provided engines removed here, but just in case.
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if (!engine.isAppProvided) {
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await this.removeEngine(engine);
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}
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}
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}
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this.#startupRemovedExtensions.clear();
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});
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}
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return this.#initRV;
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}
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/**
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* Runs background checks for the search service. This is called from
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* BrowserGlue and may be run once per session if the user is idle for
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* long enough.
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*/
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async runBackgroundChecks() {
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await this.init();
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await this.#migrateLegacyEngines();
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await this.#checkWebExtensionEngines();
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}
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/**
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* Test only - reset SearchService data. Ideally this should be replaced
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*/
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reset() {
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this._initialized = false;
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this.#initObservers = PromiseUtils.defer();
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this.#initStarted = false;
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this.#startupExtensions = new Set();
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this._engines.clear();
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this._cachedSortedEngines = null;
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this.#currentEngine = null;
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this.#currentPrivateEngine = null;
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this._searchDefault = null;
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this.#searchPrivateDefault = null;
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this.#maybeReloadDebounce = false;
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this._settings._batchTask?.disarm();
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}
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resetToAppDefaultEngine() {
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let appDefaultEngine = this.appDefaultEngine;
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appDefaultEngine.hidden = false;
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this.defaultEngine = appDefaultEngine;
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}
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async maybeSetAndOverrideDefault(extension) {
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let searchProvider =
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extension.manifest.chrome_settings_overrides.search_provider;
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let engine = this._engines.get(searchProvider.name);
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if (!engine || !engine.isAppProvided || engine.hidden) {
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// If the engine is not application provided, then we shouldn't simply
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// set default to it.
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// If the engine is application provided, but hidden, then we don't
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// switch to it, nor do we try to install it.
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return {
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canChangeToAppProvided: false,
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canInstallEngine: !engine?.hidden,
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};
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}
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if (!this.#defaultOverrideAllowlist) {
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this.#defaultOverrideAllowlist = new SearchDefaultOverrideAllowlistHandler();
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}
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if (
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extension.startupReason === "ADDON_INSTALL" ||
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extension.startupReason === "ADDON_ENABLE"
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) {
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// Don't allow an extension to set the default if it is already the default.
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if (this.defaultEngine.name == searchProvider.name) {
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return {
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canChangeToAppProvided: false,
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canInstallEngine: false,
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};
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}
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if (
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!(await this.#defaultOverrideAllowlist.canOverride(
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extension,
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engine._extensionID
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))
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) {
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lazy.logConsole.debug(
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"Allowing default engine to be set to app-provided.",
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extension.id
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);
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// We don't allow overriding the engine in this case, but we can allow
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// the extension to change the default engine.
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return {
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canChangeToAppProvided: true,
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canInstallEngine: false,
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};
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}
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// We're ok to override.
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engine.overrideWithExtension(extension.id, extension.manifest);
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lazy.logConsole.debug(
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"Allowing default engine to be set to app-provided and overridden.",
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extension.id
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);
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return {
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canChangeToAppProvided: true,
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canInstallEngine: false,
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};
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}
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if (
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engine.getAttr("overriddenBy") == extension.id &&
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(await this.#defaultOverrideAllowlist.canOverride(
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extension,
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engine._extensionID
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))
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) {
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engine.overrideWithExtension(extension.id, extension.manifest);
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lazy.logConsole.debug(
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"Re-enabling overriding of core extension by",
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extension.id
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);
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return {
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canChangeToAppProvided: true,
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canInstallEngine: false,
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};
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}
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return {
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canChangeToAppProvided: false,
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canInstallEngine: false,
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};
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}
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/**
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* Adds a search engine that is specified from enterprise policies.
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*
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* @param {object} details
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* An object that simulates the manifest object from a WebExtension. See
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* the idl for more details.
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*/
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async addPolicyEngine(details) {
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await this.init();
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let newEngine = new lazy.PolicySearchEngine({ details });
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let existingEngine = this._engines.get(newEngine.name);
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if (existingEngine) {
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throw Components.Exception(
|
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"An engine with that name already exists!",
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Cr.NS_ERROR_FILE_ALREADY_EXISTS
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);
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}
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lazy.logConsole.debug(`Adding ${newEngine.name}`);
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this.#addEngineToStore(newEngine);
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}
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/**
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* Updates a search engine that is specified from enterprise policies.
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*
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* @param {object} details
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* An object that simulates the manifest object from a WebExtension. See
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* the idl for more details.
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*/
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async updatePolicyEngine(details) {
|
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let engine = this.getEngineByName(details.name);
|
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if (engine && !engine.isAppProvided) {
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engine.update(details);
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}
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}
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|
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/**
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* Adds a search engine that is specified by the user.
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*
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* @param {string} name
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* @param {string} url
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* @param {string} alias
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*/
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async addUserEngine(name, url, alias) {
|
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await this.init();
|
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let newEngine = new lazy.UserSearchEngine({
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details: { name, url, alias },
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});
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let existingEngine = this._engines.get(newEngine.name);
|
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if (existingEngine) {
|
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throw Components.Exception(
|
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"An engine with that name already exists!",
|
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Cr.NS_ERROR_FILE_ALREADY_EXISTS
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);
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}
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lazy.logConsole.debug(`Adding ${newEngine.name}`);
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this.#addEngineToStore(newEngine);
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}
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|
|
/**
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* Called from the AddonManager when it either installs a new
|
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* extension containing a search engine definition or an upgrade
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* to an existing one.
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|
*
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* @param {object} extension
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* An Extension object containing data about the extension.
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|
*/
|
|
async addEnginesFromExtension(extension) {
|
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lazy.logConsole.debug("addEnginesFromExtension: " + extension.id);
|
|
// Treat add-on upgrade and downgrades the same - either way, the search
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// engine gets updated, not added. Generally, we don't expect a downgrade,
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// but just in case...
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if (
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extension.startupReason == "ADDON_UPGRADE" ||
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extension.startupReason == "ADDON_DOWNGRADE"
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) {
|
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// Bug 1679861 An a upgrade or downgrade could be adding a search engine
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// that was not in a prior version, or the addon may have been blocklisted.
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|
// In either case, there will not be an existing engine.
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|
let existing = await this.#upgradeExtensionEngine(extension);
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if (existing?.length) {
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return existing;
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}
|
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}
|
|
|
|
if (extension.isAppProvided) {
|
|
// If we are in the middle of initialization or reloading engines,
|
|
// don't add the engine here. This has been called as the result
|
|
// of _makeEngineFromConfig installing the extension, and that is already
|
|
// handling the addition of the engine.
|
|
if (this._initialized && !this._reloadingEngines) {
|
|
let { engines } = await this._fetchEngineSelectorEngines();
|
|
let inConfig = engines.filter(el => el.webExtension.id == extension.id);
|
|
if (inConfig.length) {
|
|
return this.#installExtensionEngine(
|
|
extension,
|
|
inConfig.map(el => el.webExtension.locale)
|
|
);
|
|
}
|
|
}
|
|
lazy.logConsole.debug(
|
|
"addEnginesFromExtension: Ignoring builtIn engine."
|
|
);
|
|
return [];
|
|
}
|
|
|
|
// If we havent started SearchService yet, store this extension
|
|
// to install in SearchService.init().
|
|
if (!this._initialized) {
|
|
this.#startupExtensions.add(extension);
|
|
return [];
|
|
}
|
|
|
|
return this.#installExtensionEngine(extension, [
|
|
lazy.SearchUtils.DEFAULT_TAG,
|
|
]);
|
|
}
|
|
|
|
async addOpenSearchEngine(engineURL, iconURL) {
|
|
lazy.logConsole.debug("addEngine: Adding", engineURL);
|
|
await this.init();
|
|
let errCode;
|
|
try {
|
|
var engine = new lazy.OpenSearchEngine();
|
|
engine._setIcon(iconURL, false);
|
|
errCode = await new Promise(resolve => {
|
|
engine.install(engineURL, errorCode => {
|
|
resolve(errorCode);
|
|
});
|
|
});
|
|
if (errCode) {
|
|
throw errCode;
|
|
}
|
|
} catch (ex) {
|
|
throw Components.Exception(
|
|
"addEngine: Error adding engine:\n" + ex,
|
|
errCode || Cr.NS_ERROR_FAILURE
|
|
);
|
|
}
|
|
return engine;
|
|
}
|
|
|
|
async removeWebExtensionEngine(id) {
|
|
if (!this.isInitialized) {
|
|
lazy.logConsole.debug(
|
|
"Delaying removing extension engine on startup:",
|
|
id
|
|
);
|
|
this.#startupRemovedExtensions.add(id);
|
|
return;
|
|
}
|
|
|
|
lazy.logConsole.debug("removeWebExtensionEngine:", id);
|
|
for (let engine of this.#getEnginesByExtensionID(id)) {
|
|
await this.removeEngine(engine);
|
|
}
|
|
}
|
|
|
|
async removeEngine(engine) {
|
|
await this.init();
|
|
if (!engine) {
|
|
throw Components.Exception(
|
|
"no engine passed to removeEngine!",
|
|
Cr.NS_ERROR_INVALID_ARG
|
|
);
|
|
}
|
|
|
|
var engineToRemove = null;
|
|
for (var e of this._engines.values()) {
|
|
if (engine.wrappedJSObject == e) {
|
|
engineToRemove = e;
|
|
}
|
|
}
|
|
|
|
if (!engineToRemove) {
|
|
throw Components.Exception(
|
|
"removeEngine: Can't find engine to remove!",
|
|
Cr.NS_ERROR_FILE_NOT_FOUND
|
|
);
|
|
}
|
|
|
|
if (engineToRemove == this.defaultEngine) {
|
|
this.#findAndSetNewDefaultEngine({
|
|
privateMode: false,
|
|
excludeEngineName: engineToRemove.name,
|
|
});
|
|
}
|
|
|
|
// Bug 1575649 - We can't just check the default private engine here when
|
|
// we're not using separate, as that re-checks the normal default, and
|
|
// triggers update of the default search engine, which messes up various
|
|
// tests. Really, removeEngine should always commit to updating any
|
|
// changed defaults.
|
|
if (
|
|
this.#separatePrivateDefault &&
|
|
engineToRemove == this.defaultPrivateEngine
|
|
) {
|
|
this.#findAndSetNewDefaultEngine({
|
|
privateMode: true,
|
|
excludeEngineName: engineToRemove.name,
|
|
});
|
|
}
|
|
|
|
if (engineToRemove.isAppProvided) {
|
|
// Just hide it (the "hidden" setter will notify) and remove its alias to
|
|
// avoid future conflicts with other engines.
|
|
engineToRemove.hidden = true;
|
|
engineToRemove.alias = null;
|
|
} else {
|
|
// Remove the engine file from disk if we had a legacy file in the profile.
|
|
if (engineToRemove._filePath) {
|
|
let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
|
|
file.persistentDescriptor = engineToRemove._filePath;
|
|
if (file.exists()) {
|
|
file.remove(false);
|
|
}
|
|
engineToRemove._filePath = null;
|
|
}
|
|
this.#internalRemoveEngine(engineToRemove);
|
|
|
|
// Since we removed an engine, we may need to update the preferences.
|
|
if (!this.#dontSetUseSavedOrder) {
|
|
this.#saveSortedEngineList();
|
|
}
|
|
}
|
|
lazy.SearchUtils.notifyAction(
|
|
engineToRemove,
|
|
lazy.SearchUtils.MODIFIED_TYPE.REMOVED
|
|
);
|
|
}
|
|
|
|
async moveEngine(engine, newIndex) {
|
|
await this.init();
|
|
if (newIndex > this.#sortedEngines.length || newIndex < 0) {
|
|
throw Components.Exception("moveEngine: Index out of bounds!");
|
|
}
|
|
if (
|
|
!(engine instanceof Ci.nsISearchEngine) &&
|
|
!(engine instanceof lazy.SearchEngine)
|
|
) {
|
|
throw Components.Exception(
|
|
"moveEngine: Invalid engine passed to moveEngine!",
|
|
Cr.NS_ERROR_INVALID_ARG
|
|
);
|
|
}
|
|
if (engine.hidden) {
|
|
throw Components.Exception(
|
|
"moveEngine: Can't move a hidden engine!",
|
|
Cr.NS_ERROR_FAILURE
|
|
);
|
|
}
|
|
|
|
engine = engine.wrappedJSObject;
|
|
|
|
var currentIndex = this.#sortedEngines.indexOf(engine);
|
|
if (currentIndex == -1) {
|
|
throw Components.Exception(
|
|
"moveEngine: Can't find engine to move!",
|
|
Cr.NS_ERROR_UNEXPECTED
|
|
);
|
|
}
|
|
|
|
// Our callers only take into account non-hidden engines when calculating
|
|
// newIndex, but we need to move it in the array of all engines, so we
|
|
// need to adjust newIndex accordingly. To do this, we count the number
|
|
// of hidden engines in the list before the engine that we're taking the
|
|
// place of. We do this by first finding newIndexEngine (the engine that
|
|
// we were supposed to replace) and then iterating through the complete
|
|
// engine list until we reach it, increasing newIndex for each hidden
|
|
// engine we find on our way there.
|
|
//
|
|
// This could be further simplified by having our caller pass in
|
|
// newIndexEngine directly instead of newIndex.
|
|
var newIndexEngine = this.#sortedVisibleEngines[newIndex];
|
|
if (!newIndexEngine) {
|
|
throw Components.Exception(
|
|
"moveEngine: Can't find engine to replace!",
|
|
Cr.NS_ERROR_UNEXPECTED
|
|
);
|
|
}
|
|
|
|
for (var i = 0; i < this.#sortedEngines.length; ++i) {
|
|
if (newIndexEngine == this.#sortedEngines[i]) {
|
|
break;
|
|
}
|
|
if (this.#sortedEngines[i].hidden) {
|
|
newIndex++;
|
|
}
|
|
}
|
|
|
|
if (currentIndex == newIndex) {
|
|
return;
|
|
} // nothing to do!
