pixelfed/app/Http/Controllers/FederationController.php
2023-12-05 00:55:41 -07:00

275 lines
9.6 KiB
PHP

<?php
namespace App\Http\Controllers;
use App\Jobs\InboxPipeline\{
DeleteWorker,
InboxWorker,
InboxValidator
};
use App\Jobs\RemoteFollowPipeline\RemoteFollowPipeline;
use App\{
AccountLog,
Like,
Profile,
Status,
User
};
use App\Util\Lexer\Nickname;
use App\Util\Webfinger\Webfinger;
use Auth;
use Cache;
use Carbon\Carbon;
use Illuminate\Http\Request;
use League\Fractal;
use App\Util\Site\Nodeinfo;
use App\Util\ActivityPub\{
Helpers,
HttpSignature,
Outbox
};
use Zttp\Zttp;
use App\Services\InstanceService;
use App\Services\AccountService;
class FederationController extends Controller
{
public function nodeinfoWellKnown()
{
abort_if(!config('federation.nodeinfo.enabled'), 404);
return response()->json(Nodeinfo::wellKnown(), 200, [], JSON_UNESCAPED_SLASHES)
->header('Access-Control-Allow-Origin','*');
}
public function nodeinfo()
{
abort_if(!config('federation.nodeinfo.enabled'), 404);
return response()->json(Nodeinfo::get(), 200, [], JSON_UNESCAPED_SLASHES)
->header('Access-Control-Allow-Origin','*');
}
public function webfinger(Request $request)
{
if (!config('federation.webfinger.enabled') ||
!$request->has('resource') ||
!$request->filled('resource')
) {
return response('', 400);
}
$resource = $request->input('resource');
$domain = config('pixelfed.domain.app');
if(config('federation.activitypub.sharedInbox') &&
$resource == 'acct:' . $domain . '@' . $domain) {
$res = [
'subject' => 'acct:' . $domain . '@' . $domain,
'aliases' => [
'https://' . $domain . '/i/actor'
],
'links' => [
[
'rel' => 'http://webfinger.net/rel/profile-page',
'type' => 'text/html',
'href' => 'https://' . $domain . '/site/kb/instance-actor'
],
[
'rel' => 'self',
'type' => 'application/activity+json',
'href' => 'https://' . $domain . '/i/actor'
]
]
];
return response()->json($res, 200, [], JSON_UNESCAPED_SLASHES);
}
$hash = hash('sha256', $resource);
$key = 'federation:webfinger:sha256:' . $hash;
if($cached = Cache::get($key)) {
return response()->json($cached, 200, [], JSON_UNESCAPED_SLASHES);
}
if(strpos($resource, $domain) == false) {
return response('', 400);
}
$parsed = Nickname::normalizeProfileUrl($resource);
if(empty($parsed) || $parsed['domain'] !== $domain) {
return response('', 400);
}
$username = $parsed['username'];
$profile = Profile::whereNull('domain')->whereUsername($username)->first();
if(!$profile || $profile->status !== null) {
return response('', 400);
}
$webfinger = (new Webfinger($profile))->generate();
Cache::put($key, $webfinger, 1209600);
return response()->json($webfinger, 200, [], JSON_UNESCAPED_SLASHES)
->header('Access-Control-Allow-Origin','*');
}
public function hostMeta(Request $request)
{
abort_if(!config('federation.webfinger.enabled'), 404);
$path = route('well-known.webfinger');
$xml = '<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" type="application/xrd+xml" template="'.$path.'?resource={uri}"/></XRD>';
return response($xml)->header('Content-Type', 'application/xrd+xml');
}
public function userOutbox(Request $request, $username)
{
abort_if(!config_cache('federation.activitypub.enabled'), 404);
if(!$request->wantsJson()) {
return redirect('/' . $username);
}
$id = AccountService::usernameToId($username);
abort_if(!$id, 404);
$account = AccountService::get($id);
abort_if(!$account || !isset($account['statuses_count']), 404);
$res = [
'@context' => 'https://www.w3.org/ns/activitystreams',
'id' => 'https://' . config('pixelfed.domain.app') . '/users/' . $username . '/outbox',
'type' => 'OrderedCollection',
'totalItems' => $account['statuses_count'] ?? 0,
];
return response(json_encode($res, JSON_UNESCAPED_SLASHES))->header('Content-Type', 'application/activity+json');
}
