protected void LoginButtonClick(object sender, EventArgs e)
{
//check for empty text boxes
if (UsernameTextBox.Text.Length == 0)
{
StatusLabel.Text = "Enter a username";
StatusLabel.ForeColor = System.Drawing.Color.Red;
return;
}
if (PasswordTextBox.Text.Length == 0)
{
StatusLabel.Text = "Enter a password";
StatusLabel.ForeColor = System.Drawing.Color.Red;
return;
}
//open the xml document and check if user exists
//if so, sign them in and start their session
XmlDocument membersXML = new XmlDocument();
membersXML.Load(Server.MapPath("~/App_Data/Member.xml"));
XmlNodeList membersList = membersXML.SelectNodes("Members/Member");
for (int i = 0; i < membersList.Count; i++)
{
if (membersList.Item(i).FirstChild.InnerText == UsernameTextBox.Text && membersList.Item(i).LastChild.InnerText == ExtraFunctions.HashFunction(PasswordTextBox.Text).ToString())
{
Session["Username"] = UsernameTextBox.Text;
Session["Sid"] = Session.SessionID;
Response.Redirect("Member/Member");
}
}
}
protected void RegisterButtonClick(object sender, EventArgs e)
{
//check image verifier
if (!Session["verifyString"].ToString().ToLower().Equals(ImageVerifierTextBox.Text.ToLower()))
{
StatusLabel.Text = "Image verification not correct";
StatusLabel.ForeColor = System.Drawing.Color.Red;
return;
}
//check if textboxes are empty
if (UsernameTextBox.Text.Length == 0)
{
StatusLabel.Text = "Enter a username";
StatusLabel.ForeColor = System.Drawing.Color.Red;
return;
}
if (PasswordTextBox.Text.Length == 0)
{
StatusLabel.Text = "Enter a password";
StatusLabel.ForeColor = System.Drawing.Color.Red;
return;
}
//check if username is already in the xml file
XmlDocument membersXML = new XmlDocument();
membersXML.Load(Server.MapPath("~/App_Data/Member.xml"));
XmlNodeList membersList = membersXML.SelectNodes("Members/Member");
for (int i = 0; i < membersList.Count; i++)
{
if (membersList.Item(i).FirstChild.InnerText == UsernameTextBox.Text)
{
StatusLabel.Text = "Username already exists";
StatusLabel.ForeColor = System.Drawing.Color.Red;
return;
}
}
//create a new user in the file
XmlElement newMember = membersXML.CreateElement("Member");
XmlElement newMemberUserName = membersXML.CreateElement("UserName");
XmlElement newMemberPassword = membersXML.CreateElement("Password");
newMemberUserName.InnerText = UsernameTextBox.Text;
//hash the password
newMemberPassword.InnerText = ExtraFunctions.HashFunction(PasswordTextBox.Text).ToString();
newMember.AppendChild(newMemberUserName);
newMember.AppendChild(newMemberPassword);
membersXML.DocumentElement.AppendChild(newMember);
membersXML.Save(Server.MapPath("~/App_Data/Member.xml"));
StatusLabel.Text = "User created";
StatusLabel.ForeColor = System.Drawing.Color.Black;
//add username to cookies for easier logging in in the future
if (Response.Cookies["UserData"] != null & Response.Cookies["UserData"]["Username"] != null)
{
Response.Cookies["UserData"]["Username"] = UsernameTextBox.Text;
}
else
{
HttpCookie usernameCookie = new HttpCookie("UserData");
usernameCookie["Username"] = UsernameTextBox.Text;
usernameCookie.Expires = DateTime.Now.AddDays(1d);
Response.Cookies.Add(usernameCookie);
}
}
protected void LoginButtonClick(object sender, EventArgs e)
{
//check for empty text boxes
if (UsernameTextBox.Text.Length == 0)
{
StatusLabel.Text = "Enter a username";
StatusLabel.ForeColor = System.Drawing.Color.Red;
return;
}
if (PasswordTextBox.Text.Length == 0)
{
StatusLabel.Text = "Enter a password";
StatusLabel.ForeColor = System.Drawing.Color.Red;
return;
}
//open the xml document and check if user exists
//if so, sign them in and start their session
XmlDocument membersXML = new XmlDocument();
membersXML.Load(Server.MapPath("~/App_Data/Member.xml"));
XmlNodeList membersList = membersXML.SelectNodes("Members/Member");
for (int i = 0; i < membersList.Count; i++)
{
if (membersList.Item(i).FirstChild.InnerText == UsernameTextBox.Text && membersList.Item(i).LastChild.InnerText == ExtraFunctions.HashFunction(PasswordTextBox.Text).ToString())
{
Session["Username"] = UsernameTextBox.Text;
Session["Sid"] = Session.SessionID;
Session["IsAdmin"] = "false";
Response.Redirect("Member/Member");
}
}
//add username to cookies for easier logging in in the future
if (Response.Cookies["UserData"] != null & Response.Cookies["UserData"]["Username"] != null)
{
Response.Cookies["UserData"]["Username"] = UsernameTextBox.Text;
}
else
{
HttpCookie usernameCookie = new HttpCookie("UserData");
usernameCookie["Username"] = UsernameTextBox.Text;
usernameCookie.Expires = DateTime.Now.AddDays(1d);
Response.Cookies.Add(usernameCookie);
}
}