|
|
|
|
// Move the engine
|
|
var movedEngine = this._cachedSortedEngines.splice(currentIndex, 1)[0];
|
|
this._cachedSortedEngines.splice(newIndex, 0, movedEngine);
|
|
|
|
lazy.SearchUtils.notifyAction(
|
|
engine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.CHANGED
|
|
);
|
|
|
|
// Since we moved an engine, we need to update the preferences.
|
|
this.#saveSortedEngineList();
|
|
}
|
|
|
|
restoreDefaultEngines() {
|
|
this.#ensureInitialized();
|
|
for (let e of this._engines.values()) {
|
|
// Unhide all default engines
|
|
if (e.hidden && e.isAppProvided) {
|
|
e.hidden = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
parseSubmissionURL(url) {
|
|
if (!this._initialized) {
|
|
// If search is not initialized, do nothing.
|
|
// This allows us to use this function early in telemetry.
|
|
// The only other consumer of this (places) uses it much later.
|
|
return gEmptyParseSubmissionResult;
|
|
}
|
|
|
|
if (!this.#parseSubmissionMap) {
|
|
this.#buildParseSubmissionMap();
|
|
}
|
|
|
|
// Extract the elements of the provided URL first.
|
|
let soughtKey, soughtQuery;
|
|
try {
|
|
let soughtUrl = Services.io.newURI(url).QueryInterface(Ci.nsIURL);
|
|
|
|
// Exclude any URL that is not HTTP or HTTPS from the beginning.
|
|
if (soughtUrl.scheme != "http" && soughtUrl.scheme != "https") {
|
|
return gEmptyParseSubmissionResult;
|
|
}
|
|
|
|
// Reading these URL properties may fail and raise an exception.
|
|
soughtKey = soughtUrl.host + soughtUrl.filePath.toLowerCase();
|
|
soughtQuery = soughtUrl.query;
|
|
} catch (ex) {
|
|
// Errors while parsing the URL or accessing the properties are not fatal.
|
|
return gEmptyParseSubmissionResult;
|
|
}
|
|
|
|
// Look up the domain and path in the map to identify the search engine.
|
|
let mapEntry = this.#parseSubmissionMap.get(soughtKey);
|
|
if (!mapEntry) {
|
|
return gEmptyParseSubmissionResult;
|
|
}
|
|
|
|
// Extract the search terms from the parameter, for example "caff%C3%A8"
|
|
// from the URL "https://www.google.com/search?q=caff%C3%A8&client=firefox".
|
|
let encodedTerms = null;
|
|
for (let param of soughtQuery.split("&")) {
|
|
let equalPos = param.indexOf("=");
|
|
if (
|
|
equalPos != -1 &&
|
|
param.substr(0, equalPos) == mapEntry.termsParameterName
|
|
) {
|
|
// This is the parameter we are looking for.
|
|
encodedTerms = param.substr(equalPos + 1);
|
|
break;
|
|
}
|
|
}
|
|
if (encodedTerms === null) {
|
|
return gEmptyParseSubmissionResult;
|
|
}
|
|
|
|
let length = 0;
|
|
let offset = url.indexOf("?") + 1;
|
|
let query = url.slice(offset);
|
|
// Iterate a second time over the original input string to determine the
|
|
// correct search term offset and length in the original encoding.
|
|
for (let param of query.split("&")) {
|
|
let equalPos = param.indexOf("=");
|
|
if (
|
|
equalPos != -1 &&
|
|
param.substr(0, equalPos) == mapEntry.termsParameterName
|
|
) {
|
|
// This is the parameter we are looking for.
|
|
offset += equalPos + 1;
|
|
length = param.length - equalPos - 1;
|
|
break;
|
|
}
|
|
offset += param.length + 1;
|
|
}
|
|
|
|
// Decode the terms using the charset defined in the search engine.
|
|
let terms;
|
|
try {
|
|
terms = Services.textToSubURI.UnEscapeAndConvert(
|
|
mapEntry.engine.queryCharset,
|
|
encodedTerms.replace(/\+/g, " ")
|
|
);
|
|
} catch (ex) {
|
|
// Decoding errors will cause this match to be ignored.
|
|
return gEmptyParseSubmissionResult;
|
|
}
|
|
|
|
let submission = new ParseSubmissionResult(
|
|
mapEntry.engine,
|
|
terms,
|
|
mapEntry.termsParameterName,
|
|
offset,
|
|
length
|
|
);
|
|
return submission;
|
|
}
|
|
|
|
// nsITimerCallbactk
|
|
notify(timer) {
|
|
lazy.logConsole.debug("notify: checking for updates");
|
|
|
|
if (
|
|
!Services.prefs.getBoolPref(
|
|
lazy.SearchUtils.BROWSER_SEARCH_PREF + "update",
|
|
true
|
|
)
|
|
) {
|
|
return;
|
|
}
|
|
|
|
// Our timer has expired, but unfortunately, we can't get any data from it.
|
|
// Therefore, we need to walk our engine-list, looking for expired engines
|
|
var currentTime = Date.now();
|
|
lazy.logConsole.debug("currentTime:" + currentTime);
|
|
for (let e of this._engines.values()) {
|
|
let engine = e.wrappedJSObject;
|
|
if (!engine._hasUpdates) {
|
|
continue;
|
|
}
|
|
|
|
var expirTime = engine.getAttr("updateexpir");
|
|
lazy.logConsole.debug(
|
|
engine.name,
|
|
"expirTime:",
|
|
expirTime,
|
|
"updateURL:",
|
|
engine._updateURL,
|
|
"iconUpdateURL:",
|
|
engine._iconUpdateURL
|
|
);
|
|
|
|
var engineExpired = expirTime <= currentTime;
|
|
|
|
if (!expirTime || !engineExpired) {
|
|
lazy.logConsole.debug("skipping engine");
|
|
continue;
|
|
}
|
|
|
|
lazy.logConsole.debug(engine.name, "has expired");
|
|
|
|
engineUpdateService.update(engine);
|
|
|
|
// Schedule the next update
|
|
engineUpdateService.scheduleNextUpdate(engine);
|
|
} // end engine iteration
|
|
}
|
|
|
|
#initObservers;
|
|
#currentEngine;
|
|
#currentPrivateEngine;
|
|
#queuedIdle;
|
|
|
|
/**
|
|
* The current status of initialization. Note that it does not determine if
|
|
* initialization is complete, only if an error has been encountered so far.
|
|
*
|
|
* @type {number}
|
|
*/
|
|
#initRV = Cr.NS_OK;
|
|
|
|
/**
|
|
* Indicates that the initialization has started or not.
|
|
*
|
|
* @type {boolean}
|
|
*/
|
|
#initStarted = false;
|
|
|
|
/**
|
|
* Indicates if initialization has been completed (successful or not).
|
|
*
|
|
* This is prefixed with _ rather than # because it is
|
|
* called in browser/base/content/test/contextMenu/browser_contextmenu.js
|
|
*
|
|
* @type {boolean}
|
|
*/
|
|
_initialized = false;
|
|
|
|
/**
|
|
* Indicates if we're already waiting for maybeReloadEngines to be called.
|
|
*
|
|
* @type {boolean}
|
|
*/
|
|
#maybeReloadDebounce = false;
|
|
|
|
/**
|
|
* Indicates if we're currently in maybeReloadEngines.
|
|
*
|
|
* This is prefixed with _ rather than # because it is
|
|
* called in a test.
|
|
*
|
|
* @type {boolean}
|
|
*/
|
|
_reloadingEngines = false;
|
|
|
|
/**
|
|
* The engine selector singleton that is managing the engine configuration.
|
|
*
|
|
* @type {SearchEngineSelector|null}
|
|
*/
|
|
#engineSelector = null;
|
|
|
|
/**
|
|
* Various search engines may be ignored if their submission urls contain a
|
|
* string that is in the list. The list is controlled via remote settings.
|
|
*
|
|
* @type {array}
|
|
*/
|
|
#submissionURLIgnoreList = [];
|
|
|
|
/**
|
|
* Various search engines may be ignored if their load path is contained
|
|
* in this list. The list is controlled via remote settings.
|
|
*
|
|
* @type {array}
|
|
*/
|
|
#loadPathIgnoreList = [];
|
|
|
|
/**
|
|
* A map of engine display names to `SearchEngine`.
|
|
*
|
|
* @type {Map<string, object>|null}
|
|
*/
|
|
_engines = null;
|
|
|
|
/**
|
|
* An array of engine short names sorted into display order.
|
|
*
|
|
* @type {array}
|
|
*/
|
|
_cachedSortedEngines = null;
|
|
|
|
/**
|
|
* A flag to prevent setting of useSavedOrder when there's non-user
|
|
* activity happening.
|
|
*
|
|
* @type {boolean}
|
|
*/
|
|
#dontSetUseSavedOrder = false;
|
|
|
|
/**
|
|
* An object containing the {id, locale} of the WebExtension for the default
|
|
* engine, as suggested by the configuration.
|
|
* For the legacy configuration, this is the user visible name.
|
|
*
|
|
* @type {object}
|
|
*
|
|
* This is prefixed with _ rather than # because it is
|
|
* called in a test.
|
|
*/
|
|
_searchDefault = null;
|
|
|
|
/**
|
|
* An object containing the {id, locale} of the WebExtension for the default
|
|
* engine for private browsing mode, as suggested by the configuration.
|
|
* For the legacy configuration, this is the user visible name.
|
|
*
|
|
* @type {object}
|
|
*/
|
|
#searchPrivateDefault = null;
|
|
|
|
/**
|
|
* A Set of installed search extensions reported by AddonManager
|
|
* startup before SearchSevice has started. Will be installed
|
|
* during init().
|
|
*
|
|
* @type {Set<object>}
|
|
*/
|
|
#startupExtensions = new Set();
|
|
|
|
/**
|
|
* A Set of removed search extensions reported by AddonManager
|
|
* startup before SearchSevice has started. Will be removed
|
|
* during init().
|
|
*
|
|
* @type {Set<object>}
|
|
*/
|
|
#startupRemovedExtensions = new Set();
|
|
|
|
/**
|
|
* A reference to the handler for the default override allow list.
|
|
*
|
|
* @type {SearchDefaultOverrideAllowlistHandler|null}
|
|
*/
|
|
#defaultOverrideAllowlist = null;
|
|
|
|
/**
|
|
* This map is built lazily after the available search engines change. It
|
|
* allows quick parsing of an URL representing a search submission into the
|
|
* search engine name and original terms.
|
|
*
|
|
* The keys are strings containing the domain name and lowercase path of the
|
|
* engine submission, for example "www.google.com/search".
|
|
*
|
|
* The values are objects with these properties:
|
|
* {
|
|
* engine: The associated nsISearchEngine.
|
|
* termsParameterName: Name of the URL parameter containing the search
|
|
* terms, for example "q".
|
|
* }
|
|
*/
|
|
#parseSubmissionMap = null;
|
|
|
|
/**
|
|
* Keep track of observers have been added.
|
|
*
|
|
* @type {boolean}
|
|
*/
|
|
#observersAdded = false;
|
|
|
|
get #sortedEngines() {
|
|
if (!this._cachedSortedEngines) {
|
|
return this.#buildSortedEngineList();
|
|
}
|
|
return this._cachedSortedEngines;
|
|
}
|
|
/**
|
|
* This reflects the combined values of the prefs for enabling the separate
|
|
* private default UI, and for the user choosing a separate private engine.
|
|
* If either one is disabled, then we don't enable the separate private default.
|
|
*
|
|
* @returns {boolean}
|
|
*/
|
|
get #separatePrivateDefault() {
|
|
return (
|
|
this._separatePrivateDefaultPrefValue &&
|
|
this._separatePrivateDefaultEnabledPrefValue
|
|
);
|
|
}
|
|
|
|
#getEnginesByExtensionID(extensionID) {
|
|
lazy.logConsole.debug("getEngines: getting all engines for", extensionID);
|
|
var engines = this.#sortedEngines.filter(function(engine) {
|
|
return engine._extensionID == extensionID;
|
|
});
|
|
return engines;
|
|
}
|
|
|
|
/**
|
|
* Returns the engine associated with the WebExtension details.
|
|
*
|
|
* @param {object} details
|
|
* @param {string} details.id
|
|
* The WebExtension ID
|
|
* @param {string} details.locale
|
|
* The WebExtension locale
|
|
* @returns {nsISearchEngine|null}
|
|
* The found engine, or null if no engine matched.
|
|
*/
|
|
#getEngineByWebExtensionDetails(details) {
|
|
for (const engine of this._engines.values()) {
|
|
if (
|
|
engine._extensionID == details.id &&
|
|
engine._locale == details.locale
|
|
) {
|
|
return engine;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Helper function to get the current default engine.
|
|
*
|
|
* This is prefixed with _ rather than # because it is
|
|
* called in test_remove_engine_notification_box.js
|
|
*
|
|
* @param {boolean} privateMode
|
|
* If true, returns the default engine for private browsing mode, otherwise
|
|
* the default engine for the normal mode. Note, this function does not
|
|
* check the "separatePrivateDefault" preference - that is up to the caller.
|
|
* @returns {nsISearchEngine|null}
|
|
* The appropriate search engine, or null if one could not be determined.
|
|
*/
|
|
_getEngineDefault(privateMode) {
|
|
let currentEngine = privateMode
|
|
? this.#currentPrivateEngine
|
|
: this.#currentEngine;
|
|
|
|
if (currentEngine && !currentEngine.hidden) {
|
|
return currentEngine;
|
|
}
|
|
|
|
// No default loaded, so find it from settings.
|
|
const attributeName = privateMode ? "private" : "current";
|
|
let name = this._settings.getMetaDataAttribute(attributeName);
|
|
let engine = this._engines.get(name) || null;
|
|
if (
|
|
engine &&
|
|
(engine.isAppProvided ||
|
|
this._settings.getVerifiedMetaDataAttribute(attributeName))
|
|
) {
|
|
// If the current engine is a default one, we can relax the
|
|
// verification hash check to reduce the annoyance for users who
|
|
// backup/sync their profile in custom ways.
