AppMetrics.WebUtils.BasicAuthenticationModule.ParseAuthHeader C# (CSharp) Method

        private static string[] ParseAuthHeader(string authHeader)
        {
            if (string.IsNullOrEmpty(authHeader) || !authHeader.StartsWith("Basic"))
                return null;

            var base64Credentials = authHeader.Substring(6);
            var credentialsText = Encoding.ASCII.GetString(Convert.FromBase64String(base64Credentials));
            var credentials = credentialsText.Split(new[] { ':' });

            if (credentials.Length != 2 || string.IsNullOrEmpty(credentials[0]) || string.IsNullOrEmpty(credentials[1]))
                return null;

            return credentials;
        }