traefik/middlewares/replace_path.go
2017-04-26 23:33:32 -07:00

20 lines
468 B
Go

package middlewares
import (
"net/http"
)
// ReplacePath is a middleware used to replace the path of a URL request
type ReplacePath struct {
Handler http.Handler
Path string
}
// ReplacedPathHeader is the default header to set the old path to
const ReplacedPathHeader = "X-Replaced-Path"
func (s *ReplacePath) ServeHTTP(w http.ResponseWriter, r *http.Request) {
r.Header.Add(ReplacedPathHeader, r.URL.Path)
r.URL.Path = s.Path
s.Handler.ServeHTTP(w, r)
}