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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\Http\Controllers\AvatarController;
use GuzzleHttp\Exception\RequestException;
use App\Jobs\MediaPipeline\MediaDeletePipeline;
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($avatar)
{
return (new self())->fetchAvatar($avatar);
}
public static function head($url)
{
$c = new Client();
try {
$r = $c->request('HEAD', $url);
} catch (RequestException $e) {
return false;
}
$h = $r->getHeaders();
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if (isset($h['Content-Length'], $h['Content-Type']) == false ||
empty($h['Content-Length']) ||
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empty($h['Content-Type']) ||
$h['Content-Length'] < 10 ||
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$h['Content-Length'] > (config_cache('pixelfed.max_photo_size') * 1000)
) {
return false;
}
return [
'length' => $h['Content-Length'][0],
'mime' => $h['Content-Type'][0]
];
}
protected function cloudStore($media)
{
if($media->remote_media == true) {
(new self())->remoteToCloud($media);
} else {
(new self())->localToCloud($media);
}
}
protected function localToCloud($media)
{
$path = storage_path('app/'.$media->media_path);
$thumb = storage_path('app/'.$media->thumbnail_path);
$p = explode('/', $media->media_path);
$name = array_pop($p);
$pt = explode('/', $media->thumbnail_path);
$thumbname = array_pop($pt);
$storagePath = implode('/', $p);
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$disk = Storage::disk(config('filesystems.cloud'));
$file = $disk->putFileAs($storagePath, new File($path), $name, 'public');
$url = $disk->url($file);
$thumbFile = $disk->putFileAs($storagePath, new File($thumb), $thumbname, 'public');
$thumbUrl = $disk->url($thumbFile);
$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:' . $media->status_id);
}
}
protected function remoteToCloud($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 = $base . $path;
$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);
}
protected function fetchAvatar($avatar)
{
$url = $avatar->remote_url;
if($url == null || Helpers::validateUrl($url) == false) {
return;
}
$head = $this->head($url);
if($head == false) {
return;
}
$mimes = [
'image/jpeg',
'image/png',
];
$mime = $head['mime'];
$max_size = (int) config('pixelfed.max_avatar_size') * 1000;
if($avatar->last_fetched_at && $avatar->last_fetched_at->gt(now()->subDay())) {
return;
}
// handle pleroma edge case
if(Str::endsWith($mime, '; charset=utf-8')) {
$mime = str_replace('; charset=utf-8', '', $mime);
}
if(!in_array($mime, $mimes)) {
return;
}
if($head['length'] >= $max_size) {
return;
}
if($avatar->size && $head['length'] == $avatar->size) {
return;
}
$base = 'cache/avatars/' . $avatar->profile_id;
$ext = $head['mime'] == 'image/jpeg' ? 'jpg' : 'png';
$path = Str::random(20) . '_avatar.' . $ext;
$tmpBase = storage_path('app/remcache/');
$tmpPath = 'avatar_' . $avatar->profile_id . '-' . $path;
$tmpName = $tmpBase . $tmpPath;
$data = file_get_contents($url, false, null, 0, $head['length']);
file_put_contents($tmpName, $data);
$disk = Storage::disk(config('filesystems.cloud'));
$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 = $permalink;
$avatar->size = $head['length'];
$avatar->change_count = $avatar->change_count + 1;
$avatar->last_fetched_at = now();
$avatar->save();
Cache::forget('avatar:' . $avatar->profile_id);
unlink($tmpName);
}
public static function delete(Media $media, $confirm = false)
{
if(!$confirm) {
return;
}
MediaDeletePipeline::dispatch($media);
}
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}