зеркало из https://github.com/mozilla/gecko-dev.git
121 строка
3.8 KiB
JavaScript
121 строка
3.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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var EXPORTED_SYMBOLS = ["PrivateBrowsingUtils"];
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ChromeUtils.import("resource://gre/modules/Services.jsm");
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function PrivateBrowsingContentBlockingAllowList() {
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Services.obs.addObserver(this, "last-pb-context-exited", true);
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}
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PrivateBrowsingContentBlockingAllowList.prototype = {
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QueryInterface: ChromeUtils.generateQI([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
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/**
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* Add the provided URI to the list of allowed tracking sites.
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*
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* @param uri nsIURI
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* The URI to add to the list.
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*/
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addToAllowList(uri) {
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Services.perms.add(uri, "trackingprotection-pb", Ci.nsIPermissionManager.ALLOW_ACTION,
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Ci.nsIPermissionManager.EXPIRE_SESSION);
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},
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/**
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* Remove the provided URI from the list of allowed tracking sites.
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*
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* @param uri nsIURI
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* The URI to remove from the list.
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*/
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removeFromAllowList(uri) {
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Services.perms.remove(uri, "trackingprotection-pb");
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},
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observe(subject, topic, data) {
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if (topic == "last-pb-context-exited") {
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Services.perms.removeByType("trackingprotection-pb");
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}
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},
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};
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const kAutoStartPref = "browser.privatebrowsing.autostart";
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// This will be set to true when the PB mode is autostarted from the command
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// line for the current session.
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var gTemporaryAutoStartMode = false;
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var PrivateBrowsingUtils = {
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get enabled() {
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return Services.policies.isAllowed("privatebrowsing");
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},
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// Rather than passing content windows to this function, please use
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// isBrowserPrivate since it works with e10s.
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isWindowPrivate: function pbu_isWindowPrivate(aWindow) {
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if (!aWindow.isChromeWindow) {
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dump("WARNING: content window passed to PrivateBrowsingUtils.isWindowPrivate. " +
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"Use isContentWindowPrivate instead (but only for frame scripts).\n"
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+ new Error().stack);
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}
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return this.privacyContextFromWindow(aWindow).usePrivateBrowsing;
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},
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// This should be used only in frame scripts.
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isContentWindowPrivate: function pbu_isWindowPrivate(aWindow) {
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return this.privacyContextFromWindow(aWindow).usePrivateBrowsing;
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},
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isBrowserPrivate(aBrowser) {
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let chromeWin = aBrowser.ownerGlobal;
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if (chromeWin.gMultiProcessBrowser || !aBrowser.contentWindow) {
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// In e10s we have to look at the chrome window's private
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// browsing status since the only alternative is to check the
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// content window, which is in another process. If the browser
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// is lazy or is running in windowless configuration then the
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// content window doesn't exist.
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return this.isWindowPrivate(chromeWin);
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}
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return this.privacyContextFromWindow(aBrowser.contentWindow).usePrivateBrowsing;
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},
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privacyContextFromWindow: function pbu_privacyContextFromWindow(aWindow) {
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return aWindow.docShell.QueryInterface(Ci.nsILoadContext);
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},
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get _pbCBAllowList() {
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delete this._pbCBAllowList;
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return this._pbCBAllowList = new PrivateBrowsingContentBlockingAllowList();
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},
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addToTrackingAllowlist(aURI) {
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this._pbCBAllowList.addToAllowList(aURI);
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},
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removeFromTrackingAllowlist(aURI) {
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this._pbCBAllowList.removeFromAllowList(aURI);
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},
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get permanentPrivateBrowsing() {
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try {
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return gTemporaryAutoStartMode ||
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Services.prefs.getBoolPref(kAutoStartPref);
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} catch (e) {
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// The pref does not exist
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return false;
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}
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},
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// These should only be used from internal code
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enterTemporaryAutoStartMode: function pbu_enterTemporaryAutoStartMode() {
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gTemporaryAutoStartMode = true;
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},
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get isInTemporaryAutoStartMode() {
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return gTemporaryAutoStartMode;
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},
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};
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