|
|
if (privateMode) {
|
|
this.#currentPrivateEngine = engine;
|
|
} else {
|
|
this.#currentEngine = engine;
|
|
}
|
|
}
|
|
if (!name) {
|
|
if (privateMode) {
|
|
this.#currentPrivateEngine = this.appPrivateDefaultEngine;
|
|
} else {
|
|
this.#currentEngine = this.appDefaultEngine;
|
|
}
|
|
}
|
|
|
|
currentEngine = privateMode
|
|
? this.#currentPrivateEngine
|
|
: this.#currentEngine;
|
|
if (currentEngine && !currentEngine.hidden) {
|
|
return currentEngine;
|
|
}
|
|
// No default in settings or it is hidden, so find the new default.
|
|
return this.#findAndSetNewDefaultEngine({ privateMode });
|
|
}
|
|
|
|
/**
|
|
* If initialization has not been completed yet, perform synchronous
|
|
* initialization.
|
|
* Throws in case of initialization error.
|
|
*/
|
|
#ensureInitialized() {
|
|
if (this._initialized) {
|
|
if (!Components.isSuccessCode(this.#initRV)) {
|
|
lazy.logConsole.debug("#ensureInitialized: failure");
|
|
throw Components.Exception(
|
|
"SearchService previously failed to initialize",
|
|
this.#initRV
|
|
);
|
|
}
|
|
return;
|
|
}
|
|
|
|
let err = new Error(
|
|
"Something tried to use the search service before it's been " +
|
|
"properly intialized. Please examine the stack trace to figure out what and " +
|
|
"where to fix it:\n"
|
|
);
|
|
err.message += err.stack;
|
|
throw err;
|
|
}
|
|
|
|
/**
|
|
* Asynchronous implementation of the initializer.
|
|
*
|
|
* @returns {number}
|
|
* A Components.results success code on success, otherwise a failure code.
|
|
*/
|
|
async #init() {
|
|
XPCOMUtils.defineLazyPreferenceGetter(
|
|
this,
|
|
"_separatePrivateDefaultPrefValue",
|
|
lazy.SearchUtils.BROWSER_SEARCH_PREF + "separatePrivateDefault",
|
|
false,
|
|
this.#onSeparateDefaultPrefChanged.bind(this)
|
|
);
|
|
|
|
XPCOMUtils.defineLazyPreferenceGetter(
|
|
this,
|
|
"_separatePrivateDefaultEnabledPrefValue",
|
|
lazy.SearchUtils.BROWSER_SEARCH_PREF +
|
|
"separatePrivateDefault.ui.enabled",
|
|
false,
|
|
this.#onSeparateDefaultPrefChanged.bind(this)
|
|
);
|
|
|
|
// We need to catch the region being updated
|
|
// during initialisation so we start listening
|
|
// straight away.
|
|
Services.obs.addObserver(this, lazy.Region.REGION_TOPIC);
|
|
|
|
try {
|
|
// Create the search engine selector.
|
|
this.#engineSelector = new lazy.SearchEngineSelector(
|
|
this.#handleConfigurationUpdated.bind(this)
|
|
);
|
|
|
|
// See if we have a settings file so we don't have to parse a bunch of XML.
|
|
let settings = await this._settings.get();
|
|
|
|
this.#setupRemoteSettings().catch(Cu.reportError);
|
|
|
|
await this.#loadEngines(settings);
|
|
|
|
// If we've got this far, but the application is now shutting down,
|
|
// then we need to abandon any further work, especially not writing
|
|
// the settings. We do this, because the add-on manager has also
|
|
// started shutting down and as a result, we might have an incomplete
|
|
// picture of the installed search engines. Writing the settings at
|
|
// this stage would potentially mean the user would loose their engine
|
|
// data.
|
|
// We will however, rebuild the settings on next start up if we detect
|
|
// it is necessary.
|
|
if (Services.startup.shuttingDown) {
|
|
lazy.logConsole.warn("#init: abandoning init due to shutting down");
|
|
this.#initRV = Cr.NS_ERROR_ABORT;
|
|
this.#initObservers.reject(this.#initRV);
|
|
return this.#initRV;
|
|
}
|
|
|
|
// Make sure the current list of engines is persisted, without the need to wait.
|
|
lazy.logConsole.debug("#init: engines loaded, writing settings");
|
|
this.#addObservers();
|
|
} catch (ex) {
|
|
this.#initRV = ex.result !== undefined ? ex.result : Cr.NS_ERROR_FAILURE;
|
|
lazy.logConsole.error("#init: failure initializing search:", ex);
|
|
}
|
|
|
|
this._initialized = true;
|
|
if (Components.isSuccessCode(this.#initRV)) {
|
|
this.#initObservers.resolve(this.#initRV);
|
|
} else {
|
|
this.#initObservers.reject(this.#initRV);
|
|
}
|
|
|
|
this.#recordTelemetryData();
|
|
|
|
Services.obs.notifyObservers(
|
|
null,
|
|
lazy.SearchUtils.TOPIC_SEARCH_SERVICE,
|
|
"init-complete"
|
|
);
|
|
|
|
lazy.logConsole.debug("Completed #init");
|
|
return this.#initRV;
|
|
}
|
|
|
|
/**
|
|
* Obtains the remote settings for the search service. This should only be
|
|
* called from init(). Any subsequent updates to the remote settings are
|
|
* handled via a sync listener.
|
|
*
|
|
* For desktop, the initial remote settings are obtained from dumps in
|
|
* `services/settings/dumps/main/`.
|
|
*
|
|
* When enabling for Android, be aware the dumps are not shipped there, and
|
|
* hence the `get` may take a while to return.
|
|
*/
|
|
async #setupRemoteSettings() {
|
|
// Now we have the values, listen for future updates.
|
|
let listener = this.#handleIgnoreListUpdated.bind(this);
|
|
|
|
const current = await lazy.IgnoreLists.getAndSubscribe(listener);
|
|
// Only save the listener after the subscribe, otherwise for tests it might
|
|
// not be fully set up by the time we remove it again.
|
|
this.ignoreListListener = listener;
|
|
|
|
await this.#handleIgnoreListUpdated({ data: { current } });
|
|
Services.obs.notifyObservers(
|
|
null,
|
|
lazy.SearchUtils.TOPIC_SEARCH_SERVICE,
|
|
"settings-update-complete"
|
|
);
|
|
}
|
|
|
|
/**
|
|
* This handles updating of the ignore list settings, and removing any ignored
|
|
* engines.
|
|
*
|
|
* @param {object} eventData
|
|
* The event in the format received from RemoteSettings.
|
|
*/
|
|
async #handleIgnoreListUpdated(eventData) {
|
|
lazy.logConsole.debug("#handleIgnoreListUpdated");
|
|
const {
|
|
data: { current },
|
|
} = eventData;
|
|
|
|
for (const entry of current) {
|
|
if (entry.id == "load-paths") {
|
|
this.#loadPathIgnoreList = [...entry.matches];
|
|
} else if (entry.id == "submission-urls") {
|
|
this.#submissionURLIgnoreList = [...entry.matches];
|
|
}
|
|
}
|
|
|
|
// If we have not finished initializing, then we wait for the initialization
|
|
// to complete.
|
|
if (!this.isInitialized) {
|
|
await this.#initObservers;
|
|
}
|
|
// We try to remove engines manually, as this should be more efficient and
|
|
// we don't really want to cause a re-init as this upsets unit tests.
|
|
let engineRemoved = false;
|
|
for (let engine of this._engines.values()) {
|
|
if (this.#engineMatchesIgnoreLists(engine)) {
|
|
await this.removeEngine(engine);
|
|
engineRemoved = true;
|
|
}
|
|
}
|
|
// If we've removed an engine, and we don't have any left, we need to
|
|
// reload the engines - it is possible the settings just had one engine in it,
|
|
// and that is now empty, so we need to load from our main list.
|
|
if (engineRemoved && !this._engines.size) {
|
|
this._maybeReloadEngines().catch(Cu.reportError);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determines if a given engine matches the ignorelists or not.
|
|
*
|
|
* @param {Engine} engine
|
|
* The engine to check against the ignorelists.
|
|
* @returns {boolean}
|
|
* Returns true if the engine matches a ignorelists entry.
|
|
*/
|
|
#engineMatchesIgnoreLists(engine) {
|
|
if (this.#loadPathIgnoreList.includes(engine._loadPath)) {
|
|
return true;
|
|
}
|
|
let url = engine
|
|
._getURLOfType("text/html")
|
|
.getSubmission("dummy", engine)
|
|
.uri.spec.toLowerCase();
|
|
if (
|
|
this.#submissionURLIgnoreList.some(code =>
|
|
url.includes(code.toLowerCase())
|
|
)
|
|
) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Handles the search configuration being - adds a wait on the user
|
|
* being idle, before the search engine update gets handled.
|
|
*/
|
|
#handleConfigurationUpdated() {
|
|
if (this.#queuedIdle) {
|
|
return;
|
|
}
|
|
|
|
this.#queuedIdle = true;
|
|
|
|
this.idleService.addIdleObserver(this, RECONFIG_IDLE_TIME_SEC);
|
|
}
|
|
|
|
/**
|
|
* Returns the engine that is the default for this locale/region, ignoring any
|
|
* user changes to the default engine.
|
|
*
|
|
* @param {boolean} privateMode
|
|
* Set to true to return the default engine in private mode,
|
|
* false for normal mode.
|
|
* @returns {SearchEngine}
|
|
* The engine that is default.
|
|
*/
|
|
#appDefaultEngine(privateMode = false) {
|
|
let defaultEngine = this.#getEngineByWebExtensionDetails(
|
|
privateMode && this.#searchPrivateDefault
|
|
? this.#searchPrivateDefault
|
|
: this._searchDefault
|
|
);
|
|
|
|
if (defaultEngine) {
|
|
return defaultEngine;
|
|
}
|
|
|
|
if (privateMode) {
|
|
// If for some reason we can't find the private mode engine, fall back
|
|
// to the non-private one.
|
|
return this.#appDefaultEngine(false);
|
|
}
|
|
|
|
// Something unexpected has happened. In order to recover the app default
|
|
// engine, use the first visible engine which is the best we can do.
|
|
return this.#sortedVisibleEngines[0];
|
|
}
|
|
|
|
/**
|
|
* Loads engines asynchronously.
|
|
*
|
|
* @param {object} settings
|
|
* An object representing the search engine settings.
|
|
*/
|
|
async #loadEngines(settings) {
|
|
// Get user's current settings and search engine before we load engines from
|
|
// config. These values will be compared after engines are loaded.
|
|
let prevMetaData = { ...settings?.metaData };
|
|
let prevCurrentEngine = prevMetaData.current;
|
|
let prevAppDefaultEngine = prevMetaData?.appDefaultEngine;
|
|
|
|
lazy.logConsole.debug("#loadEngines: start");
|
|
let { engines, privateDefault } = await this._fetchEngineSelectorEngines();
|
|
this.#setDefaultAndOrdersFromSelector(engines, privateDefault);
|
|
|
|
// We've done what we can without the add-on manager, now ensure that
|
|
// it has finished starting before we continue.
|
|
await lazy.AddonManager.readyPromise;
|
|
|
|
let newEngines = await this.#loadEnginesFromConfig(engines);
|
|
for (let engine of newEngines) {
|
|
this.#addEngineToStore(engine);
|
|
}
|
|
|
|
lazy.logConsole.debug(
|
|
"#loadEngines: loading",
|
|
this.#startupExtensions.size,
|
|
"engines reported by AddonManager startup"
|
|
);
|
|
for (let extension of this.#startupExtensions) {
|
|
await this.#installExtensionEngine(
|
|
extension,
|
|
[lazy.SearchUtils.DEFAULT_TAG],
|
|
true
|
|
);
|
|
}
|
|
this.#startupExtensions.clear();
|
|
|
|
this.#loadEnginesFromSettings(settings.engines);
|
|
|
|
this.#loadEnginesMetadataFromSettings(settings.engines);
|
|
|
|
lazy.logConsole.debug("#loadEngines: done");
|
|
|
|
let newCurrentEngine = this._getEngineDefault(false)?.name;
|
|
this._settings.setMetaDataAttribute(
|
|
"appDefaultEngine",
|
|
this.appDefaultEngine?.name
|
|
);
|
|
|
|
if (
|
|
this.#shouldDisplayRemovalOfEngineNotificationBox(
|
|
settings,
|
|
prevMetaData,
|
|
newCurrentEngine,
|
|
prevCurrentEngine,
|
|
prevAppDefaultEngine
|
|
)
|
|
) {
|
|
this._showRemovalOfSearchEngineNotificationBox(
|
|
prevCurrentEngine || prevAppDefaultEngine,
|
|
newCurrentEngine
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper function to determine if the removal of search engine notification
|
|
* box should be displayed.
|
|
*
|
|
* @param { object } settings
|
|
* The user's search engine settings.
|
|
* @param { object } prevMetaData
|
|
* The user's previous search settings metadata.
|
|
* @param { object } newCurrentEngine
|
|
* The user's new current default engine.
|
|
* @param { object } prevCurrentEngine
|
|
* The user's previous default engine.
|
|
* @param { object } prevAppDefaultEngine
|
|
* The user's previous app default engine.
|
|
* @returns { boolean }
|
|
* Return true if the previous default engine has been removed and
|
|
* notification box should be displayed.
|
|
*/
|
|
#shouldDisplayRemovalOfEngineNotificationBox(
|
|
settings,
|
|
prevMetaData,
|
|
newCurrentEngine,
|
|
prevCurrentEngine,
|
|
prevAppDefaultEngine
|
|
) {
|
|
if (
|
|
!Services.prefs.getBoolPref("browser.search.removeEngineInfobar.enabled")
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
// If for some reason we were unable to install any engines and hence no
|
|
// default engine, do not display the notification box
|
|
if (!newCurrentEngine) {
|
|
return false;
|
|
}
|
|
|
|
// If the user's previous engine is different than the new current engine,
|
|
// or if the user was using the app default engine and the app default
|
|
// engine is different than the new current engine, we check if the user's
|
|
// settings metadata has been upddated.
