package util

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

func GetUserFromToken(req *http.Request) string {
	authHeader := req.Header.Get("Authorization")
	if strings.HasPrefix(authHeader, "Bearer ") {
		authToken := strings.Split(authHeader, "Bearer ")[1]
		data, err := base64.StdEncoding.DecodeString(authToken)
		if err == nil {
			parts := strings.Split(string(data), "\n")
			if len(parts) == 2 {
				return parts[0]
			}
		}
	}
	return ""
}