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| 1 | <?php |
| 2 | |
| 3 | namespace App\Http\Middleware; |
| 4 | |
| 5 | use Closure; |
| 6 | use Illuminate\Http\Request; |
| 7 | use Illuminate\Http\Response; |
| 8 | use Symfony\Component\HttpFoundation\BinaryFileResponse; |
| 9 | |
| 10 | class GzipResponse |
| 11 | { |
| 12 | /** |
| 13 | * Handle an incoming request. |
| 14 | * |
| 15 | * @return mixed |
| 16 | */ |
| 17 | public function handle(Request $request, Closure $next) |
| 18 | { |
| 19 | ini_set('memory_limit', '-1'); |
| 20 | |
| 21 | // Proceed to get the response |
| 22 | $response = $next($request); |
| 23 | |
| 24 | // Check if the response is an instance of BinaryFileResponse (file download) |
| 25 | if ($response instanceof BinaryFileResponse) { |
| 26 | // Skip gzip compression for file download responses (binary files) |
| 27 | return $response; |
| 28 | } |
| 29 | |
| 30 | // Check if the response content is an array or object (e.g., JSON response) |
| 31 | if (is_array($response->getOriginalContent()) || is_object($response->getOriginalContent())) { |
| 32 | // Convert the array to JSON |
| 33 | $content = json_encode($response->getOriginalContent(), JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |
| 34 | |
| 35 | // If the client accepts gzip and the response content is JSON, apply gzip compression |
| 36 | if ($this->acceptsGzip($request)) { |
| 37 | // Compress the content using gzencode |
| 38 | $gzippedContent = gzencode($content, 9); // Highest compression level (9) |
| 39 | |
| 40 | // Set the compressed content in the response |
| 41 | $response->setContent($gzippedContent); |
| 42 | |
| 43 | // Set the appropriate headers for Gzip encoding |
| 44 | $response->headers->set('Content-Encoding', 'gzip'); |
| 45 | } else { |
| 46 | // If not gzipped, just set the plain JSON content |
| 47 | $response->setContent($content); |
| 48 | } |
| 49 | |
| 50 | // Set Content-Type header to application/json |
| 51 | $response->headers->set('Content-Type', 'application/json'); |
| 52 | } |
| 53 | |
| 54 | return $response; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Check if the client accepts Gzip encoding. |
| 59 | * |
| 60 | * @return bool |
| 61 | */ |
| 62 | private function acceptsGzip(Request $request) |
| 63 | { |
| 64 | return strpos($request->header('Accept-Encoding'), 'gzip') !== false; |
| 65 | } |
| 66 | } |