{

tfsServer.Authenticate();

}

Web Service

using System;

using System.Web;

using System.Web.Services;

using System.Web.Services.Protocols;

using System.Net.Mail;

using System.Xml.Serialization;

using System.IO;

using System.Text;

using System.Xml.Xsl;

using System.Xml.XPath;

using System.Xml;

using System.Configuration;

using System.DirectoryServices;

[WebService(Namespace = "http://CC.WF.PM/")]

[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

public class NotificationClerk : System.Web.Services.WebService

public int intCount

get { return (Application["Count"] == null)? 0: (int)Application["Count"]; }

set { Application["Count"] = value; }

[SoapDocumentMethod(Action = "http://schemas.microsoft.com/TeamFoundation/2005/06/Services/Notification/03/Notify", RequestNamespace = "http://schemas.microsoft.com/TeamFoundation/2005/06/Services/Notification/03")]

[WebMethod]

public void Notify(string eventXml, string tfsIdentityXml)

// Load the recieved XML into a XMLDocument

XmlDocument eventXmlDoc = new XmlDocument();

XmlElement eventData = eventXmlDoc.DocumentElement;

// Validate event data

if (eventData != null && ValidateEventData(eventData))

// Get assigned user's name from event data

string toName = GetDisplayName(eventData);

// Retrieve assigned user's e-mail address from Active Directory

string toAddress = GetAddress(toName);

// If the e-mail addres was found in AD, send the e-mail

if (toAddress != String.Empty)

SendMail(new MailAddress(toAddress, toName), eventData, GetBody(eventXml));

[WebMethod]

public int GetCount()

return intCount;

private string GetAddress(string userDisplayName)

// Bind DirectorySearcher to current domain

DirectorySearcher searcher = new DirectorySearcher();

// We only need user email

searcher.PropertiesToLoad.Add("mail");

// Set the filters. We only want Users whose Display Name is userDisplayName

searcher.Filter = String.Format("(&(displayName={0})(objectCategory=person)((objectClass=user)))", userDisplayName);

// Retrieve results

SearchResultCollection results = searcher.FindAll();

// Check if the user was found

if (results.Count > 0)

// Check if the user has the email set in AD

ResultPropertyValueCollection values = results[0].Properties["mail"];

if (values.Count > 0)

return values[0].ToString();

else

return String.Empty;

else

return String.Empty;

private string GetBody(string eventXml)

// Load XSL

XslCompiledTransform xslt = new XslCompiledTransform();

xslt.Load(Server.MapPath(ConfigurationManager.AppSettings["MailXSL"]));

// Create XPathDocument with event data

XPathDocument xpathDoc = new XPathDocument(new StringReader(eventXml));

// Make the transformation

MemoryStream stream = new MemoryStream();

xslt.Transform(xpathDoc, new XmlTextWriter(stream, Encoding.UTF8));

return Encoding.UTF8.GetString(stream.ToArray());

private void SendMail(MailAddress to, XmlElement eventData, string body)

MailMessage mail = new MailMessage(

new MailAddress(ConfigurationManager.AppSettings["MailAddressFrom"], ConfigurationManager.AppSettings["MailFromName"]),

mail.IsBodyHtml = true;

// Get data for the ReplyTo address

string fromName = GetChangedBy(eventData);

string fromAddress = GetAddress(fromName);

if (fromAddress != String.Empty)

mail.ReplyTo = new MailAddress(fromAddress, fromName);

mail.Subject = String.Format("{0} assigned you a {1}", fromName, GetWorkItemType(eventData).ToLower());

SmtpClient smtp = new SmtpClient(ConfigurationManager.AppSettings["SMTPServer"]);

smtp.Credentials = new System.Net.NetworkCredential(ConfigurationManager.AppSettings["SMTPUser"], ConfigurationManager.AppSettings["SMTPPassword"]);

private string GetWorkItemType(XmlElement eventData)

return eventData.SelectSingleNode("CoreFields/StringFields/Field[ReferenceName='System.WorkItemType']/NewValue").InnerText;

private string GetChangedBy(XmlElement eventData)

return eventData.SelectSingleNode("CoreFields/StringFields/Field[ReferenceName='System.ChangedBy']/NewValue").InnerText;

private string GetDisplayName(XmlElement eventData)

return eventData.SelectSingleNode("CoreFields/StringFields/Field[ReferenceName='System.AssignedTo']/NewValue").InnerText;

private bool ValidateEventData(XmlElement eventData)

// Check if the Assigned To field changed

XmlNode assignedTo = eventData.SelectSingleNode("ChangedFields/StringFields/Field[ReferenceName='System.AssignedTo']");

if (assignedTo != null)

// Check that the assigned user is different to the user that changed the work item

XmlNode changedBy = eventData.SelectSingleNode("CoreFields/StringFields/Field[ReferenceName='System.ChangedBy']");

return (assignedTo.SelectSingleNode("NewValue").InnerText != changedBy.SelectSingleNode("NewValue").InnerText);

else

return false;