112

如何在新的 ASP.NET 身份系统中获取用户的密码？或者我如何在不知道当前密码的情况下重置（用户忘记密码）？

4

10 回答 10

163

Or how can I reset without knowing the current one (user forgot password)?

If you want to change a password using the UserManager but you do not want to supply the user's current password, you can generate a password reset token and then use it immediately instead.

string resetToken = await UserManager.GeneratePasswordResetTokenAsync(model.Id);
IdentityResult passwordChangeResult = await UserManager.ResetPasswordAsync(model.Id, resetToken, model.NewPassword);
于 2015-03-24T15:23:31.710 回答
110

在当前版本中

假设您已经处理了重置忘记密码请求的验证，请使用以下代码作为示例代码步骤。

ApplicationDbContext =new ApplicationDbContext()
String userId = "<YourLogicAssignsRequestedUserId>";
String newPassword = "<PasswordAsTypedByUser>";
ApplicationUser cUser = UserManager.FindById(userId);
String hashedNewPassword = UserManager.PasswordHasher.HashPassword(newPassword);
UserStore<ApplicationUser> store = new UserStore<ApplicationUser>();            
store.SetPasswordHashAsync(cUser, hashedNewPassword);

在 AspNet 每晚构建中

该框架已更新为与 Token 一起处理 ForgetPassword 等请求。一旦发布，预计会有简单的代码指导。

更新：

此更新只是为了提供更清晰的步骤。

ApplicationDbContext context = new ApplicationDbContext();
UserStore<ApplicationUser> store = new UserStore<ApplicationUser>(context);
UserManager<ApplicationUser> UserManager = new UserManager<ApplicationUser>(store);
String userId = User.Identity.GetUserId();//"<YourLogicAssignsRequestedUserId>";
String newPassword = "test@123"; //"<PasswordAsTypedByUser>";
String hashedNewPassword = UserManager.PasswordHasher.HashPassword(newPassword);                    
ApplicationUser cUser = await store.FindByIdAsync(userId);
await store.SetPasswordHashAsync(cUser, hashedNewPassword);
await store.UpdateAsync(cUser);
于 2013-10-22T19:29:13.827 回答
71

已弃用

这是原来的答案。它确实有效，但有一个问题。如果AddPassword失败了怎么办？用户没有密码。

原始答案：我们可以使用三行代码：

UserManager<IdentityUser> userManager = 
    new UserManager<IdentityUser>(new UserStore<IdentityUser>());

userManager.RemovePassword(userId);

userManager.AddPassword(userId, newPassword);

另请参阅：http: //msdn.microsoft.com/en-us/library/dn457095 (v=vs.111).aspx

现在推荐

最好使用EdwardBrey 提出的答案，然后DanielWright 后来用代码示例进行了详细说明。

于 2014-03-18T20:53:12.043 回答
30

在您的 上UserManager，首先调用GeneratePasswordResetTokenAsync。一旦用户验证了他的身份（例如通过在电子邮件中接收令牌），将令牌传递给ResetPasswordAsync。

于 2014-04-15T20:49:12.897 回答
5

在用于 Web API 的 Asp.Net Core Identity 中重置密码的最佳方法。

注意* : Error() 和 Result() 是为内部使用而创建的。你可以返回你想要的。

        [HttpPost]
        [Route("reset-password")]
        public async Task<IActionResult> ResetPassword(ResetPasswordModel model)
        {
            if (!ModelState.IsValid)
                return BadRequest(ModelState);
            try
            {
                if (model is null)
                    return Error("No data found!");


                var user = await _userManager.FindByIdAsync(AppCommon.ToString(GetUserId()));
                if (user == null)
                    return Error("No user found!");

                Microsoft.AspNetCore.Identity.SignInResult checkOldPassword =
                    await _signInManager.PasswordSignInAsync(user.UserName, model.OldPassword, false, false);

                if (!checkOldPassword.Succeeded)
                    return Error("Old password does not matched.");

                string resetToken = await _userManager.GeneratePasswordResetTokenAsync(user);
                if (string.IsNullOrEmpty(resetToken))
                    return Error("Error while generating reset token.");

                var result = await _userManager.ResetPasswordAsync(user, resetToken, model.Password);

                if (result.Succeeded)
                    return Result();
                else
                    return Error();
            }
            catch (Exception ex)
            {
                return Error(ex);
            }
        }
于 2020-08-02T12:18:53.790 回答
3 
string message = null;
//reset the password
var result = await IdentityManager.Passwords.ResetPasswordAsync(model.Token, model.Password);
if (result.Success)
{
    message = "The password has been reset.";
    return RedirectToAction("PasswordResetCompleted", new { message = message });
}
else
{
    AddErrors(result);
}

