Current File : //www/varak.net/nextcloud.varak.net/apps_old/apps/dav/lib/Connector/Sabre/FilesPlugin.php
<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\DAV\Connector\Sabre;
use OC\AppFramework\Http\Request;
use OCA\DAV\Connector\Sabre\Exception\InvalidPath;
use OCP\Constants;
use OCP\Files\ForbiddenException;
use OCP\Files\IFilenameValidator;
use OCP\Files\InvalidPathException;
use OCP\Files\StorageNotAvailableException;
use OCP\FilesMetadata\Exceptions\FilesMetadataException;
use OCP\FilesMetadata\Exceptions\FilesMetadataNotFoundException;
use OCP\FilesMetadata\IFilesMetadataManager;
use OCP\FilesMetadata\Model\IMetadataValueWrapper;
use OCP\IConfig;
use OCP\IPreview;
use OCP\IRequest;
use OCP\IUserSession;
use OCP\L10N\IFactory;
use Sabre\DAV\Exception\Forbidden;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\IFile;
use Sabre\DAV\PropFind;
use Sabre\DAV\PropPatch;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
use Sabre\DAV\Tree;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;
class FilesPlugin extends ServerPlugin {
// namespace
public const NS_OWNCLOUD = 'http://owncloud.org/ns';
public const NS_NEXTCLOUD = 'http://nextcloud.org/ns';
public const FILEID_PROPERTYNAME = '{http://owncloud.org/ns}id';
public const INTERNAL_FILEID_PROPERTYNAME = '{http://owncloud.org/ns}fileid';
public const PERMISSIONS_PROPERTYNAME = '{http://owncloud.org/ns}permissions';
public const SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-collaboration-services.org/ns}share-permissions';
public const OCM_SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-cloud-mesh.org/ns}share-permissions';
public const SHARE_ATTRIBUTES_PROPERTYNAME = '{http://nextcloud.org/ns}share-attributes';
public const DOWNLOADURL_PROPERTYNAME = '{http://owncloud.org/ns}downloadURL';
public const SIZE_PROPERTYNAME = '{http://owncloud.org/ns}size';
public const GETETAG_PROPERTYNAME = '{DAV:}getetag';
public const LASTMODIFIED_PROPERTYNAME = '{DAV:}lastmodified';
public const CREATIONDATE_PROPERTYNAME = '{DAV:}creationdate';
public const DISPLAYNAME_PROPERTYNAME = '{DAV:}displayname';
public const OWNER_ID_PROPERTYNAME = '{http://owncloud.org/ns}owner-id';
public const OWNER_DISPLAY_NAME_PROPERTYNAME = '{http://owncloud.org/ns}owner-display-name';
public const CHECKSUMS_PROPERTYNAME = '{http://owncloud.org/ns}checksums';
public const DATA_FINGERPRINT_PROPERTYNAME = '{http://owncloud.org/ns}data-fingerprint';
public const HAS_PREVIEW_PROPERTYNAME = '{http://nextcloud.org/ns}has-preview';
public const MOUNT_TYPE_PROPERTYNAME = '{http://nextcloud.org/ns}mount-type';
public const MOUNT_ROOT_PROPERTYNAME = '{http://nextcloud.org/ns}is-mount-root';
public const IS_FEDERATED_PROPERTYNAME = '{http://nextcloud.org/ns}is-federated';
public const METADATA_ETAG_PROPERTYNAME = '{http://nextcloud.org/ns}metadata_etag';
public const UPLOAD_TIME_PROPERTYNAME = '{http://nextcloud.org/ns}upload_time';
public const CREATION_TIME_PROPERTYNAME = '{http://nextcloud.org/ns}creation_time';
public const SHARE_NOTE = '{http://nextcloud.org/ns}note';
public const SUBFOLDER_COUNT_PROPERTYNAME = '{http://nextcloud.org/ns}contained-folder-count';
public const SUBFILE_COUNT_PROPERTYNAME = '{http://nextcloud.org/ns}contained-file-count';
public const FILE_METADATA_PREFIX = '{http://nextcloud.org/ns}metadata-';
public const HIDDEN_PROPERTYNAME = '{http://nextcloud.org/ns}hidden';
/** Reference to main server object */
private ?Server $server = null;
/**
* @param Tree $tree
* @param IConfig $config
* @param IRequest $request
* @param IPreview $previewManager
* @param IUserSession $userSession
* @param bool $isPublic Whether this is public WebDAV. If true, some returned information will be stripped off.
