1 files changed, 43 insertions, 0 deletions
diff --git a/services/app/src/Middlewares/CurrentUserMiddleware.php b/services/app/src/Middlewares/CurrentUserMiddleware.php
new file mode 100644
index 0000000..a58a327
--- /dev/null
+++ b/services/app/src/Middlewares/CurrentUserMiddleware.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Albatross\Middlewares;
+
+use Nsfisis\Albatross\Repositories\UserRepository;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+final class CurrentUserMiddleware implements MiddlewareInterface
+{
+    public function __construct(
+        private UserRepository $userRepo,
+    ) {
+    }
+
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $request = $this->setCurrentUserAttribute($request);
+        return $handler->handle($request);
+    }
+
+    private function setCurrentUserAttribute(ServerRequestInterface $request): ServerRequestInterface
+    {
+        if (session_status() !== PHP_SESSION_ACTIVE) {
+            return $request;
+        }
+        $user_id = $_SESSION['user_id'] ?? null;
+        if ($user_id === null) {
+            return $request;
+        }
+        assert(is_int($user_id) || (is_string($user_id) && is_numeric($user_id)));
+        $user_id = (int) $user_id;
+        $user = $this->userRepo->findById($user_id);
+        if ($user === null) {
+            return $request;
+        }
+        return $request->withAttribute('current_user', $user);
+    }
+}