pixelfed/app/Http/Controllers/FederationController.php

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<?php
namespace App\Http\Controllers;
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use App\Jobs\InboxPipeline\{
InboxWorker,
InboxValidator
};
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use App\Jobs\RemoteFollowPipeline\RemoteFollowPipeline;
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use App\{
AccountLog,
Like,
Profile,
Status,
User
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};
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use App\Util\Lexer\Nickname;
use App\Util\Webfinger\Webfinger;
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use Auth;
use Cache;
use Carbon\Carbon;
use Illuminate\Http\Request;
use League\Fractal;
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use App\Util\Site\Nodeinfo;
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use App\Util\ActivityPub\{
Helpers,
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HttpSignature,
Outbox
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};
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use Zttp\Zttp;
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class FederationController extends Controller
{
public function nodeinfoWellKnown()
{
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abort_if(!config('federation.nodeinfo.enabled'), 404);
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return response()->json(Nodeinfo::wellKnown());
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}
public function nodeinfo()
{
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abort_if(!config('federation.nodeinfo.enabled'), 404);
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return response()->json(Nodeinfo::get())
->header('Access-Control-Allow-Origin','*');
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}
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public function webfinger(Request $request)
{
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abort_if(!config('federation.webfinger.enabled'), 400);
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abort_if(!$request->filled('resource'), 400);
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$resource = $request->input('resource');
$parsed = Nickname::normalizeProfileUrl($resource);
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if($parsed['domain'] !== config('pixelfed.domain.app')) {
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abort(400);
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}
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$username = $parsed['username'];
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$profile = Profile::whereNull('domain')->whereUsername($username)->firstOrFail();
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if($profile->status != null) {
return ProfileController::accountCheck($profile);
}
$webfinger = (new Webfinger($profile))->generate();
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return response()->json($webfinger, 200, [], JSON_PRETTY_PRINT);
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}
public function hostMeta(Request $request)
{
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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');
}
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public function userOutbox(Request $request, $username)
{
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abort_if(!config('federation.activitypub.enabled'), 404);
abort_if(!config('federation.activitypub.outbox'), 404);
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$profile = Profile::whereNull('domain')
->whereNull('status')
->whereIsPrivate(false)
->whereUsername($username)
->firstOrFail();
$key = 'ap:outbox:latest_10:pid:' . $profile->id;
$ttl = now()->addMinutes(15);
$res = Cache::remember($key, $ttl, function() use($profile) {
return Outbox::get($profile);
});
return response(json_encode($res, JSON_UNESCAPED_SLASHES))->header('Content-Type', 'application/activity+json');
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}
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public function userInbox(Request $request, $username)
{
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abort_if(!config('federation.activitypub.enabled'), 404);
abort_if(!config('federation.activitypub.inbox'), 404);
$headers = $request->headers->all();
$payload = $request->getContent();
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dispatch(new InboxValidator($username, $headers, $payload))->onQueue('high');
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return;
}
public function userFollowing(Request $request, $username)
{
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abort_if(!config('federation.activitypub.enabled'), 404);
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$profile = Profile::whereNull('remote_url')
->whereUsername($username)
->whereIsPrivate(false)
->firstOrFail();
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if($profile->status != null) {
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abort(404);
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}
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$obj = [
'@context' => 'https://www.w3.org/ns/activitystreams',
'id' => $request->getUri(),
'type' => 'OrderedCollectionPage',
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'totalItems' => 0,
'orderedItems' => []
];
return response()->json($obj);
}
public function userFollowers(Request $request, $username)
{
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abort_if(!config('federation.activitypub.enabled'), 404);
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$profile = Profile::whereNull('remote_url')
->whereUsername($username)
->whereIsPrivate(false)
->firstOrFail();
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if($profile->status != null) {
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abort(404);
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}
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$obj = [
'@context' => 'https://www.w3.org/ns/activitystreams',
'id' => $request->getUri(),
'type' => 'OrderedCollectionPage',
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'totalItems' => 0,
'orderedItems' => []
];
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return response()->json($obj);
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}
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}