认证授权：IdentityServer4 - 各种授权模式应用
2024-08-24 12:30:31
前言：
前面介绍了IdentityServer4 的简单应用，本篇将继续讲解IdentityServer4 的各种授权模式使用示例
授权模式：
环境准备
a）调整项目结构如下：
b）调整cz.IdentityServer项目中Statup文件如下
public class Startup
{
public void ConfigureServices(IServiceCollection services)
{
services.AddControllersWithViews(); services.Configure<CookiePolicyOptions>(options =>
{
options.MinimumSameSitePolicy = SameSiteMode.Strict;
}); services.AddIdentityServer()
.AddDeveloperSigningCredential()
//api资源
.AddInMemoryApiResources(InMemoryConfig.GetApiResources())
//4.0版本需要添加，不然调用时提示invalid_scope错误
.AddInMemoryApiScopes(InMemoryConfig.GetApiScopes())
.AddTestUsers(InMemoryConfig.Users().ToList())
.AddInMemoryIdentityResources(InMemoryConfig.GetIdentityResourceResources())
.AddInMemoryClients(InMemoryConfig.GetClients());
} // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
} app.UseRouting(); app.UseStaticFiles();
app.UseCookiePolicy();
app.UseIdentityServer(); app.UseAuthentication();
//使用默认UI，必须添加
app.UseAuthorization(); app.UseEndpoints(endpoints =>
{
endpoints.MapControllerRoute(name: "default", pattern: "{controller=Home}/{action=Index}/{id?}");
});
}
}
c）在cz.Api.Order项目中添加控制器：IdentityController
namespace cz.Api.Order.Controllers
{
[Route("identity")]
[ApiController]
[Authorize]
public class IdentityController : ControllerBase
{
[HttpGet]
public IActionResult Get()
{
return new JsonResult(from c in User.Claims select new { c.Type, c.Value });
}
}
}
1、客户端模式
a）在InMemoryConfig中GetClients方法中添加客户端：
new Client
{
ClientId = "credentials_client", //访问客户端Id,必须唯一
ClientName = "ClientCredentials Client",
//使用客户端授权模式，客户端只需要clientid和secrets就可以访问对应的api资源。
AllowedGrantTypes = GrantTypes.ClientCredentials,
ClientSecrets =
{
new Secret("secret".Sha256())
},
AllowedScopes = {
IdentityServerConstants.StandardScopes.OpenId,
IdentityServerConstants.StandardScopes.Profile,
"goods"
},
},
b）在cz.ConsoleClient项目中安装Nuget包：IdentityModel，在Program中添加如下方法：
/// <summary>
/// 客户端认证模式
/// </summary>
private static void ClientCredentials_Test()
{
Console.WriteLine("ClientCredentials_Test------------------->");
var client = new HttpClient();
var disco = client.GetDiscoveryDocumentAsync("http://localhost:5600/").Result;
if (disco.IsError)
{
Console.WriteLine(disco.Error);
return;
}
//请求token
var tokenResponse = client.RequestClientCredentialsTokenAsync(new ClientCredentialsTokenRequest
{
Address = disco.TokenEndpoint,
ClientId = "credentials_client",
ClientSecret = "secret",
Scope = "goods"
}).Result; if (tokenResponse.IsError)
{
Console.WriteLine(tokenResponse.Error);
return;
} Console.WriteLine(tokenResponse.Json);
//调用认证api
var apiClient = new HttpClient();
apiClient.SetBearerToken(tokenResponse.AccessToken); var response = apiClient.GetAsync("http://localhost:5601/identity").Result;
if (!response.IsSuccessStatusCode)
{
Console.WriteLine(response.StatusCode);
}
else
{
var content = response.Content.ReadAsStringAsync().Result;
Console.WriteLine(content);
}
}
运行该程序结果如下：
2、密码模式
a）在InMemoryConfig中GetClients方法中添加客户端：
new Client
{
ClientId = "password_client",
ClientName = "Password Client",
ClientSecrets = new [] { new Secret("secret".Sha256()) },
//这里使用的是通过用户名密码换取token的方式.
