278 lines
11 KiB
PHP
278 lines
11 KiB
PHP
<?php
|
|
|
|
declare(strict_types = 1);
|
|
|
|
// {{{ License
|
|
// This file is part of GNU social - https://www.gnu.org/software/social
|
|
//
|
|
// GNU social 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.
|
|
//
|
|
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
|
|
// }}}
|
|
|
|
namespace Component\FreeNetwork;
|
|
|
|
use App\Core\Event;
|
|
use function App\Core\I18n\_m;
|
|
use App\Core\Log;
|
|
use App\Core\Modules\Component;
|
|
use App\Core\Router\RouteLoader;
|
|
use App\Core\Router\Router;
|
|
use App\Entity\Actor;
|
|
use App\Entity\LocalUser;
|
|
use App\Entity\Note;
|
|
use App\Util\Common;
|
|
use App\Util\Exception\ClientException;
|
|
use App\Util\Exception\NoSuchActorException;
|
|
use App\Util\Exception\ServerException;
|
|
use App\Util\Nickname;
|
|
use Component\FreeNetwork\Controller\HostMeta;
|
|
use Component\FreeNetwork\Controller\OwnerXrd;
|
|
use Component\FreeNetwork\Controller\Webfinger;
|
|
use Component\FreeNetwork\Util\Discovery;
|
|
use Component\FreeNetwork\Util\WebfingerResource;
|
|
use Component\FreeNetwork\Util\WebfingerResource\WebfingerResourceActor;
|
|
use Component\FreeNetwork\Util\WebfingerResource\WebfingerResourceNote;
|
|
use Exception;
|
|
use Plugin\ActivityPub\Entity\ActivitypubActivity;
|
|
use Plugin\ActivityPub\Util\Response\TypeResponse;
|
|
use Symfony\Component\HttpFoundation\JsonResponse;
|
|
use Symfony\Component\HttpFoundation\Response;
|
|
use XML_XRD_Element_Link;
|
|
|
|
/**
|
|
* Implements WebFinger (RFC7033) for GNU social, as well as Link-based Resource Descriptor Discovery based on RFC6415,
|
|
* Web Host Metadata ('.well-known/host-meta') resource.
|
|
*
|
|
* @package GNUsocial
|
|
*
|
|
* @author Mikael Nordfeldth <mmn@hethane.se>
|
|
* @author Diogo Peralta Cordeiro <mail@diogo.site>
|
|
*/
|
|
class FreeNetwork extends Component
|
|
{
|
|
public const PLUGIN_VERSION = '0.1.0';
|
|
|
|
public const OAUTH_ACCESS_TOKEN_REL = 'http://apinamespace.org/oauth/access_token';
|
|
public const OAUTH_REQUEST_TOKEN_REL = 'http://apinamespace.org/oauth/request_token';
|
|
public const OAUTH_AUTHORIZE_REL = 'http://apinamespace.org/oauth/authorize';
|
|
|
|
public function onAddRoute(RouteLoader $m): bool
|
|
{
|
|
$m->connect('freenetwork_hostmeta', '.well-known/host-meta', [HostMeta::class, 'handle']);
|
|
$m->connect(
|
|
'freenetwork_hostmeta_format',
|
|
'.well-known/host-meta.:format',
|
|
[HostMeta::class, 'handle'],
|
|
['format' => '(xml|json)'],
|
|
);
|
|
// the resource GET parameter can be anywhere, so don't mention it here
|
|
$m->connect('freenetwork_webfinger', '.well-known/webfinger', [Webfinger::class, 'handle']);
|
|
$m->connect(
|
|
'freenetwork_webfinger_format',
|
|
'.well-known/webfinger.:format',
|
|
[Webfinger::class, 'handle'],
|
|
['format' => '(xml|json)'],
|
|
);
|
|
$m->connect('freenetwork_ownerxrd', 'main/ownerxrd', [OwnerXrd::class, 'handle']);
|
|
return Event::next;
|
|
}
|
|
|
|
public function onStartGetProfileAcctUri(Actor $profile, &$acct): bool
|
|
{
|
|
$wfr = new WebFingerResourceActor($profile);
|
|
try {
|
|
$acct = $wfr->reconstructAcct();
|
|
} catch (Exception) {
|
|
return Event::next;
|
|
}
|
|
|
|
return Event::stop;
|
|
}
|
|
|
|
public function onEndGetWebFingerResource($resource, ?WebfingerResource &$target = null, array $args = [])
|
|
{
|
|
// * Either we didn't find the profile, then we want to make
|
|
// the $profile variable null for clarity.
