The Tor Browser / file revision

 /* 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 Cu = Components.utils;

 Cu.import("resource://services-sync/main.js");

 Cu.import("resource://gre/modules/XPCOMUtils.jsm");

 const PIN_PART_LENGTH = 4;

 const ADD_DEVICE_PAGE       = 0;

 const SYNC_KEY_PAGE         = 1;

 const DEVICE_CONNECTED_PAGE = 2;

 let gSyncAddDevice = {

   init: function init() {

     this.pin1.setAttribute("maxlength", PIN_PART_LENGTH);

     this.pin2.setAttribute("maxlength", PIN_PART_LENGTH);

     this.pin3.setAttribute("maxlength", PIN_PART_LENGTH);

     this.nextFocusEl = {pin1: this.pin2,

                         pin2: this.pin3,

                         pin3: this.wizard.getButton("next")};

     this.throbber = document.getElementById("pairDeviceThrobber");

     this.errorRow = document.getElementById("errorRow");

     // Kick off a sync. That way the server will have the most recent data from

     // this computer and it will show up immediately on the new device.

     Weave.Service.scheduler.scheduleNextSync(0);

   },

   onPageShow: function onPageShow() {

     this.wizard.getButton("back").hidden = true;

     switch (this.wizard.pageIndex) {

       case ADD_DEVICE_PAGE:

         this.onTextBoxInput();

         this.wizard.canRewind = false;

         this.wizard.getButton("next").hidden = false;

         this.pin1.focus();

         break;

       case SYNC_KEY_PAGE:

         this.wizard.canAdvance = false;

         this.wizard.canRewind = true;

         this.wizard.getButton("back").hidden = false;

         this.wizard.getButton("next").hidden = true;

         document.getElementById("weavePassphrase").value =

           Weave.Utils.hyphenatePassphrase(Weave.Service.identity.syncKey);

         break;

       case DEVICE_CONNECTED_PAGE:

         this.wizard.canAdvance = true;

         this.wizard.canRewind = false;

         this.wizard.getButton("cancel").hidden = true;

         break;

     }

   },

   onWizardAdvance: function onWizardAdvance() {

     switch (this.wizard.pageIndex) {

       case ADD_DEVICE_PAGE:

         this.startTransfer();

         return false;

       case DEVICE_CONNECTED_PAGE:

         window.close();

         return false;

     }

     return true;

   },

   startTransfer: function startTransfer() {

     this.errorRow.hidden = true;

     // When onAbort is called, Weave may already be gone.

     const JPAKE_ERROR_USERABORT = Weave.JPAKE_ERROR_USERABORT;

     let self = this;

     let jpakeclient = this._jpakeclient = new Weave.JPAKEClient({

       onPaired: function onPaired() {

         let credentials = {account:   Weave.Service.identity.account,

                            password:  Weave.Service.identity.basicPassword,

                            synckey:   Weave.Service.identity.syncKey,

                            serverURL: Weave.Service.serverURL};

         jpakeclient.sendAndComplete(credentials);

       },

       onComplete: function onComplete() {

         delete self._jpakeclient;

         self.wizard.pageIndex = DEVICE_CONNECTED_PAGE;

         // Schedule a Sync for soonish to fetch the data uploaded by the

         // device with which we just paired.

         Weave.Service.scheduler.scheduleNextSync(Weave.Service.scheduler.activeInterval);

       },

       onAbort: function onAbort(error) {

         delete self._jpakeclient;

         // Aborted by user, ignore.

         if (error == JPAKE_ERROR_USERABORT) {

           return;

         }

         self.errorRow.hidden = false;

         self.throbber.hidden = true;

         self.pin1.value = self.pin2.value = self.pin3.value = "";

         self.pin1.disabled = self.pin2.disabled = self.pin3.disabled = false;

         self.pin1.focus();

       }

     });

     this.throbber.hidden = false;

     this.pin1.disabled = this.pin2.disabled = this.pin3.disabled = true;

     this.wizard.canAdvance = false;

     let pin = this.pin1.value + this.pin2.value + this.pin3.value;

     let expectDelay = false;

     jpakeclient.pairWithPIN(pin, expectDelay);

   },

   onWizardBack: function onWizardBack() {

     if (this.wizard.pageIndex != SYNC_KEY_PAGE)

       return true;

     this.wizard.pageIndex = ADD_DEVICE_PAGE;

     return false;

   },

   onWizardCancel: function onWizardCancel() {

     if (this._jpakeclient) {

       this._jpakeclient.abort();

       delete this._jpakeclient;

     }

     return true;

   },

   onTextBoxInput: function onTextBoxInput(textbox) {

     if (textbox && textbox.value.length == PIN_PART_LENGTH)

       this.nextFocusEl[textbox.id].focus();

     this.wizard.canAdvance = (this.pin1.value.length == PIN_PART_LENGTH

                               && this.pin2.value.length == PIN_PART_LENGTH

                               && this.pin3.value.length == PIN_PART_LENGTH);

   },

   goToSyncKeyPage: function goToSyncKeyPage() {

     this.wizard.pageIndex = SYNC_KEY_PAGE;

   }

 };

 // onWizardAdvance() and onPageShow() are run before init() so we'll set

 // these up as lazy getters.

 ["wizard", "pin1", "pin2", "pin3"].forEach(function (id) {

   XPCOMUtils.defineLazyGetter(gSyncAddDevice, id, function() {

     return document.getElementById(id);

   });

 });