Merge pull request #1366 from flarum/illuminate-session

Use Illuminate Session component instead of Symfony

composer.json

@@ -35,6 +35,7 @@
         "illuminate/filesystem": "5.5.*",
         "illuminate/hashing": "5.5.*",
         "illuminate/mail": "5.5.*",
+        "illuminate/session": "5.5.*",
         "illuminate/support": "5.5.*",
         "illuminate/validation": "5.5.*",
         "illuminate/view": "5.5.*",

src/Forum/Controller/AbstractOAuth2Controller.php

@@ -62,7 +62,7 @@ abstract class AbstractOAuth2Controller implements ControllerInterface
 
         if (! $code) {
             $authUrl = $this->provider->getAuthorizationUrl($this->getAuthorizationUrlOptions());
-            $session->set('oauth2state', $this->provider->getState());
+            $session->put('oauth2state', $this->provider->getState());
 
             return new RedirectResponse($authUrl.'&display=popup');
         } elseif (! $state || $state !== $session->get('oauth2state')) {

src/Forum/Controller/LogOutController.php

@@ -102,7 +102,7 @@ class LogOutController implements ControllerInterface
 
         // If a valid CSRF token hasn't been provided, show a view which will
         // allow the user to press a button to complete the log out process.
-        $csrfToken = $session->get('csrf_token');
+        $csrfToken = $session->token();
 
         if (array_get($request->getQueryParams(), 'token') !== $csrfToken) {
             $return = array_get($request->getQueryParams(), 'return');

src/Forum/Controller/ResetPasswordController.php

@@ -50,6 +50,6 @@ class ResetPasswordController extends AbstractHtmlController
 
         return $this->view->make('flarum.forum::reset-password')
             ->with('passwordToken', $token->id)
-            ->with('csrfToken', $request->getAttribute('session')->get('csrf_token'));
+            ->with('csrfToken', $request->getAttribute('session')->token());
     }
 }

src/Foundation/Site.php

@@ -33,6 +33,7 @@ use Illuminate\Config\Repository as ConfigRepository;
 use Illuminate\Filesystem\FilesystemServiceProvider;
 use Illuminate\Hashing\HashServiceProvider;
 use Illuminate\Mail\MailServiceProvider;
+use Illuminate\Session\SessionServiceProvider;
 use Illuminate\Validation\ValidationServiceProvider;
 use Illuminate\View\ViewServiceProvider;
 use Monolog\Formatter\LineFormatter;
@@ -169,6 +170,7 @@ class Site
         $app->register(FilesystemServiceProvider::class);
         $app->register(HashServiceProvider::class);
         $app->register(MailServiceProvider::class);
+        $app->register(SessionServiceProvider::class);
         $app->register(ViewServiceProvider::class);
         $app->register(ValidationServiceProvider::class);
 
@@ -236,6 +238,11 @@ class Site
                         'root'   => $app->publicPath().'/assets/avatars'
                     ]
                 ]
+            ],
+            'session' => [
+                'lifetime' => 120,
+                'files' => $app->storagePath().'/sessions',
+                'cookie' => 'session'
             ]
         ]);
     }

src/Frontend/FrontendView.php

@@ -464,7 +464,7 @@ class FrontendView
 
         return [
             'userId' => $actor->id,
-            'csrfToken' => $session->get('csrf_token')
+            'csrfToken' => $session->token()
         ];
     }
 

src/Http/Middleware/AuthenticateWithSession.php

@@ -13,10 +13,10 @@ namespace Flarum\Http\Middleware;
 
 use Flarum\User\Guest;
 use Flarum\User\User;
+use Illuminate\Contracts\Session\Session;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Interop\Http\ServerMiddleware\MiddlewareInterface;
 use Psr\Http\Message\ServerRequestInterface as Request;
-use Symfony\Component\HttpFoundation\Session\SessionInterface;
 
 class AuthenticateWithSession implements MiddlewareInterface
 {
@@ -33,7 +33,7 @@ class AuthenticateWithSession implements MiddlewareInterface
         return $delegate->process($request);
     }
 
