First round of changes to API to support simpler permissions.

app/Http/Requests/API/Admin/Users/GetUserRequest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\API\Admin\Users;
+
+use Pterodactyl\Models\User;
+use Pterodactyl\Services\Acl\Api\AdminAcl;
+use Pterodactyl\Http\Requests\API\Admin\ApiAdminRequest;
+
+class GetUserRequest extends ApiAdminRequest
+{
+    /**
+     * @var string
+     */
+    protected $resource = AdminAcl::RESOURCE_USERS;
+
+    /**
+     * @var int
+     */
+    protected $permission = AdminAcl::READ;
+
+    /**
+     * Determine if the requested user exists on the Panel.
+     *
+     * @return bool
+     */
+    public function resourceExists(): bool
+    {
+        $user = $this->route()->parameter('user');
+
+        return $user instanceof  User && $user->exists;
+    }
+}