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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /toolkit/components/search/nsSearchService.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/toolkit/components/search/nsSearchService.js b/toolkit/components/search/nsSearchService.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const Ci = Components.interfaces;
+const Cc = Components.classes;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/Promise.jsm");
+Cu.import("resource://gre/modules/debug.js");
+Cu.import("resource://gre/modules/AppConstants.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "AsyncShutdown",
+ "resource://gre/modules/AsyncShutdown.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "DeferredTask",
+ "resource://gre/modules/DeferredTask.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "OS",
+ "resource://gre/modules/osfile.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Task",
+ "resource://gre/modules/Task.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "TelemetryStopwatch",
+ "resource://gre/modules/TelemetryStopwatch.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Deprecated",
+ "resource://gre/modules/Deprecated.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "SearchStaticData",
+ "resource://gre/modules/SearchStaticData.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "setTimeout",
+ "resource://gre/modules/Timer.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "clearTimeout",
+ "resource://gre/modules/Timer.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Lz4",
+ "resource://gre/modules/lz4.js");
+
+XPCOMUtils.defineLazyServiceGetter(this, "gTextToSubURI",
+ "@mozilla.org/intl/texttosuburi;1",
+ "nsITextToSubURI");
+XPCOMUtils.defineLazyServiceGetter(this, "gEnvironment",
+ "@mozilla.org/process/environment;1",
+ "nsIEnvironment");
+
+Cu.importGlobalProperties(["XMLHttpRequest"]);
+
+// A text encoder to UTF8, used whenever we commit the cache to disk.
+XPCOMUtils.defineLazyGetter(this, "gEncoder",
+ function() {
+ return new TextEncoder();
+ });
+
+const MODE_RDONLY = 0x01;
+const MODE_WRONLY = 0x02;
+const MODE_CREATE = 0x08;
+const MODE_APPEND = 0x10;
+const MODE_TRUNCATE = 0x20;
+
+// Directory service keys
+const NS_APP_SEARCH_DIR_LIST = "SrchPluginsDL";
+const NS_APP_DISTRIBUTION_SEARCH_DIR_LIST = "SrchPluginsDistDL";
+const NS_APP_USER_SEARCH_DIR = "UsrSrchPlugns";
+const NS_APP_SEARCH_DIR = "SrchPlugns";
+const NS_APP_USER_PROFILE_50_DIR = "ProfD";
+
+// Loading plugins from NS_APP_SEARCH_DIR is no longer supported.
+// Instead, we now load plugins from APP_SEARCH_PREFIX, where a
+// list.txt file needs to exist to list available engines.
+const APP_SEARCH_PREFIX = "resource://search-plugins/";
+
+// See documentation in nsIBrowserSearchService.idl.
+const SEARCH_ENGINE_TOPIC = "browser-search-engine-modified";
+const QUIT_APPLICATION_TOPIC = "quit-application";
+
+const SEARCH_ENGINE_REMOVED = "engine-removed";
+const SEARCH_ENGINE_ADDED = "engine-added";
+const SEARCH_ENGINE_CHANGED = "engine-changed";
+const SEARCH_ENGINE_LOADED = "engine-loaded";
+const SEARCH_ENGINE_CURRENT = "engine-current";
+const SEARCH_ENGINE_DEFAULT = "engine-default";
+
+// The following constants are left undocumented in nsIBrowserSearchService.idl
+// For the moment, they are meant for testing/debugging purposes only.
+
+/**
+ * Topic used for events involving the service itself.
+ */
+const SEARCH_SERVICE_TOPIC = "browser-search-service";
+
+/**
+ * Sent whenever the cache is fully written to disk.
+ */
+const SEARCH_SERVICE_CACHE_WRITTEN = "write-cache-to-disk-complete";
+
+// Delay for lazy serialization (ms)
+const LAZY_SERIALIZE_DELAY = 100;
+
+// Delay for batching invalidation of the JSON cache (ms)
+const CACHE_INVALIDATION_DELAY = 1000;
+
+// Current cache version. This should be incremented if the format of the cache
+// file is modified.
+const CACHE_VERSION = 1;
+
+const CACHE_FILENAME = "search.json.mozlz4";
+
+const NEW_LINES = /(\r\n|\r|\n)/;
+
+// Set an arbitrary cap on the maximum icon size. Without this, large icons can
+// cause big delays when loading them at startup.
+const MAX_ICON_SIZE = 10000;
+
+// Default charset to use for sending search parameters. ISO-8859-1 is used to
+// match previous nsInternetSearchService behavior.
+const DEFAULT_QUERY_CHARSET = "ISO-8859-1";
+
+const SEARCH_BUNDLE = "chrome://global/locale/search/search.properties";
+const BRAND_BUNDLE = "chrome://branding/locale/brand.properties";
+
+const OPENSEARCH_NS_10 = "http://a9.com/-/spec/opensearch/1.0/";
+const OPENSEARCH_NS_11 = "http://a9.com/-/spec/opensearch/1.1/";
+
+// Although the specification at http://opensearch.a9.com/spec/1.1/description/
+// gives the namespace names defined above, many existing OpenSearch engines
+// are using the following versions. We therefore allow either.
+const OPENSEARCH_NAMESPACES = [
+ OPENSEARCH_NS_11, OPENSEARCH_NS_10,
+ "http://a9.com/-/spec/opensearchdescription/1.1/",
+ "http://a9.com/-/spec/opensearchdescription/1.0/"
+];
+
+const OPENSEARCH_LOCALNAME = "OpenSearchDescription";
+
+const MOZSEARCH_NS_10 = "http://www.mozilla.org/2006/browser/search/";
+const MOZSEARCH_LOCALNAME = "SearchPlugin";
+
+const URLTYPE_SUGGEST_JSON = "application/x-suggestions+json";
+const URLTYPE_SEARCH_HTML = "text/html";
+const URLTYPE_OPENSEARCH = "application/opensearchdescription+xml";
+
+const BROWSER_SEARCH_PREF = "browser.search.";
+const LOCALE_PREF = "general.useragent.locale";
+
+const USER_DEFINED = "{searchTerms}";
+
+// Custom search parameters
+const MOZ_OFFICIAL = AppConstants.MOZ_OFFICIAL_BRANDING ? "official" : "unofficial";
+
+const MOZ_PARAM_LOCALE = /\{moz:locale\}/g;
+const MOZ_PARAM_DIST_ID = /\{moz:distributionID\}/g;
+const MOZ_PARAM_OFFICIAL = /\{moz:official\}/g;
+
+// Supported OpenSearch parameters
+// See http://opensearch.a9.com/spec/1.1/querysyntax/#core
+const OS_PARAM_USER_DEFINED = /\{searchTerms\??\}/g;
+const OS_PARAM_INPUT_ENCODING = /\{inputEncoding\??\}/g;
+const OS_PARAM_LANGUAGE = /\{language\??\}/g;
+const OS_PARAM_OUTPUT_ENCODING = /\{outputEncoding\??\}/g;
+
+// Default values
+const OS_PARAM_LANGUAGE_DEF = "*";
+const OS_PARAM_OUTPUT_ENCODING_DEF = "UTF-8";
+const OS_PARAM_INPUT_ENCODING_DEF = "UTF-8";
+
+// "Unsupported" OpenSearch parameters. For example, we don't support
+// page-based results, so if the engine requires that we send the "page index"
+// parameter, we'll always send "1".
+const OS_PARAM_COUNT = /\{count\??\}/g;
+const OS_PARAM_START_INDEX = /\{startIndex\??\}/g;
+const OS_PARAM_START_PAGE = /\{startPage\??\}/g;
+
+// Default values
+const OS_PARAM_COUNT_DEF = "20"; // 20 results
+const OS_PARAM_START_INDEX_DEF = "1"; // start at 1st result
+const OS_PARAM_START_PAGE_DEF = "1"; // 1st page
+
+// Optional parameter
+const OS_PARAM_OPTIONAL = /\{(?:\w+:)?\w+\?\}/g;
+
+// A array of arrays containing parameters that we don't fully support, and
+// their default values. We will only send values for these parameters if
+// required, since our values are just really arbitrary "guesses" that should
+// give us the output we want.
+var OS_UNSUPPORTED_PARAMS = [
+ [OS_PARAM_COUNT, OS_PARAM_COUNT_DEF],
+ [OS_PARAM_START_INDEX, OS_PARAM_START_INDEX_DEF],
+ [OS_PARAM_START_PAGE, OS_PARAM_START_PAGE_DEF],
+];
+
+// The default engine update interval, in days. This is only used if an engine
+// specifies an updateURL, but not an updateInterval.
+const SEARCH_DEFAULT_UPDATE_INTERVAL = 7;
+
+// The default interval before checking again for the name of the
+// default engine for the region, in seconds. Only used if the response
+// from the server doesn't specify an interval.
+const SEARCH_GEO_DEFAULT_UPDATE_INTERVAL = 2592000; // 30 days.
+
+this.__defineGetter__("FileUtils", function() {
+ delete this.FileUtils;
+ Components.utils.import("resource://gre/modules/FileUtils.jsm");
+ return FileUtils;
+});
+
+this.__defineGetter__("NetUtil", function() {
+ delete this.NetUtil;
+ Components.utils.import("resource://gre/modules/NetUtil.jsm");
+ return NetUtil;
+});
+
+this.__defineGetter__("gChromeReg", function() {
+ delete this.gChromeReg;
+ return this.gChromeReg = Cc["@mozilla.org/chrome/chrome-registry;1"].
+ getService(Ci.nsIChromeRegistry);
+});
+
+/**
+ * Prefixed to all search debug output.
+ */
+const SEARCH_LOG_PREFIX = "*** Search: ";
+
+/**
+ * Outputs aText to the JavaScript console as well as to stdout.
+ */
+function DO_LOG(aText) {
+ dump(SEARCH_LOG_PREFIX + aText + "\n");
+ Services.console.logStringMessage(aText);
+}
+
+/**
+ * In debug builds, use a live, pref-based (browser.search.log) LOG function
+ * to allow enabling/disabling without a restart. Otherwise, don't log at all by
+ * default. This can be overridden at startup by the pref, see SearchService's
+ * _init method.
+ */
+var LOG = function() {};
+
+if (AppConstants.DEBUG) {
+ LOG = function (aText) {
+ if (getBoolPref(BROWSER_SEARCH_PREF + "log", false)) {
+ DO_LOG(aText);
+ }
+ };
+}
+
+/**
+ * Presents an assertion dialog in non-release builds and throws.
+ * @param message
+ * A message to display
+ * @param resultCode
+ * The NS_ERROR_* value to throw.
+ * @throws resultCode
+ */
+function ERROR(message, resultCode) {
+ NS_ASSERT(false, SEARCH_LOG_PREFIX + message);
+ throw Components.Exception(message, resultCode);
+}
+
+/**
+ * Logs the failure message (if browser.search.log is enabled) and throws.
+ * @param message
+ * A message to display
+ * @param resultCode
+ * The NS_ERROR_* value to throw.
+ * @throws resultCode or NS_ERROR_INVALID_ARG if resultCode isn't specified.
+ */
+function FAIL(message, resultCode) {
+ LOG(message);
+ throw Components.Exception(message, resultCode || Cr.NS_ERROR_INVALID_ARG);
+}
+
+/**
+ * Truncates big blobs of (data-)URIs to console-friendly sizes
+ * @param str
+ * String to tone down
+ * @param len
+ * Maximum length of the string to return. Defaults to the length of a tweet.
+ */
+function limitURILength(str, len) {
+ len = len || 140;
+ if (str.length > len)
+ return str.slice(0, len) + "...";
+ return str;
+}
+
+/**
+ * Ensures an assertion is met before continuing. Should be used to indicate
+ * fatal errors.
+ * @param assertion
+ * An assertion that must be met
+ * @param message
+ * A message to display if the assertion is not met
+ * @param resultCode
+ * The NS_ERROR_* value to throw if the assertion is not met
+ * @throws resultCode
+ */
+function ENSURE_WARN(assertion, message, resultCode) {
+ NS_ASSERT(assertion, SEARCH_LOG_PREFIX + message);
+ if (!assertion)
+ throw Components.Exception(message, resultCode);
+}
+
+function loadListener(aChannel, aEngine, aCallback) {
+ this._channel = aChannel;
+ this._bytes = [];
+ this._engine = aEngine;
+ this._callback = aCallback;
+}
+loadListener.prototype = {
+ _callback: null,
+ _channel: null,
+ _countRead: 0,
+ _engine: null,
+ _stream: null,
+
+ QueryInterface: XPCOMUtils.generateQI([
+ Ci.nsIRequestObserver,
+ Ci.nsIStreamListener,
+ Ci.nsIChannelEventSink,
+ Ci.nsIInterfaceRequestor,
+ // See FIXME comment below.
+ Ci.nsIHttpEventSink,
+ Ci.nsIProgressEventSink
+ ]),
+
+ // nsIRequestObserver
+ onStartRequest: function SRCH_loadStartR(aRequest, aContext) {
+ LOG("loadListener: Starting request: " + aRequest.name);
+ this._stream = Cc["@mozilla.org/binaryinputstream;1"].
+ createInstance(Ci.nsIBinaryInputStream);
+ },
+
+ onStopRequest: function SRCH_loadStopR(aRequest, aContext, aStatusCode) {
+ LOG("loadListener: Stopping request: " + aRequest.name);
+
+ var requestFailed = !Components.isSuccessCode(aStatusCode);
+ if (!requestFailed && (aRequest instanceof Ci.nsIHttpChannel))
+ requestFailed = !aRequest.requestSucceeded;
+
+ if (requestFailed || this._countRead == 0) {
+ LOG("loadListener: request failed!");
+ // send null so the callback can deal with the failure
+ this._callback(null, this._engine);
+ } else
+ this._callback(this._bytes, this._engine);
+ this._channel = null;
+ this._engine = null;
+ },
+
+ // nsIStreamListener
+ onDataAvailable: function SRCH_loadDAvailable(aRequest, aContext,
+ aInputStream, aOffset,
+ aCount) {
+ this._stream.setInputStream(aInputStream);
+
+ // Get a byte array of the data
+ this._bytes = this._bytes.concat(this._stream.readByteArray(aCount));
+ this._countRead += aCount;
+ },
+
+ // nsIChannelEventSink
+ asyncOnChannelRedirect: function SRCH_loadCRedirect(aOldChannel, aNewChannel,
+ aFlags, callback) {
+ this._channel = aNewChannel;
+ callback.onRedirectVerifyCallback(Components.results.NS_OK);
+ },
+
+ // nsIInterfaceRequestor
+ getInterface: function SRCH_load_GI(aIID) {
+ return this.QueryInterface(aIID);
+ },
+
+ // FIXME: bug 253127
+ // nsIHttpEventSink
+ onRedirect: function (aChannel, aNewChannel) {},
+ // nsIProgressEventSink
+ onProgress: function (aRequest, aContext, aProgress, aProgressMax) {},
+ onStatus: function (aRequest, aContext, aStatus, aStatusArg) {}
+}
+
+function isPartnerBuild() {
+ try {
+ let distroID = Services.prefs.getCharPref("distribution.id");
+
+ // Mozilla-provided builds (i.e. funnelcake) are not partner builds
+ if (distroID && !distroID.startsWith("mozilla")) {
+ return true;
+ }
+ } catch (e) {}
+
+ return false;
+}
+
+// Method to determine if we should be using geo-specific defaults
+function geoSpecificDefaultsEnabled() {
+ let geoSpecificDefaults = false;
+ try {
+ geoSpecificDefaults = Services.prefs.getBoolPref("browser.search.geoSpecificDefaults");
+ } catch (e) {}
+
+ return geoSpecificDefaults;
+}
+
+// Some notes on countryCode and region prefs:
+// * A "countryCode" pref is set via a geoip lookup. It always reflects the
+// result of that geoip request.
+// * A "region" pref, once set, is the region actually used for search. In
+// most cases it will be identical to the countryCode pref.
+// * The value of "region" and "countryCode" will only not agree in one edge
+// case - 34/35 users who have previously been configured to use US defaults
+// based purely on a timezone check will have "region" forced to US,
+// regardless of what countryCode geoip returns.
+// * We may want to know if we are in the US before we have *either*
+// countryCode or region - in which case we fallback to a timezone check,
+// but we don't persist that value anywhere in the expectation we will
+// eventually get a countryCode/region.
+
+// A method that "migrates" prefs if necessary.
+function migrateRegionPrefs() {
+ // If we already have a "region" pref there's nothing to do.
+ if (Services.prefs.prefHasUserValue("browser.search.region")) {
+ return;
+ }
+
+ // If we have 'isUS' but no 'countryCode' then we are almost certainly
+ // a profile from Fx 34/35 that set 'isUS' based purely on a timezone
+ // check. If this said they were US, we force region to be US.
+ // (But if isUS was false, we leave region alone - we will do a geoip request
+ // and set the region accordingly)
+ try {
+ if (Services.prefs.getBoolPref("browser.search.isUS") &&
+ !Services.prefs.prefHasUserValue("browser.search.countryCode")) {
+ Services.prefs.setCharPref("browser.search.region", "US");
+ }
+ } catch (ex) {
+ // no isUS pref, nothing to do.
+ }
+ // If we have a countryCode pref but no region pref, just force region
+ // to be the countryCode.
+ try {
+ let countryCode = Services.prefs.getCharPref("browser.search.countryCode");
+ if (!Services.prefs.prefHasUserValue("browser.search.region")) {
+ Services.prefs.setCharPref("browser.search.region", countryCode);
+ }
+ } catch (ex) {
+ // no countryCode pref, nothing to do.
+ }
+}
+
+// A method to determine if we are in the United States (US) for the search
+// service.
+// It uses a browser.search.region pref (which typically comes from a geoip
+// request) or if that doesn't exist, falls back to a hacky timezone check.
+function getIsUS() {
+ // Regardless of the region or countryCode, non en-US builds are not
+ // considered to be in the US from the POV of the search service.
+ if (getLocale() != "en-US") {
+ return false;
+ }
+
+ // If we've got a region pref, trust it.
+ try {
+ return Services.prefs.getCharPref("browser.search.region") == "US";
+ } catch (e) {}
+
+ // So we are en-US but have no region pref - fallback to hacky timezone check.
+ let isNA = isUSTimezone();
+ LOG("getIsUS() fell back to a timezone check with the result=" + isNA);
+ return isNA;
+}
+
+// Helper method to modify preference keys with geo-specific modifiers, if needed.
+function getGeoSpecificPrefName(basepref) {
+ if (!geoSpecificDefaultsEnabled() || isPartnerBuild())
+ return basepref;
+ if (getIsUS())
+ return basepref + ".US";
+ return basepref;
+}
+
+// A method that tries to determine if this user is in a US geography.
+function isUSTimezone() {
+ // Timezone assumptions! We assume that if the system clock's timezone is
+ // between Newfoundland and Hawaii, that the user is in North America.
+
+ // This includes all of South America as well, but we have relatively few
+ // en-US users there, so that's OK.
+
+ // 150 minutes = 2.5 hours (UTC-2.5), which is
+ // Newfoundland Daylight Time (http://www.timeanddate.com/time/zones/ndt)
+
+ // 600 minutes = 10 hours (UTC-10), which is
+ // Hawaii-Aleutian Standard Time (http://www.timeanddate.com/time/zones/hast)
+
+ let UTCOffset = (new Date()).getTimezoneOffset();
+ return UTCOffset >= 150 && UTCOffset <= 600;
+}
+
+// A less hacky method that tries to determine our country-code via an XHR
+// geoip lookup.
+// If this succeeds and we are using an en-US locale, we set the pref used by
+// the hacky method above, so isUS() can avoid the hacky timezone method.
+// If it fails we don't touch that pref so isUS() does its normal thing.
+var ensureKnownCountryCode = Task.async(function* (ss) {
+ // If we have a country-code already stored in our prefs we trust it.
+ let countryCode;
+ try {
+ countryCode = Services.prefs.getCharPref("browser.search.countryCode");
+ } catch (e) {}
+
+ if (!countryCode) {
+ // We don't have it cached, so fetch it. fetchCountryCode() will call
+ // storeCountryCode if it gets a result (even if that happens after the
+ // promise resolves) and fetchRegionDefault.
+ yield fetchCountryCode(ss);
+ } else {
+ // if nothing to do, return early.
+ if (!geoSpecificDefaultsEnabled())
+ return;
+
+ let expir = ss.getGlobalAttr("searchDefaultExpir") || 0;
+ if (expir > Date.now()) {
+ // The territory default we have already fetched hasn't expired yet.
+ // If we have a default engine or a list of visible default engines
+ // saved, the hashes should be valid, verify them now so that we can
+ // refetch if they have been tampered with.
+ let defaultEngine = ss.getVerifiedGlobalAttr("searchDefault");
+ let visibleDefaultEngines = ss.getVerifiedGlobalAttr("visibleDefaultEngines");
+ if ((defaultEngine || defaultEngine === undefined) &&
+ (visibleDefaultEngines || visibleDefaultEngines === undefined)) {
+ // No geo defaults, or valid hashes; nothing to do.