AllowedGrantTypes = GrantTypes.ResourceOwnerPassword,
AllowedScopes = {
IdentityServerConstants.StandardScopes.OpenId,
IdentityServerConstants.StandardScopes.Profile,
"order","goods",
}
},
b）cz.ConsoleClient项目，继续在Program中添加如下方法：
/// <summary>
/// 用户名密码模式
/// </summary>
public static void ResourceOwnerPassword_Test()
{
Console.WriteLine("ResourceOwnerPassword_Test------------------->");
// request token
var client = new HttpClient();
var disco = client.GetDiscoveryDocumentAsync("http://localhost:5600/").Result;
var tokenResponse = client.RequestPasswordTokenAsync(new PasswordTokenRequest()
{
Address = disco.TokenEndpoint,
ClientId = "password_client",
ClientSecret = "secret",
UserName = "cba",
Password = "cba",
Scope = "order goods",
}).Result; if (tokenResponse.IsError)
{
Console.WriteLine(tokenResponse.Error);
return;
}
Console.WriteLine(tokenResponse.Json);
// call api
var apiClient = new HttpClient();
client.SetBearerToken(tokenResponse.AccessToken);
var response = apiClient.GetAsync("http://localhost:5601/identity").Result;
if (!response.IsSuccessStatusCode)
{
Console.WriteLine(response.StatusCode);
}
else
{
var content = response.Content.ReadAsStringAsync().Result;
Console.WriteLine(content);
}
}
运行该程序结果同上：
3、简化模式
a）在InMemoryConfig中GetClients方法中添加客户端：
new Client
{
ClientId = "implicit_client",
ClientName = "Implicit Client",
ClientSecrets = new [] { new Secret("secret".Sha256()) },
AllowedGrantTypes = GrantTypes.Implicit,
AllowedScopes = {
"order","goods",
IdentityServerConstants.StandardScopes.OpenId,
IdentityServerConstants.StandardScopes.Profile
},
RedirectUris = { "http://localhost:5021/signin-oidc" },
PostLogoutRedirectUris = { "http://localhost:5021" },
//是否显示授权提示界面
RequireConsent = true,
},
b）调整在cz.MVCClient中Statup文件中内容如下：
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
} public IConfiguration Configuration { get; } // This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.Configure<CookiePolicyOptions>(options =>
{
// This lambda determines whether user consent for non-essential cookies is needed for a given request.
options.CheckConsentNeeded = context => true;
options.MinimumSameSitePolicy = SameSiteMode.Lax;
}); JwtSecurityTokenHandler.DefaultMapInboundClaims = false; services.AddControllersWithViews(); services.AddAuthentication(options =>
{
options.DefaultScheme = "Cookies";
options.DefaultChallengeScheme = "oidc";
})
.AddCookie("Cookies")
.AddOpenIdConnect("oidc", options =>
{
options.RequireHttpsMetadata = false;
options.Authority = "http://localhost:5600";
options.ClientId = "implicit_client";
options.ClientSecret = "secret";
});
} // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
}
app.UseStaticFiles();
app.UseCookiePolicy(); app.UseRouting(); app.UseAuthentication();
app.UseAuthorization(); app.UseEndpoints(endpoints =>
{
endpoints.MapControllerRoute(
name: "default",
pattern: "{controller=Home}/{action=Index}/{id?}");
});
}
}
c）在cz.MVCClient中添加Nuget包：IdentityServer4.AccessTokenValidation、Microsoft.AspNetCore.Authentication.OpenIdConnect；在HomeController中添加方法：
[Authorize]
public IActionResult Secure()
{
ViewData["Message"] = "Secure page."; return View();
}
//注销
public IActionResult Logout()
{
return SignOut("oidc", "Cookies");
}
d）界面调整：
在_Layout.cshtml文件中添加导航按钮：Secure、Logout
<li class="nav-item">
<a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Secure">Secure</a>
</li>
@if (User.Identity.IsAuthenticated)
{
<li class="nav-item">
<a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Logout">Logout</a>
</li>
}
添加视图：Secure.cshtml文件：
@{
ViewData["Title"] = "Secure";
}
<h2>@ViewData["Title"]</h2>
<h3>User claims</h3>
<dl>
@foreach (var claim in User.Claims)
{
<dt>@claim.Type</dt>
<dd>@claim.Value</dd>
}
</dl>
e）运行结果如下：
简化模式还支持在Js客户端中运行可以查看官方说明文档：https://identityserver4.readthedocs.io/en/latest/quickstarts/4_javascript_client.html
4、授权码模式
a）在InMemoryConfig中GetClients方法中添加客户端：
new Client
{
ClientId = "code_client",
ClientName = "Code Client",
ClientSecrets = new [] { new Secret("secret".Sha256()) },
AllowedGrantTypes = GrantTypes.Code,
RedirectUris = { "http://localhost:5021/signin-oidc" },
PostLogoutRedirectUris = { "http://localhost:5021/signout-callback-oidc" },
//是否显示授权提示界面
RequireConsent= true,
AllowedScopes = {
"order","goods",
IdentityServerConstants.StandardScopes.OpenId,
IdentityServerConstants.StandardScopes.Profile
}
},
b）调整在cz.MVCClient中Statup文件中ConfigureServices方法内容如下：
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{ services.Configure<CookiePolicyOptions>(options =>
{
// This lambda determines whether user consent for non-essential cookies is needed for a given request.