* @param bool $downloadAttachment
* @return void
*/
public function __construct(
private Tree $tree,
private IConfig $config,
private IRequest $request,
private IPreview $previewManager,
private IUserSession $userSession,
private IFilenameValidator $validator,
private bool $isPublic = false,
private bool $downloadAttachment = true,
) {
}
/**
* This initializes the plugin.
*
* This function is called by \Sabre\DAV\Server, after
* addPlugin is called.
*
* This method should set up the required event subscriptions.
*
* @return void
*/
public function initialize(Server $server) {
$server->xml->namespaceMap[self::NS_OWNCLOUD] = 'oc';
$server->xml->namespaceMap[self::NS_NEXTCLOUD] = 'nc';
$server->protectedProperties[] = self::FILEID_PROPERTYNAME;
$server->protectedProperties[] = self::INTERNAL_FILEID_PROPERTYNAME;
$server->protectedProperties[] = self::PERMISSIONS_PROPERTYNAME;
$server->protectedProperties[] = self::SHARE_PERMISSIONS_PROPERTYNAME;
$server->protectedProperties[] = self::OCM_SHARE_PERMISSIONS_PROPERTYNAME;
$server->protectedProperties[] = self::SHARE_ATTRIBUTES_PROPERTYNAME;
$server->protectedProperties[] = self::SIZE_PROPERTYNAME;
$server->protectedProperties[] = self::DOWNLOADURL_PROPERTYNAME;
$server->protectedProperties[] = self::OWNER_ID_PROPERTYNAME;
$server->protectedProperties[] = self::OWNER_DISPLAY_NAME_PROPERTYNAME;
$server->protectedProperties[] = self::CHECKSUMS_PROPERTYNAME;
$server->protectedProperties[] = self::DATA_FINGERPRINT_PROPERTYNAME;
$server->protectedProperties[] = self::HAS_PREVIEW_PROPERTYNAME;
$server->protectedProperties[] = self::MOUNT_TYPE_PROPERTYNAME;
$server->protectedProperties[] = self::IS_FEDERATED_PROPERTYNAME;
$server->protectedProperties[] = self::SHARE_NOTE;
// normally these cannot be changed (RFC4918), but we want them modifiable through PROPPATCH
$allowedProperties = ['{DAV:}getetag'];
$server->protectedProperties = array_diff($server->protectedProperties, $allowedProperties);
$this->server = $server;
$this->server->on('propFind', [$this, 'handleGetProperties']);
$this->server->on('propPatch', [$this, 'handleUpdateProperties']);
$this->server->on('afterBind', [$this, 'sendFileIdHeader']);
$this->server->on('afterWriteContent', [$this, 'sendFileIdHeader']);
$this->server->on('afterMethod:GET', [$this,'httpGet']);
$this->server->on('afterMethod:GET', [$this, 'handleDownloadToken']);
$this->server->on('afterResponse', function ($request, ResponseInterface $response) {
$body = $response->getBody();
if (is_resource($body)) {
fclose($body);
}
});
$this->server->on('beforeMove', [$this, 'checkMove']);
$this->server->on('beforeCopy', [$this, 'checkCopy']);
}
/**
* Plugin that checks if a copy can actually be performed.
*
* @param string $source source path
* @param string $target target path
* @throws NotFound If the source does not exist
* @throws InvalidPath If the target is invalid
*/
public function checkCopy($source, $target): void {
$sourceNode = $this->tree->getNodeForPath($source);
if (!$sourceNode instanceof Node) {
return;
}
// Ensure source exists
$sourceNodeFileInfo = $sourceNode->getFileInfo();
if ($sourceNodeFileInfo === null) {
throw new NotFound($source . ' does not exist');
}
// Ensure the target name is valid
try {
[$targetPath, $targetName] = \Sabre\Uri\split($target);
$this->validator->validateFilename($targetName);
} catch (InvalidPathException $e) {
throw new InvalidPath($e->getMessage(), false);
}
// Ensure the target path is valid
$segments = array_slice(explode('/', $targetPath), 2);
foreach ($segments as $segment) {
if ($this->validator->isFilenameValid($segment) === false) {
$l = \OCP\Server::get(IFactory::class)->get('dav');
throw new InvalidPath($l->t('Invalid target path'));
}
}
}
/**
* Plugin that checks if a move can actually be performed.
