forked from mirror/pixelfed
Add RemoteFollowPipeline
Still a WIP
This commit is contained in:
Daniel Supernault
parent
fddc698a74
commit
e2afe175f4
2 changed files with 331 additions and 0 deletions
226
app/Jobs/RemoteFollowPipeline/RemoteFollowImportRecent.php
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226
app/Jobs/RemoteFollowPipeline/RemoteFollowImportRecent.php
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<?php
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namespace App\Jobs\RemoteFollowPipeline;
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use Zttp\Zttp;
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use Log, Storage;
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use Carbon\Carbon;
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use Illuminate\Http\File;
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use App\{Media, Profile, Status};
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use Illuminate\Bus\Queueable;
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use Illuminate\Queue\SerializesModels;
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use Illuminate\Queue\InteractsWithQueue;
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use Illuminate\Contracts\Queue\ShouldQueue;
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use Illuminate\Foundation\Bus\Dispatchable;
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use App\Jobs\StatusPipeline\NewStatusPipeline;
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class RemoteFollowImportRecent implements ShouldQueue
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{
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use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
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protected $actor;
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protected $profile;
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protected $outbox;
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protected $mediaCount;
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protected $cursor;
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protected $nextUrl;
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protected $supported;
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/**
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* Create a new job instance.
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*
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* @return void
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*/
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public function __construct($actorObject, $profile)
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{
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$this->actor = $actorObject;
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$this->profile = $profile;
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$this->cursor = 1;
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$this->mediaCount = 0;
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$this->supported = [
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'image/jpg',
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'image/jpeg',
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'image/png',
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'image/gif'
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];
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}
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/**
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* Execute the job.
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*
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* @return void
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*/
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public function handle()
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{
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$outbox = $this->fetchOutbox();
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}
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public function fetchOutbox($url = false)
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{
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Log::info(json_encode($url));
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$url = ($url == false) ? $this->actor['outbox'] : $url;
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$response = Zttp::withHeaders([
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'User-Agent' => 'PixelFedBot v0.1 - https://pixelfed.org'
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])->get($url);
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$this->outbox = $response->json();
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$this->parseOutbox($this->outbox);
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}
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public function parseOutbox($outbox)
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{
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$types = ['OrderedCollection', 'OrderedCollectionPage'];
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if(isset($outbox['totalItems']) && $outbox['totalItems'] < 1) {
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// Skip remote fetch, not enough posts
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Log::info('not enough items');
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return;
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}
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if(isset($outbox['type']) && in_array($outbox['type'], $types)) {
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Log::info('handle ordered collection');
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$this->handleOrderedCollection();
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}
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}
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public function handleOrderedCollection()
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{
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$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;
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$outbox['next'] = false;
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}
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if($outbox['type'] == 'OrderedCollectionPage') {
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$this->nextUrl = $outbox['next'];
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}
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if(isset($outbox['first']) && !is_array($outbox['first'])) {
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// Mastodon detected
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Log::info('Mastodon detected...');
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$this->nextUrl = $outbox['first'];
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return $this->fetchOutbox($this->nextUrl);
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} else {
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// Pleroma detected.
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$this->nextUrl = isset($outbox['next']) ? $outbox['next'] : (isset($outbox['first']['next']) ? $outbox['first']['next'] : $outbox['next']);
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Log::info('Checking ordered items...');
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$orderedItems = isset($outbox['orderedItems']) ? $outbox['orderedItems'] : $outbox['first']['orderedItems'];
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}
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foreach($orderedItems as $item) {
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Log::info('Parsing items...');
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$parsed = $this->parseObject($item);
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if($parsed !== 0) {
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Log::info('Found media!');
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$this->importActivity($item);
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}
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}
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if($this->cursor < 40 && $this->mediaCount < 9) {
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$this->cursor++;
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$this->mediaCount++;
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$this->fetchOutbox($this->nextUrl);
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}
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}
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public function parseObject($parsed)
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{
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if($parsed['type'] !== 'Create') {
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return 0;
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}
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$activity = $parsed['object'];
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if(isset($activity['attachment']) && !empty($activity['attachment'])) {
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return $this->detectSupportedMedia($activity['attachment']);
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}
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}
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public function detectSupportedMedia($attachments)
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{
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$supported = $this->supported;
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$count = 0;
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foreach($attachments as $media) {
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$mime = $media['mediaType'];
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$count = in_array($mime, $supported) ? ($count + 1) : $count;
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}
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return $count;
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}
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public function importActivity($activity)
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{
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$profile = $this->profile;
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$supported = $this->supported;
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$attachments = $activity['object']['attachment'];
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$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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}
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$status = new Status;
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$status->profile_id = $profile->id;
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$status->url = $activity['id'];
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$status->local = false;
