The Tor Browser: browser/base/content/sync/setup.js@8bccb770b82d (annotated)

browser/base/content/sync/setup.js@8bccb770b82d (annotated)

browser/base/content/sync/setup.js

Wed, 31 Dec 2014 13:27:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 13:27:57 +0100
branch: TOR_BUG_3246
changeset 6: 8bccb770b82d
permissions: -rw-r--r--

Ignore runtime configuration files generated during quality assurance.

 // -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
 /* 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;
 // page consts
 const PAIR_PAGE                     = 0;
 const INTRO_PAGE                    = 1;
 const NEW_ACCOUNT_START_PAGE        = 2;
 const EXISTING_ACCOUNT_CONNECT_PAGE = 3;
 const EXISTING_ACCOUNT_LOGIN_PAGE   = 4;
 const OPTIONS_PAGE                  = 5;
 const OPTIONS_CONFIRM_PAGE          = 6;
 // Broader than we'd like, but after this changed from api-secure.recaptcha.net
 // we had no choice. At least we only do this for the duration of setup.
 // See discussion in Bugs 508112 and 653307.
 const RECAPTCHA_DOMAIN = "https://www.google.com";
 const PIN_PART_LENGTH = 4;
 Cu.import("resource://services-sync/main.js");
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://gre/modules/PlacesUtils.jsm");
 Cu.import("resource://gre/modules/PluralForm.jsm");
 function setVisibility(element, visible) {
   element.style.visibility = visible ? "visible" : "hidden";
 }
 var gSyncSetup = {
   QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports,
                                          Ci.nsIWebProgressListener,
                                          Ci.nsISupportsWeakReference]),
   captchaBrowser: null,
   wizard: null,
   _disabledSites: [],
   status: {
     password: false,
     email: false,
     server: false
   },
   get _remoteSites() [Weave.Service.serverURL, RECAPTCHA_DOMAIN],
   get _usingMainServers() {
     if (this._settingUpNew)
       return document.getElementById("server").selectedIndex == 0;
     return document.getElementById("existingServer").selectedIndex == 0;
   },
   init: function () {
     let obs = [
       ["weave:service:change-passphrase", "onResetPassphrase"],
       ["weave:service:login:start",       "onLoginStart"],
       ["weave:service:login:error",       "onLoginEnd"],
       ["weave:service:login:finish",      "onLoginEnd"]];
     // Add the observers now and remove them on unload
     let self = this;
     let addRem = function(add) {
       obs.forEach(function([topic, func]) {
         //XXXzpao This should use Services.obs.* but Weave's Obs does nice handling
         //        of `this`. Fix in a followup. (bug 583347)
         if (add)
           Weave.Svc.Obs.add(topic, self[func], self);
         else
           Weave.Svc.Obs.remove(topic, self[func], self);
       });
     };
     addRem(true);
     window.addEventListener("unload", function() addRem(false), false);
     window.setTimeout(function () {
       // Force Service to be loaded so that engines are registered.
       // See Bug 670082.
       Weave.Service;
     }, 0);
     this.captchaBrowser = document.getElementById("captcha");
     this.wizardType = null;
     if (window.arguments && window.arguments[0]) {
       this.wizardType = window.arguments[0];
     }
     switch (this.wizardType) {
       case null:
         this.wizard.pageIndex = INTRO_PAGE;
         // Fall through!
       case "pair":
         this.captchaBrowser.addProgressListener(this);
         Weave.Svc.Prefs.set("firstSync", "notReady");
         break;
       case "reset":
         this._resettingSync = true;
         this.wizard.pageIndex = OPTIONS_PAGE;
         break;
     }
     this.wizard.getButton("extra1").label =
       this._stringBundle.GetStringFromName("button.syncOptions.label");
     // Remember these values because the options pages change them temporarily.
     this._nextButtonLabel = this.wizard.getButton("next").label;
     this._nextButtonAccesskey = this.wizard.getButton("next")
                                            .getAttribute("accesskey");
     this._backButtonLabel = this.wizard.getButton("back").label;
     this._backButtonAccesskey = this.wizard.getButton("back")
                                            .getAttribute("accesskey");
   },
   startNewAccountSetup: function () {
     if (!Weave.Utils.ensureMPUnlocked())
       return false;
     this._settingUpNew = true;
     this.wizard.pageIndex = NEW_ACCOUNT_START_PAGE;
   },
   useExistingAccount: function () {
     if (!Weave.Utils.ensureMPUnlocked())
       return false;
     this._settingUpNew = false;
     if (this.wizardType == "pair") {
       // We're already pairing, so there's no point in pairing again.