*
* @param string $source source path
* @param string $target target path
* @throws Forbidden If the source is not deletable
* @throws NotFound If the source does not exist
* @throws InvalidPath If the target name is invalid
*/
public function checkMove(string $source, string $target): void {
$sourceNode = $this->tree->getNodeForPath($source);
if (!$sourceNode instanceof Node) {
return;
}
// First check copyable (move only needs additional delete permission)
$this->checkCopy($source, $target);
// The source needs to be deletable for moving
$sourceNodeFileInfo = $sourceNode->getFileInfo();
if (!$sourceNodeFileInfo->isDeletable()) {
throw new Forbidden($source . ' cannot be deleted');
}
}
/**
* This sets a cookie to be able to recognize the start of the download
* the content must not be longer than 32 characters and must only contain
* alphanumeric characters
*
* @param RequestInterface $request
* @param ResponseInterface $response
*/
public function handleDownloadToken(RequestInterface $request, ResponseInterface $response) {
$queryParams = $request->getQueryParameters();
/**
* this sets a cookie to be able to recognize the start of the download
* the content must not be longer than 32 characters and must only contain
* alphanumeric characters
*/
if (isset($queryParams['downloadStartSecret'])) {
$token = $queryParams['downloadStartSecret'];
if (!isset($token[32])
&& preg_match('!^[a-zA-Z0-9]+$!', $token) === 1) {
// FIXME: use $response->setHeader() instead
setcookie('ocDownloadStarted', $token, time() + 20, '/');
}
}
}
/**
* Add headers to file download
*
* @param RequestInterface $request
* @param ResponseInterface $response
*/
public function httpGet(RequestInterface $request, ResponseInterface $response) {
// Only handle valid files
$node = $this->tree->getNodeForPath($request->getPath());
if (!($node instanceof IFile)) {
return;
}
// adds a 'Content-Disposition: attachment' header in case no disposition
// header has been set before
if ($this->downloadAttachment &&
$response->getHeader('Content-Disposition') === null) {
$filename = $node->getName();
if ($this->request->isUserAgent(
[
Request::USER_AGENT_IE,
Request::USER_AGENT_ANDROID_MOBILE_CHROME,
Request::USER_AGENT_FREEBOX,
])) {
$response->addHeader('Content-Disposition', 'attachment; filename="' . rawurlencode($filename) . '"');
} else {
$response->addHeader('Content-Disposition', 'attachment; filename*=UTF-8\'\'' . rawurlencode($filename)
. '; filename="' . rawurlencode($filename) . '"');
}
}
if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
//Add OC-Checksum header
$checksum = $node->getChecksum();
if ($checksum !== null && $checksum !== '') {
$response->addHeader('OC-Checksum', $checksum);
}
}
$response->addHeader('X-Accel-Buffering', 'no');
}
/**
* Adds all ownCloud-specific properties
*
* @param PropFind $propFind
* @param \Sabre\DAV\INode $node
* @return void
*/
public function handleGetProperties(PropFind $propFind, \Sabre\DAV\INode $node) {
$httpRequest = $this->server->httpRequest;
if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
/**
* This was disabled, because it made dir listing throw an exception,
* so users were unable to navigate into folders where one subitem
* is blocked by the files_accesscontrol app, see:
* https://github.com/nextcloud/files_accesscontrol/issues/65
* if (!$node->getFileInfo()->isReadable()) {
* // avoid detecting files through this means
* throw new NotFound();
* }
*/
$propFind->handle(self::FILEID_PROPERTYNAME, function () use ($node) {
return $node->getFileId();
});
$propFind->handle(self::INTERNAL_FILEID_PROPERTYNAME, function () use ($node) {
return $node->getInternalFileId();
});
