public static void SetAuthCookie(string userName, bool createPersistentCookie)
{
var authCookie = new OpenNETCF.Web.HttpCookie(FormsCookieName);
authCookie.Values["UID"] = userName;
authCookie.Domain = FormsAuthentication.CookieDomain;
authCookie.Expires = DateTime.Now.Add(FormsAuthentication.Timeout);
if (createPersistentCookie)
{
}
HttpContext.Current.Response.SetCookie(authCookie);
}
private void DisplayAuthenticated(bool viaCookie, string UID)
{
//This will display to the user a few pieces of information about the session data stored
Document doc = new Document();
doc.Head = new DocumentHead("OpenNETCF Padarn Web Server", new StyleInfo("css/SampleSite.css"));
Utility.AddPadarnHeaderToDocument(doc, true, "Execute");
Div containerDiv = new Div("container");
Form form = new Form("CookieWork.aspx", FormMethod.Post);
if (viaCookie)
{
form.Add(new RawText(String.Format("Your are authenticated via cookie")));
}
else
{
form.Add(new RawText(String.Format("Your are authenticated via normal credentials")));
}
form.Add(new LineBreak());
form.Add(new RawText(String.Format("Cookie last visit on {0}", Request.Cookies[COOKIENAME][COOKIEVAL_LAST_VISIT] == null ?
"NEVER" : DateTime.Parse(Request.Cookies[COOKIENAME][COOKIEVAL_LAST_VISIT]).ToString())));
form.Add(new LineBreak());
form.Add(new RawText(String.Format("Cookie GUID is {0}", Request.Cookies[COOKIENAME][COOKIEVAL_GUID])));
//Let the user log out at any point
form.Add(new LineBreak());
form.Add(new LineBreak());
form.Add(new Button(new ButtonInfo(ButtonType.Submit, "Log Out")));
form.Add(new Hidden("LogOut", UID));
containerDiv.Add(form);
doc.Body.Add(containerDiv);
if (Request.Cookies.Count > 0 && Request.Cookies[COOKIENAME] != null)
{
//Modify cookie to show we've been here before
OpenNETCF.Web.HttpCookie myCookie = Request.Cookies[0];
myCookie.Values[COOKIEVAL_LAST_VISIT] = DateTime.Now.ToString();
Response.SetCookie(myCookie);
}
//Write out the response
Response.Write(doc.OuterHtml);
Response.Flush();
}
protected override void Page_Load(object sender, EventArgs e)
{
if (Request.Form.Count > 0)
{
if (Request.Form["Submit"] != null)
{
string UID = Request.Form["UserName"];
string PW = Request.Form["PW"];
Guid uoGuid = Authentication.ValidateUser(UID, PW);
if (uoGuid != Guid.Empty)
{
//1. Set GUID in Cookie
OpenNETCF.Web.HttpCookie myCookie = new OpenNETCF.Web.HttpCookie(COOKIENAME);
myCookie.Values[COOKIEVAL_USER_NAME] = UID;
myCookie.Values[COOKIEVAL_GUID] = uoGuid.ToString();
myCookie.Values[COOKIEVAL_LAST_VISIT] = DateTime.Now.ToString();
myCookie.Expires = DateTime.Now.AddDays(1);
if (Request.Browser.Cookies)
{
//2. Verify browser can accept cookies
Response.SetCookie(myCookie);
}
//3. Do redirect to authenticated page
Response.Redirect("CookieWork.aspx");
}
else
{
//Show bad credentials screen
DisplayLoginForm(true);
}
}
else if (Request.Form["LogOut"] != null)
{
//1. Perform log-out
string UID = Request.Form["LogOut"];
Authentication.LogOff(UID);
//2. Delete cookie
if (Request.Cookies[COOKIENAME] != null)
{
OpenNETCF.Web.HttpCookie myCookie = Request.Cookies[COOKIENAME];
myCookie.Expires = DateTime.Now.AddDays(-1);
if (Request.Browser.Cookies)
{
//Verify browser can accept cookies
Response.SetCookie(myCookie);
}
}
//3. Refresh page
Response.Redirect("CookieWork.aspx");
}
}
else
{
//Check GUID in cookie; redirect to authenticated page if so
if (Request.Cookies[COOKIENAME] != null && Request.Cookies[COOKIENAME].HasKeys)
{
string guidCookie = Request.Cookies[COOKIENAME].Values[COOKIEVAL_GUID];
Guid g = new Guid(guidCookie);
Authentication.UserObject uo;
if (!(uo = Authentication.ValidateUser(g)).Null && !uo.IsGuidExpired())
{
if (Request.Cookies[COOKIENAME][COOKIEVAL_LAST_VISIT] == null)
{
//We got here upon manual passage of credentials
DisplayAuthenticated(false, uo.UserName);
}
else
{
//We got here by reading cookie
DisplayAuthenticated(true, uo.UserName);
}
}
else
{
//We need to re-authenticate because GUID is invalid or expired
DisplayLoginForm(false);
}
}
else
{
//We need to re-authenticate; no cookie was found
DisplayLoginForm(false);
}
}
}
