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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\Exceptions\MalformedArrayException;
use Exception;
use OCA\Social\AP;
use OCA\Social\Db\ActorsRequest;
use OCA\Social\Db\CacheDocumentsRequest;
use OCA\Social\Db\StreamRequest;
use OCA\Social\Exceptions\CacheContentException;
use OCA\Social\Exceptions\CacheContentMimeTypeException;
use OCA\Social\Exceptions\CacheDocumentDoesNotExistException;
use OCA\Social\Exceptions\ItemAlreadyExistsException;
use OCA\Social\Exceptions\ItemUnknownException;
use OCA\Social\Exceptions\RequestContentException;
use OCA\Social\Exceptions\RequestNetworkException;
use OCA\Social\Exceptions\RequestResultNotJsonException;
use OCA\Social\Exceptions\RequestResultSizeException;
use OCA\Social\Exceptions\RequestServerException;
use OCA\Social\Exceptions\SocialAppConfigException;
use OCA\Social\Exceptions\UnauthorizedFediverseException;
use OCA\Social\Exceptions\UrlCloudException;
use OCA\Social\Model\ActivityPub\Actor\Person;
use OCA\Social\Model\ActivityPub\Object\Document;
use OCA\Social\Model\ActivityPub\Object\Image;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\IURLGenerator;
class DocumentService {
const ERROR_SIZE = 1;
const ERROR_MIMETYPE = 2;
const ERROR_PERMISSION = 3;
/** @var IURLGenerator */
private $urlGenerator;
/** @var CacheDocumentsRequest */
private $cacheDocumentsRequest;
/** @var ActorsRequest */
private $actorRequest;
/** @var StreamRequest */
private $streamRequest;
/** @var CacheDocumentService */
private $cacheService;
/** @var ConfigService */
private $configService;
/** @var MiscService */
private $miscService;
/**
* DocumentInterface constructor.
*
* @param IUrlGenerator $urlGenerator
* @param CacheDocumentsRequest $cacheDocumentsRequest
* @param ActorsRequest $actorRequest
* @param StreamRequest $streamRequest
* @param CacheDocumentService $cacheService
* @param ConfigService $configService
* @param MiscService $miscService
*/
public function __construct(
IUrlGenerator $urlGenerator, CacheDocumentsRequest $cacheDocumentsRequest,
ActorsRequest $actorRequest, StreamRequest $streamRequest,
CacheDocumentService $cacheService, ConfigService $configService, MiscService $miscService
) {
$this->urlGenerator = $urlGenerator;
$this->cacheDocumentsRequest = $cacheDocumentsRequest;
$this->actorRequest = $actorRequest;
$this->streamRequest = $streamRequest;
$this->configService = $configService;
$this->cacheService = $cacheService;
$this->miscService = $miscService;
}
/**
* @param string $id
* @param bool $public
*
* @return Document
* @throws CacheDocumentDoesNotExistException
* @throws MalformedArrayException
* @throws RequestResultNotJsonException
* @throws SocialAppConfigException
*/
public function cacheRemoteDocument(string $id, bool $public = false) {
$document = $this->cacheDocumentsRequest->getById($id, $public);
if ($document->getError() > 0) {
throw new CacheDocumentDoesNotExistException();
}
if ($document->getLocalCopy() !== '') {
return $document;
}
if ($document->getCaching() > (time() - (CacheDocumentsRequest::CACHING_TIMEOUT * 60))) {
return $document;
}
$mime = '';
$this->cacheDocumentsRequest->initCaching($document);
try {
$this->cacheService->saveRemoteFileToCache($document, $mime);
$this->cacheDocumentsRequest->endCaching($document);
$this->streamRequest->updateAttachments($document);
return $document;
} catch (CacheContentMimeTypeException $e) {
$this->miscService->log(
'Not allowed mime type ' . json_encode($document) . ' ' . json_encode($e), 1
);
$document->setMimeType($mime);
$document->setError(self::ERROR_MIMETYPE);
$this->cacheDocumentsRequest->endCaching($document);
