1 files changed, 145 insertions, 0 deletions
diff --git a/lib/public/Files/Lock/ILock.php b/lib/public/Files/Lock/ILock.php
new file mode 100644
index 00000000000..4adb45b7b18
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+++ b/lib/public/Files/Lock/ILock.php
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+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCP\Files\Lock;
+
+/**
+ * @since 24.0.0
+ */
+interface ILock {
+	/**
+	 * User owned manual lock
+	 *
+	 * This lock type is initiated by a user manually through the web UI or clients
+	 * and will limit editing capabilities on the file to the lock owning user.
+	 *
+	 * @since 24.0.0
+	 */
+	public const TYPE_USER = 0;
+
+	/**
+	 * App owned lock
+	 *
+	 * This lock type is created by collaborative apps like Text or Office to avoid
+	 * outside changes through WevDAV or other apps.
+	 * @since 24.0.0
+	 *
+	 */
+	public const TYPE_APP = 1;
+
+	/**
+	 * Token owned lock
+	 *
+	 * This lock type will bind the ownership to the provided lock token. Any request
+	 * that aims to modify the file will be required to sent the token, the user
+	 * itself is not able to write to files without the token. This will allow
+	 * to limit the locking to an individual client.
+	 *
+	 * @since 24.0.0
+	 */
+	public const TYPE_TOKEN = 2;
+
+	/**
+	 * WebDAV Lock scope exclusive
+	 *
+	 * @since 24.0.0
+	 */
+	public const LOCK_EXCLUSIVE = 1;
+
+	/**
+	 * WebDAV Lock scope shared
+	 *
+	 * @since 24.0.0
+	 */
+	public const LOCK_SHARED = 2;
+
+	/**
+	 * Lock only the resource the lock is applied to
+	 *
+	 * @since 24.0.0
+	 */
+	public const LOCK_DEPTH_ZERO = 0;
+
+	/**
+	 * Lock app resources under the locked one with infinite depth
+	 *
+	 * @since 24.0.0
+	 */
+	public const LOCK_DEPTH_INFINITE = -1;
+
+	/**
+	 * Type of the lock
+	 *
+	 * @psalm-return ILock::TYPE_*
+	 * @since 24.0.0
+	 */
+	public function getType(): int;
+
+	/**
+	 * Owner that holds the lock
+	 *
+	 * Depending on the lock type this is:
+	 * - ILock::TYPE_USER: A user id
+	 * - ILock::TYPE_APP: An app id
+	 * - ILock::TYPE_TOKEN: A user id
+	 *
+	 * @since 24.0.0
+	 */
+	public function getOwner(): string;
+
+	/**
+	 * File id that the lock is holding
+	 *
+	 * @since 24.0.0
+	 */
+	public function getFileId(): int;
+
+	/**
+	 * Timeout of the lock in seconds starting from the created at time
+	 *
+	 * @since 24.0.0
+	 */
+	public function getTimeout(): int;
+
+	/**
+	 * Unix timestamp of the lock creation time
+	 *
+	 * @since 24.0.0
+	 */
+	public function getCreatedAt(): int;
+
+	/**
+	 * Token string as a unique identifier for the lock, usually a UUID
+	 *
+	 * @since 24.0.0
+	 */
+	public function getToken(): string;
+
+	/**
+	 * Lock depth to apply the lock to child resources
+	 *
+	 * @since 24.0.0
+	 */
+	public function getDepth(): int;
+
+	/**
+	 * WebDAV lock scope
+	 *
+	 * @since 24.0.0
+	 * @psalm-return ILock::LOCK_EXCLUSIVE|ILock::LOCK_SHARED
+	 */
+	public function getScope(): int;
+
+	/**
+	 * String representation of the lock to identify it through logging
+	 *
+	 * @since 24.0.0
+	 */
+	public function __toString(): string;
+}