+ return;
+ }
+ }
+
+ yield new Promise(resolve => {
+ let timeoutMS = Services.prefs.getIntPref("browser.search.geoip.timeout");
+ let timerId = setTimeout(() => {
+ timerId = null;
+ resolve();
+ }, timeoutMS);
+
+ let callback = () => {
+ clearTimeout(timerId);
+ resolve();
+ };
+ fetchRegionDefault(ss).then(callback).catch(err => {
+ Components.utils.reportError(err);
+ callback();
+ });
+ });
+ }
+
+ // If gInitialized is true then the search service was forced to perform
+ // a sync initialization during our XHRs - capture this via telemetry.
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_COUNTRY_FETCH_CAUSED_SYNC_INIT").add(gInitialized);
+});
+
+// Store the result of the geoip request as well as any other values and
+// telemetry which depend on it.
+function storeCountryCode(cc) {
+ // Set the country-code itself.
+ Services.prefs.setCharPref("browser.search.countryCode", cc);
+ // And set the region pref if we don't already have a value.
+ if (!Services.prefs.prefHasUserValue("browser.search.region")) {
+ Services.prefs.setCharPref("browser.search.region", cc);
+ }
+ // and telemetry...
+ let isTimezoneUS = isUSTimezone();
+ if (cc == "US" && !isTimezoneUS) {
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_US_COUNTRY_MISMATCHED_TIMEZONE").add(1);
+ }
+ if (cc != "US" && isTimezoneUS) {
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_US_TIMEZONE_MISMATCHED_COUNTRY").add(1);
+ }
+ // telemetry to compare our geoip response with platform-specific country data.
+ // On Mac and Windows, we can get a country code via sysinfo
+ let platformCC = Services.sysinfo.get("countryCode");
+ if (platformCC) {
+ let probeUSMismatched, probeNonUSMismatched;
+ switch (Services.appinfo.OS) {
+ case "Darwin":
+ probeUSMismatched = "SEARCH_SERVICE_US_COUNTRY_MISMATCHED_PLATFORM_OSX";
+ probeNonUSMismatched = "SEARCH_SERVICE_NONUS_COUNTRY_MISMATCHED_PLATFORM_OSX";
+ break;
+ case "WINNT":
+ probeUSMismatched = "SEARCH_SERVICE_US_COUNTRY_MISMATCHED_PLATFORM_WIN";
+ probeNonUSMismatched = "SEARCH_SERVICE_NONUS_COUNTRY_MISMATCHED_PLATFORM_WIN";
+ break;
+ default:
+ Cu.reportError("Platform " + Services.appinfo.OS + " has system country code but no search service telemetry probes");
+ break;
+ }
+ if (probeUSMismatched && probeNonUSMismatched) {
+ if (cc == "US" || platformCC == "US") {
+ // one of the 2 said US, so record if they are the same.
+ Services.telemetry.getHistogramById(probeUSMismatched).add(cc != platformCC);
+ } else {
+ // different country - record if they are the same
+ Services.telemetry.getHistogramById(probeNonUSMismatched).add(cc != platformCC);
+ }
+ }
+ }
+}
+
+// Get the country we are in via a XHR geoip request.
+function fetchCountryCode(ss) {
+ // values for the SEARCH_SERVICE_COUNTRY_FETCH_RESULT 'enum' telemetry probe.
+ const TELEMETRY_RESULT_ENUM = {
+ SUCCESS: 0,
+ SUCCESS_WITHOUT_DATA: 1,
+ XHRTIMEOUT: 2,
+ ERROR: 3,
+ // Note that we expect to add finer-grained error types here later (eg,
+ // dns error, network error, ssl error, etc) with .ERROR remaining as the
+ // generic catch-all that doesn't fit into other categories.
+ };
+ let endpoint = Services.urlFormatter.formatURLPref("browser.search.geoip.url");
+ LOG("_fetchCountryCode starting with endpoint " + endpoint);
+ // As an escape hatch, no endpoint means no geoip.
+ if (!endpoint) {
+ return Promise.resolve();
+ }
+ let startTime = Date.now();
+ return new Promise(resolve => {
+ // Instead of using a timeout on the xhr object itself, we simulate one
+ // using a timer and let the XHR request complete. This allows us to
+ // capture reliable telemetry on what timeout value should actually be
+ // used to ensure most users don't see one while not making it so large
+ // that many users end up doing a sync init of the search service and thus
+ // would see the jank that implies.
+ // (Note we do actually use a timeout on the XHR, but that's set to be a
+ // large value just incase the request never completes - we don't want the
+ // XHR object to live forever)
+ let timeoutMS = Services.prefs.getIntPref("browser.search.geoip.timeout");
+ let geoipTimeoutPossible = true;
+ let timerId = setTimeout(() => {
+ LOG("_fetchCountryCode: timeout fetching country information");
+ if (geoipTimeoutPossible)
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_COUNTRY_TIMEOUT").add(1);
+ timerId = null;
+ resolve();
+ }, timeoutMS);
+
+ let resolveAndReportSuccess = (result, reason) => {
+ // Even if we timed out, we want to save the country code and everything
+ // related so next startup sees the value and doesn't retry this dance.
+ if (result) {
+ storeCountryCode(result);
+ }
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_COUNTRY_FETCH_RESULT").add(reason);
+
+ // This notification is just for tests...
+ Services.obs.notifyObservers(null, SEARCH_SERVICE_TOPIC, "geoip-lookup-xhr-complete");
+
+ if (timerId) {
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_COUNTRY_TIMEOUT").add(0);
+ geoipTimeoutPossible = false;
+ }
+
+ let callback = () => {
+ // If we've already timed out then we've already resolved the promise,
+ // so there's nothing else to do.
+ if (timerId == null) {
+ return;
+ }
+ clearTimeout(timerId);
+ resolve();
+ };
+
+ if (result && geoSpecificDefaultsEnabled()) {
+ fetchRegionDefault(ss).then(callback).catch(err => {
+ Components.utils.reportError(err);
+ callback();
+ });
+ } else {
+ callback();
+ }
+ };
+
+ let request = new XMLHttpRequest();
+ // This notification is just for tests...
+ Services.obs.notifyObservers(request, SEARCH_SERVICE_TOPIC, "geoip-lookup-xhr-starting");
+ request.timeout = 100000; // 100 seconds as the last-chance fallback
+ request.onload = function(event) {
+ let took = Date.now() - startTime;
+ let cc = event.target.response && event.target.response.country_code;
+ LOG("_fetchCountryCode got success response in " + took + "ms: " + cc);
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_COUNTRY_FETCH_TIME_MS").add(took);
+ let reason = cc ? TELEMETRY_RESULT_ENUM.SUCCESS : TELEMETRY_RESULT_ENUM.SUCCESS_WITHOUT_DATA;
+ resolveAndReportSuccess(cc, reason);
+ };
+ request.ontimeout = function(event) {
+ LOG("_fetchCountryCode: XHR finally timed-out fetching country information");
+ resolveAndReportSuccess(null, TELEMETRY_RESULT_ENUM.XHRTIMEOUT);
+ };
+ request.onerror = function(event) {
+ LOG("_fetchCountryCode: failed to retrieve country information");
+ resolveAndReportSuccess(null, TELEMETRY_RESULT_ENUM.ERROR);
+ };
+ request.open("POST", endpoint, true);
+ request.setRequestHeader("Content-Type", "application/json");
+ request.responseType = "json";
+ request.send("{}");
+ });
+}
+
+// This will make an HTTP request to a Mozilla server that will return
+// JSON data telling us what engine should be set as the default for
+// the current region, and how soon we should check again.
+//
+// The optional cohort value returned by the server is to be kept locally
+// and sent to the server the next time we ping it. It lets the server
+// identify profiles that have been part of a specific experiment.
+//
+// This promise may take up to 100s to resolve, it's the caller's
+// responsibility to ensure with a timer that we are not going to
+// block the async init for too long.
+var fetchRegionDefault = (ss) => new Promise(resolve => {
+ let urlTemplate = Services.prefs.getDefaultBranch(BROWSER_SEARCH_PREF)
+ .getCharPref("geoSpecificDefaults.url");
+ let endpoint = Services.urlFormatter.formatURL(urlTemplate);
+
+ // As an escape hatch, no endpoint means no region specific defaults.
+ if (!endpoint) {
+ resolve();
+ return;
+ }
+
+ // Append the optional cohort value.
+ const cohortPref = "browser.search.cohort";
+ let cohort;
+ try {
+ cohort = Services.prefs.getCharPref(cohortPref);
+ } catch (e) {}
+ if (cohort)
+ endpoint += "/" + cohort;
+
+ LOG("fetchRegionDefault starting with endpoint " + endpoint);
+
+ let startTime = Date.now();
+ let request = new XMLHttpRequest();
+ request.timeout = 100000; // 100 seconds as the last-chance fallback
+ request.onload = function(event) {
+ let took = Date.now() - startTime;
+
+ let status = event.target.status;
+ if (status != 200) {
+ LOG("fetchRegionDefault failed with HTTP code " + status);
+ let retryAfter = request.getResponseHeader("retry-after");
+ if (retryAfter) {
+ ss.setGlobalAttr("searchDefaultExpir", Date.now() + retryAfter * 1000);
+ }
+ resolve();
+ return;
+ }
+
+ let response = event.target.response || {};
+ LOG("received " + response.toSource());
+
+ if (response.cohort) {
+ Services.prefs.setCharPref(cohortPref, response.cohort);
+ } else {
+ Services.prefs.clearUserPref(cohortPref);
+ }
+
+ if (response.settings && response.settings.searchDefault) {
+ let defaultEngine = response.settings.searchDefault;
+ ss.setVerifiedGlobalAttr("searchDefault", defaultEngine);
+ LOG("fetchRegionDefault saved searchDefault: " + defaultEngine);
+ }
+
+ if (response.settings && response.settings.visibleDefaultEngines) {
+ let visibleDefaultEngines = response.settings.visibleDefaultEngines;
+ let string = visibleDefaultEngines.join(",");
+ ss.setVerifiedGlobalAttr("visibleDefaultEngines", string);
+ LOG("fetchRegionDefault saved visibleDefaultEngines: " + string);
+ }
+
+ let interval = response.interval || SEARCH_GEO_DEFAULT_UPDATE_INTERVAL;
+ let milliseconds = interval * 1000; // |interval| is in seconds.
+ ss.setGlobalAttr("searchDefaultExpir", Date.now() + milliseconds);
+
+ LOG("fetchRegionDefault got success response in " + took + "ms");
+ resolve();
+ };
+ request.ontimeout = function(event) {
+ LOG("fetchRegionDefault: XHR finally timed-out");
+ resolve();
+ };
+ request.onerror = function(event) {
+ LOG("fetchRegionDefault: failed to retrieve territory default information");
+ resolve();
+ };
+ request.open("GET", endpoint, true);
+ request.setRequestHeader("Content-Type", "application/json");
+ request.responseType = "json";
+ request.send();
+});
+
+function getVerificationHash(aName) {
+ let disclaimer = "By modifying this file, I agree that I am doing so " +
+ "only within $appName itself, using official, user-driven search " +
+ "engine selection processes, and in a way which does not circumvent " +
+ "user consent. I acknowledge that any attempt to change this file " +
+ "from outside of $appName is a malicious act, and will be responded " +
+ "to accordingly."
+
+ let salt = OS.Path.basename(OS.Constants.Path.profileDir) + aName +
+ disclaimer.replace(/\$appName/g, Services.appinfo.name);
+
+ let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
+ .createInstance(Ci.nsIScriptableUnicodeConverter);
+ converter.charset = "UTF-8";
+
+ // Data is an array of bytes.
+ let data = converter.convertToByteArray(salt, {});
+ let hasher = Cc["@mozilla.org/security/hash;1"]
+ .createInstance(Ci.nsICryptoHash);
+ hasher.init(hasher.SHA256);
+ hasher.update(data, data.length);
+
+ return hasher.finish(true);
+}
+
+/**
+ * Safely close a nsISafeOutputStream.
+ * @param aFOS
+ * The file output stream to close.
+ */
+function closeSafeOutputStream(aFOS) {
+ if (aFOS instanceof Ci.nsISafeOutputStream) {
+ try {
+ aFOS.finish();
+ return;
+ } catch (e) { }
+ }
+ aFOS.close();
+}
+
+/**
+ * Wrapper function for nsIIOService::newURI.
+ * @param aURLSpec
+ * The URL string from which to create an nsIURI.
+ * @returns an nsIURI object, or null if the creation of the URI failed.
+ */
+function makeURI(aURLSpec, aCharset) {
+ try {
+ return NetUtil.newURI(aURLSpec, aCharset);
+ } catch (ex) { }
+
+ return null;
+}
+
+/**
+ * Wrapper function for nsIIOService::newChannel2.
+ * @param url
+ * The URL string from which to create an nsIChannel.
+ * @returns an nsIChannel object, or null if the url is invalid.
+ */
+function makeChannel(url) {
+ try {
+ return NetUtil.newChannel({
+ uri: url,
+ loadUsingSystemPrincipal: true
+ });
+ } catch (ex) { }
+
+ return null;
+}
+
+/**
+ * Gets a directory from the directory service.
+ * @param aKey
+ * The directory service key indicating the directory to get.
+ */
+function getDir(aKey, aIFace) {
+ if (!aKey)
+ FAIL("getDir requires a directory key!");
+
+ return Services.dirsvc.get(aKey, aIFace || Ci.nsIFile);
+}
+
+/**
+ * Gets the current value of the locale. It's possible for this preference to
+ * be localized, so we have to do a little extra work here. Similar code
+ * exists in nsHttpHandler.cpp when building the UA string.
+ */
+function getLocale() {
+ let locale = getLocalizedPref(LOCALE_PREF);
+ if (locale)
+ return locale;
+
+ // Not localized.
+ return Services.prefs.getCharPref(LOCALE_PREF);
+}
+
+/**
+ * Wrapper for nsIPrefBranch::getComplexValue.
+ * @param aPrefName
+ * The name of the pref to get.
+ * @returns aDefault if the requested pref doesn't exist.
+ */
+function getLocalizedPref(aPrefName, aDefault) {
+ const nsIPLS = Ci.nsIPrefLocalizedString;
+ try {
+ return Services.prefs.getComplexValue(aPrefName, nsIPLS).data;
+ } catch (ex) {}
+
+ return aDefault;
+}
+
+/**
+ * Wrapper for nsIPrefBranch::getBoolPref.
+ * @param aPrefName
+ * The name of the pref to get.
+ * @returns aDefault if the requested pref doesn't exist.
+ */
+function getBoolPref(aName, aDefault) {
+ if (Services.prefs.getPrefType(aName) != Ci.nsIPrefBranch.PREF_BOOL)
+ return aDefault;
+ return Services.prefs.getBoolPref(aName);
+}
+
+/**
+ * @return a sanitized name to be used as a filename, or a random name
+ * if a sanitized name cannot be obtained (if aName contains
+ * no valid characters).
+ */
+function sanitizeName(aName) {
+ const maxLength = 60;
+ const minLength = 1;
+ var name = aName.toLowerCase();
+ name = name.replace(/\s+/g, "-");
+ name = name.replace(/[^-a-z0-9]/g, "");
+
+ // Use a random name if our input had no valid characters.
+ if (name.length < minLength)
+ name = Math.random().toString(36).replace(/^.*\./, '');
+
+ // Force max length.
+ return name.substring(0, maxLength);
+}
+
+/**
+ * Retrieve a pref from the search param branch.
+ *
+ * @param prefName
+ * The name of the pref.
+ **/
+function getMozParamPref(prefName) {
+ let branch = Services.prefs.getDefaultBranch(BROWSER_SEARCH_PREF + "param.");
+ return encodeURIComponent(branch.getCharPref(prefName));
+}
+
+/**
+ * Notifies watchers of SEARCH_ENGINE_TOPIC about changes to an engine or to
+ * the state of the search service.
+ *
+ * @param aEngine
+ * The nsISearchEngine object to which the change applies.
+ * @param aVerb
+ * A verb describing the change.
+ *
+ * @see nsIBrowserSearchService.idl
+ */
+var gInitialized = false;
+function notifyAction(aEngine, aVerb) {
+ if (gInitialized) {
+ LOG("NOTIFY: Engine: \"" + aEngine.name + "\"; Verb: \"" + aVerb + "\"");
+ Services.obs.notifyObservers(aEngine, SEARCH_ENGINE_TOPIC, aVerb);
+ }
+}
+
+function parseJsonFromStream(aInputStream) {
+ const json = Cc["@mozilla.org/dom/json;1"].createInstance(Ci.nsIJSON);
+ const data = json.decodeFromStream(aInputStream, aInputStream.available());
+ return data;
+}
+
+/**
+ * Simple object representing a name/value pair.
+ */
+function QueryParameter(aName, aValue, aPurpose) {
+ if (!aName || (aValue == null))
+ FAIL("missing name or value for QueryParameter!");
+
+ this.name = aName;
+ this.value = aValue;
+ this.purpose = aPurpose;
+}
+
+/**
+ * Perform OpenSearch parameter substitution on aParamValue.
+ *
+ * @param aParamValue
+ * A string containing OpenSearch search parameters.
+ * @param aSearchTerms
+ * The user-provided search terms. This string will inserted into
+ * aParamValue as the value of the OS_PARAM_USER_DEFINED parameter.
+ * This value must already be escaped appropriately - it is inserted
+ * as-is.
+ * @param aEngine
+ * The engine which owns the string being acted on.
+ *
+ * @see http://opensearch.a9.com/spec/1.1/querysyntax/#core
+ */
+function ParamSubstitution(aParamValue, aSearchTerms, aEngine) {
+ var value = aParamValue;
+
+ var distributionID = Services.appinfo.distributionID;
+ try {
+ distributionID = Services.prefs.getCharPref(BROWSER_SEARCH_PREF + "distributionID");
+ }
+ catch (ex) { }
+ var official = MOZ_OFFICIAL;
+ try {
+ if (Services.prefs.getBoolPref(BROWSER_SEARCH_PREF + "official"))
+ official = "official";
+ else
+ official = "unofficial";
+ }
+ catch (ex) { }
+
+ // Custom search parameters. These are only available to default search
+ // engines.
+ if (aEngine._isDefault) {
+ value = value.replace(MOZ_PARAM_LOCALE, getLocale());
+ value = value.replace(MOZ_PARAM_DIST_ID, distributionID);
+ value = value.replace(MOZ_PARAM_OFFICIAL, official);
+ }
+
+ // Insert the OpenSearch parameters we're confident about
+ value = value.replace(OS_PARAM_USER_DEFINED, aSearchTerms);
+ value = value.replace(OS_PARAM_INPUT_ENCODING, aEngine.queryCharset);
+ value = value.replace(OS_PARAM_LANGUAGE,
+ getLocale() || OS_PARAM_LANGUAGE_DEF);
+ value = value.replace(OS_PARAM_OUTPUT_ENCODING,
+ OS_PARAM_OUTPUT_ENCODING_DEF);
+
+ // Replace any optional parameters
+ value = value.replace(OS_PARAM_OPTIONAL, "");
+
+ // Insert any remaining required params with our default values
+ for (var i = 0; i < OS_UNSUPPORTED_PARAMS.length; ++i) {
+ value = value.replace(OS_UNSUPPORTED_PARAMS[i][0],
+ OS_UNSUPPORTED_PARAMS[i][1]);
+ }
+
+ return value;
+}
+
+/**
+ * Creates an engineURL object, which holds the query URL and all parameters.
+ *
+ * @param aType
+ * A string containing the name of the MIME type of the search results
+ * returned by this URL.
+ * @param aMethod
+ * The HTTP request method. Must be a case insensitive value of either
+ * "GET" or "POST".
+ * @param aTemplate
+ * The URL to which search queries should be sent. For GET requests,
+ * must contain the string "{searchTerms}", to indicate where the user
+ * entered search terms should be inserted.
+ * @param aResultDomain
+ * The root domain for this URL. Defaults to the template's host.
+ *
+ * @see http://opensearch.a9.com/spec/1.1/querysyntax/#urltag
+ *
+ * @throws NS_ERROR_NOT_IMPLEMENTED if aType is unsupported.
+ */
+function EngineURL(aType, aMethod, aTemplate, aResultDomain) {
+ if (!aType || !aMethod || !aTemplate)
+ FAIL("missing type, method or template for EngineURL!");
+
+ var method = aMethod.toUpperCase();
+ var type = aType.toLowerCase();
+
+ if (method != "GET" && method != "POST")
+ FAIL("method passed to EngineURL must be \"GET\" or \"POST\"");
+
+ this.type = type;
+ this.method = method;
+ this.params = [];
+ this.rels = [];
+ // Don't serialize expanded mozparams
+ this.mozparams = {};
+
+ var templateURI = makeURI(aTemplate);
+ if (!templateURI)
+ FAIL("new EngineURL: template is not a valid URI!", Cr.NS_ERROR_FAILURE);
+
+ switch (templateURI.scheme) {
+ case "http":
+ case "https":
+ // Disable these for now, see bug 295018
+ // case "file":
+ // case "resource":
+ this.template = aTemplate;
+ break;
+ default:
+ FAIL("new EngineURL: template uses invalid scheme!", Cr.NS_ERROR_FAILURE);
+ }
+
+ // If no resultDomain was specified in the engine definition file, use the
+ // host from the template.