$propFind->handle(self::PERMISSIONS_PROPERTYNAME, function () use ($node) {
$perms = $node->getDavPermissions();
if ($this->isPublic) {
// remove mount information
$perms = str_replace(['S', 'M'], '', $perms);
}
return $perms;
});
$propFind->handle(self::SHARE_PERMISSIONS_PROPERTYNAME, function () use ($node, $httpRequest) {
$user = $this->userSession->getUser();
if ($user === null) {
return null;
}
return $node->getSharePermissions(
$user->getUID()
);
});
$propFind->handle(self::OCM_SHARE_PERMISSIONS_PROPERTYNAME, function () use ($node, $httpRequest): ?string {
$user = $this->userSession->getUser();
if ($user === null) {
return null;
}
$ncPermissions = $node->getSharePermissions(
$user->getUID()
);
$ocmPermissions = $this->ncPermissions2ocmPermissions($ncPermissions);
return json_encode($ocmPermissions, JSON_THROW_ON_ERROR);
});
$propFind->handle(self::SHARE_ATTRIBUTES_PROPERTYNAME, function () use ($node, $httpRequest) {
return json_encode($node->getShareAttributes(), JSON_THROW_ON_ERROR);
});
$propFind->handle(self::GETETAG_PROPERTYNAME, function () use ($node): string {
return $node->getETag();
});
$propFind->handle(self::OWNER_ID_PROPERTYNAME, function () use ($node): ?string {
$owner = $node->getOwner();
if (!$owner) {
return null;
} else {
return $owner->getUID();
}
});
$propFind->handle(self::OWNER_DISPLAY_NAME_PROPERTYNAME, function () use ($node): ?string {
$owner = $node->getOwner();
if (!$owner) {
return null;
} else {
return $owner->getDisplayName();
}
});
$propFind->handle(self::HAS_PREVIEW_PROPERTYNAME, function () use ($node) {
return json_encode($this->previewManager->isAvailable($node->getFileInfo()), JSON_THROW_ON_ERROR);
});
$propFind->handle(self::SIZE_PROPERTYNAME, function () use ($node): int|float {
return $node->getSize();
});
$propFind->handle(self::MOUNT_TYPE_PROPERTYNAME, function () use ($node) {
return $node->getFileInfo()->getMountPoint()->getMountType();
});
/**
* This is a special property which is used to determine if a node
* is a mount root or not, e.g. a shared folder.
* If so, then the node can only be unshared and not deleted.
* @see https://github.com/nextcloud/server/blob/cc75294eb6b16b916a342e69998935f89222619d/lib/private/Files/View.php#L696-L698
*/
$propFind->handle(self::MOUNT_ROOT_PROPERTYNAME, function () use ($node) {
return $node->getNode()->getInternalPath() === '' ? 'true' : 'false';
});
$propFind->handle(self::SHARE_NOTE, function () use ($node): ?string {
$user = $this->userSession->getUser();
return $node->getNoteFromShare(
$user?->getUID()
);
});
$propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function () {
return $this->config->getSystemValue('data-fingerprint', '');
});
$propFind->handle(self::CREATIONDATE_PROPERTYNAME, function () use ($node) {
return (new \DateTimeImmutable())
->setTimestamp($node->getFileInfo()->getCreationTime())
->format(\DateTimeInterface::ATOM);
});
$propFind->handle(self::CREATION_TIME_PROPERTYNAME, function () use ($node) {
return $node->getFileInfo()->getCreationTime();
});
foreach ($node->getFileInfo()->getMetadata() as $metadataKey => $metadataValue) {
$propFind->handle(self::FILE_METADATA_PREFIX . $metadataKey, $metadataValue);
}
$propFind->handle(self::HIDDEN_PROPERTYNAME, function () use ($node) {
$isLivePhoto = isset($node->getFileInfo()->getMetadata()['files-live-photo']);
$isMovFile = $node->getFileInfo()->getMimetype() === 'video/quicktime';
return ($isLivePhoto && $isMovFile) ? 'true' : 'false';
});
/**
* Return file/folder name as displayname. The primary reason to
* implement it this way is to avoid costly fallback to
* CustomPropertiesBackend (esp. visible when querying all files
* in a folder).
