1 files changed, 71 insertions, 0 deletions
diff --git a/lib/private/Files/Storage/PolyFill/CopyDirectory.php b/lib/private/Files/Storage/PolyFill/CopyDirectory.php
new file mode 100644
index 00000000000..2f6167ef85e
--- /dev/null
+++ b/lib/private/Files/Storage/PolyFill/CopyDirectory.php
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\Files\Storage\PolyFill;
+
+trait CopyDirectory {
+	/**
+	 * Check if a path is a directory
+	 */
+	abstract public function is_dir(string $path): bool;
+
+	/**
+	 * Check if a file or folder exists
+	 */
+	abstract public function file_exists(string $path): bool;
+
+	/**
+	 * Delete a file or folder
+	 */
+	abstract public function unlink(string $path): bool;
+
+	/**
+	 * Open a directory handle for a folder
+	 *
+	 * @return resource|false
+	 */
+	abstract public function opendir(string $path);
+
+	/**
+	 * Create a new folder
+	 */
+	abstract public function mkdir(string $path): bool;
+
+	public function copy(string $source, string $target): bool {
+		if ($this->is_dir($source)) {
+			if ($this->file_exists($target)) {
+				$this->unlink($target);
+			}
+			$this->mkdir($target);
+			return $this->copyRecursive($source, $target);
+		} else {
+			return parent::copy($source, $target);
+		}
+	}
+
+	/**
+	 * For adapters that don't support copying folders natively
+	 */
+	protected function copyRecursive(string $source, string $target): bool {
+		$dh = $this->opendir($source);
+		$result = true;
+		while (($file = readdir($dh)) !== false) {
+			if (!\OC\Files\Filesystem::isIgnoredDir($file)) {
+				if ($this->is_dir($source . '/' . $file)) {
+					$this->mkdir($target . '/' . $file);
+					$result = $this->copyRecursive($source . '/' . $file, $target . '/' . $file);
+				} else {
+					$result = parent::copy($source . '/' . $file, $target . '/' . $file);
+				}
+				if (!$result) {
+					break;
+				}
+			}
+		}
+		return $result;
+	}
+}