internal static bool GetUcwaUrlFromHttpWebResponse(HttpWebResponse response, ICredentials credentials, int redirectCount, out string ucwaUrl)
{
ucwaUrl = string.Empty;
try
{
using (Stream responseStream = response.GetResponseStream())
{
using (StreamReader streamReader = new StreamReader(responseStream))
{
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.LoadXml(streamReader.ReadToEnd());
using (XmlNodeList xmlNodeList = xmlDocument.SelectNodes("AutodiscoverResponse/User/Link"))
{
if (xmlNodeList.Count == 0)
{
return(false);
}
string redirectUrl = LyncAutodiscoverWorker.GetRedirectUrl(xmlNodeList);
if (!string.IsNullOrEmpty(redirectUrl))
{
ucwaUrl = LyncAutodiscoverWorker.ExecuteAuthenticatedLyncAutodiscoverRedirect(redirectUrl, credentials, redirectCount + 1);
}
else
{
ucwaUrl = LyncAutodiscoverWorker.GetTargetAttributeValue(xmlNodeList, "href", "token", "Internal/Ucwa");
if (string.IsNullOrEmpty(ucwaUrl))
{
ucwaUrl = LyncAutodiscoverWorker.GetTargetAttributeValue(xmlNodeList, "href", "token", "External/Ucwa");
}
}
}
}
}
}
catch (Exception)
{
return(false);
}
return(true);
}
internal static bool GetAuthenticatedAutodiscoverEndpointFromHttpWebResponse(HttpWebResponse response, int redirectCount, out string endpoint)
{
endpoint = string.Empty;
try
{
using (Stream responseStream = response.GetResponseStream())
{
using (StreamReader streamReader = new StreamReader(responseStream))
{
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.LoadXml(streamReader.ReadToEnd());
using (XmlNodeList xmlNodeList = xmlDocument.SelectNodes("AutodiscoverResponse/Root/Link"))
{
if (xmlNodeList.Count == 0)
{
return(false);
}
string redirectUrl = LyncAutodiscoverWorker.GetRedirectUrl(xmlNodeList);
if (!string.IsNullOrEmpty(redirectUrl))
{
endpoint = LyncAutodiscoverWorker.ExecuteAnonymousLyncAutodiscoverRedirect(redirectUrl, redirectCount + 1);
}
else
{
endpoint = LyncAutodiscoverWorker.GetTargetAttributeValue(xmlNodeList, "href", "token", "OAuth");
}
}
}
}
}
catch (Exception)
{
return(false);
}
return(true);
}
internal static string GetRedirectUrl(XmlNodeList linkNodes)
{
return(LyncAutodiscoverWorker.GetTargetAttributeValue(linkNodes, "href", "token", "Redirect"));
}