185 lines
5.7 KiB
PHP
185 lines
5.7 KiB
PHP
<?php
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/**
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author Stefan Weil <sw@weilnetz.de>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\Files_External\Service;
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use \OC\Files\Filesystem;
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use OCA\Files_External\Lib\StorageConfig;
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/**
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* Service class to manage global external storages
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*/
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class GlobalStoragesService extends StoragesService {
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/**
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* Triggers $signal for all applicable users of the given
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* storage
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*
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* @param StorageConfig $storage storage data
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* @param string $signal signal to trigger
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*/
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protected function triggerHooks(StorageConfig $storage, $signal) {
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// FIXME: Use as expression in empty once PHP 5.4 support is dropped
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$applicableUsers = $storage->getApplicableUsers();
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$applicableGroups = $storage->getApplicableGroups();
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if (empty($applicableUsers) && empty($applicableGroups)) {
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// raise for user "all"
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$this->triggerApplicableHooks(
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$signal,
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$storage->getMountPoint(),
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\OC_Mount_Config::MOUNT_TYPE_USER,
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['all']
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);
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return;
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}
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$this->triggerApplicableHooks(
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$signal,
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$storage->getMountPoint(),
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\OC_Mount_Config::MOUNT_TYPE_USER,
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$applicableUsers
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);
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$this->triggerApplicableHooks(
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$signal,
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$storage->getMountPoint(),
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\OC_Mount_Config::MOUNT_TYPE_GROUP,
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$applicableGroups
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);
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}
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/**
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* Triggers signal_create_mount or signal_delete_mount to
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* accommodate for additions/deletions in applicableUsers
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* and applicableGroups fields.
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*
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* @param StorageConfig $oldStorage old storage config
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* @param StorageConfig $newStorage new storage config
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*/
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protected function triggerChangeHooks(StorageConfig $oldStorage, StorageConfig $newStorage) {
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// if mount point changed, it's like a deletion + creation
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if ($oldStorage->getMountPoint() !== $newStorage->getMountPoint()) {
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$this->triggerHooks($oldStorage, Filesystem::signal_delete_mount);
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$this->triggerHooks($newStorage, Filesystem::signal_create_mount);
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return;
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}
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$userAdditions = array_diff($newStorage->getApplicableUsers(), $oldStorage->getApplicableUsers());
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$userDeletions = array_diff($oldStorage->getApplicableUsers(), $newStorage->getApplicableUsers());
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$groupAdditions = array_diff($newStorage->getApplicableGroups(), $oldStorage->getApplicableGroups());
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$groupDeletions = array_diff($oldStorage->getApplicableGroups(), $newStorage->getApplicableGroups());
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// FIXME: Use as expression in empty once PHP 5.4 support is dropped
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// if no applicable were set, raise a signal for "all"
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$oldApplicableUsers = $oldStorage->getApplicableUsers();
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$oldApplicableGroups = $oldStorage->getApplicableGroups();
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if (empty($oldApplicableUsers) && empty($oldApplicableGroups)) {
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$this->triggerApplicableHooks(
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Filesystem::signal_delete_mount,
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$oldStorage->getMountPoint(),
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\OC_Mount_Config::MOUNT_TYPE_USER,
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['all']
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);
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}
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// trigger delete for removed users
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$this->triggerApplicableHooks(
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Filesystem::signal_delete_mount,
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$oldStorage->getMountPoint(),
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\OC_Mount_Config::MOUNT_TYPE_USER,
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$userDeletions
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);
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// trigger delete for removed groups
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$this->triggerApplicableHooks(
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Filesystem::signal_delete_mount,
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$oldStorage->getMountPoint(),
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\OC_Mount_Config::MOUNT_TYPE_GROUP,
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$groupDeletions
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);
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// and now add the new users
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$this->triggerApplicableHooks(
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Filesystem::signal_create_mount,
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$newStorage->getMountPoint(),
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\OC_Mount_Config::MOUNT_TYPE_USER,
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$userAdditions
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);
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// and now add the new groups
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$this->triggerApplicableHooks(
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Filesystem::signal_create_mount,
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$newStorage->getMountPoint(),
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\OC_Mount_Config::MOUNT_TYPE_GROUP,
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$groupAdditions
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);
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// FIXME: Use as expression in empty once PHP 5.4 support is dropped
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// if no applicable, raise a signal for "all"
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$newApplicableUsers = $newStorage->getApplicableUsers();
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$newApplicableGroups = $newStorage->getApplicableGroups();
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if (empty($newApplicableUsers) && empty($newApplicableGroups)) {
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$this->triggerApplicableHooks(
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Filesystem::signal_create_mount,
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$newStorage->getMountPoint(),
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\OC_Mount_Config::MOUNT_TYPE_USER,
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['all']
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);
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}
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}
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/**
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* Get the visibility type for this controller, used in validation
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*
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* @return string BackendService::VISIBILITY_* constants
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*/
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public function getVisibilityType() {
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return BackendService::VISIBILITY_ADMIN;
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}
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protected function isApplicable(StorageConfig $config) {
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return true;
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}
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/**
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* Get all configured admin and personal mounts
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*
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* @return array map of storage id to storage config
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*/
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public function getStorageForAllUsers() {
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$mounts = $this->dbConfig->getAllMounts();
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$configs = array_map([$this, 'getStorageConfigFromDBMount'], $mounts);
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$configs = array_filter($configs, function ($config) {
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return $config instanceof StorageConfig;
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});
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$keys = array_map(function (StorageConfig $config) {
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return $config->getId();
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}, $configs);
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return array_combine($keys, $configs);
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}
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}
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