protected void Session_Start(object sender, EventArgs e)
{
foreach (AppSessionItem item in AppSession.AppSessionConfig.SessionItems)
{
AppSession.SetSession(item.Name, item.Value, Session);
}
AppSession.SetSession("CSRF_TOKEN", AuthenUtil.GenerateToken(), Session);
}
public static QueryResult ForgetPassword(QueryParameter queryParameter)
{
QueryResult result = null;
string userID = queryParameter["USER_ID"].ToString();
IDatabaseConnector dbConnector = new DatabaseConnectorClass();
QueryParameter param = new QueryParameter();
param.Add("USER_ID", userID);
QueryResult queryResult = dbConnector.ExecuteStoredProcedure("UM_USER_Q", param);
if (queryResult.Success)
{
string userEmail = queryResult.DataTable.Rows[0]["EMAIL"].ToString();
string token = AuthenUtil.GetStringSha256Hash(AuthenUtil.GenerateToken());
param = new QueryParameter();
param.Add("USER_ID", userID);
param.Add("TOKEN", token);
result = dbConnector.ExecuteStoredProcedure("APP_FORGET_PWD_TOKEN_I", param);
if (result.Success)
{
string passwordResetUrl = string.Format("http://localhost/WebApp/resetpassword.aspx?userID={0}&token={1}", userID, token);
QueryParameter mailParameter = new QueryParameter();
mailParameter.Add("MAIL_TO", userEmail);
mailParameter.Add("MAIL_SUBJECT", "Reset Password");
mailParameter.Add("MAIL_BODY", string.Format(@"
<h1>Reset Password</h1>
<div>
You have requested to reset password for account {0} <br/>
<b>Plase contact administrator if you have not issued reset password request.</b>
</div>
<br/>
Click <a href=""{1}"">here</a> to reset password.
", userID, passwordResetUrl));
result = MailUtil.SendEmail(mailParameter);
}
}
else
{
result = new QueryResult();
result.Success = false;
result.Message = "USER_NOT_EXIST";
}
return(result);
}
public static QueryResult UpdateUser(QueryParameter queryParameter)
{
queryParameter = new QueryParameter(queryParameter.Parameter);
if (queryParameter.Parameter.ContainsKey("PASSWORD"))
{
string password = queryParameter["PASSWORD"].ToString();
string hashPassword = AuthenUtil.GetStringSha256Hash(password);
queryParameter.Add("PASSWORD", hashPassword);
}
IDatabaseConnector dbConnector = new DatabaseConnectorClass();
QueryResult queryResult = dbConnector.ExecuteStoredProcedure("UM_USER_U", queryParameter);
return(queryResult);
}
public static void Logout(HttpSessionState Session, HttpResponse Response = null)
{
IDatabaseConnector dbConnector = new DatabaseConnectorClass();
QueryParameter logoutParameter = new QueryParameter();
QueryResult logoutResult = new QueryResult();
if (Session != null)
{
if (AppSession.GetSession("USER_ID", Session) != null)
{
string userID = AppSession.GetSession("USER_ID", Session).ToString();
if (AppSession.GetSession("AUTHEN_TOKEN", Session) != null)
{
AuthenUtil.ClearToken(userID, AppSession.GetSession("AUTHEN_TOKEN", Session).ToString());
}
logoutParameter.Add("USER_ID", userID);
logoutResult = dbConnector.ExecuteStoredProcedure("SYS_I_LOGOUT", logoutParameter);
logoutResult.Success = true;
logoutResult.Message = string.Empty;
logoutResult.RemoveOutputParam("error");
}
AppSession.SetSession("USER_ID", null, Session);
AppSession.SetSession("AUTHEN_TOKEN", null, Session);
AppSession.SetSession("IS_GUEST", true, Session);
//ถ้าอยาก clear session จะต้องบังคับให้ client refresh หน้าเว็บด้วยนะ เพราะต้อง regen CSRF ด้วย
Session.Clear();
Session.Abandon();
}
if (Response != null)
{
HttpCookie authenTokenCookie = new HttpCookie("AUTHEN_TOKEN");
authenTokenCookie.Value = "";
Response.Cookies.Add(authenTokenCookie);
//ถ้าอยาก clear session จะต้องบังคับให้ client refresh หน้าเว็บด้วยนะ เพราะต้อง regen CSRF ด้วย
Response.Cookies["esrith.session.id"].Expires = DateTime.Now.AddDays(-30);
Response.ClearContent();
Response.ContentType = "application/json";
