2014-10-31 10:41:07 +00:00
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<?php
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/**
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2015-06-25 09:43:55 +00:00
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* @author Lukas Reschke <lukas@owncloud.com>
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2015-10-06 07:52:19 +00:00
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* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
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2015-03-26 10:44:34 +00:00
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @copyright Copyright (c) 2015, 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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2014-10-31 10:41:07 +00:00
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*/
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namespace OCA\Files_external\Service;
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use \OCP\IUserSession;
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use \OC\Files\Filesystem;
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use \OCA\Files_external\Lib\StorageConfig;
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use \OCA\Files_external\NotFoundException;
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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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* Write the storages to the configuration.
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*
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* @param array $storages map of storage id to storage config
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*/
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public function writeConfig($storages) {
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// let the horror begin
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$mountPoints = [];
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foreach ($storages as $storageConfig) {
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$mountPoint = $storageConfig->getMountPoint();
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$oldBackendOptions = $storageConfig->getBackendOptions();
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$storageConfig->setBackendOptions(
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\OC_Mount_Config::encryptPasswords(
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$oldBackendOptions
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)
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);
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// system mount
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$rootMountPoint = '/$user/files/' . ltrim($mountPoint, '/');
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$applicableUsers = $storageConfig->getApplicableUsers();
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$applicableGroups = $storageConfig->getApplicableGroups();
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foreach ($applicableUsers as $applicable) {
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$this->addMountPoint(
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$mountPoints,
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\OC_Mount_Config::MOUNT_TYPE_USER,
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$applicable,
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$rootMountPoint,
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$storageConfig
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);
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}
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foreach ($applicableGroups as $applicable) {
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$this->addMountPoint(
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$mountPoints,
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\OC_Mount_Config::MOUNT_TYPE_GROUP,
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$applicable,
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$rootMountPoint,
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$storageConfig
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);
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}
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// if neither "applicableGroups" or "applicableUsers" were set, use "all" user
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if (empty($applicableUsers) && empty($applicableGroups)) {
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$this->addMountPoint(
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$mountPoints,
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\OC_Mount_Config::MOUNT_TYPE_USER,
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'all',
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$rootMountPoint,
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$storageConfig
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);
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}
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// restore old backend options where the password was not encrypted,
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// because we don't want to change the state of the original object
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$storageConfig->setBackendOptions($oldBackendOptions);
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}
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2015-08-12 13:22:27 +00:00
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$this->writeLegacyConfig($mountPoints);
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2014-10-31 10:41:07 +00:00
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}
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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, $signal) {
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2015-04-08 11:55:10 +00:00
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// FIXME: Use as expression in empty once PHP 5.4 support is dropped
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2014-10-31 10:41:07 +00:00
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$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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* accomodate for additions/deletions in applicableUsers
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* and applicableGroups fields.
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*
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2015-03-17 10:42:52 +00:00
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* @param StorageConfig $oldStorage old storage config
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* @param StorageConfig $newStorage new storage config
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2014-10-31 10:41:07 +00:00
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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(), $newStorage->getApplicableGroups());
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2015-04-08 11:55:10 +00:00
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// FIXME: Use as expression in empty once PHP 5.4 support is dropped
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2014-10-31 10:41:07 +00:00
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// if no applicable were set, raise a signal for "all"
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2015-04-08 11:55:10 +00:00
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$oldApplicableUsers = $oldStorage->getApplicableUsers();
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$oldApplicableGroups = $oldStorage->getApplicableGroups();
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if (empty($oldApplicableUsers) && empty($oldApplicableGroups)) {
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2014-10-31 10:41:07 +00:00
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$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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$groupAdditions
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);
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2015-04-08 11:55:10 +00:00
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// FIXME: Use as expression in empty once PHP 5.4 support is dropped
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2014-10-31 10:41:07 +00:00
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// if no applicable, raise a signal for "all"
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2015-04-08 11:55:10 +00:00
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$newApplicableUsers = $newStorage->getApplicableUsers();
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$newApplicableGroups = $newStorage->getApplicableGroups();
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if (empty($newApplicableUsers) && empty($newApplicableGroups)) {
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2014-10-31 10:41:07 +00:00
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$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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2015-09-23 14:35:17 +00:00
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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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2014-10-31 10:41:07 +00:00
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}
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