Add filter for guard

src/Authentication/NamiGuard.php

@@ -10,6 +10,7 @@ use Illuminate\Contracts\Auth\Authenticatable;
 use Illuminate\Contracts\Auth\Guard;
 use Illuminate\Session\Store as SessionStore;
 use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Event;
 use Illuminate\Support\Str;
 use Zoomyboy\LaravelNami\LoginException;
 use Zoomyboy\LaravelNami\Nami;
@@ -21,6 +22,9 @@ class NamiGuard {
 
     protected CacheRepository $cache;
 
+    /** @var <int, callback> $loginCallbacks */
+    public static array $loginCallbacks = [];
+
     /**
      * The currently authenticated user.
      *
@@ -67,9 +71,26 @@ class NamiGuard {
      */
     public function attempt(array $credentials = [], bool $remember = false): bool
     {
+        $beforeResult = static::runBeforeLogin($credentials, $remember);
+
+        if (!is_null($beforeResult)) {
+            return $beforeResult;
+        }
+
         try {
+            return $this->login($credentials);
+        } catch (LoginException $e) {
+            return false;
+        }
+    }
+
+    /**
+     * @param array<string, string> $credentials
+     */
+    public function login(array $credentials): bool
+    {
         $api = Nami::login($credentials['mglnr'], $credentials['password']);
-            $user = $api->findNr($credentials['mglnr']);
+        $user = $api->findNr((int) $credentials['mglnr']);
 
         $payload = [
             'credentials' => $credentials,
@@ -84,9 +105,22 @@ class NamiGuard {
         $this->updateSession($key);
 
         return true;
-        } catch (LoginException $e) {
-            return false;
     }
+
+    /**
+     * @param array<string, string> $credentials
+     * @param bool $remember
+     */
+    protected function runBeforeLogin(array $credentials, bool $remember): ?bool
+    {
+        foreach (static::$loginCallbacks as $callback) {
+            $result = $callback($credentials, $remember);
+            if ($result !== null) {
+                return $result;
+            }
+        }
+
+        return null;
     }
 
     protected function updateSession(string $data): void
@@ -95,6 +129,14 @@ class NamiGuard {
         $this->session->migrate(true);
     }
 
+    /**
+     * @param callable $callback
+     */
+    public static function beforeLogin(callable $callback): void
+    {
+        static::$loginCallbacks[] = $callback;
+    }
+
     public function getName(): string
     {
         return 'auth_key';