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<?php
/**
* SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Files_Sharing\Controller;
use OCA\Files_External\NotFoundException;
use OCA\Files_Sharing\ResponseDefinitions;
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\IRequest;
use OCP\Share\Exceptions\ShareNotFound;
use OCP\Share\IManager;
/**
* @psalm-import-type Files_SharingShareInfo from ResponseDefinitions
*/
class ShareInfoController extends ApiController {
/** @var IManager */
private $shareManager;
/**
* ShareInfoController constructor.
*
* @param string $appName
* @param IRequest $request
* @param IManager $shareManager
*/
public function __construct(string $appName,
IRequest $request,
IManager $shareManager) {
parent::__construct($appName, $request);
$this->shareManager = $shareManager;
}
/**
* @PublicPage
* @NoCSRFRequired
* @BruteForceProtection(action=shareinfo)
*
* Get the info about a share
*
* @param string $t Token of the share
* @param string|null $password Password of the share
* @param string|null $dir Subdirectory to get info about
* @param int $depth Maximum depth to get info about
* @return JSONResponse<Http::STATUS_OK, Files_SharingShareInfo, array{}>|JSONResponse<Http::STATUS_FORBIDDEN|Http::STATUS_NOT_FOUND, array<empty>, array{}>
*
* 200: Share info returned
* 403: Getting share info is not allowed
* 404: Share not found
*/
public function info(string $t, ?string $password = null, ?string $dir = null, int $depth = -1): JSONResponse {
try {
$share = $this->shareManager->getShareByToken($t);
} catch (ShareNotFound $e) {
$response = new JSONResponse([], Http::STATUS_NOT_FOUND);
$response->throttle(['token' => $t]);
return $response;
}
if ($share->getPassword() && !$this->shareManager->checkPassword($share, $password)) {
$response = new JSONResponse([], Http::STATUS_FORBIDDEN);
$response->throttle(['token' => $t]);
return $response;
}
if (!($share->getPermissions() & Constants::PERMISSION_READ)) {
$response = new JSONResponse([], Http::STATUS_FORBIDDEN);
$response->throttle(['token' => $t]);
return $response;
}
$permissionMask = $share->getPermissions();
$node = $share->getNode();
if ($dir !== null && $node instanceof Folder) {
try {
$node = $node->get($dir);
} catch (NotFoundException $e) {
}
}
return new JSONResponse($this->parseNode($node, $permissionMask, $depth));
}
/**
* @return Files_SharingShareInfo
*/
private function parseNode(Node $node, int $permissionMask, int $depth): array {
if ($node instanceof File) {
return $this->parseFile($node, $permissionMask);
}
/** @var Folder $node */
return $this->parseFolder($node, $permissionMask, $depth);
}
/**
* @return Files_SharingShareInfo
*/
private function parseFile(File $file, int $permissionMask): array {
return $this->format($file, $permissionMask);
}
/**
* @return Files_SharingShareInfo
*/
private function parseFolder(Folder $folder, int $permissionMask, int $depth): array {
$data = $this->format($folder, $permissionMask);
if ($depth === 0) {
return $data;
}
$data['children'] = [];
$nodes = $folder->getDirectoryListing();
foreach ($nodes as $node) {
$data['children'][] = $this->parseNode($node, $permissionMask, $depth <= -1 ? -1 : $depth - 1);
}
return $data;
}
/**
* @return Files_SharingShareInfo
*/
private function format(Node $node, int $permissionMask): array {
$entry = [];
$entry['id'] = $node->getId();
$entry['parentId'] = $node->getParent()->getId();
$entry['mtime'] = $node->getMTime();
$entry['name'] = $node->getName();
$entry['permissions'] = $node->getPermissions() & $permissionMask;
$entry['mimetype'] = $node->getMimetype();
$entry['size'] = $node->getSize();
$entry['type'] = $node->getType();
$entry['etag'] = $node->getEtag();
return $entry;
}
}
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