func GetDigestMD5ChallengeResponse(protocol string, serverId string, challenge []byte, userToken *hadoop_common.TokenProto) (string, error) {
if len(challenge) <= 0 {
log.Fatal("challenge cannot be empty!")
return "", errors.New("challenge cannot be empty!")
}
var err error
challengeParams, err := getChallengeParams(string(challenge))
if err != nil {
log.Fatal("challenge params extraction failure! ", err)
return "", err
}
err = validateChallengeParameters(challengeParams)
if err != nil {
log.Fatal("challenge params validation failure! ", err)
return "", err
}
username := base64.StdEncoding.EncodeToString(userToken.GetIdentifier())
password := base64.StdEncoding.EncodeToString(userToken.GetPassword())
response, err := generateChallengeReponse(username, password, protocol, serverId, challengeParams)
if err != nil {
log.Fatal("Failed to generate challenge response! ", err)
return "", err
}
return response, nil
}
func (ugi *UserGroupInformation) AddUserToken(token *hadoop_common.TokenProto) {
if token == nil {
log.Fatal("supplied token is nil!")
return
}
ugi.AddUserTokenWithAlias(token.GetService(), token)
}