blue-twilight/app/Http/Controllers/Gallery/PhotoController.php

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PHP
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<?php
namespace App\Http\Controllers\Gallery;
use App\Album;
use App\Facade\Theme;
use App\Facade\UserConfig;
use App\Helpers\DbHelper;
use App\Helpers\MiscHelper;
use app\Http\Controllers\Admin\AlbumController;
use App\Http\Controllers\Controller;
use App\Http\Middleware\VerifyCsrfToken;
use App\Photo;
use App\VisitorHit;
use Guzzle\Http\Mimetypes;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Gate;
use Symfony\Component\HttpFoundation\Request;
class PhotoController extends Controller
{
public function download(Request $request, $albumUrlAlias, $photoFilename)
{
$album = DbHelper::getAlbumByPath($albumUrlAlias);
if (is_null($album))
{
App::abort(404);
return null;
}
$this->authorizeForUser($this->getUser(), 'view', $album);
if (UserConfig::get('hotlink_protection'))
{
$referrer = $request->headers->get('Referer');
if (!is_null($referrer))
{
$hostname = parse_url($referrer, PHP_URL_HOST);
if (strtolower($hostname) != strtolower($request->getHttpHost()))
{
App::abort(403);
return null;
}
}
else
{
App::abort(403);
return null;
}
}
$photo = PhotoController::loadPhotoByAlbumAndFilename($album, $photoFilename);
$thumbnail = $request->get('t');
if (is_null($thumbnail))
{
$this->authorizeForUser($this->getUser(), 'photo.download_original', $photo);
}
// Record the visit to the photo
if (UserConfig::get('enable_visitor_hits'))
{
DB::transaction(function () use ($album, $photo, $request, $thumbnail)
{
$photo->hits_download++;
$photo->save();
VisitorHit::fromRequest($request, $album->id, $photo->id, (is_null($thumbnail) ? 'original' : $thumbnail));
});
}
$photoStream = $album->getAlbumSource()->fetchPhotoContent($photo, $thumbnail);
$mimeType = Mimetypes::getInstance()->fromFilename($photo->storage_file_name);
return response()->stream(
function() use ($photoStream)
{
echo $photoStream;
},
200,
[
'Content-Length' => $photoStream->getContentLength(),
'Content-Type' => $mimeType
]
);
}
public function show(Request $request, $albumUrlAlias, $photoFilename)
{
$album = DbHelper::getAlbumByPath($albumUrlAlias);
if (is_null($album))
{
App::abort(404);
return null;
}
$this->authorizeForUser($this->getUser(), 'view', $album);
$photo = PhotoController::loadPhotoByAlbumAndFilename($album, $photoFilename);
$isOriginalAllowed = Gate::forUser($this->getUser())->allows('photo.download_original', $photo);
$returnAlbumUrl = $album->url();
$referer = $request->headers->get('Referer');
if (strlen($referer) > 0 && MiscHelper::isSafeUrl($referer))
{
$returnAlbumUrl = $referer;
}
// Record the visit to the photo
if (UserConfig::get('enable_visitor_hits'))
{
DB::transaction(function () use ($album, $photo, $request)
{
$photo->hits++;
$photo->save();
VisitorHit::fromRequest($request, $album->id, $photo->id);
});
}
return Theme::render('gallery.photo', [
'album' => $album,
'is_original_allowed' => $isOriginalAllowed,
'photo' => $photo,
'return_album_url' => $returnAlbumUrl
]);
}
/**
* @param $id
* @return Photo
*/
public static function loadPhotoByAlbumAndFilename(Album $album, $filename)
{
$photo = Photo::where([
['album_id', $album->id],
['storage_file_name', $filename]
])->first();
if (is_null($photo))
{
App::abort(404);
return null;
}
return $photo;
}
}