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pixelfed/app/Jobs/RemoteFollowPipeline/RemoteFollowImportRecent.php

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<?php
namespace App\Jobs\RemoteFollowPipeline;
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use App\Jobs\ImageOptimizePipeline\ImageThumbnail;
use App\Jobs\StatusPipeline\NewStatusPipeline;
use App\Media;
use App\Status;
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use Carbon\Carbon;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
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use Illuminate\Http\File;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Log;
use Storage;
use Zttp\Zttp;
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use App\Util\ActivityPub\Helpers;
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class RemoteFollowImportRecent implements ShouldQueue
{
use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
protected $actor;
protected $profile;
protected $outbox;
protected $mediaCount;
protected $cursor;
protected $nextUrl;
protected $supported;
/**
* Create a new job instance.
*
* @return void
*/
public function __construct($actorObject, $profile)
{
$this->actor = $actorObject;
$this->profile = $profile;
$this->cursor = 1;
$this->mediaCount = 0;
$this->supported = [
'image/jpg',
'image/jpeg',
'image/png',
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'image/gif',
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];
}
/**
* Execute the job.
*
* @return void
*/
public function handle()
{
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// $outbox = $this->fetchOutbox();
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}
public function fetchOutbox($url = false)
{
$url = ($url == false) ? $this->actor['outbox'] : $url;
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if(Helpers::validateUrl($url) == false) {
return;
}
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$response = Zttp::withHeaders([
'User-Agent' => 'PixelfedBot v0.1 - https://pixelfed.org',
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])->get($url);
$this->outbox = $response->json();
$this->parseOutbox($this->outbox);
}
public function parseOutbox($outbox)
{
$types = ['OrderedCollection', 'OrderedCollectionPage'];
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if (isset($outbox['totalItems']) && $outbox['totalItems'] < 1) {
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// Skip remote fetch, not enough posts
Log::info('not enough items');
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return;
}
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if (isset($outbox['type']) && in_array($outbox['type'], $types)) {
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Log::info('handle ordered collection');
$this->handleOrderedCollection();
}
}
public function handleOrderedCollection()
{
$outbox = $this->outbox;
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if (!isset($outbox['next']) && !isset($outbox['first']['next']) && $this->cursor !== 1) {
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$this->cursor = 40;
$outbox['next'] = false;
}
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if ($outbox['type'] == 'OrderedCollectionPage') {
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$this->nextUrl = $outbox['next'];
}
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if (isset($outbox['first']) && !is_array($outbox['first'])) {
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// Mastodon detected
Log::info('Mastodon detected...');
$this->nextUrl = $outbox['first'];
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return $this->fetchOutbox($this->nextUrl);
} else {
// Pleroma detected.
$this->nextUrl = isset($outbox['next']) ? $outbox['next'] : (isset($outbox['first']['next']) ? $outbox['first']['next'] : $outbox['next']);
Log::info('Checking ordered items...');
$orderedItems = isset($outbox['orderedItems']) ? $outbox['orderedItems'] : $outbox['first']['orderedItems'];
}
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foreach ($orderedItems as $item) {
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Log::info('Parsing items...');
$parsed = $this->parseObject($item);
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if ($parsed !== 0) {
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Log::info('Found media!');
$this->importActivity($item);
}
}
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if ($this->cursor < 40 && $this->mediaCount < 9) {
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$this->cursor++;
$this->mediaCount++;
$this->fetchOutbox($this->nextUrl);
}
}
public function parseObject($parsed)
{
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if ($parsed['type'] !== 'Create') {
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return 0;
}
$activity = $parsed['object'];
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if (isset($activity['attachment']) && !empty($activity['attachment'])) {
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return $this->detectSupportedMedia($activity['attachment']);
}
}
public function detectSupportedMedia($attachments)
{
$supported = $this->supported;
$count = 0;
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foreach ($attachments as $media) {
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$mime = $media['mediaType'];
$count = in_array($mime, $supported) ? ($count + 1) : $count;
}
return $count;
}
public function importActivity($activity)
{
$profile = $this->profile;
$supported = $this->supported;
$attachments = $activity['object']['attachment'];
$caption = str_limit($activity['object']['content'], 125);
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if (Status::whereUrl($activity['id'])->count() !== 0) {
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return true;
}
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$status = new Status();
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$status->profile_id = $profile->id;
$status->url = $activity['id'];
$status->local = false;
$status->caption = strip_tags($caption);
$status->created_at = Carbon::parse($activity['published']);
$count = 0;
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foreach ($attachments as $media) {
Log::info($media['mediaType'].' - '.$media['url']);
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$url = $media['url'];
$mime = $media['mediaType'];
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if (!in_array($mime, $supported)) {
Log::info('Invalid media, skipping. '.$mime);
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continue;
}
if (Helpers::validateUrl($url) == false) {
Log::info('Skipping invalid attachment URL: ' . $url);
continue;
}
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$count++;
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if ($count === 1) {
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$status->save();
}
$this->importMedia($url, $mime, $status);
}
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Log::info(count($attachments).' media found...');
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if ($count !== 0) {
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NewStatusPipeline::dispatch($status, $status->media->first());
}
}
public function importMedia($url, $mime, $status)
{
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$user = $this->profile;
$monthHash = hash('sha1', date('Y').date('m'));
$userHash = hash('sha1', $user->id.(string) $user->created_at);
$storagePath = "public/m/{$monthHash}/{$userHash}";
try {
$info = pathinfo($url);
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$url = str_replace(' ', '%20', $url);
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$img = file_get_contents($url);
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$file = '/tmp/'.str_random(64);
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file_put_contents($file, $img);
$path = Storage::putFile($storagePath, new File($file), 'public');
$media = new Media();
$media->status_id = $status->id;
$media->profile_id = $status->profile_id;
$media->user_id = null;
$media->media_path = $path;
$media->size = 0;
$media->mime = $mime;
$media->save();
ImageThumbnail::dispatch($media);
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@unlink($file);
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return true;
} catch (Exception $e) {
return false;
}
}
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}