/**
* Updates the data
*
* The data argument is a readable stream resource.
*
* After a succesful put operation, you may choose to return an ETag. The
* etag must always be surrounded by double-quotes. These quotes must
* appear in the actual string you're returning.
*
* Clients may use the ETag from a PUT request to later on make sure that
* when they update the file, the contents haven't changed in the mean
* time.
*
* If you don't plan to store the file byte-by-byte, and you return a
* different object on a subsequent GET you are strongly recommended to not
* return an ETag, and just return null.
*
* @param resource $data
* @throws Sabre_DAV_Exception_Forbidden
* @return string|null
*/
public function put($data)
{
if (!\OC\Files\Filesystem::isUpdatable($this->path)) {
throw new \Sabre_DAV_Exception_Forbidden();
}
// mark file as partial while uploading (ignored by the scanner)
$partpath = $this->path . '.part';
\OC\Files\Filesystem::file_put_contents($partpath, $data);
//detect aborted upload
if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PUT') {
if (isset($_SERVER['CONTENT_LENGTH'])) {
$expected = $_SERVER['CONTENT_LENGTH'];
$actual = \OC\Files\Filesystem::filesize($partpath);
if ($actual != $expected) {
\OC\Files\Filesystem::unlink($partpath);
throw new Sabre_DAV_Exception_BadRequest('expected filesize ' . $expected . ' got ' . $actual);
}
}
}
// rename to correct path
\OC\Files\Filesystem::rename($partpath, $this->path);
//allow sync clients to send the mtime along in a header
$mtime = OC_Request::hasModificationTime();
if ($mtime !== false) {
if (\OC\Files\Filesystem::touch($this->path, $mtime)) {
header('X-OC-MTime: accepted');
}
}
return OC_Connector_Sabre_Node::getETagPropertyForPath($this->path);
}
private function createFileChunked($data)
{
list($path, $name) = \Sabre_DAV_URLUtil::splitPath($this->path);
$info = OC_FileChunking::decodeName($name);
if (empty($info)) {
throw new Sabre_DAV_Exception_NotImplemented();
}
$chunk_handler = new OC_FileChunking($info);
$bytesWritten = $chunk_handler->store($info['index'], $data);
//detect aborted upload
if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PUT') {
if (isset($_SERVER['CONTENT_LENGTH'])) {
$expected = $_SERVER['CONTENT_LENGTH'];
if ($bytesWritten != $expected) {
$chunk_handler->remove($info['index']);
throw new Sabre_DAV_Exception_BadRequest('expected filesize ' . $expected . ' got ' . $bytesWritten);
}
}
}
if ($chunk_handler->isComplete()) {
// we first assembly the target file as a part file
$partFile = $path . '/' . $info['name'] . '.ocTransferId' . $info['transferid'] . '.part';
$chunk_handler->file_assemble($partFile);
// here is the final atomic rename
$fs = $this->getFS();
$targetPath = $path . '/' . $info['name'];
$renameOkay = $fs->rename($partFile, $targetPath);
$fileExists = $fs->file_exists($targetPath);
if ($renameOkay === false || $fileExists === false) {
\OC_Log::write('webdav', '\\OC\\Files\\Filesystem::rename() failed', \OC_Log::ERROR);
// only delete if an error occurred and the target file was already created
if ($fileExists) {
$fs->unlink($targetPath);
}
throw new Sabre_DAV_Exception('Could not rename part file assembled from chunks');
}
// allow sync clients to send the mtime along in a header
$mtime = OC_Request::hasModificationTime();
if ($mtime !== false) {
if ($fs->touch($targetPath, $mtime)) {
header('X-OC-MTime: accepted');
}
}
return OC_Connector_Sabre_Node::getETagPropertyForPath($targetPath);
}
return null;
}
/**
* Returns a list of properties for this nodes.;
*
* The properties list is a list of propertynames the client requested,
* encoded as xmlnamespace#tagName, for example:
* http://www.example.org/namespace#author
* If the array is empty, all properties should be returned
*
* @param array $properties
* @return array
*/
public function getProperties($properties)
{
$props = parent::getProperties($properties);
if (in_array(self::GETETAG_PROPERTYNAME, $properties) && !isset($props[self::GETETAG_PROPERTYNAME])) {
$props[self::GETETAG_PROPERTYNAME] = $this->info->getEtag();
}
return $props;
}
/**
* Returns a list of properties for this nodes.;
*
* The properties list is a list of propertynames the client requested,
* encoded as xmlnamespace#tagName, for example:
* http://www.example.org/namespace#author
* If the array is empty, all properties should be returned
*
* @param array $properties
* @return array
*/
public function getProperties($properties)
{
$props = parent::getProperties($properties);
if (in_array(self::GETETAG_PROPERTYNAME, $properties) && !isset($props[self::GETETAG_PROPERTYNAME])) {
$props[self::GETETAG_PROPERTYNAME] = $this->getETagPropertyForPath($this->path);
}
return $props;
}
/**
* Updates the data
*
* The data argument is a readable stream resource.
*
* After a succesful put operation, you may choose to return an ETag. The
* etag must always be surrounded by double-quotes. These quotes must
* appear in the actual string you're returning.
*
* Clients may use the ETag from a PUT request to later on make sure that
* when they update the file, the contents haven't changed in the mean
* time.
*
* If you don't plan to store the file byte-by-byte, and you return a
* different object on a subsequent GET you are strongly recommended to not
* return an ETag, and just return null.
*
* @param resource $data
* @return string|null
*/
public function put($data)
{
OC_Filesystem::file_put_contents($this->path, $data);
return OC_Connector_Sabre_Node::getETagPropertyForPath($this->path);
}
public static function removeETagHook($params, $root = false)
{
if (isset($params['path'])) {
$path = $params['path'];
} else {
$path = $params['oldpath'];
}
if ($root) {
// reduce path to the required part of it (no 'username/files')
$fakeRootView = new OC_FilesystemView($root);
$count = 1;
$path = str_replace(OC_App::getStorage("files")->getAbsolutePath($path), "", $fakeRootView->getAbsolutePath($path), $count);
}
$path = self::normalizePath($path);
OC_Connector_Sabre_Node::removeETagPropertyForPath($path);
}