-    private function getActor(SessionInterface $session)
+    private function getActor(Session $session)
     {
         $actor = User::find($session->get('user_id')) ?: new Guest;
 

src/Http/Middleware/CollectGarbage.php

@@ -15,12 +15,30 @@ use Flarum\Http\AccessToken;
 use Flarum\User\AuthToken;
 use Flarum\User\EmailToken;
 use Flarum\User\PasswordToken;
+use Illuminate\Contracts\Config\Repository as ConfigRepository;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Interop\Http\ServerMiddleware\MiddlewareInterface;
 use Psr\Http\Message\ServerRequestInterface as Request;
+use SessionHandlerInterface;
 
 class CollectGarbage implements MiddlewareInterface
 {
+    /**
+     * @var SessionHandlerInterface
+     */
+    protected $sessionHandler;
+
+    /**
+     * @var array
+     */
+    protected $sessionConfig;
+
+    public function __construct(SessionHandlerInterface $handler, ConfigRepository $config)
+    {
+        $this->sessionHandler = $handler;
+        $this->sessionConfig = $config->get('session');
+    }
+
     public function process(Request $request, DelegateInterface $delegate)
     {
         $this->collectGarbageSometimes();
@@ -43,10 +61,17 @@ class CollectGarbage implements MiddlewareInterface
         EmailToken::where('created_at', '<=', $earliestToKeep)->delete();
         PasswordToken::where('created_at', '<=', $earliestToKeep)->delete();
         AuthToken::where('created_at', '<=', $earliestToKeep)->delete();
+
+        $this->sessionHandler->gc($this->getSessionLifetimeInSeconds());
     }
 
     private function hit()
     {
         return mt_rand(1, 100) <= 2;
     }
+
+    private function getSessionLifetimeInSeconds()
+    {
+        return $this->sessionConfig['lifetime'] * 60;
+    }
 }

src/Http/Middleware/RememberFromCookie.php

@@ -12,15 +12,29 @@
 namespace Flarum\Http\Middleware;
 
 use Flarum\Http\AccessToken;
+use Flarum\Http\CookieFactory;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Interop\Http\ServerMiddleware\MiddlewareInterface;
 use Psr\Http\Message\ServerRequestInterface as Request;
 
 class RememberFromCookie implements MiddlewareInterface
 {
+    /**
+     * @var CookieFactory
+     */
+    protected $cookie;
+
+    /**
+     * @param CookieFactory $cookie
+     */
+    public function __construct(CookieFactory $cookie)
+    {
+        $this->cookie = $cookie;
+    }
+
     public function process(Request $request, DelegateInterface $delegate)
     {
-        $id = array_get($request->getCookieParams(), 'flarum_remember');
+        $id = array_get($request->getCookieParams(), $this->cookie->getName('remember'));
 
         if ($id) {
             $token = AccessToken::find($id);
@@ -28,8 +42,9 @@ class RememberFromCookie implements MiddlewareInterface
             if ($token) {
                 $token->touch();
 
+                /** @var \Illuminate\Contracts\Session\Session $session */
                 $session = $request->getAttribute('session');
-                $session->set('user_id', $token->user_id);
+                $session->put('user_id', $token->user_id);
             }
         }
 

src/Http/Middleware/StartSession.php

@@ -13,72 +13,84 @@ namespace Flarum\Http\Middleware;
 
 use Dflydev\FigCookies\FigResponseCookies;
 use Flarum\Http\CookieFactory;
-use Illuminate\Support\Str;
+use Illuminate\Contracts\Config\Repository as ConfigRepository;
+use Illuminate\Contracts\Session\Session;
+use Illuminate\Session\Store;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Interop\Http\ServerMiddleware\MiddlewareInterface;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
-use Symfony\Component\HttpFoundation\Session\Session;
-use Symfony\Component\HttpFoundation\Session\SessionInterface;
+use SessionHandlerInterface;
 
 class StartSession implements MiddlewareInterface
 {
-    const COOKIE_NAME = 'session';
+    /**
+     * @var SessionHandlerInterface
+     */
+    protected $handler;
 
     /**
      * @var CookieFactory
      */
     protected $cookie;
 
+    /**
+     * @var array
+     */
+    protected $config;
+
     /**
      * @param CookieFactory $cookie
      */
-    public function __construct(CookieFactory $cookie)
+    public function __construct(SessionHandlerInterface $handler, CookieFactory $cookie, ConfigRepository $config)
     {
+        $this->handler = $handler;
         $this->cookie = $cookie;
+        $this->config = $config->get('session');
     }
 
     public function process(Request $request, DelegateInterface $delegate)
     {
-        $session = $this->startSession();
-
-        $request = $request->withAttribute('session', $session);
+        $request = $request->withAttribute(
+            'session',
+            $session = $this->makeSession($request)
+        );
 
+        $session->start();
         $response = $delegate->process($request);
+        $session->save();
 
         $response = $this->withCsrfTokenHeader($response, $session);
 
         return $this->withSessionCookie($response, $session);
     }
 
-    private function startSession()
+    private function makeSession(Request $request)
     {
-        $session = new Session;
+        $cookieName = $this->cookie->getName($this->config['cookie']);
 