|
|
if (
|
|
(prevCurrentEngine && prevCurrentEngine !== newCurrentEngine) ||
|
|
(!prevCurrentEngine &&
|
|
prevAppDefaultEngine &&
|
|
prevAppDefaultEngine !== newCurrentEngine)
|
|
) {
|
|
// Check settings metadata to detect an update to locale. Sometimes when
|
|
// the user changes their locale it causes a change in engines.
|
|
// If there is no update to settings metadata then the engine change was
|
|
// caused by an update to config rather than a user changing their locale.
|
|
if (!this.#didSettingsMetaDataUpdate(prevMetaData)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Loads engines as specified by the configuration. We only expect
|
|
* configured engines here, user engines should not be listed.
|
|
*
|
|
* @param {array} engineConfigs
|
|
* An array of engines configurations based on the schema.
|
|
* @returns {array.<nsISearchEngine>}
|
|
* Returns an array of the loaded search engines. This may be
|
|
* smaller than the original list if not all engines can be loaded.
|
|
*/
|
|
async #loadEnginesFromConfig(engineConfigs) {
|
|
lazy.logConsole.debug("#loadEnginesFromConfig");
|
|
let engines = [];
|
|
for (let config of engineConfigs) {
|
|
try {
|
|
let engine = await this._makeEngineFromConfig(config);
|
|
engines.push(engine);
|
|
} catch (ex) {
|
|
console.error(
|
|
`Could not load engine ${
|
|
"webExtension" in config ? config.webExtension.id : "unknown"
|
|
}: ${ex}`
|
|
);
|
|
}
|
|
}
|
|
return engines;
|
|
}
|
|
|
|
/**
|
|
* Reloads engines asynchronously, but only when
|
|
* the service has already been initialized.
|
|
*
|
|
* This is prefixed with _ rather than # because it is
|
|
* called in test_reload_engines.js
|
|
*/
|
|
async _maybeReloadEngines() {
|
|
if (this.#maybeReloadDebounce) {
|
|
lazy.logConsole.debug("We're already waiting to reload engines.");
|
|
return;
|
|
}
|
|
|
|
if (!this._initialized || this._reloadingEngines) {
|
|
this.#maybeReloadDebounce = true;
|
|
// Schedule a reload to happen at most 10 seconds after the current run.
|
|
Services.tm.idleDispatchToMainThread(() => {
|
|
if (!this.#maybeReloadDebounce) {
|
|
return;
|
|
}
|
|
this.#maybeReloadDebounce = false;
|
|
this._maybeReloadEngines().catch(Cu.reportError);
|
|
}, 10000);
|
|
lazy.logConsole.debug(
|
|
"Post-poning maybeReloadEngines() as we're currently initializing."
|
|
);
|
|
return;
|
|
}
|
|
|
|
// Before entering `_reloadingEngines` get the settings which we'll need.
|
|
// This also ensures that any pending settings have finished being written,
|
|
// which could otherwise cause data loss.
|
|
let settings = await this._settings.get();
|
|
|
|
lazy.logConsole.debug("Running maybeReloadEngines");
|
|
this._reloadingEngines = true;
|
|
|
|
try {
|
|
await this._reloadEngines(settings);
|
|
} catch (ex) {
|
|
lazy.logConsole.error("maybeReloadEngines failed", ex);
|
|
}
|
|
this._reloadingEngines = false;
|
|
lazy.logConsole.debug("maybeReloadEngines complete");
|
|
}
|
|
|
|
// This is prefixed with _ rather than # because it is called in
|
|
// test_remove_engine_notification_box.js
|
|
async _reloadEngines(settings) {
|
|
// Capture the current engine state, in case we need to notify below.
|
|
let prevCurrentEngine = this.#currentEngine;
|
|
let prevPrivateEngine = this.#currentPrivateEngine;
|
|
let prevMetaData = { ...settings?.metaData };
|
|
|
|
// Ensure that we don't set the useSavedOrder flag whilst we're doing this.
|
|
// This isn't a user action, so we shouldn't be switching it.
|
|
this.#dontSetUseSavedOrder = true;
|
|
|
|
// The order of work here is designed to avoid potential issues when updating
|
|
// the default engines, so that we're not removing active defaults or trying
|
|
// to set a default to something that hasn't been added yet. The order is:
|
|
//
|
|
// 1) Update exising engines that are in both the old and new configuration.
|
|
// 2) Add any new engines from the new configuration.
|
|
// 3) Update the default engines.
|
|
// 4) Remove any old engines.
|
|
|
|
let {
|
|
engines: appDefaultConfigEngines,
|
|
privateDefault,
|
|
} = await this._fetchEngineSelectorEngines();
|
|
|
|
let enginesToRemove = [];
|
|
let configEngines = [...appDefaultConfigEngines];
|
|
let oldEngineList = [...this._engines.values()];
|
|
|
|
for (let engine of oldEngineList) {
|
|
if (!engine.isAppProvided) {
|
|
continue;
|
|
}
|
|
|
|
let index = configEngines.findIndex(
|
|
e =>
|
|
e.webExtension.id == engine._extensionID &&
|
|
e.webExtension.locale == engine._locale
|
|
);
|
|
|
|
let policy, manifest, locale;
|
|
if (index == -1) {
|
|
// No engines directly match on id and locale, however, check to see
|
|
// if we have a new entry that matches on id and name - we might just
|
|
// be swapping the in-use locale.
|
|
let replacementEngines = configEngines.filter(
|
|
e => e.webExtension.id == engine._extensionID
|
|
);
|
|
// If there's no possible, or more than one, we treat these as distinct
|
|
// engines so we'll remove the existing engine and add new later if
|
|
// necessary.
|
|
if (replacementEngines.length != 1) {
|
|
enginesToRemove.push(engine);
|
|
continue;
|
|
}
|
|
|
|
policy = await this.#getExtensionPolicy(engine._extensionID);
|
|
locale =
|
|
replacementEngines[0].webExtension.locale ||
|
|
lazy.SearchUtils.DEFAULT_TAG;
|
|
manifest = await this.#getManifestForLocale(policy.extension, locale);
|
|
|
|
// If the name is different, then we must treat the engine as different,
|
|
// and go through the remove and add cycle, rather than modifying the
|
|
// existing one.
|
|
if (
|
|
engine.name !=
|
|
manifest.chrome_settings_overrides.search_provider.name.trim()
|
|
) {
|
|
// No matching name, so just remove it.
|
|
enginesToRemove.push(engine);
|
|
continue;
|
|
}
|
|
|
|
// Update the index so we can handle the updating below.
|
|
index = configEngines.findIndex(
|
|
e =>
|
|
e.webExtension.id == replacementEngines[0].webExtension.id &&
|
|
e.webExtension.locale == replacementEngines[0].webExtension.locale
|
|
);
|
|
} else {
|
|
// This is an existing engine that we should update (we don't know if
|
|
// the configuration for this engine has changed or not).
|
|
policy = await this.#getExtensionPolicy(engine._extensionID);
|
|
locale = engine._locale;
|
|
manifest = await this.#getManifestForLocale(policy.extension, locale);
|
|
}
|
|
engine.updateFromManifest(
|
|
policy.extension.id,
|
|
policy.extension.baseURI,
|
|
manifest,
|
|
locale,
|
|
configEngines[index]
|
|
);
|
|
|
|
configEngines.splice(index, 1);
|
|
}
|
|
|
|
// Any remaining configuration engines are ones that we need to add.
|
|
for (let engine of configEngines) {
|
|
try {
|
|
let newEngine = await this._makeEngineFromConfig(engine);
|
|
this.#addEngineToStore(newEngine, true);
|
|
} catch (ex) {
|
|
lazy.logConsole.warn(
|
|
`Could not load engine ${
|
|
"webExtension" in engine ? engine.webExtension.id : "unknown"
|
|
}: ${ex}`
|
|
);
|
|
}
|
|
}
|
|
this.#loadEnginesMetadataFromSettings(settings.engines);
|
|
|
|
// Now set the sort out the default engines and notify as appropriate.
|
|
this.#currentEngine = null;
|
|
this.#currentPrivateEngine = null;
|
|
// If the user's default is one of the private engines that is being removed,
|
|
// reset the stored setting, so that we correctly detect the change in
|
|
// in default.
|
|
if (
|
|
prevCurrentEngine &&
|
|
enginesToRemove.some(e => e.name == prevCurrentEngine.name)
|
|
) {
|
|
this._settings.setMetaDataAttribute("current", "");
|
|
}
|
|
if (
|
|
prevPrivateEngine &&
|
|
enginesToRemove.some(e => e.name == prevPrivateEngine.name)
|
|
) {
|
|
this._settings.setMetaDataAttribute("private", "");
|
|
}
|
|
|
|
this.#setDefaultAndOrdersFromSelector(
|
|
appDefaultConfigEngines,
|
|
privateDefault
|
|
);
|
|
|
|
// If the defaultEngine has changed between the previous load and this one,
|
|
// dispatch the appropriate notifications.
|
|
if (prevCurrentEngine && this.defaultEngine !== prevCurrentEngine) {
|
|
lazy.SearchUtils.notifyAction(
|
|
this.#currentEngine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.DEFAULT
|
|
);
|
|
// If we've not got a separate private active, notify update of the
|
|
// private so that the UI updates correctly.
|
|
if (!this.#separatePrivateDefault) {
|
|
lazy.SearchUtils.notifyAction(
|
|
this.#currentEngine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.DEFAULT_PRIVATE
|
|
);
|
|
}
|
|
|
|
if (
|
|
prevMetaData &&
|
|
settings.metaData &&
|
|
!this.#didSettingsMetaDataUpdate(prevMetaData) &&
|
|
Services.prefs.getBoolPref("browser.search.removeEngineInfobar.enabled")
|
|
) {
|
|
this._showRemovalOfSearchEngineNotificationBox(
|
|
prevCurrentEngine.name,
|
|
this.defaultEngine.name
|
|
);
|
|
}
|
|
}
|
|
|
|
if (
|
|
this.#separatePrivateDefault &&
|
|
prevPrivateEngine &&
|
|
this.defaultPrivateEngine !== prevPrivateEngine
|
|
) {
|
|
lazy.SearchUtils.notifyAction(
|
|
this.#currentPrivateEngine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.DEFAULT_PRIVATE
|
|
);
|
|
}
|
|
|
|
// Finally, remove any engines that need removing.
|
|
|
|
for (let engine of enginesToRemove) {
|
|
// If we have other engines that use the same extension ID, then
|
|
// we do not want to remove the add-on - only remove the engine itself.
|
|
let inUseEngines = [...this._engines.values()].filter(
|
|
e => e._extensionID == engine._extensionID
|
|
);
|
|
|
|
if (inUseEngines.length <= 1) {
|
|
if (inUseEngines.length == 1 && inUseEngines[0] == engine) {
|
|
// No other engines are using this extension ID.
|
|
|
|
// The internal remove is done first to avoid a call to removeEngine
|
|
// which could adjust the sort order when we don't want it to.
|
|
this.#internalRemoveEngine(engine);
|
|
|
|
let addon = await lazy.AddonManager.getAddonByID(engine._extensionID);
|
|
if (addon) {
|
|
// AddonManager won't call removeEngine if an engine with the
|
|
// WebExtension id doesn't exist in the search service.
|
|
await addon.uninstall();
|
|
}
|
|
}
|
|
// For the case where `inUseEngines[0] != engine`:
|
|
// This is a situation where there was an engine added earlier in this
|
|
// function with the same name.
|
|
// For example, eBay has the same name for both US and GB, but has
|
|
// a different domain and uses a different locale of the same
|
|
// WebExtension.
|
|
// The result of this is the earlier addition has already replaced
|
|
// the engine in `this._engines` (which is indexed by name), so all that
|
|
// needs to be done here is to pretend the old engine was removed
|
|
// which is notified below.
|
|
} else {
|
|
// More than one engine is using this extension ID, so we don't want to
|
|
// remove the add-on.
|
|
this.#internalRemoveEngine(engine);
|
|
}
|
|
lazy.SearchUtils.notifyAction(
|
|
engine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.REMOVED
|
|
);
|
|
}
|
|
|
|
// Save app default engine to the user's settings metaData incase it has
|
|
// been updated
|
|
this._settings.setMetaDataAttribute(
|
|
"appDefaultEngine",
|
|
this.appDefaultEngine?.name
|
|
);
|
|
|
|
this.#dontSetUseSavedOrder = false;
|
|
// Clear out the sorted engines settings, so that we re-sort it if necessary.
|
|
this._cachedSortedEngines = null;
|
|
Services.obs.notifyObservers(
|
|
null,
|
|
lazy.SearchUtils.TOPIC_SEARCH_SERVICE,
|
|
"engines-reloaded"
|
|
);
|
|
}
|
|
|
|
#addEngineToStore(engine, skipDuplicateCheck = false) {
|
|
if (this.#engineMatchesIgnoreLists(engine)) {
|
|
lazy.logConsole.debug("#addEngineToStore: Ignoring engine");
|
|
return;
|
|
}
|
|
|
|
lazy.logConsole.debug("#addEngineToStore: Adding engine:", engine.name);
|
|
|
|
// See if there is an existing engine with the same name. However, if this
|
|
// engine is updating another engine, it's allowed to have the same name.
|
|
var hasSameNameAsUpdate =
|
|
engine._engineToUpdate && engine.name == engine._engineToUpdate.name;
|
|
if (
|
|
!skipDuplicateCheck &&
|
|
this._engines.has(engine.name) &&
|
|
!hasSameNameAsUpdate
|
|
) {
|
|
lazy.logConsole.debug(
|
|
"#addEngineToStore: Duplicate engine found, aborting!"
|
|
);
|
|
return;
|
|
}
|
|
|
|
if (engine._engineToUpdate) {
|
|
// We need to replace engineToUpdate with the engine that just loaded.
