snipe-it/app/Http/Controllers/ActionlogController.php

<?php

namespace App\Http\Controllers;

use App\Helpers\Helper;
use App\Models\Actionlog;
use Illuminate\Support\Facades\Response;
use Illuminate\Support\Facades\Log;
class ActionlogController extends Controller
{
    public function displaySig($filename)
    {
        // PHP doesn't let you handle file not found errors well with 
        // file_get_contents, so we set the error reporting for just this class
        error_reporting(0);

        $disk = config('filesystems.default');
        switch (config("filesystems.disks.$disk.driver")) {
        case 's3':
            $file = 'private_uploads/signatures/'.$filename;
            return redirect()->away(Storage::disk($disk)->temporaryUrl($file, now()->addMinutes(5)));
        default:
          $this->authorize('view', \App\Models\Asset::class);
          $file = config('app.private_uploads').'/signatures/'.$filename;
          $filetype = Helper::checkUploadIsImage($file);

          $contents = file_get_contents($file, false, stream_context_create(['http' => ['ignore_errors' => true]]));
          if ($contents === false) {
              Log::warning('File '.$file.' not found');
              return false;
          } else {
              return Response::make($contents)->header('Content-Type', $filetype);
          }
    }
    public function getStoredEula($filename){
        $this->authorize('view', \App\Models\Asset::class);
        $file = config('app.private_uploads').'/eula-pdfs/'.$filename;

        return Response::download($file);
    }
}