pixelfed/app/Http/Controllers/FederationController.php

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<?php
namespace App\Http\Controllers;
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use App\Jobs\InboxPipeline\InboxWorker;
use App\Jobs\RemoteFollowPipeline\RemoteFollowPipeline;
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use App\Profile;
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use App\Transformer\ActivityPub\ProfileOutbox;
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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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class FederationController extends Controller
{
public function authCheck()
{
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if (!Auth::check()) {
return abort(403);
}
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}
public function authorizeFollow(Request $request)
{
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$this->authCheck();
$this->validate($request, [
'acct' => 'required|string|min:3|max:255',
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]);
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$acct = $request->input('acct');
$nickname = Nickname::normalizeProfileUrl($acct);
return view('federation.authorizefollow', compact('acct', 'nickname'));
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}
public function remoteFollow()
{
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$this->authCheck();
return view('federation.remotefollow');
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}
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public function remoteFollowStore(Request $request)
{
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$this->authCheck();
$this->validate($request, [
'url' => 'required|string',
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]);
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if (config('pixelfed.remote_follow_enabled') !== true) {
abort(403);
}
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$follower = Auth::user()->profile;
$url = $request->input('url');
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RemoteFollowPipeline::dispatch($follower, $url);
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return redirect()->back();
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}
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public function nodeinfoWellKnown()
{
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$res = [
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'links' => [
[
'href' => config('pixelfed.nodeinfo.url'),
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'rel' => 'http://nodeinfo.diaspora.software/ns/schema/2.0',
],
],
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];
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return response()->json($res);
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}
public function nodeinfo()
{
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$res = Cache::remember('api:nodeinfo', 60, function () {
return [
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'metadata' => [
'nodeName' => config('app.name'),
'software' => [
'homepage' => 'https://pixelfed.org',
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'github' => 'https://github.com/pixelfed',
'follow' => 'https://mastodon.social/@pixelfed',
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],
],
'openRegistrations' => config('pixelfed.open_registration'),
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'protocols' => [
'activitypub',
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],
'services' => [
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'inbound' => [],
'outbound' => [],
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],
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'software' => [
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'name' => 'pixelfed',
'version' => config('pixelfed.version'),
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],
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'usage' => [
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'localPosts' => \App\Status::whereLocal(true)->whereHas('media')->count(),
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'localComments' => \App\Status::whereLocal(true)->whereNotNull('in_reply_to_id')->count(),
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'users' => [
'total' => \App\User::count(),
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'activeHalfyear' => \App\User::where('updated_at', '>', Carbon::now()->subMonths(6)->toDateTimeString())->count(),
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'activeMonth' => \App\User::where('updated_at', '>', Carbon::now()->subMonths(1)->toDateTimeString())->count(),
],
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],
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'version' => '2.0',
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];
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});
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return response()->json($res, 200, [], JSON_PRETTY_PRINT);
}
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public function webfinger(Request $request)
{
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$this->validate($request, ['resource'=>'required|string|min:3|max:255']);
$hash = hash('sha256', $request->input('resource'));
$webfinger = Cache::remember('api:webfinger:'.$hash, 1440, function () use ($request) {
$resource = $request->input('resource');
$parsed = Nickname::normalizeProfileUrl($resource);
$username = $parsed['username'];
$user = Profile::whereUsername($username)->firstOrFail();
return (new Webfinger($user))->generate();
});
return response()->json($webfinger, 200, [], JSON_PRETTY_PRINT);
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}
public function userOutbox(Request $request, $username)
{
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if (config('pixelfed.activitypub_enabled') == false) {
abort(403);
}
$user = Profile::whereNull('remote_url')->whereUsername($username)->firstOrFail();
$timeline = $user->statuses()->orderBy('created_at', 'desc')->paginate(10);
$fractal = new Fractal\Manager();
$resource = new Fractal\Resource\Item($user, new ProfileOutbox());
$res = $fractal->createData($resource)->toArray();
return response(json_encode($res['data']))->header('Content-Type', 'application/activity+json');
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}
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public function userInbox(Request $request, $username)
{
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if (config('pixelfed.activitypub_enabled') == false) {
abort(403);
}
$mimes = [
'application/activity+json',
'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
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];
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if (!in_array($request->header('Content-Type'), $mimes)) {
abort(500, 'Invalid request');
}
$profile = Profile::whereUsername($username)->firstOrFail();
InboxWorker::dispatch($request, $profile, $request->all());
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}
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}