+ this.resultDomain = aResultDomain || templateURI.host;
+ // We never want to return a "www." prefix, so eventually strip it.
+ if (this.resultDomain.startsWith("www.")) {
+ this.resultDomain = this.resultDomain.substr(4);
+ }
+}
+EngineURL.prototype = {
+
+ addParam: function SRCH_EURL_addParam(aName, aValue, aPurpose) {
+ this.params.push(new QueryParameter(aName, aValue, aPurpose));
+ },
+
+ // Note: This method requires that aObj has a unique name or the previous MozParams entry with
+ // that name will be overwritten.
+ _addMozParam: function SRCH_EURL__addMozParam(aObj) {
+ aObj.mozparam = true;
+ this.mozparams[aObj.name] = aObj;
+ },
+
+ getSubmission: function SRCH_EURL_getSubmission(aSearchTerms, aEngine, aPurpose) {
+ var url = ParamSubstitution(this.template, aSearchTerms, aEngine);
+ // Default to searchbar if the purpose is not provided
+ var purpose = aPurpose || "searchbar";
+
+ // If a particular purpose isn't defined in the plugin, fallback to 'searchbar'.
+ if (!this.params.some(p => p.purpose !== undefined && p.purpose == purpose))
+ purpose = "searchbar";
+
+ // Create an application/x-www-form-urlencoded representation of our params
+ // (name=value&name=value&name=value)
+ var dataString = "";
+ for (var i = 0; i < this.params.length; ++i) {
+ var param = this.params[i];
+
+ // If this parameter has a purpose, only add it if the purpose matches
+ if (param.purpose !== undefined && param.purpose != purpose)
+ continue;
+
+ var value = ParamSubstitution(param.value, aSearchTerms, aEngine);
+
+ dataString += (i > 0 ? "&" : "") + param.name + "=" + value;
+ }
+
+ var postData = null;
+ if (this.method == "GET") {
+ // GET method requests have no post data, and append the encoded
+ // query string to the url...
+ if (url.indexOf("?") == -1 && dataString)
+ url += "?";
+ url += dataString;
+ } else if (this.method == "POST") {
+ // POST method requests must wrap the encoded text in a MIME
+ // stream and supply that as POSTDATA.
+ var stringStream = Cc["@mozilla.org/io/string-input-stream;1"].
+ createInstance(Ci.nsIStringInputStream);
+ stringStream.data = dataString;
+
+ postData = Cc["@mozilla.org/network/mime-input-stream;1"].
+ createInstance(Ci.nsIMIMEInputStream);
+ postData.addHeader("Content-Type", "application/x-www-form-urlencoded");
+ postData.addContentLength = true;
+ postData.setData(stringStream);
+ }
+
+ return new Submission(makeURI(url), postData);
+ },
+
+ _getTermsParameterName: function SRCH_EURL__getTermsParameterName() {
+ let queryParam = this.params.find(p => p.value == USER_DEFINED);
+ return queryParam ? queryParam.name : "";
+ },
+
+ _hasRelation: function SRC_EURL__hasRelation(aRel) {
+ return this.rels.some(e => e == aRel.toLowerCase());
+ },
+
+ _initWithJSON: function SRC_EURL__initWithJSON(aJson, aEngine) {
+ if (!aJson.params)
+ return;
+
+ this.rels = aJson.rels;
+
+ for (let i = 0; i < aJson.params.length; ++i) {
+ let param = aJson.params[i];
+ if (param.mozparam) {
+ if (param.condition == "pref") {
+ let value = getMozParamPref(param.pref);
+ this.addParam(param.name, value);
+ }
+ this._addMozParam(param);
+ }
+ else
+ this.addParam(param.name, param.value, param.purpose || undefined);
+ }
+ },
+
+ /**
+ * Creates a JavaScript object that represents this URL.
+ * @returns An object suitable for serialization as JSON.
+ **/
+ toJSON: function SRCH_EURL_toJSON() {
+ var json = {
+ template: this.template,
+ rels: this.rels,
+ resultDomain: this.resultDomain
+ };
+
+ if (this.type != URLTYPE_SEARCH_HTML)
+ json.type = this.type;
+ if (this.method != "GET")
+ json.method = this.method;
+
+ function collapseMozParams(aParam) {
+ return this.mozparams[aParam.name] || aParam;
+ }
+ json.params = this.params.map(collapseMozParams, this);
+
+ return json;
+ }
+};
+
+/**
+ * nsISearchEngine constructor.
+ * @param aLocation
+ * A nsILocalFile or nsIURI object representing the location of the
+ * search engine data file.
+ * @param aIsReadOnly
+ * Boolean indicating whether the engine should be treated as read-only.
+ */
+function Engine(aLocation, aIsReadOnly) {
+ this._readOnly = aIsReadOnly;
+ this._urls = [];
+ this._metaData = {};
+
+ let file, uri;
+ if (typeof aLocation == "string") {
+ this._shortName = aLocation;
+ } else if (aLocation instanceof Ci.nsILocalFile) {
+ if (!aIsReadOnly) {
+ // This is an engine that was installed in NS_APP_USER_SEARCH_DIR by a
+ // previous version. We are converting the file to an engine stored only
+ // in JSON, but we need to keep the reference to the profile file to
+ // remove it if the user ever removes the engine.
+ this._filePath = aLocation.persistentDescriptor;
+ }
+ file = aLocation;
+ } else if (aLocation instanceof Ci.nsIURI) {
+ switch (aLocation.scheme) {
+ case "https":
+ case "http":
+ case "ftp":
+ case "data":
+ case "file":
+ case "resource":
+ case "chrome":
+ uri = aLocation;
+ break;
+ default:
+ ERROR("Invalid URI passed to the nsISearchEngine constructor",
+ Cr.NS_ERROR_INVALID_ARG);
+ }
+ } else
+ ERROR("Engine location is neither a File nor a URI object",
+ Cr.NS_ERROR_INVALID_ARG);
+
+ if (!this._shortName) {
+ // If we don't have a shortName at this point, it's the first time we load
+ // this engine, so let's generate the shortName, id and loadPath values.
+ let shortName;
+ if (file) {
+ shortName = file.leafName;
+ }
+ else if (uri && uri instanceof Ci.nsIURL) {
+ if (aIsReadOnly || (gEnvironment.get("XPCSHELL_TEST_PROFILE_DIR") &&
+ uri.scheme == "resource")) {
+ shortName = uri.fileName;
+ }
+ }
+ if (shortName && shortName.endsWith(".xml")) {
+ this._shortName = shortName.slice(0, -4);
+ }
+ this._loadPath = this.getAnonymizedLoadPath(file, uri);
+
+ if (!shortName && !aIsReadOnly) {
+ // We are in the process of downloading and installing the engine.
+ // We'll have the shortName and id once we are done parsing it.
+ return;
+ }
+
+ // Build the id used for the legacy metadata storage, so that we
+ // can do a one-time import of data from old profiles.
+ if (this._isDefault ||
+ (uri && uri.spec.startsWith(APP_SEARCH_PREFIX))) {
+ // The second part of the check is to catch engines from language packs.
+ // They aren't default engines (because they aren't app-shipped), but we
+ // still need to give their id an [app] prefix for backward compat.
+ this._id = "[app]/" + this._shortName + ".xml";
+ }
+ else if (!aIsReadOnly) {
+ this._id = "[profile]/" + this._shortName + ".xml";
+ }
+ else {
+ // If the engine is neither a default one, nor a user-installed one,
+ // it must be extension-shipped, so use the full path as id.
+ LOG("Setting _id to full path for engine from " + this._loadPath);
+ this._id = file ? file.path : uri.spec;
+ }
+ }
+}
+
+Engine.prototype = {
+ // Data set by the user.
+ _metaData: null,
+ // The data describing the engine, in the form of an XML document element.
+ _data: null,
+ // Whether or not the engine is readonly.
+ _readOnly: true,
+ // Anonymized path of where we initially loaded the engine from.
+ // This will stay null for engines installed in the profile before we moved
+ // to a JSON storage.
+ _loadPath: null,
+ // The engine's description
+ _description: "",
+ // Used to store the engine to replace, if we're an update to an existing
+ // engine.
+ _engineToUpdate: null,
+ // Set to true if the engine has a preferred icon (an icon that should not be
+ // overridden by a non-preferred icon).
+ _hasPreferredIcon: null,
+ // The engine's name.
+ _name: null,
+ // The name of the charset used to submit the search terms.
+ _queryCharset: null,
+ // The engine's raw SearchForm value (URL string pointing to a search form).
+ __searchForm: null,
+ get _searchForm() {
+ return this.__searchForm;
+ },
+ set _searchForm(aValue) {
+ if (/^https?:/i.test(aValue))
+ this.__searchForm = aValue;
+ else
+ LOG("_searchForm: Invalid URL dropped for " + this._name ||
+ "the current engine");
+ },
+ // Whether to obtain user confirmation before adding the engine. This is only
+ // used when the engine is first added to the list.
+ _confirm: false,
+ // Whether to set this as the current engine as soon as it is loaded. This
+ // is only used when the engine is first added to the list.
+ _useNow: false,
+ // A function to be invoked when this engine object's addition completes (or
+ // fails). Only used for installation via addEngine.
+ _installCallback: null,
+ // The number of days between update checks for new versions
+ _updateInterval: null,
+ // The url to check at for a new update
+ _updateURL: null,
+ // The url to check for a new icon
+ _iconUpdateURL: null,
+ /* The extension ID if added by an extension. */
+ _extensionID: null,
+
+ /**
+ * Retrieves the data from the engine's file.
+ * The document element is placed in the engine's data field.
+ */
+ _initFromFile: function SRCH_ENG_initFromFile(file) {
+ if (!file || !file.exists())
+ FAIL("File must exist before calling initFromFile!", Cr.NS_ERROR_UNEXPECTED);
+
+ var fileInStream = Cc["@mozilla.org/network/file-input-stream;1"].
+ createInstance(Ci.nsIFileInputStream);
+
+ fileInStream.init(file, MODE_RDONLY, FileUtils.PERMS_FILE, false);
+
+ var domParser = Cc["@mozilla.org/xmlextras/domparser;1"].
+ createInstance(Ci.nsIDOMParser);
+ var doc = domParser.parseFromStream(fileInStream, "UTF-8",
+ file.fileSize,
+ "text/xml");
+
+ this._data = doc.documentElement;
+ fileInStream.close();
+
+ // Now that the data is loaded, initialize the engine object
+ this._initFromData();
+ },
+
+ /**
+ * Retrieves the data from the engine's file asynchronously.
+ * The document element is placed in the engine's data field.
+ *
+ * @param file The file to load the search plugin from.
+ *
+ * @returns {Promise} A promise, resolved successfully if initializing from
+ * data succeeds, rejected if it fails.
+ */
+ _asyncInitFromFile: Task.async(function* (file) {
+ if (!file || !(yield OS.File.exists(file.path)))
+ FAIL("File must exist before calling initFromFile!", Cr.NS_ERROR_UNEXPECTED);
+
+ let fileURI = NetUtil.ioService.newFileURI(file);
+ yield this._retrieveSearchXMLData(fileURI.spec);
+
+ // Now that the data is loaded, initialize the engine object
+ this._initFromData();
+ }),
+
+ /**
+ * Retrieves the engine data from a URI. Initializes the engine, flushes to
+ * disk, and notifies the search service once initialization is complete.
+ *
+ * @param uri The uri to load the search plugin from.
+ */
+ _initFromURIAndLoad: function SRCH_ENG_initFromURIAndLoad(uri) {
+ ENSURE_WARN(uri instanceof Ci.nsIURI,
+ "Must have URI when calling _initFromURIAndLoad!",
+ Cr.NS_ERROR_UNEXPECTED);
+
+ LOG("_initFromURIAndLoad: Downloading engine from: \"" + uri.spec + "\".");
+
+ var chan = NetUtil.newChannel({
+ uri: uri,
+ loadUsingSystemPrincipal: true
+ });
+
+ if (this._engineToUpdate && (chan instanceof Ci.nsIHttpChannel)) {
+ var lastModified = this._engineToUpdate.getAttr("updatelastmodified");
+ if (lastModified)
+ chan.setRequestHeader("If-Modified-Since", lastModified, false);
+ }
+ this._uri = uri;
+ var listener = new loadListener(chan, this, this._onLoad);
+ chan.notificationCallbacks = listener;
+ chan.asyncOpen2(listener);
+ },
+
+ /**
+ * Retrieves the engine data from a URI asynchronously and initializes it.
+ *
+ * @param uri The uri to load the search plugin from.
+ *
+ * @returns {Promise} A promise, resolved successfully if retrieveing data
+ * succeeds.
+ */
+ _asyncInitFromURI: Task.async(function* (uri) {
+ LOG("_asyncInitFromURI: Loading engine from: \"" + uri.spec + "\".");
+ yield this._retrieveSearchXMLData(uri.spec);
+ // Now that the data is loaded, initialize the engine object
+ this._initFromData();
+ }),
+
+ /**
+ * Retrieves the engine data for a given URI asynchronously.
+ *
+ * @returns {Promise} A promise, resolved successfully if retrieveing data
+ * succeeds.
+ */
+ _retrieveSearchXMLData: function SRCH_ENG__retrieveSearchXMLData(aURL) {
+ let deferred = Promise.defer();
+ let request = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].
+ createInstance(Ci.nsIXMLHttpRequest);
+ request.overrideMimeType("text/xml");
+ request.onload = (aEvent) => {
+ let responseXML = aEvent.target.responseXML;
+ this._data = responseXML.documentElement;
+ deferred.resolve();
+ };
+ request.onerror = function(aEvent) {
+ deferred.resolve();
+ };
+ request.open("GET", aURL, true);
+ request.send();
+
+ return deferred.promise;
+ },
+
+ _initFromURISync: function SRCH_ENG_initFromURISync(uri) {
+ ENSURE_WARN(uri instanceof Ci.nsIURI,
+ "Must have URI when calling _initFromURISync!",
+ Cr.NS_ERROR_UNEXPECTED);
+
+ ENSURE_WARN(uri.schemeIs("resource"), "_initFromURISync called for non-resource URI",
+ Cr.NS_ERROR_FAILURE);
+
+ LOG("_initFromURISync: Loading engine from: \"" + uri.spec + "\".");
+
+ var chan = NetUtil.newChannel({
+ uri: uri,
+ loadUsingSystemPrincipal: true
+ });
+
+ var stream = chan.open2();
+ var parser = Cc["@mozilla.org/xmlextras/domparser;1"].
+ createInstance(Ci.nsIDOMParser);
+ var doc = parser.parseFromStream(stream, "UTF-8", stream.available(), "text/xml");
+
+ this._data = doc.documentElement;
+
+ // Now that the data is loaded, initialize the engine object
+ this._initFromData();
+ },
+
+ /**
+ * Attempts to find an EngineURL object in the set of EngineURLs for
+ * this Engine that has the given type string. (This corresponds to the
+ * "type" attribute in the "Url" node in the OpenSearch spec.)
+ * This method will return the first matching URL object found, or null
+ * if no matching URL is found.
+ *
+ * @param aType string to match the EngineURL's type attribute
+ * @param aRel [optional] only return URLs that with this rel value
+ */
+ _getURLOfType: function SRCH_ENG__getURLOfType(aType, aRel) {
+ for (var i = 0; i < this._urls.length; ++i) {
+ if (this._urls[i].type == aType && (!aRel || this._urls[i]._hasRelation(aRel)))
+ return this._urls[i];
+ }
+
+ return null;
+ },
+
+ _confirmAddEngine: function SRCH_SVC_confirmAddEngine() {
+ var stringBundle = Services.strings.createBundle(SEARCH_BUNDLE);
+ var titleMessage = stringBundle.GetStringFromName("addEngineConfirmTitle");
+
+ // Display only the hostname portion of the URL.
+ var dialogMessage =
+ stringBundle.formatStringFromName("addEngineConfirmation",
+ [this._name, this._uri.host], 2);
+ var checkboxMessage = null;
+ if (!getBoolPref(BROWSER_SEARCH_PREF + "noCurrentEngine", false))
+ checkboxMessage = stringBundle.GetStringFromName("addEngineAsCurrentText");
+
+ var addButtonLabel =
+ stringBundle.GetStringFromName("addEngineAddButtonLabel");
+
+ var ps = Services.prompt;
+ var buttonFlags = (ps.BUTTON_TITLE_IS_STRING * ps.BUTTON_POS_0) +
+ (ps.BUTTON_TITLE_CANCEL * ps.BUTTON_POS_1) +
+ ps.BUTTON_POS_0_DEFAULT;
+
+ var checked = {value: false};
+ // confirmEx returns the index of the button that was pressed. Since "Add"
+ // is button 0, we want to return the negation of that value.
+ var confirm = !ps.confirmEx(null,
+ titleMessage,
+ dialogMessage,
+ buttonFlags,
+ addButtonLabel,
+ null, null, // button 1 & 2 names not used
+ checkboxMessage,
+ checked);
+
+ return {confirmed: confirm, useNow: checked.value};
+ },
+
+ /**
+ * Handle the successful download of an engine. Initializes the engine and
+ * triggers parsing of the data. The engine is then flushed to disk. Notifies
+ * the search service once initialization is complete.
+ */
+ _onLoad: function SRCH_ENG_onLoad(aBytes, aEngine) {
+ /**
+ * Handle an error during the load of an engine by notifying the engine's
+ * error callback, if any.
+ */
+ function onError(errorCode = Ci.nsISearchInstallCallback.ERROR_UNKNOWN_FAILURE) {
+ // Notify the callback of the failure
+ if (aEngine._installCallback) {
+ aEngine._installCallback(errorCode);
+ }
+ }
+
+ function promptError(strings = {}, error = undefined) {
+ onError(error);
+
+ if (aEngine._engineToUpdate) {
+ // We're in an update, so just fail quietly
+ LOG("updating " + aEngine._engineToUpdate.name + " failed");
+ return;
+ }
+ var brandBundle = Services.strings.createBundle(BRAND_BUNDLE);
+ var brandName = brandBundle.GetStringFromName("brandShortName");
+
+ var searchBundle = Services.strings.createBundle(SEARCH_BUNDLE);
+ var msgStringName = strings.error || "error_loading_engine_msg2";
+ var titleStringName = strings.title || "error_loading_engine_title";
+ var title = searchBundle.GetStringFromName(titleStringName);
+ var text = searchBundle.formatStringFromName(msgStringName,
+ [brandName, aEngine._location],
+ 2);
+
+ Services.ww.getNewPrompter(null).alert(title, text);
+ }
+
+ if (!aBytes) {
+ promptError();
+ return;
+ }
+
+ var parser = Cc["@mozilla.org/xmlextras/domparser;1"].
+ createInstance(Ci.nsIDOMParser);
+ var doc = parser.parseFromBuffer(aBytes, aBytes.length, "text/xml");
+ aEngine._data = doc.documentElement;
+
+ try {
+ // Initialize the engine from the obtained data
+ aEngine._initFromData();
+ } catch (ex) {
+ LOG("_onLoad: Failed to init engine!\n" + ex);
+ // Report an error to the user
+ promptError();
+ return;
+ }
+
+ if (aEngine._engineToUpdate) {
+ let engineToUpdate = aEngine._engineToUpdate.wrappedJSObject;
+
+ // Make this new engine use the old engine's shortName, and preserve
+ // metadata.
+ aEngine._shortName = engineToUpdate._shortName;
+ Object.keys(engineToUpdate._metaData).forEach(key => {
+ aEngine.setAttr(key, engineToUpdate.getAttr(key));
+ });
+ aEngine._loadPath = engineToUpdate._loadPath;
+
+ // Keep track of the last modified date, so that we can make conditional
+ // requests for future updates.
+ aEngine.setAttr("updatelastmodified", (new Date()).toUTCString());
+
+ // Set the new engine's icon, if it doesn't yet have one.
+ if (!aEngine._iconURI && engineToUpdate._iconURI)
+ aEngine._iconURI = engineToUpdate._iconURI;
+ } else {
+ // Check that when adding a new engine (e.g., not updating an
+ // existing one), a duplicate engine does not already exist.
+ if (Services.search.getEngineByName(aEngine.name)) {
+ // If we're confirming the engine load, then display a "this is a
+ // duplicate engine" prompt; otherwise, fail silently.
+ if (aEngine._confirm) {
+ promptError({ error: "error_duplicate_engine_msg",
+ title: "error_invalid_engine_title"
+ }, Ci.nsISearchInstallCallback.ERROR_DUPLICATE_ENGINE);
+ } else {
+ onError(Ci.nsISearchInstallCallback.ERROR_DUPLICATE_ENGINE);
+ }
+ LOG("_onLoad: duplicate engine found, bailing");
+ return;
+ }
+
+ // If requested, confirm the addition now that we have the title.
