默认情况下,ASP.NET 5中提供的默认身份提供程序具有非常严格的密码规则,要求使用小写字母,大写字母,非字母数字字符和数字。我正在寻找一种更改提供商密码要求的方法。
以前在ASP.NET 4中,可以通过Web.config XML文件配置提供程序,如先前所回答。但是,ASP.NET 5使用基于新代码的配置模式,目前尚不清楚如何配置身份。
如何更改应用程序的密码要求?
默认情况下,ASP.NET 5中提供的默认身份提供程序具有非常严格的密码规则,要求使用小写字母,大写字母,非字母数字字符和数字。我正在寻找一种更改提供商密码要求的方法。
以前在ASP.NET 4中,可以通过Web.config XML文件配置提供程序,如先前所回答。但是,ASP.NET 5使用基于新代码的配置模式,目前尚不清楚如何配置身份。
如何更改应用程序的密码要求?
Answers:
实际上,我最终弄清楚了这一点,事实证明,您需要为AddDefaultIdentity提供一个合适的lambda表达式,以配置它提供的IdentityOptions。这是在Startup类的ConfigureServices方法内完成的,如下所示:
public class Startup {
public void ConfigureServices(IServiceCollection services) {
// Add Identity services to the services container.
services.AddDefaultIdentity<ApplicationIdentityDbContext, ApplicationUser, IdentityRole>(Configuration,
o => {
o.Password.RequireDigit = false;
o.Password.RequireLowercase = false;
o.Password.RequireUppercase = false;
o.Password.RequireNonLetterOrDigit = false;
o.Password.RequiredLength = 7;
});
}
}
更新2:
上面的内容在框架的beta1版本中是正确的,在最新的rc1 beta5中,它已稍微更改为:
services.AddIdentity<ApplicationUser, IdentityRole>(o => {
// configure identity options
o.Password.RequireDigit = false;
o.Password.RequireLowercase = false;
o.Password.RequireUppercase = false;
o.Password.RequireNonAlphanumeric = false;
o.Password.RequiredLength = 6;
})
.AddEntityFrameworkStores<ApplicationIdentityDbContext>()
.AddDefaultTokenProviders();
config.json
文件吗?
在startup.cs中:
services.AddIdentity<ApplicationUser, IdentityRole>(x =>
{
x.Password.RequiredLength = 6;
x.Password.RequireUppercase = false;
x.Password.RequireLowercase = false;
x.Password.RequireNonAlphanumeric = false;
}).AddEntityFrameworkStores<ApplicationDbContext>().AddDefaultTokenProviders();
我想要做的是自定义密码规则,以便它应包含以下至少两个组中的字符:小写,大写,数字和特殊符号。
我不能仅通过更改PasswordValidator选项来执行以下操作:
manager.PasswordValidator = new PasswordValidator
{
RequiredLength = 6,
RequireNonLetterOrDigit = false,
RequireDigit = false,
RequireLowercase = false,
RequireUppercase = false,
};
因此,我改为通过扩展IIdentityValidator来创建自定义验证器...
首先,在您的Extensions文件夹中创建一个新文件CustomPasswordValidator.cs:
public class CustomPasswordValidator : IIdentityValidator<string>
{
public int RequiredLength { get; set; }
public CustomPasswordValidator(int length) {
RequiredLength = length;
}
/*
* logic to validate password: I am using regex to count how many
* types of characters exists in the password
*/
public Task<IdentityResult> ValidateAsync(string password) {
if (String.IsNullOrEmpty(password) || password.Length < RequiredLength)
{
return Task.FromResult(IdentityResult.Failed(
String.Format("Password should be at least {0} characters", RequiredLength)));
}
int counter = 0;
List<string> patterns = new List<string>();
patterns.Add(@"[a-z]"); // lowercase
patterns.Add(@"[A-Z]"); // uppercase
patterns.Add(@"[0-9]"); // digits
// don't forget to include white space in special symbols
patterns.Add(@"[!@#$%^&*\(\)_\+\-\={}<>,\.\|""'~`:;\\?\/\[\] ]"); // special symbols
// count type of different chars in password
foreach (string p in patterns)
{
if (Regex.IsMatch(password, p))
{
counter++;
}
}
if (counter < 2)
{
return Task.FromResult(IdentityResult.Failed(
"Please use characters from at least two of these groups: lowercase, uppercase, digits, special symbols"));
}
return Task.FromResult(IdentityResult.Success);
}
}
然后转到IdentityConfig.cs,并在Create方法中对其进行初始化:
manager.PasswordValidator = new CustomPasswordValidator(8 /*min length*/);
/*
// You don't need this anymore
manager.PasswordValidator = new PasswordValidator
{
RequiredLength = 6,
RequireNonLetterOrDigit = true,
RequireDigit = true,
RequireLowercase = true,
RequireUppercase = true,
};
*/
有关更多详细信息,请参见我的教程。