|
|
var oldEngine = engine._engineToUpdate;
|
|
|
|
// Remove the old engine from the hash, since it's keyed by name, and our
|
|
// name might change (the update might have a new name).
|
|
this._engines.delete(oldEngine.name);
|
|
|
|
// Hack: we want to replace the old engine with the new one, but since
|
|
// people may be holding refs to the nsISearchEngine objects themselves,
|
|
// we'll just copy over all "private" properties (those without a getter
|
|
// or setter) from one object to the other.
|
|
for (var p in engine) {
|
|
if (!(engine.__lookupGetter__(p) || engine.__lookupSetter__(p))) {
|
|
oldEngine[p] = engine[p];
|
|
}
|
|
}
|
|
engine = oldEngine;
|
|
engine._engineToUpdate = null;
|
|
|
|
// Add the engine back
|
|
this._engines.set(engine.name, engine);
|
|
lazy.SearchUtils.notifyAction(
|
|
engine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.CHANGED
|
|
);
|
|
} else {
|
|
// Not an update, just add the new engine.
|
|
this._engines.set(engine.name, engine);
|
|
// Only add the engine to the list of sorted engines if the initial list
|
|
// has already been built (i.e. if this._cachedSortedEngines is non-null). If
|
|
// it hasn't, we're loading engines from disk and the sorted engine list
|
|
// will be built once we need it.
|
|
if (this._cachedSortedEngines && !this.#dontSetUseSavedOrder) {
|
|
this._cachedSortedEngines.push(engine);
|
|
this.#saveSortedEngineList();
|
|
}
|
|
lazy.SearchUtils.notifyAction(
|
|
engine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.ADDED
|
|
);
|
|
}
|
|
|
|
// Let the engine know it can start notifying new updates.
|
|
engine._engineAddedToStore = true;
|
|
|
|
if (engine._hasUpdates) {
|
|
// Schedule the engine's next update, if it isn't already.
|
|
if (!engine.getAttr("updateexpir")) {
|
|
engineUpdateService.scheduleNextUpdate(engine);
|
|
}
|
|
}
|
|
}
|
|
|
|
#loadEnginesMetadataFromSettings(engines) {
|
|
if (!engines) {
|
|
return;
|
|
}
|
|
|
|
for (let engine of engines) {
|
|
let name = engine._name;
|
|
if (this._engines.has(name)) {
|
|
lazy.logConsole.debug(
|
|
"#loadEnginesMetadataFromSettings, transfering metadata for",
|
|
name,
|
|
engine._metaData
|
|
);
|
|
let eng = this._engines.get(name);
|
|
// We used to store the alias in metadata.alias, in 1621892 that was
|
|
// changed to only store the user set alias in metadata.alias, remove
|
|
// it from metadata if it was previously set to the internal value.
|
|
if (eng._alias === engine?._metaData?.alias) {
|
|
delete engine._metaData.alias;
|
|
}
|
|
eng._metaData = engine._metaData || {};
|
|
}
|
|
}
|
|
}
|
|
|
|
#loadEnginesFromSettings(enginesCache) {
|
|
if (!enginesCache) {
|
|
return;
|
|
}
|
|
|
|
lazy.logConsole.debug(
|
|
"#loadEnginesFromSettings: Loading",
|
|
enginesCache.length,
|
|
"engines from settings"
|
|
);
|
|
|
|
let skippedEngines = 0;
|
|
for (let engineJSON of enginesCache) {
|
|
// We renamed isBuiltin to isAppProvided in bug 1631898,
|
|
// keep checking isBuiltin for older settings.
|
|
if (engineJSON._isAppProvided || engineJSON._isBuiltin) {
|
|
++skippedEngines;
|
|
continue;
|
|
}
|
|
|
|
// Some OpenSearch type engines are now obsolete and no longer supported.
|
|
// These were application provided engines that used to use the OpenSearch
|
|
// format before gecko transitioned to WebExtensions.
|
|
// These will sometimes have been missed in migration due to various
|
|
// reasons, and due to how the settings saves everything. We therefore
|
|
// explicitly ignore them here to drop them, and let the rest of the code
|
|
// fallback to the application/distribution default if necessary.
|
|
let loadPath = engineJSON._loadPath?.toLowerCase();
|
|
if (
|
|
loadPath &&
|
|
// Replaced by application provided in Firefox 79.
|
|
(loadPath.startsWith("[distribution]") ||
|
|
// Langpack engines moved in-app in Firefox 62.
|
|
// Note: these may be prefixed by jar:,
|
|
loadPath.includes("[app]/extensions/langpack") ||
|
|
loadPath.includes("[other]/langpack") ||
|
|
loadPath.includes("[profile]/extensions/langpack") ||
|
|
// Old omni.ja engines also moved to in-app in Firefox 62.
|
|
loadPath.startsWith("jar:[app]/omni.ja"))
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
try {
|
|
let engine;
|
|
if (loadPath?.includes("set-via-policy")) {
|
|
engine = new lazy.PolicySearchEngine({ json: engineJSON });
|
|
} else if (loadPath?.includes("set-via-user")) {
|
|
engine = new lazy.UserSearchEngine({ json: engineJSON });
|
|
} else if (engineJSON.extensionID ?? engineJSON._extensionID) {
|
|
engine = new lazy.AddonSearchEngine({
|
|
isAppProvided: false,
|
|
json: engineJSON,
|
|
});
|
|
} else {
|
|
engine = new lazy.OpenSearchEngine({
|
|
json: engineJSON,
|
|
});
|
|
}
|
|
this.#addEngineToStore(engine);
|
|
} catch (ex) {
|
|
lazy.logConsole.error(
|
|
"Failed to load",
|
|
engineJSON._name,
|
|
"from settings:",
|
|
ex,
|
|
engineJSON
|
|
);
|
|
}
|
|
}
|
|
|
|
if (skippedEngines) {
|
|
lazy.logConsole.debug(
|
|
"#loadEnginesFromSettings: skipped",
|
|
skippedEngines,
|
|
"built-in engines."
|
|
);
|
|
}
|
|
}
|
|
|
|
// This is prefixed with _ rather than # because it is
|
|
// called in test_remove_engine_notification_box.js
|
|
async _fetchEngineSelectorEngines() {
|
|
let searchEngineSelectorProperties = {
|
|
locale: Services.locale.appLocaleAsBCP47,
|
|
region: lazy.Region.home || "default",
|
|
channel: AppConstants.MOZ_APP_VERSION_DISPLAY.endsWith("esr")
|
|
? "esr"
|
|
: AppConstants.MOZ_UPDATE_CHANNEL,
|
|
experiment: lazy.NimbusFeatures.search.getVariable("experiment") ?? "",
|
|
distroID: lazy.SearchUtils.distroID ?? "",
|
|
};
|
|
|
|
for (let [key, value] of Object.entries(searchEngineSelectorProperties)) {
|
|
this._settings.setMetaDataAttribute(key, value);
|
|
}
|
|
|
|
let {
|
|
engines,
|
|
privateDefault,
|
|
} = await this.#engineSelector.fetchEngineConfiguration(
|
|
searchEngineSelectorProperties
|
|
);
|
|
|
|
for (let e of engines) {
|
|
if (!e.webExtension) {
|
|
e.webExtension = {};
|
|
}
|
|
e.webExtension.locale =
|
|
e.webExtension?.locale ?? lazy.SearchUtils.DEFAULT_TAG;
|
|
}
|
|
|
|
return { engines, privateDefault };
|
|
}
|
|
|
|
#setDefaultAndOrdersFromSelector(engines, privateDefault) {
|
|
const defaultEngine = engines[0];
|
|
this._searchDefault = {
|
|
id: defaultEngine.webExtension.id,
|
|
locale: defaultEngine.webExtension.locale,
|
|
};
|
|
if (privateDefault) {
|
|
this.#searchPrivateDefault = {
|
|
id: privateDefault.webExtension.id,
|
|
locale: privateDefault.webExtension.locale,
|
|
};
|
|
}
|
|
}
|
|
|
|
#saveSortedEngineList() {
|
|
lazy.logConsole.debug("#saveSortedEngineList");
|
|
|
|
// Set the useSavedOrder attribute to indicate that from now on we should
|
|
// use the user's order information stored in settings.
|
|
this._settings.setMetaDataAttribute("useSavedOrder", true);
|
|
|
|
var engines = this.#sortedEngines;
|
|
|
|
for (var i = 0; i < engines.length; ++i) {
|
|
engines[i].setAttr("order", i + 1);
|
|
}
|
|
}
|
|
|
|
#buildSortedEngineList() {
|
|
// We must initialise _cachedSortedEngines here to avoid infinite recursion
|
|
// in the case of tests which don't define a default search engine.
|
|
// If there's no default defined, then we revert to the first item in the
|
|
// sorted list, but we can't do that if we don't have a list.
|
|
this._cachedSortedEngines = [];
|
|
|
|
// If the user has specified a custom engine order, read the order
|
|
// information from the metadata instead of the default prefs.
|
|
if (this._settings.getMetaDataAttribute("useSavedOrder")) {
|
|
lazy.logConsole.debug("#buildSortedEngineList: using saved order");
|
|
let addedEngines = {};
|
|
|
|
// Flag to keep track of whether or not we need to call #saveSortedEngineList.
|
|
let needToSaveEngineList = false;
|
|
|
|
for (let engine of this._engines.values()) {
|
|
var orderNumber = engine.getAttr("order");
|
|
|
|
// Since the DB isn't regularly cleared, and engine files may disappear
|
|
// without us knowing, we may already have an engine in this slot. If
|
|
// that happens, we just skip it - it will be added later on as an
|
|
// unsorted engine.
|
|
if (orderNumber && !this._cachedSortedEngines[orderNumber - 1]) {
|
|
this._cachedSortedEngines[orderNumber - 1] = engine;
|
|
addedEngines[engine.name] = engine;
|
|
} else {
|
|
// We need to call #saveSortedEngineList so this gets sorted out.
|
|
needToSaveEngineList = true;
|
|
}
|
|
}
|
|
|
|
// Filter out any nulls for engines that may have been removed
|
|
var filteredEngines = this._cachedSortedEngines.filter(function(a) {
|
|
return !!a;
|
|
});
|
|
if (this._cachedSortedEngines.length != filteredEngines.length) {
|
|
needToSaveEngineList = true;
|
|
}
|
|
this._cachedSortedEngines = filteredEngines;
|
|
|
|
if (needToSaveEngineList) {
|
|
this.#saveSortedEngineList();
|
|
}
|
|
|
|
// Array for the remaining engines, alphabetically sorted.
|
|
let alphaEngines = [];
|
|
|
|
for (let engine of this._engines.values()) {
|
|
if (!(engine.name in addedEngines)) {
|
|
alphaEngines.push(engine);
|
|
}
|
|
}
|
|
|
|
const collator = new Intl.Collator();
|
|
alphaEngines.sort((a, b) => {
|
|
return collator.compare(a.name, b.name);
|
|
});
|
|
return (this._cachedSortedEngines = this._cachedSortedEngines.concat(
|
|
alphaEngines
|
|
));
|
|
}
|
|
lazy.logConsole.debug("#buildSortedEngineList: using default orders");
|
|
|
|
return (this._cachedSortedEngines = this._sortEnginesByDefaults(
|
|
Array.from(this._engines.values())
|
|
));
|
|
}
|
|
|
|
/**
|
|
* Sorts engines by the default settings (prefs, configuration values).
|
|
*
|
|
* @param {Array} engines
|
|
* An array of engine objects to sort.
|
|
* @returns {Array}
|
|
* The sorted array of engine objects.
|
|
*
|
|
* This is a private method with _ rather than # because it is
|
|
* called in a test.
|
|
*/
|
|
_sortEnginesByDefaults(engines) {
|
|
const sortedEngines = [];
|
|
const addedEngines = new Set();
|
|
|
|
function maybeAddEngineToSort(engine) {
|
|
if (!engine || addedEngines.has(engine.name)) {
|
|
return;
|
|
}
|
|
|
|
sortedEngines.push(engine);
|
|
addedEngines.add(engine.name);
|
|
}
|
|
|
|
// The app default engine should always be first in the list (except
|
|
// for distros, that we should respect).
|
|
const appDefault = this.appDefaultEngine;
|
|
maybeAddEngineToSort(appDefault);
|
|
|
|
// If there's a private default, and it is different to the normal
|
|
// default, then it should be second in the list.
|
|
const appPrivateDefault = this.appPrivateDefaultEngine;
|
|
if (appPrivateDefault && appPrivateDefault != appDefault) {
|
|
maybeAddEngineToSort(appPrivateDefault);
|
|
}
|
|
|
|
let remainingEngines;
|
|
const collator = new Intl.Collator();
|
|
|
|
remainingEngines = engines.filter(e => !addedEngines.has(e.name));
|
|
|
|
// We sort by highest orderHint first, then alphabetically by name.
|
|
remainingEngines.sort((a, b) => {
|
|
if (a._orderHint && b._orderHint) {
|
|
if (a._orderHint == b._orderHint) {
|
|
return collator.compare(a.name, b.name);
|
|
}
|
|
return b._orderHint - a._orderHint;
|
|
}
|
|
if (a._orderHint) {
|
|
return -1;
|
|
}
|
|
if (b._orderHint) {
|
|
return 1;
|
|
}
|
|
return collator.compare(a.name, b.name);
|
|
});
|
|
|
|
return [...sortedEngines, ...remainingEngines];
|
|
}
|
|
|
|
/**
|
|
* Get a sorted array of the visible engines.
|
|
* @returns {Array<SearchEngine>}
|
|
*/
|
|
|
|
get #sortedVisibleEngines() {
|
|
return this.#sortedEngines.filter(engine => !engine.hidden);
|
|
}
|
|
|
|
/**
|
|
* Migrates legacy add-ons which used the OpenSearch definitions to
|
|
* WebExtensions, if an equivalent WebExtension is installed.
|
|
*
|
|
* Run during the background checks.
