mirror of
https://github.com/pixelfed/pixelfed.git
synced 2024-11-23 15:01:27 +00:00
300 lines
11 KiB
PHP
300 lines
11 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use App\Jobs\InboxPipeline\DeleteWorker;
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use App\Jobs\InboxPipeline\InboxValidator;
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use App\Jobs\InboxPipeline\InboxWorker;
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use App\Profile;
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use App\Services\AccountService;
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use App\Services\InstanceService;
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use App\Status;
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use App\Util\Lexer\Nickname;
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use App\Util\Site\Nodeinfo;
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use App\Util\Webfinger\Webfinger;
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use Cache;
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use Illuminate\Http\Request;
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class FederationController extends Controller
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{
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public function nodeinfoWellKnown()
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{
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abort_if(! config('federation.nodeinfo.enabled'), 404);
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return response()->json(Nodeinfo::wellKnown(), 200, [], JSON_UNESCAPED_SLASHES)
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->header('Access-Control-Allow-Origin', '*');
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}
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public function nodeinfo()
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{
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abort_if(! config('federation.nodeinfo.enabled'), 404);
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return response()->json(Nodeinfo::get(), 200, [], JSON_UNESCAPED_SLASHES)
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->header('Access-Control-Allow-Origin', '*');
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}
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public function webfinger(Request $request)
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{
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if (! config('federation.webfinger.enabled') ||
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! $request->has('resource') ||
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! $request->filled('resource')
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) {
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return response('', 400);
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}
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$resource = $request->input('resource');
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$domain = config('pixelfed.domain.app');
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// Instance Actor
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if (
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config('federation.activitypub.sharedInbox') &&
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$resource == 'acct:'.$domain.'@'.$domain
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) {
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$res = [
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'subject' => 'acct:'.$domain.'@'.$domain,
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'aliases' => [
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'https://'.$domain.'/i/actor',
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],
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'links' => [
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[
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'rel' => 'http://webfinger.net/rel/profile-page',
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'type' => 'text/html',
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'href' => 'https://'.$domain.'/site/kb/instance-actor',
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],
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[
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'rel' => 'self',
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'type' => 'application/activity+json',
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'href' => 'https://'.$domain.'/i/actor',
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],
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],
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];
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return response()->json($res, 200, [], JSON_UNESCAPED_SLASHES);
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}
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if(str_starts_with($resource, 'https://')) {
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if(str_starts_with($resource, 'https://' . $domain . '/users/')) {
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$username = str_replace('https://' . $domain . '/users/', '', $resource);
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if(strlen($username) > 15) {
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return response('', 400);
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}
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$stripped = str_replace(['_', '.', '-'], '', $username);
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if(!ctype_alnum($stripped)) {
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return response('', 400);
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}
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$key = 'federation:webfinger:sha256:url-username:'.$username;
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if ($cached = Cache::get($key)) {
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return response()->json($cached, 200, [], JSON_UNESCAPED_SLASHES);
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}
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$profile = Profile::whereUsername($username)->first();
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if (! $profile || $profile->status !== null || $profile->domain) {
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return response('', 400);
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}
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$webfinger = (new Webfinger($profile))->generate();
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Cache::put($key, $webfinger, 1209600);
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return response()->json($webfinger, 200, [], JSON_UNESCAPED_SLASHES)
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->header('Access-Control-Allow-Origin', '*');
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} else {
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return response('', 400);
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}
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}
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$hash = hash('sha256', $resource);
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$key = 'federation:webfinger:sha256:'.$hash;
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if ($cached = Cache::get($key)) {
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return response()->json($cached, 200, [], JSON_UNESCAPED_SLASHES);
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}
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if (strpos($resource, $domain) == false) {
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return response('', 400);
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}
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$parsed = Nickname::normalizeProfileUrl($resource);
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if (empty($parsed) || $parsed['domain'] !== $domain) {
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return response('', 400);
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}
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$username = $parsed['username'];
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$profile = Profile::whereUsername($username)->first();
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if (! $profile || $profile->status !== null || $profile->domain) {
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return response('', 400);
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}
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$webfinger = (new Webfinger($profile))->generate();
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Cache::put($key, $webfinger, 1209600);
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return response()->json($webfinger, 200, [], JSON_UNESCAPED_SLASHES)
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->header('Access-Control-Allow-Origin', '*');
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}
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public function hostMeta(Request $request)
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{
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abort_if(! config('federation.webfinger.enabled'), 404);
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$path = route('well-known.webfinger');
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$xml = '<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" type="application/xrd+xml" template="'.$path.'?resource={uri}"/></XRD>';
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return response($xml)->header('Content-Type', 'application/xrd+xml');
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}
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public function userOutbox(Request $request, $username)
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{
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abort_if(! (bool) config_cache('federation.activitypub.enabled'), 404);
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if (! $request->wantsJson()) {
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return redirect('/'.$username);
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}
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$id = AccountService::usernameToId($username);
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abort_if(! $id, 404);
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$account = AccountService::get($id);
