51 lines
961 B
Go
Executable File
51 lines
961 B
Go
Executable File
package gziphttp
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import (
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"compress/gzip"
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"net/http"
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"strings"
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)
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type GZipResponseWriter struct {
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w http.ResponseWriter
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gz *gzip.Writer
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}
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func Can(r *http.Request) bool {
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encodings, _ := r.Header["Accept-Encoding"]
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for _, encoding := range encodings {
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items := strings.Split(encoding, ",")
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for _, item := range items {
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if strings.TrimSpace(item) == "gzip" {
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return true
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}
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}
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}
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return false
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}
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func New(w http.ResponseWriter) *GZipResponseWriter {
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w.Header().Add("Content-Type", "text/html")
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w.Header().Add("Content-Encoding", "gzip")
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return &GZipResponseWriter{
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w: w,
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gz: gzip.NewWriter(w),
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}
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}
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func (gz *GZipResponseWriter) Header() http.Header {
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return gz.w.Header()
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}
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func (gz *GZipResponseWriter) WriteHeader(statusCode int) {
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gz.w.WriteHeader(statusCode)
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}
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func (gz *GZipResponseWriter) Write(b []byte) (int, error) {
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return gz.gz.Write(b)
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}
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func (gz *GZipResponseWriter) Close() error {
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return gz.gz.Close()
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}
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