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[stable28] fix: Properly fetch version from shared files by accessing the owner storage version #42074

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merged 1 commit into from
Dec 7, 2023
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[stable28] fix: Properly fetch version from shared files by accessing the owner storage version #42074

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16 changes: 16 additions & 0 deletions apps/files_versions/lib/Versions/LegacyVersionsBackend.php
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
namespace OCA\Files_Versions\Versions;

use OC\Files\View;
use OCA\Files_Sharing\ISharedStorage;
use OCA\Files_Sharing\SharedStorage;
use OCA\Files_Versions\Db\VersionEntity;
use OCA\Files_Versions\Db\VersionsMapper;
Expand Down Expand Up @@ -196,6 +197,21 @@ public function read(IVersion $version) {

public function getVersionFile(IUser $user, FileInfo $sourceFile, $revision): File {
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
$owner = $sourceFile->getOwner();
$storage = $sourceFile->getStorage();

// Shared files have their versions in the owners root folder so we need to obtain them from there
if ($storage->instanceOfStorage(ISharedStorage::class) && $owner) {
/** @var SharedStorage $storage */
$userFolder = $this->rootFolder->getUserFolder($owner->getUID());
$user = $owner;
$ownerPathInStorage = $sourceFile->getInternalPath();
$sourceFile = $storage->getShare()->getNode();
if ($sourceFile instanceof Folder) {
$sourceFile = $sourceFile->get($ownerPathInStorage);
}
}

$versionFolder = $this->getVersionFolder($user);
/** @var File $file */
$file = $versionFolder->get($userFolder->getRelativePath($sourceFile->getPath()) . '.v' . $revision);
Expand Down
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