/** * Handle an incoming request. * * @param \Illuminate\Http\Request $request * @param \Closure $next * @param int $maxAttempts * @param int $decayMinutes * @return mixed */ public function handle($request, Closure $next, $maxAttempts = 60, $decayMinutes = 1) { $key = $this->resolveRequestSignature($request); if ($this->limiter->tooManyAttempts($key, $maxAttempts, $decayMinutes)) { return new Response('Too Many Attempts.', 429, ['Retry-After' => $this->limiter->availableIn($key), 'X-RateLimit-Limit' => $maxAttempts, 'X-RateLimit-Remaining' => 0]); } $this->limiter->hit($key, $decayMinutes); return $next($request)->withHeaders(['X-RateLimit-Limit' => $maxAttempts, 'X-RateLimit-Remaining' => $maxAttempts - $this->limiter->attempts($key) + 1]); }
/** * Calculate the number of remaining attempts. * * @param string $key * @param int $maxAttempts * @return int */ protected function calculateRemainingAttempts($key, $maxAttempts) { return $maxAttempts - $this->limiter->attempts($key) + 1; }