MembershipUser.LastPasswordChangedDate 속성

참조

정의

네임스페이스:: System.Web.Security

어셈블리:: System.Web.dll

어셈블리:: System.Web.ApplicationServices.dll

중요

일부 정보는 릴리스되기 전에 상당 부분 수정될 수 있는 시험판 제품과 관련이 있습니다. Microsoft는 여기에 제공된 정보에 대해 어떠한 명시적이거나 묵시적인 보증도 하지 않습니다.

멤버 자격 사용자의 암호를 마지막으로 업데이트한 날짜와 시간을 가져옵니다.

public:
 virtual property DateTime LastPasswordChangedDate { DateTime get(); };

public virtual DateTime LastPasswordChangedDate { get; }

member this.LastPasswordChangedDate : DateTime

Public Overridable ReadOnly Property LastPasswordChangedDate As DateTime

속성 값

DateTime

멤버 자격 사용자의 암호를 마지막으로 수정한 날짜 및 시간입니다.

예제

다음 코드 예제에서는 지정된 일 수 후에 암호가 만료되었음을 나타내는 로그인 페이지를 보여줍니다. LastPasswordChangedDate 현재 날짜 및 시간보다 이전인 경우 암호 만료에 대해 지정된 일 수를 뺀 경우 사용자에게 암호를 변경하라는 지시가 표시됩니다.

중요

이 예제에서는 잠재적 보안 위협을 사용자 입력을 허용 하는 텍스트 상자가 포함 되어 있습니다. 기본적으로 ASP.NET 웹 페이지는 사용자 입력 내용에 스크립트 또는 HTML 요소가 포함되어 있지 않은지 확인합니다. 자세한 내용은 Script Exploits Overview를 참조하세요.

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Security" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

double passwordExpiresDays = 90;

public void Login_OnClick(object sender, EventArgs args)
{
   MembershipUser u = Membership.GetUser(UsernameTextbox.Text);

   if (u == null)
   {
     Msg.Text = "Invalid user name. Please check your user name and try again.";
     return;
   }

   if (Membership.ValidateUser(UsernameTextbox.Text, PasswordTextbox.Text))
   {
      if (u.LastPasswordChangedDate.AddDays(passwordExpiresDays) < DateTime.Now)
      {
        Msg.Text = "Your password has expired. Please change your password to a new value.";
        UsernameLabel.Text = UsernameTextbox.Text;
        ChangePasswordPanel.Visible = true;
        LoginPanel.Visible = false;
      }
      else
      {
        FormsAuthentication.RedirectFromLoginPage(UsernameTextbox.Text, NotPublicCheckBox.Checked);
      }
   }
   else
   {
     Msg.Text = "Invalid password. Please check your password and try again.";
   }
}

public void ChangePassword_OnClick(object sender, EventArgs args)
{
  // Update the password.

  MembershipUser u = Membership.GetUser(UsernameLabel.Text);

  if (u.ChangePassword(OldPasswordTextbox.Text, NewPasswordTextbox.Text))
  {
    Msg.Text = "Password changed.";
    ChangePasswordPanel.Visible = false;
    LoginPanel.Visible = true;
  }
  else
  {
    Msg.Text = "Password change failed. Please re-enter your values and try again.";
  }
}

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
  <title>Login</title>
</head>
<body>

<form id="form1" runat="server">
  <h3>Login</h3>

  <asp:Label id="Msg" ForeColor="maroon" runat="server" /><br />

  <asp:Panel id="LoginPanel" runat="Server">

    Username: <asp:Textbox id="UsernameTextbox" runat="server" /><br />
    Password: <asp:Textbox id="PasswordTextbox" runat="server" TextMode="Password" /><br />
 
    <asp:Button id="LoginButton" Text="Login" OnClick="Login_OnClick" runat="server" />
    <asp:CheckBox id="NotPublicCheckBox" runat="server" /> Check here if this is <span style="text-decoration:underline">not</span> a public computer.

  </asp:Panel>

  <asp:Panel id="ChangePasswordPanel" runat="Server" Visible="False">
    <table cellpadding="3" border="0">
      <tr>
        <td>Username:</td>
        <td><b><asp:Label id="UsernameLabel" runat="server" /></b></td>
        <td></td>
      </tr>
      <tr>
        <td>Old Password:</td>
        <td><asp:Textbox id="OldPasswordTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="OldPasswordRequiredValidator" runat="server"
                                        ControlToValidate="OldPasswordTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>Password:</td>
        <td><asp:Textbox id="NewPasswordTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="PasswordRequiredValidator" runat="server"
                                        ControlToValidate="NewPasswordTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>Confirm Password:</td>
        <td><asp:Textbox id="PasswordConfirmTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="PasswordConfirmRequiredValidator" runat="server"
                                        ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" />
            <asp:CompareValidator id="PasswordConfirmCompareValidator" runat="server"
                                        ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
                                        Display="Static" ControlToCompare="PasswordTextBox"
                                        ErrorMessage="Confirm password must match password." />
        </td>
      </tr>
      <tr>
        <td></td>
        <td><asp:Button id="ChangePasswordButton" Text="Change Password" 
                        OnClick="ChangePassword_OnClick" runat="server" /></td>
      </tr>
    </table>
  </asp:Panel>

