WCF REST 服务 - 如何使用 gzip 解压缩表单数据

Question

我们有一个WCF-REST服务，客户端使用内容编码= gzip发送数据并以gzip格式压缩数据。但是，我们无法从 WCF 服务中收到的请求中解压缩表单数据。

Answer 1

最后，我的一个拼贴画找到了答案，谢谢Sandesh和团队!!

您需要添加 IHttpModule 来拦截每个 HTTP 请求并解压缩数据

/// <summary>
    /// This class Handles various pre-conditions which has to performed before processing the HTTP request.
    /// @author XXXXX
    /// </summary>
    public class PreRequestHandler : IHttpModule
    {
        public void Dispose()
        {
            throw new NotImplementedException();
        }
        public void Init(HttpApplication httpContext)
        {
            httpContext.BeginRequest += DecompressReceivedRequest;
        }
        /// <summary>
        /// Decompresses the HTTP request before processing it.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void DecompressReceivedRequest(object sender, EventArgs e)
        {
            HttpApplication httpApp = (HttpApplication)sender;
            if ("gzip" == httpApp.Request.Headers["Content-Encoding"])
            {
                httpApp.Request.Filter = new GZipStream(httpApp.Request.Filter, CompressionMode.Decompress);
            }
        }
    }

另外，需要在 web.config 文件中添加以下条目

  <!-- Configuration setting to add Custom Http Module to handle various pre-conditions which has to performed before processing the HTTP request.-->
  <system.webServer>
    <modules>
      <add name="PreRequestHandler" type="Your service class.PreRequestHandler"/>
    </modules>
  </system.webServer>