Fix JWT handling for API access when logging in

app/Traits/Helpers/ProvidesJWTServices.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Pterodactyl\Traits\Helpers;
+
+use Lcobucci\JWT\Signer;
+use Illuminate\Support\Str;
+
+trait ProvidesJWTServices
+{
+    /**
+     * Get the signing key to use when creating JWTs.
+     *
+     * @return string
+     */
+    public function getJWTSigningKey(): string
+    {
+        $key = config()->get('jwt.key', '');
+        if (Str::startsWith($key, 'base64:')) {
+            $key = base64_decode(substr($key, 7));
+        }
+
+        return $key;
+    }
+
+    /**
+     * Provide the signing algo to use for JWT.
+     *
+     * @return \Lcobucci\JWT\Signer
+     */
+    public function getJWTSigner(): Signer
+    {
+        $class = config()->get('jwt.signer');
+
+        return new $class;
+    }
+}