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Fix bogus deletion on copy + unlink through rename 

Cross-storage rename would cause copy + unlink. That unlink operation
must not trigger the trashbin.
This commit is contained in:
Vincent Petry 2015-01-26 12:22:22 +01:00
parent a1cc9eea56
commit 02b9bad81b
3 changed files with 38 additions and 0 deletions
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31
apps/files_trashbin/lib/storage.php
View File

@ -33,12 +33,43 @@ class Storage extends Wrapper {
// move files across storages
private $deletedFiles = array();
/**
* Disable trash logic
*
* @var bool
*/
private static $disableTrash = false;
function __construct($parameters) {
$this->mountPoint = $parameters['mountPoint'];
parent::__construct($parameters);
}
/**
* @internal
*/
public static function preRenameHook($params) {
// in cross-storage cases, a rename is a copy + unlink,
// that last unlink must not go to trash
self::$disableTrash = true;
}
/**
* @internal
*/
public static function postRenameHook($params) {
self::$disableTrash = false;
}
/**
* Deletes the given file by moving it into the trashbin.
*
* @param string $path
*/
public function unlink($path) {
if (self::$disableTrash) {
return $this->storage->unlink($path);
}
$normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path);
$result = true;
if (!isset($this->deletedFiles[$normalized])) {

3
apps/files_trashbin/lib/trashbin.php
View File

@ -928,6 +928,9 @@ class Trashbin {
\OCP\Util::connectHook('OC_User', 'pre_deleteUser', 'OCA\Files_Trashbin\Hooks', 'deleteUser_hook');
//Listen to post write hook
\OCP\Util::connectHook('OC_Filesystem', 'post_write', 'OCA\Files_Trashbin\Hooks', 'post_write_hook');
// pre and post-rename, disable trash logic for the copy+unlink case
\OCP\Util::connectHook('OC_Filesystem', 'rename', 'OCA\Files_Trashbin\Storage', 'preRenameHook');
\OCP\Util::connectHook('OC_Filesystem', 'post_rename', 'OCA\Files_Trashbin\Storage', 'postRenameHook');
}
/**

4
apps/files_trashbin/tests/storage.php
View File

@ -37,6 +37,9 @@ class Storage extends \Test\TestCase {
protected function setUp() {
parent::setUp();
\OC_Hook::clear();
\OCA\Files_Trashbin\Trashbin::registerHooks();
$this->user = $this->getUniqueId('user');
\OC::$server->getUserManager()->createUser($this->user, $this->user);
@ -58,6 +61,7 @@ class Storage extends \Test\TestCase {
\OC\Files\Filesystem::mount($this->originalStorage, array(), '/');
$this->logout();
\OC_User::deleteUser($this->user);
\OC_Hook::clear();
parent::tearDown();
}