JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3RbrhasValidSignature($request), $this->isProduction ? 404 : 403 ); try { abort_unless(Storage::disk($this->disk)->exists($path), 404); $headers = [ 'Cache-Control' => 'no-store, no-cache, must-revalidate, max-age=0', 'Content-Security-Policy' => "default-src 'none'; style-src 'unsafe-inline'; sandbox", ]; return tap( Storage::disk($this->disk)->serve($request, $path, headers: $headers), function ($response) use ($headers) { if (! $response->headers->has('Content-Security-Policy')) { $response->headers->replace($headers); } } ); } catch (PathTraversalDetected $e) { abort(404); } } /** * Determine if the request has a valid signature if applicable. */ protected function hasValidSignature(Request $request): bool { return ($this->config['visibility'] ?? 'private') === 'public' || $request->hasValidRelativeSignature(); } }