+ // This property is only ever true for engines added via
+ // nsIBrowserSearchService::addEngine.
+ if (aEngine._confirm) {
+ var confirmation = aEngine._confirmAddEngine();
+ LOG("_onLoad: confirm is " + confirmation.confirmed +
+ "; useNow is " + confirmation.useNow);
+ if (!confirmation.confirmed) {
+ onError();
+ return;
+ }
+ aEngine._useNow = confirmation.useNow;
+ }
+
+ aEngine._shortName = sanitizeName(aEngine.name);
+ aEngine._loadPath = aEngine.getAnonymizedLoadPath(null, aEngine._uri);
+ aEngine.setAttr("loadPathHash", getVerificationHash(aEngine._loadPath));
+ }
+
+ // Notify the search service of the successful load. It will deal with
+ // updates by checking aEngine._engineToUpdate.
+ notifyAction(aEngine, SEARCH_ENGINE_LOADED);
+
+ // Notify the callback if needed
+ if (aEngine._installCallback) {
+ aEngine._installCallback();
+ }
+ },
+
+ /**
+ * Creates a key by serializing an object that contains the icon's width
+ * and height.
+ *
+ * @param aWidth
+ * Width of the icon.
+ * @param aHeight
+ * Height of the icon.
+ * @returns key string
+ */
+ _getIconKey: function SRCH_ENG_getIconKey(aWidth, aHeight) {
+ let keyObj = {
+ width: aWidth,
+ height: aHeight
+ };
+
+ return JSON.stringify(keyObj);
+ },
+
+ /**
+ * Add an icon to the icon map used by getIconURIBySize() and getIcons().
+ *
+ * @param aWidth
+ * Width of the icon.
+ * @param aHeight
+ * Height of the icon.
+ * @param aURISpec
+ * String with the icon's URI.
+ */
+ _addIconToMap: function SRCH_ENG_addIconToMap(aWidth, aHeight, aURISpec) {
+ if (aWidth == 16 && aHeight == 16) {
+ // The 16x16 icon is stored in _iconURL, we don't need to store it twice.
+ return;
+ }
+
+ // Use an object instead of a Map() because it needs to be serializable.
+ this._iconMapObj = this._iconMapObj || {};
+ let key = this._getIconKey(aWidth, aHeight);
+ this._iconMapObj[key] = aURISpec;
+ },
+
+ /**
+ * Sets the .iconURI property of the engine. If both aWidth and aHeight are
+ * provided an entry will be added to _iconMapObj that will enable accessing
+ * icon's data through getIcons() and getIconURIBySize() APIs.
+ *
+ * @param aIconURL
+ * A URI string pointing to the engine's icon. Must have a http[s],
+ * ftp, or data scheme. Icons with HTTP[S] or FTP schemes will be
+ * downloaded and converted to data URIs for storage in the engine
+ * XML files, if the engine is not readonly.
+ * @param aIsPreferred
+ * Whether or not this icon is to be preferred. Preferred icons can
+ * override non-preferred icons.
+ * @param aWidth (optional)
+ * Width of the icon.
+ * @param aHeight (optional)
+ * Height of the icon.
+ */
+ _setIcon: function SRCH_ENG_setIcon(aIconURL, aIsPreferred, aWidth, aHeight) {
+ var uri = makeURI(aIconURL);
+
+ // Ignore bad URIs
+ if (!uri)
+ return;
+
+ LOG("_setIcon: Setting icon url \"" + limitURILength(uri.spec) + "\" for engine \""
+ + this.name + "\".");
+ // Only accept remote icons from http[s] or ftp
+ switch (uri.scheme) {
+ case "resource":
+ case "chrome":
+ // We only allow chrome and resource icon URLs for built-in search engines
+ if (!this._isDefault) {
+ return;
+ }
+ // Fall through to the data case
+ case "data":
+ if (!this._hasPreferredIcon || aIsPreferred) {
+ this._iconURI = uri;
+ notifyAction(this, SEARCH_ENGINE_CHANGED);
+ this._hasPreferredIcon = aIsPreferred;
+ }
+
+ if (aWidth && aHeight) {
+ this._addIconToMap(aWidth, aHeight, aIconURL)
+ }
+ break;
+ case "http":
+ case "https":
+ case "ftp":
+ LOG("_setIcon: Downloading icon: \"" + uri.spec +
+ "\" for engine: \"" + this.name + "\"");
+ var chan = NetUtil.newChannel({
+ uri: uri,
+ loadUsingSystemPrincipal: true
+ });
+
+ let iconLoadCallback = function (aByteArray, aEngine) {
+ // This callback may run after we've already set a preferred icon,
+ // so check again.
+ if (aEngine._hasPreferredIcon && !aIsPreferred)
+ return;
+
+ if (!aByteArray || aByteArray.length > MAX_ICON_SIZE) {
+ LOG("iconLoadCallback: load failed, or the icon was too large!");
+ return;
+ }
+
+ let type = chan.contentType;
+ if (!type.startsWith("image/"))
+ type = "image/x-icon";
+ let dataURL = "data:" + type + ";base64," +
+ btoa(String.fromCharCode.apply(null, aByteArray));
+
+ aEngine._iconURI = makeURI(dataURL);
+
+ if (aWidth && aHeight) {
+ aEngine._addIconToMap(aWidth, aHeight, dataURL)
+ }
+
+ notifyAction(aEngine, SEARCH_ENGINE_CHANGED);
+ aEngine._hasPreferredIcon = aIsPreferred;
+ };
+
+ // If we're currently acting as an "update engine", then the callback
+ // should set the icon on the engine we're updating and not us, since
+ // |this| might be gone by the time the callback runs.
+ var engineToSet = this._engineToUpdate || this;
+
+ var listener = new loadListener(chan, engineToSet, iconLoadCallback);
+ chan.notificationCallbacks = listener;
+ chan.asyncOpen2(listener);
+ break;
+ }
+ },
+
+ /**
+ * Initialize this Engine object from the collected data.
+ */
+ _initFromData: function SRCH_ENG_initFromData() {
+ ENSURE_WARN(this._data, "Can't init an engine with no data!",
+ Cr.NS_ERROR_UNEXPECTED);
+
+ // Ensure we have a supported engine type before attempting to parse it.
+ let element = this._data;
+ if ((element.localName == MOZSEARCH_LOCALNAME &&
+ element.namespaceURI == MOZSEARCH_NS_10) ||
+ (element.localName == OPENSEARCH_LOCALNAME &&
+ OPENSEARCH_NAMESPACES.indexOf(element.namespaceURI) != -1)) {
+ LOG("_init: Initing search plugin from " + this._location);
+
+ this._parse();
+
+ } else
+ FAIL(this._location + " is not a valid search plugin.", Cr.NS_ERROR_FAILURE);
+
+ // No need to keep a ref to our data (which in some cases can be a document
+ // element) past this point
+ this._data = null;
+ },
+
+ /**
+ * Initialize this Engine object from a collection of metadata.
+ */
+ _initFromMetadata: function SRCH_ENG_initMetaData(aName, aIconURL, aAlias,
+ aDescription, aMethod,
+ aTemplate, aExtensionID) {
+ ENSURE_WARN(!this._readOnly,
+ "Can't call _initFromMetaData on a readonly engine!",
+ Cr.NS_ERROR_FAILURE);
+
+ this._urls.push(new EngineURL(URLTYPE_SEARCH_HTML, aMethod, aTemplate));
+
+ this._name = aName;
+ this.alias = aAlias;
+ this._description = aDescription;
+ this._setIcon(aIconURL, true);
+ this._extensionID = aExtensionID;
+ },
+
+ /**
+ * Extracts data from an OpenSearch URL element and creates an EngineURL
+ * object which is then added to the engine's list of URLs.
+ *
+ * @throws NS_ERROR_FAILURE if a URL object could not be created.
+ *
+ * @see http://opensearch.a9.com/spec/1.1/querysyntax/#urltag.
+ * @see EngineURL()
+ */
+ _parseURL: function SRCH_ENG_parseURL(aElement) {
+ var type = aElement.getAttribute("type");
+ // According to the spec, method is optional, defaulting to "GET" if not
+ // specified
+ var method = aElement.getAttribute("method") || "GET";
+ var template = aElement.getAttribute("template");
+ var resultDomain = aElement.getAttribute("resultdomain");
+
+ try {
+ var url = new EngineURL(type, method, template, resultDomain);
+ } catch (ex) {
+ FAIL("_parseURL: failed to add " + template + " as a URL",
+ Cr.NS_ERROR_FAILURE);
+ }
+
+ if (aElement.hasAttribute("rel"))
+ url.rels = aElement.getAttribute("rel").toLowerCase().split(/\s+/);
+
+ for (var i = 0; i < aElement.childNodes.length; ++i) {
+ var param = aElement.childNodes[i];
+ if (param.localName == "Param") {
+ try {
+ url.addParam(param.getAttribute("name"), param.getAttribute("value"));
+ } catch (ex) {
+ // Ignore failure
+ LOG("_parseURL: Url element has an invalid param");
+ }
+ } else if (param.localName == "MozParam" &&
+ // We only support MozParams for default search engines
+ this._isDefault) {
+ var value;
+ let condition = param.getAttribute("condition");
+
+ // MozParams must have a condition to be valid
+ if (!condition) {
+ let engineLoc = this._location;
+ let paramName = param.getAttribute("name");
+ LOG("_parseURL: MozParam (" + paramName + ") without a condition attribute found parsing engine: " + engineLoc);
+ continue;
+ }
+
+ switch (condition) {
+ case "purpose":
+ url.addParam(param.getAttribute("name"),
+ param.getAttribute("value"),
+ param.getAttribute("purpose"));
+ // _addMozParam is not needed here since it can be serialized fine without. _addMozParam
+ // also requires a unique "name" which is not normally the case when @purpose is used.
+ break;
+ case "pref":
+ try {
+ value = getMozParamPref(param.getAttribute("pref"), value);
+ url.addParam(param.getAttribute("name"), value);
+ url._addMozParam({"pref": param.getAttribute("pref"),
+ "name": param.getAttribute("name"),
+ "condition": "pref"});
+ } catch (e) { }
+ break;
+ default:
+ let engineLoc = this._location;
+ let paramName = param.getAttribute("name");
+ LOG("_parseURL: MozParam (" + paramName + ") has an unknown condition: " + condition + ". Found parsing engine: " + engineLoc);
+ break;
+ }
+ }
+ }
+
+ this._urls.push(url);
+ },
+
+ /**
+ * Get the icon from an OpenSearch Image element.
+ * @see http://opensearch.a9.com/spec/1.1/description/#image
+ */
+ _parseImage: function SRCH_ENG_parseImage(aElement) {
+ LOG("_parseImage: Image textContent: \"" + limitURILength(aElement.textContent) + "\"");
+
+ let width = parseInt(aElement.getAttribute("width"), 10);
+ let height = parseInt(aElement.getAttribute("height"), 10);
+ let isPrefered = width == 16 && height == 16;
+
+ if (isNaN(width) || isNaN(height) || width <= 0 || height <=0) {
+ LOG("OpenSearch image element must have positive width and height.");
+ return;
+ }
+
+ this._setIcon(aElement.textContent, isPrefered, width, height);
+ },
+
+ /**
+ * Extract search engine information from the collected data to initialize
+ * the engine object.
+ */
+ _parse: function SRCH_ENG_parse() {
+ var doc = this._data;
+
+ // The OpenSearch spec sets a default value for the input encoding.
+ this._queryCharset = OS_PARAM_INPUT_ENCODING_DEF;
+
+ for (var i = 0; i < doc.childNodes.length; ++i) {
+ var child = doc.childNodes[i];
+ switch (child.localName) {
+ case "ShortName":
+ this._name = child.textContent;
+ break;
+ case "Description":
+ this._description = child.textContent;
+ break;
+ case "Url":
+ try {
+ this._parseURL(child);
+ } catch (ex) {
+ // Parsing of the element failed, just skip it.
+ LOG("_parse: failed to parse URL child: " + ex);
+ }
+ break;
+ case "Image":
+ this._parseImage(child);
+ break;
+ case "InputEncoding":
+ this._queryCharset = child.textContent.toUpperCase();
+ break;
+
+ // Non-OpenSearch elements
+ case "SearchForm":
+ this._searchForm = child.textContent;
+ break;
+ case "UpdateUrl":
+ this._updateURL = child.textContent;
+ break;
+ case "UpdateInterval":
+ this._updateInterval = parseInt(child.textContent);
+ break;
+ case "IconUpdateUrl":
+ this._iconUpdateURL = child.textContent;
+ break;
+ case "ExtensionID":
+ this._extensionID = child.textContent;
+ break;
+ }
+ }
+ if (!this.name || (this._urls.length == 0))
+ FAIL("_parse: No name, or missing URL!", Cr.NS_ERROR_FAILURE);
+ if (!this.supportsResponseType(URLTYPE_SEARCH_HTML))
+ FAIL("_parse: No text/html result type!", Cr.NS_ERROR_FAILURE);
+ },
+
+ /**
+ * Init from a JSON record.
+ **/
+ _initWithJSON: function SRCH_ENG__initWithJSON(aJson) {
+ this._name = aJson._name;
+ this._shortName = aJson._shortName;
+ this._loadPath = aJson._loadPath;
+ this._description = aJson.description;
+ this._hasPreferredIcon = aJson._hasPreferredIcon == undefined;
+ this._queryCharset = aJson.queryCharset || DEFAULT_QUERY_CHARSET;
+ this.__searchForm = aJson.__searchForm;
+ this._updateInterval = aJson._updateInterval || null;
+ this._updateURL = aJson._updateURL || null;
+ this._iconUpdateURL = aJson._iconUpdateURL || null;
+ this._readOnly = aJson._readOnly == undefined;
+ this._iconURI = makeURI(aJson._iconURL);
+ this._iconMapObj = aJson._iconMapObj;
+ this._metaData = aJson._metaData || {};
+ if (aJson.filePath) {
+ this._filePath = aJson.filePath;
+ }
+ if (aJson.dirPath) {
+ this._dirPath = aJson.dirPath;
+ this._dirLastModifiedTime = aJson.dirLastModifiedTime;
+ }
+ if (aJson.extensionID) {
+ this._extensionID = aJson.extensionID;
+ }
+ for (let i = 0; i < aJson._urls.length; ++i) {
+ let url = aJson._urls[i];
+ let engineURL = new EngineURL(url.type || URLTYPE_SEARCH_HTML,
+ url.method || "GET", url.template,
+ url.resultDomain || undefined);
+ engineURL._initWithJSON(url, this);
+ this._urls.push(engineURL);
+ }
+ },
+
+ /**
+ * Creates a JavaScript object that represents this engine.
+ * @returns An object suitable for serialization as JSON.
+ **/
+ toJSON: function SRCH_ENG_toJSON() {
+ var json = {
+ _name: this._name,
+ _shortName: this._shortName,
+ _loadPath: this._loadPath,
+ description: this.description,
+ __searchForm: this.__searchForm,
+ _iconURL: this._iconURL,
+ _iconMapObj: this._iconMapObj,
+ _metaData: this._metaData,
+ _urls: this._urls
+ };
+
+ if (this._updateInterval)
+ json._updateInterval = this._updateInterval;
+ if (this._updateURL)
+ json._updateURL = this._updateURL;
+ if (this._iconUpdateURL)
+ json._iconUpdateURL = this._iconUpdateURL;
+ if (!this._hasPreferredIcon)
+ json._hasPreferredIcon = this._hasPreferredIcon;
+ if (this.queryCharset != DEFAULT_QUERY_CHARSET)
+ json.queryCharset = this.queryCharset;
+ if (!this._readOnly)
+ json._readOnly = this._readOnly;
+ if (this._filePath) {
+ // File path is stored so that we can remove legacy xml files
+ // from the profile if the user removes the engine.
+ json.filePath = this._filePath;
+ }
+ if (this._dirPath) {
+ // The directory path is only stored for extension-shipped engines,
+ // it's used to invalidate the cache.
+ json.dirPath = this._dirPath;
+ json.dirLastModifiedTime = this._dirLastModifiedTime;
+ }
+ if (this._extensionID) {
+ json.extensionID = this._extensionID;
+ }
+
+ return json;
+ },
+
+ setAttr(name, val) {
+ this._metaData[name] = val;
+ },
+
+ getAttr(name) {
+ return this._metaData[name] || undefined;
+ },
+
+ // nsISearchEngine
+ get alias() {
+ return this.getAttr("alias");
+ },
+ set alias(val) {
+ var value = val ? val.trim() : null;
+ this.setAttr("alias", value);
+ notifyAction(this, SEARCH_ENGINE_CHANGED);
+ },
+
+ /**
+ * Return the built-in identifier of app-provided engines.
+ *
+ * Note that this identifier is substantially similar to _id, with the
+ * following exceptions:
+ *
+ * * There is no trailing file extension.
+ * * There is no [app] prefix.
+ *
+ * @return a string identifier, or null.
+ */
+ get identifier() {
+ // No identifier if If the engine isn't app-provided
+ return this._isDefault ? this._shortName : null;
+ },
+
+ get description() {
+ return this._description;
+ },
+
+ get hidden() {
+ return this.getAttr("hidden") || false;
+ },
+ set hidden(val) {
+ var value = !!val;
+ if (value != this.hidden) {
+ this.setAttr("hidden", value);
+ notifyAction(this, SEARCH_ENGINE_CHANGED);
+ }
+ },
+
+ get iconURI() {
+ if (this._iconURI)
+ return this._iconURI;
+ return null;
+ },
+
+ get _iconURL() {
+ if (!this._iconURI)
+ return "";
+ return this._iconURI.spec;
+ },
+
+ // Where the engine is being loaded from: will return the URI's spec if the
+ // engine is being downloaded and does not yet have a file. This is only used
+ // for logging and error messages.
+ get _location() {
+ if (this._uri)
+ return this._uri.spec;
+
+ return this._loadPath;
+ },
+
+ // This indicates where we found the .xml file to load the engine,
+ // and attempts to hide user-identifiable data (such as username).
+ getAnonymizedLoadPath(file, uri) {
+ /* Examples of expected output:
+ * jar:[app]/omni.ja!browser/engine.xml
+ * 'browser' here is the name of the chrome package, not a folder.
+ * [profile]/searchplugins/engine.xml
+ * [distribution]/searchplugins/common/engine.xml
+ * [other]/engine.xml
+ */
+
+ const NS_XPCOM_CURRENT_PROCESS_DIR = "XCurProcD";
+ const NS_APP_USER_PROFILE_50_DIR = "ProfD";
+ const XRE_APP_DISTRIBUTION_DIR = "XREAppDist";
+
+ const knownDirs = {
+ app: NS_XPCOM_CURRENT_PROCESS_DIR,
+ profile: NS_APP_USER_PROFILE_50_DIR,
+ distribution: XRE_APP_DISTRIBUTION_DIR
+ };
+
+ let leafName = this._shortName;
+ if (!leafName)
+ return "null";
+ leafName += ".xml";
+
+ let prefix = "", suffix = "";
+ if (!file) {
+ if (uri.schemeIs("resource")) {
+ uri = makeURI(Services.io.getProtocolHandler("resource")
+ .QueryInterface(Ci.nsISubstitutingProtocolHandler)
+ .resolveURI(uri));
+ }
+ let scheme = uri.scheme;
+ let packageName = "";
+ if (scheme == "chrome") {
+ packageName = uri.hostPort;
+ uri = gChromeReg.convertChromeURL(uri);
+ }
+
+ if (AppConstants.platform == "android") {
+ // On Android the omni.ja file isn't at the same path as the binary
+ // used to start the process. We tweak the path here so that the code
+ // shared with Desktop will correctly identify files from the omni.ja
+ // file as coming from the [app] folder.
+ let appPath = Services.io.getProtocolHandler("resource")
+ .QueryInterface(Ci.nsIResProtocolHandler)
+ .getSubstitution("android");
+ if (appPath) {
+ appPath = appPath.spec;
+ let spec = uri.spec;
+ if (spec.includes(appPath)) {
+ let appURI = Services.io.newFileURI(getDir(knownDirs["app"]));
+ uri = NetUtil.newURI(spec.replace(appPath, appURI.spec));
+ }
+ }
+ }
+
+ if (uri instanceof Ci.nsINestedURI) {
+ prefix = "jar:";
+ suffix = "!" + packageName + "/" + leafName;
+ uri = uri.innermostURI;
+ }
+ if (uri instanceof Ci.nsIFileURL) {
+ file = uri.file;
+ } else {
+ let path = "[" + scheme + "]";
+ if (/^(?:https?|ftp)$/.test(scheme)) {
+ path += uri.host;
+ }
+ return path + "/" + leafName;
+ }
+ }
+
+ let id;
+ let enginePath = file.path;
+
+ for (let key in knownDirs) {
+ let path;
+ try {
+ path = getDir(knownDirs[key]).path;
+ } catch (e) {
+ // Getting XRE_APP_DISTRIBUTION_DIR throws during unit tests.
