Files
ersteller/middleware.go
T

61 lines
1.4 KiB
Go

package ersteller
import (
"compress/gzip"
"io"
"net/http"
"strings"
)
type gzipResponseWriter struct {
io.Writer
http.ResponseWriter
}
func (w gzipResponseWriter) Write(b []byte) (int, error) {
return w.Writer.Write(b)
}
// https://gist.github.com/the42/1956518
func MakeGzipHandler(fn http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if !strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
fn.ServeHTTP(w, r)
return
}
w.Header().Set("Content-Encoding", "gzip")
gz := gzip.NewWriter(w)
defer gz.Close()
gzr := gzipResponseWriter{Writer: gz, ResponseWriter: w}
fn.ServeHTTP(gzr, r)
})
}
type MiddlewareFunc func(next http.Handler) http.Handler
// https://www.jvt.me/posts/2023/09/01/golang-nethttp-global-middleware/
func UseMiddleware(r HtmxServer, middlewares ...MiddlewareFunc) http.Handler {
var s http.Handler
s = r.GetHttpServer()
for _, mw := range middlewares {
s = mw(s)
}
return s
}
func LoggingMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
Debug("Path ", r.URL.String())
next.ServeHTTP(w, r)
})
}
func AcceptHeaderMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
Debug("Accept: %v", r.Header.Get("Accept"))
next.ServeHTTP(w, r)
})
}