public override YahooSession LoadSession()
{
YahooSession yahooSession = null;
if (HttpContext.Current.Session != null &&
HttpContext.Current.Session["YahooSession"] != null)
{
yahooSession = HttpContext.Current.Session["YahooSession"] as YahooSession;
}
// Load from XML when not found in the Session
if (yahooSession == null)
{
yahooSession = new YahooSession();
DataSet authenticationState = LoadAuthenticationState();
if (authenticationState != null)
{
DataRow row = GetYahooSessionRow(authenticationState);
if (row != null)
{
yahooSession.ApplicationId = row["ApplicationId"] as String;
yahooSession.Token = row["Token"] as String;
yahooSession.ApplicationData = row["ApplicationData"] as String;
yahooSession.LoginDate = (DateTime) row["LoginDate"];
yahooSession.ValidUntil = (DateTime)row["ValidUntil"];
if (yahooSession.ValidUntil > DateTime.Now &&
!String.IsNullOrEmpty(yahooSession.Token))
{
yahooSession.UpdateCredentials();
}
if (HttpContext.Current.Session != null)
{
HttpContext.Current.Session["YahooSession"] = yahooSession;
}
}
}
}
return yahooSession;
}
public override void SaveSession(YahooSession yahooSession)
{
if (HttpContext.Current.Session != null &&
HttpContext.Current.Session["YahooSession"] == null)
{
HttpContext.Current.Session["YahooSession"] = yahooSession;
}
// protected against concurrency
lock (padLock)
{
DataSet authenticationState = LoadAuthenticationState();
if (authenticationState == null)
{
authenticationState = CreateAuthenticationState();
}
DataRow row = GetYahooSessionRow(authenticationState);
if (row == null)
{
DataRow dRow = authenticationState.Tables[YahooSessionsTable].NewRow();
dRow["UserID"] = UserID;
dRow["ApplicationID"] = yahooSession.ApplicationId;
dRow["Token"] = yahooSession.Token;
dRow["ApplicationData"] = yahooSession.ApplicationData;
dRow["LoginDate"] = yahooSession.LoginDate;
dRow["ValidUntil"] = yahooSession.ValidUntil;
dRow["CreationDate"] = DateTime.Now;
dRow["ModifiedDate"] = DateTime.Now;
authenticationState.Tables[YahooSessionsTable].Rows.Add(dRow);
}
else
{
row["ApplicationID"] = yahooSession.ApplicationId;
row["Token"] = yahooSession.Token;
row["ApplicationData"] = yahooSession.ApplicationData;
row["LoginDate"] = yahooSession.LoginDate;
row["ValidUntil"] = yahooSession.ValidUntil;
row["ModifiedDate"] = DateTime.Now;
}
// write out changes
StreamWriter xmlSW = new StreamWriter(AuthenticationStateFileName);
authenticationState.WriteXml(xmlSW, XmlWriteMode.WriteSchema);
xmlSW.Close();
}
}
private void InitializeYahooSession()
{
try
{
HttpContext context = HttpContext.Current;
if (!String.IsNullOrEmpty(context.Request.QueryString["token"]) &&
!String.IsNullOrEmpty(context.Request.QueryString["appid"]))
{
YahooSession yahooSession = YahooAuthenticationProvider.Instance.LoadSession();
string signedUrl = YahooConfiguration.ApplicationEntryPoint + context.Request.Url.Query;
if (yahooSession.Authentication.IsValidSignedUrl(
new Uri(signedUrl), YahooConfiguration.SharedSecret))
{
Logger.Debug("Successful Login!");
string destinationUrl = YahooConfiguration.ApplicationEntryPoint;
string localUrl;
Dictionary <String, String> appData =
ParseApplicationData(context.Request.QueryString["appdata"]);
if (appData.ContainsKey("vslocal") &&
"true".Equals(appData["vslocal"]))
{
localUrl = String.Format("http://localhost:{0}/{1}/",
appData["port"], appData["virtdir"]);
if ("localhost".Equals(context.Request.Url.Host))
{
destinationUrl = localUrl;
}
else
{
destinationUrl = localUrl + context.Request.Url.Query;
}
}
yahooSession.Authentication.Token =
context.Request.QueryString["token"];
yahooSession.Authentication.ApplicationId =
context.Request.QueryString["appid"];
context.Session["YahooApplicationData"] =
context.Request.QueryString["appdata"];
yahooSession.Authentication.UpdateCredentials();
yahooSession.LoginDate = DateTime.Now;
YahooAuthenticationProvider.Instance.SaveSession(yahooSession);
Logger.Debug("destinationUrl: " + destinationUrl);
context.Response.Redirect(destinationUrl, true);
}
else
{
Logger.Warn("Url not valid for Yahoo BBAuth: " + context.Request.Url);
}
}
}
catch (Exception ex)
{
if (!(ex is ThreadAbortException))
{
Logger.Error(ex.Message, ex);
}
}
}
public override void SaveSession(YahooSession yahooSession)
{
throw new NotImplementedException();
}
public abstract void SaveSession(YahooSession yahooSession);
