refactor progress

packages/cache/src/CacheLockValidation.tsx

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {randomBytes} from 'node:crypto';
+
+const LOCK_KEY_PATTERN = /^[a-zA-Z0-9:_-]+$/;
+const LOCK_TOKEN_PATTERN = /^[a-z0-9]+$/;
+
+export function validateLockKey(key: string): void {
+	if (!LOCK_KEY_PATTERN.test(key)) {
+		throw new Error('Invalid lock key format');
+	}
+}
+
+export function validateLockToken(token: string): void {
+	if (!LOCK_TOKEN_PATTERN.test(token)) {
+		throw new Error('Invalid lock token format');
+	}
+}
+
+export function generateLockToken(): string {
+	return randomBytes(16).toString('hex');
+}
+
+export function formatLockKey(key: string): string {
+	return `lock:${key}`;
+}