+ continue;
+ }
+ if (enginePath.startsWith(path)) {
+ id = "[" + key + "]" + enginePath.slice(path.length).replace(/\\/g, "/");
+ break;
+ }
+ }
+
+ // If the folder doesn't have a known ancestor, don't record its path to
+ // avoid leaking user identifiable data.
+ if (!id)
+ id = "[other]/" + file.leafName;
+
+ return prefix + id + suffix;
+ },
+
+ get _isDefault() {
+ // If we don't have a shortName, the engine is being parsed from a
+ // downloaded file, so this can't be a default engine.
+ if (!this._shortName)
+ return false;
+
+ // An engine is a default one if we initially loaded it from the application
+ // or distribution directory.
+ if (/^(?:jar:)?(?:\[app\]|\[distribution\])/.test(this._loadPath))
+ return true;
+
+ // If we are using a non-default locale or in the xpcshell test case,
+ // we'll accept as a 'default' engine anything that has been registered at
+ // resource://search-plugins/ even if the file doesn't come from the
+ // application folder. If not, skip costly additional checks.
+ if (!Services.prefs.prefHasUserValue(LOCALE_PREF) &&
+ !gEnvironment.get("XPCSHELL_TEST_PROFILE_DIR"))
+ return false;
+
+ // Some xpcshell tests use the search service without registering
+ // resource://search-plugins/.
+ if (!Services.io.getProtocolHandler("resource")
+ .QueryInterface(Ci.nsIResProtocolHandler)
+ .hasSubstitution("search-plugins"))
+ return false;
+
+ let uri = makeURI(APP_SEARCH_PREFIX + this._shortName + ".xml");
+ if (this.getAnonymizedLoadPath(null, uri) == this._loadPath) {
+ // This isn't a real default engine, but it's very close.
+ LOG("_isDefault, pretending " + this._loadPath + " is a default engine");
+ return true;
+ }
+
+ return false;
+ },
+
+ get _hasUpdates() {
+ // Whether or not the engine has an update URL
+ let selfURL = this._getURLOfType(URLTYPE_OPENSEARCH, "self");
+ return !!(this._updateURL || this._iconUpdateURL || selfURL);
+ },
+
+ get name() {
+ return this._name;
+ },
+
+ get searchForm() {
+ return this._getSearchFormWithPurpose();
+ },
+
+ _getSearchFormWithPurpose(aPurpose = "") {
+ // First look for a <Url rel="searchform">
+ var searchFormURL = this._getURLOfType(URLTYPE_SEARCH_HTML, "searchform");
+ if (searchFormURL) {
+ let submission = searchFormURL.getSubmission("", this, aPurpose);
+
+ // If the rel=searchform URL is not type="get" (i.e. has postData),
+ // ignore it, since we can only return a URL.
+ if (!submission.postData)
+ return submission.uri.spec;
+ }
+
+ if (!this._searchForm) {
+ // No SearchForm specified in the engine definition file, use the prePath
+ // (e.g. https://foo.com for https://foo.com/search.php?q=bar).
+ var htmlUrl = this._getURLOfType(URLTYPE_SEARCH_HTML);
+ ENSURE_WARN(htmlUrl, "Engine has no HTML URL!", Cr.NS_ERROR_UNEXPECTED);
+ this._searchForm = makeURI(htmlUrl.template).prePath;
+ }
+
+ return ParamSubstitution(this._searchForm, "", this);
+ },
+
+ get queryCharset() {
+ if (this._queryCharset)
+ return this._queryCharset;
+ return this._queryCharset = "windows-1252"; // the default
+ },
+
+ // from nsISearchEngine
+ addParam: function SRCH_ENG_addParam(aName, aValue, aResponseType) {
+ if (!aName || (aValue == null))
+ FAIL("missing name or value for nsISearchEngine::addParam!");
+ ENSURE_WARN(!this._readOnly,
+ "called nsISearchEngine::addParam on a read-only engine!",
+ Cr.NS_ERROR_FAILURE);
+ if (!aResponseType)
+ aResponseType = URLTYPE_SEARCH_HTML;
+
+ var url = this._getURLOfType(aResponseType);
+ if (!url)
+ FAIL("Engine object has no URL for response type " + aResponseType,
+ Cr.NS_ERROR_FAILURE);
+
+ url.addParam(aName, aValue);
+ },
+
+ get _defaultMobileResponseType() {
+ let type = URLTYPE_SEARCH_HTML;
+
+ let sysInfo = Cc["@mozilla.org/system-info;1"].getService(Ci.nsIPropertyBag2);
+ let isTablet = sysInfo.get("tablet");
+ if (isTablet && this.supportsResponseType("application/x-moz-tabletsearch")) {
+ // Check for a tablet-specific search URL override
+ type = "application/x-moz-tabletsearch";
+ } else if (!isTablet && this.supportsResponseType("application/x-moz-phonesearch")) {
+ // Check for a phone-specific search URL override
+ type = "application/x-moz-phonesearch";
+ }
+
+ delete this._defaultMobileResponseType;
+ return this._defaultMobileResponseType = type;
+ },
+
+ get _isWhiteListed() {
+ let url = this._getURLOfType(URLTYPE_SEARCH_HTML).template;
+ let hostname = makeURI(url).host;
+ let whitelist = Services.prefs.getDefaultBranch(BROWSER_SEARCH_PREF)
+ .getCharPref("reset.whitelist")
+ .split(",");
+ if (whitelist.includes(hostname)) {
+ LOG("The hostname " + hostname + " is white listed, " +
+ "we won't show the search reset prompt");
+ return true;
+ }
+
+ return false;
+ },
+
+ // from nsISearchEngine
+ getSubmission: function SRCH_ENG_getSubmission(aData, aResponseType, aPurpose) {
+ if (!aResponseType) {
+ aResponseType = AppConstants.platform == "android" ? this._defaultMobileResponseType :
+ URLTYPE_SEARCH_HTML;
+ }
+
+ if (aResponseType == URLTYPE_SEARCH_HTML &&
+ Services.prefs.getDefaultBranch(BROWSER_SEARCH_PREF).getBoolPref("reset.enabled") &&
+ this.name == Services.search.currentEngine.name &&
+ !this._isDefault &&
+ this.name != Services.search.originalDefaultEngine.name &&
+ (!this.getAttr("loadPathHash") ||
+ this.getAttr("loadPathHash") != getVerificationHash(this._loadPath)) &&
+ !this._isWhiteListed) {
+ let url = "about:searchreset";
+ let data = [];
+ if (aData)
+ data.push("data=" + encodeURIComponent(aData));
+ if (aPurpose)
+ data.push("purpose=" + aPurpose);
+ if (data.length)
+ url += "?" + data.join("&");
+ return new Submission(makeURI(url));
+ }
+
+ var url = this._getURLOfType(aResponseType);
+
+ if (!url)
+ return null;
+
+ if (!aData) {
+ // Return a dummy submission object with our searchForm attribute
+ return new Submission(makeURI(this._getSearchFormWithPurpose(aPurpose)));
+ }
+
+ LOG("getSubmission: In data: \"" + aData + "\"; Purpose: \"" + aPurpose + "\"");
+ var data = "";
+ try {
+ data = gTextToSubURI.ConvertAndEscape(this.queryCharset, aData);
+ } catch (ex) {
+ LOG("getSubmission: Falling back to default queryCharset!");
+ data = gTextToSubURI.ConvertAndEscape(DEFAULT_QUERY_CHARSET, aData);
+ }
+ LOG("getSubmission: Out data: \"" + data + "\"");
+ return url.getSubmission(data, this, aPurpose);
+ },
+
+ // from nsISearchEngine
+ supportsResponseType: function SRCH_ENG_supportsResponseType(type) {
+ return (this._getURLOfType(type) != null);
+ },
+
+ // from nsISearchEngine
+ getResultDomain: function SRCH_ENG_getResultDomain(aResponseType) {
+ if (!aResponseType) {
+ aResponseType = AppConstants.platform == "android" ? this._defaultMobileResponseType :
+ URLTYPE_SEARCH_HTML;
+ }
+
+ LOG("getResultDomain: responseType: \"" + aResponseType + "\"");
+
+ let url = this._getURLOfType(aResponseType);
+ if (url)
+ return url.resultDomain;
+ return "";
+ },
+
+ /**
+ * Returns URL parsing properties used by _buildParseSubmissionMap.
+ */
+ getURLParsingInfo: function () {
+ let responseType = AppConstants.platform == "android" ? this._defaultMobileResponseType :
+ URLTYPE_SEARCH_HTML;
+
+ LOG("getURLParsingInfo: responseType: \"" + responseType + "\"");
+
+ let url = this._getURLOfType(responseType);
+ if (!url || url.method != "GET") {
+ return null;
+ }
+
+ let termsParameterName = url._getTermsParameterName();
+ if (!termsParameterName) {
+ return null;
+ }
+
+ let templateUrl = NetUtil.newURI(url.template).QueryInterface(Ci.nsIURL);
+ return {
+ mainDomain: templateUrl.host,
+ path: templateUrl.filePath.toLowerCase(),
+ termsParameterName: termsParameterName,
+ };
+ },
+
+ // nsISupports
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsISearchEngine]),
+
+ get wrappedJSObject() {
+ return this;
+ },
+
+ /**
+ * Returns a string with the URL to an engine's icon matching both width and
+ * height. Returns null if icon with specified dimensions is not found.
+ *
+ * @param width
+ * Width of the requested icon.
+ * @param height
+ * Height of the requested icon.
+ */
+ getIconURLBySize: function SRCH_ENG_getIconURLBySize(aWidth, aHeight) {
+ if (aWidth == 16 && aHeight == 16)
+ return this._iconURL;
+
+ if (!this._iconMapObj)
+ return null;
+
+ let key = this._getIconKey(aWidth, aHeight);
+ if (key in this._iconMapObj) {
+ return this._iconMapObj[key];
+ }
+ return null;
+ },
+
+ /**
+ * Gets an array of all available icons. Each entry is an object with
+ * width, height and url properties. width and height are numeric and
+ * represent the icon's dimensions. url is a string with the URL for
+ * the icon.
+ */
+ getIcons: function SRCH_ENG_getIcons() {
+ let result = [];
+ if (this._iconURL)
+ result.push({width: 16, height: 16, url: this._iconURL});
+
+ if (!this._iconMapObj)
+ return result;
+
+ for (let key of Object.keys(this._iconMapObj)) {
+ let iconSize = JSON.parse(key);
+ result.push({
+ width: iconSize.width,
+ height: iconSize.height,
+ url: this._iconMapObj[key]
+ });
+ }
+
+ return result;
+ },
+
+ /**
+ * Opens a speculative connection to the engine's search URI
+ * (and suggest URI, if different) to reduce request latency
+ *
+ * @param options
+ * An object that must contain the following fields:
+ * {window} the content window for the window performing the search
+ *
+ * @throws NS_ERROR_INVALID_ARG if options is omitted or lacks required
+ * elemeents
+ */
+ speculativeConnect: function SRCH_ENG_speculativeConnect(options) {
+ if (!options || !options.window) {
+ Cu.reportError("invalid options arg passed to nsISearchEngine.speculativeConnect");
+ throw Cr.NS_ERROR_INVALID_ARG;
+ }
+ let connector =
+ Services.io.QueryInterface(Components.interfaces.nsISpeculativeConnect);
+
+ let searchURI = this.getSubmission("dummy").uri;
+
+ let callbacks = options.window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
+ .getInterface(Components.interfaces.nsIWebNavigation)
+ .QueryInterface(Components.interfaces.nsILoadContext);
+
+ connector.speculativeConnect(searchURI, callbacks);
+
+ if (this.supportsResponseType(URLTYPE_SUGGEST_JSON)) {
+ let suggestURI = this.getSubmission("dummy", URLTYPE_SUGGEST_JSON).uri;
+ if (suggestURI.prePath != searchURI.prePath)
+ connector.speculativeConnect(suggestURI, callbacks);
+ }
+ },
+};
+
+// nsISearchSubmission
+function Submission(aURI, aPostData = null) {
+ this._uri = aURI;
+ this._postData = aPostData;
+}
+Submission.prototype = {
+ get uri() {
+ return this._uri;
+ },
+ get postData() {
+ return this._postData;
+ },
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsISearchSubmission])
+}
+
+// nsISearchParseSubmissionResult
+function ParseSubmissionResult(aEngine, aTerms, aTermsOffset, aTermsLength) {
+ this._engine = aEngine;
+ this._terms = aTerms;
+ this._termsOffset = aTermsOffset;
+ this._termsLength = aTermsLength;
+}
+ParseSubmissionResult.prototype = {
+ get engine() {
+ return this._engine;
+ },
+ get terms() {
+ return this._terms;
+ },
+ get termsOffset() {
+ return this._termsOffset;
+ },
+ get termsLength() {
+ return this._termsLength;
+ },
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsISearchParseSubmissionResult]),
+}
+
+const gEmptyParseSubmissionResult =
+ Object.freeze(new ParseSubmissionResult(null, "", -1, 0));
+
+function executeSoon(func) {
+ Services.tm.mainThread.dispatch(func, Ci.nsIThread.DISPATCH_NORMAL);
+}
+
+/**
+ * Check for sync initialization has completed or not.
+ *
+ * @param {aPromise} A promise.
+ *
+ * @returns the value returned by the invoked method.
+ * @throws NS_ERROR_ALREADY_INITIALIZED if sync initialization has completed.
+ */
+function checkForSyncCompletion(aPromise) {
+ return aPromise.then(function(aValue) {
+ if (gInitialized) {
+ throw Components.Exception("Synchronous fallback was called and has " +
+ "finished so no need to pursue asynchronous " +
+ "initialization",
+ Cr.NS_ERROR_ALREADY_INITIALIZED);
+ }
+ return aValue;
+ });
+}
+
+// nsIBrowserSearchService
+function SearchService() {
+ // Replace empty LOG function with the useful one if the log pref is set.
+ if (getBoolPref(BROWSER_SEARCH_PREF + "log", false))
+ LOG = DO_LOG;
+
+ this._initObservers = Promise.defer();
+}
+
+SearchService.prototype = {
+ classID: Components.ID("{7319788a-fe93-4db3-9f39-818cf08f4256}"),
+
+ // The current status of initialization. Note that it does not determine if
+ // initialization is complete, only if an error has been encountered so far.
+ _initRV: Cr.NS_OK,
+
+ // The boolean indicates that the initialization has started or not.
+ _initStarted: null,
+
+ // Reading the JSON cache file is the first thing done during initialization.
+ // During the async init, we save it in a field so that if we have to do a
+ // sync init before the async init finishes, we can avoid reading the cache
+ // with sync disk I/O and handling lz4 decompression synchronously.
+ // This is set back to null as soon as the initialization is finished.
+ _cacheFileJSON: null,
+
+ // If initialization has not been completed yet, perform synchronous
+ // initialization.
+ // Throws in case of initialization error.
+ _ensureInitialized: function SRCH_SVC__ensureInitialized() {
+ if (gInitialized) {
+ if (!Components.isSuccessCode(this._initRV)) {
+ LOG("_ensureInitialized: failure");
+ throw this._initRV;
+ }
+ return;
+ }
+
+ let warning =
+ "Search service falling back to synchronous initialization. " +
+ "This is generally the consequence of an add-on using a deprecated " +
+ "search service API.";
+ Deprecated.warning(warning, "https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsIBrowserSearchService#async_warning");
+ LOG(warning);
+
+ this._syncInit();
+ if (!Components.isSuccessCode(this._initRV)) {
+ throw this._initRV;
+ }
+ },
+
+ // Synchronous implementation of the initializer.
+ // Used by |_ensureInitialized| as a fallback if initialization is not
+ // complete.
+ _syncInit: function SRCH_SVC__syncInit() {
+ LOG("_syncInit start");
+ this._initStarted = true;
+ migrateRegionPrefs();
+
+ let cache = this._readCacheFile();
+ if (cache.metaData)
+ this._metaData = cache.metaData;
+
+ try {
+ this._syncLoadEngines(cache);
+ } catch (ex) {
+ this._initRV = Cr.NS_ERROR_FAILURE;
+ LOG("_syncInit: failure loading engines: " + ex);
+ }
+ this._addObservers();
+
+ gInitialized = true;
+ this._cacheFileJSON = null;
+
+ this._initObservers.resolve(this._initRV);
+
+ Services.obs.notifyObservers(null, SEARCH_SERVICE_TOPIC, "init-complete");
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_INIT_SYNC").add(true);
+ this._recordEngineTelemetry();
+
+ LOG("_syncInit end");
+ },
+
+ /**
+ * Asynchronous implementation of the initializer.
+ *
+ * @returns {Promise} A promise, resolved successfully if the initialization
+ * succeeds.
+ */
+ _asyncInit: Task.async(function* () {
+ LOG("_asyncInit start");
+
+ migrateRegionPrefs();
+
+ // See if we have a cache file so we don't have to parse a bunch of XML.
+ let cache = {};
+ // Not using checkForSyncCompletion here because we want to ensure we
+ // fetch the country code and geo specific defaults asynchronously even
+ // if a sync init has been forced.
+ cache = yield this._asyncReadCacheFile();
+
+ if (!gInitialized && cache.metaData)
+ this._metaData = cache.metaData;
+
+ try {
+ yield checkForSyncCompletion(ensureKnownCountryCode(this));
+ } catch (ex) {
+ if (ex.result == Cr.NS_ERROR_ALREADY_INITIALIZED) {
+ throw ex;
+ }
+ LOG("_asyncInit: failure determining country code: " + ex);
+ }
+ try {
+ yield checkForSyncCompletion(this._asyncLoadEngines(cache));
+ } catch (ex) {
+ if (ex.result == Cr.NS_ERROR_ALREADY_INITIALIZED) {
+ throw ex;
+ }
+ this._initRV = Cr.NS_ERROR_FAILURE;
+ LOG("_asyncInit: failure loading engines: " + ex);
+ }
+ this._addObservers();
+ gInitialized = true;
+ this._cacheFileJSON = null;
+ this._initObservers.resolve(this._initRV);
+ Services.obs.notifyObservers(null, SEARCH_SERVICE_TOPIC, "init-complete");
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_INIT_SYNC").add(false);
+ this._recordEngineTelemetry();
+
+ LOG("_asyncInit: Completed _asyncInit");
+ }),
+
+ _metaData: { },
+ setGlobalAttr(name, val) {
+ this._metaData[name] = val;
+ this.batchTask.disarm();
+ this.batchTask.arm();
+ },
+ setVerifiedGlobalAttr(name, val) {
+ this.setGlobalAttr(name, val);
+ this.setGlobalAttr(name + "Hash", getVerificationHash(val));
+ },
+
+ getGlobalAttr(name) {
+ return this._metaData[name] || undefined;
+ },
+ getVerifiedGlobalAttr(name) {
+ let val = this.getGlobalAttr(name);
+ if (val && this.getGlobalAttr(name + "Hash") != getVerificationHash(val)) {
+ LOG("getVerifiedGlobalAttr, invalid hash for " + name);
+ return "";
+ }
+ return val;
+ },
+
+ _engines: { },
+ __sortedEngines: null,
+ _visibleDefaultEngines: [],
+ get _sortedEngines() {
+ if (!this.__sortedEngines)
+ return this._buildSortedEngineList();
+ return this.__sortedEngines;
+ },
+
+ // Get the original Engine object that is the default for this region,
+ // ignoring changes the user may have subsequently made.
+ get originalDefaultEngine() {
+ let defaultEngine = this.getVerifiedGlobalAttr("searchDefault");
+ if (!defaultEngine) {
+ let defaultPrefB = Services.prefs.getDefaultBranch(BROWSER_SEARCH_PREF);
+ let nsIPLS = Ci.nsIPrefLocalizedString;
+
+ let defPref = getGeoSpecificPrefName("defaultenginename");
+ try {
+ defaultEngine = defaultPrefB.getComplexValue(defPref, nsIPLS).data;
+ } catch (ex) {
+ // If the default pref is invalid (e.g. an add-on set it to a bogus value)
+ // getEngineByName will just return null, which is the best we can do.
+ }
+ }
+
+ return this.getEngineByName(defaultEngine);
+ },
+
+ resetToOriginalDefaultEngine: function SRCH_SVC__resetToOriginalDefaultEngine() {
+ this.currentEngine = this.originalDefaultEngine;
+ },
+
+ _buildCache: function SRCH_SVC__buildCache() {
+ if (this._batchTask)
+ this._batchTask.disarm();
+
+ let cache = {};
+ let locale = getLocale();
+ let buildID = Services.appinfo.platformBuildID;
+
+ // Allows us to force a cache refresh should the cache format change.
+ cache.version = CACHE_VERSION;
+ // We don't want to incur the costs of stat()ing each plugin on every
+ // startup when the only (supported) time they will change is during
+ // app updates (where the buildID is obviously going to change).
