哈希密码失败

时间:2018-10-19 20:09:54

标签: c# asp.net-mvc asp.net-core

我正在尝试向asp.net核心网站添加一些基本身份验证。
我将用户存储在sqlite数据库中,我正在尝试验证用户输入的密码,但由于某种原因,即使输入的密码正确,输入密码也总是失败。

有什么建议吗?

这是我的登录操作:

[HttpPost]
[ValidateAntiForgeryToken]
public async Task<ActionResult> Login(LoginViewModel ivm)
{
   if (ModelState.IsValid)
   {
      var user = _userRepo.Get(ivm.Email);
      if (user == null)
      {
         ModelState.AddModelError("UserError", "User not found");
         return View("Index", ivm);
      }
      PasswordHasher<User> hasher = new PasswordHasher<User>();
      var result = hasher.VerifyHashedPassword(user, user.Password, ivm.Password);
      if (result != PasswordVerificationResult.Failed)
      {
         string role = "";
         if (user.Role == Models.Enums.Role.Admin)
            role = "Admin";
         else
            role = "User";
         var claims = new[] { new Claim(ClaimTypes.Name, user.Id.ToString()), new Claim(ClaimTypes.Role, role) };
         var identity = new ClaimsIdentity(claims, CookieAuthenticationDefaults.AuthenticationScheme);
         await AuthenticationHttpContextExtensions.SignInAsync(HttpContext, CookieAuthenticationDefaults.AuthenticationScheme, new ClaimsPrincipal(identity));
         return RedirectToAction("Index", "Home");
      }
      else
      {
         ModelState.AddModelError("PasswordError", "Wrong password");
         return View("Index", ivm);
      }
   }
   else
   {
      ModelState.AddModelError("ModelError", "ModelError");
      return View("Index", ivm);
   }
}

用户:

[Table("Users")]
public class User
{
    public string Email { get; set; }
    public string Password { get; set; }
    public Role Role { get; set; }
    public Guid Id { get; set; }
}

当前init只是一个管理员用户:

            var user = new User
            {
                Email = "email.com",
                Role = Models.Enums.Role.Admin,
                Id = Guid.NewGuid()
            };
            PasswordHasher<User> phw = new PasswordHasher<User>();
            string hashed = phw.HashPassword(user, "superpassword");
            user.Password = hashed;
            db.Users.Add(user);
            db.SaveChanges();

1 个答案:

答案 0 :(得分:1)

在我的ASP.NET Core项目中,我使用UserManager可以很好地处理密码检查

bool correctPassword = await _userManager.CheckPasswordAsync(user, password);

UserManager还可处理用户创建,而无需处理密码散列器。

重载之一:

public virtual Task<IdentityResult> CreateAsync(TUser user, string password);

更新1:

根据您提供的代码,将密码哈希分配给Password类的User成员

相反,您应该使用PasswordHash属性,例如

hostAdminUser = new ApplicationUser()
{
    UserName = SetupConsts.Users.Host.UserName,
    Email = SetupConsts.Users.Host.Email,
    EmailConfirmed = true,
    PasswordHash = new PasswordHasher<ApplicationUser>().HashPassword(hostAdminUser, SetupConsts.Users.Passwords.Default)
};

await _userManager.CreateAsync(hostAdminUser);

因此,这是相关的位:PasswordHash = new PasswordHasher<ApplicationUser>


更新2:

要在ASP.NET Core中使用UserManager,您需要inject it into your controller

public class AuthController : Controller
{
    private UserManager<ApplicationUser> _userManager;

    public AuthController(
        UserManager<ApplicationUser> userManager
        )
    {
        _userManager = userManager;
    }

然后应该使用_userManager实例。

在Startup.cs中找到名为ConfigureServices的方法,并将以下行用于依赖项注入

services.AddTransient<UserManager<ApplicationUser>>();