15-oauth2+oidc实现Server部分

1-我们使用之前项目的mvcCookieAuthSampe2进行改造

1.1  增加IdentityServer4

2-增加Config.cs文件，对IdentityServer提供相关的配置数据

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using IdentityServer4.Test;
using IdentityServer4.Models;
using IdentityServer4;

namespace MvcCookieAuthSample
{
    public class Config
    {
        public static IEnumerable<ApiResource> GetApiResources() {
            return new List<ApiResource>() {
                 new ApiResource("api1","api DisplayName")
            };
        }

        public static IEnumerable<Client> GetClients()
        {
            return new List<Client>() {
                 new Client(){
                     ClientId="mvc",
                      AllowedGrantTypes= GrantTypes.Implicit,
                      ClientSecrets= new List<Secret>(){
                          new Secret("secret".Sha256())
                      },
                      RedirectUris = {"http://localhost:5001/signin-oidc" },
                      PostLogoutRedirectUris = { "http://localhost/signout-callback-oidc"},
                      RequireConsent=false,
                      AllowedScopes={
                         IdentityServerConstants.StandardScopes.Profile,
                          IdentityServerConstants.StandardScopes.OpenId
                      }
                 }
            };
        }

        public static IEnumerable<IdentityResource> GetIdentityResources()
        {
            return new List<IdentityResource>() {
                new IdentityResources.OpenId(),
                new IdentityResources.Email(),
                new IdentityResources.Profile()
            };
        }

        public static List<TestUser> GetTestUsers()
        {
            return new List<TestUser>() {
                 new TestUser(){
                       SubjectId="oa001",
                       Username="qinzb",
                       Password=""
                 }
            };
        }

    }
}

2-在Startup.cs文件启用IdentityServer

 public void ConfigureServices(IServiceCollection services)
        {
            services.AddIdentityServer()
            .AddDeveloperSigningCredential()
            .AddInMemoryApiResources(Config.GetApiResources())
            .AddInMemoryClients(Config.GetClients())
            .AddInMemoryIdentityResources(Config.GetIdentityResources())
            .AddTestUsers(Config.GetTestUsers())  ;
            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        }
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            app.UseIdentityServer(); //主要加了这段代码启用Identity4
            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");
            });
        }

3-在AccountController.cs提供登陆功能

        private TestUserStore _testUserStore;
        public AccountController(TestUserStore testUserStore)
        {
            _testUserStore = testUserStore;
        }

        public IActionResult Login(string returnUrl = null)
        {
            ViewData["returnUrl"] = returnUrl;
            return View();
        }

        [HttpPost]
        public async Task<IActionResult> Login(ViewModel.LoginViewModel loginModel, string returnUrl = null)
        {
            var findUser = _testUserStore.FindByUsername(loginModel.UserName);
            //  string returnUrl = Request.Form["returnUrl"];
            if (findUser == null)
            {
                ModelState.AddModelError(nameof(loginModel.UserName), "用户不存在");
            }
            else
            {
                if (_testUserStore.ValidateCredentials(loginModel.UserName, loginModel.Password))
                {
                    var profiles = new AuthenticationProperties()
                    {
                        IsPersistent = true,
                        ExpiresUtc = System.DateTimeOffset.UtcNow.Add(TimeSpan.FromMinutes())
                    };

                    await Microsoft.AspNetCore.Http.AuthenticationManagerExtensions.SignInAsync(HttpContext, findUser.SubjectId, findUser.Username, profiles);

                    return string.IsNullOrEmpty(returnUrl) ? Redirect("/home/index") : Redirect(returnUrl);
                }
                ModelState.AddModelError(nameof(loginModel.Password), "密码不正确");
            }
            return View();

        }