|
|
// * Or we did find it but for a possibly malicious remote
|
|
// user who might've set their profile URL to a Note URL
|
|
// which would've caused a sort of DoS unless we continue
|
|
// our search here by discarding the remote profile.
|
|
$profile = null;
|
|
if (Discovery::isAcct($resource)) {
|
|
$parts = explode('@', mb_substr(urldecode($resource), 5)); // 5 is strlen of 'acct:'
|
|
if (\count($parts) == 2) {
|
|
[$nick, $domain] = $parts;
|
|
if ($domain !== $_ENV['SOCIAL_DOMAIN']) {
|
|
throw new ServerException(_m('Remote profiles not supported via WebFinger yet.'));
|
|
}
|
|
|
|
$nick = Nickname::normalize(nickname: $nick, check_already_used: false, check_is_allowed: false);
|
|
$freenetwork_actor = LocalUser::getWithPK(['nickname' => $nick]);
|
|
if (!($freenetwork_actor instanceof LocalUser)) {
|
|
throw new NoSuchActorException($nick);
|
|
}
|
|
$profile = $freenetwork_actor->getActor();
|
|
}
|
|
} else {
|
|
try {
|
|
if (filter_var($resource, \FILTER_VALIDATE_URL) !== false) {
|
|
// This means $resource is a valid url
|
|
$resource_parts = parse_url($resource);
|
|
// TODO: Use URLMatcher
|
|
if ($resource_parts['host'] === $_ENV['SOCIAL_DOMAIN']) { // XXX: Common::config('site', 'server')) {
|
|
$str = $resource_parts['path'];
|
|
// actor_view_nickname
|
|
$renick = '/\/@(' . Nickname::DISPLAY_FMT . ')\/?/m';
|
|
// actor_view_id
|
|
$reuri = '/\/actor\/(\d+)\/?/m';
|
|
if (preg_match_all($renick, $str, $matches, \PREG_SET_ORDER, 0) === 1) {
|
|
$profile = LocalUser::getWithPK(['nickname' => $matches[0][1]])->getActor();
|
|
} elseif (preg_match_all($reuri, $str, $matches, \PREG_SET_ORDER, 0) === 1) {
|
|
$profile = Actor::getById((int) $matches[0][1]);
|
|
}
|
|
}
|
|
}
|
|
} catch (NoSuchActorException $e) {
|
|
// not a User, maybe a Note? we'll try that further down...
|
|
|
|
// try {
|
|
// Log::debug(__METHOD__ . ': Finding User_group URI for WebFinger lookup on resource==' . $resource);
|
|
// $group = new User_group();
|
|
// $group->whereAddIn('uri', array_keys($alt_urls), $group->columnType('uri'));
|
|
// $group->limit(1);
|
|
// if ($group->find(true)) {
|
|
// $profile = $group->getProfile();
|
|
// }
|
|
// unset($group);
|
|
// } catch (Exception $e) {
|
|
// Log::error(get_class($e) . ': ' . $e->getMessage());
|
|
// throw $e;
|
|
// }
|
|
}
|
|
}
|
|
|
|
if ($profile instanceof Actor) {
|
|
Log::debug(__METHOD__ . ': Found Profile with ID==' . $profile->getID() . ' for resource==' . $resource);
|
|
$target = new WebfingerResourceActor($profile);
|
|
return Event::stop; // We got our target, stop handler execution
|
|
}
|
|
|
|
$APNote = ActivitypubActivity::getWithPK(['object_uri' => $resource]);
|
|
if ($APNote instanceof ActivitypubActivity) {
|
|
$target = new WebfingerResourceNote(Note::getWithPK(['id' => $APNote->getObjectId()]));
|
|
return Event::stop; // We got our target, stop handler execution
|
|
}
|
|
|
|
return Event::next;
|
|
}
|
|
|
|
public function onStartHostMetaLinks(array &$links): bool
|
|
{
|
|
foreach (Discovery::supportedMimeTypes() as $type) {
|
|
$links[] = new XML_XRD_Element_Link(
|
|
Discovery::LRDD_REL,
|
|
Router::url(id: 'freenetwork_webfinger', args: [], type: Router::ABSOLUTE_URL) . '?resource={uri}',
|
|
$type,
|
|
isTemplate: true,
|
|
);
|
|
}
|
|
|
|
// TODO OAuth connections
|
|
