Cleanup frontend controllers and middleware

app/Http/Requests/Server/ServerFormRequest.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\Server;
+
+use Pterodactyl\Http\Requests\FrontendUserFormRequest;
+
+abstract class ServerFormRequest extends FrontendUserFormRequest
+{
+    /**
+     * Return the user permission to validate this request aganist.
+     *
+     * @return string
+     */
+    abstract protected function permission(): string;
+
+    /**
+     * Determine if a user has permission to access this resource.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        if (! parent::authorize()) {
+            return false;
+        }
+
+        return $this->user()->can($this->permission(), $this->attributes->get('server'));
+    }
+}