*/
$propFind->handle(self::DISPLAYNAME_PROPERTYNAME, function () use ($node) {
return $node->getName();
});
$propFind->handle(self::IS_FEDERATED_PROPERTYNAME, function () use ($node) {
return $node->getFileInfo()->getMountPoint()
instanceof \OCA\Files_Sharing\External\Mount;
});
}
if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
$propFind->handle(self::DOWNLOADURL_PROPERTYNAME, function () use ($node) {
try {
$directDownloadUrl = $node->getDirectDownload();
if (isset($directDownloadUrl['url'])) {
return $directDownloadUrl['url'];
}
} catch (StorageNotAvailableException $e) {
return false;
} catch (ForbiddenException $e) {
return false;
}
return false;
});
$propFind->handle(self::CHECKSUMS_PROPERTYNAME, function () use ($node) {
$checksum = $node->getChecksum();
if ($checksum === null || $checksum === '') {
return null;
}
return new ChecksumList($checksum);
});
$propFind->handle(self::UPLOAD_TIME_PROPERTYNAME, function () use ($node) {
return $node->getFileInfo()->getUploadTime();
});
}
if ($node instanceof Directory) {
$propFind->handle(self::SIZE_PROPERTYNAME, function () use ($node) {
return $node->getSize();
});
$requestProperties = $propFind->getRequestedProperties();
if (in_array(self::SUBFILE_COUNT_PROPERTYNAME, $requestProperties, true)
|| in_array(self::SUBFOLDER_COUNT_PROPERTYNAME, $requestProperties, true)) {
$nbFiles = 0;
$nbFolders = 0;
foreach ($node->getChildren() as $child) {
if ($child instanceof File) {
$nbFiles++;
} elseif ($child instanceof Directory) {
$nbFolders++;
}
}
$propFind->handle(self::SUBFILE_COUNT_PROPERTYNAME, $nbFiles);
$propFind->handle(self::SUBFOLDER_COUNT_PROPERTYNAME, $nbFolders);
}
}
}
/**
* translate Nextcloud permissions to OCM Permissions
*
* @param $ncPermissions
* @return array
*/
protected function ncPermissions2ocmPermissions($ncPermissions) {
$ocmPermissions = [];
if ($ncPermissions & Constants::PERMISSION_SHARE) {
$ocmPermissions[] = 'share';
}
if ($ncPermissions & Constants::PERMISSION_READ) {
$ocmPermissions[] = 'read';
}
if (($ncPermissions & Constants::PERMISSION_CREATE) ||
($ncPermissions & Constants::PERMISSION_UPDATE)) {
$ocmPermissions[] = 'write';
}
return $ocmPermissions;
}
/**
* Update ownCloud-specific properties
*
* @param string $path
* @param PropPatch $propPatch
*
* @return void
*/
public function handleUpdateProperties($path, PropPatch $propPatch) {
$node = $this->tree->getNodeForPath($path);
if (!($node instanceof \OCA\DAV\Connector\Sabre\Node)) {
return;
}
$propPatch->handle(self::LASTMODIFIED_PROPERTYNAME, function ($time) use ($node) {
if (empty($time)) {
return false;
}
$node->touch($time);
return true;
});
$propPatch->handle(self::GETETAG_PROPERTYNAME, function ($etag) use ($node) {
if (empty($etag)) {
return false;
}
return $node->setEtag($etag) !== -1;
});
$propPatch->handle(self::CREATIONDATE_PROPERTYNAME, function ($time) use ($node) {
if (empty($time)) {
return false;
}
$dateTime = new \DateTimeImmutable($time);
$node->setCreationTime($dateTime->getTimestamp());
return true;
});
$propPatch->handle(self::CREATION_TIME_PROPERTYNAME, function ($time) use ($node) {
if (empty($time)) {
return false;
}
$node->setCreationTime((int) $time);
return true;
});
$this->handleUpdatePropertiesMetadata($propPatch, $node);
/**
* Disable modification of the displayname property for files and
* folders via PROPPATCH. See PROPFIND for more information.