+ // Extension-shipped plugins are the only exception to this, but their
+ // directories are blown away during updates, so we'll detect their changes.
+ cache.buildID = buildID;
+ cache.locale = locale;
+
+ cache.visibleDefaultEngines = this._visibleDefaultEngines;
+ cache.metaData = this._metaData;
+ cache.engines = [];
+
+ for (let name in this._engines) {
+ cache.engines.push(this._engines[name]);
+ }
+
+ try {
+ if (!cache.engines.length)
+ throw "cannot write without any engine.";
+
+ LOG("_buildCache: Writing to cache file.");
+ let path = OS.Path.join(OS.Constants.Path.profileDir, CACHE_FILENAME);
+ let data = gEncoder.encode(JSON.stringify(cache));
+ let promise = OS.File.writeAtomic(path, data, {compression: "lz4",
+ tmpPath: path + ".tmp"});
+
+ promise.then(
+ function onSuccess() {
+ Services.obs.notifyObservers(null, SEARCH_SERVICE_TOPIC, SEARCH_SERVICE_CACHE_WRITTEN);
+ },
+ function onError(e) {
+ LOG("_buildCache: failure during writeAtomic: " + e);
+ }
+ );
+ } catch (ex) {
+ LOG("_buildCache: Could not write to cache file: " + ex);
+ }
+ },
+
+ _syncLoadEngines: function SRCH_SVC__syncLoadEngines(cache) {
+ LOG("_syncLoadEngines: start");
+ // See if we have a cache file so we don't have to parse a bunch of XML.
+ let chromeURIs = this._findJAREngines();
+
+ let distDirs = [];
+ let locations;
+ try {
+ locations = getDir(NS_APP_DISTRIBUTION_SEARCH_DIR_LIST,
+ Ci.nsISimpleEnumerator);
+ } catch (e) {
+ // NS_APP_DISTRIBUTION_SEARCH_DIR_LIST is defined by each app
+ // so this throws during unit tests (but not xpcshell tests).
+ locations = {hasMoreElements: () => false};
+ }
+ while (locations.hasMoreElements()) {
+ let dir = locations.getNext().QueryInterface(Ci.nsIFile);
+ if (dir.directoryEntries.hasMoreElements())
+ distDirs.push(dir);
+ }
+
+ let otherDirs = [];
+ let userSearchDir = getDir(NS_APP_USER_SEARCH_DIR);
+ locations = getDir(NS_APP_SEARCH_DIR_LIST, Ci.nsISimpleEnumerator);
+ while (locations.hasMoreElements()) {
+ let dir = locations.getNext().QueryInterface(Ci.nsIFile);
+ if ((!cache.engines || !dir.equals(userSearchDir)) &&
+ dir.directoryEntries.hasMoreElements())
+ otherDirs.push(dir);
+ }
+
+ function modifiedDir(aDir) {
+ return cacheOtherPaths.get(aDir.path) != aDir.lastModifiedTime;
+ }
+
+ function notInCacheVisibleEngines(aEngineName) {
+ return cache.visibleDefaultEngines.indexOf(aEngineName) == -1;
+ }
+
+ let buildID = Services.appinfo.platformBuildID;
+ let cacheOtherPaths = new Map();
+ if (cache.engines) {
+ for (let engine of cache.engines) {
+ if (engine._dirPath) {
+ cacheOtherPaths.set(engine._dirPath, engine._dirLastModifiedTime);
+ }
+ }
+ }
+
+ let rebuildCache = !cache.engines ||
+ cache.version != CACHE_VERSION ||
+ cache.locale != getLocale() ||
+ cache.buildID != buildID ||
+ cacheOtherPaths.size != otherDirs.length ||
+ otherDirs.some(d => !cacheOtherPaths.has(d.path)) ||
+ cache.visibleDefaultEngines.length != this._visibleDefaultEngines.length ||
+ this._visibleDefaultEngines.some(notInCacheVisibleEngines) ||
+ otherDirs.some(modifiedDir);
+
+ if (rebuildCache) {
+ LOG("_loadEngines: Absent or outdated cache. Loading engines from disk.");
+ distDirs.forEach(this._loadEnginesFromDir, this);
+
+ this._loadFromChromeURLs(chromeURIs);
+
+ LOG("_loadEngines: load user-installed engines from the obsolete cache");
+ this._loadEnginesFromCache(cache, true);
+
+ otherDirs.forEach(this._loadEnginesFromDir, this);
+
+ this._loadEnginesMetadataFromCache(cache);
+ this._buildCache();
+ return;
+ }
+
+ LOG("_loadEngines: loading from cache directories");
+ this._loadEnginesFromCache(cache);
+
+ LOG("_loadEngines: done");
+ },
+
+ /**
+ * Loads engines asynchronously.
+ *
+ * @returns {Promise} A promise, resolved successfully if loading data
+ * succeeds.
+ */
+ _asyncLoadEngines: Task.async(function* (cache) {
+ LOG("_asyncLoadEngines: start");
+ Services.obs.notifyObservers(null, SEARCH_SERVICE_TOPIC, "find-jar-engines");
+ let chromeURIs =
+ yield checkForSyncCompletion(this._asyncFindJAREngines());
+
+ // Get the non-empty distribution directories into distDirs...
+ let distDirs = [];
+ let locations;
+ try {
+ locations = getDir(NS_APP_DISTRIBUTION_SEARCH_DIR_LIST,
+ Ci.nsISimpleEnumerator);
+ } catch (e) {
+ // NS_APP_DISTRIBUTION_SEARCH_DIR_LIST is defined by each app
+ // so this throws during unit tests (but not xpcshell tests).
+ locations = {hasMoreElements: () => false};
+ }
+ while (locations.hasMoreElements()) {
+ let dir = locations.getNext().QueryInterface(Ci.nsIFile);
+ let iterator = new OS.File.DirectoryIterator(dir.path,
+ { winPattern: "*.xml" });
+ try {
+ // Add dir to distDirs if it contains any files.
+ yield checkForSyncCompletion(iterator.next());
+ distDirs.push(dir);
+ } catch (ex) {
+ // Catch for StopIteration exception.
+ if (ex.result == Cr.NS_ERROR_ALREADY_INITIALIZED) {
+ throw ex;
+ }
+ } finally {
+ iterator.close();
+ }
+ }
+
+ // Add the non-empty directories of NS_APP_SEARCH_DIR_LIST to
+ // otherDirs...
+ let otherDirs = [];
+ let userSearchDir = getDir(NS_APP_USER_SEARCH_DIR);
+ locations = getDir(NS_APP_SEARCH_DIR_LIST, Ci.nsISimpleEnumerator);
+ while (locations.hasMoreElements()) {
+ let dir = locations.getNext().QueryInterface(Ci.nsIFile);
+ if (cache.engines && dir.equals(userSearchDir))
+ continue;
+ let iterator = new OS.File.DirectoryIterator(dir.path,
+ { winPattern: "*.xml" });
+ try {
+ // Add dir to otherDirs if it contains any files.
+ yield checkForSyncCompletion(iterator.next());
+ otherDirs.push(dir);
+ } catch (ex) {
+ // Catch for StopIteration exception.
+ if (ex.result == Cr.NS_ERROR_ALREADY_INITIALIZED) {
+ throw ex;
+ }
+ } finally {
+ iterator.close();
+ }
+ }
+
+ let hasModifiedDir = Task.async(function* (aList) {
+ let modifiedDir = false;
+
+ for (let dir of aList) {
+ let lastModifiedTime = cacheOtherPaths.get(dir.path);
+ if (!lastModifiedTime) {
+ continue;
+ }
+
+ let info = yield OS.File.stat(dir.path);
+ if (lastModifiedTime != info.lastModificationDate.getTime()) {
+ modifiedDir = true;
+ break;
+ }
+ }
+ return modifiedDir;
+ });
+
+ function notInCacheVisibleEngines(aEngineName) {
+ return cache.visibleDefaultEngines.indexOf(aEngineName) == -1;
+ }
+
+ let buildID = Services.appinfo.platformBuildID;
+ let cacheOtherPaths = new Map();
+ if (cache.engines) {
+ for (let engine of cache.engines) {
+ if (engine._dirPath) {
+ cacheOtherPaths.set(engine._dirPath, engine._dirLastModifiedTime);
+ }
+ }
+ }
+
+ let rebuildCache = !cache.engines ||
+ cache.version != CACHE_VERSION ||
+ cache.locale != getLocale() ||
+ cache.buildID != buildID ||
+ cacheOtherPaths.size != otherDirs.length ||
+ otherDirs.some(d => !cacheOtherPaths.has(d.path)) ||
+ cache.visibleDefaultEngines.length != this._visibleDefaultEngines.length ||
+ this._visibleDefaultEngines.some(notInCacheVisibleEngines) ||
+ (yield checkForSyncCompletion(hasModifiedDir(otherDirs)));
+
+ if (rebuildCache) {
+ LOG("_asyncLoadEngines: Absent or outdated cache. Loading engines from disk.");
+ for (let loadDir of distDirs) {
+ let enginesFromDir =
+ yield checkForSyncCompletion(this._asyncLoadEnginesFromDir(loadDir));
+ enginesFromDir.forEach(this._addEngineToStore, this);
+ }
+ let enginesFromURLs =
+ yield checkForSyncCompletion(this._asyncLoadFromChromeURLs(chromeURIs));
+ enginesFromURLs.forEach(this._addEngineToStore, this);
+
+ LOG("_asyncLoadEngines: loading user-installed engines from the obsolete cache");
+ this._loadEnginesFromCache(cache, true);
+
+ for (let loadDir of otherDirs) {
+ let enginesFromDir =
+ yield checkForSyncCompletion(this._asyncLoadEnginesFromDir(loadDir));
+ enginesFromDir.forEach(this._addEngineToStore, this);
+ }
+
+ this._loadEnginesMetadataFromCache(cache);
+ this._buildCache();
+ return;
+ }
+
+ LOG("_asyncLoadEngines: loading from cache directories");
+ this._loadEnginesFromCache(cache);
+
+ LOG("_asyncLoadEngines: done");
+ }),
+
+ _asyncReInit: function () {
+ LOG("_asyncReInit");
+ // Start by clearing the initialized state, so we don't abort early.
+ gInitialized = false;
+
+ Task.spawn(function* () {
+ try {
+ if (this._batchTask) {
+ LOG("finalizing batch task");
+ let task = this._batchTask;
+ this._batchTask = null;
+ yield task.finalize();
+ }
+
+ // Clear the engines, too, so we don't stick with the stale ones.
+ this._engines = {};
+ this.__sortedEngines = null;
+ this._currentEngine = null;
+ this._visibleDefaultEngines = [];
+ this._metaData = {};
+ this._cacheFileJSON = null;
+
+ // Tests that want to force a synchronous re-initialization need to
+ // be notified when we are done uninitializing.
+ Services.obs.notifyObservers(null, SEARCH_SERVICE_TOPIC,
+ "uninit-complete");
+
+ let cache = {};
+ cache = yield this._asyncReadCacheFile();
+ if (!gInitialized && cache.metaData)
+ this._metaData = cache.metaData;
+
+ yield ensureKnownCountryCode(this);
+ // Due to the HTTP requests done by ensureKnownCountryCode, it's possible that
+ // at this point a synchronous init has been forced by other code.
+ if (!gInitialized)
+ yield this._asyncLoadEngines(cache);
+
+ // Typically we'll re-init as a result of a pref observer,
+ // so signal to 'callers' that we're done.
+ Services.obs.notifyObservers(null, SEARCH_SERVICE_TOPIC, "init-complete");
+ this._recordEngineTelemetry();
+ gInitialized = true;
+ } catch (err) {
+ LOG("Reinit failed: " + err);
+ Services.obs.notifyObservers(null, SEARCH_SERVICE_TOPIC, "reinit-failed");
+ } finally {
+ Services.obs.notifyObservers(null, SEARCH_SERVICE_TOPIC, "reinit-complete");
+ }
+ }.bind(this));
+ },
+
+ /**
+ * Read the cache file synchronously. This also imports data from the old
+ * search-metadata.json file if needed.
+ *
+ * @returns A JS object containing the cached data.
+ */
+ _readCacheFile: function SRCH_SVC__readCacheFile() {
+ if (this._cacheFileJSON) {
+ return this._cacheFileJSON;
+ }
+
+ let cacheFile = getDir(NS_APP_USER_PROFILE_50_DIR);
+ cacheFile.append(CACHE_FILENAME);
+
+ let stream;
+ try {
+ stream = Cc["@mozilla.org/network/file-input-stream;1"].
+ createInstance(Ci.nsIFileInputStream);
+ stream.init(cacheFile, MODE_RDONLY, FileUtils.PERMS_FILE, 0);
+
+ let bis = Cc["@mozilla.org/binaryinputstream;1"]
+ .createInstance(Ci.nsIBinaryInputStream);
+ bis.setInputStream(stream);
+
+ let count = stream.available();
+ let array = new Uint8Array(count);
+ bis.readArrayBuffer(count, array.buffer);
+
+ let bytes = Lz4.decompressFileContent(array);
+ let json = JSON.parse(new TextDecoder().decode(bytes));
+ if (!json.engines || !json.engines.length)
+ throw "no engine in the file";
+ return json;
+ } catch (ex) {
+ LOG("_readCacheFile: Error reading cache file: " + ex);
+ } finally {
+ stream.close();
+ }
+
+ try {
+ cacheFile.leafName = "search-metadata.json";
+ stream = Cc["@mozilla.org/network/file-input-stream;1"].
+ createInstance(Ci.nsIFileInputStream);
+ stream.init(cacheFile, MODE_RDONLY, FileUtils.PERMS_FILE, 0);
+ let metadata = parseJsonFromStream(stream);
+ let json = {};
+ if ("[global]" in metadata) {
+ LOG("_readCacheFile: migrating metadata from search-metadata.json");
+ let data = metadata["[global]"];
+ json.metaData = {};
+ let fields = ["searchDefault", "searchDefaultHash", "searchDefaultExpir",
+ "current", "hash",
+ "visibleDefaultEngines", "visibleDefaultEnginesHash"];
+ for (let field of fields) {
+ let name = field.toLowerCase();
+ if (name in data)
+ json.metaData[field] = data[name];
+ }
+ }
+ delete metadata["[global]"];
+ json._oldMetadata = metadata;
+
+ return json;
+ } catch (ex) {
+ LOG("_readCacheFile: failed to read old metadata: " + ex);
+ return {};
+ } finally {
+ stream.close();
+ }
+ },
+
+ /**
+ * Read the cache file asynchronously. This also imports data from the old
+ * search-metadata.json file if needed.
+ *
+ * @returns {Promise} A promise, resolved successfully if retrieveing data
+ * succeeds.
+ */
+ _asyncReadCacheFile: Task.async(function* () {
+ let json;
+ try {
+ let cacheFilePath = OS.Path.join(OS.Constants.Path.profileDir, CACHE_FILENAME);
+ let bytes = yield OS.File.read(cacheFilePath, {compression: "lz4"});
+ json = JSON.parse(new TextDecoder().decode(bytes));
+ if (!json.engines || !json.engines.length)
+ throw "no engine in the file";
+ this._cacheFileJSON = json;
+ } catch (ex) {
+ LOG("_asyncReadCacheFile: Error reading cache file: " + ex);
+ json = {};
+
+ let oldMetadata =
+ OS.Path.join(OS.Constants.Path.profileDir, "search-metadata.json");
+ try {
+ let bytes = yield OS.File.read(oldMetadata);
+ let metadata = JSON.parse(new TextDecoder().decode(bytes));
+ if ("[global]" in metadata) {
+ LOG("_asyncReadCacheFile: migrating metadata from search-metadata.json");
+ let data = metadata["[global]"];
+ json.metaData = {};
+ let fields = ["searchDefault", "searchDefaultHash", "searchDefaultExpir",
+ "current", "hash",
+ "visibleDefaultEngines", "visibleDefaultEnginesHash"];
+ for (let field of fields) {
+ let name = field.toLowerCase();
+ if (name in data)
+ json.metaData[field] = data[name];
+ }
+ }
+ delete metadata["[global]"];
+ json._oldMetadata = metadata;
+ } catch (ex) {}
+ }
+ return json;
+ }),
+
+ _batchTask: null,
+ get batchTask() {
+ if (!this._batchTask) {
+ let task = function taskCallback() {
+ LOG("batchTask: Invalidating engine cache");
+ this._buildCache();
+ }.bind(this);
+ this._batchTask = new DeferredTask(task, CACHE_INVALIDATION_DELAY);
+ }
+ return this._batchTask;
+ },
+
+ _addEngineToStore: function SRCH_SVC_addEngineToStore(aEngine) {
+ LOG("_addEngineToStore: Adding engine: \"" + aEngine.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 = (aEngine._engineToUpdate &&
+ aEngine.name == aEngine._engineToUpdate.name);
+ if (aEngine.name in this._engines && !hasSameNameAsUpdate) {
+ LOG("_addEngineToStore: Duplicate engine found, aborting!");
+ return;
+ }
+
+ if (aEngine._engineToUpdate) {
+ // We need to replace engineToUpdate with the engine that just loaded.
+ var oldEngine = aEngine._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).
+ delete this._engines[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 aEngine) {
+ if (!(aEngine.__lookupGetter__(p) || aEngine.__lookupSetter__(p)))
+ oldEngine[p] = aEngine[p];
+ }
+ aEngine = oldEngine;
+ aEngine._engineToUpdate = null;
+
+ // Add the engine back
+ this._engines[aEngine.name] = aEngine;
+ notifyAction(aEngine, SEARCH_ENGINE_CHANGED);
+ } else {
+ // Not an update, just add the new engine.
+ this._engines[aEngine.name] = aEngine;
+ // Only add the engine to the list of sorted engines if the initial list
+ // has already been built (i.e. if this.__sortedEngines 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.__sortedEngines) {
+ this.__sortedEngines.push(aEngine);
+ this._saveSortedEngineList();
+ }
+ notifyAction(aEngine, SEARCH_ENGINE_ADDED);
+ }
+
+ if (aEngine._hasUpdates) {
+ // Schedule the engine's next update, if it isn't already.
+ if (!aEngine.getAttr("updateexpir"))
+ engineUpdateService.scheduleNextUpdate(aEngine);
+ }
+ },
+
+ _loadEnginesMetadataFromCache: function SRCH_SVC__loadEnginesMetadataFromCache(cache) {
+ if (cache._oldMetadata) {
+ // If we have old metadata in the cache, we had no valid cache
+ // file and read data from search-metadata.json.
+ for (let name in this._engines) {
+ let engine = this._engines[name];
+ if (engine._id && cache._oldMetadata[engine._id])
+ engine._metaData = cache._oldMetadata[engine._id];
+ }
+ return;
+ }
+
+ if (!cache.engines)
+ return;
+
+ for (let engine of cache.engines) {
+ let name = engine._name;
+ if (name in this._engines) {
+ LOG("_loadEnginesMetadataFromCache, transfering metadata for " + name);
+ this._engines[name]._metaData = engine._metaData;
+ }
+ }
+ },
+
+ _loadEnginesFromCache: function SRCH_SVC__loadEnginesFromCache(cache,
+ skipReadOnly) {
+ if (!cache.engines)
+ return;
+
+ LOG("_loadEnginesFromCache: Loading " +
+ cache.engines.length + " engines from cache");
+
+ let skippedEngines = 0;
+ for (let engine of cache.engines) {
+ if (skipReadOnly && engine._readOnly == undefined) {
+ ++skippedEngines;
+ continue;
+ }
+
+ this._loadEngineFromCache(engine);
+ }
+
+ if (skippedEngines) {
+ LOG("_loadEnginesFromCache: skipped " + skippedEngines + " read-only engines.");
+ }
+ },
+
+ _loadEngineFromCache: function SRCH_SVC__loadEngineFromCache(json) {
+ try {
+ let engine = new Engine(json._shortName, json._readOnly == undefined);
+ engine._initWithJSON(json);
+ this._addEngineToStore(engine);
+ } catch (ex) {
+ LOG("Failed to load " + json._name + " from cache: " + ex);
+ LOG("Engine JSON: " + json.toSource());
+ }
+ },
+
+ _loadEnginesFromDir: function SRCH_SVC__loadEnginesFromDir(aDir) {
+ LOG("_loadEnginesFromDir: Searching in " + aDir.path + " for search engines.");
+
+ // Check whether aDir is the user profile dir
+ var isInProfile = aDir.equals(getDir(NS_APP_USER_SEARCH_DIR));
+
+ var files = aDir.directoryEntries
+ .QueryInterface(Ci.nsIDirectoryEnumerator);
+
+ while (files.hasMoreElements()) {
+ var file = files.nextFile;
+
+ // Ignore hidden and empty files, and directories
+ if (!file.isFile() || file.fileSize == 0 || file.isHidden())
+ continue;
+
+ var fileURL = NetUtil.ioService.newFileURI(file).QueryInterface(Ci.nsIURL);
+ var fileExtension = fileURL.fileExtension.toLowerCase();
+
+ if (fileExtension != "xml") {
+ // Not an engine
+ continue;
+ }
+
+ var addedEngine = null;
+ try {
+ addedEngine = new Engine(file, !isInProfile);
+ addedEngine._initFromFile(file);
+ if (!isInProfile && !addedEngine._isDefault) {
+ addedEngine._dirPath = aDir.path;
+ addedEngine._dirLastModifiedTime = aDir.lastModifiedTime;
+ }
+ } catch (ex) {
+ LOG("_loadEnginesFromDir: Failed to load " + file.path + "!\n" + ex);
+ continue;
+ }
+
+ this._addEngineToStore(addedEngine);
+ }
+ },
+
+ /**
+ * Loads engines from a given directory asynchronously.
