feat: Expose JWT key

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

Author: CarlSchwan

lib/private/GlobalScale/Config.php

@@ -55,4 +55,8 @@ public function isPrimaryAdmin(string $userId): bool {
 		return in_array($userId, $this->config->getSystemValue('gss.master.admin', []))
 			|| in_array($userId, $this->config->getSystemValue('gss.primary.admin', []));
 	}
+
+	public function getJWTKey(): string {
+		return $this->config->getSystemValueString('gss.jwt.key', '');
+	}
 }

lib/public/GlobalScale/IConfig.php

@@ -60,4 +60,11 @@ public function isSecondary(): bool;
 	 * @since 35.0.0
 	 */
 	public function isPrimaryAdmin(string $userId): bool;
+
+	/**
+	 * Get the JWT key used to communicate between the primary and the secondary instances.
+	 *
+	 * @since 35.0.0
+	 */
+	public function getJWTKey(): string;
 }

lib/public/GlobalScale/IGlobalScaleService.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH
+ * SPDX-FileContributor: Carl Schwan
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCP\GlobalScale;
+
+class IGlobalScaleService {
+
+}