*/
$propPatch->handle(self::DISPLAYNAME_PROPERTYNAME, function ($displayName) {
return 403;
});
}
/**
* handle the update of metadata from PROPPATCH requests
*
* @param PropPatch $propPatch
* @param Node $node
*
* @throws FilesMetadataException
*/
private function handleUpdatePropertiesMetadata(PropPatch $propPatch, Node $node): void {
$userId = $this->userSession->getUser()?->getUID();
if ($userId === null) {
return;
}
$accessRight = $this->getMetadataFileAccessRight($node, $userId);
$filesMetadataManager = $this->initFilesMetadataManager();
$knownMetadata = $filesMetadataManager->getKnownMetadata();
foreach ($propPatch->getRemainingMutations() as $mutation) {
if (!str_starts_with($mutation, self::FILE_METADATA_PREFIX)) {
continue;
}
$propPatch->handle(
$mutation,
function (mixed $value) use ($accessRight, $knownMetadata, $node, $mutation, $filesMetadataManager): bool {
$metadata = $filesMetadataManager->getMetadata((int)$node->getFileId(), true);
$metadataKey = substr($mutation, strlen(self::FILE_METADATA_PREFIX));
// confirm metadata key is editable via PROPPATCH
if ($knownMetadata->getEditPermission($metadataKey) < $accessRight) {
throw new FilesMetadataException('you do not have enough rights to update \'' . $metadataKey . '\' on this node');
}
// If the metadata is unknown, it defaults to string.
try {
$type = $knownMetadata->getType($metadataKey);
} catch (FilesMetadataNotFoundException) {
$type = IMetadataValueWrapper::TYPE_STRING;
}
switch ($type) {
case IMetadataValueWrapper::TYPE_STRING:
$metadata->setString($metadataKey, $value, $knownMetadata->isIndex($metadataKey));
break;
case IMetadataValueWrapper::TYPE_INT:
$metadata->setInt($metadataKey, $value, $knownMetadata->isIndex($metadataKey));
break;
case IMetadataValueWrapper::TYPE_FLOAT:
$metadata->setFloat($metadataKey, $value);
break;
case IMetadataValueWrapper::TYPE_BOOL:
$metadata->setBool($metadataKey, $value, $knownMetadata->isIndex($metadataKey));
break;
case IMetadataValueWrapper::TYPE_ARRAY:
$metadata->setArray($metadataKey, $value);
break;
case IMetadataValueWrapper::TYPE_STRING_LIST:
$metadata->setStringList($metadataKey, $value, $knownMetadata->isIndex($metadataKey));
break;
case IMetadataValueWrapper::TYPE_INT_LIST:
$metadata->setIntList($metadataKey, $value, $knownMetadata->isIndex($metadataKey));
break;
}
$filesMetadataManager->saveMetadata($metadata);
return true;
}
);
}
}
/**
* init default internal metadata
*
* @return IFilesMetadataManager
*/
private function initFilesMetadataManager(): IFilesMetadataManager {
/** @var IFilesMetadataManager $manager */
$manager = \OCP\Server::get(IFilesMetadataManager::class);
$manager->initMetadata('files-live-photo', IMetadataValueWrapper::TYPE_STRING, false, IMetadataValueWrapper::EDIT_REQ_OWNERSHIP);
return $manager;
}
/**
* based on owner and shares, returns the bottom limit to update related metadata
*
* @param Node $node
* @param string $userId
*
* @return int
*/
private function getMetadataFileAccessRight(Node $node, string $userId): int {
if ($node->getOwner()?->getUID() === $userId) {
return IMetadataValueWrapper::EDIT_REQ_OWNERSHIP;
} else {
$filePermissions = $node->getSharePermissions($userId);
if ($filePermissions & Constants::PERMISSION_UPDATE) {
return IMetadataValueWrapper::EDIT_REQ_WRITE_PERMISSION;
}
}
return IMetadataValueWrapper::EDIT_REQ_READ_PERMISSION;
}
/**
* @param string $filePath
* @param ?\Sabre\DAV\INode $node
* @return void
* @throws \Sabre\DAV\Exception\BadRequest
*/
public function sendFileIdHeader($filePath, ?\Sabre\DAV\INode $node = null) {
// we get the node for the given $filePath here because in case of afterCreateFile $node is the parent folder
if (!$this->server->tree->nodeExists($filePath)) {
return;
}
$node = $this->server->tree->getNodeForPath($filePath);
if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
$fileId = $node->getFileId();
if (!is_null($fileId)) {
$this->server->httpResponse->setHeader('OC-FileId', $fileId);
}
}
}
}
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