chris
/
pixelfed
forked from mirror/pixelfed
1
0
Fork 0
Code Pull Requests Activity
pixelfed/app/Http/Controllers/FederationController.php

333 lines
12 KiB
PHP
Raw Blame History

<?php
namespace App\Http\Controllers;
use App\Jobs\InboxPipeline\{
InboxWorker,
InboxValidator
};
use App\Jobs\RemoteFollowPipeline\RemoteFollowPipeline;
use App\{
AccountLog,
Like,
Profile,
Status
};
use App\Transformer\ActivityPub\ProfileOutbox;
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\ActivityPub\{
Helpers,
HttpSignature
};
use \Zttp\Zttp;
class FederationController extends Controller
{
public function authCheck()
{
abort_if(!Auth::check(), 403);
}
// deprecated, remove in 0.10
public function authorizeFollow(Request $request)
{
abort(404);
}
// deprecated, remove in 0.10
public function remoteFollow()
{
abort(404);
}
// deprecated, remove in 0.10
public function remoteFollowStore(Request $request)
{
abort(404);
}
public function nodeinfoWellKnown()
{
abort_if(!config('federation.nodeinfo.enabled'), 404);
$res = [
'links' => [
[
'href' => config('pixelfed.nodeinfo.url'),
'rel' => 'http://nodeinfo.diaspora.software/ns/schema/2.0',
],
],
];
return response()->json($res);
}
public function nodeinfo()
{
abort_if(!config('federation.nodeinfo.enabled'), 404);
$res = Cache::remember('api:nodeinfo', now()->addMinutes(15), function () {
$activeHalfYear = Cache::remember('api:nodeinfo:ahy', now()->addHours(6), function() {
$count = collect([]);
$likes = Like::select('profile_id')->where('created_at', '>', now()->subMonths(6)->toDateTimeString())->groupBy('profile_id')->pluck('profile_id')->toArray();
$count = $count->merge($likes);
$statuses = Status::select('profile_id')->whereLocal(true)->where('created_at', '>', now()->subMonths(6)->toDateTimeString())->groupBy('profile_id')->pluck('profile_id')->toArray();
$count = $count->merge($statuses);
$profiles = Profile::select('id')->whereNull('domain')->where('created_at', '>', now()->subMonths(6)->toDateTimeString())->groupBy('id')->pluck('id')->toArray();
$count = $count->merge($profiles);
return $count->unique()->count();
});
$activeMonth = Cache::remember('api:nodeinfo:am', now()->addHours(6), function() {
$count = collect([]);
$likes = Like::select('profile_id')->where('created_at', '>', now()->subMonths(1)->toDateTimeString())->groupBy('profile_id')->pluck('profile_id')->toArray();
$count = $count->merge($likes);
$statuses = Status::select('profile_id')->whereLocal(true)->where('created_at', '>', now()->subMonths(1)->toDateTimeString())->groupBy('profile_id')->pluck('profile_id')->toArray();
$count = $count->merge($statuses);
$profiles = Profile::select('id')->whereNull('domain')->where('created_at', '>', now()->subMonths(1)->toDateTimeString())->groupBy('id')->pluck('id')->toArray();
$count = $count->merge($profiles);
return $count->unique()->count();
});
return [
'metadata' => [
'nodeName' => config('app.name'),
'software' => [
'homepage' => 'https://pixelfed.org',
'repo' => 'https://github.com/pixelfed/pixelfed',
],
],
'protocols' => [
'activitypub',
],
'services' => [
'inbound' => [],
'outbound' => [],
],
'software' => [
'name' => 'pixelfed',
'version' => config('pixelfed.version'),
],
'usage' => [
'localPosts' => \App\Status::whereLocal(true)->whereHas('media')->count(),
'localComments' => \App\Status::whereLocal(true)->whereNotNull('in_reply_to_id')->count(),
'users' => [
'total' => \App\Profile::whereNull('status')->whereNull('domain')->count(),
'activeHalfyear' => $activeHalfYear,
'activeMonth' => $activeMonth,
],
],
'version' => '2.0',
];
});
$res['openRegistrations'] = config('pixelfed.open_registration');
return response()->json($res, 200, [
'Access-Control-Allow-Origin' => '*'
]);
}
public function webfinger(Request $request)
{
abort_if(!config('federation.webfinger.enabled'), 404);
$this->validate($request, ['resource'=>'required|string|min:3|max:255']);
$resource = $request->input('resource');
$parsed = Nickname::normalizeProfileUrl($resource);
if($parsed['domain'] !== config('pixelfed.domain.app')) {
abort(404);
}
$username = $parsed['username'];
$profile = Profile::whereNull('domain')->whereUsername($username)->firstOrFail();
if($profile->status != null) {
return ProfileController::accountCheck($profile);
}
$webfinger = (new Webfinger($profile))->generate();
return response()->json($webfinger, 200, [], JSON_PRETTY_PRINT);
}
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('federation.activitypub.enabled'), 404);
abort_if(!config('federation.activitypub.outbox'), 404);
$profile = Profile::whereNull('remote_url')->whereUsername($username)->firstOrFail();
if($profile->status != null) {
return ProfileController::accountCheck($profile);
}
if($profile->is_private) {
return response()->json(['error'=>'403', 'msg' => 'private profile'], 403);