这段代码摘自github 上的 AspNetIdentitySample 项目

于 2013-10-22T17:48:13.350 回答
3

我认为 Microsoft ASP.NET Identity 指南是一个好的开始。

https://docs.microsoft.com/en-us/aspnet/identity/overview/features-api/account-confirmation-and-password-recovery-with-aspnet-identity

笔记：

如果您不使用 AccountController 并且不想重置密码，请使用Request.GetOwinContext().GetUserManager<ApplicationUserManager>();. 如果你没有相同的 OwinContext，你需要创建一个新DataProtectorTokenProvider的，就像OwinContext使用的一样。默认情况下查看App_Start -> IdentityConfig.cs. 应该看起来像new DataProtectorTokenProvider<ApplicationUser>(dataProtectionProvider.Create("ASP.NET Identity"));.

可以这样创建：

没有欧文：

[HttpGet]
[AllowAnonymous]
[Route("testReset")]
public IHttpActionResult TestReset()
{
    var db = new ApplicationDbContext();
    var manager = new ApplicationUserManager(new UserStore<ApplicationUser>(db));
    var provider = new DpapiDataProtectionProvider("SampleAppName");
    manager.UserTokenProvider = new DataProtectorTokenProvider<ApplicationUser>(
        provider.Create("SampleTokenName"));

    var email = "test@test.com";

    var user = new ApplicationUser() { UserName = email, Email = email };

    var identityUser = manager.FindByEmail(email);

    if (identityUser == null)
    {
        manager.Create(user);
        identityUser = manager.FindByEmail(email);
    }

    var token = manager.GeneratePasswordResetToken(identityUser.Id);
    return Ok(HttpUtility.UrlEncode(token));
}

[HttpGet]
[AllowAnonymous]
[Route("testReset")]
public IHttpActionResult TestReset(string token)
{
    var db = new ApplicationDbContext();
    var manager = new ApplicationUserManager(new UserStore<ApplicationUser>(db));
    var provider = new DpapiDataProtectionProvider("SampleAppName");
    manager.UserTokenProvider = new DataProtectorTokenProvider<ApplicationUser>(
        provider.Create("SampleTokenName"));
    var email = "test@test.com";
    var identityUser = manager.FindByEmail(email);
    var valid = Task.Run(() => manager.UserTokenProvider.ValidateAsync("ResetPassword", token, manager, identityUser)).Result;
    var result = manager.ResetPassword(identityUser.Id, token, "TestingTest1!");
    return Ok(result);
}

与欧文：

[HttpGet]
[AllowAnonymous]
[Route("testResetWithOwin")]
public IHttpActionResult TestResetWithOwin()
{
    var manager = Request.GetOwinContext().GetUserManager<ApplicationUserManager>();

    var email = "test@test.com";

    var user = new ApplicationUser() { UserName = email, Email = email };

    var identityUser = manager.FindByEmail(email);

    if (identityUser == null)
    {
        manager.Create(user);
        identityUser = manager.FindByEmail(email);
    }

    var token = manager.GeneratePasswordResetToken(identityUser.Id);
    return Ok(HttpUtility.UrlEncode(token));
}

[HttpGet]
[AllowAnonymous]
[Route("testResetWithOwin")]
public IHttpActionResult TestResetWithOwin(string token)
{
    var manager = Request.GetOwinContext().GetUserManager<ApplicationUserManager>();

    var email = "test@test.com";
    var identityUser = manager.FindByEmail(email);
    var valid = Task.Run(() => manager.UserTokenProvider.ValidateAsync("ResetPassword", token, manager, identityUser)).Result;
    var result = manager.ResetPassword(identityUser.Id, token, "TestingTest1!");
    return Ok(result);
}

DpapiDataProtectionProvider和DataProtectorTokenProvider需要使用相同的名称创建密码重置才能工作。使用 Owin 创建密码重置令牌，然后DpapiDataProtectionProvider使用另一个名称创建一个新令牌将不起作用。

我用于 ASP.NET 标识的代码：

网络配置：

<add key="AllowedHosts" value="example.com,example2.com" />

AccountController.cs：

[Route("RequestResetPasswordToken/{email}/")]
[HttpGet]
[AllowAnonymous]
public async Task<IHttpActionResult> GetResetPasswordToken([FromUri]string email)
{
    if (!ModelState.IsValid)
        return BadRequest(ModelState);

    var user = await UserManager.FindByEmailAsync(email);
    if (user == null)
    {
        Logger.Warn("Password reset token requested for non existing email");
        // Don't reveal that the user does not exist
        return NoContent();
    }

