微前端架构如何改变企业的开发模式与效率提升
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2022-10-12
使用请求头认证来测试需要授权的 API 接口
使用请求头认证来测试需要授权的 API 接口
Intro
有一些需要认证授权的接口在写测试用例的时候一般会先获取一个 token,然后再去调用接口,其实这样做的话很不灵活,一方面是存在着一定的安全性问题,获取 token 可能会有一些用户名密码之类的测试数据,还有就是获取 token 的话如果全局使用同一个 token 会很不灵活,如果我要测试没有用户信息的话还比较简单,我可以不传递 token,如果token里有两个角色,我要测试另外一个角色的时候,只能给这个测试用户新增一个角色然后再获取token,这样就很不灵活,于是我就尝试把之前写的自定义请求头认证的代码,整理了一下,集成到了一个 nuget 包里以方便其他项目使用,nuget 包是 WeihanLi.Web.Extensions,源代码在这里 有想自己改的可以直接拿去用,目前提供了基于请求头的认证和基于 QueryString 的认证两种认证方式。
实现效果
基于请求头动态配置用户的信息,需要什么样的信息就在请求头中添加什么信息,示例如下:
再来看个单元测试的示例:
• ]public async Task MakeReservationWithUserInfo(){ using var request = new HttpRequestMessage(HttpMethod.Post, "/api/reservations"); request.Headers.TryAddWithoutValidation("UserId", GuidIdGenerator.Instance.NewId()); // 用户Id request.Headers.TryAddWithoutValidation("UserName", Environment.UserName); // 用户名 request.Headers.TryAddWithoutValidation("UserRoles", "User,ReservationManager"); //用户角色 request.Content = new StringContent($@"{{""reservationUnit"":""nnnnn"",""reservationActivityContent"":""13211112222"",""reservationPersonName"":""谢谢谢"",""reservationPersonPhone"":""13211112222"",""reservationPlaceId"":""f9833d13-a57f-4bc0-9197-232113667ece"",""reservationPlaceName"":""第一多功能厅"",""reservationForDate"":""2020-06-13"",""reservationForTime"":""10:00~12:00"",""reservationForTimeIds"":""1""}}", Encoding.UTF8, "application/json"); using var response = await Client.SendAsync(request); Assert.Equal(HttpStatusCode.OK, response.StatusCode);}
实现原理解析
实现原理其实挺简单的,就是实现了一种基于 header 的自定义认证模式,从 header 中获取用户信息并进行认证,核心代码如下:
protected override async Task
其实就是将请求头的信息读取到 Claims,然后返回一个 ClaimsPrincipal 和 AuthenticationTicket,在读取 header 之前有一个 AuthenticationValidator 是用来验证请求是不是满足使用 Header 认证,是一个基于 HttpContext 的断言委托(Func
使用示例
Startup 配置,和其它的认证方式一样,Header 认证和 Query 认证也提供了基于 AuthenticationBuilder 的扩展,只需要在 services.AddAuthentication() 后增加 Header 认证的模式即可,示例如下:
services.AddAuthentication(HeaderAuthenticationDefaults.AuthenticationSchema) .AddQuery(options => { options.UserIdQueryKey = "uid"; }) .AddHeader(options => { options.UserIdHeaderName = "X-UserId"; options.UserNameHeaderName = "X-UserName"; options.UserRolesHeaderName = "X-UserRoles"; });
默认的 Header 是 UserId/UserName/UserRoles,你也可以自定义为符合自己需要的配置,如果只是想新增一个转换可以配置 AdditionalHeaderToClaims 增加自己需要的请求头 => Claims 转换,AuthenticationValidator 也可以自定义,就是上面提到的会首先会验证是不是需要读取 Header,验证通过之后才会读取 Header 信息并认证
测试示例
有一个接口我需要登录之后才能访问,需要用户信息,类似下面这样
[HttpPost][Authorize]public async Task
在测试代码里我配置使用了 Header 认证,在请求的时候直接通过 Header 来控制用户的信息
Startup 配置:
services .AddAuthentication(HeaderAuthenticationDefaults.AuthenticationSchema) .AddHeader() // 使用 Query 认证 //.AddAuthentication(QueryAuthenticationDefaults.AuthenticationSchema) //.AddQuery() ;
测试代码:
[Fact]public async Task MakeReservationWithUserInfo(){ using var request = new HttpRequestMessage(HttpMethod.Post, "/api/reservations"); request.Headers.TryAddWithoutValidation("UserId", GuidIdGenerator.Instance.NewId()); request.Headers.TryAddWithoutValidation("UserName", Environment.UserName); request.Headers.TryAddWithoutValidation("UserRoles", "User,ReservationManager"); request.Content = new StringContent($@"{{""reservationUnit"":""nnnnn"",""reservationActivityContent"":""13211112222"",""reservationPersonName"":""谢谢谢"",""reservationPersonPhone"":""13211112222"",""reservationPlaceId"":""f9833d13-a57f-4bc0-9197-232113667ece"",""reservationPlaceName"":""第一多功能厅"",""reservationForDate"":""2020-06-13"",""reservationForTime"":""10:00~12:00"",""reservationForTimeIds"":""1""}}", Encoding.UTF8, "application/json"); using var response = await Client.SendAsync(request); Assert.Equal(HttpStatusCode.OK, response.StatusCode);}[Fact]public async Task MakeReservationWithInvalidUserInfo(){ using var request = new HttpRequestMessage(HttpMethod.Post, "/api/reservations"); request.Headers.TryAddWithoutValidation("UserName", Environment.UserName); request.Content = new StringContent($@"{{""reservationUnit"":""nnnnn"",""reservationActivityContent"":""13211112222"",""reservationPersonName"":""谢谢谢"",""reservationPersonPhone"":""13211112222"",""reservationPlaceId"":""f9833d13-a57f-4bc0-9197-232113667ece"",""reservationPlaceName"":""第一多功能厅"",""reservationForDate"":""2020-06-13"",""reservationForTime"":""10:00~12:00"",""reservationForTimeIds"":""1""}}", Encoding.UTF8, "application/json"); using var response = await Client.SendAsync(request); Assert.Equal(HttpStatusCode.Unauthorized, response.StatusCode);}[Fact]public async Task MakeReservationWithoutUserInfo(){ using var request = new HttpRequestMessage(HttpMethod.Post, "/api/reservations") { Content = new StringContent( @"{""reservationUnit"":""nnnnn"",""reservationActivityContent"":""13211112222"",""reservationPersonName"":""谢谢谢"",""reservationPersonPhone"":""13211112222"",""reservationPlaceId"":""f9833d13-a57f-4bc0-9197-232113667ece"",""reservationPlaceName"":""第一多功能厅"",""reservationForDate"":""2020-06-13"",""reservationForTime"":""10:00~12:00"",""reservationForTimeIds"":""1""}", Encoding.UTF8, "application/json") }; using var response = await Client.SendAsync(request); Assert.Equal(HttpStatusCode.Unauthorized, response.StatusCode);}
More
QueryString 认证和请求头认证是类似的,这里就不再赘述,只是把请求头上的参数转移到 QueryString 上了,觉得不够好用的可以直接 Github 上找源码修改, 也欢迎 PR,源码地址:https://github.com/WeihanLi/WeihanLi.Web.Extensions
Reference
https://github.com/WeihanLi/WeihanLi.Web.Extensionshttps://nuget.org/packages/WeihanLi.Web.Extensionshttps://github.com/OpenReservation/ReservationServer/blob/dev/ActivityReservation.API.Test/TestStartup.cshttps://github.com/OpenReservation/ReservationServer/blob/dev/ActivityReservation.API.Test/Controllers/ReservationControllerTest.cs
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