       // Go straight to the manual login page.
       this.wizard.pageIndex = EXISTING_ACCOUNT_LOGIN_PAGE;
     } else {
       this.wizard.pageIndex = EXISTING_ACCOUNT_CONNECT_PAGE;
     }
   },
   resetPassphrase: function resetPassphrase() {
     // Apply the existing form fields so that
     // Weave.Service.changePassphrase() has the necessary credentials.
     Weave.Service.identity.account = document.getElementById("existingAccountName").value;
     Weave.Service.identity.basicPassword = document.getElementById("existingPassword").value;
     // Generate a new passphrase so that Weave.Service.login() will
     // actually do something.
     let passphrase = Weave.Utils.generatePassphrase();
     Weave.Service.identity.syncKey = passphrase;
     // Only open the dialog if username + password are actually correct.
     Weave.Service.login();
     if ([Weave.LOGIN_FAILED_INVALID_PASSPHRASE,
          Weave.LOGIN_FAILED_NO_PASSPHRASE,
          Weave.LOGIN_SUCCEEDED].indexOf(Weave.Status.login) == -1) {
       return;
     }
     // Hide any errors about the passphrase, we know it's not right.
     let feedback = document.getElementById("existingPassphraseFeedbackRow");
     feedback.hidden = true;
     let el = document.getElementById("existingPassphrase");
     el.value = Weave.Utils.hyphenatePassphrase(passphrase);
     // changePassphrase() will sync, make sure we set the "firstSync" pref
     // according to the user's pref.
     Weave.Svc.Prefs.reset("firstSync");
     this.setupInitialSync();
     gSyncUtils.resetPassphrase(true);
   },
   onResetPassphrase: function () {
     document.getElementById("existingPassphrase").value =
       Weave.Utils.hyphenatePassphrase(Weave.Service.identity.syncKey);
     this.checkFields();
     this.wizard.advance();
   },
   onLoginStart: function () {
     this.toggleLoginFeedback(false);
   },
   onLoginEnd: function () {
     this.toggleLoginFeedback(true);
   },
   sendCredentialsAfterSync: function () {
     let send = function() {
       Services.obs.removeObserver("weave:service:sync:finish", send);
       Services.obs.removeObserver("weave:service:sync:error", send);
       let credentials = {account:   Weave.Service.identity.account,
                          password:  Weave.Service.identity.basicPassword,
                          synckey:   Weave.Service.identity.syncKey,
                          serverURL: Weave.Service.serverURL};
       this._jpakeclient.sendAndComplete(credentials);
     }.bind(this);
     Services.obs.addObserver("weave:service:sync:finish", send, false);
     Services.obs.addObserver("weave:service:sync:error", send, false);
   },
   toggleLoginFeedback: function (stop) {
     document.getElementById("login-throbber").hidden = stop;
     let password = document.getElementById("existingPasswordFeedbackRow");
     let server = document.getElementById("existingServerFeedbackRow");
     let passphrase = document.getElementById("existingPassphraseFeedbackRow");
     if (!stop || (Weave.Status.login == Weave.LOGIN_SUCCEEDED)) {
       password.hidden = server.hidden = passphrase.hidden = true;
       return;
     }
     let feedback;
     switch (Weave.Status.login) {
       case Weave.LOGIN_FAILED_NETWORK_ERROR:
       case Weave.LOGIN_FAILED_SERVER_ERROR:
         feedback = server;
         break;
       case Weave.LOGIN_FAILED_LOGIN_REJECTED:
       case Weave.LOGIN_FAILED_NO_USERNAME:
       case Weave.LOGIN_FAILED_NO_PASSWORD:
         feedback = password;
         break;
       case Weave.LOGIN_FAILED_INVALID_PASSPHRASE:
         feedback = passphrase;
         break;
     }
     this._setFeedbackMessage(feedback, false, Weave.Status.login);
   },
   setupInitialSync: function () {
     let action = document.getElementById("mergeChoiceRadio").selectedItem.id;
     switch (action) {
       case "resetClient":
         // if we're not resetting sync, we don't need to explicitly
         // call resetClient
         if (!this._resettingSync)
           return;
         // otherwise, fall through
       case "wipeClient":
       case "wipeRemote":
         Weave.Svc.Prefs.set("firstSync", action);
         break;
     }
   },
   // fun with validation!
