Skip to content

fix: try to find non-recursive share source #46881

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
sorbaugh merged 1 commit into from
Aug 1, 2024
Merged

fix: try to find non-recursive share source #46881

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
24 changes: 18 additions & 6 deletions apps/files_sharing/lib/SharedStorage.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -145,18 +145,30 @@ private function init() {
$rootFolder = \OC::$server->get(IRootFolder::class);
$this->ownerUserFolder = $rootFolder->getUserFolder($this->superShare->getShareOwner());
$sourceId = $this->superShare->getNodeId();
$ownerNode = $this->ownerUserFolder->getFirstNodeById($sourceId);
if (!$ownerNode) {
$ownerNodes = $this->ownerUserFolder->getById($sourceId);

if (count($ownerNodes) === 0) {
$this->storage = new FailedStorage(['exception' => new NotFoundException("File by id $sourceId not found")]);
$this->cache = new FailedCache();
$this->rootPath = '';
} else {
$this->nonMaskedStorage = $ownerNode->getStorage();
if ($this->nonMaskedStorage instanceof Wrapper && $this->nonMaskedStorage->isWrapperOf($this)) {
foreach ($ownerNodes as $ownerNode) {
$nonMaskedStorage = $ownerNode->getStorage();

// check if potential source node would lead to a recursive share setup
if ($nonMaskedStorage instanceof Wrapper && $nonMaskedStorage->isWrapperOf($this)) {
continue;
}
$this->nonMaskedStorage = $nonMaskedStorage;
$this->sourcePath = $ownerNode->getPath();
$this->rootPath = $ownerNode->getInternalPath();
$this->cache = null;
break;
}
if (!$this->nonMaskedStorage) {

Check notice

Code scanning / Psalm

DocblockTypeContradiction

Operand of type false is always falsy

Check notice

Code scanning / Psalm

DocblockTypeContradiction

Docblock-defined type OCP\Files\Storage\IStorage for $this->nonMaskedStorage is never falsy
// all potential source nodes would have been recursive
throw new \Exception('recursive share detected');
}
$this->sourcePath = $ownerNode->getPath();
$this->rootPath = $ownerNode->getInternalPath();
$this->storage = new PermissionsMask([
'storage' => $this->nonMaskedStorage,
'mask' => $this->superShare->getPermissions(),
Expand Down