Allow encrypted backups when using passcode

app/assets/javascripts/app/services/desktopManager.js

@@ -2,7 +2,8 @@
 
 class DesktopManager {
 
-  constructor($rootScope, modelManager, authManager) {
+  constructor($rootScope, modelManager, authManager, passcodeManager) {
+    this.passcodeManager = passcodeManager;
     this.modelManager = modelManager;
     this.authManager = authManager;
     this.$rootScope = $rootScope;
@@ -29,10 +30,21 @@ class DesktopManager {
   }
 
   desktop_requestBackupFile() {
+    var keys, authParams, protocolVersion;
+    if(this.authManager.offline() && this.passcodeManager.hasPasscode()) {
+      keys = this.passcodeManager.keys();
+      authParams = this.passcodeManager.passcodeAuthParams();
+      protocolVersion = authParams.version;
+    } else {
+      keys = this.authManager.keys();
+      authParams = this.authManager.getAuthParams();
+      protocolVersion = this.authManager.protocolVersion();
+    }
+
     let data = this.modelManager.getAllItemsJSONData(
-      this.authManager.keys(),
-      this.authManager.getAuthParams(),
-      this.authManager.protocolVersion(),
+      keys,
+      authParams,
+      protocolVersion,
       true /* return null on empty */
     );
     return data;

app/assets/javascripts/app/services/directives/views/accountMenu.js

@@ -8,13 +8,17 @@ class AccountMenu {
     };
   }
 
-  controller($scope, authManager, modelManager, syncManager, dbManager, passcodeManager, $timeout, storageManager) {
+  controller($scope, $rootScope, authManager, modelManager, syncManager, dbManager, passcodeManager, $timeout, storageManager) {
     'ngInject';
 
     $scope.formData = {mergeLocal: true, url: syncManager.serverURL, ephemeral: false};
     $scope.user = authManager.user;
     $scope.server = syncManager.serverURL;
 
+    $scope.encryptedBackupsAvailable = function() {
+      return authManager.user || passcodeManager.hasPasscode();
+    }
+
     $scope.syncStatus = syncManager.syncStatus;
 
     $scope.encryptionKey = function() {
@@ -153,6 +157,9 @@ class AccountMenu {
         syncManager.markAllItemsDirtyAndSaveOffline(function(){
           block();
         }, true)
+
+        // Allows desktop to make backup file
+        $rootScope.$broadcast("major-data-change");
       } else {
         modelManager.resetLocalMemory();
         storageManager.clearAllModels(function(){
@@ -174,7 +181,7 @@ class AccountMenu {
 
     /* Import/Export */
 
-    $scope.archiveFormData = {encrypted: $scope.user ? true : false};
+    $scope.archiveFormData = {encrypted: $scope.encryptedBackupsAvailable() ? true : false};
     $scope.user = authManager.user;
 
     $scope.submitImportPassword = function() {
@@ -361,8 +368,19 @@ class AccountMenu {
 
     $scope.downloadDataArchive = function() {
       // download in Standard File format
-      var keys = $scope.archiveFormData.encrypted ? authManager.keys() : null;
-      var data = $scope.itemsData(keys);
+      var keys, authParams, protocolVersion;
+      if($scope.archiveFormData.encrypted) {
+        if(authManager.offline() && passcodeManager.hasPasscode()) {
+          keys = passcodeManager.keys();
+          authParams = passcodeManager.passcodeAuthParams();
+          protocolVersion = authParams.version;
+        } else {
+          keys = authManager.keys();
+          authParams = authManager.getAuthParams();
+          protocolVersion = authManager.protocolVersion();
+        }
+      }
+      var data = $scope.itemsData(keys, authParams, protocolVersion);
       downloadData(data, `SN Archive - ${new Date()}.txt`);
 
       // download as zipped plain text files
@@ -372,8 +390,8 @@ class AccountMenu {
       }
     }
 
-    $scope.itemsData = function(keys) {
-      let data = modelManager.getAllItemsJSONData(keys, authManager.getAuthParams(), authManager.protocolVersion());
+    $scope.itemsData = function(keys, authParams, protocolVersion) {
+      let data = modelManager.getAllItemsJSONData(keys, authParams, protocolVersion);
       let blobData = new Blob([data], {type: 'text/json'});
       return blobData;
     }
@@ -516,6 +534,8 @@ class AccountMenu {
 
           if(offline) {
             syncManager.markAllItemsDirtyAndSaveOffline();
+            // Allows desktop to make backup file
+            $rootScope.$broadcast("major-data-change");
           }
         })
       })
@@ -529,8 +549,12 @@ class AccountMenu {
       }
       if(confirm(message)) {
         passcodeManager.clearPasscode();
+
         if(authManager.offline()) {
           syncManager.markAllItemsDirtyAndSaveOffline();
+          // Don't create backup here, as if the user is temporarily removing the passcode to change it,
+          // we don't want to write unencrypted data to disk.
+          // $rootScope.$broadcast("major-data-change");
         }
       }
     }

app/assets/javascripts/app/services/passcodeManager.js

@@ -22,8 +22,12 @@ angular.module('app.frontend')
         return this._keys;
       }
 
+      this.passcodeAuthParams = function() {
+        return JSON.parse(storageManager.getItem("offlineParams", StorageManager.Fixed));
+      }
+
       this.unlock = function(passcode, callback) {
-        var params = JSON.parse(storageManager.getItem("offlineParams", StorageManager.Fixed));
+        var params = this.passcodeAuthParams();
         Neeto.crypto.computeEncryptionKeysForUser(_.merge({password: passcode}, params), function(keys){
           if(keys.pw !== params.hash) {
             callback(false);
@@ -40,7 +44,7 @@ angular.module('app.frontend')
       this.setPasscode = function(passcode, callback) {
         var cost = Neeto.crypto.defaultPasswordGenerationCost();
         var salt = Neeto.crypto.generateRandomKey(512);
-        var defaultParams = {pw_cost: cost, pw_salt: salt};
+        var defaultParams = {pw_cost: cost, pw_salt: salt, version: "002"};
 
         Neeto.crypto.computeEncryptionKeysForUser(_.merge({password: passcode}, defaultParams), function(keys) {
           defaultParams.hash = keys.pw;

app/assets/templates/frontend/directives/account-menu.html.haml

@@ -141,15 +141,15 @@
 
     .mt-25{"ng-if" => "!importData.loading"}
       %h4 Data Archives
-      .mt-5{"ng-if" => "user"}
-        %label.normal.inline{"ng-if" => "user"}
+      .mt-5{"ng-if" => "encryptedBackupsAvailable()"}
+        %label.normal.inline
           %input{"type" => "radio", "ng-model" => "archiveFormData.encrypted", "ng-value" => "true", "ng-change" => "archiveFormData.encrypted = true"}
           Encrypted
         %label.normal.inline
           %input{"type" => "radio", "ng-model" => "archiveFormData.encrypted", "ng-value" => "false", "ng-change" => "archiveFormData.encrypted = false"}
           Decrypted
 
-      %a.block.mt-5{"ng-click" => "downloadDataArchive()", "ng-class" => "{'mt-5' : !user}"} Export Data Archive
+      %a.block.mt-5{"ng-click" => "downloadDataArchive()", "ng-class" => "{'mt-5' : !user}"} Download Data Archive
 
       %label.block.mt-5
         %input{"type" => "file", "style" => "display: none;", "file-change" => "->", "handler" => "importFileSelected(files)"}