gecko-dev/browser/components/sessionstore/PrivacyLevel.jsm

58 lines
1.7 KiB
JavaScript

/* 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/. */
"use strict";
this.EXPORTED_SYMBOLS = ["PrivacyLevel"];
const Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "gSessionStartup",
"@mozilla.org/browser/sessionstartup;1", "nsISessionStartup");
const PREF = "browser.sessionstore.privacy_level";
// The following constants represent the different possible privacy levels that
// can be set by the user and that we need to consider when collecting text
// data, and cookies.
//
// Collect data from all sites (http and https).
const PRIVACY_NONE = 0;
// Collect data from unencrypted sites (http), only.
const PRIVACY_ENCRYPTED = 1;
// Collect no data.
const PRIVACY_FULL = 2;
/**
* The external API as exposed by this module.
*/
var PrivacyLevel = Object.freeze({
/**
* Checks whether we're allowed to save data for a specific site.
*
* @param {isHttps: boolean}
* An object that must have one property: 'isHttps'.
* 'isHttps' tells whether the site us secure communication (HTTPS).
* @return {bool} Whether we can save data for the specified site.
*/
canSave: function ({isHttps}) {
let level = Services.prefs.getIntPref(PREF);
// Never save any data when full privacy is requested.
if (level == PRIVACY_FULL) {
return false;
}
// Don't save data for encrypted sites when requested.
if (isHttps && level == PRIVACY_ENCRYPTED) {
return false;
}
return true;
}
});