Response.Write(logoutResult.ToJson());
}
}
public static QueryResult Login(HttpContext context, QueryParameter queryParameter)
{
queryParameter = new QueryParameter(queryParameter.Parameter);
if (queryParameter.Parameter.ContainsKey("PASSWORD"))
{
string password = queryParameter["PASSWORD"].ToString();
string hashPassword = AuthenUtil.GetStringSha256Hash(password);
queryParameter.Add("PASSWORD", hashPassword);
}
IDatabaseConnector dbConnector = new DatabaseConnectorClass();
QueryResult queryResult = dbConnector.ExecuteStoredProcedure("APP_LOGIN_Q", queryParameter);
if (queryResult.Success && queryResult.DataTable != null && queryResult.DataTable.Rows.Count > 0)
{
foreach (DataColumn dataColumn in queryResult.DataTable.Columns)
{
foreach (AppSessionItem sessionItem in AppSession.AppSessionConfig.SessionItems)
{
if (sessionItem.Name.Equals(dataColumn.ColumnName))
{
AppSession.SetSession(dataColumn.ColumnName, queryResult.DataTable.Rows[0][dataColumn.ColumnName], context.Session);
break;
}
}
}
string userID = AppSession.GetSession("USER_ID", context.Session).ToString();
string token = AuthenUtil.GenerateToken();
AppSession.SetSession("AUTHEN_TOKEN", token, context.Session);
AppSession.SetSession("IS_GUEST", false, context.Session);
if (AppHttpHandler.AppHttpHandlerConfig.Security.EnableDuplicateAuthenChecking)
{
AuthenUtil.StoreToken(userID, token);
}
// ถ้าต้องการให้ retrun ค่าของ USER_ID ไปด้วยให้ลบบรรทัดนี้เลย
queryResult.DataTable.Columns.Remove("USER_ID");
}
return(queryResult);
}
public static void ProcessRequest(HttpContext context, QueryParameter queryParameter, AuthenUtil.AuthenMode authenMode)
{
//Set Encoding.
context.Response.ContentEncoding = Encoding.UTF8;
// Security checks
string errorMessage = "";
if (!AuthenUtil.IsValidAuthen(context.Request, context.Session, authenMode, out errorMessage))
{
//message can be "DUPLICATE_LOGIN", "NOT_AUTHORIZED"
throw new Exception(errorMessage);
}
if (!CSRF.IsCSRFTokenMatch(context.Session, queryParameter))
{
throw new Exception("CSRF_TOKEN_MISMATCH");
}
}
protected void Page_Load(object sender, EventArgs e)
{
string userID = Request.Params["userID"];
string token = Request.Params["token"];
if (userID != null && token != null)
{
IDatabaseConnector dbConnector = new DatabaseConnectorClass();
QueryParameter param = new QueryParameter();
QueryResult queryResult = null;
// check if userId, token is valid.
param = new QueryParameter();
param.Add("USER_ID", userID);
param.Add("TOKEN", token);
queryResult = dbConnector.ExecuteStoredProcedure("APP_FORGET_PWD_TOKEN_MATCH", param);
if (!queryResult.Success)
{
this.PasswordResetForm.Visible = false;
if (queryResult.Message == "TOKEN_EXPIRED")
{
this.Message.Text = "URL is expired";
}
else
{
this.Message.Text = "Unauthorized";
}
}
//if this request come form asp.net webform, then
// check if password == confirmpassword
if (IsPostBack)
{
string password = this.Password.Text.Trim();
string passwordConfirm = this.PasswordConfirm.Text;
if (password.Length == 0)
{
this.Message.Text = "Password is empty";
}
else if (password != passwordConfirm)
{
this.Message.Text = "Password is not match";
}
else
{
string hashPassword = AuthenUtil.GetStringSha256Hash(password);
param = new QueryParameter();
param.Add("USER_ID", userID);
param.Add("PASSWORD", hashPassword);
queryResult = dbConnector.ExecuteStoredProcedure("UM_USER_PWD_U", param);
if (queryResult.Success)
{
param = new QueryParameter();
param.Add("USER_ID", userID);
queryResult = dbConnector.ExecuteStoredProcedure("APP_FORGET_PWD_TOKEN_D", param);
this.PasswordResetForm.Visible = false;
this.Message.Text = "Password reset successful. Please go to login page.";
}
}
}
}
else
{
this.PasswordResetForm.Visible = false;
this.Message.Text = "Unauthorized";
}
}