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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 daita\MySmallPhpTools\Traits\TArrayTools;
use Exception;
use OC\User\NoUserException;
use OCA\Social\Db\ActorsRequest;
use OCA\Social\Db\FollowsRequest;
use OCA\Social\Db\StreamRequest;
use OCA\Social\Exceptions\AccountAlreadyExistsException;
use OCA\Social\Exceptions\ActorDoesNotExistException;
use OCA\Social\Exceptions\ItemUnknownException;
use OCA\Social\Exceptions\SocialAppConfigException;
use OCA\Social\Exceptions\UrlCloudException;
use OCA\Social\Model\ActivityPub\Actor\Person;
use OCP\Accounts\IAccountManager;
use OCP\IUserManager;
/**
* Class ActorService
*
* @package OCA\Social\Service
*/
class AccountService {
const KEY_PAIR_LIFESPAN = 7;
use TArrayTools;
/** @var IUserManager */
private $userManager;
/** @var IAccountManager */
private $accountManager;
/** @var ActorsRequest */
private $actorsRequest;
/** @var FollowsRequest */
private $followsRequest;
/** @var StreamRequest */
private $streamRequest;
/** @var ActorService */
private $actorService;
/** @var SignatureService */
private $signatureService;
/** @var DocumentService */
private $documentService;
/** @var ConfigService */
private $configService;
/** @var MiscService */
private $miscService;
/**
* ActorService constructor.
*
* @param IUserManager $userManager
* @param IAccountManager $accountManager
* @param ActorsRequest $actorsRequest
* @param FollowsRequest $followsRequest
* @param StreamRequest $streamRequest
* @param ActorService $actorService
* @param DocumentService $documentService
* @param SignatureService $signatureService
* @param ConfigService $configService
* @param MiscService $miscService
*/
public function __construct(
IUserManager $userManager, IAccountManager $accountManager, ActorsRequest $actorsRequest,
FollowsRequest $followsRequest, StreamRequest $streamRequest, ActorService $actorService,
DocumentService $documentService, SignatureService $signatureService,
ConfigService $configService, MiscService $miscService
) {
$this->userManager = $userManager;
$this->accountManager = $accountManager;
$this->actorsRequest = $actorsRequest;
$this->followsRequest = $followsRequest;
$this->streamRequest = $streamRequest;
$this->actorService = $actorService;
$this->documentService = $documentService;
$this->signatureService = $signatureService;
$this->configService = $configService;
$this->miscService = $miscService;
}
/**
* @param string $username
*
* @return Person
* @throws ActorDoesNotExistException
* @throws SocialAppConfigException
*/
public function getActor(string $username): Person {
$actor = $this->actorsRequest->getFromUsername($username);
return $actor;
}
/**
* @param string $id
*
* @return Person
* @throws ActorDoesNotExistException
* @throws SocialAppConfigException
*/
public function getFromId(string $id): Person {
$actor = $this->actorsRequest->getFromId($id);
return $actor;
}
/**
* @param string $userId
* @param bool $create
*
* @return Person
* @throws AccountAlreadyExistsException
* @throws ActorDoesNotExistException
* @throws NoUserException
* @throws SocialAppConfigException
* @throws UrlCloudException
*/
public function getActorFromUserId(string $userId, bool $create = false): Person {
$this->miscService->confirmUserId($userId);
try {
$actor = $this->actorsRequest->getFromUserId($userId);
} catch (ActorDoesNotExistException $e) {
if ($create) {
$this->createActor($userId, $userId);
$actor = $this->actorsRequest->getFromUserId($userId);
} else {
throw new ActorDoesNotExistException();
}
}
return $actor;
}
/**
* Method should be called by the frontend and will generate a fresh Social account for
* the user, using the userId and the username.
*
* Pair of keys are created at this point.