-        $session->setName($this->cookie->getName(self::COOKIE_NAME));
-        $session->start();
-
-        if (! $session->has('csrf_token')) {
-            $session->set('csrf_token', Str::random(40));
-        }
-
-        return $session;
+        return new Store(
+            $cookieName,
+            $this->handler,
+            array_get($request->getCookieParams(), $cookieName)
+        );
     }
 
-    private function withCsrfTokenHeader(Response $response, SessionInterface $session)
+    private function withCsrfTokenHeader(Response $response, Session $session)
     {
-        if ($session->has('csrf_token')) {
-            $response = $response->withHeader('X-CSRF-Token', $session->get('csrf_token'));
-        }
-
-        return $response;
+        return $response->withHeader('X-CSRF-Token', $session->token());
     }
 
-    private function withSessionCookie(Response $response, SessionInterface $session)
+    private function withSessionCookie(Response $response, Session $session)
     {
         return FigResponseCookies::set(
             $response,
-            $this->cookie->make(self::COOKIE_NAME, $session->getId())
+            $this->cookie->make($session->getName(), $session->getId(), $this->getSessionLifetimeInSeconds())
         );
     }
+
+    private function getSessionLifetimeInSeconds()
+    {
+        return $this->config['lifetime'] * 60;
+    }
 }

src/Http/SessionAuthenticator.php

@@ -11,25 +11,26 @@
 
 namespace Flarum\Http;
 
-use Symfony\Component\HttpFoundation\Session\SessionInterface;
+use Illuminate\Contracts\Session\Session;
 
 class SessionAuthenticator
 {
     /**
-     * @param SessionInterface $session
+     * @param Session $session
      * @param int $userId
      */
-    public function logIn(SessionInterface $session, $userId)
+    public function logIn(Session $session, $userId)
     {
-        $session->migrate();
-        $session->set('user_id', $userId);
+        $session->regenerate(true);
+        $session->put('user_id', $userId);
     }
 
     /**
-     * @param SessionInterface $session
+     * @param Session $session
      */
-    public function logOut(SessionInterface $session)
+    public function logOut(Session $session)
     {
         $session->invalidate();
+        $session->regenerateToken();
     }
 }

src/User/User.php

@@ -34,7 +34,7 @@ use Flarum\User\Event\PasswordChanged;
 use Flarum\User\Event\Registered;
 use Flarum\User\Event\Renamed;
 use Illuminate\Contracts\Hashing\Hasher;
-use Symfony\Component\HttpFoundation\Session\SessionInterface;
+use Illuminate\Contracts\Session\Session;
 
 /**
  * @property int $id
@@ -698,7 +698,7 @@ class User extends AbstractModel
     }
 
     /**
-     * @return SessionInterface
+     * @return Session
      */
     public function getSession()
     {
@@ -706,9 +706,9 @@ class User extends AbstractModel
     }
 
     /**
-     * @param SessionInterface $session
+     * @param Session $session
      */
-    public function setSession(SessionInterface $session)
+    public function setSession(Session $session)
     {
         $this->session = $session;
     }

src/User/UserServiceProvider.php

@@ -15,7 +15,9 @@ use Flarum\Event\ConfigureUserPreferences;
 use Flarum\Event\GetPermission;
 use Flarum\Foundation\AbstractServiceProvider;
 use Illuminate\Contracts\Container\Container;
+use Illuminate\Session\FileSessionHandler;
 use RuntimeException;
+use SessionHandlerInterface;
 
 class UserServiceProvider extends AbstractServiceProvider
 {
@@ -23,6 +25,26 @@ class UserServiceProvider extends AbstractServiceProvider
      * {@inheritdoc}
      */
     public function register()
+    {
+        $this->registerSession();
+        $this->registerGate();
+        $this->registerAvatarsFilesystem();
+    }
+
+    protected function registerSession()
+    {
+        $this->app->singleton('session.handler', function ($app) {
+            return new FileSessionHandler(
+                $app['files'],
+                $app['config']['session.files'],
+                $app['config']['session.lifetime']
+            );
+        });
+
+        $this->app->alias('session.handler', SessionHandlerInterface::class);
+    }
+
+    protected function registerGate()
     {
         $this->app->singleton('flarum.gate', function ($app) {
             return new Gate($app, function () {
@@ -32,8 +54,6 @@ class UserServiceProvider extends AbstractServiceProvider
 
         $this->app->alias('flarum.gate', 'Illuminate\Contracts\Auth\Access\Gate');
         $this->app->alias('flarum.gate', Gate::class);
-
-        $this->registerAvatarsFilesystem();
     }
 
     protected function registerAvatarsFilesystem()