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<?php
namespace App\Http\Middleware;
use Closure;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;
use Symfony\Component\HttpFoundation\Response;
class RateLimiter
{
/**
* Handle an incoming request.
*
* @param \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response) $next
*/
public function handle(Request $request, Closure $next): Response
{
if (auth()->check()) {
return $next($request);
}
$ipAddress = $request->ip();
$cacheKey = 'rate_limit_'.$ipAddress;
if (Cache::has($cacheKey)) {
// If the cache key exists, the IP has submitted an entry within the last hour.
return response()->view('errors.guestbook-ratelimit', [], 429);
}
// Add the IP address to the cache and set the expiration time to one hour.
Cache::put($cacheKey, true, 3600);
return $next($request);
}
}
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