From 6a5950275993394df22b208f1126efae9e35e42b Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Thu, 6 Nov 2014 16:48:20 +0100
Subject: [PATCH] Work directly on the storage when uploading over webdav

---
 lib/private/connector/sabre/file.php | 66 ++++++++++++++++++----------
 1 file changed, 43 insertions(+), 23 deletions(-)

diff --git a/lib/private/connector/sabre/file.php b/lib/private/connector/sabre/file.php
index b4acaa150731..ec27e84c19aa 100644
--- a/lib/private/connector/sabre/file.php
+++ b/lib/private/connector/sabre/file.php
@@ -83,8 +83,8 @@ class File extends Node implements IFile {
 	 */
 	public function put($data) {
 		try {
-			if ($this->info && $this->fileView->file_exists($this->path) &&
-				!$this->info->isUpdateable()) {
+			$exists = $this->fileView->file_exists($this->path);
+			if ($this->info && $exists && !$this->info->isUpdateable()) {
 				throw new Forbidden();
 			}
 		} catch (StorageNotAvailableException $e) {
@@ -110,14 +110,31 @@ public function put($data) {
 			$partFilePath = $this->path;
 		}
 
+		/** @var \OC\Files\Storage\Storage $storage */
+		list($storage, $internalPartPath) = $this->fileView->resolvePath($partFilePath);
+		list(, $internalPath) = $this->fileView->resolvePath($this->path);
 		try {
-			$putOkay = $this->fileView->file_put_contents($partFilePath, $data);
-			if ($putOkay === false) {
+			$target = $storage->fopen($internalPartPath, 'wb');
+			if ($target === false) {
 				\OC_Log::write('webdav', '\OC\Files\Filesystem::file_put_contents() failed', \OC_Log::ERROR);
 				$this->fileView->unlink($partFilePath);
 				// because we have no clue about the cause we can only throw back a 500/Internal Server Error
 				throw new Exception('Could not write file contents');
 			}
+			$count = stream_copy_to_stream($data, $target);
+			fclose($target);
+
+			// if content length is sent by client:
+			// double check if the file was fully received
+			// compare expected and actual size
+			if (isset($_SERVER['CONTENT_LENGTH']) && $_SERVER['REQUEST_METHOD'] !== 'LOCK') {
+				$expected = $_SERVER['CONTENT_LENGTH'];
+				if ($count != $expected) {
+					$storage->unlink($internalPartPath);
+					throw new BadRequest('expected filesize ' . $expected . ' got ' . $count);
+				}
+			}
+
 		} catch (NotPermittedException $e) {
 			// a more general case - due to whatever reason the content could not be written
 			throw new Forbidden($e->getMessage());
@@ -142,35 +159,39 @@ public function put($data) {
 		}
 
 		try {
-			// if content length is sent by client:
-			// double check if the file was fully received
-			// compare expected and actual size
-			if (isset($_SERVER['CONTENT_LENGTH']) && $_SERVER['REQUEST_METHOD'] !== 'LOCK') {
-				$expected = $_SERVER['CONTENT_LENGTH'];
-				$actual = $this->fileView->filesize($partFilePath);
-				if ($actual != $expected) {
-					$this->fileView->unlink($partFilePath);
-					throw new BadRequest('expected filesize ' . $expected . ' got ' . $actual);
-				}
-			}
-
 			if ($needsPartFile) {
 				// rename to correct path
 				try {
-					$renameOkay = $this->fileView->rename($partFilePath, $this->path);
-					$fileExists = $this->fileView->file_exists($this->path);
+					$renameOkay = $storage->rename($internalPartPath, $internalPath);
+					$fileExists = $storage->file_exists($internalPath);
 					if ($renameOkay === false || $fileExists === false) {
 						\OC_Log::write('webdav', '\OC\Files\Filesystem::rename() failed', \OC_Log::ERROR);
 						$this->fileView->unlink($partFilePath);
 						throw new Exception('Could not rename part file to final file');
 					}
-				}
-				catch (LockNotAcquiredException $e) {
+				} catch (\OCP\Files\LockNotAcquiredException $e) {
 					// the file is currently being written to by another process
 					throw new FileLocked($e->getMessage(), $e->getCode(), $e);
 				}
 			}
 
+			// since we skipped the view we need to scan and emit the hooks ourselves
+			$storage->getScanner()->scanFile($internalPath);
+
+			$hookPath = \OC\Files\Filesystem::getView()->getRelativePath($this->fileView->getAbsolutePath($this->path));
+			if (!$exists) {
+				\OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_post_create, array(
+					\OC\Files\Filesystem::signal_param_path => $hookPath
+				));
+			} else {
+				\OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_post_update, array(
+					\OC\Files\Filesystem::signal_param_path => $hookPath
+				));
+			}
+			\OC_Hook::emit(\OC\Files\Filesystem::CLASSNAME, \OC\Files\Filesystem::signal_post_write, array(
+				\OC\Files\Filesystem::signal_param_path => $hookPath
+			));
+
 			// allow sync clients to send the mtime along in a header
 			$request = \OC::$server->getRequest();
 			if (isset($request->server['HTTP_X_OC_MTIME'])) {
@@ -266,8 +287,7 @@ public function getDirectDownload() {
 	 * @throws NotImplemented
 	 * @throws ServiceUnavailable
 	 */
-	private function createFileChunked($data)
-	{
+	private function createFileChunked($data) {
 		list($path, $name) = \Sabre\HTTP\URLUtil::splitPath($this->path);
 
 		$info = \OC_FileChunking::decodeName($name);
@@ -278,7 +298,7 @@ private function createFileChunked($data)
 		$bytesWritten = $chunk_handler->store($info['index'], $data);
 
 		//detect aborted upload
-		if (isset ($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PUT' ) {
+		if (isset ($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PUT') {
 			if (isset($_SERVER['CONTENT_LENGTH'])) {
 				$expected = $_SERVER['CONTENT_LENGTH'];
 				if ($bytesWritten != $expected) {