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pixelfed/app/Jobs/SharePipeline/UndoSharePipeline.php

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<?php
namespace App\Jobs\SharePipeline;
use Cache, Log;
use Illuminate\Support\Facades\Redis;
use App\{Status, Notification};
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use League\Fractal;
use League\Fractal\Serializer\ArraySerializer;
use App\Transformer\ActivityPub\Verb\UndoAnnounce;
use GuzzleHttp\{Pool, Client, Promise};
use App\Util\ActivityPub\HttpSignature;
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use App\Services\ReblogService;
use App\Services\StatusService;
class UndoSharePipeline implements ShouldQueue
{
use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
protected $status;
public $deleteWhenMissingModels = true;
public function __construct(Status $status)
{
$this->status = $status;
}
public function handle()
{
$status = $this->status;
$actor = $status->profile;
$parent = Status::find($status->reblog_of_id);
if($parent) {
$target = $parent->profile_id;
ReblogService::removePostReblog($parent->profile_id, $status->id);
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if($parent->reblogs_count > 0) {
$parent->reblogs_count = $parent->reblogs_count - 1;
$parent->save();
StatusService::del($parent->id);
}
$notification = Notification::whereProfileId($target)
->whereActorId($status->profile_id)
->whereAction('share')
->whereItemId($status->reblog_of_id)
->whereItemType('App\Status')
->first();
if($notification) {
$notification->forceDelete();
}
}
if ($status->uri != null) {
return;
}
if(config_cache('federation.activitypub.enabled') == false) {
return $status->delete();
} else {
return $this->remoteAnnounceDeliver();
}
}
public function remoteAnnounceDeliver()
{
if(config_cache('federation.activitypub.enabled') == false) {
return 1;
}
$status = $this->status;
$profile = $status->profile;
$fractal = new Fractal\Manager();
$fractal->setSerializer(new ArraySerializer());
$resource = new Fractal\Resource\Item($status, new UndoAnnounce());
$activity = $fractal->createData($resource)->toArray();
$audience = $status->profile->getAudienceInbox();
if(empty($audience) || $status->scope != 'public') {
return 1;
}
$payload = json_encode($activity);
$client = new Client([
'timeout' => config('federation.activitypub.delivery.timeout')
]);
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$version = config('pixelfed.version');
$appUrl = config('app.url');
$userAgent = "(Pixelfed/{$version}; +{$appUrl})";
$requests = function($audience) use ($client, $activity, $profile, $payload, $userAgent) {
foreach($audience as $url) {
$headers = HttpSignature::sign($profile, $url, $activity, [
'Content-Type' => 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
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'User-Agent' => $userAgent,
]);
yield function() use ($client, $url, $headers, $payload) {
return $client->postAsync($url, [
'curl' => [
CURLOPT_HTTPHEADER => $headers,
CURLOPT_POSTFIELDS => $payload,
CURLOPT_HEADER => true
]
]);
};
}
};
$pool = new Pool($client, $requests($audience), [
'concurrency' => config('federation.activitypub.delivery.concurrency'),
'fulfilled' => function ($response, $index) {
},
'rejected' => function ($reason, $index) {
}
]);
$promise = $pool->promise();
$promise->wait();
$status->delete();
return 1;
}
}