1 files changed, 232 insertions, 0 deletions
diff --git a/lib/Service/ActorService.php b/lib/Service/ActorService.php
new file mode 100644
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--- /dev/null
+++ b/lib/Service/ActorService.php
@@ -0,0 +1,232 @@
+<?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\Traits\TArrayTools;
+use Exception;
+use OC\User\NoUserException;
+use OCA\Social\Db\ActorsRequest;
+use OCA\Social\Db\CacheActorsRequest;
+use OCA\Social\Exceptions\ActorAlreadyExistsException;
+use OCA\Social\Exceptions\ActorDoesNotExistException;
+use OCA\Social\Exceptions\APIRequestException;
+use OCA\Social\Exceptions\CacheActorDoesNotExistException;
+use OCA\Social\Exceptions\InvalidAccessTokenException;
+use OCA\Social\Exceptions\MovedPermanentlyException;
+use OCA\Social\Model\ActivityPub\Actor;
+
+class ActorService {
+
+
+	use TArrayTools;
+
+
+	/** @var UriIdService */
+	private $uriIdService;
+
+	/** @var ConfigService */
+	private $configService;
+
+	/** @var ActorsRequest */
+	private $actorsRequest;
+
+	/** @var CacheActorsRequest */
+	private $cacheActorsRequest;
+
+	/** @var MiscService */
+	private $miscService;
+
+
+	/**
+	 * ActivityStreamsService constructor.
+	 *
+	 * @param ActorsRequest $actorsRequest
+	 * @param CacheActorsRequest $cacheActorsRequest
+	 * @param UriIdService $uriIdService
+	 * @param ConfigService $configService
+	 * @param MiscService $miscService
+	 */
+	public function __construct(
+		ActorsRequest $actorsRequest,
+		CacheActorsRequest $cacheActorsRequest, UriIdService $uriIdService,
+		ConfigService $configService, MiscService $miscService
+	) {
+		$this->configService = $configService;
+		$this->uriIdService = $uriIdService;
+		$this->actorsRequest = $actorsRequest;
+		$this->cacheActorsRequest = $cacheActorsRequest;
+		$this->miscService = $miscService;
+	}
+
+
+	/**
+	 * @param string $username
+	 *
+	 * @return Actor
+	 * @throws ActorDoesNotExistException
+	 * @throws NoUserException
+	 */
+	public function getActor(string $username): Actor {
+		$actor = $this->actorsRequest->getFromUsername($username);
+
+		return $actor;
+	}
+
+
+	/**
+	 * @param string $userId
+	 *
+	 * @return Actor
+	 * @throws ActorDoesNotExistException
+	 * @throws NoUserException
+	 */
+	public function getActorFromUserId(string $userId): Actor {
+		$this->miscService->confirmUserId($userId);
+		$actor = $this->actorsRequest->getFromUserId($userId);
+
+		return $actor;
+	}
+
+
+	/**
+	 * @param string $uriId
+	 *
+	 * @return Actor
+	 * @throws APIRequestException
+	 * @throws InvalidAccessTokenException
+	 * @throws MovedPermanentlyException
+	 * @throws Exception
+	 */
+	public function getFromUri(string $uriId) {
+
+		try {
+			$cache = $this->cacheActorsRequest->getFromUrl($uriId);
+
+			return $this->generateActor($cache->getActor());
+		} catch (CacheActorDoesNotExistException $e) {
+			$object = $this->uriIdService->retrieveObject($uriId);
+			$actor = $this->generateActor($object);
+			$this->cacheActorsRequest->create($actor, $object);
+
+			return $actor;
+		}
+	}
+
+
+	/**
+	 * @param array $object
+	 *
+	 * @return Actor
+	 */
+	public function generateActor(array $object) {
+		$actor = new Actor();
+
+		$actor->setId($this->get('id', $object));
+		$actor->setFollowers($this->get('followers', $object));
+		$actor->setFollowing($this->get('following', $object));
+		$actor->setInbox($this->get('inbox', $object));
+		$actor->setOutbox($this->get('outbox', $object));
+		$actor->setPublicKey($object['publicKey']['publicKeyPem']);
+		$actor->setPreferredUsername($this->get('preferredUsername', $object));
+		$actor->setAccount('@' . $actor->getPreferredUsername() . '@' . $object['_address']);
+
+//		$actor->setSharedInbox($this->get(''))
+
+		return $actor;
+	}
+
+
+	/**
+	 * @param string $userId
+	 *
+	 * @throws ActorAlreadyExistsException
+	 * @throws NoUserException
+	 * @throws Exception
+	 */
+	public function createActor(string $userId, string $username) {
+
+		$this->miscService->confirmUserId($userId);
+		$this->checkActorUsername($username);
+		$this->configService->setCoreValue('public_webfinger', 'social/lib/webfinger.php');
+
+		try {
+			$this->actorsRequest->getFromUsername($username);
+			throw new ActorAlreadyExistsException('actor with that name already exist');
+		} catch (ActorDoesNotExistException $e) {
+			/* we do nohtin */
+		}
+
+		try {
+			$this->actorsRequest->getFromUserId($userId);
+			throw new ActorAlreadyExistsException('account for this user already exist');
+		} catch (ActorDoesNotExistException $e) {
+			/* we do nohtin */
+		}
+
+		$actor = new Actor();
+		$actor->setUserId($userId);
+		$actor->setPreferredUsername($username);
+
+		$this->generateKeys($actor);
+		$this->actorsRequest->create($actor);
+	}
+
+
+	/**
+	 * @param $username
+	 *
+	 * @return bool
+	 */
+	private function checkActorUsername($username) {
+		return;
+	}
+
+	/**
+	 * @param Actor $actor
+	 */
+	private function generateKeys(Actor &$actor) {
+		$res = openssl_pkey_new(
+			[
+				"digest_alg"       => "rsa",
+				"private_key_bits" => 2048,
+				"private_key_type" => OPENSSL_KEYTYPE_RSA,
+			]
+		);
+
+		openssl_pkey_export($res, $privateKey);
+		$publicKey = openssl_pkey_get_details($res)['key'];
+
+		$actor->setPublicKey($publicKey);
+		$actor->setPrivateKey($privateKey);
+	}
+
+
+}