golang basic auth transport

basic.go

import (
	"encoding/base64"
	"fmt"
	"net/http"
)

type BasicAuthTransport struct {
	Username string
	Password string
}

func (bat BasicAuthTransport) RoundTrip(req *http.Request) (*http.Response, error) {
	req.Header.Set("Authorization", fmt.Sprintf("Basic %s",
		base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%s:%s",
			bat.Username, bat.Password)))))
	return http.DefaultTransport.RoundTrip(req)
}

func (bat *BasicAuthTransport) Client() *http.Client {
	return &http.Client{Transport: bat}
}