social/lib/Service/CurlService.php

344 wiersze
9.8 KiB
PHP

<?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\ArrayNotFoundException;
use daita\MySmallPhpTools\Exceptions\MalformedArrayException;
use daita\MySmallPhpTools\Exceptions\RequestContentException;
use daita\MySmallPhpTools\Exceptions\RequestNetworkException;
use daita\MySmallPhpTools\Exceptions\RequestResultNotJsonException;
use daita\MySmallPhpTools\Exceptions\RequestResultSizeException;
use daita\MySmallPhpTools\Exceptions\RequestServerException;
use daita\MySmallPhpTools\Model\Nextcloud\nc20\NC20Request;
use daita\MySmallPhpTools\Model\Request;
use daita\MySmallPhpTools\Traits\Nextcloud\nc20\TNC20Request;
use daita\MySmallPhpTools\Traits\TArrayTools;
use daita\MySmallPhpTools\Traits\TPathTools;
use Exception;
use OCA\Social\AP;
use OCA\Social\Exceptions\HostMetaException;
use OCA\Social\Exceptions\InvalidOriginException;
use OCA\Social\Exceptions\InvalidResourceException;
use OCA\Social\Exceptions\ItemUnknownException;
use OCA\Social\Exceptions\RedundancyLimitException;
use OCA\Social\Exceptions\RetrieveAccountFormatException;
use OCA\Social\Exceptions\SocialAppConfigException;
use OCA\Social\Exceptions\UnauthorizedFediverseException;
use OCA\Social\Model\ActivityPub\Actor\Person;
class CurlService {
use TArrayTools;
use TPathTools;
use TNC20Request {
retrieveJson as retrieveJsonOrig;
doRequest as doRequestOrig;
}
const ASYNC_REQUEST_TOKEN = '/async/request/{token}';
const USER_AGENT = 'Nextcloud Social';
/** @var ConfigService */
private $configService;
/** @var FediverseService */
private $fediverseService;
/** @var MiscService */
private $miscService;
/**
* CurlService constructor.
*
* @param ConfigService $configService
* @param FediverseService $fediverseService
* @param MiscService $miscService
*/
public function __construct(
ConfigService $configService, FediverseService $fediverseService, MiscService $miscService
) {
$this->configService = $configService;
$this->fediverseService = $fediverseService;
$this->miscService = $miscService;
$maxDlSize = $this->configService->getAppValue(ConfigService::SOCIAL_MAX_SIZE) * (1024 * 1024);
$this->setMaxDownloadSize($maxDlSize);
$this->setup('app', 'social');
}
/**
* @param string $account
*
* @return array
* @throws InvalidResourceException
* @throws RequestContentException
* @throws RequestNetworkException
* @throws RequestResultNotJsonException
* @throws RequestResultSizeException
* @throws RequestServerException
* @throws SocialAppConfigException
* @throws UnauthorizedFediverseException
*/
public function webfingerAccount(string &$account): array {
$this->debug('webfingerAccount', ['account' => $account]);
$account = $this->withoutBeginAt($account);
// we consider an account is like an email
if (!filter_var($account, FILTER_VALIDATE_EMAIL)) {
throw new InvalidResourceException('account format is not valid');
}
list($username, $host) = explode('@', $account);
if ($username === null || $host === null) {
throw new InvalidResourceException();
}
$protocols = ['https', 'http'];
try {
$path = $this->hostMeta($host, $protocols);
} catch (HostMetaException $e) {
$path = '/.well-known/webfinger';
}
$request = new NC20Request($path);
$request->addParam('resource', 'acct:' . $account);
$request->setHost($host);
$request->setProtocols($protocols);
$result = $this->retrieveJson($request);
$this->notice('webfingerAccount, request result', false, ['request' => $request]);
$subject = $this->get('subject', $result, '');
list($type, $temp) = explode(':', $subject, 2);
if ($type === 'acct') {
$account = $temp;
}
return $result;
}
/**
* @param string $host
* @param array $protocols
*
* @return string
* @throws HostMetaException
*/
public function hostMeta(string &$host, array &$protocols): string {
$request = new NC20Request('/.well-known/host-meta');
$request->setHost($host);
$request->setProtocols($protocols);
$this->debug('hostMeta', ['host' => $host, 'protocols' => $protocols]);
try {
$result = $this->retrieveJson($request);
} catch (Exception $e) {
$this->exception($e, self::$NOTICE, ['request' => $request]);
throw new HostMetaException(get_class($e) . ' - ' . $e->getMessage());
}
$url = $this->get('Link.@attributes.template', $result, '');
$host = parse_url($url, PHP_URL_HOST);
