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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\Files\Filesystem;
use OC\User\NoUserException;
use OCA\Files_External\Lib\Auth\AuthMechanism;
use OCA\Files_External\Lib\Backend\Backend;
use OCA\Files_External\Lib\DefinitionParameter;
use OCA\Files_External\Lib\StorageConfig;
use OCA\Files_External\Service\BackendService;
use OCA\Files_External\Service\GlobalStoragesService;
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 Create extends Base {
/**
* @var GlobalStoragesService
*/
private $globalService;
/**
* @var UserStoragesService
*/
private $userService;
/**
* @var IUserManager
*/
private $userManager;
/** @var BackendService */
private $backendService;
/** @var IUserSession */
private $userSession;
function __construct(GlobalStoragesService $globalService,
UserStoragesService $userService,
IUserManager $userManager,
IUserSession $userSession,
BackendService $backendService
) {
parent::__construct();
$this->globalService = $globalService;
$this->userService = $userService;
$this->userManager = $userManager;
$this->userSession = $userSession;
$this->backendService = $backendService;
}
protected function configure() {
$this
->setName('files_external:create')
->setDescription('Create a new mount configuration')
->addOption(
'user',
'',
InputOption::VALUE_OPTIONAL,
'user to add the mount configuration for, if not set the mount will be added as system mount'
)
->addArgument(
'mount_point',
InputArgument::REQUIRED,
'mount point for the new mount'
)
->addArgument(
'storage_backend',
InputArgument::REQUIRED,
'storage backend identifier for the new mount, see `occ files_external:backends` for possible values'
)
->addArgument(
'authentication_backend',
InputArgument::REQUIRED,
'authentication backend identifier for the new mount, see `occ files_external:backends` for possible values'
)
->addOption(
'config',
'c',
InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY,
'Mount configuration option in key=value format'
)
->addOption(
'dry',
'',
InputOption::VALUE_NONE,
'Don\'t save the created mount, only list the new mount'
);
parent::configure();
}
protected function execute(InputInterface $input, OutputInterface $output) {
$user = $input->getOption('user');
$mountPoint = $input->getArgument('mount_point');
$storageIdentifier = $input->getArgument('storage_backend');
$authIdentifier = $input->getArgument('authentication_backend');
$configInput = $input->getOption('config');
$storageBackend = $this->backendService->getBackend($storageIdentifier);
$authBackend = $this->backendService->getAuthMechanism($authIdentifier);
if (!Filesystem::isValidPath($mountPoint)) {
$output->writeln('<error>Invalid mountpoint "' . $mountPoint . '"</error>');
return 1;
}
if (is_null($storageBackend)) {
$output->writeln('<error>Storage backend with identifier "' . $storageIdentifier . '" not found (see `occ files_external:backends` for possible values)</error>');
return 404;
}
if (is_null($authBackend)) {
$output->writeln('<error>Authentication backend with identifier "' . $authIdentifier . '" not found (see `occ files_external:backends` for possible values)</error>');
return 404;
}
$supportedSchemes = array_keys($storageBackend->getAuthSchemes());
if (!in_array($authBackend->getScheme(), $supportedSchemes)) {
$output->writeln('<error>Authentication backend "' . $authIdentifier . '" not valid for storage backend "' . $storageIdentifier . '" (see `occ files_external:backends storage ' . $storageIdentifier . '` for possible values)</error>');
return 1;
}
$config = [];
foreach ($configInput as $configOption) {
if (!strpos($configOption, '=')) {
$output->writeln('<error>Invalid mount configuration option "' . $configOption . '"</error>');
return 1;
}
list($key, $value) = explode('=', $configOption, 2);
if (!$this->validateParam($key, $value, $storageBackend, $authBackend)) {
$output->writeln('<error>Unknown configuration for backends "' . $key . '"</error>');
return 1;
}
$config[$key] = $value;
}
$mount = new StorageConfig();
$mount->setMountPoint($mountPoint);
$mount->setBackend($storageBackend);
$mount->setAuthMechanism($authBackend);
$mount->setBackendOptions($config);
if ($user) {
if (!$this->userManager->userExists($user)) {
$output->writeln('<error>User "' . $user . '" not found</error>');
return 1;
}
$mount->setApplicableUsers([$user]);
}
if ($input->getOption('dry')) {
$this->showMount($user, $mount, $input, $output);
} else {
$this->getStorageService($user)->addStorage($mount);
if ($input->getOption('output') === self::OUTPUT_FORMAT_PLAIN) {
$output->writeln('<info>Storage created with id ' . $mount->getId() . '</info>');
} else {
$output->writeln((string)$mount->getId());
}
}
return 0;
}
private function validateParam($key, &$value, Backend $storageBackend, AuthMechanism $authBackend) {
$params = array_merge($storageBackend->getParameters(), $authBackend->getParameters());
foreach ($params as $param) {
/** @var DefinitionParameter $param */
if ($param->getName() === $key) {
if ($param->getType() === DefinitionParameter::VALUE_BOOLEAN) {
$value = ($value === 'true');
}
return true;
}
}
return false;
}
private function showMount($user, StorageConfig $mount, InputInterface $input, OutputInterface $output) {
$listCommand = new ListCommand($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, [$mount], $listInput, $output);
}
protected function getStorageService($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;
}
}
}