   checkFields: function () {
     this.wizard.canAdvance = this.readyToAdvance();
   },
   readyToAdvance: function () {
     switch (this.wizard.pageIndex) {
       case INTRO_PAGE:
         return false;
       case NEW_ACCOUNT_START_PAGE:
         for (let i in this.status) {
           if (!this.status[i])
             return false;
         }
         if (this._usingMainServers)
           return document.getElementById("tos").checked;
         return true;
       case EXISTING_ACCOUNT_LOGIN_PAGE:
         let hasUser = document.getElementById("existingAccountName").value != "";
         let hasPass = document.getElementById("existingPassword").value != "";
         let hasKey = document.getElementById("existingPassphrase").value != "";
         if (hasUser && hasPass && hasKey) {
           if (this._usingMainServers)
             return true;
           if (this._validateServer(document.getElementById("existingServer"))) {
             return true;
           }
         }
         return false;
     }
     // Default, e.g. wizard's special page -1 etc.
     return true;
   },
   onPINInput: function onPINInput(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);
   },
   onEmailInput: function () {
     // Check account validity when the user stops typing for 1 second.
     if (this._checkAccountTimer)
       window.clearTimeout(this._checkAccountTimer);
     this._checkAccountTimer = window.setTimeout(function () {
       gSyncSetup.checkAccount();
     }, 1000);
   },
   checkAccount: function() {
     delete this._checkAccountTimer;
     let value = Weave.Utils.normalizeAccount(
       document.getElementById("weaveEmail").value);
     if (!value) {
       this.status.email = false;
       this.checkFields();
       return;
     }
     let re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
     let feedback = document.getElementById("emailFeedbackRow");
     let valid = re.test(value);
     let str = "";
     if (!valid) {
       str = "invalidEmail.label";
     } else {
       let availCheck = Weave.Service.checkAccount(value);
       valid = availCheck == "available";
       if (!valid) {
         if (availCheck == "notAvailable")
           str = "usernameNotAvailable.label";
         else
           str = availCheck;
       }
     }
     this._setFeedbackMessage(feedback, valid, str);
     this.status.email = valid;
     if (valid)
       Weave.Service.identity.account = value;
     this.checkFields();
   },
   onPasswordChange: function () {
     let password = document.getElementById("weavePassword");
     let pwconfirm = document.getElementById("weavePasswordConfirm");
     let [valid, errorString] = gSyncUtils.validatePassword(password, pwconfirm);
     let feedback = document.getElementById("passwordFeedbackRow");
     this._setFeedback(feedback, valid, errorString);
     this.status.password = valid;
     this.checkFields();
   },
   onPageShow: function() {
     switch (this.wizard.pageIndex) {
       case PAIR_PAGE:
         this.wizard.getButton("back").hidden = true;
         this.wizard.getButton("extra1").hidden = true;
         this.onPINInput();
         this.pin1.focus();
         break;
       case INTRO_PAGE:
         // We may not need the captcha in the Existing Account branch of the
         // wizard. However, we want to preload it to avoid any flickering while
         // the Create Account page is shown.
         this.loadCaptcha();
         this.wizard.getButton("next").hidden = true;
         this.wizard.getButton("back").hidden = true;
         this.wizard.getButton("extra1").hidden = true;
         this.checkFields();
         break;
       case NEW_ACCOUNT_START_PAGE:
         this.wizard.getButton("extra1").hidden = false;
         this.wizard.getButton("next").hidden = false;
         this.wizard.getButton("back").hidden = false;
         this.onServerCommand();
         this.wizard.canRewind = true;
         this.checkFields();
         break;
       case EXISTING_ACCOUNT_CONNECT_PAGE:
         Weave.Svc.Prefs.set("firstSync", "existingAccount");
         this.wizard.getButton("next").hidden = false;
         this.wizard.getButton("back").hidden = false;
         this.wizard.getButton("extra1").hidden = false;
         this.wizard.canAdvance = false;
         this.wizard.canRewind = true;
         this.startEasySetup();
         break;
       case EXISTING_ACCOUNT_LOGIN_PAGE:
         this.wizard.getButton("next").hidden = false;
         this.wizard.getButton("back").hidden = false;
         this.wizard.getButton("extra1").hidden = false;
         this.wizard.canRewind = true;
         this.checkFields();
         break;
       case OPTIONS_PAGE:
         this.wizard.canRewind = false;
         this.wizard.canAdvance = true;
         if (!this._resettingSync) {
           this.wizard.getButton("next").label =
             this._stringBundle.GetStringFromName("button.syncOptionsDone.label");
           this.wizard.getButton("next").removeAttribute("accesskey");
         }
         this.wizard.getButton("next").hidden = false;
         this.wizard.getButton("back").hidden = true;
         this.wizard.getButton("cancel").hidden = !this._resettingSync;
         this.wizard.getButton("extra1").hidden = true;
         document.getElementById("syncComputerName").value = Weave.Service.clientsEngine.localName;
         document.getElementById("syncOptions").collapsed = this._resettingSync;
         document.getElementById("mergeOptions").collapsed = this._settingUpNew;
         break;
       case OPTIONS_CONFIRM_PAGE:
         this.wizard.canRewind = true;
         this.wizard.canAdvance = true;
         this.wizard.getButton("back").label =
           this._stringBundle.GetStringFromName("button.syncOptionsCancel.label");
         this.wizard.getButton("back").removeAttribute("accesskey");
         this.wizard.getButton("back").hidden = this._resettingSync;
         this.wizard.getButton("next").hidden = false;
         this.wizard.getButton("finish").hidden = true;
         break;
     }
   },
   onWizardAdvance: function () {
     // Check pageIndex so we don't prompt before the Sync setup wizard appears.
