private String getAuthHeader ( HttpServletRequest request , String authType ) throws HttpAuthenticationException { String authHeader = request . getHeader ( HttpAuthUtils . AUTHORIZATION ) ; // Each http request must have an Authorization header if ( authHeader == null || authHeader . isEmpty ( ) ) { throw new HttpAuthenticationException ( "Authorization header received " + "from the client is empty." ) ; } String authHeaderBase64String ; int beginIndex ; if ( isKerberosAuthMode ( authType ) ) { beginIndex = ( HttpAuthUtils . NEGOTIATE + " " ) . length ( ) ; } else { beginIndex = ( HttpAuthUtils . BASIC + " " ) . length ( ) ; } authHeaderBase64String = authHeader . substring ( beginIndex ) ; // Authorization header must have a payload if ( authHeaderBase64String == null || authHeaderBase64String . isEmpty ( ) ) { throw new HttpAuthenticationException ( "Authorization header received " + "from the client does not contain any data." ) ; } return authHeaderBase64String ; }
Returns the base64 encoded auth header payload