|
|
*/
|
|
async #migrateLegacyEngines() {
|
|
lazy.logConsole.debug("Running migrate legacy engines");
|
|
|
|
const matchRegExp = /extensions\/(.*?)\.xpi!/i;
|
|
for (let engine of this._engines.values()) {
|
|
if (
|
|
!engine.isAppProvided &&
|
|
!engine._extensionID &&
|
|
engine._loadPath.includes("[profile]/extensions/")
|
|
) {
|
|
let match = engine._loadPath.match(matchRegExp);
|
|
if (match?.[1]) {
|
|
// There's a chance here that the WebExtension might not be
|
|
// installed any longer, even though the engine is. We'll deal
|
|
// with that in `checkWebExtensionEngines`.
|
|
let engines = await this.getEnginesByExtensionID(match[1]);
|
|
if (engines.length) {
|
|
lazy.logConsole.debug(
|
|
`Migrating ${engine.name} to WebExtension install`
|
|
);
|
|
|
|
if (this.defaultEngine == engine) {
|
|
this.defaultEngine = engines[0];
|
|
}
|
|
await this.removeEngine(engine);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
lazy.logConsole.debug("Migrate legacy engines complete");
|
|
}
|
|
|
|
/**
|
|
* Checks if Search Engines associated with WebExtensions are valid and
|
|
* up-to-date, and reports them via telemetry if not.
|
|
*
|
|
* Run during the background checks.
|
|
*/
|
|
async #checkWebExtensionEngines() {
|
|
lazy.logConsole.debug("Running check on WebExtension engines");
|
|
|
|
for (let engine of this._engines.values()) {
|
|
if (
|
|
engine.isAppProvided ||
|
|
!engine._extensionID ||
|
|
engine._extensionID == "set-via-policy" ||
|
|
engine._extensionID == "set-via-user"
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
let addon = await lazy.AddonManager.getAddonByID(engine._extensionID);
|
|
|
|
if (!addon) {
|
|
lazy.logConsole.debug(
|
|
`Add-on ${engine._extensionID} for search engine ${engine.name} is not installed!`
|
|
);
|
|
Services.telemetry.keyedScalarSet(
|
|
"browser.searchinit.engine_invalid_webextension",
|
|
engine._extensionID,
|
|
1
|
|
);
|
|
} else if (!addon.isActive) {
|
|
lazy.logConsole.debug(
|
|
`Add-on ${engine._extensionID} for search engine ${engine.name} is not active!`
|
|
);
|
|
Services.telemetry.keyedScalarSet(
|
|
"browser.searchinit.engine_invalid_webextension",
|
|
engine._extensionID,
|
|
2
|
|
);
|
|
} else {
|
|
let policy = await this.#getExtensionPolicy(engine._extensionID);
|
|
let providerSettings =
|
|
policy.extension.manifest?.chrome_settings_overrides?.search_provider;
|
|
|
|
if (!providerSettings) {
|
|
lazy.logConsole.debug(
|
|
`Add-on ${engine._extensionID} for search engine ${engine.name} no longer has an engine defined`
|
|
);
|
|
Services.telemetry.keyedScalarSet(
|
|
"browser.searchinit.engine_invalid_webextension",
|
|
engine._extensionID,
|
|
4
|
|
);
|
|
} else if (engine.name != providerSettings.name) {
|
|
lazy.logConsole.debug(
|
|
`Add-on ${engine._extensionID} for search engine ${engine.name} has a different name!`
|
|
);
|
|
Services.telemetry.keyedScalarSet(
|
|
"browser.searchinit.engine_invalid_webextension",
|
|
engine._extensionID,
|
|
5
|
|
);
|
|
} else if (!engine.checkSearchUrlMatchesManifest(providerSettings)) {
|
|
lazy.logConsole.debug(
|
|
`Add-on ${engine._extensionID} for search engine ${engine.name} has out-of-date manifest!`
|
|
);
|
|
Services.telemetry.keyedScalarSet(
|
|
"browser.searchinit.engine_invalid_webextension",
|
|
engine._extensionID,
|
|
6
|
|
);
|
|
}
|
|
}
|
|
}
|
|
lazy.logConsole.debug("WebExtension engine check complete");
|
|
}
|
|
|
|
/**
|
|
* Creates and adds a WebExtension based engine.
|
|
* Note: this is currently used for enterprise policy engines as well.
|
|
*
|
|
* @param {object} options
|
|
* @param {string} options.extensionID
|
|
* The extension ID being added for the engine.
|
|
* @param {nsIURI} [options.extensionBaseURI]
|
|
* The base URI of the extension.
|
|
* @param {boolean} options.isAppProvided
|
|
* True if the WebExtension is built-in or installed into the system scope.
|
|
* @param {object} options.manifest
|
|
* An object that represents the extension's manifest.
|
|
* @param {stirng} [options.locale]
|
|
* The locale to use within the WebExtension. Defaults to the WebExtension's
|
|
* default locale.
|
|
* @param {initEngine} [options.initEngine]
|
|
* Set to true if this engine is being loaded during initialisation.
|
|
*/
|
|
async _createAndAddEngine({
|
|
extensionID,
|
|
extensionBaseURI,
|
|
isAppProvided,
|
|
manifest,
|
|
locale = lazy.SearchUtils.DEFAULT_TAG,
|
|
initEngine = false,
|
|
}) {
|
|
// We install search extensions during the init phase, both built in
|
|
// web extensions freshly installed (via addEnginesFromExtension) or
|
|
// user installed extensions being reenabled calling this directly.
|
|
if (!this._initialized && !isAppProvided && !initEngine) {
|
|
await this.init();
|
|
}
|
|
|
|
let isCurrent = false;
|
|
|
|
// Special search engines (policy and user) are skipped for migration as
|
|
// there would never have been an OpenSearch engine associated with those.
|
|
for (let engine of this._engines.values()) {
|
|
if (
|
|
!engine.extensionID &&
|
|
engine._loadPath.startsWith(`jar:[profile]/extensions/${extensionID}`)
|
|
) {
|
|
// This is a legacy extension engine that needs to be migrated to WebExtensions.
|
|
lazy.logConsole.debug("Migrating existing engine");
|
|
isCurrent = isCurrent || this.defaultEngine == engine;
|
|
await this.removeEngine(engine);
|
|
}
|
|
}
|
|
|
|
let newEngine = new lazy.AddonSearchEngine({
|
|
isAppProvided,
|
|
details: {
|
|
extensionID,
|
|
extensionBaseURI,
|
|
manifest,
|
|
locale,
|
|
},
|
|
});
|
|
|
|
let existingEngine = this._engines.get(newEngine.name);
|
|
if (existingEngine) {
|
|
throw Components.Exception(
|
|
"An engine with that name already exists!",
|
|
Cr.NS_ERROR_FILE_ALREADY_EXISTS
|
|
);
|
|
}
|
|
|
|
this.#addEngineToStore(newEngine);
|
|
if (isCurrent) {
|
|
this.defaultEngine = newEngine;
|
|
}
|
|
return newEngine;
|
|
}
|
|
|
|
/**
|
|
* Called when we see an upgrade to an existing search extension.
|
|
*
|
|
* @param {object} extension
|
|
* An Extension object containing data about the extension.
|
|
*/
|
|
async #upgradeExtensionEngine(extension) {
|
|
let { engines } = await this._fetchEngineSelectorEngines();
|
|
let extensionEngines = await this.getEnginesByExtensionID(extension.id);
|
|
|
|
for (let engine of extensionEngines) {
|
|
let locale = engine._locale || lazy.SearchUtils.DEFAULT_TAG;
|
|
let manifest = await this.#getManifestForLocale(extension, locale);
|
|
let configuration =
|
|
engines.find(
|
|
e =>
|
|
e.webExtension.id == extension.id && e.webExtension.locale == locale
|
|
) ?? {};
|
|
|
|
let appDefaultName = engine.name;
|
|
let name = manifest.chrome_settings_overrides.search_provider.name.trim();
|
|
if (appDefaultName != name && this._engines.has(name)) {
|
|
throw new Error("Can't upgrade to the same name as an existing engine");
|
|
}
|
|
|
|
let isDefault = engine == this.defaultEngine;
|
|
let isDefaultPrivate = engine == this.defaultPrivateEngine;
|
|
|
|
engine.updateFromManifest(
|
|
extension.id,
|
|
extension.baseURI,
|
|
manifest,
|
|
locale,
|
|
configuration
|
|
);
|
|
|
|
if (appDefaultName != engine.name) {
|
|
this._engines.delete(appDefaultName);
|
|
this._engines.set(engine.name, engine);
|
|
if (isDefault) {
|
|
this._settings.setVerifiedMetaDataAttribute("current", engine.name);
|
|
}
|
|
if (isDefaultPrivate) {
|
|
this._settings.setVerifiedMetaDataAttribute("private", engine.name);
|
|
}
|
|
this._cachedSortedEngines = null;
|
|
}
|
|
}
|
|
return extensionEngines;
|
|
}
|
|
|
|
async #installExtensionEngine(extension, locales, initEngine = false) {
|
|
lazy.logConsole.debug("installExtensionEngine:", extension.id);
|
|
|
|
let installLocale = async locale => {
|
|
let manifest = await this.#getManifestForLocale(extension, locale);
|
|
return this.#addEngineForManifest(
|
|
extension,
|
|
manifest,
|
|
locale,
|
|
initEngine
|
|
);
|
|
};
|
|
|
|
let engines = [];
|
|
for (let locale of locales) {
|
|
lazy.logConsole.debug(
|
|
"addEnginesFromExtension: installing:",
|
|
extension.id,
|
|
":",
|
|
locale
|
|
);
|
|
engines.push(await installLocale(locale));
|
|
}
|
|
return engines;
|
|
}
|
|
|
|
async #addEngineForManifest(
|
|
extension,
|
|
manifest,
|
|
locale = lazy.SearchUtils.DEFAULT_TAG,
|
|
initEngine = false
|
|
) {
|
|
// If we're in the startup cycle, and we've already loaded this engine,
|
|
// then we use the existing one rather than trying to start from scratch.
|
|
// This also avoids console errors.
|
|
if (extension.startupReason == "APP_STARTUP") {
|
|
let engine = this.#getEngineByWebExtensionDetails({
|
|
id: extension.id,
|
|
locale,
|
|
});
|
|
if (engine) {
|
|
lazy.logConsole.debug(
|
|
"Engine already loaded via settings, skipping due to APP_STARTUP:",
|
|
extension.id
|
|
);
|
|
return engine;
|
|
}
|
|
}
|
|
|
|
return this._createAndAddEngine({
|
|
extensionID: extension.id,
|
|
extensionBaseURI: extension.baseURI,
|
|
isAppProvided: extension.isAppProvided,
|
|
manifest,
|
|
locale,
|
|
initEngine,
|
|
});
|
|
}
|
|
|
|
#internalRemoveEngine(engine) {
|
|
// Remove the engine from _sortedEngines
|
|
if (this._cachedSortedEngines) {
|
|
var index = this._cachedSortedEngines.indexOf(engine);
|
|
if (index == -1) {
|
|
throw Components.Exception(
|
|
"Can't find engine to remove in _sortedEngines!",
|
|
Cr.NS_ERROR_FAILURE
|
|
);
|
|
}
|
|
this._cachedSortedEngines.splice(index, 1);
|
|
}
|
|
|
|
// Remove the engine from the internal store
|
|
this._engines.delete(engine.name);
|
|
}
|
|
|
|
/**
|
|
* Helper function to find a new default engine and set it. This could
|
|
* be used if there is not default set yet, or if the current default is
|
|
* being removed.
|
|
*
|
|
* The new default will be chosen from (in order):
|
|
*
|
|
* - Existing default from configuration, if it is not hidden.
|
|
* - The first non-hidden engine that is a general search engine.
|
|
* - If all other engines are hidden, unhide the default from the configuration.
|
|
* - If the default from the configuration is the one being removed, unhide
|
|
* the first general search engine, or first visible engine.
|
|
*
|
|
* @param {boolean} privateMode
|
|
* If true, returns the default engine for private browsing mode, otherwise
|
|
* the default engine for the normal mode. Note, this function does not
|
|
* check the "separatePrivateDefault" preference - that is up to the caller.
|
|
* @param {string} [excludeEngineName]
|
|
* Exclude the given engine name from the search for a new engine. This is
|
|
* typically used when removing engines to ensure we do not try to reselect
|
|
* the same engine again.
|
|
* @returns {nsISearchEngine|null}
|
|
* The appropriate search engine, or null if one could not be determined.
|
|
*/
|
|
#findAndSetNewDefaultEngine({ privateMode, excludeEngineName = "" }) {
|
|
// First to the app default engine...
|
|
let newDefault = privateMode
|
|
? this.appPrivateDefaultEngine
|
|
: this.appDefaultEngine;
|
|
|
|
if (
|
|
!newDefault ||
|
|
newDefault.hidden ||
|
|
newDefault.name == excludeEngineName
|
|
) {
|
|
let sortedEngines = this.#sortedVisibleEngines;
|
|
let generalSearchEngines = sortedEngines.filter(
|
|
e => e.isGeneralPurposeEngine
|
|
);
|
|
|
|
// then to the first visible general search engine that isn't excluded...
|
|
let firstVisible = generalSearchEngines.find(
|
|
e => e.name != excludeEngineName
|
|
);
|
|
if (firstVisible) {
|
|
newDefault = firstVisible;
|
|
} else if (newDefault) {
|
|
// then to the app default if it is not the one that is excluded...
|
|
if (newDefault.name != excludeEngineName) {
|
|
newDefault.hidden = false;
|
|
} else {
|
|
newDefault = null;
|
|
}
|
|
}
|
|
|
|
// and finally as a last resort we unhide the first engine
|
|
// even if the name is the same as the excluded one (should never happen).
|
|
if (!newDefault) {
|
|
if (!firstVisible) {
|
|
sortedEngines = this.#sortedEngines;
|
|
firstVisible = sortedEngines.find(e => e.isGeneralPurposeEngine);
|
|
if (!firstVisible) {
|
|
firstVisible = sortedEngines[0];
|
|
}
|
|
}
|
|
if (firstVisible) {
|
|
firstVisible.hidden = false;
|
|
newDefault = firstVisible;
|
|
}
|
|
}
|
|
}
|
|
// We tried out best but something went very wrong.
