## `GZipMiddleware` { #gzipmiddleware }

Handles GZip responses for any request that includes `"gzip"` in the `Accept-Encoding` header.

The middleware will handle both standard and streaming responses.

{* ../../docs_src/advanced_middleware/tutorial003_py39.py hl[2,6] *}

The following arguments are supported:

## `GZipMiddleware` { #gzipmiddleware }

Verarbeitet GZip-Responses für alle Requests, die `"gzip"` im `Accept-Encoding`-Header enthalten.

Diese Middleware verarbeitet sowohl Standard- als auch Streaming-Responses.

{* ../../docs_src/advanced_middleware/tutorial003_py39.py hl[2,6] *}

Die folgenden Argumente werden unterstützt:

     * to the target URL or serves file content directly if configured.
     *
     * @param form the go form containing document ID and tracking parameters
     * @return action response for redirection or content streaming
     * @throws IOException if an I/O error occurs during content retrieval
     */
    @Execute
    public ActionResponse index(final GoForm form) throws IOException {

            }
        }
        if (filtered.isEmpty() || filtered.size() == 1) {
            // Optimization to skip streaming, distincting, and collecting to a new list when there is zero or one
            // project, aka there can't be duplicates.
            return filtered;
        }

			Description: queueLimitComment,
			Optional:    true,
			Type:        "number",
		},
		config.HelpKV{
			Key:         target.NATSStreaming,
			Description: "[DEPRECATED] set to 'on', to use streaming NATS server",
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         target.NATSStreamingAsync,
			Description: "[DEPRECATED] set to 'on', to enable asynchronous publish",

			continue
		}
		if bw, ok := w.(io.Closer); ok {
			errs[i] = bw.Close()
		} else {
			errs[i] = nil
		}
	}
	return errs
}

// Returns hash sum for whole-bitrot, nil for streaming-bitrot.
func bitrotWriterSum(w io.Writer) []byte {
	if bw, ok := w.(*wholeBitrotWriter); ok {
		return bw.Sum(nil)
	}
	return nil
}

// Returns the size of the file with bitrot protection

	maxMergeMessages = 50

	// clientPingInterval will ping the remote handler every 15 seconds.
	// Clients disconnect when we exceed 2 intervals.
	clientPingInterval = 15 * time.Second

	// Deadline for single (non-streaming) requests to complete.
	// Used if no deadline is provided on context.
	defaultSingleRequestTimeout = time.Minute
)

var internalByteBuffer = bpool.Pool[*[]byte]{
	New: func() *[]byte {

   * Powerpoint</a> presentations.
   */
  public static final MediaType MICROSOFT_POWERPOINT =
      createConstant(APPLICATION_TYPE, "vnd.ms-powerpoint");

  /**
   * <a
   * href="https://learn.microsoft.com/en-us/archive/blogs/vsofficedeveloper/office-2007-file-format-mime-types-for-http-content-streaming-2">Microsoft
   * Word</a> documents.
   */

## `GZipMiddleware` { #gzipmiddleware }

Gerencia respostas GZip para qualquer requisição que inclua `"gzip"` no cabeçalho `Accept-Encoding`.

O middleware lidará com respostas padrão e de streaming.

{* ../../docs_src/advanced_middleware/tutorial003_py39.py hl[2,6] *}

Os seguintes argumentos são suportados:

* `minimum_size` - Não comprima respostas menores que este tamanho mínimo em bytes. O padrão é `500`.

}

// Verify if the request has AWS Streaming Signature Version '4'. This is only valid for 'PUT' operation.
func isRequestSignStreamingV4(r *http.Request) bool {
	return r.Header.Get(xhttp.AmzContentSha256) == streamingContentSHA256 &&
		r.Method == http.MethodPut
}

// Verify if the request has AWS Streaming Signature Version '4'. This is only valid for 'PUT' operation.