Пример #1
0
func Compress(req zerver.Request, resp zerver.Response, chain zerver.FilterChain) {
	encoding := req.AcceptEncodings()

	if strings.Contains(encoding, zerver.ENCODING_GZIP) {
		resp.SetContentEncoding(zerver.ENCODING_GZIP)
		resp.Wrap(gzipWrapper)
	} else if strings.Contains(encoding, zerver.ENCODING_DEFLATE) {
		resp.SetContentEncoding(zerver.ENCODING_DEFLATE)
		resp.Wrap(flateWrapper)
	} else {
		chain(req, resp)
		return
	}

	chain(req, resp)
	resp.RemoveHeader("Content-Length")
}
Пример #2
0
func Compress(req zerver.Request, resp zerver.Response, chain zerver.FilterChain) {
	encoding := req.GetHeader(zerver.HEADER_ACCEPTENCODING)

	respHeaders := resp.Headers()
	if strings.Contains(encoding, zerver.ENCODING_GZIP) {
		respHeaders.Set(zerver.HEADER_CONTENTENCODING, zerver.ENCODING_GZIP)
		resp.Wrap(gzipWrapper)
	} else if strings.Contains(encoding, zerver.ENCODING_DEFLATE) {
		respHeaders.Set(zerver.HEADER_CONTENTENCODING, zerver.ENCODING_DEFLATE)
		resp.Wrap(flateWrapper)
	} else {
		chain(req, resp)
		return
	}

	chain(req, resp)
	respHeaders.Del(zerver.HEADER_CONTENTLENGTH)
}
Пример #3
0
func (j *JSONP) Filter(req zerver.Request, resp zerver.Response, chain zerver.FilterChain) {
	if req.ReqMethod() != zerver.METHOD_GET {
		chain(req, resp)
		return
	}

	callback := req.Vars().QueryVar(j.CallbackVar)
	if callback == "" {
		chain(req, resp)
		return
	}

	buffer := bytes.NewBuffer(make([]byte, 0, 256))
	bw := wrap.BuffRespWriter{ // to avoid write header 200 first when write callback name
		Buffer: buffer,
	}
	resp.Wrap(func(w http.ResponseWriter, shouldClose bool) (http.ResponseWriter, bool) {
		bw.ResponseWriter = w
		bw.ShouldClose = shouldClose
		return &bw, shouldClose
	})
	chain(req, resp)
	bw.Buffer = nil

	_, err := io2.WriteString(resp, callback)
	if err == nil {
		_, err = io2.WriteString(resp, "(")
		if err == nil {
			_, err = resp.Write(buffer.Bytes())
			if err == nil {
				_, err = io2.WriteString(resp, ")")
			}
		}
	}
	if err != nil {
		j.log.Warn(log.M{"msg": "write jsonp response failed", "err": err.Error()})
	}
}