*
* Return exceptions if an account already exist for this user or if the username is already
* taken
*
* @param string $userId
* @param string $username
*
* @throws AccountAlreadyExistsException
* @throws NoUserException
* @throws SocialAppConfigException
* @throws UrlCloudException
*/
public function createActor(string $userId, string $username) {
$this->miscService->confirmUserId($userId);
$this->checkActorUsername($username);
try {
$this->actorsRequest->getFromUsername($username);
throw new AccountAlreadyExistsException('actor with that name already exist');
} catch (ActorDoesNotExistException $e) {
/* we do nohtin */
}
try {
$this->actorsRequest->getFromUserId($userId);
throw new AccountAlreadyExistsException('account for this user already exist');
} catch (ActorDoesNotExistException $e) {
/* we do nohtin */
}
$this->configService->setCoreValue('public_webfinger', 'social/lib/webfinger.php');
$actor = new Person();
$actor->setUserId($userId);
$actor->setPreferredUsername($username);
$this->signatureService->generateKeys($actor);
$this->actorsRequest->create($actor);
// generate cache.
$this->cacheLocalActorByUsername($username);
}
/**
* @param string $username
*
* @throws SocialAppConfigException
* @throws UrlCloudException
*/
public function cacheLocalActorByUsername(string $username) {
try {
$actor = $this->getActor($username);
try {
$this->updateCacheLocalActorName($actor);
} catch (NoUserException $e) {
return;
}
try {
$iconId = $this->documentService->cacheLocalAvatarByUsername($actor);
$actor->setIconId($iconId);
} catch (ItemUnknownException $e) {
}
$this->addLocalActorDetailCount($actor);
$this->actorService->cacheLocalActor($actor);
} catch (ActorDoesNotExistException $e) {
}
}
/**
* @param Person $actor
*/
public function cacheLocalActorDetailCount(Person $actor) {
if (!$actor->isLocal()) {
return;
}
$this->addLocalActorDetailCount($actor);
$this->actorService->cacheLocalActor($actor);
}
/**
* @param Person $actor
*/
public function addLocalActorDetailCount(Person &$actor) {
$count = [
'followers' => $this->followsRequest->countFollowers($actor->getId()),
'following' => $this->followsRequest->countFollowing($actor->getId()),
'post' => $this->streamRequest->countNotesFromActorId($actor->getId())
];
$actor->setDetailArray('count', $count);
}
/**
* @param Person $actor
*
* @throws NoUserException
*/
private function updateCacheLocalActorName(Person &$actor) {
$user = $this->userManager->get($actor->getUserId());
if ($user === null) {
throw new NoUserException();
}
try {
$account = $this->accountManager->getAccount($user);
$displayNameProperty = $account->getProperty(IAccountManager::PROPERTY_DISPLAYNAME);
if ($displayNameProperty->getScope() === IAccountManager::VISIBILITY_PUBLIC) {
$actor->setName($displayNameProperty->getValue());
}
} catch (Exception $e) {
$this->miscService->log(
'Issue while trying to updateCacheLocalActorName: ' . $e->getMessage(), 1
);
}
}
/**
* @param string $username
*/
private function checkActorUsername(string $username) {
$accepted = 'qwertyuiopasdfghjklzxcvbnm';
return;
}
/**
* @throws Exception
* @return int
*/
public function manageCacheLocalActors(): int {
$update = $this->actorsRequest->getAll();
foreach ($update as $item) {
try {
$this->cacheLocalActorByUsername($item->getPreferredUsername());
} catch (Exception $e) {
}
}
return sizeof($update);
}
/**
* @throws Exception
* @return int
*/
public function blindKeyRotation(): int {
$update = $this->actorsRequest->getAll();
$count = 0;
foreach ($update as $actor) {
try {
if ($actor->getCreation() < (time() - (self::KEY_PAIR_LIFESPAN * 3600 * 24))) {
$this->signatureService->generateKeys($actor);
$this->actorsRequest->refreshKeys($actor);
$count++;
}
} catch (Exception $e) {
}
}
return $count;
}
}
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