c# read authorization header
HttpContext httpContext = HttpContext.Current;
string authHeader = this.httpContext.Request.Headers["Authorization"];
if (authHeader != null && authHeader.StartsWith("Basic")) {
string encodedUsernamePassword = authHeader.Substring("Basic ".Length).Trim();
Encoding encoding = Encoding.GetEncoding("iso-8859-1");
string usernamePassword = encoding.GetString(Convert.FromBase64String(encodedUsernamePassword));
int seperatorIndex = usernamePassword.IndexOf(':');
var username = usernamePassword.Substring(0, seperatorIndex);
var password = usernamePassword.Substring(seperatorIndex + 1);
} else {
//Handle what happens if that isn't the case
throw new Exception("The authorization header is either empty or isn't Basic.");
}