+ *
+ * @param aDir the directory.
+ *
+ * @returns {Promise} A promise, resolved successfully if retrieveing data
+ * succeeds.
+ */
+ _asyncLoadEnginesFromDir: Task.async(function* (aDir) {
+ LOG("_asyncLoadEnginesFromDir: Searching in " + aDir.path + " for search engines.");
+
+ // Check whether aDir is the user profile dir
+ let isInProfile = aDir.equals(getDir(NS_APP_USER_SEARCH_DIR));
+ let dirPath = aDir.path;
+ let iterator = new OS.File.DirectoryIterator(dirPath);
+
+ let osfiles = yield iterator.nextBatch();
+ iterator.close();
+
+ let engines = [];
+ for (let osfile of osfiles) {
+ if (osfile.isDir || osfile.isSymLink)
+ continue;
+
+ let fileInfo = yield OS.File.stat(osfile.path);
+ if (fileInfo.size == 0)
+ continue;
+
+ let parts = osfile.path.split(".");
+ if (parts.length <= 1 || (parts.pop()).toLowerCase() != "xml") {
+ // Not an engine
+ continue;
+ }
+
+ let addedEngine = null;
+ try {
+ let file = new FileUtils.File(osfile.path);
+ addedEngine = new Engine(file, !isInProfile);
+ yield checkForSyncCompletion(addedEngine._asyncInitFromFile(file));
+ if (!isInProfile && !addedEngine._isDefault) {
+ addedEngine._dirPath = dirPath;
+ let info = yield OS.File.stat(dirPath);
+ addedEngine._dirLastModifiedTime =
+ info.lastModificationDate.getTime();
+ }
+ engines.push(addedEngine);
+ } catch (ex) {
+ if (ex.result == Cr.NS_ERROR_ALREADY_INITIALIZED) {
+ throw ex;
+ }
+ LOG("_asyncLoadEnginesFromDir: Failed to load " + osfile.path + "!\n" + ex);
+ }
+ }
+ return engines;
+ }),
+
+ _loadFromChromeURLs: function SRCH_SVC_loadFromChromeURLs(aURLs) {
+ aURLs.forEach(function (url) {
+ try {
+ LOG("_loadFromChromeURLs: loading engine from chrome url: " + url);
+
+ let uri = makeURI(url);
+ let engine = new Engine(uri, true);
+
+ engine._initFromURISync(uri);
+
+ this._addEngineToStore(engine);
+ } catch (ex) {
+ LOG("_loadFromChromeURLs: failed to load engine: " + ex);
+ }
+ }, this);
+ },
+
+ /**
+ * Loads engines from Chrome URLs asynchronously.
+ *
+ * @param aURLs a list of URLs.
+ *
+ * @returns {Promise} A promise, resolved successfully if loading data
+ * succeeds.
+ */
+ _asyncLoadFromChromeURLs: Task.async(function* (aURLs) {
+ let engines = [];
+ for (let url of aURLs) {
+ try {
+ LOG("_asyncLoadFromChromeURLs: loading engine from chrome url: " + url);
+ let uri = NetUtil.newURI(url);
+ let engine = new Engine(uri, true);
+ yield checkForSyncCompletion(engine._asyncInitFromURI(uri));
+ engines.push(engine);
+ } catch (ex) {
+ if (ex.result == Cr.NS_ERROR_ALREADY_INITIALIZED) {
+ throw ex;
+ }
+ LOG("_asyncLoadFromChromeURLs: failed to load engine: " + ex);
+ }
+ }
+ return engines;
+ }),
+
+ _convertChannelToFile: function(chan) {
+ let fileURI = chan.URI;
+ while (fileURI instanceof Ci.nsIJARURI)
+ fileURI = fileURI.JARFile;
+ fileURI.QueryInterface(Ci.nsIFileURL);
+
+ return fileURI.file;
+ },
+
+ _findJAREngines: function SRCH_SVC_findJAREngines() {
+ LOG("_findJAREngines: looking for engines in JARs")
+
+ let chan = makeChannel(APP_SEARCH_PREFIX + "list.json");
+ if (!chan) {
+ LOG("_findJAREngines: " + APP_SEARCH_PREFIX + " isn't registered");
+ return [];
+ }
+
+ let uris = [];
+
+ let sis = Cc["@mozilla.org/scriptableinputstream;1"].
+ createInstance(Ci.nsIScriptableInputStream);
+ try {
+ sis.init(chan.open2());
+ this._parseListJSON(sis.read(sis.available()), uris);
+ // parseListJSON will catch its own errors, so we
+ // should only go into this catch if list.json
+ // doesn't exist
+ } catch (e) {
+ chan = makeChannel(APP_SEARCH_PREFIX + "list.txt");
+ sis.init(chan.open2());
+ this._parseListTxt(sis.read(sis.available()), uris);
+ }
+ return uris;
+ },
+
+ /**
+ * Loads jar engines asynchronously.
+ *
+ * @returns {Promise} A promise, resolved successfully if finding jar engines
+ * succeeds.
+ */
+ _asyncFindJAREngines: Task.async(function* () {
+ LOG("_asyncFindJAREngines: looking for engines in JARs")
+
+ let listURL = APP_SEARCH_PREFIX + "list.json";
+ let chan = makeChannel(listURL);
+ if (!chan) {
+ LOG("_asyncFindJAREngines: " + APP_SEARCH_PREFIX + " isn't registered");
+ return [];
+ }
+
+ let uris = [];
+
+ // Read list.json to find the engines we need to load.
+ let deferred = Promise.defer();
+ let request = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].
+ createInstance(Ci.nsIXMLHttpRequest);
+ request.overrideMimeType("text/plain");
+ request.onload = function(aEvent) {
+ deferred.resolve(aEvent.target.responseText);
+ };
+ request.onerror = function(aEvent) {
+ LOG("_asyncFindJAREngines: failed to read " + listURL);
+ // Couldn't find list.json, try list.txt
+ request.onerror = function(aEvent) {
+ LOG("_asyncFindJAREngines: failed to read " + APP_SEARCH_PREFIX + "list.txt");
+ deferred.resolve("");
+ }
+ request.open("GET", NetUtil.newURI(APP_SEARCH_PREFIX + "list.txt").spec, true);
+ request.send();
+ };
+ request.open("GET", NetUtil.newURI(listURL).spec, true);
+ request.send();
+ let list = yield deferred.promise;
+
+ if (request.responseURL.endsWith(".txt")) {
+ this._parseListTxt(list, uris);
+ } else {
+ this._parseListJSON(list, uris);
+ }
+ return uris;
+ }),
+
+ _parseListJSON: function SRCH_SVC_parseListJSON(list, uris) {
+ let searchSettings;
+ try {
+ searchSettings = JSON.parse(list);
+ } catch (e) {
+ LOG("failing to parse list.json: " + e);
+ return;
+ }
+
+ let jarNames = new Set();
+ for (let region in searchSettings) {
+ // Artifact builds use the full list.json which parses
+ // slightly differently
+ if (!("visibleDefaultEngines" in searchSettings[region])) {
+ continue;
+ }
+ for (let engine of searchSettings[region]["visibleDefaultEngines"]) {
+ jarNames.add(engine);
+ }
+ }
+
+ // Check if we have a useable country specific list of visible default engines.
+ let engineNames;
+ let visibleDefaultEngines = this.getVerifiedGlobalAttr("visibleDefaultEngines");
+ if (visibleDefaultEngines) {
+ engineNames = visibleDefaultEngines.split(",");
+ for (let engineName of engineNames) {
+ // If all engineName values are part of jarNames,
+ // then we can use the country specific list, otherwise ignore it.
+ // The visibleDefaultEngines string containing the name of an engine we
+ // don't ship indicates the server is misconfigured to answer requests
+ // from the specific Firefox version we are running, so ignoring the
+ // value altogether is safer.
+ if (!jarNames.has(engineName)) {
+ LOG("_parseListJSON: ignoring visibleDefaultEngines value because " +
+ engineName + " is not in the jar engines we have found");
+ engineNames = null;
+ break;
+ }
+ }
+ }
+
+ // Fallback to building a list based on the regions in the JSON
+ if (!engineNames || !engineNames.length) {
+ let region;
+ if (Services.prefs.prefHasUserValue("browser.search.region")) {
+ region = Services.prefs.getCharPref("browser.search.region");
+ }
+ if (!region || !(region in searchSettings)) {
+ region = "default";
+ }
+ engineNames = searchSettings[region]["visibleDefaultEngines"];
+ }
+
+ for (let name of engineNames) {
+ uris.push(APP_SEARCH_PREFIX + name + ".xml");
+ }
+
+ // Store this so that it can be used while writing the cache file.
+ this._visibleDefaultEngines = engineNames;
+ },
+
+ _parseListTxt: function SRCH_SVC_parseListTxt(list, uris) {
+ let names = list.split("\n").filter(n => !!n);
+ // This maps the names of our built-in engines to a boolean
+ // indicating whether it should be hidden by default.
+ let jarNames = new Map();
+ for (let name of names) {
+ if (name.endsWith(":hidden")) {
+ name = name.split(":")[0];
+ jarNames.set(name, true);
+ } else {
+ jarNames.set(name, false);
+ }
+ }
+
+ // Check if we have a useable country specific list of visible default engines.
+ let engineNames;
+ let visibleDefaultEngines = this.getVerifiedGlobalAttr("visibleDefaultEngines");
+ if (visibleDefaultEngines) {
+ engineNames = visibleDefaultEngines.split(",");
+
+ for (let engineName of engineNames) {
+ // If all engineName values are part of jarNames,
+ // then we can use the country specific list, otherwise ignore it.
+ // The visibleDefaultEngines string containing the name of an engine we
+ // don't ship indicates the server is misconfigured to answer requests
+ // from the specific Firefox version we are running, so ignoring the
+ // value altogether is safer.
+ if (!jarNames.has(engineName)) {
+ LOG("_parseListTxt: ignoring visibleDefaultEngines value because " +
+ engineName + " is not in the jar engines we have found");
+ engineNames = null;
+ break;
+ }
+ }
+ }
+
+ // Fallback to building a list based on the :hidden suffixes found in list.txt.
+ if (!engineNames) {
+ engineNames = [];
+ for (let [name, hidden] of jarNames) {
+ if (!hidden)
+ engineNames.push(name);
+ }
+ }
+
+ for (let name of engineNames) {
+ uris.push(APP_SEARCH_PREFIX + name + ".xml");
+ }
+
+ // Store this so that it can be used while writing the cache file.
+ this._visibleDefaultEngines = engineNames;
+ },
+
+
+ _saveSortedEngineList: function SRCH_SVC_saveSortedEngineList() {
+ LOG("SRCH_SVC_saveSortedEngineList: starting");
+
+ // Set the useDB pref to indicate that from now on we should use the order
+ // information stored in the database.
+ Services.prefs.setBoolPref(BROWSER_SEARCH_PREF + "useDBForOrder", true);
+
+ var engines = this._getSortedEngines(true);
+
+ for (var i = 0; i < engines.length; ++i) {
+ engines[i].setAttr("order", i + 1);
+ }
+
+ LOG("SRCH_SVC_saveSortedEngineList: done");
+ },
+
+ _buildSortedEngineList: function SRCH_SVC_buildSortedEngineList() {
+ LOG("_buildSortedEngineList: building list");
+ var addedEngines = { };
+ this.__sortedEngines = [];
+ var engine;
+
+ // If the user has specified a custom engine order, read the order
+ // information from the metadata instead of the default prefs.
+ if (getBoolPref(BROWSER_SEARCH_PREF + "useDBForOrder", false)) {
+ LOG("_buildSortedEngineList: using db for order");
+
+ // Flag to keep track of whether or not we need to call _saveSortedEngineList.
+ let needToSaveEngineList = false;
+
+ for (let name in this._engines) {
+ let engine = this._engines[name];
+ 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.__sortedEngines[orderNumber-1]) {
+ this.__sortedEngines[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.__sortedEngines.filter(function(a) { return !!a; });
+ if (this.__sortedEngines.length != filteredEngines.length)
+ needToSaveEngineList = true;
+ this.__sortedEngines = filteredEngines;
+
+ if (needToSaveEngineList)
+ this._saveSortedEngineList();
+ } else {
+ // The DB isn't being used, so just read the engine order from the prefs
+ var i = 0;
+ var engineName;
+ var prefName;
+
+ try {
+ var extras =
+ Services.prefs.getChildList(BROWSER_SEARCH_PREF + "order.extra.");
+
+ for (prefName of extras) {
+ engineName = Services.prefs.getCharPref(prefName);
+
+ engine = this._engines[engineName];
+ if (!engine || engine.name in addedEngines)
+ continue;
+
+ this.__sortedEngines.push(engine);
+ addedEngines[engine.name] = engine;
+ }
+ }
+ catch (e) { }
+
+ let prefNameBase = getGeoSpecificPrefName(BROWSER_SEARCH_PREF + "order");
+ while (true) {
+ prefName = prefNameBase + "." + (++i);
+ engineName = getLocalizedPref(prefName);
+ if (!engineName)
+ break;
+
+ engine = this._engines[engineName];
+ if (!engine || engine.name in addedEngines)
+ continue;
+
+ this.__sortedEngines.push(engine);
+ addedEngines[engine.name] = engine;
+ }
+ }
+
+ // Array for the remaining engines, alphabetically sorted.
+ let alphaEngines = [];
+
+ for (let name in this._engines) {
+ let engine = this._engines[name];
+ if (!(engine.name in addedEngines))
+ alphaEngines.push(this._engines[engine.name]);
+ }
+
+ let locale = Cc["@mozilla.org/intl/nslocaleservice;1"]
+ .getService(Ci.nsILocaleService)
+ .newLocale(getLocale());
+ let collation = Cc["@mozilla.org/intl/collation-factory;1"]
+ .createInstance(Ci.nsICollationFactory)
+ .CreateCollation(locale);
+ const strength = Ci.nsICollation.kCollationCaseInsensitiveAscii;
+ let comparator = (a, b) => collation.compareString(strength, a.name, b.name);
+ alphaEngines.sort(comparator);
+ return this.__sortedEngines = this.__sortedEngines.concat(alphaEngines);
+ },
+
+ /**
+ * Get a sorted array of engines.
+ * @param aWithHidden
+ * True if hidden plugins should be included in the result.
+ */
+ _getSortedEngines: function SRCH_SVC_getSorted(aWithHidden) {
+ if (aWithHidden)
+ return this._sortedEngines;
+
+ return this._sortedEngines.filter(function (engine) {
+ return !engine.hidden;
+ });
+ },
+
+ // nsIBrowserSearchService
+ init: function SRCH_SVC_init(observer) {
+ LOG("SearchService.init");
+ let self = this;
+ if (!this._initStarted) {
+ TelemetryStopwatch.start("SEARCH_SERVICE_INIT_MS");
+ this._initStarted = true;
+ Task.spawn(function* task() {
+ try {
+ // Complete initialization by calling asynchronous initializer.
+ yield self._asyncInit();
+ TelemetryStopwatch.finish("SEARCH_SERVICE_INIT_MS");
+ } catch (ex) {
+ if (ex.result == Cr.NS_ERROR_ALREADY_INITIALIZED) {
+ // No need to pursue asynchronous because synchronous fallback was
+ // called and has finished.
+ TelemetryStopwatch.finish("SEARCH_SERVICE_INIT_MS");
+ } else {
+ self._initObservers.reject(ex);
+ TelemetryStopwatch.cancel("SEARCH_SERVICE_INIT_MS");
+ }
+ }
+ });
+ }
+ if (observer) {
+ this._initObservers.promise.then(
+ function onSuccess() {
+ try {
+ observer.onInitComplete(self._initRV);
+ } catch (e) {
+ Cu.reportError(e);
+ }
+ },
+ function onError(aReason) {
+ Cu.reportError("Internal error while initializing SearchService: " + aReason);
+ observer.onInitComplete(Components.results.NS_ERROR_UNEXPECTED);
+ }
+ );
+ }
+ },
+
+ get isInitialized() {
+ return gInitialized;
+ },
+
+ getEngines: function SRCH_SVC_getEngines(aCount) {
+ this._ensureInitialized();
+ LOG("getEngines: getting all engines");
+ var engines = this._getSortedEngines(true);
+ aCount.value = engines.length;
+ return engines;
+ },
+
+ getVisibleEngines: function SRCH_SVC_getVisible(aCount) {
+ this._ensureInitialized();
+ LOG("getVisibleEngines: getting all visible engines");
+ var engines = this._getSortedEngines(false);
+ aCount.value = engines.length;
+ return engines;
+ },
+
+ getDefaultEngines: function SRCH_SVC_getDefault(aCount) {
+ this._ensureInitialized();
+ function isDefault(engine) {
+ return engine._isDefault;
+ }
+ var engines = this._sortedEngines.filter(isDefault);
+ var engineOrder = {};
+ var engineName;
+ var i = 1;
+
+ // Build a list of engines which we have ordering information for.
+ // We're rebuilding the list here because _sortedEngines contain the
+ // current order, but we want the original order.
+
+ // First, look at the "browser.search.order.extra" branch.
+ try {
+ var extras = Services.prefs.getChildList(BROWSER_SEARCH_PREF + "order.extra.");
+
+ for (var prefName of extras) {
+ engineName = Services.prefs.getCharPref(prefName);
+
+ if (!(engineName in engineOrder))
+ engineOrder[engineName] = i++;
+ }
+ } catch (e) {
+ LOG("Getting extra order prefs failed: " + e);
+ }
+
+ // Now look through the "browser.search.order" branch.
+ let prefNameBase = getGeoSpecificPrefName(BROWSER_SEARCH_PREF + "order");
+ for (var j = 1; ; j++) {
+ let prefName = prefNameBase + "." + j;
+ engineName = getLocalizedPref(prefName);
+ if (!engineName)
+ break;
+
+ if (!(engineName in engineOrder))
+ engineOrder[engineName] = i++;
+ }
+
+ LOG("getDefaultEngines: engineOrder: " + engineOrder.toSource());
+
+ function compareEngines (a, b) {
+ var aIdx = engineOrder[a.name];
+ var bIdx = engineOrder[b.name];
+
+ if (aIdx && bIdx)
+ return aIdx - bIdx;
+ if (aIdx)
+ return -1;
+ if (bIdx)
+ return 1;
+
+ return a.name.localeCompare(b.name);
+ }
+ engines.sort(compareEngines);
+
+ aCount.value = engines.length;
+ return engines;
+ },
+
+ getEngineByName: function SRCH_SVC_getEngineByName(aEngineName) {
+ this._ensureInitialized();
+ return this._engines[aEngineName] || null;
+ },
+
+ getEngineByAlias: function SRCH_SVC_getEngineByAlias(aAlias) {
+ this._ensureInitialized();
+ for (var engineName in this._engines) {
+ var engine = this._engines[engineName];
+ if (engine && engine.alias == aAlias)
+ return engine;
+ }
+ return null;
+ },
+
+ addEngineWithDetails: function SRCH_SVC_addEWD(aName, aIconURL, aAlias,
+ aDescription, aMethod,
+ aTemplate, aExtensionID) {
+ this._ensureInitialized();
+ if (!aName)
+ FAIL("Invalid name passed to addEngineWithDetails!");
+ if (!aMethod)
+ FAIL("Invalid method passed to addEngineWithDetails!");
+ if (!aTemplate)
+ FAIL("Invalid template passed to addEngineWithDetails!");
+ if (this._engines[aName])
+ FAIL("An engine with that name already exists!", Cr.NS_ERROR_FILE_ALREADY_EXISTS);
+
+ var engine = new Engine(sanitizeName(aName), false);
+ engine._initFromMetadata(aName, aIconURL, aAlias, aDescription,
+ aMethod, aTemplate, aExtensionID);
+ engine._loadPath = "[other]addEngineWithDetails";
+ this._addEngineToStore(engine);
+ },
+
+ addEngine: function SRCH_SVC_addEngine(aEngineURL, aDataType, aIconURL,
+ aConfirm, aCallback) {
+ LOG("addEngine: Adding \"" + aEngineURL + "\".");
+ this._ensureInitialized();
+ try {
+ var uri = makeURI(aEngineURL);
+ var engine = new Engine(uri, false);
+ if (aCallback) {
+ engine._installCallback = function (errorCode) {
+ try {
+ if (errorCode == null)
+ aCallback.onSuccess(engine);
+ else
+ aCallback.onError(errorCode);
+ } catch (ex) {
+ Cu.reportError("Error invoking addEngine install callback: " + ex);
+ }
+ // Clear the reference to the callback now that it's been invoked.