$protocols = [parse_url($url, PHP_URL_SCHEME)];
return parse_url($url, PHP_URL_PATH);
}
/**
* @param string $account
*
* @return Person
* @throws InvalidOriginException
* @throws InvalidResourceException
* @throws MalformedArrayException
* @throws RedundancyLimitException
* @throws RequestContentException
* @throws RetrieveAccountFormatException
* @throws RequestNetworkException
* @throws RequestResultSizeException
* @throws RequestServerException
* @throws SocialAppConfigException
* @throws ItemUnknownException
* @throws RequestResultNotJsonException
* @throws UnauthorizedFediverseException
*/
public function retrieveAccount(string &$account): Person {
$this->debug('retrieveAccount', ['account' => $account]);
$result = $this->webfingerAccount($account);
try {
$link = $this->extractArray('rel', 'self', $this->getArray('links', $result));
} catch (ArrayNotFoundException $e) {
throw new RetrieveAccountFormatException();
}
$id = $this->get('href', $link, '');
$data = $this->retrieveObject($id);
$this->debug('retrieveAccount, details', ['link' => $link, 'data' => $data, 'account' => $account]);
/** @var Person $actor */
$actor = AP::$activityPub->getItemFromData($data);
if (!AP::$activityPub->isActor($actor)) {
throw new ItemUnknownException(json_encode($actor) . ' is not an Actor');
}
if (strtolower($actor->getId()) !== strtolower($id)) {
throw new InvalidOriginException(
'CurlService::retrieveAccount - id: ' . $id . ' - actorId: ' . $actor->getId()
);
}
return $actor;
}
/**
* @param $id
*
* @return array
* @throws MalformedArrayException
* @throws RequestContentException
* @throws RequestNetworkException
* @throws RequestResultNotJsonException
* @throws RequestResultSizeException
* @throws RequestServerException
* @throws SocialAppConfigException
* @throws UnauthorizedFediverseException
*/
public function retrieveObject($id): array {
$this->debug('retrieveObject', ['id' => $id]);
$url = parse_url($id);
$this->mustContains(['path', 'host', 'scheme'], $url);
$request = new NC20Request($url['path'], Request::TYPE_GET);
$request->setHost($url['host']);
$request->setProtocol($url['scheme']);
$this->debug('retrieveObject', ['request' => $request]);
$result = $this->retrieveJson($request);
$this->notice('retrieveObject, request result', false, ['request' => $request]);
if (is_array($result)) {
$result['_host'] = $request->getHost();
}
return $result;
}
/**
* @param NC20Request $request
*
* @return array
* @throws RequestContentException
* @throws RequestNetworkException
*/
public function retrieveJson(NC20Request $request): array {
try {
return $this->retrieveJsonOrig($request);
} catch (RequestNetworkException | RequestContentException $e) {
$this->exception($e, self::$NOTICE, ['request' => $request]);
throw $e;
}
}
/**
* @param NC20Request $request
*
* @return mixed
* @throws SocialAppConfigException
* @throws UnauthorizedFediverseException
* @throws RequestContentException
* @throws RequestNetworkException
* @throws RequestResultSizeException
* @throws RequestServerException
*/
// migration ?
public function doRequest(NC20Request $request) {
$this->fediverseService->authorized($request->getAddress());
$this->configService->configureRequest($request);
$this->assignUserAgent($request);
return $this->doRequestOrig($request);
}
/**
* @param NC20Request $request
*/
public function assignUserAgent(NC20Request $request) {
$request->setUserAgent(
self::USER_AGENT . ' ' . $this->configService->getAppValue('installed_version')
);
}
/**
* @param string $token
*
* @throws SocialAppConfigException
*/
public function asyncWithToken(string $token) {
$address = $this->configService->getSocialUrl();
$path = $this->withEndSlash(parse_url($address, PHP_URL_PATH));
$path .= $this->withoutBeginSlash(self::ASYNC_REQUEST_TOKEN);
$path = str_replace('{token}', $token, $path);
$request = new NC20Request($path, Request::TYPE_POST);
$request->setHost($this->configService->getCloudHost());
$request->setProtocol(parse_url($address, PHP_URL_SCHEME));
try {
$this->retrieveJson($request);
} catch (RequestResultNotJsonException $e) {
} catch (Exception $e) {
$this->miscService->log(
'Cannot initiate AsyncWithToken ' . json_encode($token) . ' (' . get_class($e)
. ' - ' . json_encode($e) . ')', 1
);
}
}
}