bitwarden-browser/src/popup/app/accounts/accountsRegisterController.js

angular
    .module('bit.accounts')

    .controller('accountsRegisterController', function ($scope, $state, cryptoService, toastr, $q, apiService, utilsService,
        $analytics) {
        $scope.model = {};
        utilsService.initListSectionItemListeners($(document));
        $('#email').focus();

        $scope.submitPromise = null;
        $scope.submit = function (model) {
            if (!model.email) {
                toastr.error('Email address is required.', 'Errors have occurred');
                return;
            }
            if (model.email.indexOf('@') === -1) {
                toastr.error('Invalid email address.', 'Errors have occurred');
                return;
            }
            if (!model.masterPassword) {
                toastr.error('Master password is required.', 'Errors have occurred');
                return;
            }
            if (model.masterPassword !== model.masterPasswordRetype) {
                toastr.error('Master password confirmation does not match.', 'Errors have occurred');
                return;
            }

            var email = model.email.toLowerCase();
            var key = cryptoService.makeKey(model.masterPassword, email);
            $scope.submitPromise = registerPromise(key, model.masterPassword, email, model.hint);
            $scope.submitPromise.then(function () {
                $analytics.eventTrack('Registered');
                toastr.success('Your new account has been created! You may now log in.');
                $state.go('login', { email: email, animation: 'in-slide-left' });
            });
        };

        function registerPromise(key, masterPassword, email, hint) {
            return $q(function (resolve, reject) {
                cryptoService.hashPassword(masterPassword, key, function (hashedPassword) {
                    var request = new RegisterRequest(email, hashedPassword, hint);
                    apiService.postRegister(request,
                        function () {
                            resolve();
                        },
                        function (error) {
                            reject(error);
                        });
                });
            });
        }
    });