options.CheckConsentNeeded = context => true;
options.MinimumSameSitePolicy = SameSiteMode.Lax;
}); JwtSecurityTokenHandler.DefaultMapInboundClaims = false; services.AddControllersWithViews(); services.AddAuthentication(options =>
{
options.DefaultScheme = "Cookies";
options.DefaultChallengeScheme = "oidc";
})
.AddCookie("Cookies")
.AddOpenIdConnect("oidc", options =>
{
options.RequireHttpsMetadata = false;
options.Authority = "http://localhost:5600";
options.ClientId = "code_client";
options.ClientSecret = "secret";
options.ResponseType = "code";
options.SaveTokens = true;
options.Scope.Add("order");
options.Scope.Add("goods");
options.GetClaimsFromUserInfoEndpoint = true;
});
}
c）运行结果如下：同简化模式运行效果相同
5、混合模式（Hybrid）
a）在InMemoryConfig中GetClients方法中添加客户端：
new Client
{
ClientId = "hybrid_client",
ClientName = "Hybrid Client",
ClientSecrets = new [] { new Secret("secret".Sha256()) },
AllowedGrantTypes = GrantTypes.Hybrid,
//是否显示授权提示界面
RequireConsent = true,
AllowedScopes = {
"order","goods",
IdentityServerConstants.StandardScopes.OpenId,
IdentityServerConstants.StandardScopes.Profile
}
}
b）调整在cz.MVCClient中Statup文件中ConfigureServices方法内容如下：
public void ConfigureServices(IServiceCollection services)
{ services.Configure<CookiePolicyOptions>(options =>
{
// This lambda determines whether user consent for non-essential cookies is needed for a given request.
options.CheckConsentNeeded = context => true;
options.MinimumSameSitePolicy = SameSiteMode.Lax;
}); JwtSecurityTokenHandler.DefaultMapInboundClaims = false; services.AddControllersWithViews(); services.AddAuthentication(options =>
{
options.DefaultScheme = "Cookies";
options.DefaultChallengeScheme = "oidc";
})
.AddCookie("Cookies")
.AddOpenIdConnect("oidc", options =>
{
options.RequireHttpsMetadata = false;
options.Authority = "http://localhost:5600";
options.ClientId = "hybrid_client";
options.ClientSecret = "secret";
options.ResponseType = "code token id_token";
options.SaveTokens = true;
options.ResponseMode = "fragment";
options.GetClaimsFromUserInfoEndpoint = true;
options.Scope.Add("order");
options.Scope.Add("goods");
});
}
总结：
应用场景总结
- 客户端模式（Client Credentials）：和用户无关，应用于应用程序与 API 资源之间的交互场景。
- 密码模式：和用户有关，常用于第三方登录。
- 简化模式：可用于前端或无线端。
- 混合模式：推荐使用，包含 OpenID 认证服务和 OAuth 授权，针对的是后端服务调用。
过程中遇到的坑：
- Postman调用时总是提示：invalid_scope异常；
解决：在添加IdentityServer服务时：调用AddInMemoryApiScopes方法注册Scope
- MVC项目登录成功后跳转时，找不到http://localhost:5020/signin-oidc路径：
解决：在Statup文件中添加services.Configure<CookiePolicyOptions>(options =>{options.CheckConsentNeeded = context => true;options.MinimumSameSitePolicy = SameSiteMode.Lax; });
- 登录时授权界面展示展示：
解决：客户端注册时，指定属性RequireConsent= true
Git地址：https://github.com/cwsheng/IdentityServer.Demo.git
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