owncloud / core

			return new Result(null, 404, 'could not delete share');

		}

		if (!$this->canAccessShare($share)) {

			$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);

			return new Result(null, 404, $this->l->t('Could not delete share'));

		}

		$this->shareManager->deleteShare($share);

			$share->setSharedWith($shareWith);

			$share->setPermissions($permissions);

		} else {

			$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);

			return new Result(null, 400, $this->l->t('Unknown share type'));

		}

		$share->setShareType($shareType);

		$share->setSharedBy($this->currentUser->getUID());

		$share->getNode()->lock(\OCP\Lock\ILockingProvider::LOCK_SHARED);

		if (!$this->canAccessShare($share)) {

			$share->getNode()->unlock(ILockingProvider::LOCK_SHARED);

			return new Result(null, 404, $this->l->t('Wrong share ID, share doesn\'t exist'));

		}

		$permissions = $this->request->getParam('permissions', null);

		$password = $this->request->getParam('password', null);

		$node->lock(\OCP\Lock\ILockingProvider::LOCK_SHARED);

		// this checks that we are either the owner or recipient

		if (!$this->canAccessShare($share)) {

			$node->unlock(ILockingProvider::LOCK_SHARED);

			return new Result(null, 404, $this->l->t('Wrong share ID, share doesn\'t exist'));

		}

		// only recipient can accept/reject share

		if ($share->getShareOwner() === $this->currentUser->getUID() ||