OAuth Server
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README.md

OAuth2 Server for CakePHP 3

Software License Build Status

A plugin for implementing an OAuth2 server in CakePHP 3. Built on top of the PHP League's OAuth2 Server. Currently we support the following grant types: AuthCode, RefreshToken, ClientCredentials.

Installation

Installation is done using composer. Run:

$ composer require uafrica/oauth-server

Once composer has installed the package, the plugin needs to be activated by running:

$ bin/cake plugin load -r OAuthServer

Finally the database migrations need to be run.

$ bin/cake migrations migrate --plugin OAuthServer

Configuration

It is assumed that you already have working Form based authentication using the built in CakePHP 3 authentication component. If you do not, please read the authentication chapter.

Set OAuthServer as an authentication adaptor.

In your AppController::beforeFilter() method, add (or modify)

$this->Auth->config('authenticate', [
    'Form',
    'OAuthServer.OAuth'
]);

Change your login method to look as follows:

public function login()
{
    if ($this->request->is('post')) {
        $user = $this->Auth->identify();
        if ($user) {
            $this->Auth->setUser($user);
            $redirectUri = $this->Auth->redirectUrl();
            if ($this->request->query['redir'] === 'oauth') {
                $redirectUri = [
                    'plugin' => 'OAuthServer',
                    'controller' => 'OAuth',
                    'action' => 'authorize',
                    '?' => $this->request->query
                ];
            }
            return $this->redirect($redirectUri);
        } else {
            $this->Flash->error(
                __('Username or password is incorrect'),
                'default',
                [],
                'auth'
            );
        }
    }
}

Alternatively, if you are using the Friends Of Cake CRUD plugin, add

'login' => [
    'className' => 'OAuthServer.Login'
]

to your CRUD actions config.

Usage

The base OAuth2 path is example.com/oauth.

In order to add clients and OAuth scopes you need to create a ClientsController and a ScopesController (Which is not part of this plugin)

The simplest way is to make use of the Friends Of Cake CRUD-View plugin.

Install it by running

$ composer require friendsofcake/bootstrap-ui:dev-master
$ composer require friendsofcake/crud:dev-master
$ composer require friendsofcake/crud-view:dev-master

Then create a ClientsController that looks like:

<?php
namespace App\Controller;

use Crud\Controller\ControllerTrait;

/**
 * OauthClients Controller
 *
 * @property \OAuthServer\Model\Table\ClientsTable $Clients
 */
class ClientsController extends AppController
{

    use ControllerTrait;

    public $modelClass = 'OAuthServer.Clients';

    /**
     * @return void
     */
    public function initialize()
    {
        parent::initialize();
        $this->viewClass = 'CrudView\View\CrudView';
        $tables = [
            'Clients',
            'Scopes'
        ];
        $this->loadComponent('Crud.Crud', [
            'actions' => [
                'index' => [
                    'className' => 'Crud.Index',
                    'scaffold' => [
                        'tables' => $tables
                    ]
                ],
                'view' => [
                    'className' => 'Crud.View',
                    'scaffold' => [
                        'tables' => $tables
                    ]
                ],
                'edit' => [
                    'className' => 'Crud.Edit',
                    'scaffold' => [
                        'tables' => $tables,
                        'fields' => [
                            'name',
                            'redirect_uri',
                            'parent_model',
                            'parent_id' => [
                                'label' => 'Parent ID',
                                'type' => 'text'
                            ]
                        ]
                    ]
                ],
                'add' => [
                    'className' => 'Crud.Add',
                    'scaffold' => [
                        'tables' => $tables,
                        'fields' => [
                            'name',
                            'redirect_uri',
                            'parent_model',
                            'parent_id' => [
                                'label' => 'Parent ID',
                                'type' => 'text'
                            ]
                        ]
                    ]
                ],
                'delete' => [
                    'className' => 'Crud.Delete',
                    'scaffold' => [
                        'tables' => $tables
                    ]
                ],
            ],
            'listeners' => [
                'CrudView.View',
                'Crud.RelatedModels',
                'Crud.Redirect',
                'Crud.Api'
            ],
        ]);
    }
}

And a ScopesController that looks like:

<?php
namespace App\Controller;

use Crud\Controller\ControllerTrait;

/**
 * Scopes Controller
 *
 * @property \OAuthServer\Model\Table\ScopesTable $Scopes
 */
class ScopesController extends AppController
{

    use ControllerTrait;

    public $modelClass = 'OAuthServer.Scopes';

    /**
     * @return void
     */
    public function initialize()
    {
        parent::initialize();
        $this->viewClass = 'CrudView\View\CrudView';
        $tables = [
            'Clients',
            'Scopes'
        ];
        $this->loadComponent('Crud.Crud', [
            'actions' => [
                'index' => [
                    'className' => 'Crud.Index',
                    'scaffold' => [
                        'tables' => $tables
                    ]
                ],
                'view' => [
                    'className' => 'Crud.View',
                    'scaffold' => [
                        'tables' => $tables
                    ]
                ],
                'edit' => [
                    'className' => 'Crud.Edit',
                    'scaffold' => [
                        'tables' => $tables,
                        'fields' => [
                            'id' => [
                                'label' => 'ID',
                                'type' => 'text'
                            ],
                            'description',
                        ]
                    ]
                ],
                'add' => [
                    'className' => 'Crud.Add',
                    'scaffold' => [
                        'tables' => $tables,
                        'fields' => [
                            'id' => [
                                'label' => 'ID',
                                'type' => 'text'
                            ],
                            'description',
                        ]
                    ]
                ],
                'delete' => [
                    'className' => 'Crud.Delete',
                    'scaffold' => [
                        'tables' => $tables
                    ]
                ],
            ],
            'listeners' => [
                'CrudView.View',
                'Crud.RelatedModels',
                'Crud.Redirect',
            ],
        ]);
    }
}

Customisation

The OAuth2 Server can be customised, the look for the various pages can be changed by creating templates in Template/Plugin/OAuthServer/OAuth

The server also fires a number of events that can be used to inject values into the process. The current events fired are:

  • OAuthServer.beforeAuthorize - On rendering of the approval page for the user.
  • OAuthServer.afterAuthorize - On the user authorising the client
  • OAuthServer.afterDeny - On the user denying the client
  • OAuthServer.getUser - On loading user details for authentication requests.

You can customise the OAuth authorise page by creating a overriding template file in src/Template/Plugin/OAuthServer/OAuth/authorize.ctp