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always allow moving mountpoints inside the same mountpoint 

even if that mountpoint isn't normally a valid target for moving mounts into

Signed-off-by: Robin Appelman <robin@icewind.nl>
This commit is contained in:
Robin Appelman 2019-03-14 15:52:38 +01:00
parent 04bc272c72
commit cc29f5d719
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GPG Key ID: 42B69D8A64526EFB
1 changed files with 6 additions and 11 deletions
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17
lib/private/Files/View.php
View File

@ -59,6 +59,7 @@ use OCP\Files\InvalidPathException;
use OCP\Files\Mount\IMountPoint;
use OCP\Files\NotFoundException;
use OCP\Files\ReservedWordException;
use OCP\Files\Storage\IStorage;
use OCP\ILogger;
use OCP\IUser;
use OCP\Lock\ILockingProvider;
@ -786,7 +787,8 @@ class View {
if ($internalPath1 === '') {
if ($mount1 instanceof MoveableMount) {
if ($this->isTargetAllowed($absolutePath2)) {
$sourceParentMount = $this->getMount(dirname($path1));
if ($sourceParentMount === $mount2 && $this->targetIsNotShared($storage2, $internalPath2)) {
/**
* @var \OC\Files\Mount\MountPoint | \OC\Files\Mount\MoveableMount $mount1
*/
@ -1753,18 +1755,11 @@ class View {
* It is not allowed to move a mount point into a different mount point or
* into an already shared folder
*
* @param string $target path
* @param IStorage $targetStorage
* @param string $targetInternalPath
* @return boolean
*/
private function isTargetAllowed($target) {
list($targetStorage, $targetInternalPath) = \OC\Files\Filesystem::resolvePath($target);
if (!$targetStorage->instanceOfStorage('\OCP\Files\IHomeStorage')) {
\OCP\Util::writeLog('files',
'It is not allowed to move one mount point into another one',
ILogger::DEBUG);
return false;
}
private function targetIsNotShared(IStorage $targetStorage, string $targetInternalPath) {
// note: cannot use the view because the target is already locked
$fileId = (int)$targetStorage->getCache()->getId($targetInternalPath);