Allow defining own LDAP query

config/forward-authentication.php

@@ -56,6 +56,8 @@
             'username' => env('STATAMIC_FORWARD_AUTH_BIND_USERNAME'),
 
             'password' => env('STATAMIC_FORWARD_AUTH_BIND_PASSWORD'),
+
+            'queryCallback' => fn ($connection, $credentials) => $connection->query()->where('mail', '=', $credentials['email'])->first(),
         ],
 
     ],

src/AuthServices/LdapAuthService.php

@@ -43,7 +43,7 @@ public function checkCredentialsAgainstForwardAuth(array $credentials): array|fa
         // end block with finally for the same reason.
         try {
             // Search for user with user provided email
-            $user = $mainConnection->query()->where('mail', '=', $credentials['email'])->first();
+            $user = $this->config['queryCallback']($mainConnection, $credentials);
 
             // Try connect to the LDAP provider with found users DN and provided password
             $userConnection = new Connection([