コード例 #1
0
        protected void handleEncrypt(object sender, EventArgs e)
        {
            // okay so encrypt the text and make it appear on the screen
            if (EncryptionTextbox.Text == "")
            {
                EncryptionResultsText.Text      = "Cannot be empty!";
                EncryptionResultsText.ForeColor = Color.Red;
            }

            SuperTopSecreteEncryption crypt = new SuperTopSecreteEncryption();


            try
            {
                EncryptionResultsText.Text = crypt.Encrypt(EncryptionTextbox.Text);
            } catch (Exception)
            {
                EncryptionResultsText.Text      = "Encryption failed!";
                EncryptionResultsText.ForeColor = Color.Red;
            }
        }
コード例 #2
0
        protected void Login1_Authenticate(object sender, AuthenticateEventArgs e)
        {
            bool loginSuccessful = false;

            // If the form has been submitted, then lets start validating the input
            try
            {
                xmlTextReader = new XmlTextReader(HttpContext.Current.Server.MapPath(appDataPath));

                if (xmlTextReader == null)
                {
                    loginSuccessful    = false;
                    Login1.FailureText = "An error has occured, please contact your administrator";
                    return;
                }

                string retrievedUsername;
                string retrievedPassword;
                string encryptedPassword;

                string userProvidedLogin    = Login1.UserName;
                string userProvidedPassword = Login1.Password;

                crypt = new SuperTopSecreteEncryption();

                encryptedPassword = crypt.Encrypt(userProvidedPassword);

                Login1.FailureText = encryptedPassword;

                while (xmlTextReader.Read())
                {
                    if (loginSuccessful)
                    {
                        break;
                    }

                    if (xmlTextReader.Name == "Username")
                    {
                        xmlTextReader.Read();
                        retrievedUsername = xmlTextReader.Value.ToString();

                        if (retrievedUsername == userProvidedLogin)
                        {
                            while (xmlTextReader.Read())
                            {
                                if (xmlTextReader.Name == "Password")
                                {
                                    xmlTextReader.Read();

                                    retrievedPassword = xmlTextReader.Value.ToString();
                                    encryptedPassword = crypt.Encrypt(userProvidedPassword);

                                    if (retrievedPassword == encryptedPassword)
                                    {
                                        // authentication successful
                                        loginSuccessful = true;
                                        HttpCookie cookie;
                                        cookie = new HttpCookie("non-privileged-user-cookie", FormsAuthentication.Encrypt(
                                                                    new FormsAuthenticationTicket(
                                                                        1,
                                                                        Login1.UserName,
                                                                        DateTime.Now,
                                                                        DateTime.Now.AddHours(1),
                                                                        Login1.RememberMeSet,
                                                                        "a user"
                                                                        )));
                                        Response.Cookies.Add(cookie);
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception)
            {
                Login1.FailureText = "an exception has occured!";
                return;
            }


            if (loginSuccessful)
            {
                e.Authenticated = true;
                FormsAuthentication.RedirectFromLoginPage(Login1.UserName, Login1.RememberMeSet);

                // Redirect the user to the right page
                Response.Redirect("~/Member.aspx");
            }
            else
            {
                e.Authenticated = false;
            }
        }