}
$timeline = $profile->statuses()->whereVisibility('public')->orderBy('created_at', 'desc')->paginate(10);
$fractal = new Fractal\Manager();
$resource = new Fractal\Resource\Item($profile, new ProfileOutbox());
$res = $fractal->createData($resource)->toArray();
return response(json_encode($res['data']))->header('Content-Type', 'application/activity+json');
}
public function userInbox(Request $request, $username)
{
abort_if(!config('federation.activitypub.enabled'), 404);
abort_if(!config('federation.activitypub.inbox'), 404);
// $headers = $request->headers->all();
// $payload = $request->getContent();
// InboxValidator::dispatch($username, $headers, $payload);
$profile = Profile::whereNull('domain')->whereUsername($username)->firstOrFail();
if($profile->status != null) {
return ProfileController::accountCheck($profile);
}
$body = $request->getContent();
$bodyDecoded = json_decode($body, true, 8);
if($this->verifySignature($request, $profile) == true) {
InboxWorker::dispatch($request->headers->all(), $profile, $bodyDecoded);
} else if($this->blindKeyRotation($request, $profile) == true) {
InboxWorker::dispatch($request->headers->all(), $profile, $bodyDecoded);
} else {
abort(400, 'Bad Signature');
}
return;
}
protected function verifySignature(Request $request, Profile $profile)
{
$body = $request->getContent();
$bodyDecoded = json_decode($body, true, 8);
$signature = $request->header('signature');
$date = $request->header('date');
if(!$signature) {
abort(400, 'Missing signature header');
}
if(!$date) {
abort(400, 'Missing date header');
}
if(!now()->parse($date)->gt(now()->subDays(1)) || !now()->parse($date)->lt(now()->addDays(1))) {
abort(400, 'Invalid date');
}
$signatureData = HttpSignature::parseSignatureHeader($signature);
$keyId = Helpers::validateUrl($signatureData['keyId']);
$id = Helpers::validateUrl($bodyDecoded['id']);
$keyDomain = parse_url($keyId, PHP_URL_HOST);
$idDomain = parse_url($id, PHP_URL_HOST);
if(isset($bodyDecoded['object'])
&& is_array($bodyDecoded['object'])
&& isset($bodyDecoded['object']['attributedTo'])
) {
if(parse_url($bodyDecoded['object']['attributedTo'], PHP_URL_HOST) !== $keyDomain) {
abort(400, 'Invalid request');
}
}
if(!$keyDomain || !$idDomain || $keyDomain !== $idDomain) {
abort(400, 'Invalid request');
}
$actor = Profile::whereKeyId($keyId)->first();
if(!$actor) {
$actor = Helpers::profileFirstOrNew($bodyDecoded['actor']);
}
if(!$actor) {
return false;
}
$pkey = openssl_pkey_get_public($actor->public_key);
$inboxPath = "/users/{$profile->username}/inbox";
list($verified, $headers) = HTTPSignature::verify($pkey, $signatureData, $request->headers->all(), $inboxPath, $body);
if($verified == 1) {
return true;
} else {
return false;
}
}
protected function blindKeyRotation(Request $request, Profile $profile)
{
$signature = $request->header('signature');
$date = $request->header('date');
if(!$signature) {
abort(400, 'Missing signature header');
}
if(!$date) {
abort(400, 'Missing date header');
}
if(!now()->parse($date)->gt(now()->subDays(1)) || !now()->parse($date)->lt(now()->addDays(1))) {
abort(400, 'Invalid date');
}
$signatureData = HttpSignature::parseSignatureHeader($signature);
$keyId = Helpers::validateUrl($signatureData['keyId']);
$actor = Profile::whereKeyId($keyId)->whereNotNull('remote_url')->firstOrFail();
$res = Zttp::timeout(5)->withHeaders([
'Accept' => 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
'User-Agent' => 'PixelfedBot v0.1 - https://pixelfed.org',
])->get($actor->remote_url);
$res = json_decode($res->body(), true, 8);
if($res['publicKey']['id'] !== $actor->key_id) {
return false;
}
$actor->public_key = $res['publicKey']['publicKeyPem'];
$actor->save();
return $this->verifySignature($request, $profile);
}
public function userFollowing(Request $request, $username)
{
abort_if(!config('federation.activitypub.enabled'), 404);
$profile = Profile::whereNull('remote_url')
->whereUsername($username)
->whereIsPrivate(false)
->firstOrFail();
if($profile->status != null) {
abort(404);
}
$obj = [
'@context' => 'https://www.w3.org/ns/activitystreams',
'id' => $request->getUri(),
'type' => 'OrderedCollectionPage',
'totalItems' => 0,
'orderedItems' => []
];
return response()->json($obj);
}
public function userFollowers(Request $request, $username)
{
abort_if(!config('federation.activitypub.enabled'), 404);
$profile = Profile::whereNull('remote_url')
->whereUsername($username)
->whereIsPrivate(false)
->firstOrFail();
if($profile->status != null) {
abort(404);
}
$obj = [
'@context' => 'https://www.w3.org/ns/activitystreams',
'id' => $request->getUri(),
'type' => 'OrderedCollectionPage',
'totalItems' => 0,
'orderedItems' => []
];
return response()->json($obj);
}
}
View Git Blame Copy Permalink