     // This is a fallback in case the Master Password gets locked mid-wizard.
     if ((this.wizard.pageIndex >= 0) &&
         !Weave.Utils.ensureMPUnlocked()) {
       return false;
     }
     switch (this.wizard.pageIndex) {
       case PAIR_PAGE:
         this.startPairing();
         return false;
       case NEW_ACCOUNT_START_PAGE:
         // If the user selects Next (e.g. by hitting enter) when we haven't
         // executed the delayed checks yet, execute them immediately.
         if (this._checkAccountTimer) {
           this.checkAccount();
         }
         if (this._checkServerTimer) {
           this.checkServer();
         }
         if (!this.wizard.canAdvance) {
           return false;
         }
         let doc = this.captchaBrowser.contentDocument;
         let getField = function getField(field) {
           let node = doc.getElementById("recaptcha_" + field + "_field");
           return node && node.value;
         };
         // Display throbber
         let feedback = document.getElementById("captchaFeedback");
         let image = feedback.firstChild;
         let label = image.nextSibling;
         image.setAttribute("status", "active");
         label.value = this._stringBundle.GetStringFromName("verifying.label");
         setVisibility(feedback, true);
         let password = document.getElementById("weavePassword").value;
         let email = Weave.Utils.normalizeAccount(
           document.getElementById("weaveEmail").value);
         let challenge = getField("challenge");
         let response = getField("response");
         let error = Weave.Service.createAccount(email, password,
                                                 challenge, response);
         if (error == null) {
           Weave.Service.identity.account = email;
           Weave.Service.identity.basicPassword = password;
           Weave.Service.identity.syncKey = Weave.Utils.generatePassphrase();
           this._handleNoScript(false);
           Weave.Svc.Prefs.set("firstSync", "newAccount");
 #ifdef XP_WIN
 #ifdef MOZ_METRO
           if (document.getElementById("metroSetupCheckbox").checked) {
             Services.metro.storeSyncInfo(email, password, Weave.Service.identity.syncKey);
           }
 #endif
 #endif
           this.wizardFinish();
           return false;
         }
         image.setAttribute("status", "error");
         label.value = Weave.Utils.getErrorString(error);
         return false;
       case EXISTING_ACCOUNT_LOGIN_PAGE:
         Weave.Service.identity.account = Weave.Utils.normalizeAccount(
           document.getElementById("existingAccountName").value);
         Weave.Service.identity.basicPassword =
           document.getElementById("existingPassword").value;
         let pp = document.getElementById("existingPassphrase").value;
         Weave.Service.identity.syncKey = Weave.Utils.normalizePassphrase(pp);
         if (Weave.Service.login()) {
           this.wizardFinish();
         }
         return false;
       case OPTIONS_PAGE:
         let desc = document.getElementById("mergeChoiceRadio").selectedIndex;
         // No confirmation needed on new account setup or merge option
         // with existing account.