public function userInbox(Request $request, $username)
{
abort_if(!config_cache('federation.activitypub.enabled'), 404);
abort_if(!config('federation.activitypub.inbox'), 404);
$headers = $request->headers->all();
$payload = $request->getContent();
if(!$payload || empty($payload)) {
return;
}
$obj = json_decode($payload, true, 8);
if(!isset($obj['id'])) {
return;
}
$domain = parse_url($obj['id'], PHP_URL_HOST);
if(in_array($domain, InstanceService::getBannedDomains())) {
return;
}
if(isset($obj['type']) && $obj['type'] === 'Delete') {
if(isset($obj['object']) && isset($obj['object']['type']) && isset($obj['object']['id'])) {
if($obj['object']['type'] === 'Person') {
if(Profile::whereRemoteUrl($obj['object']['id'])->exists()) {
dispatch(new DeleteWorker($headers, $payload))->onQueue('inbox');
return;
}
}
if($obj['object']['type'] === 'Tombstone') {
if(Status::whereObjectUrl($obj['object']['id'])->exists()) {
dispatch(new DeleteWorker($headers, $payload))->onQueue('delete');
return;
}
}
if($obj['object']['type'] === 'Story') {
dispatch(new DeleteWorker($headers, $payload))->onQueue('story');
return;
}
}
return;
} else if( isset($obj['type']) && in_array($obj['type'], ['Follow', 'Accept'])) {
dispatch(new InboxValidator($username, $headers, $payload))->onQueue('follow');
} else {
dispatch(new InboxValidator($username, $headers, $payload))->onQueue('high');
}
return;
}
public function sharedInbox(Request $request)
{
abort_if(!config_cache('federation.activitypub.enabled'), 404);
abort_if(!config('federation.activitypub.sharedInbox'), 404);
$headers = $request->headers->all();
$payload = $request->getContent();
if(!$payload || empty($payload)) {
return;
}
$obj = json_decode($payload, true, 8);
if(!isset($obj['id'])) {
return;
}
$domain = parse_url($obj['id'], PHP_URL_HOST);
if(in_array($domain, InstanceService::getBannedDomains())) {
return;
}
if(isset($obj['type']) && $obj['type'] === 'Delete') {
if(isset($obj['object']) && isset($obj['object']['type']) && isset($obj['object']['id'])) {
if($obj['object']['type'] === 'Person') {
if(Profile::whereRemoteUrl($obj['object']['id'])->exists()) {
dispatch(new DeleteWorker($headers, $payload))->onQueue('inbox');
return;
}
}
if($obj['object']['type'] === 'Tombstone') {
if(Status::whereObjectUrl($obj['object']['id'])->exists()) {
dispatch(new DeleteWorker($headers, $payload))->onQueue('delete');
return;
}
}
if($obj['object']['type'] === 'Story') {
dispatch(new DeleteWorker($headers, $payload))->onQueue('story');
return;
}
}
return;
} else if( isset($obj['type']) && in_array($obj['type'], ['Follow', 'Accept'])) {
dispatch(new InboxWorker($headers, $payload))->onQueue('follow');
} else {
dispatch(new InboxWorker($headers, $payload))->onQueue('shared');
}
return;
}
public function userFollowing(Request $request, $username)
{
abort_if(!config_cache('federation.activitypub.enabled'), 404);
$id = AccountService::usernameToId($username);
abort_if(!$id, 404);
$account = AccountService::get($id);
abort_if(!$account || !isset($account['following_count']), 404);
$obj = [
'@context' => 'https://www.w3.org/ns/activitystreams',
'id' => $request->getUri(),
'type' => 'OrderedCollection',
'totalItems' => $account['following_count'] ?? 0,
];
return response()->json($obj);
}
public function userFollowers(Request $request, $username)
{
abort_if(!config_cache('federation.activitypub.enabled'), 404);
$id = AccountService::usernameToId($username);
abort_if(!$id, 404);
$account = AccountService::get($id);
abort_if(!$account || !isset($account['followers_count']), 404);
$obj = [
'@context' => 'https://www.w3.org/ns/activitystreams',
'id' => $request->getUri(),
'type' => 'OrderedCollection',
'totalItems' => $account['followers_count'] ?? 0,
];
return response()->json($obj);
}
}