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Merge pull request #260 from nextcloud/fix-versions-stable9 

[stable9] check permissions before rollback
This commit is contained in:
Lukas Reschke 2016-06-30 17:15:28 +02:00 committed by GitHub
parent 912f07e2a9 1208953ba1
commit d52343fc4e
1 changed files with 11 additions and 5 deletions
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12
apps/files_versions/lib/storage.php
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@ -325,6 +325,13 @@ class Storage {
$files_view = new View('/'. User::getUser().'/files');
$versionCreated = false;
$fileInfo = $files_view->getFileInfo($file);
// check if user has the permissions to revert a version
if (!$fileInfo->isUpdateable()) {
return false;
}
//first create a new version
$version = 'files_versions'.$filename.'.v'.$users_view->filemtime('files'.$filename);
if (!$users_view->file_exists($version)) {
@ -338,10 +345,9 @@ class Storage {
// This has to happen manually here since the file is manually copied below
$oldVersion = $users_view->getFileInfo($fileToRestore)->getEncryptedVersion();
$oldFileInfo = $users_view->getFileInfo($fileToRestore);
$newFileInfo = $files_view->getFileInfo($filename);
$cache = $newFileInfo->getStorage()->getCache();
$cache = $fileInfo->getStorage()->getCache();
$cache->update(
$newFileInfo->getId(), [
$fileInfo->getId(), [
'encrypted' => $oldVersion,
'encryptedVersion' => $oldVersion,
'size' => $oldFileInfo->getSize()