5

有没有办法让Azure 网站为来自 HTTP 1.0 代理(如Amazon Web Services CloudFront)的请求提供 gzip 内容?考虑这样的请求:

curl -I -H "accept-encoding: gzip,deflate,sdch" -H "Via: 1.0 {foo.cdn.net}" -0 http://{fooproject}.azurewebsites.net/

似乎完成的一般方法是将以下元素添加到system.webServer

<httpCompression noCompressionForHttp10="false" noCompressionForProxies="false" />

它似乎也httpCompression只在其中有效ApplicationHost.config而不是web.config意味着它在 Azure 网站上不可覆盖。

任何解决方法的建议?

其他资源:

4

3 回答 3

1

IIS 不会针对 HTTP/1.0 请求进行压缩。您可以通过设置覆盖此行为:

appcmd set config -section:system.webServer/httpCompression /noCompressionForHttp10:"False"

于 2017-05-12T10:09:50.253 回答
0

查看这 2 篇文章,如果您想将压缩 (gzip) 内容发送回客户端,它们可能会对您有所帮助:

http://christesene.com/mvc-3-action-filters-enable-page-compression-gzip/

http://www.west-wind.com/weblog/posts/2012/Apr/28/GZipDeflate-Compression-in-ASPNET-MVC

于 2013-05-17T14:46:04.240 回答
0

完成这项工作的自动神奇 HTTP 模块如下所示。您需要在 Web.config 文件中注册它。

/// <summary>
/// Provides HTTP compression support for CDN services when
/// ASP.NET website is used as origin.
/// </summary>
public sealed class CdnHttpCompressionModule : IHttpModule
{
    public void Init(HttpApplication context)
    {
        context.PreRequestHandlerExecute += Context_PreRequestHandlerExecute;
    }

    public void Dispose()
    {
    }

    void Context_PreRequestHandlerExecute(object sender, EventArgs e)
    {
        var application = (HttpApplication)sender;
        var request = application.Request;
        var response = application.Response;

        // ---------------------------------------------------------------------

        bool allowed = false;

        string via = request.Headers["Via"];
        if (!string.IsNullOrEmpty(via))
        {
            if (via.Contains(".cloudfront.net"))
            {
                // Amazon CloudFront
                allowed = true;
            }

            // HINT: You can extend with other criterias for other CDN providers.
        }

        if (!allowed)
            return;

        // ---------------------------------------------------------------------

        try
        {
            if (request["HTTP_X_MICROSOFTAJAX"] != null)
                return;
        }
        catch (HttpRequestValidationException)
        {
        }

        // ---------------------------------------------------------------------

        string acceptEncoding = request.Headers["Accept-Encoding"];
        if (string.IsNullOrEmpty(acceptEncoding))
            return;

        string fileExtension = request.CurrentExecutionFilePathExtension;
        if (fileExtension == null)
            fileExtension = string.Empty;
        fileExtension = fileExtension.ToLowerInvariant();

        switch (fileExtension)
        {
            case "":
            case ".js":
            case ".htm":
            case ".html":
            case ".css":
            case ".txt":
            case ".ico":
                break;

            default:
                return;
        }

        acceptEncoding = acceptEncoding.ToLowerInvariant();
        string newContentEncoding = null;

        if (acceptEncoding.Contains("gzip"))
        {
            // gzip
            response.Filter = new GZipStream(response.Filter, CompressionMode.Compress);
            newContentEncoding = "gzip";
        }
        else if (acceptEncoding.Contains("deflate"))
        {
            // deflate
            response.Filter = new DeflateStream(response.Filter, CompressionMode.Compress);
            newContentEncoding = "deflate";
        }

        if (newContentEncoding != null)
        {
            response.AppendHeader("Content-Encoding", newContentEncoding);
            response.Cache.VaryByHeaders["Accept-Encoding"] = true;
        }
    }
}

该模块旨在在集成管道模式下与 IIS 7.0 或更高版本一起使用(Azure 网站开箱即用)。这是最普遍的配置,所以通常只要你附加它就可以工作。请注意,该模块应该是模块列表中的第一个。

Web.config 注册示例:

<configuration>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true">
      <add name="CdnHttpCompressionModule" preCondition="managedHandler" type="YourWebsite.Modules.CdnHttpCompressionModule, YourWebsite" />
      <!-- You may have other modules here -->
    </modules>  
  <system.webServer>
</configuration>
于 2013-12-02T01:57:25.437 回答