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GoalioRememberMe

Version 1.0.0 Created by the goalio UG (haftungsbeschränkt)

Introduction

GoalioRememberMe is an extension module for ZfcUser that provides functionality to stay logged in on subsequent visits to the site.

Information

I developed this module to use in our goalio application. There are currently no tests and support can be a little slow because we are a small company with only two developers. I appreciate any feedback, pull requests are even better.

Requirements

• Zend Framework 2 (requirement of ZfcUser).
• ZfcBase (requirement of ZfcUser).
• ZfcUser (1.*).

Features / Goals

• Add pluggable behaviour to stay logged in [COMPLETE]
• Provide updated login view [COMPLETE]
• Provide examples how to use the cookie information, i.e. differentiate between cookie and regular login [INCOMPLETE]

Installation

Main Setup

With composer

1. Add this project and the requirements in your composer.json:

2. Now tell composer to download ZfcUser by running the command:

Post installation

1. Enabling it in your application.config.phpfile.

2. Then Import the SQL schema located in ./vendor/goalio/goalio-rememberme/data/schema.sql.

Post-Install: Zend\Db

1. If you do not already have a valid Zend\Db\Adapter\Adapter in your service manager configuration, put the following in ./config/autoload/database.local.php:

   <?php
   
   $dbParams = array(
       'database'  => 'changeme',
       'username'  => 'changeme',
       'password'  => 'changeme',
       'hostname'  => 'changeme',
   );
   
   return array(
       'service_manager' => array(
           'factories' => array(
               'Zend\Db\Adapter\Adapter' => function ($sm) use ($dbParams) {
                   return new Zend\Db\Adapter\Adapter(array(
                       'driver'    => 'pdo',
                       'dsn'       => 'mysql:dbname='.$dbParams['database'].';host='.$dbParams['hostname'],
                       'database'  => $dbParams['database'],
                       'username'  => $dbParams['username'],
                       'password'  => $dbParams['password'],
                       'hostname'  => $dbParams['hostname'],
                   ));
               },
           ),
       ),
   );

Post-Install: Doctrine2 ORM

There is an additional module for Doctrine integration GoalioRememberMeDoctrineORM

Usage

Navigate to http://yourproject/user and you should land on a login page.

Options

The RememberMe module has some options to allow you to quickly customize the basic functionality. After installing, copy ./vendor/goalio/goalio-rememberme/config/goaliorememberme.global.php.dist to ./config/autoload/goaliorememberme.global.php and change the values as desired.

The following options are available:

• remember_me_entity_class - Name of Entity class to use. Useful for using your own entity class instead of the default one provided. Default is GoalioRememberMe\Entity\RememberMe.
• cookie_expire - Integer value in seconds when the login cookie should expire. Default is 2592000 (30 days).
• cookie_domain - String value for the domain this cookie should be set for. Default is null.

Security

Having such a cookie for login purposes weakens your application security, as it is possible to guess those values and they offer a second entry point besides the identity/credential combination used by default.

In order to reduce this risk precautions have been taken. For example the solutions mentioned in http://jaspan.com/improved_persistent_login_cookie_best_practice allow to identify if a remember me token has been used by another person and give the necessary hints to the user (change password etc.).

Customization

Please comment on any problems with this module or give feedback if anything does not work Out-of-the-Box. There should not really be any requirement to modify the behaviour, unless security problems arise, but as I am creative with the use of modules myself, I would be very interested in hearing what can be done to extend the functionality.

How does it work

This module adds an additional AuthenticationAdapter to the Process in ZfcUser. If any prior authentication is successful (i.e. the default) and the user requests to set a cookie, the adapter will do so and create the necessary updates in the DB to identify the cookie.

On a later visit the presence of the cookie is checked during the bootstrap process of the module to provide an early entry point to authenticate the user. It is stored in the session that the login was done via cookie, so certain actions should be prohibited without additional login (i.e. change password, access payment information etc.).

Acknowledgements

Daniel Strøm (https://github.com/Danielss89) for most of the basic work in the cookie adapter etc.