nextcloud/apps/files_sharing/lib/Controller/ShareInfoController.php

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<?php
namespace OCA\Files_Sharing\Controller;
use OCA\Files_External\NotFoundException;
use OCP\AppFramework\ApiController;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\Constants;
use OCP\Files\File;
use OCP\Files\Folder;
use OCP\Files\Node;
use OCP\ILogger;
use OCP\IRequest;
use OCP\Share\Exceptions\ShareNotFound;
use OCP\Share\IManager;
class ShareInfoController extends ApiController {
/** @var IManager */
private $shareManager;
/**
* ShareInfoController constructor.
*
* @param string $appName
* @param IRequest $request
* @param IManager $shareManager
*/
public function __construct($appName,
IRequest $request,
IManager $shareManager) {
parent::__construct($appName, $request);
$this->shareManager = $shareManager;
}
/**
* @PublicPage
* @NoCSRFRequired
*
* @param string $t
* @param null $password
* @param null $dir
* @return JSONResponse
* @throws ShareNotFound
*/
public function info($t, $password = null, $dir = null) {
try {
$share = $this->shareManager->getShareByToken($t);
} catch (ShareNotFound $e) {
return new JSONResponse([], Http::STATUS_NOT_FOUND);
}
if ($share->getPassword() && !$this->shareManager->checkPassword($share, $password)) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
}
if (!($share->getPermissions() & Constants::PERMISSION_READ)) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
}
$isWritable = $share->getPermissions() & (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_CREATE);
if (!$isWritable) {
$this->addROWrapper();
}
$node = $share->getNode();
if ($dir !== null && $node instanceof Folder) {
try {
$node = $node->get($dir);
} catch (NotFoundException $e) {
}
}
return new JSONResponse($this->parseNode($node));
}
private function parseNode(Node $node) {
if ($node instanceof File) {
return $this->parseFile($node);
}
return $this->parseFolder($node);
}
private function parseFile(File $file) {
return $this->format($file);
}
private function parseFolder(Folder $folder) {
$data = $this->format($folder);
$data['children'] = [];
$nodes = $folder->getDirectoryListing();
foreach ($nodes as $node) {
$data['children'][] = $this->parseNode($node);
}
return $data;
}
private function format(Node $node) {
$entry = [];
$entry['id'] = $node->getId();
$entry['parentId'] = $node->getParent()->getId();
$entry['mtime'] = $node->getMTime();
$entry['name'] = $node->getName();
$entry['permissions'] = $node->getPermissions();
$entry['mimetype'] = $node->getMimetype();
$entry['size'] = $node->getSize();
$entry['type'] = $node->getType();
$entry['etag'] = $node->getEtag();
return $entry;
}
protected function addROWrapper() {
// FIXME: should not add storage wrappers outside of preSetup, need to find a better way
$previousLog = \OC\Files\Filesystem::logWarningWhenAddingStorageWrapper(false);
\OC\Files\Filesystem::addStorageWrapper('readonly', function ($mountPoint, $storage) {
return new \OC\Files\Storage\Wrapper\PermissionsMask(array('storage' => $storage, 'mask' => \OCP\Constants::PERMISSION_READ + \OCP\Constants::PERMISSION_SHARE));
});
\OC\Files\Filesystem::logWarningWhenAddingStorageWrapper($previousLog);
}
}