+ engine._installCallback = null;
+ };
+ }
+ engine._initFromURIAndLoad(uri);
+ } catch (ex) {
+ // Drop the reference to the callback, if set
+ if (engine)
+ engine._installCallback = null;
+ FAIL("addEngine: Error adding engine:\n" + ex, Cr.NS_ERROR_FAILURE);
+ }
+ engine._setIcon(aIconURL, false);
+ engine._confirm = aConfirm;
+ },
+
+ removeEngine: function SRCH_SVC_removeEngine(aEngine) {
+ this._ensureInitialized();
+ if (!aEngine)
+ FAIL("no engine passed to removeEngine!");
+
+ var engineToRemove = null;
+ for (var e in this._engines) {
+ if (aEngine.wrappedJSObject == this._engines[e])
+ engineToRemove = this._engines[e];
+ }
+
+ if (!engineToRemove)
+ FAIL("removeEngine: Can't find engine to remove!", Cr.NS_ERROR_FILE_NOT_FOUND);
+
+ if (engineToRemove == this.currentEngine) {
+ this._currentEngine = null;
+ }
+
+ if (engineToRemove._readOnly) {
+ // 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.nsILocalFile);
+ file.persistentDescriptor = engineToRemove._filePath;
+ if (file.exists()) {
+ file.remove(false);
+ }
+ engineToRemove._filePath = null;
+ }
+
+ // Remove the engine from _sortedEngines
+ var index = this._sortedEngines.indexOf(engineToRemove);
+ if (index == -1)
+ FAIL("Can't find engine to remove in _sortedEngines!", Cr.NS_ERROR_FAILURE);
+ this.__sortedEngines.splice(index, 1);
+
+ // Remove the engine from the internal store
+ delete this._engines[engineToRemove.name];
+
+ // Since we removed an engine, we need to update the preferences.
+ this._saveSortedEngineList();
+ }
+ notifyAction(engineToRemove, SEARCH_ENGINE_REMOVED);
+ },
+
+ moveEngine: function SRCH_SVC_moveEngine(aEngine, aNewIndex) {
+ this._ensureInitialized();
+ if ((aNewIndex > this._sortedEngines.length) || (aNewIndex < 0))
+ FAIL("SRCH_SVC_moveEngine: Index out of bounds!");
+ if (!(aEngine instanceof Ci.nsISearchEngine))
+ FAIL("SRCH_SVC_moveEngine: Invalid engine passed to moveEngine!");
+ if (aEngine.hidden)
+ FAIL("moveEngine: Can't move a hidden engine!", Cr.NS_ERROR_FAILURE);
+
+ var engine = aEngine.wrappedJSObject;
+
+ var currentIndex = this._sortedEngines.indexOf(engine);
+ if (currentIndex == -1)
+ FAIL("moveEngine: Can't find engine to move!", Cr.NS_ERROR_UNEXPECTED);
+
+ // Our callers only take into account non-hidden engines when calculating
+ // aNewIndex, but we need to move it in the array of all engines, so we
+ // need to adjust aNewIndex 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 aNewIndex 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 aNewIndex.
+ var newIndexEngine = this._getSortedEngines(false)[aNewIndex];
+ if (!newIndexEngine)
+ FAIL("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)
+ aNewIndex++;
+ }
+
+ if (currentIndex == aNewIndex)
+ return; // nothing to do!
+
+ // Move the engine
+ var movedEngine = this.__sortedEngines.splice(currentIndex, 1)[0];
+ this.__sortedEngines.splice(aNewIndex, 0, movedEngine);
+
+ notifyAction(engine, SEARCH_ENGINE_CHANGED);
+
+ // Since we moved an engine, we need to update the preferences.
+ this._saveSortedEngineList();
+ },
+
+ restoreDefaultEngines: function SRCH_SVC_resetDefaultEngines() {
+ this._ensureInitialized();
+ for (let name in this._engines) {
+ let e = this._engines[name];
+ // Unhide all default engines
+ if (e.hidden && e._isDefault)
+ e.hidden = false;
+ }
+ },
+
+ get defaultEngine() { return this.currentEngine; },
+
+ set defaultEngine(val) {
+ this.currentEngine = val;
+ },
+
+ get currentEngine() {
+ this._ensureInitialized();
+ if (!this._currentEngine) {
+ let name = this.getGlobalAttr("current");
+ let engine = this.getEngineByName(name);
+ if (engine && (this.getGlobalAttr("hash") == getVerificationHash(name) ||
+ engine._isDefault)) {
+ // 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.
+ this._currentEngine = engine;
+ }
+ if (!name)
+ this._currentEngine = this.originalDefaultEngine;
+ }
+
+ // If the current engine is not set or hidden, we fallback...
+ if (!this._currentEngine || this._currentEngine.hidden) {
+ // first to the original default engine
+ let originalDefault = this.originalDefaultEngine;
+ if (!originalDefault || originalDefault.hidden) {
+ // then to the first visible engine
+ let firstVisible = this._getSortedEngines(false)[0];
+ if (firstVisible && !firstVisible.hidden) {
+ this.currentEngine = firstVisible;
+ return firstVisible;
+ }
+ // and finally as a last resort we unhide the original default engine.
+ if (originalDefault)
+ originalDefault.hidden = false;
+ }
+ if (!originalDefault)
+ 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.currentEngine = originalDefault;
+ }
+
+ return this._currentEngine;
+ },
+
+ set currentEngine(val) {
+ this._ensureInitialized();
+ // 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 (!(val instanceof Ci.nsISearchEngine) && !(val instanceof Engine))
+ FAIL("Invalid argument passed to currentEngine setter");
+
+ var newCurrentEngine = this.getEngineByName(val.name);
+ if (!newCurrentEngine)
+ FAIL("Can't find engine in store!", Cr.NS_ERROR_UNEXPECTED);
+
+ if (!newCurrentEngine._isDefault) {
+ // 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 = getVerificationHash(newCurrentEngine._loadPath);
+ let currentHash = newCurrentEngine.getAttr("loadPathHash");
+ if (!currentHash || currentHash != loadPathHash) {
+ newCurrentEngine.setAttr("loadPathHash", loadPathHash);
+ notifyAction(newCurrentEngine, SEARCH_ENGINE_CHANGED);
+ }
+ }
+
+ if (newCurrentEngine == this._currentEngine)
+ return;
+
+ 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 "default"
+ // engine. So clear the user pref when the currentEngine is set to the
+ // build's default engine, so that the currentEngine getter falls back to
+ // whatever the default is.
+ let newName = this._currentEngine.name;
+ if (this._currentEngine == this.originalDefaultEngine) {
+ newName = "";
+ }
+
+ this.setGlobalAttr("current", newName);
+ this.setGlobalAttr("hash", getVerificationHash(newName));
+
+ notifyAction(this._currentEngine, SEARCH_ENGINE_DEFAULT);
+ notifyAction(this._currentEngine, SEARCH_ENGINE_CURRENT);
+ },
+
+ getDefaultEngineInfo() {
+ let result = {};
+
+ let engine;
+ try {
+ engine = this.defaultEngine;
+ } catch (e) {
+ // 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");
+ }
+
+ if (!engine) {
+ result.name = "NONE";
+ } else {
+ if (engine.name)
+ result.name = engine.name;
+
+ result.loadPath = engine._loadPath;
+
+ let origin;
+ if (engine._isDefault)
+ origin = "default";
+ else {
+ let currentHash = engine.getAttr("loadPathHash");
+ if (!currentHash)
+ origin = "unverified";
+ else {
+ let loadPathHash = getVerificationHash(engine._loadPath);
+ origin = currentHash == loadPathHash ? "verified" : "invalid";
+ }
+ }
+ result.origin = origin;
+
+ // For privacy, we only collect the submission URL for default engines...
+ let sendSubmissionURL = engine._isDefault;
+
+ // ... or engines sorted by default near the top of the list.
+ if (!sendSubmissionURL) {
+ let extras =
+ Services.prefs.getChildList(BROWSER_SEARCH_PREF + "order.extra.");
+
+ for (let prefName of extras) {
+ try {
+ if (result.name == Services.prefs.getCharPref(prefName)) {
+ sendSubmissionURL = true;
+ break;
+ }
+ } catch (e) {}
+ }
+
+ let prefNameBase = getGeoSpecificPrefName(BROWSER_SEARCH_PREF + "order");
+ let i = 0;
+ while (!sendSubmissionURL) {
+ let prefName = prefNameBase + "." + (++i);
+ let engineName = getLocalizedPref(prefName);
+ if (!engineName)
+ break;
+ if (result.name == engineName) {
+ sendSubmissionURL = true;
+ break;
+ }
+ }
+ }
+
+ if (sendSubmissionURL) {
+ let uri = engine._getURLOfType("text/html")
+ .getSubmission("", engine, "searchbar").uri;
+ uri.userPass = ""; // Avoid reporting a username or password.
+ result.submissionURL = uri.spec;
+ }
+ }
+
+ return result;
+ },
+
+ _recordEngineTelemetry: function() {
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_ENGINE_COUNT")
+ .add(Object.keys(this._engines).length);
+ let hasUpdates = false;
+ let hasIconUpdates = false;
+ for (let name in this._engines) {
+ let engine = this._engines[name];
+ if (engine._hasUpdates) {
+ hasUpdates = true;
+ if (engine._iconUpdateURL) {
+ hasIconUpdates = true;
+ break;
+ }
+ }
+ }
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_HAS_UPDATES").add(hasUpdates);
+ Services.telemetry.getHistogramById("SEARCH_SERVICE_HAS_ICON_UPDATES").add(hasIconUpdates);
+ },
+
+ /**
+ * 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,
+
+ _buildParseSubmissionMap: function SRCH_SVC__buildParseSubmissionMap() {
+ LOG("_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) {
+ LOG("Processing engine: " + engine.name);
+
+ if (engine.hidden) {
+ LOG("Engine is hidden.");
+ continue;
+ }
+
+ let urlParsingInfo = engine.getURLParsingInfo();
+ if (!urlParsingInfo) {
+ LOG("Engine does not support URL parsing.");
+ continue;
+ }
+
+ // Store the same object on each matching map key, as an optimization.
+ let mapValueForEngine = {
+ engine: 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) {
+ LOG("Adding new entry: " + key);
+ if (isAlternate) {
+ keysOfAlternates.add(key);
+ }
+ } else if (!isAlternate && keysOfAlternates.has(key)) {
+ LOG("Overriding alternate entry: " + key +
+ " (" + existingEntry.engine.name + ")");
+ keysOfAlternates.delete(key);
+ } else {
+ LOG("Keeping existing entry: " + key +
+ " (" + existingEntry.engine.name + ")");
+ return;
+ }
+
+ this._parseSubmissionMap.set(key, mapValueForEngine);
+ };
+
+ processDomain(urlParsingInfo.mainDomain, false);
+ SearchStaticData.getAlternateDomains(urlParsingInfo.mainDomain)
+ .forEach(d => processDomain(d, true));
+ }
+ },
+
+ /**
+ * Checks to see if any engine has an EngineURL of type URLTYPE_SEARCH_HTML
+ * for this request-method, template URL, and query params.
+ */
+ hasEngineWithURL: function(method, template, formData) {
+ this._ensureInitialized();
+
+ // Quick helper method to ensure formData filtered/sorted for compares.
+ let getSortedFormData = data => {
+ return data.filter(a => a.name && a.value).sort((a, b) => {
+ if (a.name > b.name) {
+ return 1;
+ } else if (b.name > a.name) {
+ return -1;
+ } else if (a.value > b.value) {
+ return 1;
+ }
+ return (b.value > a.value) ? -1 : 0;
+ });
+ };
+
+ // Sanitize method, ensure formData is pre-sorted.
+ let methodUpper = method.toUpperCase();
+ let sortedFormData = getSortedFormData(formData);
+ let sortedFormLength = sortedFormData.length;
+
+ return this._getSortedEngines(false).some(engine => {
+ return engine._urls.some(url => {
+ // Not an engineURL match if type, method, url, #params don't match.
+ if (url.type != URLTYPE_SEARCH_HTML ||
+ url.method != methodUpper ||
+ url.template != template ||
+ url.params.length != sortedFormLength) {
+ return false;
+ }
+
+ // Ensure engineURL formData is pre-sorted. Then, we're
+ // not an engineURL match if any queryParam doesn't compare.
+ let sortedParams = getSortedFormData(url.params);
+ for (let i = 0; i < sortedFormLength; i++) {
+ let formData = sortedFormData[i];
+ let param = sortedParams[i];
+ if (param.name != formData.name ||
+ param.value != formData.value ||
+ param.purpose != formData.purpose) {
+ return false;
+ }
+ }
+ // Else we're a match.
+ return true;
+ });
+ });
+ },
+
+ parseSubmissionURL: function SRCH_SVC_parseSubmissionURL(aURL) {
+ this._ensureInitialized();
+ LOG("parseSubmissionURL: Parsing \"" + aURL + "\".");
+
+ if (!this._parseSubmissionMap) {
+ this._buildParseSubmissionMap();
+ }
+
+ // Extract the elements of the provided URL first.
+ let soughtKey, soughtQuery;
+ try {
+ let soughtUrl = NetUtil.newURI(aURL).QueryInterface(Ci.nsIURL);
+
+ // Exclude any URL that is not HTTP or HTTPS from the beginning.
+ if (soughtUrl.scheme != "http" && soughtUrl.scheme != "https") {
+ LOG("The URL scheme is not HTTP or 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.
+ LOG("The value does not look like a structured URL.");
+ return gEmptyParseSubmissionResult;
+ }
+
+ // Look up the domain and path in the map to identify the search engine.
+ let mapEntry = this._parseSubmissionMap.get(soughtKey);
+ if (!mapEntry) {
+ LOG("No engine associated with domain and path: " + soughtKey);
+ 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) {
+ LOG("Missing terms parameter: " + mapEntry.termsParameterName);
+ return gEmptyParseSubmissionResult;
+ }
+
+ let length = 0;
+ let offset = aURL.indexOf("?") + 1;
+ let query = aURL.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 = gTextToSubURI.UnEscapeAndConvert(
+ mapEntry.engine.queryCharset,
+ encodedTerms.replace(/\+/g, " "));
+ } catch (ex) {
+ // Decoding errors will cause this match to be ignored.
+ LOG("Parameter decoding failed. Charset: " +
+ mapEntry.engine.queryCharset);
+ return gEmptyParseSubmissionResult;
+ }
+
+ LOG("Match found. Terms: " + terms);
+ return new ParseSubmissionResult(mapEntry.engine, terms, offset, length);
+ },
+
+ // nsIObserver
+ observe: function SRCH_SVC_observe(aEngine, aTopic, aVerb) {
+ switch (aTopic) {
+ case SEARCH_ENGINE_TOPIC:
+ switch (aVerb) {
+ case SEARCH_ENGINE_LOADED:
+ var engine = aEngine.QueryInterface(Ci.nsISearchEngine);
+ LOG("nsSearchService::observe: Done installation of " + engine.name
+ + ".");
+ this._addEngineToStore(engine.wrappedJSObject);
+ if (engine.wrappedJSObject._useNow) {
+ LOG("nsSearchService::observe: setting current");
+ this.currentEngine = aEngine;
+ }
+ // The addition of the engine to the store always triggers an ADDED
+ // or a CHANGED notification, that will trigger the task below.
+ break;
+ case SEARCH_ENGINE_ADDED:
+ case SEARCH_ENGINE_CHANGED:
+ case SEARCH_ENGINE_REMOVED:
+ this.batchTask.disarm();
+ this.batchTask.arm();
+ // Invalidate the map used to parse URLs to search engines.
+ this._parseSubmissionMap = null;
+ break;
+ }
+ break;
+
+ case QUIT_APPLICATION_TOPIC:
+ this._removeObservers();
+ break;
+
+ case "nsPref:changed":
+ if (aVerb == LOCALE_PREF) {
+ // Locale changed. Re-init. We rely on observers, because we can't
+ // return this promise to anyone.
+ this._asyncReInit();
+ break;
+ }
+ }
+ },
+
+ // nsITimerCallback
+ notify: function SRCH_SVC_notify(aTimer) {
+ LOG("_notify: checking for updates");
+
+ if (!getBoolPref(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();
+ LOG("currentTime: " + currentTime);
+ for (let name in this._engines) {
+ let engine = this._engines[name].wrappedJSObject;
+ if (!engine._hasUpdates)
+ continue;
+
+ LOG("checking " + engine.name);
+
+ var expirTime = engine.getAttr("updateexpir");
+ LOG("expirTime: " + expirTime + "\nupdateURL: " + engine._updateURL +
+ "\niconUpdateURL: " + engine._iconUpdateURL);
+
+ var engineExpired = expirTime <= currentTime;
+
+ if (!expirTime || !engineExpired) {
+ LOG("skipping engine");
+ continue;
+ }
+
+ LOG(engine.name + " has expired");
+
+ engineUpdateService.update(engine);
+
+ // Schedule the next update
+ engineUpdateService.scheduleNextUpdate(engine);
+
+ } // end engine iteration
+ },
+
+ _addObservers: function SRCH_SVC_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;
+
+ Services.obs.addObserver(this, SEARCH_ENGINE_TOPIC, false);
+ Services.obs.addObserver(this, QUIT_APPLICATION_TOPIC, false);
+
+ if (AppConstants.MOZ_BUILD_APP == "mobile/android") {
+ Services.prefs.addObserver(LOCALE_PREF, this, false);
+ }
+
+ // 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
+ }
+ };
+ OS.File.profileBeforeChange.addBlocker(
+ "Search service: shutting down",
+ () => Task.spawn(function* () {
+ if (this._batchTask) {
+ shutdownState.step = "Finalizing batched task";
+ try {
+ yield this._batchTask.finalize();
+ shutdownState.step = "Batched task finalized";
+ } catch (ex) {
+ shutdownState.step = "Batched task failed to finalize";
+
+ shutdownState.latestError.message = "" + ex;
+ if (ex && typeof ex == "object") {
+ shutdownState.latestError.stack = ex.stack || undefined;
+ }
+
+ // Ensure that error is reported and that it causes tests
+ // to fail.
+ Promise.reject(ex);
+ }
+ }
+ }.bind(this)),
+
+ () => shutdownState
+ );
+ },
+ _observersAdded: false,
+
+ _removeObservers: function SRCH_SVC_removeObservers() {
+ Services.obs.removeObserver(this, SEARCH_ENGINE_TOPIC);
+ Services.obs.removeObserver(this, QUIT_APPLICATION_TOPIC);
+
+ if (AppConstants.MOZ_BUILD_APP == "mobile/android") {
+ Services.prefs.removeObserver(LOCALE_PREF, this);
+ }
+ },
+
+ QueryInterface: XPCOMUtils.generateQI([
+ Ci.nsIBrowserSearchService,
+ Ci.nsIObserver,
+ Ci.nsITimerCallback
+ ])
+};
+
+
+const SEARCH_UPDATE_LOG_PREFIX = "*** Search update: ";
+
+/**
+ * Outputs aText to the JavaScript console as well as to stdout, if the search
+ * logging pref (browser.search.update.log) is set to true.
+ */
+function ULOG(aText) {
+ if (getBoolPref(BROWSER_SEARCH_PREF + "update.log", false)) {
+ dump(SEARCH_UPDATE_LOG_PREFIX + aText + "\n");
+ Services.console.logStringMessage(aText);
+ }
+}
+
+var engineUpdateService = {
+ scheduleNextUpdate: function eus_scheduleNextUpdate(aEngine) {
+ var interval = aEngine._updateInterval || SEARCH_DEFAULT_UPDATE_INTERVAL;
+ var milliseconds = interval * 86400000; // |interval| is in days
+ aEngine.setAttr("updateexpir", Date.now() + milliseconds);
+ },
+
+ update: function eus_Update(aEngine) {
+ let engine = aEngine.wrappedJSObject;
+ ULOG("update called for " + aEngine._name);
+ if (!getBoolPref(BROWSER_SEARCH_PREF + "update", true) || !engine._hasUpdates)
+ return;
+
+ let testEngine = null;
+ let updateURL = engine._getURLOfType(URLTYPE_OPENSEARCH);
+ let updateURI = (updateURL && updateURL._hasRelation("self")) ?
+ updateURL.getSubmission("", engine).uri :
+ makeURI(engine._updateURL);
+ if (updateURI) {
+ if (engine._isDefault && !updateURI.schemeIs("https")) {
+ ULOG("Invalid scheme for default engine update");
+ return;
+ }
+
+ ULOG("updating " + engine.name + " from " + updateURI.spec);
+ testEngine = new Engine(updateURI, false);
+ testEngine._engineToUpdate = engine;
+ testEngine._initFromURIAndLoad(updateURI);
+ } else
+ ULOG("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);
+ }
+ }
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([SearchService]);