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<?php
declare(strict_types=1);
/**
* Nextcloud - Social Support
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Maxence Lange <maxence@artificial-owl.com>
* @copyright 2018, Maxence Lange <maxence@artificial-owl.com>
* @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\Social\Service;
use Exception;
use OCA\Social\Exceptions\SocialAppConfigException;
use OCA\Social\Exceptions\UnauthorizedFediverseException;
/**
* Class FediverseService
*
* @package OCA\Social\Service
*/
class FediverseService {
private ConfigService $configService;
private MiscService $miscService;
/**
* FediverseService constructor.
*
* @param ConfigService $configService
* @param MiscService $miscService
*/
public function __construct(
ConfigService $configService, MiscService $miscService
) {
$this->configService = $configService;
$this->miscService = $miscService;
}
/**
* @param string $address
*
* @return bool
* @throws UnauthorizedFediverseException
* @throws SocialAppConfigException
*/
public function authorized(string $address): bool {
if ($address === '') {
throw new UnauthorizedFediverseException('Empty Origin');
}
if ($this->getAccessType() ===
$this->configService->accessTypeList['BLACKLIST']
&& !$this->isListed($address)) {
return true;
}
if ($this->getAccessType() ===
$this->configService->accessTypeList['WHITELIST']
&& ($this->isListed($address) || $this->isLocal($address))) {
return true;
}
throw new UnauthorizedFediverseException('Unauthorized Fediverse');
}
/**
* @throws UnauthorizedFediverseException
*/
public function jailed() {
if ($this->getAccessType() !== $this->configService->accessTypeList['WHITELIST']
|| !empty($this->getListedAddresses())) {
return;
}
throw new UnauthorizedFediverseException('Jailed Fediverse');
}
/**
* @return string
*/
public function getAccessType(): string {
return $this->configService->getAppValue(ConfigService::SOCIAL_ACCESS_TYPE);
}
/**
* @param string $type
*
* @throws Exception
*/
public function setAccessType(string $type) {
$accepted = array_values($this->configService->accessTypeList);
if (!in_array($type, $accepted)) {
throw new Exception('invalid type: ' . json_encode($accepted));
}
$this->configService->setAppValue(ConfigService::SOCIAL_ACCESS_TYPE, $type);
}
/**
* @param string $address
*
* @return bool
* @throws SocialAppConfigException
*/
public function isLocal(string $address): bool {
$local = $this->configService->getCloudHost();
return ($local === $address);
}
/**
* @return array
*/
public function getKnownAddresses(): array {
return [];
}
/**
* @return array
*/
public function getListedAddresses(): array {
return json_decode($this->configService->getAppValue(ConfigService::SOCIAL_ACCESS_LIST));
}
/**
* @param string $address
*
* @return bool
*/
public function isListed(string $address): bool {
$list = $this->getListedAddresses();
return (in_array($address, $list));
}
/**
*
*/
public function resetAddresses() {
$this->configService->setAppValue(ConfigService::SOCIAL_ACCESS_LIST, '[]');
}
/**
* @param string $address
*/
public function addAddress(string $address) {
if ($this->isListed($address)) {
return;
}
$list = $this->getListedAddresses();
array_push($list, $address);
$this->configService->setAppValue(ConfigService::SOCIAL_ACCESS_LIST, json_encode($list));
}
/**
* @param string $address
*
* @return void
* @throws Exception
*/
public function removeAddress(string $address) {
$list = $this->getListedAddresses();
$list = array_diff($list, [$address]);
$this->configService->setAppValue(ConfigService::SOCIAL_ACCESS_LIST, json_encode($list));
}
//
// /**
// * @param string $address
// *
// * @throws Exception
// */
// public function blockAddress(string $address) {
// if ($this->isBlocked($address)) {
// return;
// }
//
// if ($this->isAllowed($address)) {
// throw new Exception($address . ' is already in the whitelist');
// }
//
// $blackList = $this->getBlockedAddresses();
// array_push($blackList, $address);
//
// $this->configService->setAppValue(ConfigService::SOCIAL_BLACKLIST, json_encode($blackList));
// }
//
// /**
// * @return array
// */
// public function getBlockedAddresses(): array {
// return json_decode($this->configService->getAppValue(ConfigService::SOCIAL_BLACKLIST));
// }
//
// /**
// * @param string $address
// *
// * @return bool
// */
// public function isBlocked(string $address): bool {
// return (in_array('ALL', $this->getBlockedAddresses())
// || in_array($address, $this->getBlockedAddresses()));
// }
//
//
// /**
// * @param string $address
// *
// * @return void
// * @throws Exception
// */
// public function allowAddress(string $address) {
// if ($this->isAllowed($address)) {
// return;
// }
//
// if ($this->isBlocked($address)) {
// throw new Exception($address . ' is already in the blacklist');
// }
//
// $whiteList = $this->getAllowedAddresses();
// array_push($whiteList, $address);
//
// $this->configService->setAppValue(ConfigService::SOCIAL_WHITELIST, json_encode($whiteList));
// }
//
// /**
// * @return array
// */
// public function getAllowedAddresses(): array {
// return json_decode($this->configService->getAppValue(ConfigService::SOCIAL_WHITELIST));
//
// }
//
// /**
// * @param string $address
// *
// * @return bool
// */
// public function isAllowed(string $address): bool {
// return (in_array('ALL', $this->getAllowedAddresses())
// || in_array($address, $this->getAllowedAddresses()));
// }
//
//
}
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