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<?php
/**
* SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\DAV\Files\Sharing;
use OC\Files\View;
use OCP\Share\IShare;
use Sabre\DAV\Exception\MethodNotAllowed;
use Sabre\DAV\ServerPlugin;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;
/**
* Make sure that the destination is writable
*/
class FilesDropPlugin extends ServerPlugin {
private ?View $view = null;
private ?IShare $share = null;
private bool $enabled = false;
public function setView(View $view): void {
$this->view = $view;
}
public function setShare(IShare $share): void {
$this->share = $share;
}
public function enable(): void {
$this->enabled = true;
}
/**
* This initializes the plugin.
*
* @param \Sabre\DAV\Server $server Sabre server
*
* @return void
* @throws MethodNotAllowed
*/
public function initialize(\Sabre\DAV\Server $server): void {
$server->on('beforeMethod:*', [$this, 'beforeMethod'], 999);
$this->enabled = false;
}
public function beforeMethod(RequestInterface $request, ResponseInterface $response): void {
if (!$this->enabled || $this->share === null || $this->view === null) {
return;
}
// Only allow file drop
if ($request->getMethod() !== 'PUT') {
throw new MethodNotAllowed('Only PUT is allowed on files drop');
}
// Always upload at the root level
$path = explode('/', $request->getPath());
$path = array_pop($path);
// Extract the attributes for the file request
$attributes = $this->share->getAttributes();
if ($attributes === null) {
return;
}
// Prepare file request
$nickName = $request->getHeader('X-NC-Nickname');
$isFileRequest = $attributes->getAttribute('fileRequest', 'enabled') === true;
// We need a valid nickname for file requests
if ($isFileRequest && ($nickName == null || trim($nickName) === '')) {
throw new MethodNotAllowed('Nickname is required for file requests');
}
// If this is a file request we need to create a folder for the user
if ($isFileRequest) {
// Check if the folder already exists
if (!($this->view->file_exists($nickName) === true)) {
$this->view->mkdir($nickName);
}
// Put all files in the subfolder
$path = $nickName . '/' . $path;
}
$newName = \OC_Helper::buildNotExistingFileNameForView('/', $path, $this->view);
$url = $request->getBaseUrl() . $newName;
$request->setUrl($url);
}
}
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