我尝试使用 GZipStream 在页面上强制进行 gzip 压缩，但浏览器显示我正在使用不受支持的压缩

发布于 2024-09-13 06:53:47 字数 1323 浏览 2 评论 0原文

我正在尝试实现 Steve Souders 讨论的内容 http ://www.stevesouders.com/blog/2010/07/12/velocity-forcing-gzip-compression/关于强制gzip压缩

我有一个正在运行这个的模块：

void context_PreSendRequestHeaders(object sender, EventArgs e)
{
    var app = sender as HttpApplication;

    var request = app.Request;
    var response = app.Response;

    if (CompressionUtils.GzipSupported(request) || CompressionUtils.GzipNotSupportedExplicitly(request)) 
    {
        return;
    }

    if (CompressionUtils.GzipSupportedExplicitly(request))
    {
        response.Filter = new GZipStream(response.Filter, CompressionMode.Compress);
        response.AddHeader(HttpHeaderKey.ContentEncoding, "gzip");
        return;
    }

    response.Write("<iframe style=\"display:none;\" src=\"/CompressedPage.aspx\"></iframe>");
}

CompressionUtils.GzipSupported< /code> 仅检查“accepts-encoding”标头 CompressionUtils.GzipSupportedExplicitly 和 CompressionUtils.GzipNotSupportedExplicitly 检查 cookie，说明浏览器是否真的可以读取 gzip

但是当我在 Firefox 中加载页面时，出现此错误：

内容编码错误
无法显示您尝试查看的页面，因为它使用了无效或不支持的压缩形式。

在 Fiddler 中，它显示内容编码标头已添加，但内容尚未压缩

原文

I'm tring to implement what Steve Souders discusses http://www.stevesouders.com/blog/2010/07/12/velocity-forcing-gzip-compression/ about forcing gzip compression

I've got a module that's running this:

void context_PreSendRequestHeaders(object sender, EventArgs e)
{
    var app = sender as HttpApplication;

    var request = app.Request;
    var response = app.Response;

    if (CompressionUtils.GzipSupported(request) || CompressionUtils.GzipNotSupportedExplicitly(request)) 
    {
        return;
    }

    if (CompressionUtils.GzipSupportedExplicitly(request))
    {
        response.Filter = new GZipStream(response.Filter, CompressionMode.Compress);
        response.AddHeader(HttpHeaderKey.ContentEncoding, "gzip");
        return;
    }

    response.Write("<iframe style=\"display:none;\" src=\"/CompressedPage.aspx\"></iframe>");
}

CompressionUtils.GzipSupported just checks for the 'accepts-encoding' header while
CompressionUtils.GzipSupportedExplicitly and CompressionUtils.GzipNotSupportedExplicitly check for the cookie saying whether the browser really can read gzip

But when I load a page in Firefox I get this error: