From 78e60728f9c7a441456cde4becd44cbaeaba9c8c Mon Sep 17 00:00:00 2001
From: Javier <javier@bitpay.com>
Date: Thu, 16 Jun 2016 13:53:44 -0300
Subject: [PATCH] display fingerprint in backup

---
 public/views/backup.html     |  4 ++--
 src/js/controllers/backup.js | 27 ++++++++++++++++++++-------
 2 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/public/views/backup.html b/public/views/backup.html
index d572c9129..ec7d46698 100644
--- a/public/views/backup.html
+++ b/public/views/backup.html
@@ -1,4 +1,4 @@
-<div class="backup" ng-controller="backupController" ng-init="init()">
+<div class="backup" ng-controller="backupController" ng-init="init(index.prevState)">
   <nav class="tab-bar">
     <section class="left-small" ng-show="(step != 1 && step != 4)">
       <a ng-click="goToStep(1);">
@@ -11,7 +11,7 @@
     </section>
 
     <section class="right-small">
-      <a class="p10" ng-click="backTo(index.prevState)">
+      <a class="p10" ng-click="backTo()">
         <span class="text-close">
           <i class="fi-x size-24"></i>
         </span>
diff --git a/src/js/controllers/backup.js b/src/js/controllers/backup.js
index 12356e9cf..ffcb87bc6 100644
--- a/src/js/controllers/backup.js
+++ b/src/js/controllers/backup.js
@@ -1,9 +1,10 @@
 'use strict';
 
 angular.module('copayApp.controllers').controller('backupController',
-  function($rootScope, $scope, $timeout, $log, go, lodash, profileService, gettext, bwcService, bwsError, walletService, ongoingProcess) {
+  function($rootScope, $scope, $timeout, $log, go, lodash, fingerprintService, platformInfo, configService, profileService, gettext, bwcService, bwsError, walletService, ongoingProcess) {
 
     var fc = profileService.focusedClient;
+    var prevState;
     $scope.customWords = [];
     $scope.walletName = fc.credentials.walletName;
 
@@ -23,7 +24,8 @@ angular.module('copayApp.controllers').controller('backupController',
         initWords();
     }
 
-    $scope.init = function() {
+    $scope.init = function(state) {
+      prevState = state;
       $scope.passphrase = '';
       $scope.shuffledMnemonicWords = shuffledWords($scope.mnemonicWords);
       $scope.customWords = [];
@@ -32,6 +34,20 @@ angular.module('copayApp.controllers').controller('backupController',
       $scope.credentialsEncrypted = false;
       $scope.selectComplete = false;
       $scope.backupError = false;
+
+      if (!platformInfo.isCordova) return;
+      if (isDeletedSeed()) return;
+
+      var config = configService.getSync();
+      var touchidAvailable = fingerprintService.isAvailable();
+      var touchidEnabled = config.touchIdFor ? config.touchIdFor[fc.credentials.walletId] : null;
+
+      if (!touchidAvailable || !touchidEnabled) return;
+
+      fingerprintService.check(fc, function(err) {
+        if (err)
+          go.path(prevState);
+      });
     };
 
     function isDeletedSeed() {
@@ -40,11 +56,8 @@ angular.module('copayApp.controllers').controller('backupController',
       return false;
     };
 
-    $scope.backTo = function(state) {
-      if (state == 'walletHome')
-        go.walletHome();
-      else
-        go.preferences();
+    $scope.backTo = function() {
+      go.path(prevState);
     };
 
     $scope.goToStep = function(n) {