pixelfed/app/Jobs/SharePipeline/SharePipeline.php

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<?php
namespace App\Jobs\SharePipeline;
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use Cache, Log;
use Illuminate\Support\Facades\Redis;
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use App\{Status, Notification};
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use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
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use League\Fractal;
use League\Fractal\Serializer\ArraySerializer;
use App\Transformer\ActivityPub\Verb\Announce;
use GuzzleHttp\{Pool, Client, Promise};
use App\Util\ActivityPub\HttpSignature;
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use App\Services\StatusService;
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class SharePipeline implements ShouldQueue
{
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use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
protected $status;
/**
* Delete the job if its models no longer exist.
*
* @var bool
*/
public $deleteWhenMissingModels = true;
/**
* Create a new job instance.
*
* @return void
*/
public function __construct(Status $status)
{
$this->status = $status;
}
/**
* Execute the job.
*
* @return void
*/
public function handle()
{
$status = $this->status;
$parent = $this->status->parent();
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$actor = $status->profile;
$target = $parent->profile;
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if ($status->uri !== null) {
// Ignore notifications to remote statuses
return;
}
$exists = Notification::whereProfileId($target->id)
->whereActorId($status->profile_id)
->whereAction('share')
->whereItemId($status->reblog_of_id)
->whereItemType('App\Status')
->exists();
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if($target->id === $status->profile_id) {
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$this->remoteAnnounceDeliver();
return true;
}
if($exists === true) {
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return true;
}
$this->remoteAnnounceDeliver();
$parent->reblogs_count = $parent->shares()->count();
$parent->save();
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StatusService::del($parent->id);
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try {
$notification = new Notification;
$notification->profile_id = $target->id;
$notification->actor_id = $actor->id;
$notification->action = 'share';
$notification->message = $status->shareToText();
$notification->rendered = $status->shareToHtml();
$notification->item_id = $status->reblog_of_id ?? $status->id;
$notification->item_type = "App\Status";
$notification->save();
$redis = Redis::connection();
$key = config('cache.prefix').':user.'.$status->profile_id.'.notifications';
$redis->lpush($key, $notification->id);
} catch (Exception $e) {
Log::error($e);
}
}
public function remoteAnnounceDeliver()
{
if(config_cache('federation.activitypub.enabled') == false) {
return true;
}
$status = $this->status;
$profile = $status->profile;
$fractal = new Fractal\Manager();
$fractal->setSerializer(new ArraySerializer());
$resource = new Fractal\Resource\Item($status, new Announce());
$activity = $fractal->createData($resource)->toArray();
$audience = $status->profile->getAudienceInbox();
if(empty($audience) || $status->scope != 'public') {
// Return on profiles with no remote followers
return;
}
$payload = json_encode($activity);
$client = new Client([
'timeout' => config('federation.activitypub.delivery.timeout')
]);
$requests = function($audience) use ($client, $activity, $profile, $payload) {
foreach($audience as $url) {
$headers = HttpSignature::sign($profile, $url, $activity);
yield function() use ($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();
}
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}