    //Prevent Host Header Attack -> Password Reset Poisoning. 
    //If the IIS has a binding to accept connections on 80/443 the host parameter can be changed.
    //See https://security.stackexchange.com/a/170759/67046
    if (!ConfigurationManager.AppSettings["AllowedHosts"].Split(',').Contains(Request.RequestUri.Host)) {
            Logger.Warn($"Non allowed host detected for password reset {Request.RequestUri.Scheme}://{Request.Headers.Host}");
            return BadRequest();
    }

    Logger.Info("Creating password reset token for user id {0}", user.Id);

    var host = $"{Request.RequestUri.Scheme}://{Request.Headers.Host}";
    var token = await UserManager.GeneratePasswordResetTokenAsync(user.Id);
    var callbackUrl = $"{host}/resetPassword/{HttpContext.Current.Server.UrlEncode(user.Email)}/{HttpContext.Current.Server.UrlEncode(token)}";

    var subject = "Client - Password reset.";
    var body = "<html><body>" +
               "<h2>Password reset</h2>" +
               $"<p>Hi {user.FullName}, <a href=\"{callbackUrl}\"> please click this link to reset your password </a></p>" +
               "</body></html>";

    var message = new IdentityMessage
    {
        Body = body,
        Destination = user.Email,
        Subject = subject
    };

    await UserManager.EmailService.SendAsync(message);

    return NoContent();
}

[HttpPost]
[Route("ResetPassword/")]
[AllowAnonymous]
public async Task<IHttpActionResult> ResetPasswordAsync(ResetPasswordRequestModel model)
{
    if (!ModelState.IsValid)
        return NoContent();

    var user = await UserManager.FindByEmailAsync(model.Email);
    if (user == null)
    {
        Logger.Warn("Reset password request for non existing email");
        return NoContent();
    }            

    if (!await UserManager.UserTokenProvider.ValidateAsync("ResetPassword", model.Token, UserManager, user))
    {
        Logger.Warn("Reset password requested with wrong token");
        return NoContent();
    }

    var result = await UserManager.ResetPasswordAsync(user.Id, model.Token, model.NewPassword);

    if (result.Succeeded)
    {
        Logger.Info("Creating password reset token for user id {0}", user.Id);

        const string subject = "Client - Password reset success.";
        var body = "<html><body>" +
                   "<h1>Your password for Client was reset</h1>" +
                   $"<p>Hi {user.FullName}!</p>" +
                   "<p>Your password for Client was reset. Please inform us if you did not request this change.</p>" +
                   "</body></html>";

        var message = new IdentityMessage
        {
            Body = body,
            Destination = user.Email,
            Subject = subject
        };

        await UserManager.EmailService.SendAsync(message);
    }

    return NoContent();
}

public class ResetPasswordRequestModel
{
    [Required]
    [Display(Name = "Token")]
    public string Token { get; set; }

    [Required]
    [Display(Name = "Email")]
    public string Email { get; set; }

    [Required]
    [StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 10)]
    [DataType(DataType.Password)]
    [Display(Name = "New password")]
    public string NewPassword { get; set; }

    [DataType(DataType.Password)]
    [Display(Name = "Confirm new password")]
    [Compare("NewPassword", ErrorMessage = "The new password and confirmation password do not match.")]
    public string ConfirmPassword { get; set; }
}
于 2018-09-20T07:18:56.683 回答
2

我做了一些调查，对我有用的解决方案是这篇文章中提出的一些解决方案的混合体。

我基本上是在编译这个解决方案，我正在发布对我有用的东西。就我而言，我不想使用 .net 核心中的任何令牌。

public async Task ResetPassword(string userId, string password)
{
    var user = await _userManager.FindByIdAsync(userId);
    var hashPassword= _userManager.PasswordHasher.HashPassword(user, password);
    user.PasswordHash = passwordHash;
    await _userManager.UpdateAsync(user);

}
于 2020-04-10T11:42:37.780 回答
2

创建方法在UserManager<TUser, TKey>

public Task<IdentityResult> ChangePassword(int userId, string newPassword)
{
     var user = Users.FirstOrDefault(u => u.Id == userId);
     if (user == null)
          return new Task<IdentityResult>(() => IdentityResult.Failed());

     var store = Store as IUserPasswordStore<User, int>;
     return base.UpdatePassword(store, user, newPassword);
}
于 2015-12-02T15:18:08.660 回答
2

如果密码重置，建议通过将密码重置令牌发送到注册用户电子邮件并要求用户提供新密码来重置密码。如果已经使用默认配置设置在 Identity 框架上创建了一个易于使用的 .NET 库。您可以在博客链接和github 的源代码中找到详细信息。

于 2016-08-05T19:11:18.690 回答