} catch (NotFoundException $e) {
$this->miscService->log(
'Cannot save cache file ' . json_encode($document) . ' ' . json_encode($e), 1
);
$document->setError(self::ERROR_PERMISSION);
$this->cacheDocumentsRequest->endCaching($document);
} catch (NotPermittedException $e) {
$this->miscService->log(
'Cannot save cache file ' . json_encode($document) . ' ' . json_encode($e), 1
);
$document->setError(self::ERROR_PERMISSION);
$this->cacheDocumentsRequest->endCaching($document);
} catch (RequestResultSizeException $e) {
$this->miscService->log(
'Downloaded file is too big ' . json_encode($document) . ' ' . json_encode($e), 1
);
$document->setError(self::ERROR_SIZE);
$this->cacheDocumentsRequest->endCaching($document);
} catch (RequestContentException $e) {
$this->cacheDocumentsRequest->deleteById($id);
} catch (UnauthorizedFediverseException $e) {
$this->cacheDocumentsRequest->deleteById($id);
} catch (RequestNetworkException $e) {
$this->cacheDocumentsRequest->endCaching($document);
} catch (RequestServerException $e) {
$this->cacheDocumentsRequest->endCaching($document);
}
throw new CacheDocumentDoesNotExistException();
}
/**
* @param string $id
* @param string $mime
* @param bool $public
*
* @return ISimpleFile
* @throws CacheContentException
* @throws CacheDocumentDoesNotExistException
* @throws MalformedArrayException
* @throws RequestResultNotJsonException
* @throws SocialAppConfigException
*/
public function getResizedFromCache(string $id, string &$mime = '', bool $public = false) {
$document = $this->cacheRemoteDocument($id, $public);
$mime = $document->getMimeType();
return $this->cacheService->getContentFromCache($document->getResizedCopy());
}
/**
* @param string $id
* @param bool $public
* @param string $mimeType
*
* @return ISimpleFile
* @throws CacheContentException
* @throws CacheDocumentDoesNotExistException
* @throws MalformedArrayException
* @throws RequestResultNotJsonException
* @throws SocialAppConfigException
*/
public function getFromCache(string $id, string &$mimeType = '', bool $public = false) {
$document = $this->cacheRemoteDocument($id, $public);
$mimeType = $document->getMimeType();
return $this->cacheService->getContentFromCache($document->getLocalCopy());
}
/**
* @return int
* @throws Exception
*/
public function manageCacheDocuments(): int {
$update = $this->cacheDocumentsRequest->getNotCachedDocuments();
$count = 0;
foreach ($update as $item) {
if ($item->getLocalCopy() === 'avatar') {
continue;
}
try {
$this->cacheRemoteDocument($item->getId());
} catch (Exception $e) {
continue;
}
$count++;
}
return $count;
}
/**
* @param Person $actor
*
* @return string
* @throws SocialAppConfigException
* @throws UrlCloudException
* @throws ItemUnknownException
* @throws ItemAlreadyExistsException
*/
public function cacheLocalAvatarByUsername(Person $actor): string {
$url = $this->urlGenerator->linkToRouteAbsolute(
'core.avatar.getAvatar', ['userId' => $actor->getUserId(), 'size' => 128]
);
$versionCurrent =
(int)$this->configService->getUserValue('version', $actor->getUserId(), 'avatar');
$versionCached = $actor->getAvatarVersion();
if ($versionCurrent > $versionCached) {
/** @var Image $icon */
$icon = AP::$activityPub->getItemFromType(Image::TYPE);
$icon->generateUniqueId('/documents/avatar');
$icon->setUrl($url);
$icon->setMediaType('');
$icon->setLocalCopy('avatar');
$interface = AP::$activityPub->getInterfaceFromType(Image::TYPE);
$interface->save($icon);
$actor->setAvatarVersion($versionCurrent);
$this->actorRequest->update($actor);
} else {
try {
$icon = $this->cacheDocumentsRequest->getByUrl($url);
} catch (CacheDocumentDoesNotExistException $e) {
return '';
}
}
return $icon->getId();
}
}
|
