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Merge pull request #253 from nextcloud/fix-versions 

check permissions before rollback
This commit is contained in:
Morris Jobke 2016-06-30 13:42:45 +02:00 committed by GitHub
parent f7a69c765a 1b74cf72fb
commit 5d0f5f175b
1 changed files with 11 additions and 5 deletions
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16
apps/files_versions/lib/Storage.php
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@ -77,7 +77,7 @@ class Storage {
//until the end one version per week
6 => array('intervalEndsAfter' => -1, 'step' => 604800),
);
/** @var \OCA\Files_Versions\AppInfo\Application */
private static $application;
@ -324,6 +324,13 @@ 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)) {
@ -337,10 +344,9 @@ 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' => $oldFileInfo->getSize()
@ -680,7 +686,7 @@ class Storage {
public static function expire($filename) {
$config = \OC::$server->getConfig();
$expiration = self::getExpiration();
if($config->getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true' && $expiration->isEnabled()) {
if (!Filesystem::file_exists($filename)) {