working commit

pkg/auxhttp/parseauth.go

@@ -0,0 +1,47 @@
+package auxhttp
+
+import (
+	"encoding/base64"
+	"errors"
+	"strings"
+)
+
+func ParseAuthBasicHeader(header string) (string, string, error) {
+	var err error
+	var username string
+	var password string
+
+	authData := strings.SplitN(header, " ", 2)
+	if len(authData) < 2 {
+		err = errors.New("Wrong authentification header")
+		return username, password, err
+	}
+	authType := strings.TrimSpace(authData[0])
+	if authType != "Basic" {
+		err = errors.New("Authentification type is different from basic")
+		return username, password, err
+	}
+	authPair := strings.TrimSpace(authData[1])
+
+	pairEncoded, err := base64.StdEncoding.DecodeString(authPair)
+	if err != nil {
+		return username, password, err
+	}
+	pair := strings.SplitN(string(pairEncoded), ":", 2)
+	if len(pair) < 2 {
+		err = errors.New("Wrong authentification pair")
+		return username, password, err
+	}
+	username = strings.TrimSpace(pair[0])
+	password = strings.TrimSpace(pair[1])
+
+	if username == "" {
+		err = errors.New("autentification username is null")
+		return username, password, err
+	}
+	if password == "" {
+		err = errors.New("autentification password is null")
+		return username, password, err
+	}
+	return username, password, err
+}