protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
User userObj = new User();
UserManagement uDao = new UserManagement();
if (Session["userType"].ToString() == Reference.USR_ADM)
{
userObj = uDao.getAdminByID(Session["userID"].ToString());
}
else
{
userObj = uDao.getUserByID(Session["userID"].ToString());
}
tbName.Text = userObj.Name;
tbContact.Text = userObj.ContactNumber;
}
}
protected void diffUserView()
{
//VIC: the user of the session key username is misleading, it should be usertype right?
if ((string)Session["userType"] == Reference.USR_ADM)
{
UserView.Visible = false;
AdminView.Visible = true;
User userObj = new User();
UserManagement uDao = new UserManagement();
userObj = uDao.getAdminByID(Session["userID"].ToString());
lbAdminName.Text = userObj.Name;
lbAdminEmail.Text = userObj.Email;
lbAdminContact.Text = userObj.ContactNumber;
lbAdminType.Text = uDao.getUserType(userObj.Type);
lbAdminStatus.Text = uDao.getUserStatus(userObj.Status);
}
//VIC: the condition is redundant, if the above condition is false which already means username is not admin, there is no need for this statement as it will always be true
else
{
UserView.Visible = true;
AdminView.Visible = false;
User userObj = new User();
UserManagement uDao = new UserManagement();
userObj = uDao.getUserByID(Session["userID"].ToString());
lbName.Text = userObj.Name;
lbEmail.Text = userObj.Email;
lbContact.Text = userObj.ContactNumber;
lbUserType.Text = uDao.getUserType(userObj.Type);
lbCompany.Text = userObj.CompanyName;
lbStatus.Text = uDao.getUserStatus(userObj.Status);
}
}
protected void btnUpdate_Click(object sender, EventArgs e)
{
UserManagement uDao = new UserManagement();
User uObj = new User();
if (Session["userType"].ToString() == Reference.USR_ADM)
{
uObj = uDao.getAdminByID(Session["userID"].ToString());
}
else
{
uObj = uDao.getUserByID(Session["userID"].ToString());
}
string uName = tbName.Text;
string uContact = tbContact.Text;
string lastUpdBy = Session["userID"].ToString();
string lastUpdOn = DateTime.Now.ToString("MM/dd/yyyy h:mm tt");
//initialise hash password
string uPswdHash = "";
//initalise salted password
string uPswdSalt = "";
int testing = 1;
//pswdmatch=1
int pswdMatch = 1;
//if empty make password hash and salt same
if (CurrentPassword.Text == "" && CurrentPassword.Visible == false || tbPswd.Text == "" || tbCPswd.Text == "" || (tbPswd.Text == "" && tbCPswd.Text == ""))
{
uPswdHash = (string)uObj.PasswordHash;
uPswdSalt = (string)uObj.PasswordSalt;
Boolean insCnt = uDao.updateCurrentUser(Session["userID"].ToString(), uName, uContact, uPswdHash, uPswdSalt, lastUpdBy, lastUpdOn);
tbName.Text = String.Empty;
tbContact.Text = String.Empty;
alertSuccess.Visible = true;
}
else
{
string passwordhashlol = uObj.PasswordHash;
// convert into bytes
byte[] hashbyteslol = Convert.FromBase64String(passwordhashlol);
// take the salt out of the string
byte[] saltlol = new byte[16];
Array.Copy(hashbyteslol, 0, saltlol, 0, 16);
// hash the entered Current password
var pbkdf2lol = new Rfc2898DeriveBytes(CurrentPassword.Text, saltlol, 10000);
byte[] hashlol = pbkdf2lol.GetBytes(20);
for (int i = 0; i < 20; i++)
{
if (hashbyteslol[i + 16] != hashlol[i])
{
pswdMatch = 0;
}
}
if (pswdMatch == 1)
{
if (tbPswd.Text == tbCPswd.Text)
{
byte[] salt;
// generate salt
new RNGCryptoServiceProvider().GetBytes(salt = new byte[16]);
// hash and salt using PBKDF2
var pbkdf2 = new Rfc2898DeriveBytes(tbCPswd.Text, salt, 10000);
// place string in byte array
byte[] hash = pbkdf2.GetBytes(20);
// make new byte array to store hashed password + salt
// 36 --> 16(salt) + 20(hash)
byte[] hashbytes = new byte[36];
Array.Copy(salt, 0, hashbytes, 0, 16);
Array.Copy(hash, 0, hashbytes, 16, 20);
string PasswordHash = Convert.ToBase64String(hashbytes);
string PasswordSalt = Convert.ToBase64String(salt);
uPswdHash = PasswordHash;
uPswdSalt = PasswordSalt;
Boolean insCnt = uDao.updateCurrentUser(Session["userID"].ToString(), uName, uContact, uPswdHash, uPswdSalt, lastUpdBy, lastUpdOn);
tbName.Text = String.Empty;
tbContact.Text = String.Empty;
alertSuccess.Visible = true;
alertDanger.Visible = false;
}
}
else
{
alertDanger.Visible = true;
alertSuccess.Visible = false;
}
}
}
