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pixelfed/app/Services/MediaStorageService.php

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<?php
namespace App\Services;
use App\Util\ActivityPub\Helpers;
use Illuminate\Http\File;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Redis;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use App\Media;
use App\Profile;
use App\User;
use GuzzleHttp\Client;
use App\Services\AccountService;
use App\Http\Controllers\AvatarController;
use GuzzleHttp\Exception\RequestException;
use App\Jobs\MediaPipeline\MediaDeletePipeline;
use Illuminate\Support\Arr;
use App\Jobs\AvatarPipeline\AvatarStorageCleanup;
class MediaStorageService {
public static function store(Media $media)
{
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if(config_cache('pixelfed.cloud_storage') == true) {
(new self())->cloudStore($media);
}
return;
}
public static function avatar($avatar, $local = false, $skipRecentCheck = false)
{
return (new self())->fetchAvatar($avatar, $local, $skipRecentCheck);
}
public static function head($url)
{
$c = new Client();
try {
$r = $c->request('HEAD', $url);
} catch (RequestException $e) {
return false;
}
$h = Arr::mapWithKeys($r->getHeaders(), function($item, $key) {
return [strtolower($key) => last($item)];
});
if(!isset($h['content-length'], $h['content-type'])) {
return false;
}
$len = (int) $h['content-length'];
$mime = $h['content-type'];
if($len < 10 || $len > ((config_cache('pixelfed.max_photo_size') * 1000))) {
return false;
}
return [
'length' => $len,
'mime' => $mime
];
}
protected function cloudStore($media)
{
if($media->remote_media == true) {
if(config('media.storage.remote.cloud')) {
(new self())->remoteToCloud($media);
}
} else {
(new self())->localToCloud($media);
}
}
protected function localToCloud($media)
{
$path = storage_path('app/'.$media->media_path);
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$thumb = storage_path('app/'.$media->thumbnail_path);
$p = explode('/', $media->media_path);
$name = array_pop($p);
$pt = explode('/', $media->thumbnail_path);
$thumbname = array_pop($pt);
$storagePath = implode('/', $p);
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$url = ResilientMediaStorageService::store($storagePath, $path, $name);
if($thumb) {
$thumbUrl = ResilientMediaStorageService::store($storagePath, $thumb, $thumbname);
$media->thumbnail_url = $thumbUrl;
}
$media->cdn_url = $url;
$media->optimized_url = $url;
$media->replicated_at = now();
$media->save();
if($media->status_id) {
Cache::forget('status:transformer:media:attachments:' . $media->status_id);
MediaService::del($media->status_id);
StatusService::del($media->status_id, false);
}
}
protected function remoteToCloud($media)
{
$url = $media->remote_url;
if(!Helpers::validateUrl($url)) {
return;
}
$head = $this->head($media->remote_url);
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if(!$head) {
return;
}
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$mimes = [
'image/jpeg',
'image/png',
'video/mp4'
];
$mime = $head['mime'];
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$max_size = (int) config_cache('pixelfed.max_photo_size') * 1000;
$media->size = $head['length'];
$media->remote_media = true;
$media->save();
if(!in_array($mime, $mimes)) {
return;
}
if($head['length'] >= $max_size) {
return;
}
switch ($mime) {
case 'image/png':
$ext = '.png';
break;
case 'image/gif':
$ext = '.gif';
break;
case 'image/jpeg':
$ext = '.jpg';
break;
case 'video/mp4':
$ext = '.mp4';
break;
}
$base = MediaPathService::get($media->profile);
$path = Str::random(40) . $ext;
$tmpBase = storage_path('app/remcache/');
$tmpPath = $media->profile_id . '-' . $path;
$tmpName = $tmpBase . $tmpPath;
$data = file_get_contents($url, false, null, 0, $head['length']);
file_put_contents($tmpName, $data);
$hash = hash_file('sha256', $tmpName);
$disk = Storage::disk(config('filesystems.cloud'));
$file = $disk->putFileAs($base, new File($tmpName), $path, 'public');
$permalink = $disk->url($file);
$media->media_path = $file;
$media->cdn_url = $permalink;
$media->original_sha256 = $hash;
$media->replicated_at = now();
$media->save();
if($media->status_id) {
Cache::forget('status:transformer:media:attachments:' . $media->status_id);
}
unlink($tmpName);
}
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protected function fetchAvatar($avatar, $local = false, $skipRecentCheck = false)
{
$queue = random_int(1, 15) > 5 ? 'mmo' : 'low';
$url = $avatar->remote_url;
$driver = $local ? 'local' : config('filesystems.cloud');
if(empty($url) || Helpers::validateUrl($url) == false) {
return;
}
$head = $this->head($url);
if($head == false) {
return;
}
$mimes = [
'application/octet-stream',
'image/jpeg',
'image/png',
];
$mime = $head['mime'];
$max_size = (int) config('pixelfed.max_avatar_size') * 1000;
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if(!$skipRecentCheck) {
if($avatar->last_fetched_at && $avatar->last_fetched_at->gt(now()->subMonths(3))) {
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return;
}
}
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Cache::forget('avatar:' . $avatar->profile_id);
AccountService::del($avatar->profile_id);
// handle pleroma edge case
if(Str::endsWith($mime, '; charset=utf-8')) {
$mime = str_replace('; charset=utf-8', '', $mime);
}
if(!in_array($mime, $mimes)) {
return;
}
if($head['length'] >= $max_size) {
return;
}
$base = ($local ? 'public/cache/' : 'cache/') . 'avatars/' . $avatar->profile_id;
$ext = $head['mime'] == 'image/jpeg' ? 'jpg' : 'png';
$path = 'avatar_' . strtolower(Str::random(random_int(3,6))) . '.' . $ext;
$tmpBase = storage_path('app/remcache/');
$tmpPath = 'avatar_' . $avatar->profile_id . '-' . $path;
$tmpName = $tmpBase . $tmpPath;
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$data = @file_get_contents($url, false, null, 0, $head['length']);
if(!$data) {
return;
}
file_put_contents($tmpName, $data);
$mimeCheck = Storage::mimeType('remcache/' . $tmpPath);
if(!$mimeCheck || !in_array($mimeCheck, ['image/png', 'image/jpeg'])) {
$avatar->last_fetched_at = now();
$avatar->save();
unlink($tmpName);
return;
}
$disk = Storage::disk($driver);
$file = $disk->putFileAs($base, new File($tmpName), $path, 'public');
$permalink = $disk->url($file);
$avatar->media_path = $base . '/' . $path;
$avatar->is_remote = true;
$avatar->cdn_url = $local ? config('app.url') . $permalink : $permalink;
$avatar->size = $head['length'];
$avatar->change_count = $avatar->change_count + 1;
$avatar->last_fetched_at = now();
$avatar->save();
Cache::forget('avatar:' . $avatar->profile_id);
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AccountService::del($avatar->profile_id);
AvatarStorageCleanup::dispatch($avatar)->onQueue($queue)->delay(now()->addMinutes(random_int(3, 15)));
unlink($tmpName);
}
public static function delete(Media $media, $confirm = false)
{
if(!$confirm) {
return;
}
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MediaDeletePipeline::dispatch($media)->onQueue('mmo');
}
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}