protected void Page_Load(object sender, EventArgs e)
{
// We get the provider from the passed URL itself. This is configured in
// the global.asax file.
var provider = this.RouteData.Values["provider"].ToString();
// We fetch the clientID and clientSecret from the web.config appSettings.
var clientID = WebConfigurationManager.AppSettings["OAuth2_" + provider + "_ClientID"];
var clientSecret = WebConfigurationManager.AppSettings["OAuth2_" + provider + "_ClientSecret"];
// Fetch the access token from the session, so if we've already been logged
// in to Facebook, we can just refresh the token.
string accessToken = null;
if (Session["OAuth2_" + provider + "_AccessToken"] != null)
accessToken = Session["OAuth2_" + provider + "_AccessToken"].ToString();
// Create a new instance of the class. If we don't provide the redirectURL
// parameter, it will be automatically constructed as /login/<provider>/auth.
var oauth2 = new FederatedLogin.OAuth2(
clientID,
clientSecret,
provider,
null,
accessToken);
// Now we're ready to init the authentication part of our routine. If we
// didn't pass in any access-token or the token isn't valid, the user will
// be forwarded to the provider at this time for re-validation.
oauth2.Authenticate();
// If we're authenticated, store the user info.
if (oauth2.IsAuthorized) {
Session["OAuth2_" + provider + "_AccessToken"] = oauth2.AccessToken;
Session["OAuth2_" + provider + "_UserInfo"] = oauth2.UserInfo;
}
// If we encountered an error, log it!
if (oauth2.Error != null) {
Session["OAuth2_" + provider + "_Error"] = oauth2.Error;
Session["OAuth2_" + provider + "_ErrorReason"] = oauth2.ErrorReason;
Session["OAuth2_" + provider + "_ErrorDescription"] = oauth2.ErrorDescription;
}
// Redirect back to default.aspx.
Response.Redirect("/");
}
protected void Page_Load(object sender, EventArgs e)
{
// We get the provider from the passed URL itself. This is configured in
// the global.asax file.
var provider = this.RouteData.Values["provider"].ToString();
// We fetch the clientID and clientSecret from the web.config appSettings.
var clientID = WebConfigurationManager.AppSettings["OAuth2_" + provider + "_ClientID"];
var clientSecret = WebConfigurationManager.AppSettings["OAuth2_" + provider + "_ClientSecret"];
// Create a new instance of the class. Since this is the return trip-code
// for this website, we don't need to give redirectURL and accessToken.
var oauth2 = new FederatedLogin.OAuth2(
clientID,
clientSecret,
provider);
// Attempt to handle the response from the server and verify the login.
oauth2.HandleResponse();
// If we're authenticated, store the user info.
if (oauth2.IsAuthorized) {
Session["OAuth2_" + provider + "_AccessToken"] = oauth2.AccessToken;
Session["OAuth2_" + provider + "_UserInfo"] = oauth2.UserInfo;
}
// If we encountered an error, log it!
if (oauth2.Error != null) {
Session["OAuth2_" + provider + "_Error"] = oauth2.Error;
Session["OAuth2_" + provider + "_ErrorReason"] = oauth2.ErrorReason;
Session["OAuth2_" + provider + "_ErrorDescription"] = oauth2.ErrorDescription;
}
// Redirect back to default.aspx.
Response.Redirect("/");
}
