public static XmlDocument CheckHeaders(XmlDocument xmlDoc)
{
XmlElement envelope = xmlDoc.DocumentElement;
XmlElement headerOrBody = (XmlElement)envelope.ChildNodes[0];
XmlElement header = null;
XmlElement body = null;
if (headerOrBody.LocalName == Elem.Header)
{
header = (XmlElement)envelope.ChildNodes[0];
body = (XmlElement)envelope.ChildNodes[1];
}
else //no header
{
body = (XmlElement)envelope.ChildNodes[0];
}
if (header != null)
{
XmlElement tsElem = LameXpath.SelectSingleNode(header, Elem.Timestamp);
if (tsElem != null)
{
XmlElement creElem = LameXpath.SelectSingleNode(tsElem, Elem.Created);
XmlElement expElem = LameXpath.SelectSingleNode(tsElem, Elem.Expires);
string cre = creElem.InnerText;
string exp = expElem.InnerText;
if (exp.CompareTo(cre) == -1) //less than
{
throw new Exception("Timestamp expired before creation");
}
bool retVal = TimestampHeader.IsExpired(exp);
if (retVal == true)
{
throw new Exception("response TimeStamp is expired");
}
}
}
return(xmlDoc);
}
public bool IsExpired()
{
bool retVal = TimestampHeader.IsExpired(Expires.text);
return(retVal);
}
