working commit

pkg/servcli/authmw.go

@@ -0,0 +1,58 @@
+package servcli
+
+import (
+	"encoding/base64"
+	"net/http"
+)
+
+// BasicAuthMiddleware
+func NewBasicAuthMiddleware(user, pass string) MiddlewareFunc {
+	return func(next http.RoundTripper) http.RoundTripper {
+		return newBasicAuthMW(next, user, pass)
+	}
+}
+
+type BasicAuthMW struct {
+	user, pass string
+	next       http.RoundTripper
+}
+
+func newBasicAuthMW(next http.RoundTripper, user, pass string) *BasicAuthMW {
+	return &BasicAuthMW{
+		user: user,
+		pass: pass,
+		next: next,
+	}
+}
+
+func (tran BasicAuthMW) RoundTrip(req *http.Request) (*http.Response, error) {
+	if tran.user != "" && tran.pass != "" {
+		pair := base64.StdEncoding.EncodeToString([]byte(tran.user + ":" + tran.pass))
+		req.Header.Set("Authorization", "Basic "+pair)
+	}
+	return tran.next.RoundTrip(req)
+}
+
+// BearerAuthMiddleware
+func NewBearerAuthMiddleware(token string) MiddlewareFunc {
+	return func(next http.RoundTripper) http.RoundTripper {
+		return newBearerAuthMW(next, token)
+	}
+}
+
+type BearerAuthMW struct {
+	token string
+	next  http.RoundTripper
+}
+
+func newBearerAuthMW(next http.RoundTripper, token string) *BearerAuthMW {
+	return &BearerAuthMW{
+		token: token,
+		next:  next,
+	}
+}
+
+func (tran BearerAuthMW) RoundTrip(req *http.Request) (*http.Response, error) {
+	req.Header.Set("Authorization", "Bearer "+tran.token)
+	return tran.next.RoundTrip(req)
+}