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<?php
/**
*
*
* @author Georg Ehrke <oc.list@georgehrke.com>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Citharel <nextcloud@tcit.fr>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\DAV\Command;
use OCA\DAV\CalDAV\CalDavBackend;
use OCA\DAV\CalDAV\Calendar;
use OCP\IConfig;
use OCP\IGroupManager;
use OCP\IL10N;
use OCP\IUserManager;
use OCP\Share\IManager as IShareManager;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
class MoveCalendar extends Command {
/** @var IUserManager */
private $userManager;
/** @var IGroupManager */
private $groupManager;
/** @var IShareManager */
private $shareManager;
/** @var IConfig $config */
private $config;
/** @var IL10N */
private $l10n;
/** @var SymfonyStyle */
private $io;
/** @var CalDavBackend */
private $calDav;
const URI_USERS = 'principals/users/';
/**
* @param IUserManager $userManager
* @param IGroupManager $groupManager
* @param IShareManager $shareManager
* @param IConfig $config
* @param IL10N $l10n
* @param CalDavBackend $calDav
*/
function __construct(
IUserManager $userManager,
IGroupManager $groupManager,
IShareManager $shareManager,
IConfig $config,
IL10N $l10n,
CalDavBackend $calDav
) {
parent::__construct();
$this->userManager = $userManager;
$this->groupManager = $groupManager;
$this->shareManager = $shareManager;
$this->config = $config;
$this->l10n = $l10n;
$this->calDav = $calDav;
}
protected function configure() {
$this
->setName('dav:move-calendar')
->setDescription('Move a calendar from an user to another')
->addArgument('name',
InputArgument::REQUIRED,
'Name of the calendar to move')
->addArgument('sourceuid',
InputArgument::REQUIRED,
'User who currently owns the calendar')
->addArgument('destinationuid',
InputArgument::REQUIRED,
'User who will receive the calendar')
->addOption('force', 'f', InputOption::VALUE_NONE, "Force the migration by removing existing shares");
}
protected function execute(InputInterface $input, OutputInterface $output) {
$userOrigin = $input->getArgument('sourceuid');
$userDestination = $input->getArgument('destinationuid');
$this->io = new SymfonyStyle($input, $output);
if (!$this->userManager->userExists($userOrigin)) {
throw new \InvalidArgumentException("User <$userOrigin> is unknown.");
}
if (!$this->userManager->userExists($userDestination)) {
throw new \InvalidArgumentException("User <$userDestination> is unknown.");
}
$name = $input->getArgument('name');
$calendar = $this->calDav->getCalendarByUri(self::URI_USERS . $userOrigin, $name);
if (null === $calendar) {
throw new \InvalidArgumentException("User <$userOrigin> has no calendar named <$name>. You can run occ dav:list-calendars to list calendars URIs for this user.");
}
if (null !== $this->calDav->getCalendarByUri(self::URI_USERS . $userDestination, $name)) {
throw new \InvalidArgumentException("User <$userDestination> already has a calendar named <$name>.");
}
$this->checkShares($calendar, $userOrigin, $userDestination, $input->getOption('force'));
$this->calDav->moveCalendar($name, self::URI_USERS . $userOrigin, self::URI_USERS . $userDestination);
$this->io->success("Calendar <$name> was moved from user <$userOrigin> to <$userDestination>");
}
/**
* Check that moving the calendar won't break shares
*
* @param array $calendar
* @param string $userOrigin
* @param string $userDestination
* @param bool $force
*/
private function checkShares(array $calendar, string $userOrigin, string $userDestination, bool $force = false)
{
$shares = $this->calDav->getShares($calendar['id']);
foreach ($shares as $share) {
list(, $prefix, $userOrGroup) = explode('/', $share['href'], 3);
/**
* Check that user destination is member of the groups which whom the calendar was shared
* If we ask to force the migration, the share with the group is dropped
*/
if ($this->shareManager->shareWithGroupMembersOnly() === true && 'groups' === $prefix && !$this->groupManager->isInGroup($userDestination, $userOrGroup)) {
if ($force) {
$this->calDav->updateShares(new Calendar($this->calDav, $calendar, $this->l10n, $this->config), [], ['href' => 'principal:principals/groups/' . $userOrGroup]);
} else {
throw new \InvalidArgumentException("User <$userDestination> is not part of the group <$userOrGroup> with whom the calendar <" . $calendar['uri'] . "> was shared. You may use -f to move the calendar while deleting this share.");
}
}
/**
* Check that calendar isn't already shared with user destination
*/
if ($userOrGroup === $userDestination) {
if ($force) {
$this->calDav->updateShares(new Calendar($this->calDav, $calendar, $this->l10n, $this->config), [], ['href' => 'principal:principals/users/' . $userOrGroup]);
} else {
throw new \InvalidArgumentException("The calendar <" . $calendar['uri'] . "> is already shared to user <$userDestination>.You may use -f to move the calendar while deleting this share.");
}
}
}
/**
* Warn that share links have changed if there are shares
*/
if (count($shares) > 0) {
$this->io->note([
"Please note that moving calendar " . $calendar['uri'] . " from user <$userOrigin> to <$userDestination> has caused share links to change.",
"Sharees will need to change \"example.com/remote.php/dav/calendars/uid/" . $calendar['uri'] . "_shared_by_$userOrigin\" to \"example.com/remote.php/dav/calendars/uid/" . $calendar['uri'] . "_shared_by_$userDestination\""
]);
}
}
}
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