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$status->caption = strip_tags($caption);
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$status->created_at = Carbon::parse($activity['published']);
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$count = 0;
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foreach($attachments as $media) {
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Log::info($media['mediaType'] . ' - ' . $media['url']);
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$url = $media['url'];
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$mime = $media['mediaType'];
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if(!in_array($mime, $supported)) {
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Log::info('Invalid media, skipping. ' . $mime);
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continue;
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}
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$count++;
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if($count === 1) {
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$status->save();
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}
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$this->importMedia($url, $mime, $status);
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}
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Log::info(count($attachments) . ' media found...');
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if($count !== 0) {
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NewStatusPipeline::dispatch($status, $status->media->first());
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}
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}
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public function importMedia($url, $mime, $status)
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{
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$user = $this->profile;
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$monthHash = hash('sha1', date('Y') . date('m'));
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$userHash = hash('sha1', $user->id . (string) $user->created_at);
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$storagePath = "public/m/{$monthHash}/{$userHash}";
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try {
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$info = pathinfo($url);
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$img = file_get_contents($url);
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$file = '/tmp/' . str_random(12) . $info['basename'];
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file_put_contents($file, $img);
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$path = Storage::putFile($storagePath, new File($file), 'public');
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$media = new Media;
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$media->status_id = $status->id;
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$media->profile_id = $status->profile_id;
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$media->user_id = null;
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$media->media_path = $path;
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$media->size = 0;
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$media->mime = $mime;
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$media->save();
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return true;
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} catch (Exception $e) {
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return false;
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}
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}
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}
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105
app/Jobs/RemoteFollowPipeline/RemoteFollowPipeline.php
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105
app/Jobs/RemoteFollowPipeline/RemoteFollowPipeline.php
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@ -0,0 +1,105 @@
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<?php
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namespace App\Jobs\RemoteFollowPipeline;
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use Zttp\Zttp;
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use App\{Profile};
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use GuzzleHttp\Client;
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use HttpSignatures\Context;
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use HttpSignatures\GuzzleHttpSignatures;
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use App\Jobs\RemoteFollowPipeline\RemoteFollowImportRecent;
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use App\Jobs\AvatarPipeline\CreateAvatar;
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use Illuminate\Bus\Queueable;
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use Illuminate\Queue\SerializesModels;
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use Illuminate\Queue\InteractsWithQueue;
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use Illuminate\Contracts\Queue\ShouldQueue;
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use Illuminate\Foundation\Bus\Dispatchable;
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class RemoteFollowPipeline implements ShouldQueue
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{
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use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
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protected $url;
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protected $follower;
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protected $response;
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/**
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* Create a new job instance.
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*
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* @return void
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*/
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public function __construct($follower, $url)
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{
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$this->follower = $follower;
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$this->url = $url;
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}
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/**
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* Execute the job.
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*
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* @return void
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*/
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public function handle()
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{
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$follower = $this->follower;
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$url = $this->url;
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if(Profile::whereRemoteUrl($url)->count() !== 0) {
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return true;
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}
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$this->discover($url);
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return true;
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}
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public function discover($url)
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{
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$context = new Context([
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'keys' => ['examplekey' => 'secret-key-here'],
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'algorithm' => 'hmac-sha256',
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'headers' => ['(request-target)', 'date'],
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]);
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$handlerStack = GuzzleHttpSignatures::defaultHandlerFromContext($context);
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$client = new Client(['handler' => $handlerStack]);
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$response = Zttp::withHeaders([
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'Accept' => 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
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'User-Agent' => 'PixelFedBot v0.1 - https://pixelfed.org'
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])->get($url);
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$this->response = $response->json();
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$this->storeProfile();
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}
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public function storeProfile()
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{
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$res = $this->response;
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$domain = parse_url($res['url'], PHP_URL_HOST);
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$username = $res['preferredUsername'];
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$remoteUsername = "@{$username}@{$domain}";
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$profile = new Profile;
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$profile->user_id = null;
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$profile->domain = $domain;
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$profile->username = $remoteUsername;
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$profile->name = $res['name'];
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$profile->bio = str_limit($res['summary'], 125);
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$profile->sharedInbox = $res['endpoints']['sharedInbox'];
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$profile->remote_url = $res['url'];
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$profile->save();
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RemoteFollowImportRecent::dispatch($this->response, $profile);
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CreateAvatar::dispatch($profile);
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}
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public function sendActivity()
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{
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$res = $this->response;
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$url = $res['inbox'];
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$activity = Zttp::withHeaders(['Content-Type' => 'application/activity+json'])->post($url, [
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'type' => 'Follow',
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'object' => $this->follower->url()
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]);
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}
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}
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