180 lines
5.6 KiB
PHP
180 lines
5.6 KiB
PHP
<?php
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declare(strict_types = 1);
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namespace Plugin\ActivityPub\Util;
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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use App\Core\Event;
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use App\Core\HTTPClient;
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use Component\FreeNetwork\Util\Discovery;
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use Component\FreeNetwork\Util\WebfingerResource\WebfingerResourceActor;
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use Mf2 as Mf2;
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use XML_XRD;
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/**
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* ActivityPub implementation for GNU social
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*
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* @package GNUsocial
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*
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* @author Evan Prodromou
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* @author Brion Vibber
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* @author James Walker
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* @author Siebrand Mazeland
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* @author Mikael Nordfeldth
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* @author Diogo Cordeiro
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* @copyright 2010, 2019, 2021 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*
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* @see http://www.gnu.org/software/social/
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*/
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class DiscoveryHints
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{
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public static function fromXRD(XML_XRD $xrd)
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{
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$hints = [];
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if (Event::handle('StartDiscoveryHintsFromXRD', [$xrd, &$hints])) {
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foreach ($xrd->links as $link) {
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if ($link->rel === 'self' && $link->type === 'application/activity+json') {
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$hints['activitypub'] = $link->href;
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break;
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}
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}
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Event::handle('EndDiscoveryHintsFromXRD', [$xrd, &$hints]);
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}
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return $hints;
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}
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}
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//class DiscoveryHints
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//{
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// public static function fromXRD(XML_XRD $xrd)
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// {
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// $hints = [];
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//
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// if (Event::handle('StartDiscoveryHintsFromXRD', [$xrd, &$hints])) {
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// foreach ($xrd->links as $link) {
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// switch ($link->rel) {
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// case WebfingerResourceActor::PROFILEPAGE:
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// $hints['profileurl'] = $link->href;
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// break;
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// case Discovery::UPDATESFROM:
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// if (empty($link->type) || $link->type == 'application/atom+xml') {
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// $hints['feedurl'] = $link->href;
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// }
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// break;
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// case Discovery::HCARD:
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// case Discovery::MF2_HCARD:
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// $hints['hcard'] = $link->href;
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// break;
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// default:
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// break;
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// }
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// }
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// Event::handle('EndDiscoveryHintsFromXRD', [$xrd, &$hints]);
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// }
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//
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// return $hints;
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// }
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//
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// public static function fromHcardUrl($url)
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// {
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// $response = HTTPClient::get($url, ['headers' => ['Accept' => 'text/html,application/xhtml+xml']]);
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//
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// if (!HTTPClient::statusCodeIsOkay($response)) {
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// return null;
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// }
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//
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// return self::hcardHints(
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// $response->getContent(),
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// HTTPClient::getEffectiveUrl($response)
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// );
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// }
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//
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// public static function hcardHints($body, $url)
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// {
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// $hcard = self::hcard($body, $url);
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//
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// if (empty($hcard)) {
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// return [];
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// }
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//
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// $hints = [];
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//
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// // XXX: don't copy stuff into an array and then copy it again
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//
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// if (array_key_exists('nickname', $hcard) && !empty($hcard['nickname'][0])) {
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// $hints['nickname'] = $hcard['nickname'][0];
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// }
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//
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// if (array_key_exists('name', $hcard) && !empty($hcard['name'][0])) {
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// $hints['fullname'] = $hcard['name'][0];
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// }
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//
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// if (array_key_exists('photo', $hcard) && count($hcard['photo'])) {
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// $hints['avatar'] = $hcard['photo'][0];
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// }
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//
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// if (array_key_exists('note', $hcard) && !empty($hcard['note'][0])) {
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// $hints['bio'] = $hcard['note'][0];
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// }
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//
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// if (array_key_exists('adr', $hcard) && !empty($hcard['adr'][0])) {
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// $hints['location'] = $hcard['adr'][0]['value'];
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// }
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//
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// if (array_key_exists('url', $hcard) && !empty($hcard['url'][0])) {
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// $hints['homepage'] = $hcard['url'][0];
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// }
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//
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// return $hints;
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// }
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//
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// private static function hcard($body, $url)
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// {
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// $mf2 = new Mf2\Parser($body, $url);
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// $mf2 = $mf2->parse();
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//
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// if (empty($mf2['items'])) {
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// return null;
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// }
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//
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// $hcards = [];
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//
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// foreach ($mf2['items'] as $item) {
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// if (!in_array('h-card', $item['type'])) {
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// continue;
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// }
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//
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// // We found a match, return it immediately
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// if (isset($item['properties']['url']) && in_array($url, $item['properties']['url'])) {
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// return $item['properties'];
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// }
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//
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// // Let's keep all the hcards for later, to return one of them at least
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// $hcards[] = $item['properties'];
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// }
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//
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// // No match immediately for the url we expected, but there were h-cards found
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// if (count($hcards) > 0) {
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// return $hcards[0];
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// }
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//
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// return null;
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// }
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//}
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