//$links[] = new XML_XRD_Element_link(self::OAUTH_ACCESS_TOKEN_REL, common_local_url('ApiOAuthAccessToken'));
|
|
//$links[] = new XML_XRD_Element_link(self::OAUTH_REQUEST_TOKEN_REL, common_local_url('ApiOAuthRequestToken'));
|
|
//$links[] = new XML_XRD_Element_link(self::OAUTH_AUTHORIZE_REL, common_local_url('ApiOAuthAuthorize'));
|
|
return Event::next;
|
|
}
|
|
|
|
/**
|
|
* Add a link header for LRDD Discovery
|
|
*/
|
|
public function onStartShowHTML($action): bool
|
|
{
|
|
if ($action instanceof ShowstreamAction) {
|
|
$resource = $action->getTarget()->getUri();
|
|
$url = common_local_url('webfinger') . '?resource=' . urlencode($resource);
|
|
|
|
foreach ([Discovery::JRD_MIMETYPE, Discovery::XRD_MIMETYPE] as $type) {
|
|
header('Link: <' . $url . '>; rel="' . Discovery::LRDD_REL . '"; type="' . $type . '"', false);
|
|
}
|
|
}
|
|
return Event::next;
|
|
}
|
|
|
|
public function onStartDiscoveryMethodRegistration(Discovery $disco): bool
|
|
{
|
|
$disco->registerMethod('\Component\FreeNetwork\Util\LrddMethod\LrddMethodWebfinger');
|
|
return Event::next;
|
|
}
|
|
|
|
public function onEndDiscoveryMethodRegistration(Discovery $disco): bool
|
|
{
|
|
$disco->registerMethod('\Component\FreeNetwork\Util\LrddMethod\LrddMethodHostMeta');
|
|
$disco->registerMethod('\Component\FreeNetwork\Util\LrddMethod\LrddMethodLinkHeader');
|
|
$disco->registerMethod('\Component\FreeNetwork\Util\LrddMethod\LrddMethodLinkHtml');
|
|
return Event::next;
|
|
}
|
|
|
|
/**
|
|
* @throws ClientException
|
|
* @throws ServerException
|
|
*/
|
|
public function onControllerResponseInFormat(string $route, array $accept_header, array $vars, ?TypeResponse &$response = null): bool
|
|
{
|
|
if (!\in_array($route, ['freenetwork_hostmeta', 'freenetwork_hostmeta_format', 'freenetwork_webfinger', 'freenetwork_webfinger_format', 'freenetwork_ownerxrd'])) {
|
|
return Event::next;
|
|
}
|
|
|
|
$mimeType = array_intersect(array_values(Discovery::supportedMimeTypes()), $accept_header);
|
|
/*
|
|
* "A WebFinger resource MUST return a JRD as the representation
|
|
* for the resource if the client requests no other supported
|
|
* format explicitly via the HTTP "Accept" header. [...]
|
|
* The WebFinger resource MUST silently ignore any requested
|
|
* representations that it does not understand and support."
|
|
* -- RFC 7033 (WebFinger)
|
|
* http://tools.ietf.org/html/rfc7033
|
|
*/
|
|
$mimeType = \count($mimeType) !== 0 ? array_pop($mimeType) : $vars['default_mimetype'];
|
|
|
|
$headers = [];
|
|
|
|
if (Common::config('discovery', 'cors')) {
|
|
$headers['Access-Control-Allow-Origin'] = '*';
|
|
}
|
|
|
|
$headers['Content-Type'] = $mimeType;
|
|
|
|
$response = match ($mimeType) {
|
|
Discovery::XRD_MIMETYPE => new Response(content: $vars['xrd']->to('xml'), headers: $headers),
|
|
Discovery::JRD_MIMETYPE, Discovery::JRD_MIMETYPE_OLD => new JsonResponse(data: $vars['xrd']->to('json'), headers: $headers, json: true),
|
|
};
|
|
return Event::stop;
|
|
}
|
|
|
|
public function onPluginVersion(array &$versions): bool
|
|
{
|
|
$versions[] = [
|
|
'name' => 'WebFinger',
|
|
'version' => self::PLUGIN_VERSION,
|
|
'author' => 'Mikael Nordfeldth',
|
|
'homepage' => GNUSOCIAL_ENGINE_URL,
|
|
// TRANS: Plugin description.
|
|
'rawdescription' => _m('WebFinger and LRDD support'),
|
|
];
|
|
|
|
return true;
|
|
}
|
|
}
|