internal static ClarifySession GetSession(AuthenticationHeader header)
{
if (header == null
|| header.SessionID == null
|| header.SessionID.Trim().Length == 0)
{
throw new InvalidOperationException("No Authentication Header provided.");
}
Guid sessionGuid = new Guid(header.SessionID);
if (!ClarifyApplication.Instance.IsSessionValid(sessionGuid))
{
throw new InvalidOperationException(String.Format("Session with ID '{0}' does not exist or is no longer valid.", sessionGuid));
}
return ClarifyApplication.Instance.GetSession(sessionGuid);
}