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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Joas Schilling <coding@schilljs.com>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Files_External\Command;
use OC\Core\Command\Base;
use OC\User\NoUserException;
use OCA\Files_External\Lib\StorageConfig;
use OCA\Files_External\Service\BackendService;
use OCA\Files_External\Service\GlobalStoragesService;
use OCA\Files_External\Service\ImportLegacyStoragesService;
use OCA\Files_External\Service\UserStoragesService;
use OCP\IUserManager;
use OCP\IUserSession;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
class Import extends Base {
/**
* @var GlobalStoragesService
*/
private $globalService;
/**
* @var UserStoragesService
*/
private $userService;
/**
* @var IUserSession
*/
private $userSession;
/**
* @var IUserManager
*/
private $userManager;
/** @var ImportLegacyStoragesService */
private $importLegacyStorageService;
/** @var BackendService */
private $backendService;
function __construct(GlobalStoragesService $globalService,
UserStoragesService $userService,
IUserSession $userSession,
IUserManager $userManager,
ImportLegacyStoragesService $importLegacyStorageService,
BackendService $backendService
) {
parent::__construct();
$this->globalService = $globalService;
$this->userService = $userService;
$this->userSession = $userSession;
$this->userManager = $userManager;
$this->importLegacyStorageService = $importLegacyStorageService;
$this->backendService = $backendService;
}
protected function configure() {
$this
->setName('files_external:import')
->setDescription('Import mount configurations')
->addOption(
'user',
'',
InputOption::VALUE_OPTIONAL,
'user to add the mount configurations for, if not set the mount will be added as system mount'
)
->addArgument(
'path',
InputArgument::REQUIRED,
'path to a json file containing the mounts to import, use "-" to read from stdin'
)
->addOption(
'dry',
'',
InputOption::VALUE_NONE,
'Don\'t save the imported mounts, only list the new mounts'
);
parent::configure();
}
protected function execute(InputInterface $input, OutputInterface $output) {
$user = $input->getOption('user');
$path = $input->getArgument('path');
if ($path === '-') {
$json = file_get_contents('php://stdin');
} else {
if (!file_exists($path)) {
$output->writeln('<error>File not found: ' . $path . '</error>');
return 1;
}
$json = file_get_contents($path);
}
if (!is_string($json) || strlen($json) < 2) {
$output->writeln('<error>Error while reading json</error>');
return 1;
}
$data = json_decode($json, true);
if (!is_array($data)) {
$output->writeln('<error>Error while parsing json</error>');
return 1;
}
$isLegacy = isset($data['user']) || isset($data['group']);
if ($isLegacy) {
$this->importLegacyStorageService->setData($data);
$mounts = $this->importLegacyStorageService->getAllStorages();
foreach ($mounts as $mount) {
if ($mount->getBackendOption('password') === false) {
$output->writeln('<error>Failed to decrypt password</error>');
return 1;
}
}
} else {
if (!isset($data[0])) { //normalize to an array of mounts
$data = [$data];
}
$mounts = array_map([$this, 'parseData'], $data);
}
if ($user) {
// ensure applicables are correct for personal mounts
foreach ($mounts as $mount) {
$mount->setApplicableGroups([]);
$mount->setApplicableUsers([$user]);
}
}
$storageService = $this->getStorageService($user);
$existingMounts = $storageService->getAllStorages();
foreach ($mounts as $mount) {
foreach ($existingMounts as $existingMount) {
if (
$existingMount->getMountPoint() === $mount->getMountPoint() &&
$existingMount->getApplicableGroups() === $mount->getApplicableGroups() &&
$existingMount->getApplicableUsers() === $mount->getApplicableUsers() &&
$existingMount->getBackendOptions() === $mount->getBackendOptions()
) {
$output->writeln("<error>Duplicate mount (" . $mount->getMountPoint() . ")</error>");
return 1;
}
}
}
if ($input->getOption('dry')) {
if (count($mounts) === 0) {
$output->writeln('<error>No mounts to be imported</error>');
return 1;
}
$listCommand = new ListCommand($this->globalService, $this->userService, $this->userSession, $this->userManager);
$listInput = new ArrayInput([], $listCommand->getDefinition());
$listInput->setOption('output', $input->getOption('output'));
$listInput->setOption('show-password', true);
$listCommand->listMounts($user, $mounts, $listInput, $output);
} else {
foreach ($mounts as $mount) {
$storageService->addStorage($mount);
}
}
return 0;
}
private function parseData(array $data) {
$mount = new StorageConfig($data['mount_id']);
$mount->setMountPoint($data['mount_point']);
$mount->setBackend($this->getBackendByClass($data['storage']));
$authBackend = $this->backendService->getAuthMechanism($data['authentication_type']);
$mount->setAuthMechanism($authBackend);
$mount->setBackendOptions($data['configuration']);
$mount->setMountOptions($data['options']);
$mount->setApplicableUsers(isset($data['applicable_users']) ? $data['applicable_users'] : []);
$mount->setApplicableGroups(isset($data['applicable_groups']) ? $data['applicable_groups'] : []);
return $mount;
}
private function getBackendByClass($className) {
$backends = $this->backendService->getBackends();
foreach ($backends as $backend) {
if ($backend->getStorageClass() === $className) {
return $backend;
}
}
}
protected function getStorageService($userId) {
if (!empty($userId)) {
$user = $this->userManager->get($userId);
if (is_null($user)) {
throw new NoUserException("user $userId not found");
}
$this->userSession->setUser($user);
return $this->userService;
} else {
return $this->globalService;
}
}
}