         if (this._settingUpNew || (!this._resettingSync && desc == 0))
           return this.returnFromOptions();
         return this._handleChoice();
       case OPTIONS_CONFIRM_PAGE:
         if (this._resettingSync) {
           this.wizardFinish();
           return false;
         }
         return this.returnFromOptions();
     }
     return true;
   },
   onWizardBack: function () {
     switch (this.wizard.pageIndex) {
       case NEW_ACCOUNT_START_PAGE:
       case EXISTING_ACCOUNT_LOGIN_PAGE:
         this.wizard.pageIndex = INTRO_PAGE;
         return false;
       case EXISTING_ACCOUNT_CONNECT_PAGE:
         this.abortEasySetup();
         this.wizard.pageIndex = INTRO_PAGE;
         return false;
       case EXISTING_ACCOUNT_LOGIN_PAGE:
         // If we were already pairing on entry, we went straight to the manual
         // login page. If subsequently we go back, return to the page that lets
         // us choose whether we already have an account.
         if (this.wizardType == "pair") {
           this.wizard.pageIndex = INTRO_PAGE;
           return false;
         }
         return true;
       case OPTIONS_CONFIRM_PAGE:
         // Backing up from the confirmation page = resetting first sync to merge.
         document.getElementById("mergeChoiceRadio").selectedIndex = 0;
         return this.returnFromOptions();
     }
     return true;
   },
   wizardFinish: function () {
     this.setupInitialSync();
     if (this.wizardType == "pair") {
       this.completePairing();
     }
     if (!this._resettingSync) {
       function isChecked(element) {
         return document.getElementById(element).hasAttribute("checked");
       }
       let prefs = ["engine.bookmarks", "engine.passwords", "engine.history",
                    "engine.tabs", "engine.prefs", "engine.addons"];
       for (let i = 0;i < prefs.length;i++) {
         Weave.Svc.Prefs.set(prefs[i], isChecked(prefs[i]));
       }
       this._handleNoScript(false);
       if (Weave.Svc.Prefs.get("firstSync", "") == "notReady")
         Weave.Svc.Prefs.reset("firstSync");
       Weave.Service.persistLogin();
       Weave.Svc.Obs.notify("weave:service:setup-complete");
       gSyncUtils.openFirstSyncProgressPage();
     }
     Weave.Utils.nextTick(Weave.Service.sync, Weave.Service);
     window.close();
   },
   onWizardCancel: function () {
     if (this._resettingSync)
       return;
     this.abortEasySetup();
     this._handleNoScript(false);
     Weave.Service.startOver();
   },
   onSyncOptions: function () {
     this._beforeOptionsPage = this.wizard.pageIndex;
     this.wizard.pageIndex = OPTIONS_PAGE;
   },
   returnFromOptions: function() {
     this.wizard.getButton("next").label = this._nextButtonLabel;
     this.wizard.getButton("next").setAttribute("accesskey",
                                                this._nextButtonAccesskey);
     this.wizard.getButton("back").label = this._backButtonLabel;
     this.wizard.getButton("back").setAttribute("accesskey",
                                                this._backButtonAccesskey);
     this.wizard.getButton("cancel").hidden = false;
     this.wizard.getButton("extra1").hidden = false;
     this.wizard.pageIndex = this._beforeOptionsPage;
     return false;
   },
   startPairing: function startPairing() {
     this.pairDeviceErrorRow.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() {
         self.wizard.pageIndex = INTRO_PAGE;
       },
       onComplete: function onComplete() {
         // This method will never be called since SendCredentialsController
         // will take over after the wizard completes.
       },
       onAbort: function onAbort(error) {
         delete self._jpakeclient;
         // Aborted by user, ignore. The window is almost certainly going to close
         // or is already closed.
         if (error == JPAKE_ERROR_USERABORT) {
           return;
         }
         self.pairDeviceErrorRow.hidden = false;
         self.pairDeviceThrobber.hidden = true;
         self.pin1.value = self.pin2.value = self.pin3.value = "";
         self.pin1.disabled = self.pin2.disabled = self.pin3.disabled = false;
         if (self.wizard.pageIndex == PAIR_PAGE) {
           self.pin1.focus();
         }
       }
     });
     this.pairDeviceThrobber.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 = true;
     jpakeclient.pairWithPIN(pin, expectDelay);
   },
   completePairing: function completePairing() {
     if (!this._jpakeclient) {
       // The channel was aborted while we were setting up the account
       // locally. XXX TODO should we do anything here, e.g. tell
       // the user on the last wizard page that it's ok, they just
       // have to pair again?
       return;
     }
     let controller = new Weave.SendCredentialsController(this._jpakeclient,
                                                          Weave.Service);
     this._jpakeclient.controller = controller;
   },
   startEasySetup: function () {
     // Don't do anything if we have a client already (e.g. we went to
     // Sync Options and just came back).
