Adr*_*ris 43 c# asp.net-identity asp.net-core-mvc asp.net-core-identity
默认情况下,ASP.NET Core Identity的密码策略至少需要一个特殊字符,一个大写字母,一个数字,......
我该如何更改此限制?
文档中没有任何内容(https://docs.asp.net/en/latest/security/authentication/identity.html)
我尝试覆盖Identity的用户管理器,但我没有看到哪个方法管理密码策略.
public class ApplicationUserManager : UserManager<ApplicationUser>
{
public ApplicationUserManager(
DbContextOptions<SecurityDbContext> options,
IServiceProvider services,
IHttpContextAccessor contextAccessor,
ILogger<UserManager<ApplicationUser>> logger)
: base(
new UserStore<ApplicationUser>(new SecurityDbContext(contextAccessor)),
new CustomOptions(),
new PasswordHasher<ApplicationUser>(),
new UserValidator<ApplicationUser>[] { new UserValidator<ApplicationUser>() },
new PasswordValidator[] { new PasswordValidator() },
new UpperInvariantLookupNormalizer(),
new IdentityErrorDescriber(),
services,
logger
// , contextAccessor
)
{
}
public class PasswordValidator : IPasswordValidator<ApplicationUser>
{
public Task<IdentityResult> ValidateAsync(UserManager<ApplicationUser> manager, ApplicationUser user, string password)
{
return Task.Run(() =>
{
if (password.Length >= 4) return IdentityResult.Success;
else { return IdentityResult.Failed(new IdentityError { Code = "SHORTPASSWORD", Description = "Password too short" }); }
});
}
}
public class CustomOptions : IOptions<IdentityOptions>
{
public IdentityOptions Value { get; private set; }
public CustomOptions()
{
Value = new IdentityOptions
{
ClaimsIdentity = new ClaimsIdentityOptions(),
Cookies = new IdentityCookieOptions(),
Lockout = new LockoutOptions(),
Password = null,
User = new UserOptions(),
SignIn = new SignInOptions(),
Tokens = new TokenOptions()
};
}
}
}
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我在启动的类中添加了这个用户管理器依赖项:
services.AddScoped<ApplicationUserManager>();
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但是当我在控制器中使用ApplicationUserManager时,我有错误:处理请求时发生了未处理的异常.
InvalidOperationException:尝试激活'ApplicationUserManager'时,无法解析类型'Microsoft.EntityFrameworkCore.DbContextOptions`1 [SecurityDbContext]'的服务.
编辑:当我使用ASP.NET核心标识的默认类时,用户的管理工作,所以它不是数据库问题,或类似的东西
编辑2:我找到了解决方案,你只需要在启动类中配置Identity.我的回答提供了一些细节.
Adr*_*ris 114
最后它太简单了......
无需覆盖任何类,您只需在启动类中配置身份设置,如下所示:
services.Configure<IdentityOptions>(options =>
{
options.Password.RequireDigit = false;
options.Password.RequiredLength = 5;
options.Password.RequireLowercase = true;
options.Password.RequireNonLetterOrDigit = true;
options.Password.RequireUppercase = false;
});
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或者您可以在添加时配置身份:
services.AddIdentity<ApplicationUser, IdentityRole>(options=> {
options.Password.RequireDigit = false;
options.Password.RequiredLength = 4;
options.Password.RequireNonAlphanumeric = false;
options.Password.RequireUppercase = false;
options.Password.RequireLowercase = false;
})
.AddEntityFrameworkStores<SecurityDbContext>()
.AddDefaultTokenProviders();
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AS.NET Core绝对是好东西......
对于开发人员来说最简单的方法是
services.AddDefaultIdentity<IdentityUser>(options =>
{
options.SignIn.RequireConfirmedAccount = true;
options.Password.RequireDigit = false;
options.Password.RequireNonAlphanumeric = false;
options.Password.RequireUppercase = false;
options.Password.RequireLowercase = false;
})
.AddEntityFrameworkStores<ApplicationDbContext>();
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只有Password.RequiredLength不能以这种方式更改,它仍然等于6。
附加要求:
\n\n\n\n\n如果您觉得这个密码约束还不够,您可以通过继承PasswordValidator 类来定义您自己的条件。
\n
示例实现:
\n\npublic class CustomPasswordPolicy : PasswordValidator<AppUser>\n {\n public override async Task<IdentityResult> ValidateAsync(UserManager<AppUser> manager, AppUser user, string password)\n {\n IdentityResult result = await base.ValidateAsync(manager, user, password);\n List<IdentityError> errors = result.Succeeded ? new List<IdentityError>() : result.Errors.ToList();\n\n if (password.ToLower().Contains(user.UserName.ToLower()))\n {\n errors.Add(new IdentityError\n {\n Description = "Password cannot contain username"\n });\n }\n if (password.Contains("123"))\n {\n errors.Add(new IdentityError\n {\n Description = "Password cannot contain 123 numeric sequence"\n });\n }\n return errors.Count == 0 ? IdentityResult.Success : IdentityResult.Failed(errors.ToArray());\n }\n }\n
Run Code Online (Sandbox Code Playgroud)\n\n我已经重写了类中的 ValidateAsync 方法,并且在该方法中我正在实现自定义密码策略。
\n\n非常非常重要
\n\nIdentityResult result = await base.ValidateAsync(manager, user, password);
:
根据Statup类的ConfigureServices方法中给出的密码规则验证密码(在这篇文章的旧答案中显示的)
\n\n services.AddTransient<IPasswordValidator<AppUser>, CustomPasswordPolicy>();\n services.AddDbContext<AppIdentityDbContext>(options => options.UseSqlServer(Configuration["ConnectionStrings:DefaultConnection"]));\n services.AddIdentity<AppUser, IdentityRole>(opts =>\n {\n opts.Password.RequiredLength = 8;\n opts.Password.RequireNonAlphanumeric = true;\n opts.Password.RequireLowercase = false;\n opts.Password.RequireUppercase = true;\n opts.Password.RequireDigit = true;\n }).AddEntityFrameworkStores<AppIdentityDbContext>().AddDefaultTokenProviders();\n\n
Run Code Online (Sandbox Code Playgroud)\n\n\n\nPasswordValidator.cs的官方 Github 文档(为了更好\n 理解):此处
\n
将以下行添加到startup.cs的ConfigureServices方法中
services.Configure<IdentityOptions>(Configuration.GetSection(nameof(IdentityOptions)));
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如果需要,您可以使用不同的部分名称
然后在config中添加设置。您可以在多个配置源中添加多个设置,它们将被合并。例如,我将其放入 appsettings.local.json 文件中。该文件被 VCS 忽略,因此我的本地设置永远不会生效,这与硬编码设置并使用 #if debug 或类似的东西不同。
"IdentityOptions": {
"Password": {
"RequiredLength": 6,
"RequireDigit": false,
"RequiredUniqueChars": 1,
"RequireLowercase": false,
"RequireNonAlphanumeric": false,
"RequireUppercase": false
}
}
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这同样适用于 appsettings.{Environment}.json 或任何其他配置源,因此您可以在开发服务器和实时服务器上有不同的设置,而无需更改代码或使用不同的构建配置