|
|
if (!newDefault) {
|
|
lazy.logConsole.error("Could not find a replacement default engine.");
|
|
return null;
|
|
}
|
|
|
|
// If the current engine wasn't set or was hidden, we used a fallback
|
|
// to pick a new current engine. As soon as we return it, this new
|
|
// current engine will become user-visible, so we should persist it.
|
|
// by calling the setter.
|
|
this.#setEngineDefault(privateMode, newDefault);
|
|
|
|
return privateMode ? this.#currentPrivateEngine : this.#currentEngine;
|
|
}
|
|
|
|
/**
|
|
* Helper function to set the current default engine.
|
|
*
|
|
* @param {boolean} privateMode
|
|
* If true, sets the default engine for private browsing mode, otherwise
|
|
* sets the default engine for the normal mode. Note, this function does not
|
|
* check the "separatePrivateDefault" preference - that is up to the caller.
|
|
* @param {nsISearchEngine} newEngine
|
|
* The search engine to select
|
|
*/
|
|
#setEngineDefault(privateMode, newEngine) {
|
|
// Sometimes we get wrapped nsISearchEngine objects (external XPCOM callers),
|
|
// and sometimes we get raw Engine JS objects (callers in this file), so
|
|
// handle both.
|
|
if (
|
|
!(newEngine instanceof Ci.nsISearchEngine) &&
|
|
!(newEngine instanceof lazy.SearchEngine)
|
|
) {
|
|
throw Components.Exception(
|
|
"Invalid argument passed to defaultEngine setter",
|
|
Cr.NS_ERROR_INVALID_ARG
|
|
);
|
|
}
|
|
|
|
const newCurrentEngine = this._engines.get(newEngine.name);
|
|
if (!newCurrentEngine) {
|
|
throw Components.Exception(
|
|
"Can't find engine in store!",
|
|
Cr.NS_ERROR_UNEXPECTED
|
|
);
|
|
}
|
|
|
|
if (!newCurrentEngine.isAppProvided) {
|
|
// If a non default engine is being set as the current engine, ensure
|
|
// its loadPath has a verification hash.
|
|
if (!newCurrentEngine._loadPath) {
|
|
newCurrentEngine._loadPath = "[other]unknown";
|
|
}
|
|
let loadPathHash = lazy.SearchUtils.getVerificationHash(
|
|
newCurrentEngine._loadPath
|
|
);
|
|
let currentHash = newCurrentEngine.getAttr("loadPathHash");
|
|
if (!currentHash || currentHash != loadPathHash) {
|
|
newCurrentEngine.setAttr("loadPathHash", loadPathHash);
|
|
lazy.SearchUtils.notifyAction(
|
|
newCurrentEngine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.CHANGED
|
|
);
|
|
}
|
|
}
|
|
|
|
let currentEngine = privateMode
|
|
? this.#currentPrivateEngine
|
|
: this.#currentEngine;
|
|
|
|
if (newCurrentEngine == currentEngine) {
|
|
return;
|
|
}
|
|
|
|
// Ensure that we reset an engine override if it was previously overridden.
|
|
currentEngine?.removeExtensionOverride();
|
|
|
|
if (privateMode) {
|
|
this.#currentPrivateEngine = newCurrentEngine;
|
|
} else {
|
|
this.#currentEngine = newCurrentEngine;
|
|
}
|
|
|
|
// If we change the default engine in the future, that change should impact
|
|
// users who have switched away from and then back to the build's
|
|
// "app default" engine. So clear the user pref when the currentEngine is
|
|
// set to the build's app default engine, so that the currentEngine getter
|
|
// falls back to whatever the default is.
|
|
let newName = newCurrentEngine.name;
|
|
const appDefaultEngine = privateMode
|
|
? this.appPrivateDefaultEngine
|
|
: this.appDefaultEngine;
|
|
if (newCurrentEngine == appDefaultEngine) {
|
|
newName = "";
|
|
}
|
|
|
|
this._settings.setVerifiedMetaDataAttribute(
|
|
privateMode ? "private" : "current",
|
|
newName
|
|
);
|
|
|
|
// Only do this if we're initialized though - this function can get called
|
|
// during initalization.
|
|
if (this._initialized) {
|
|
this.#recordTelemetryData();
|
|
}
|
|
|
|
lazy.SearchUtils.notifyAction(
|
|
newCurrentEngine,
|
|
lazy.SearchUtils.MODIFIED_TYPE[
|
|
privateMode ? "DEFAULT_PRIVATE" : "DEFAULT"
|
|
]
|
|
);
|
|
// If we've not got a separate private active, notify update of the
|
|
// private so that the UI updates correctly.
|
|
if (!privateMode && !this.#separatePrivateDefault) {
|
|
lazy.SearchUtils.notifyAction(
|
|
newCurrentEngine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.DEFAULT_PRIVATE
|
|
);
|
|
}
|
|
}
|
|
|
|
#onSeparateDefaultPrefChanged() {
|
|
// Clear out the sorted engines settings, so that we re-sort it if necessary.
|
|
this._cachedSortedEngines = null;
|
|
// We should notify if the normal default, and the currently saved private
|
|
// default are different. Otherwise, save the energy.
|
|
if (this.defaultEngine != this._getEngineDefault(true)) {
|
|
lazy.SearchUtils.notifyAction(
|
|
// Always notify with the new private engine, the function checks
|
|
// the preference value for us.
|
|
this.defaultPrivateEngine,
|
|
lazy.SearchUtils.MODIFIED_TYPE.DEFAULT_PRIVATE
|
|
);
|
|
}
|
|
// Update the telemetry data.
|
|
this.#recordTelemetryData();
|
|
}
|
|
|
|
#getEngineInfo(engine) {
|
|
if (!engine) {
|
|
// The defaultEngine getter will throw if there's no engine at all,
|
|
// which shouldn't happen unless an add-on or a test deleted all of them.
|
|
// Our preferences UI doesn't let users do that.
|
|
Cu.reportError("getDefaultEngineInfo: No default engine");
|
|
return ["NONE", { name: "NONE" }];
|
|
}
|
|
|
|
const engineData = {
|
|
loadPath: engine._loadPath,
|
|
name: engine.name ? engine.name : "",
|
|
};
|
|
|
|
if (engine.isAppProvided) {
|
|
engineData.origin = "default";
|
|
} else {
|
|
let currentHash = engine.getAttr("loadPathHash");
|
|
if (!currentHash) {
|
|
engineData.origin = "unverified";
|
|
} else {
|
|
let loadPathHash = lazy.SearchUtils.getVerificationHash(
|
|
engine._loadPath
|
|
);
|
|
engineData.origin =
|
|
currentHash == loadPathHash ? "verified" : "invalid";
|
|
}
|
|
}
|
|
|
|
// For privacy, we only collect the submission URL for default engines...
|
|
let sendSubmissionURL = engine.isAppProvided;
|
|
|
|
if (!sendSubmissionURL) {
|
|
// ... or engines that are the same domain as a default engine.
|
|
let engineHost = engine._getURLOfType(lazy.SearchUtils.URL_TYPE.SEARCH)
|
|
.templateHost;
|
|
for (let innerEngine of this._engines.values()) {
|
|
if (!innerEngine.isAppProvided) {
|
|
continue;
|
|
}
|
|
|
|
let innerEngineURL = innerEngine._getURLOfType(
|
|
lazy.SearchUtils.URL_TYPE.SEARCH
|
|
);
|
|
if (innerEngineURL.templateHost == engineHost) {
|
|
sendSubmissionURL = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!sendSubmissionURL) {
|
|
// ... or well known search domains.
|
|
//
|
|
// Starts with: www.google., search.aol., yandex.
|
|
// or
|
|
// Ends with: search.yahoo.com, .ask.com, .bing.com, .startpage.com, baidu.com, duckduckgo.com
|
|
const urlTest = /^(?:www\.google\.|search\.aol\.|yandex\.)|(?:search\.yahoo|\.ask|\.bing|\.startpage|\.baidu|duckduckgo)\.com$/;
|
|
sendSubmissionURL = urlTest.test(engineHost);
|
|
}
|
|
}
|
|
|
|
if (sendSubmissionURL) {
|
|
let uri = engine
|
|
._getURLOfType("text/html")
|
|
.getSubmission("", engine, "searchbar").uri;
|
|
uri = uri
|
|
.mutate()
|
|
.setUserPass("") // Avoid reporting a username or password.
|
|
.finalize();
|
|
engineData.submissionURL = uri.spec;
|
|
}
|
|
|
|
return [engine.telemetryId, engineData];
|
|
}
|
|
|
|
/**
|
|
* Records the user's current default engine (normal and private) data to
|
|
* telemetry.
|
|
*/
|
|
#recordTelemetryData() {
|
|
let info = this.getDefaultEngineInfo();
|
|
|
|
Glean.searchEngineDefault.engineId.set(info.defaultSearchEngine);
|
|
Glean.searchEngineDefault.displayName.set(
|
|
info.defaultSearchEngineData.name
|
|
);
|
|
Glean.searchEngineDefault.loadPath.set(
|
|
info.defaultSearchEngineData.loadPath
|
|
);
|
|
Glean.searchEngineDefault.submissionUrl.set(
|
|
info.defaultSearchEngineData.submissionURL ?? "blank:"
|
|
);
|
|
Glean.searchEngineDefault.verified.set(info.defaultSearchEngineData.origin);
|
|
|
|
Glean.searchEnginePrivate.engineId.set(
|
|
info.defaultPrivateSearchEngine ?? ""
|
|
);
|
|
|
|
if (info.defaultPrivateSearchEngineData) {
|
|
Glean.searchEnginePrivate.displayName.set(
|
|
info.defaultPrivateSearchEngineData.name
|
|
);
|
|
Glean.searchEnginePrivate.loadPath.set(
|
|
info.defaultPrivateSearchEngineData.loadPath
|
|
);
|
|
Glean.searchEnginePrivate.submissionUrl.set(
|
|
info.defaultPrivateSearchEngineData.submissionURL ?? "blank:"
|
|
);
|
|
Glean.searchEnginePrivate.verified.set(
|
|
info.defaultPrivateSearchEngineData.origin
|
|
);
|
|
} else {
|
|
Glean.searchEnginePrivate.displayName.set("");
|
|
Glean.searchEnginePrivate.loadPath.set("");
|
|
Glean.searchEnginePrivate.submissionUrl.set("blank:");
|
|
Glean.searchEnginePrivate.verified.set("");
|
|
}
|
|
}
|
|
|
|
#buildParseSubmissionMap() {
|
|
this.#parseSubmissionMap = new Map();
|
|
|
|
// Used only while building the map, indicates which entries do not refer to
|
|
// the main domain of the engine but to an alternate domain, for example
|
|
// "www.google.fr" for the "www.google.com" search engine.
|
|
let keysOfAlternates = new Set();
|
|
|
|
for (let engine of this.#sortedEngines) {
|
|
if (engine.hidden) {
|
|
continue;
|
|
}
|
|
|
|
let urlParsingInfo = engine.getURLParsingInfo();
|
|
if (!urlParsingInfo) {
|
|
continue;
|
|
}
|
|
|
|
// Store the same object on each matching map key, as an optimization.
|
|
let mapValueForEngine = {
|
|
engine,
|
|
termsParameterName: urlParsingInfo.termsParameterName,
|
|
};
|
|
|
|
let processDomain = (domain, isAlternate) => {
|
|
let key = domain + urlParsingInfo.path;
|
|
|
|
// Apply the logic for which main domains take priority over alternate
|
|
// domains, even if they are found later in the ordered engine list.
|
|
let existingEntry = this.#parseSubmissionMap.get(key);
|
|
if (!existingEntry) {
|
|
if (isAlternate) {
|
|
keysOfAlternates.add(key);
|
|
}
|
|
} else if (!isAlternate && keysOfAlternates.has(key)) {
|
|
keysOfAlternates.delete(key);
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
this.#parseSubmissionMap.set(key, mapValueForEngine);
|
|
};
|
|
|
|
processDomain(urlParsingInfo.mainDomain, false);
|
|
lazy.SearchStaticData.getAlternateDomains(
|
|
urlParsingInfo.mainDomain
|
|
).forEach(d => processDomain(d, true));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the WebExtensionPolicy for an add-on.
|
|
*
|
|
* @param {string} id
|
|
* The WebExtension id.
|
|
* @returns {WebExtensionPolicy}
|
|
*/
|
|
async #getExtensionPolicy(id) {
|
|
let policy = WebExtensionPolicy.getByID(id);
|
|
if (!policy) {
|
|
let idPrefix = id.split("@")[0];
|
|
let path = `resource://search-extensions/${idPrefix}/`;
|
|
await lazy.AddonManager.installBuiltinAddon(path);
|
|
policy = WebExtensionPolicy.getByID(id);
|
|
}
|
|
// On startup the extension may have not finished parsing the
|
|
// manifest, wait for that here.
|
|
await policy.readyPromise;
|
|
return policy;
|
|
}
|
|
|
|
#addObservers() {
|
|
if (this.#observersAdded) {
|
|
// There might be a race between synchronous and asynchronous
|
|
// initialization for which we try to register the observers twice.
|
|
return;
|
|
}
|
|
this.#observersAdded = true;
|
|
|
|
lazy.NimbusFeatures.search.onUpdate(() =>
|
|
Services.search.wrappedJSObject._maybeReloadEngines()
|
|
);
|
|
|
|
Services.obs.addObserver(this, lazy.SearchUtils.TOPIC_ENGINE_MODIFIED);
|
|
Services.obs.addObserver(this, QUIT_APPLICATION_TOPIC);
|
|
Services.obs.addObserver(this, TOPIC_LOCALES_CHANGE);
|
|
|
|
this._settings.addObservers();
|
|
|
|
// The current stage of shutdown. Used to help analyze crash
|
|
// signatures in case of shutdown timeout.