     if (this._jpakeclient)
       return;
     // When onAbort is called, Weave may already be gone
     const JPAKE_ERROR_USERABORT = Weave.JPAKE_ERROR_USERABORT;
     let self = this;
     this._jpakeclient = new Weave.JPAKEClient({
       displayPIN: function displayPIN(pin) {
         document.getElementById("easySetupPIN1").value = pin.slice(0, 4);
         document.getElementById("easySetupPIN2").value = pin.slice(4, 8);
         document.getElementById("easySetupPIN3").value = pin.slice(8);
       },
       onPairingStart: function onPairingStart() {},
       onComplete: function onComplete(credentials) {
         Weave.Service.identity.account = credentials.account;
         Weave.Service.identity.basicPassword = credentials.password;
         Weave.Service.identity.syncKey = credentials.synckey;
         Weave.Service.serverURL = credentials.serverURL;
         gSyncSetup.wizardFinish();
       },
       onAbort: function onAbort(error) {
         delete self._jpakeclient;
         // Ignore if wizard is aborted.
         if (error == JPAKE_ERROR_USERABORT)
           return;
         // Automatically go to manual setup if we couldn't acquire a channel.
         if (error == Weave.JPAKE_ERROR_CHANNEL) {
           self.wizard.pageIndex = EXISTING_ACCOUNT_LOGIN_PAGE;
           return;
         }
         // Restart on all other errors.
         self.startEasySetup();
       }
     });
     this._jpakeclient.receiveNoPIN();
   },
   abortEasySetup: function () {
     document.getElementById("easySetupPIN1").value = "";
     document.getElementById("easySetupPIN2").value = "";
     document.getElementById("easySetupPIN3").value = "";
     if (!this._jpakeclient)
       return;
     this._jpakeclient.abort();
     delete this._jpakeclient;
   },
   manualSetup: function () {
     this.abortEasySetup();
     this.wizard.pageIndex = EXISTING_ACCOUNT_LOGIN_PAGE;
   },
   // _handleNoScript is needed because it blocks the captcha. So we temporarily
   // allow the necessary sites so that we can verify the user is in fact a human.
   // This was done with the help of Giorgio (NoScript author). See bug 508112.
   _handleNoScript: function (addExceptions) {
     // if NoScript isn't installed, or is disabled, bail out.
     let ns = Cc["@maone.net/noscript-service;1"];
     if (ns == null)
       return;
     ns = ns.getService().wrappedJSObject;
     if (addExceptions) {
       this._remoteSites.forEach(function(site) {
         site = ns.getSite(site);
         if (!ns.isJSEnabled(site)) {
           this._disabledSites.push(site); // save status
           ns.setJSEnabled(site, true); // allow site
         }
       }, this);
     }
     else {
       this._disabledSites.forEach(function(site) {
         ns.setJSEnabled(site, false);
       });
       this._disabledSites = [];
     }
   },
   onExistingServerCommand: function () {
     let control = document.getElementById("existingServer");
     if (control.selectedIndex == 0) {
       control.removeAttribute("editable");
       Weave.Svc.Prefs.reset("serverURL");
     } else {
       control.setAttribute("editable", "true");
       // Force a style flush to ensure that the binding is attached.
       control.clientTop;
       control.value = "";
       control.inputField.focus();
     }
     document.getElementById("existingServerFeedbackRow").hidden = true;
     this.checkFields();
   },
   onExistingServerInput: function () {
     // Check custom server validity when the user stops typing for 1 second.
     if (this._existingServerTimer)
       window.clearTimeout(this._existingServerTimer);
     this._existingServerTimer = window.setTimeout(function () {
       gSyncSetup.checkFields();
     }, 1000);
   },
   onServerCommand: function () {
     setVisibility(document.getElementById("TOSRow"), this._usingMainServers);
     let control = document.getElementById("server");
     if (!this._usingMainServers) {
       control.setAttribute("editable", "true");
       // Force a style flush to ensure that the binding is attached.
       control.clientTop;
       control.value = "";
       control.inputField.focus();
       // checkServer() will call checkAccount() and checkFields().
       this.checkServer();
       return;
     }
     control.removeAttribute("editable");
     Weave.Svc.Prefs.reset("serverURL");
     if (this._settingUpNew) {
       this.loadCaptcha();
     }
     this.checkAccount();
     this.status.server = true;
     document.getElementById("serverFeedbackRow").hidden = true;
     this.checkFields();
   },
   onServerInput: function () {
     // Check custom server validity when the user stops typing for 1 second.
