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[stable23] always use the default fs owner when storing versions #33971

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merged 1 commit into from
Sep 27, 2022
Merged

[stable23] always use the default fs owner when storing versions #33971

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41 changes: 27 additions & 14 deletions apps/files_versions/lib/Storage.php
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@
use OC_User;
use OC\Files\Filesystem;
use OC\Files\View;
use OCA\Files_Sharing\SharedMount;
use OCA\Files_Versions\AppInfo\Application;
use OCA\Files_Versions\Command\Expire;
use OCA\Files_Versions\Events\CreateVersionEvent;
Expand Down Expand Up @@ -188,33 +189,45 @@ public static function store($filename) {
return false;
}

[$uid, $filename] = self::getUidAndFilename($filename);
// since hook paths are always relative to the "default filesystem view"
// we always use the owner from there to get the full node
$uid = Filesystem::getView()->getOwner('');

$files_view = new View('/'.$uid .'/files');
/** @var IRootFolder $rootFolder */
$rootFolder = \OC::$server->get(IRootFolder::class);
$userFolder = $rootFolder->getUserFolder($uid);

$eventDispatcher = \OC::$server->get(IEventDispatcher::class);
$fileInfo = $files_view->getFileInfo($filename);
$id = $fileInfo->getId();
$nodes = \OC::$server->get(IRootFolder::class)->getUserFolder($uid)->getById($id);
foreach ($nodes as $node) {
$event = new CreateVersionEvent($node);
$eventDispatcher->dispatch('OCA\Files_Versions::createVersion', $event);
if ($event->shouldCreateVersion() === false) {
return false;
try {
$file = $userFolder->get($filename);
} catch (NotFoundException $e) {
return false;
}

$mount = $file->getMountPoint();
if ($mount instanceof SharedMount) {
$ownerFolder = $rootFolder->getUserFolder($mount->getShare()->getShareOwner());
$ownerNodes = $ownerFolder->getById($file->getId());
if (count($ownerNodes)) {
$file = current($ownerNodes);
}
}

// no use making versions for empty files
if ($fileInfo->getSize() === 0) {
if ($file->getSize() === 0) {
return false;
}

$event = new CreateVersionEvent($file);
$eventDispatcher->dispatch('OCA\Files_Versions::createVersion', $event);
if ($event->shouldCreateVersion() === false) {
return false;
}

/** @var IVersionManager $versionManager */
$versionManager = \OC::$server->get(IVersionManager::class);
$userManager = \OC::$server->get(IUserManager::class);
$user = $userManager->get($uid);

$versionManager->createVersion($user, $fileInfo);
$versionManager->createVersion($file->getOwner(), $file);
}


Expand Down