|
|
let shutdownState = {
|
|
step: "Not started",
|
|
latestError: {
|
|
message: undefined,
|
|
stack: undefined,
|
|
},
|
|
};
|
|
IOUtils.profileBeforeChange.addBlocker(
|
|
"Search service: shutting down",
|
|
() =>
|
|
(async () => {
|
|
// If we are in initialization, then don't attempt to save the settings.
|
|
// It is likely that shutdown will have caused the add-on manager to
|
|
// stop, which can cause initialization to fail.
|
|
// Hence at that stage, we could have broken settings which we don't
|
|
// want to write.
|
|
// The good news is, that if we don't write the settings here, we'll
|
|
// detect the out-of-date settings on next state, and automatically
|
|
// rebuild it.
|
|
if (!this._initialized) {
|
|
lazy.logConsole.warn(
|
|
"not saving settings on shutdown due to initializing."
|
|
);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
await this._settings.shutdown(shutdownState);
|
|
} catch (ex) {
|
|
// Ensure that error is reported and that it causes tests
|
|
// to fail, otherwise ignore it.
|
|
Promise.reject(ex);
|
|
}
|
|
})(),
|
|
|
|
() => shutdownState
|
|
);
|
|
}
|
|
|
|
// This is prefixed with _ rather than # because it is
|
|
// called in a test.
|
|
_removeObservers() {
|
|
if (this.ignoreListListener) {
|
|
lazy.IgnoreLists.unsubscribe(this.ignoreListListener);
|
|
delete this.ignoreListListener;
|
|
}
|
|
if (this.#queuedIdle) {
|
|
this.idleService.removeIdleObserver(this, RECONFIG_IDLE_TIME_SEC);
|
|
this.#queuedIdle = false;
|
|
}
|
|
|
|
this._settings.removeObservers();
|
|
|
|
lazy.NimbusFeatures.search.off(() =>
|
|
Services.search.wrappedJSObject._maybeReloadEngines()
|
|
);
|
|
|
|
Services.obs.removeObserver(this, lazy.SearchUtils.TOPIC_ENGINE_MODIFIED);
|
|
Services.obs.removeObserver(this, QUIT_APPLICATION_TOPIC);
|
|
Services.obs.removeObserver(this, TOPIC_LOCALES_CHANGE);
|
|
Services.obs.removeObserver(this, lazy.Region.REGION_TOPIC);
|
|
}
|
|
|
|
QueryInterface = ChromeUtils.generateQI([
|
|
"nsISearchService",
|
|
"nsIObserver",
|
|
"nsITimerCallback",
|
|
]);
|
|
|
|
// nsIObserver
|
|
observe(engine, topic, verb) {
|
|
switch (topic) {
|
|
case lazy.SearchUtils.TOPIC_ENGINE_MODIFIED:
|
|
switch (verb) {
|
|
case lazy.SearchUtils.MODIFIED_TYPE.LOADED:
|
|
engine = engine.QueryInterface(Ci.nsISearchEngine);
|
|
lazy.logConsole.debug(
|
|
"observe: Done installation of ",
|
|
engine.name
|
|
);
|
|
this.#addEngineToStore(engine.wrappedJSObject);
|
|
// The addition of the engine to the store always triggers an ADDED
|
|
// or a CHANGED notification, that will trigger the task below.
|
|
break;
|
|
case lazy.SearchUtils.MODIFIED_TYPE.ADDED:
|
|
case lazy.SearchUtils.MODIFIED_TYPE.CHANGED:
|
|
case lazy.SearchUtils.MODIFIED_TYPE.REMOVED:
|
|
// Invalidate the map used to parse URLs to search engines.
|
|
this.#parseSubmissionMap = null;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case "idle": {
|
|
this.idleService.removeIdleObserver(this, RECONFIG_IDLE_TIME_SEC);
|
|
this.#queuedIdle = false;
|
|
lazy.logConsole.debug(
|
|
"Reloading engines after idle due to configuration change"
|
|
);
|
|
this._maybeReloadEngines().catch(Cu.reportError);
|
|
break;
|
|
}
|
|
|
|
case QUIT_APPLICATION_TOPIC:
|
|
this._removeObservers();
|
|
break;
|
|
|
|
case TOPIC_LOCALES_CHANGE:
|
|
// Locale changed. Re-init. We rely on observers, because we can't
|
|
// return this promise to anyone.
|
|
|
|
// At the time of writing, when the user does a "Apply and Restart" for
|
|
// a new language the preferences code triggers the locales change and
|
|
// restart straight after, so we delay the check, which means we should
|
|
// be able to avoid the reload on shutdown, and we'll sort it out
|
|
// on next startup.
|
|
// This also helps to avoid issues with the add-on manager shutting
|
|
// down at the same time (see _reInit for more info).
|
|
Services.tm.dispatchToMainThread(() => {
|
|
if (!Services.startup.shuttingDown) {
|
|
this._maybeReloadEngines().catch(Cu.reportError);
|
|
}
|
|
});
|
|
break;
|
|
case lazy.Region.REGION_TOPIC:
|
|
lazy.logConsole.debug("Region updated:", lazy.Region.home);
|
|
this._maybeReloadEngines().catch(Cu.reportError);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create an engine object from the search configuration details.
|
|
*
|
|
* This method is prefixed with _ rather than # because it is
|
|
* called in a test.
|
|
*
|
|
* @param {object} config
|
|
* The configuration object that defines the details of the engine
|
|
* webExtensionId etc.
|
|
* @returns {nsISearchEngine}
|
|
* Returns the search engine object.
|
|
*/
|
|
async _makeEngineFromConfig(config) {
|
|
lazy.logConsole.debug("_makeEngineFromConfig:", config);
|
|
let policy = await this.#getExtensionPolicy(config.webExtension.id);
|
|
let locale =
|
|
"locale" in config.webExtension
|
|
? config.webExtension.locale
|
|
: lazy.SearchUtils.DEFAULT_TAG;
|
|
|
|
let manifest = await this.#getManifestForLocale(policy.extension, locale);
|
|
|
|
return new lazy.AddonSearchEngine({
|
|
isAppProvided: policy.extension.isAppProvided,
|
|
details: {
|
|
extensionID: policy.extension.id,
|
|
extensionBaseURI: policy.extension.baseURI,
|
|
manifest,
|
|
locale,
|
|
config,
|
|
},
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {object} metaData
|
|
* @returns {boolean}
|
|
* Returns true if metaData has different property values than
|
|
* the cached _metaData.
|
|
*/
|
|
#didSettingsMetaDataUpdate(metaData) {
|
|
let metaDataProperties = [
|
|
"locale",
|
|
"region",
|
|
"channel",
|
|
"experiment",
|
|
"distroID",
|
|
];
|
|
|
|
return metaDataProperties.some(p => {
|
|
return metaData?.[p] !== this._settings.getMetaDataAttribute(p);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Shows an infobar to notify the user their default search engine has been
|
|
* removed and replaced by a new default search engine.
|
|
*
|
|
* This method is prefixed with _ rather than # because it is
|
|
* called in a test.
|
|
*
|
|
* @param {string} prevCurrentEngine
|
|
* The engine that was previously the default engine and is to be replaced.
|
|
* @param {string} newCurrentEngine
|
|
* The engine that will be the new the default engine.
|
|
*
|
|
*/
|
|
_showRemovalOfSearchEngineNotificationBox(
|
|
prevCurrentEngine,
|
|
newCurrentEngine
|
|
) {
|
|
let win = Services.wm.getMostRecentBrowserWindow();
|
|
win.BrowserSearch.removalOfSearchEngineNotificationBox(
|
|
prevCurrentEngine,
|
|
newCurrentEngine
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Get the localized manifest from the WebExtension for the given locale or
|
|
* manifest default locale.
|
|
*
|
|
* The search service configuration overloads the add-on manager concepts of
|
|
* locales, and forces particular locales within the WebExtension to be used,
|
|
* ignoring the user's current locale. The user's current locale is taken into
|
|
* account within the configuration, just not in the WebExtension.
|
|
*
|
|
* @param {object} extension
|
|
* The extension to get the manifest from.
|
|
* @param {string} locale
|
|
* The locale to load from the WebExtension. If this is `DEFAULT_TAG`, then
|
|
* the default locale is loaded.
|
|
* @returns {object}
|
|
* The loaded manifest.
|
|
*/
|
|
async #getManifestForLocale(extension, locale) {
|
|
let manifest = extension.manifest;
|
|
|
|
// If the locale we want from the WebExtension is the extension's default
|
|
// then we get that from the manifest here. We do this because if we
|
|
// are reloading due to the locale change, the add-on manager might not
|
|
// have updated the WebExtension's manifest to the new version by the
|
|
// time we hit this code.
|
|
let localeToLoad =
|
|
locale == lazy.SearchUtils.DEFAULT_TAG ? manifest.default_locale : locale;
|
|
|
|
if (localeToLoad) {
|
|
manifest = await extension.getLocalizedManifest(localeToLoad);
|
|
}
|
|
return manifest;
|
|
}
|
|
} // end SearchService class
|
|
|
|
var engineUpdateService = {
|
|
scheduleNextUpdate(engine) {
|
|
var interval = engine._updateInterval || SEARCH_DEFAULT_UPDATE_INTERVAL;
|
|
var milliseconds = interval * 86400000; // |interval| is in days
|
|
engine.setAttr("updateexpir", Date.now() + milliseconds);
|
|
},
|
|
|
|
update(engine) {
|
|
engine = engine.wrappedJSObject;
|
|
lazy.logConsole.debug("update called for", engine._name);
|
|
if (
|
|
!Services.prefs.getBoolPref(
|
|
lazy.SearchUtils.BROWSER_SEARCH_PREF + "update",
|
|
true
|
|
) ||
|
|
!engine._hasUpdates
|
|
) {
|
|
return;
|
|
}
|
|
|
|
let testEngine = null;
|
|
let updateURL = engine._getURLOfType(lazy.SearchUtils.URL_TYPE.OPENSEARCH);
|
|
let updateURI =
|
|
updateURL && updateURL._hasRelation("self")
|
|
? updateURL.getSubmission("", engine).uri
|
|
: lazy.SearchUtils.makeURI(engine._updateURL);
|
|
if (updateURI) {
|
|
if (engine.isAppProvided && !updateURI.schemeIs("https")) {
|
|
lazy.logConsole.debug("Invalid scheme for default engine update");
|
|
return;
|
|
}
|
|
|
|
lazy.logConsole.debug("updating", engine.name, updateURI.spec);
|
|
testEngine = new lazy.OpenSearchEngine();
|
|
testEngine._engineToUpdate = engine;
|
|
try {
|
|
testEngine.install(updateURI);
|
|
} catch (ex) {
|
|
lazy.logConsole.error("Failed to update", engine.name, ex);
|
|
}
|
|
} else {
|
|
lazy.logConsole.debug("invalid updateURI");
|
|
}
|
|
|
|
if (engine._iconUpdateURL) {
|
|
// If we're updating the engine too, use the new engine object,
|
|
// otherwise use the existing engine object.
|
|
(testEngine || engine)._setIcon(engine._iconUpdateURL, true);
|
|
}
|
|
},
|
|
};
|
|
|
|
XPCOMUtils.defineLazyServiceGetter(
|
|
SearchService.prototype,
|
|
"idleService",
|
|
"@mozilla.org/widget/useridleservice;1",
|
|
"nsIUserIdleService"
|
|
);
|
|
|
|
/**
|
|
* Handles getting and checking extensions against the allow list.
|
|
*/
|
|
class SearchDefaultOverrideAllowlistHandler {
|
|
/**
|
|
* @param {function} listener
|
|
* A listener for configuration update changes.
|
|
*/
|
|
constructor(listener) {
|
|
this._remoteConfig = lazy.RemoteSettings(
|
|
lazy.SearchUtils.SETTINGS_ALLOWLIST_KEY
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Determines if a search engine extension can override a default one
|
|
* according to the allow list.
|
|
*
|
|
* @param {object} extension
|
|
* The extension object (from add-on manager) that will override the
|
|
* app provided search engine.
|
|
* @param {string} appProvidedExtensionId
|
|
* The id of the search engine that will be overriden.
|
|
* @returns {boolean}
|
|
* Returns true if the search engine extension may override the app provided
|
|
* instance.
|
|
*/
|
|
async canOverride(extension, appProvidedExtensionId) {
|
|
const overrideTable = await this._getAllowlist();
|
|
|
|
let entry = overrideTable.find(e => e.thirdPartyId == extension.id);
|
|
if (!entry) {
|
|
return false;
|
|
}
|
|
|
|
if (appProvidedExtensionId != entry.overridesId) {
|
|
return false;
|
|
}
|
|
|
|
let searchProvider =
|
|
extension.manifest.chrome_settings_overrides.search_provider;
|
|
|
|
return entry.urls.some(
|
|
e =>
|
|
searchProvider.search_url == e.search_url &&
|
|
searchProvider.search_form == e.search_form &&
|
|
searchProvider.search_url_get_params == e.search_url_get_params &&
|
|
searchProvider.search_url_post_params == e.search_url_post_params
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Obtains the configuration from remote settings. This includes
|
|
* verifying the signature of the record within the database.
|
|
*
|
|
* If the signature in the database is invalid, the database will be wiped
|
|
* and the stored dump will be used, until the settings next update.
|
|
*
|
|
* Note that this may cause a network check of the certificate, but that
|
|
* should generally be quick.
|
|
*
|
|
* @returns {array}
|
|
* An array of objects in the database, or an empty array if none
|
|
* could be obtained.
|
|
*/
|
|
async _getAllowlist() {
|
|
let result = [];
|
|
try {
|
|
result = await this._remoteConfig.get();
|
|
} catch (ex) {
|
|
// Don't throw an error just log it, just continue with no data, and hopefully
|
|
// a sync will fix things later on.
|
|
Cu.reportError(ex);
|
|
}
|
|
lazy.logConsole.debug("Allow list is:", result);
|
|
return result;
|
|
}
|
|
}
|