1 files changed, 45 insertions, 0 deletions
diff --git a/lib/public/Files/Storage/IChunkedFileWrite.php b/lib/public/Files/Storage/IChunkedFileWrite.php
new file mode 100644
index 00000000000..0cf27814f0e
--- /dev/null
+++ b/lib/public/Files/Storage/IChunkedFileWrite.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+declare(strict_types=1);
+
+
+namespace OCP\Files\Storage;
+
+use OCP\Files\GenericFileException;
+
+/**
+ * @since 26.0.0
+ */
+interface IChunkedFileWrite extends IStorage {
+	/**
+	 * @param string $targetPath Relative target path in the storage
+	 * @return string writeToken to be used with the other methods to uniquely identify the file write operation
+	 * @throws GenericFileException
+	 * @since 26.0.0
+	 */
+	public function startChunkedWrite(string $targetPath): string;
+
+	/**
+	 * @param resource $data
+	 * @throws GenericFileException
+	 * @since 26.0.0
+	 */
+	public function putChunkedWritePart(string $targetPath, string $writeToken, string $chunkId, $data, ?int $size = null): ?array;
+
+	/**
+	 * @throws GenericFileException
+	 * @since 26.0.0
+	 */
+	public function completeChunkedWrite(string $targetPath, string $writeToken): int;
+
+	/**
+	 * @throws GenericFileException
+	 * @since 26.0.0
+	 */
+	public function cancelChunkedWrite(string $targetPath, string $writeToken): void;
+}