</form>
<br />

</body>
</html>

<%@ Page Language="VB" %>
<%@ Import Namespace="System.Web.Security" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

Dim passwordExpiresDays As Double = 90

Public Sub Login_OnClick(sender As Object, args As EventArgs)

   Dim u As MembershipUser = Membership.GetUser(UsernameTextbox.Text)

   If u Is Nothing Then
     Msg.Text = "Invalid user name. Please check your user name and try again."
     Return
   End If

   If Membership.ValidateUser(UsernameTextbox.Text, PasswordTextbox.Text) Then
      If u.LastPasswordChangedDate.AddDays(passwordExpiresDays) < DateTime.Now Then
        Msg.Text = "Your password has expired. Please change your password to a new value."
        UsernameLabel.Text = UsernameTextbox.Text
        ChangePasswordPanel.Visible = True
        LoginPanel.Visible = False
      Else
        FormsAuthentication.RedirectFromLoginPage(UsernameTextbox.Text, NotPublicCheckBox.Checked)
      End If
   Else
     Msg.Text = "Invalid password. Please check your password and try again."
   End If
End Sub

Public Sub ChangePassword_OnClick(sender As Object, args As EventArgs)

  ' Update the password.

  Dim u As MembershipUser = Membership.GetUser(UsernameLabel.Text)

  If u.ChangePassword(OldPasswordTextbox.Text, NewPasswordTextbox.Text) Then
    Msg.Text = "Password changed."
    ChangePasswordPanel.Visible = False
    LoginPanel.Visible = True
  Else
    Msg.Text = "Password change failed. Please re-enter your values and try again."
  End If
End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
  <title>Login</title>
</head>
<body>

<form id="form1" runat="server">
  <h3>Login</h3>

  <asp:Label id="Msg" ForeColor="maroon" runat="server" /><br />

  <asp:Panel id="LoginPanel" runat="Server">

    Username: <asp:Textbox id="UsernameTextbox" runat="server" /><br />
    Password: <asp:Textbox id="PasswordTextbox" runat="server" TextMode="Password" /><br />
 
    <asp:Button id="LoginButton" Text="Login" OnClick="Login_OnClick" runat="server" />
    <asp:CheckBox id="NotPublicCheckBox" runat="server" /> Check here if this is <span style="text-decoration:underline">not</span> a public computer.

  </asp:Panel>

  <asp:Panel id="ChangePasswordPanel" runat="Server" Visible="False">
    <table cellpadding="3" border="0">
      <tr>
        <td>Username:</td>
        <td><b><asp:Label id="UsernameLabel" runat="server" /></b></td>
        <td></td>
      </tr>
      <tr>
        <td>Old Password:</td>
        <td><asp:Textbox id="OldPasswordTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="OldPasswordRequiredValidator" runat="server"
                                        ControlToValidate="OldPasswordTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>Password:</td>
        <td><asp:Textbox id="NewPasswordTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="PasswordRequiredValidator" runat="server"
                                        ControlToValidate="NewPasswordTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>Confirm Password:</td>
        <td><asp:Textbox id="PasswordConfirmTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="PasswordConfirmRequiredValidator" runat="server"
                                        ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" />
            <asp:CompareValidator id="PasswordConfirmCompareValidator" runat="server"
                                        ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
                                        Display="Static" ControlToCompare="PasswordTextBox"
                                        ErrorMessage="Confirm password must match password." />
        </td>
      </tr>
      <tr>
        <td></td>
        <td><asp:Button id="ChangePasswordButton" Text="Change Password" 
                        OnClick="ChangePassword_OnClick" runat="server" /></td>
      </tr>
    </table>
  </asp:Panel>

</form>
<br />

</body>
</html>

설명

메서드 SqlMembershipProvider 에서 LastLoginDate CreationDate멤버 자격 사용자를 만들 CreateUser 때와 동일한 날짜 및 시간으로 , 및 LastActivityDate LastPasswordChangedDate 날짜를 설정합니다.

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ASP.NET 멤버 자격 소개

MembershipUser.LastPasswordChangedDate 속성

정의

속성 값

예제

설명

적용 대상

추가 정보

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