1 files changed, 99 insertions, 0 deletions
diff --git a/apps/files_external/lib/Lib/Storage/StreamWrapper.php b/apps/files_external/lib/Lib/Storage/StreamWrapper.php
new file mode 100644
index 00000000000..1272b9d4d8a
--- /dev/null
+++ b/apps/files_external/lib/Lib/Storage/StreamWrapper.php
@@ -0,0 +1,99 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2020-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OCA\Files_External\Lib\Storage;
+
+use OC\Files\Storage\Common;
+
+abstract class StreamWrapper extends Common {
+
+	abstract public function constructUrl(string $path): ?string;
+
+	public function mkdir(string $path): bool {
+		return mkdir($this->constructUrl($path));
+	}
+
+	public function rmdir(string $path): bool {
+		if ($this->is_dir($path) && $this->isDeletable($path)) {
+			$dh = $this->opendir($path);
+			if (!is_resource($dh)) {
+				return false;
+			}
+			while (($file = readdir($dh)) !== false) {
+				if ($this->is_dir($path . '/' . $file)) {
+					$this->rmdir($path . '/' . $file);
+				} else {
+					$this->unlink($path . '/' . $file);
+				}
+			}
+			$url = $this->constructUrl($path);
+			$success = rmdir($url);
+			clearstatcache(false, $url);
+			return $success;
+		} else {
+			return false;
+		}
+	}
+
+	public function opendir(string $path) {
+		return opendir($this->constructUrl($path));
+	}
+
+	public function filetype(string $path): string|false {
+		return @filetype($this->constructUrl($path));
+	}
+
+	public function file_exists(string $path): bool {
+		return file_exists($this->constructUrl($path));
+	}
+
+	public function unlink(string $path): bool {
+		$url = $this->constructUrl($path);
+		$success = unlink($url);
+		// normally unlink() is supposed to do this implicitly,
+		// but doing it anyway just to be sure
+		clearstatcache(false, $url);
+		return $success;
+	}
+
+	public function fopen(string $path, string $mode) {
+		return fopen($this->constructUrl($path), $mode);
+	}
+
+	public function touch(string $path, ?int $mtime = null): bool {
+		if ($this->file_exists($path)) {
+			if (is_null($mtime)) {
+				$fh = $this->fopen($path, 'a');
+				fwrite($fh, '');
+				fclose($fh);
+
+				return true;
+			} else {
+				return false; //not supported
+			}
+		} else {
+			$this->file_put_contents($path, '');
+			return true;
+		}
+	}
+
+	public function getFile(string $path, string $target): bool {
+		return copy($this->constructUrl($path), $target);
+	}
+
+	public function uploadFile(string $path, string $target): bool {
+		return copy($path, $this->constructUrl($target));
+	}
+
+	public function rename(string $source, string $target): bool {
+		return rename($this->constructUrl($source), $this->constructUrl($target));
+	}
+
+	public function stat(string $path): array|false {
+		return stat($this->constructUrl($path));
+	}
+}