     if (this._checkServerTimer)
       window.clearTimeout(this._checkServerTimer);
     this._checkServerTimer = window.setTimeout(function () {
       gSyncSetup.checkServer();
     }, 1000);
   },
   checkServer: function () {
     delete this._checkServerTimer;
     let el = document.getElementById("server");
     let valid = false;
     let feedback = document.getElementById("serverFeedbackRow");
     let str = "";
     if (el.value) {
       valid = this._validateServer(el);
       let str = valid ? "" : "serverInvalid.label";
       this._setFeedbackMessage(feedback, valid, str);
     }
     else
       this._setFeedbackMessage(feedback, true);
     // Recheck account against the new server.
     if (valid)
       this.checkAccount();
     this.status.server = valid;
     this.checkFields();
   },
   _validateServer: function (element) {
     let valid = false;
     let val = element.value;
     if (!val)
       return false;
     let uri = Weave.Utils.makeURI(val);
     if (!uri)
       uri = Weave.Utils.makeURI("https://" + val);
     if (uri && this._settingUpNew) {
       function isValid(uri) {
         Weave.Service.serverURL = uri.spec;
         let check = Weave.Service.checkAccount("a");
         return (check == "available" || check == "notAvailable");
       }
       if (uri.schemeIs("http")) {
         uri.scheme = "https";
         if (isValid(uri))
           valid = true;
         else
           // setting the scheme back to http
           uri.scheme = "http";
       }
       if (!valid)
         valid = isValid(uri);
       if (valid) {
         this.loadCaptcha();
       }
     }
     else if (uri) {
       valid = true;
       Weave.Service.serverURL = uri.spec;
     }
     if (valid)
       element.value = Weave.Service.serverURL;
     else
       Weave.Svc.Prefs.reset("serverURL");
     return valid;
   },
   _handleChoice: function () {
     let desc = document.getElementById("mergeChoiceRadio").selectedIndex;
     document.getElementById("chosenActionDeck").selectedIndex = desc;
     switch (desc) {
       case 1:
         if (this._case1Setup)
           break;
         let places_db = PlacesUtils.history
                                    .QueryInterface(Ci.nsPIPlacesDatabase)
                                    .DBConnection;
         if (Weave.Service.engineManager.get("history").enabled) {
           let daysOfHistory = 0;
           let stm = places_db.createStatement(
             "SELECT ROUND(( " +
               "strftime('%s','now','localtime','utc') - " +
               "( " +
                 "SELECT visit_date FROM moz_historyvisits " +
                 "ORDER BY visit_date ASC LIMIT 1 " +
                 ")/1000000 " +
               ")/86400) AS daysOfHistory ");
           if (stm.step())
             daysOfHistory = stm.getInt32(0);
           // Support %S for historical reasons (see bug 600141)
           document.getElementById("historyCount").value =
             PluralForm.get(daysOfHistory,
                            this._stringBundle.GetStringFromName("historyDaysCount.label"))
                       .replace("%S", daysOfHistory)
                       .replace("#1", daysOfHistory);
         } else {
           document.getElementById("historyCount").hidden = true;
         }
         if (Weave.Service.engineManager.get("bookmarks").enabled) {
           let bookmarks = 0;
           let stm = places_db.createStatement(
             "SELECT count(*) AS bookmarks " +
             "FROM moz_bookmarks b " +
             "LEFT JOIN moz_bookmarks t ON " +
             "b.parent = t.id WHERE b.type = 1 AND t.parent <> :tag");
           stm.params.tag = PlacesUtils.tagsFolderId;
           if (stm.executeStep())
             bookmarks = stm.row.bookmarks;
           // Support %S for historical reasons (see bug 600141)
           document.getElementById("bookmarkCount").value =
             PluralForm.get(bookmarks,
                            this._stringBundle.GetStringFromName("bookmarksCount.label"))
                       .replace("%S", bookmarks)
                       .replace("#1", bookmarks);
         } else {
           document.getElementById("bookmarkCount").hidden = true;
         }
         if (Weave.Service.engineManager.get("passwords").enabled) {
           let logins = Services.logins.getAllLogins({});
           // Support %S for historical reasons (see bug 600141)
           document.getElementById("passwordCount").value =
             PluralForm.get(logins.length,
                            this._stringBundle.GetStringFromName("passwordsCount.label"))
                       .replace("%S", logins.length)
                       .replace("#1", logins.length);
         } else {
           document.getElementById("passwordCount").hidden = true;
         }
         if (!Weave.Service.engineManager.get("prefs").enabled) {
