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Mini Shell
Mini Shell
<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Circles\Tools\Traits;
use OCA\Circles\Tools\Exceptions\RequestNetworkException;
use OCA\Circles\Tools\Exceptions\WellKnownLinkNotFoundException;
use OCA\Circles\Tools\Model\NCRequest;
use OCA\Circles\Tools\Model\NCWebfinger;
use OCA\Circles\Tools\Model\NCWellKnownLink;
use OCA\Circles\Tools\Model\SimpleDataStore;
trait TNCWellKnown {
use TNCRequest;
public static $WEBFINGER = '/.well-known/webfinger';
/**
* @param string $host
* @param string $subject
* @param string $rel
*
* @return SimpleDataStore
* @throws RequestNetworkException
* @throws WellKnownLinkNotFoundException
*/
public function getResourceData(string $host, string $subject, string $rel): SimpleDataStore {
$link = $this->getLink($host, $subject, $rel);
$request = new NCRequest('');
$request->basedOnUrl($link->getHref());
$request->addHeader('Accept', $link->getType());
$request->setFollowLocation(true);
$request->setLocalAddressAllowed(true);
$request->setTimeout(5);
$data = $this->retrieveJson($request);
return new SimpleDataStore($data);
}
/**
* @param string $host
* @param string $subject
* @param string $rel
*
* @return NCWellKnownLink
* @throws RequestNetworkException
* @throws WellKnownLinkNotFoundException
*/
public function getLink(string $host, string $subject, string $rel): NCWellKnownLink {
return $this->extractLink($rel, $this->getWebfinger($host, $subject));
}
/**
* @param string $host
* @param string $subject
* @param string $rel
*
* @return NCWebfinger
* @throws RequestNetworkException
*/
public function getWebfinger(string $host, string $subject, string $rel = ''): NCWebfinger {
$request = new NCRequest(self::$WEBFINGER);
$request->setHost($host);
$request->setProtocols(['https', 'http']);
$request->setFollowLocation(true);
$request->setLocalAddressAllowed(true);
$request->setTimeout(5);
$request->addParam('resource', $subject);
if ($rel !== '') {
$request->addParam('rel', $rel);
}
$result = $this->retrieveJson($request);
return new NCWebfinger($result);
}
/**
* @param string $rel
* @param NCWebfinger $webfinger
*
* @return NCWellKnownLink
* @throws WellKnownLinkNotFoundException
*/
public function extractLink(string $rel, NCWebfinger $webfinger): NCWellKnownLink {
foreach ($webfinger->getLinks() as $link) {
if ($link->getRel() === $rel) {
return $link;
}
}
throw new WellKnownLinkNotFoundException();
}
}
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