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abort_if(! $account || ! isset($account['statuses_count']), 404);
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$res = [
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => 'https://'.config('pixelfed.domain.app').'/users/'.$username.'/outbox',
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'type' => 'OrderedCollection',
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'totalItems' => $account['statuses_count'] ?? 0,
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];
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return response(json_encode($res, JSON_UNESCAPED_SLASHES))->header('Content-Type', 'application/activity+json');
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}
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public function userInbox(Request $request, $username)
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{
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abort_if(! (bool) config_cache('federation.activitypub.enabled'), 404);
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abort_if(! config('federation.activitypub.inbox'), 404);
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$headers = $request->headers->all();
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$payload = $request->getContent();
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if (! $payload || empty($payload)) {
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return;
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}
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$obj = json_decode($payload, true, 8);
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if (! isset($obj['id'])) {
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return;
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}
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$domain = parse_url($obj['id'], PHP_URL_HOST);
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if (in_array($domain, InstanceService::getBannedDomains())) {
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return;
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}
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if (isset($obj['type']) && $obj['type'] === 'Delete') {
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if (isset($obj['object']) && isset($obj['object']['type']) && isset($obj['object']['id'])) {
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if ($obj['object']['type'] === 'Person') {
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if (Profile::whereRemoteUrl($obj['object']['id'])->exists()) {
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dispatch(new DeleteWorker($headers, $payload))->onQueue('inbox');
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return;
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}
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}
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if ($obj['object']['type'] === 'Tombstone') {
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if (Status::whereObjectUrl($obj['object']['id'])->exists()) {
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dispatch(new DeleteWorker($headers, $payload))->onQueue('delete');
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return;
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}
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}
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if ($obj['object']['type'] === 'Story') {
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dispatch(new DeleteWorker($headers, $payload))->onQueue('story');
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return;
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}
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}
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return;
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} elseif (isset($obj['type']) && in_array($obj['type'], ['Follow', 'Accept'])) {
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dispatch(new InboxValidator($username, $headers, $payload))->onQueue('follow');
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} else {
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dispatch(new InboxValidator($username, $headers, $payload))->onQueue('high');
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}
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}
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public function sharedInbox(Request $request)
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{
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abort_if(! (bool) config_cache('federation.activitypub.enabled'), 404);
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abort_if(! config('federation.activitypub.sharedInbox'), 404);
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$headers = $request->headers->all();
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$payload = $request->getContent();
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if (! $payload || empty($payload)) {
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return;
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}
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$obj = json_decode($payload, true, 8);
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if (! isset($obj['id'])) {
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return;
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}
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$domain = parse_url($obj['id'], PHP_URL_HOST);
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if (in_array($domain, InstanceService::getBannedDomains())) {
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return;
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}
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if (isset($obj['type']) && $obj['type'] === 'Delete') {
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if (isset($obj['object']) && isset($obj['object']['type']) && isset($obj['object']['id'])) {
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if ($obj['object']['type'] === 'Person') {
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if (Profile::whereRemoteUrl($obj['object']['id'])->exists()) {
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dispatch(new DeleteWorker($headers, $payload))->onQueue('inbox');
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return;
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}
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}
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if ($obj['object']['type'] === 'Tombstone') {
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if (Status::whereObjectUrl($obj['object']['id'])->exists()) {
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dispatch(new DeleteWorker($headers, $payload))->onQueue('delete');
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return;
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}
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}
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if ($obj['object']['type'] === 'Story') {
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dispatch(new DeleteWorker($headers, $payload))->onQueue('story');
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return;
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}
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}
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return;
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} elseif (isset($obj['type']) && in_array($obj['type'], ['Follow', 'Accept'])) {
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dispatch(new InboxWorker($headers, $payload))->onQueue('follow');
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} else {
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dispatch(new InboxWorker($headers, $payload))->onQueue('shared');
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}
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}
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public function userFollowing(Request $request, $username)
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{
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abort_if(! (bool) config_cache('federation.activitypub.enabled'), 404);
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$id = AccountService::usernameToId($username);
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abort_if(! $id, 404);
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$account = AccountService::get($id);
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abort_if(! $account || ! isset($account['following_count']), 404);
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$obj = [
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => $request->getUri(),
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'type' => 'OrderedCollection',
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'totalItems' => $account['following_count'] ?? 0,
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];
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return response()->json($obj)->header('Content-Type', 'application/activity+json');
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}
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public function userFollowers(Request $request, $username)
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{
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abort_if(! (bool) config_cache('federation.activitypub.enabled'), 404);
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$id = AccountService::usernameToId($username);
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abort_if(! $id, 404);
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$account = AccountService::get($id);
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abort_if(! $account || ! isset($account['followers_count']), 404);
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$obj = [
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => $request->getUri(),
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'type' => 'OrderedCollection',
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'totalItems' => $account['followers_count'] ?? 0,
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];
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return response()->json($obj)->header('Content-Type', 'application/activity+json');
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}
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}
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