Wallet/js/controllers/backup.js

'use strict';

angular.module('copayApp.controllers').controller('BackupController',
  function($scope, $rootScope, $location, $window, $timeout, $modal, controllerUtils, walletFactory) {
    $scope.title = 'Backup';

    var _getEncryptedWallet = function() {
      var wallet = $rootScope.wallet.toEncryptedObj();
      return wallet;
    };

    $scope.download = function() {
      var timestamp = +(new Date);
      var walletName = ($rootScope.wallet.name ? $rootScope.wallet.name : '') + '-' + $rootScope.wallet.id;
      var filename = walletName + '-' + timestamp + '.json.aes';
      var wallet = _getEncryptedWallet();
      var blob = new Blob([wallet], {
        type: 'text/plain;charset=utf-8'
      });
      // show a native save dialog if we are in the shell
      // and pass the wallet to the shell to convert to node Buffer
      if (window.cshell) {
        return window.cshell.send('backup:download', {
          name: walletName,
          wallet: wallet
        });
      }
      // otherwise lean on the browser implementation
      saveAs(blob, filename);
    };

    $scope.openModal = function() {
      var modalInstance = $modal.open({
        templateUrl: 'backupModal.html',
        controller: ModalInstanceCtrl,
      });

      modalInstance.result.then(sendEmail);
    };

    $scope.deleteWallet = function() {
      var w=$rootScope.wallet;
      w.disconnect();
      walletFactory.remove(w.id, function() {
        controllerUtils.logout();
      });
    };

    var sendEmail = function(email) {
      var body = _getEncryptedWallet();
      var subject = ($rootScope.wallet.name ? $rootScope.wallet.name + ' - ' : '') + $rootScope.wallet.id;
      var href = 'mailto:' + email + '?' + 'subject=[Copay Backup] ' + subject + '&' + 'body=' + body;

      if (window.cshell) {
        return window.cshell.send('backup:email', href);
      }

      var newWin = $window.open(href, '_blank', 'scrollbars=yes,resizable=yes,width=10,height=10');

      if (newWin) {
        $timeout(function() {
          newWin.close();
        }, 1000);
      }
    };
  });

var ModalInstanceCtrl = function($scope, $modalInstance) {

  $scope.submit = function(form) {
    $modalInstance.close($scope.email);
  };

  $scope.cancel = function() {
    $modalInstance.dismiss('cancel');
  };
};