check password validity in user delete socket call

public/src/client/account/edit.js

@@ -169,10 +169,9 @@ define('forum/account/edit', ['forum/account/header', 'translator', 'components'
					confirmBtn.html('<i class="fa fa-spinner fa-spin"></i>');
					confirmBtn.prop('disabled', true);

					socket.emit('user.checkPassword', {
						uid: parseInt(ajaxify.data.uid, 10),
					socket.emit('user.deleteAccount', {
						password: $('#confirm-password').val(),
					}, function (err, ok) {
					}, function (err) {
						function restoreButton() {
							translator.translate('[[modules:bootbox.confirm]]', function (confirmText) {
								confirmBtn.text(confirmText);
@@ -183,19 +182,10 @@ define('forum/account/edit', ['forum/account/header', 'translator', 'components'
						if (err) {
							restoreButton();
							return app.alertError(err.message);
						} else if (!ok) {
							restoreButton();
							return app.alertError('[[error:invalid-password]]');
						}

						confirmBtn.html('<i class="fa fa-check"></i>');
						socket.emit('user.deleteAccount', {}, function (err) {
							if (err) {
								return app.alertError(err.message);
							}

							window.location.href = config.relative_path + '/';
						});
						window.location.href = config.relative_path + '/';
					});

					return false;

src/socket.io/user.js

@@ -36,6 +36,11 @@ SocketUser.deleteAccount = function (socket, data, callback) {
	}

	async.waterfall([
		function (next) {
			user.isPasswordCorrect(socket.uid, data.password, function (err, ok) {
				next(err || !ok ? new Error('[[error:invalid-password]]') : undefined);
			});
		},
		function (next) {
			user.isAdministrator(socket.uid, next);
		},
@@ -56,7 +61,15 @@ SocketUser.deleteAccount = function (socket, data, callback) {
			});
			next();
		},
	], callback);
	], function (err) {
		if (err) {
			return setTimeout(function () {
				callback(err);
			}, 2500);
		}

		callback();
	});
};

SocketUser.emailExists = function (socket, data, callback) {