           document.getElementById("prefsWipe").hidden = true;
         }
         let addonsEngine = Weave.Service.engineManager.get("addons");
         if (addonsEngine.enabled) {
           let ids = addonsEngine._store.getAllIDs();
           let blessedcount = 0;
           for each (let i in ids) {
             if (i) {
               blessedcount++;
             }
           }
           // bug 600141 does not apply, as this does not have to support existing strings
           document.getElementById("addonCount").value =
             PluralForm.get(blessedcount,
                            this._stringBundle.GetStringFromName("addonsCount.label"))
                       .replace("#1", blessedcount);
         } else {
           document.getElementById("addonCount").hidden = true;
         }
         this._case1Setup = true;
         break;
       case 2:
         if (this._case2Setup)
           break;
         let count = 0;
         function appendNode(label) {
           let box = document.getElementById("clientList");
           let node = document.createElement("label");
           node.setAttribute("value", label);
           node.setAttribute("class", "data indent");
           box.appendChild(node);
         }
         for each (let name in Weave.Service.clientsEngine.stats.names) {
           // Don't list the current client
           if (name == Weave.Service.clientsEngine.localName)
             continue;
           // Only show the first several client names
           if (++count <= 5)
             appendNode(name);
         }
         if (count > 5) {
           // Support %S for historical reasons (see bug 600141)
           let label =
             PluralForm.get(count - 5,
                            this._stringBundle.GetStringFromName("additionalClientCount.label"))
                       .replace("%S", count - 5)
                       .replace("#1", count - 5);
           appendNode(label);
         }
         this._case2Setup = true;
         break;
     }
     return true;
   },
   // sets class and string on a feedback element
   // if no property string is passed in, we clear label/style
   _setFeedback: function (element, success, string) {
     element.hidden = success || !string;
     let classname = success ? "success" : "error";
     let image = element.getElementsByAttribute("class", "statusIcon")[0];
     image.setAttribute("status", classname);
     let label = element.getElementsByAttribute("class", "status")[0];
     label.value = string;
   },
   // shim
   _setFeedbackMessage: function (element, success, string) {
     let str = "";
     if (string) {
       try {
         str = this._stringBundle.GetStringFromName(string);
       } catch(e) {}
       if (!str)
         str = Weave.Utils.getErrorString(string);
     }
     this._setFeedback(element, success, str);
   },
   loadCaptcha: function loadCaptcha() {
     let captchaURI = Weave.Service.miscAPI + "captcha_html";
     // First check for NoScript and whitelist the right sites.
     this._handleNoScript(true);
     if (this.captchaBrowser.currentURI.spec != captchaURI) {
       this.captchaBrowser.loadURI(captchaURI);
     }
   },
   onStateChange: function(webProgress, request, stateFlags, status) {
     // We're only looking for the end of the frame load
     if ((stateFlags & Ci.nsIWebProgressListener.STATE_STOP) == 0)
       return;
     if ((stateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK) == 0)
       return;
     if ((stateFlags & Ci.nsIWebProgressListener.STATE_IS_WINDOW) == 0)
       return;
     // If we didn't find a captcha, assume it's not needed and don't show it.
     let responseStatus = request.QueryInterface(Ci.nsIHttpChannel).responseStatus;
     setVisibility(this.captchaBrowser, responseStatus != 404);
     //XXX TODO we should really log any responseStatus other than 200
   },
   onProgressChange: function() {},
   onStatusChange: function() {},
   onSecurityChange: function() {},
   onLocationChange: function () {}
 };
 // Define lazy getters for various XUL elements.
 //
 // onWizardAdvance() and onPageShow() are run before init(), so we'll even
 // define things that will almost certainly be used (like 'wizard') as a lazy
 // getter here.
 ["wizard",
  "pin1",
  "pin2",
  "pin3",
  "pairDeviceErrorRow",
  "pairDeviceThrobber"].forEach(function (id) {
   XPCOMUtils.defineLazyGetter(gSyncSetup, id, function() {
     return document.getElementById(id);
   });
 });
 XPCOMUtils.defineLazyGetter(gSyncSetup, "nextFocusEl", function () {
   return {pin1: this.pin2,
           pin2: this.pin3,
           pin3: this.wizard.getButton("next")};
 });
 XPCOMUtils.defineLazyGetter(gSyncSetup, "_stringBundle", function() {
   return Services.strings.createBundle("chrome://browser/locale/syncSetup.properties");
 });