150 lines
3.8 KiB
PHP
150 lines
3.8 KiB
PHP
<?php
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/**
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* Copyright (c) 2015 Vincent Petry <pvince81@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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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 user external storages
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* (aka personal storages)
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*/
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class UserStoragesService extends StoragesService {
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/**
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* User session
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*
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* @var IUserSession
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*/
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private $userSession;
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/**
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* Create a user storages service
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*
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* @param IUserSession $userSession user session
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*/
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public function __construct(
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IUserSession $userSession
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) {
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$this->userSession = $userSession;
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}
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/**
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* Read legacy config data
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*
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* @return array list of storage configs
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*/
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protected function readLegacyConfig() {
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// read user config
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$user = $this->userSession->getUser()->getUID();
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return \OC_Mount_Config::readData($user);
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}
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/**
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* Read the external storages config
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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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protected function readConfig() {
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$user = $this->userSession->getUser()->getUID();
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// TODO: in the future don't rely on the global config reading code
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$storages = parent::readConfig();
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$filteredStorages = [];
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foreach ($storages as $configId => $storage) {
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// filter out all bogus storages that aren't for the current user
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if (!in_array($user, $storage->getApplicableUsers())) {
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continue;
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}
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// clear applicable users, should not be used
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$storage->setApplicableUsers([]);
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// strip out unneeded applicableUser fields
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$filteredStorages[$configId] = $storage;
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}
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return $filteredStorages;
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}
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/**
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* Write the storages to the user's 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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$user = $this->userSession->getUser()->getUID();
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// let the horror begin
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$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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$oldBackendOptions
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)
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);
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$rootMountPoint = '/' . $user . '/files/' . ltrim($mountPoint, '/');
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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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$user,
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$rootMountPoint,
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$storageConfig
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);
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// restore old backend options where the password was not encrypted,
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// because we don't want to change the state of the original object
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$storageConfig->setBackendOptions($oldBackendOptions);
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}
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\OC_Mount_Config::writeData($user, $mountPoints);
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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, $signal) {
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$user = $this->userSession->getUser()->getUID();
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// trigger hook for the current user
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$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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[$user]
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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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* @param StorageConfig $oldStorage old storage data
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* @param StorageConfig $newStorage new storage data
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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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}
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}
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}
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