src/Controller/OnlineFileController.php line 16

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  1. <?php
  3. namespace App\Controller;
  5. use App\Kernel;
  6. use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
  7. use Symfony\Component\Cache\Adapter\FilesystemAdapter;
  8. use Symfony\Component\HttpFoundation\JsonResponse;
  9. use Symfony\Component\HttpFoundation\Response;
  10. use Symfony\Component\Routing\Annotation\Route;
  11. use Symfony\Contracts\Cache\ItemInterface;
  13. class OnlineFileController extends AbstractController
  14. {
  15.     #[Route('/onlineFile/{url}/{action?}', name: 'onlineFile')]
  16.     public function index(Kernel $kernel,$url,$action=null): Response
  17.     {
  18.         $url = urldecode($url);
  19.         $cache = new FilesystemAdapter(directory:$kernel->getProjectDir().DIRECTORY_SEPARATOR.'var'.DIRECTORY_SEPARATOR.'onlineFileCheck');
  20.         if(strtolower($action) == 'help' || strtolower($url) == 'help')
  21.         {
  22.             return new Response('/onlineFile/[url_encode(url_encode(url))]/{help|store|compare|show}');
  23.         }
  24.         elseif(strtolower($action) == 'store')
  25.         {
  26.             $content = file_get_contents($url);
  27.             $hash = hash('sha256',$content);
  29.             $cached = new \stdClass();
  30.             $cached->url = $url;
  31.             $cached->content = $content;
  32.             $cached->hash = $hash;
  33.             $cached->stored = new \DateTime();
  35.             $cacheItem = $cache->getItem($url);
  36.             $cacheItem->set($cached);
  37.             $cache->save($cacheItem);
  39.             return new JsonResponse($cached);
  40.         }
  41.         elseif(strtolower($action) == 'compare')
  42.         {
  43.             $cached = $cache->getItem($url)->get();
  44.             if($cached !== null)
  45.             {
  46.                 $old = json_decode($cached->content,true);
  47.                 $new = json_decode(file_get_contents($url),true);
  49.                 $diffs = array_diff($old,$new);
  51.                 if(count($diffs) > 0)
  52.                     $response = '<pre>'.var_export($diffs,true).'</pre>';
  53.                 else
  54.                     $response = 'NO DIFF';
  55.             }
  56.             else
  57.                 $response = 'NO CACHE FOUND';
  59.             return new Response($response);
  60.         }
  61.         elseif(strtolower($action) == 'show')
  62.         {
  63.             $cached = $cache->getItem($url)->get();
  64.             if($cached !== null)
  65.             {
  66.                 $response = 'HASH : '.$cached->hash.'<br /><br /><pre>'.json_encode(json_decode($cached->content),JSON_PRETTY_PRINT).'</pre>';
  67.             }
  68.             else
  69.                 $response = 'NO CACHE FOUND';
  71.             return new Response($response);
  72.         }
  73.         else
  74.         {
  75.             $response = 'OK';
  76.             $cached = $cache->getItem($url)->get();
  77.             if($cached !== null)
  78.             {
  79.                 $content = file_get_contents($url);
  80.                 $hash = hash('sha256',$content);
  82.                 if($cached->hash !== $hash)
  83.                 {
  84.                     $response = 'CHANGED';
  85.                 }
  86.             }
  87.             else
  88.                 $response = 'EMPTY';
  90.             return new JsonResponse($response);
  91.         }
  92.     }
  93. }