要使用Asp.Net Core授权策略,你需要进行以下步骤:
首先,确保你的项目中已经添加了Microsoft.AspNetCore.Authorization和Microsoft.AspNetCore.Authentication.JwtBearer这两个NuGet包。
创建一个授权策略类,例如CustomAuthorizationPolicy.cs,该类继承自IAuthorizationRequirement接口。在该类中,你可以添加一些自定义的授权策略要求。
using Microsoft.AspNetCore.Authorization;
public class CustomAuthorizationPolicy : IAuthorizationRequirement
{
// 添加你的自定义授权策略要求
}
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using System.Threading.Tasks;
public class CustomAuthorizationHandler : AuthorizationHandler
{
private readonly IHttpContextAccessor _httpContextAccessor;
public CustomAuthorizationHandler(IHttpContextAccessor httpContextAccessor)
{
_httpContextAccessor = httpContextAccessor;
}
protected override Task HandleRequirementAsync(AuthorizationHandlerContext context, CustomAuthorizationPolicy requirement)
{
// 添加授权策略的处理逻辑
// 可以使用HttpContext等对象来检查用户的权限
if (/* 用户满足授权策略要求 */)
{
context.Succeed(requirement);
}
else
{
context.Fail();
}
return Task.CompletedTask;
}
}
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
public class Startup
{
public void ConfigureServices(IServiceCollection services)
{
services.AddAuthorization(options =>
{
options.AddPolicy("CustomPolicy", policy =>
{
policy.Requirements.Add(new CustomAuthorizationPolicy());
});
});
services.AddSingleton();
}
public void Configure(IApplicationBuilder app)
{
app.UseAuthorization();
// 添加其他中间件和配置
}
}
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
[Authorize(Policy = "CustomPolicy")]
public class MyController : ControllerBase
{
// 添加需要授权的Action
}
这样,当用户访问需要授权的Action时,授权处理程序CustomAuthorizationHandler会被调用,并根据自定义的授权策略要求来判断用户是否具有相应的权限。