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C# 如何使用索赔_C#_Asp.net Web Api_Owin_Katana_Asp.net Identity 2 - Fatal编程技术网

C# 如何使用索赔

C# 如何使用索赔,c#,asp.net-web-api,owin,katana,asp.net-identity-2,C#,Asp.net Web Api,Owin,Katana,Asp.net Identity 2,我有一个Web API 2.1,它使用Asp.NET-Identity 2.0(代码优先)进行身份验证 我的问题是升级/删除用户声明,AuthenticationType为“Bearer”。我有一个名为“实例”的声明,我想更新它。我有一个从OAuthAuthorizationServerProvider派生的authprovider,我覆盖了GrantResourceOwnerCredentials,所以它看起来像这样: var user = await userManager.FindAsyn

我有一个Web API 2.1,它使用Asp.NET-Identity 2.0(代码优先)进行身份验证

我的问题是升级/删除用户声明,AuthenticationType为“Bearer”。我有一个名为“实例”的声明,我想更新它。我有一个从OAuthAuthorizationServerProvider派生的authprovider,我覆盖了GrantResourceOwnerCredentials,所以它看起来像这样:

var user = await userManager.FindAsync(context.UserName, context.Password);

var identity = new ClaimsIdentity(new[] 
    { 
        new Claim(ClaimTypes.Name, user.UserName) 
    }, 
    context.Options.AuthenticationType, 
    ClaimTypes.Name, 
    ClaimTypes.Role);

identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, user.Id));
identity.AddClaim(new Claim(ClaimTypes.Instances, "test"));

var ticket = new AuthenticationTicket(identity, new AuthenticationProperties());

context.Validated(ticket);
然后在我的UserController中,我有一个更新声明“实例”的函数

但是下次我试图从用户那里获取“实例”时,它仍然有值“test”。我遗漏了什么?

您不能修改与令牌“相关”的声明。令牌基于声明和server machine.config

最好的解决方案是使用刷新令牌

var user = (ClaimsIdentity)User.Identity;
var insClaim = user.Claims.Single(x => x.Type == ClaimTypes.Instances);

user.RemoveClaim(insClaim);
user.AddClaim(new Claim(ClaimTypes.Instances, "TEST 123"));

var ctx = Request.GetOwinContext();
var authCtx = await ctx.Authentication.AuthenticateAsync(user.AuthenticationType);

if (authCtx != null)
{
    ctx.Authentication.SignOut(user.AuthenticationType);
    ctx.Authentication.AuthenticationResponseGrant = new AuthenticationResponseGrant(user, authCtx.Properties);
    ctx.Authentication.SignIn(user);
}

return Ok(new { });