adjust throwing exception

api/app/Http/Controllers/AuthController.php

@@ -5,6 +5,7 @@
 use App\Services\OpenIdBearerTokenService;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Str;
 use InvalidArgumentException;
 use Lcobucci\JWT\Configuration;
@@ -80,15 +81,14 @@ public function authCallback(Request $request)
         // pull token out of the response as json -> lcobucci parser, no key verification is being done here however
         $idToken = $response->json('id_token');
 
-        $config = $this->fastSigner;
+        if (! ($idToken && is_string($idToken))) {
+            Log::debug((string) $response->body());
+            throw new InvalidArgumentException('id token is a '.gettype($idToken));
+        }
 
+        $config = $this->fastSigner;
         assert($config instanceof Configuration);
 
-        throw_unless(
-            $idToken && is_string($idToken),
-            new InvalidArgumentException('id token is a '.gettype($idToken))
-        );
-
         $token = $config->parser()->parse($idToken);
         assert($token instanceof UnencryptedToken);