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 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

 /* 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/. */

 Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");

 var gSecurityPane = {

   _pane: null,

   /**

    * Initializes master password UI.

    */

   init: function ()

   {

     this._pane = document.getElementById("paneSecurity");

     this._initMasterPasswordUI();

   },

   // ADD-ONS

   /*

    * Preferences:

    *

    * xpinstall.whitelist.required

    * - true if a site must be added to a site whitelist before extensions

    *   provided by the site may be installed from it, false if the extension

    *   may be directly installed after a confirmation dialog

    */

   /**

    * Enables/disables the add-ons Exceptions button depending on whether

    * or not add-on installation warnings are displayed.

    */

   readWarnAddonInstall: function ()

   {

     var warn = document.getElementById("xpinstall.whitelist.required");

     var exceptions = document.getElementById("addonExceptions");

     exceptions.disabled = !warn.value;

     // don't override the preference value

     return undefined;

   },

   /**

    * Displays the exceptions lists for add-on installation warnings.

    */

   showAddonExceptions: function ()

   {

     var bundlePrefs = document.getElementById("bundlePreferences");

     var params = this._addonParams;

     if (!params.windowTitle || !params.introText) {

       params.windowTitle = bundlePrefs.getString("addons_permissions_title");

       params.introText = bundlePrefs.getString("addonspermissionstext");

     }

     document.documentElement.openWindow("Browser:Permissions",

                                         "chrome://browser/content/preferences/permissions.xul",

                                         "", params);

   },

   /**

    * Parameters for the add-on install permissions dialog.

    */

   _addonParams:

     {

       blockVisible: false,

       sessionVisible: false,

       allowVisible: true,

       prefilledHost: "",

       permissionType: "install"

     },

   // PASSWORDS

   /*

    * Preferences:

    *

    * signon.rememberSignons

    * - true if passwords are remembered, false otherwise

    */

   /**

    * Enables/disables the Exceptions button used to configure sites where

    * passwords are never saved. When browser is set to start in Private

    * Browsing mode, the "Remember passwords" UI is useless, so we disable it.

    */

   readSavePasswords: function ()

   {

     var pref = document.getElementById("signon.rememberSignons");

     var excepts = document.getElementById("passwordExceptions");

     if (PrivateBrowsingUtils.permanentPrivateBrowsing) {

       document.getElementById("savePasswords").disabled = true;

       excepts.disabled = true;

       return false;

     } else {

       excepts.disabled = !pref.value;

       // don't override pref value in UI

       return undefined;

     }

   },

   /**

    * Displays a dialog in which the user can view and modify the list of sites

    * where passwords are never saved.

    */

   showPasswordExceptions: function ()

   {

     document.documentElement.openWindow("Toolkit:PasswordManagerExceptions",

                                         "chrome://passwordmgr/content/passwordManagerExceptions.xul",

                                         "", null);

   },

   /**

    * Initializes master password UI: the "use master password" checkbox, selects

    * the master password button to show, and enables/disables it as necessary.

    * The master password is controlled by various bits of NSS functionality, so

    * the UI for it can't be controlled by the normal preference bindings.

    */

   _initMasterPasswordUI: function ()

   {

     var noMP = !this._masterPasswordSet();

     var button = document.getElementById("changeMasterPassword");

     button.disabled = noMP;

     var checkbox = document.getElementById("useMasterPassword");

     checkbox.checked = !noMP;

   },

   /**

    * Returns true if the user has a master password set and false otherwise.

    */

   _masterPasswordSet: function ()

   {

     const Cc = Components.classes, Ci = Components.interfaces;

     var secmodDB = Cc["@mozilla.org/security/pkcs11moduledb;1"].

                    getService(Ci.nsIPKCS11ModuleDB);

     var slot = secmodDB.findSlotByName("");

     if (slot) {

       var status = slot.status;

       var hasMP = status != Ci.nsIPKCS11Slot.SLOT_UNINITIALIZED &&

                   status != Ci.nsIPKCS11Slot.SLOT_READY;

       return hasMP;

     } else {

       // XXX I have no bloody idea what this means

       return false;

     }

   },

   /**

    * Enables/disables the master password button depending on the state of the

    * "use master password" checkbox, and prompts for master password removal if

    * one is set.

    */

   updateMasterPasswordButton: function ()

   {

     var checkbox = document.getElementById("useMasterPassword");

     var button = document.getElementById("changeMasterPassword");

     button.disabled = !checkbox.checked;

     // unchecking the checkbox should try to immediately remove the master

     // password, because it's impossible to non-destructively remove the master

     // password used to encrypt all the passwords without providing it (by

     // design), and it would be extremely odd to pop up that dialog when the

     // user closes the prefwindow and saves his settings

     if (!checkbox.checked)

       this._removeMasterPassword();

     else

       this.changeMasterPassword();

     this._initMasterPasswordUI();

     // We might want to hide sync's password engine.

     gSyncPane.updateWeavePrefs();

   },

   /**

    * Displays the "remove master password" dialog to allow the user to remove

    * the current master password.  When the dialog is dismissed, master password

    * UI is automatically updated.

    */

   _removeMasterPassword: function ()

   {

     const Cc = Components.classes, Ci = Components.interfaces;

     var secmodDB = Cc["@mozilla.org/security/pkcs11moduledb;1"].

                    getService(Ci.nsIPKCS11ModuleDB);

     if (secmodDB.isFIPSEnabled) {

       var promptService = Cc["@mozilla.org/embedcomp/prompt-service;1"].

                           getService(Ci.nsIPromptService);

       var bundle = document.getElementById("bundlePreferences");

       promptService.alert(window,

                           bundle.getString("pw_change_failed_title"),

                           bundle.getString("pw_change2empty_in_fips_mode"));

     }

     else {

       document.documentElement.openSubDialog("chrome://mozapps/content/preferences/removemp.xul",

                                              "", null);

     }

     this._initMasterPasswordUI();

   },

   /**

    * Displays a dialog in which the master password may be changed.

    */

   changeMasterPassword: function ()

   {

     document.documentElement.openSubDialog("chrome://mozapps/content/preferences/changemp.xul",

                                            "", null);

     this._initMasterPasswordUI();

   },

   /**

    * Shows the sites where the user has saved passwords and the associated login

    * information.

    */

   showPasswords: function ()

   {

     document.documentElement.openWindow("Toolkit:PasswordManager",

                                         "chrome://passwordmgr/content/passwordManager.xul",

                                         "", null);

   }

 };