first commit

src/Id/Helpers/JwtParser.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Anikeen\Id\Helpers;
+
+use Firebase\JWT\JWT;
+use Firebase\JWT\Key;
+use Illuminate\Auth\AuthenticationException;
+use Illuminate\Http\Request;
+use stdClass;
+use Throwable;
+
+class JwtParser
+{
+    /**
+     * @throws AuthenticationException
+     */
+    public function decode(Request $request): stdClass
+    {
+        JWT::$leeway = 60;
+
+        try {
+            return JWT::decode(
+                $request->bearerToken(),
+                new Key($this->getOauthPublicKey(), 'RS256')
+            );
+        } catch (Throwable $exception) {
+            throw (new AuthenticationException());
+        }
+    }
+
+    private function getOauthPublicKey(): bool|string
+    {
+        return file_get_contents(dirname(__DIR__, 3) . '/oauth-public.key');
+    }
+}