Asp.Net Core WebAPI使用Swagger时API隐藏和分组详解(aspnet和net的关系)

网友投稿 470 2022-06-07


1、前言

为什么我们要隐藏部分接口?

因为我们在用swagger代替接口的时候,难免有些接口会直观的暴露出来,比如我们结合Consul一起使用的时候,会将健康检查接口以及报警通知接口暴露出来,这些接口有时候会出于方便考虑,没有进行加密,这个时候我们就需要把接口隐藏起来,只有内部的开发者知道。

为什么要分组?

通常当我们写前后端分离的项目的时候,难免会遇到编写很多接口供前端页面进行调用,当接口达到几百个的时候就需要区分哪些是框架接口,哪些是业务接口,这时候给swaggerUI的接口分组是个不错的选择。

swagger的基本使用这里将不再赘述,可以阅读微软官方文档,即可基本使用

2、swaggerUI中加入授权请求

新建HttpHeaderOperationFilter操作过滤器,继承Swashbuckle.AspNetCore.SwaggerGen.IOperationFilter接口,实现Apply方法

///

/// swagger请求头 /// public class HttpHeaderOperationFilter : IOperationFilter { public void Apply(Operation operation, OperationFilterContext context) { #region 新方法 if (operation.Parameters == null) { operation.Parameters = new List(); } if (context.ApiDescription.TryGetMethodInfo(out MethodInfo methodInfo)) { if (!methodInfo.CustomAttributes.Any(t => t.AttributeType == typeof(AllowAnonymousAttribute)) &&!(methodInfo.ReflectedType.CustomAttributes.Any(t => t.AttributeType == typeof(AuthorizeAttribute)))) { operation.Parameters.Add(new NonBodyParameter { Name = "Authorization", In = "header", Type = "string", Required = true, Description = "请输入Token,格式为bearer XXX" }); } } #endregion #region 已过时 //if (operation.Parameters == null) //{ // operation.Parameters = new List(); //} //var actionAttrs = context.ApiDescription.ActionAttributes().ToList(); //var isAuthorized = actionAttrs.Any(a => a.GetType() == typeof(AuthorizeAttribute)); //if (isAuthorized == false) //{ // var controllerAttrs = context.ApiDescription.ControllerAttributes(); // isAuthorized = controllerAttrs.Any(a => a.GetType() == typeof(AuthorizeAttribute)); //} //var isAllowAnonymous = actionAttrs.Any(a => a.GetType() == typeof(AllowAnonymousAttribute)); //if (isAuthorized && isAllowAnonymous == false) //{ // operation.Parameters.Add(new NonBodyParameter // { // Name = "Authorization", // In = "header", // Type = "string", // Required = true, // Description = "请输入Token,格式为bearer XXX" // }); //} #endregion } }

然后修改Startup.cs中的ConfigureServices方法,添加我们自定义的HttpHeaderOperationFilter过滤器

public IServiceProvider ConfigureServices(IServiceCollection services) { ... services.AddSwaggerGen(c => { ... c.OperationFilter(); }); ... }

这时候我们再访问swaggerUI就可以输入Token了

3、API分组

修改Startup.cs中的ConfigureServices方法,添加多个swagger文档

public IServiceProvider ConfigureServices(IServiceCollection services) { ... services.AddSwaggerGen(c => { c.SwaggerDoc("v1", new Info { Version = "v1", Title = "接口文档", Description = "接口文档-基础", TermsOfService = "", Contact = new Contact { Name = "XXX1111", Email = "XXX1111@qq.com", Url = "" } }); c.SwaggerDoc("v2", new Info { Version = "v2", Title = "接口文档", Description = "接口文档-基础", TermsOfService = "", Contact = new Contact { Name = "XXX2222", Email = "XXX2222@qq.com", Url = "" } }); //反射注入全部程序集说明 GetAllAssemblies().Where(t => t.CodeBase.EndsWith("Controller.dll")).ToList().ForEach(assembly => { c.IncludeXmlComments(assembly.CodeBase.Replace(".dll", ".xml")); }); c.OperationFilter(); //c.DocumentFilter(); }); ... }

修改Startup.cs中的Configure方法,加入

public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory) { ... app.UseSwagger(); app.UseSwaggerUI(c => { c.SwaggerEndpoint("/swagger/v2/swagger.json", "接口文档-基础");//业务接口文档首先显示 c.SwaggerEndpoint("/swagger/v1/swagger.json", "接口文档-业务");//基础接口文档放后面后显示 c.RoutePrefix = string.Empty;//设置后直接输入IP就可以进入接口文档 }); ... }

然后还要在我们的控制器上面标注swagger文档的版本

这时候我们就可以将接口文档进行分组显示了

4、API隐藏

创建自定义隐藏特性HiddenApiAttribute.cs

///

/// 隐藏swagger接口特性标识 /// [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class)] public class HiddenApiAttribute:System.Attribute { }

创建API隐藏过滤器HiddenApiFilter继承Swashbuckle.AspNetCore.SwaggerGen.IDocumentFilter接口,实现Apply方法

///

/// 自定义Swagger隐藏过滤器 /// public class HiddenApiFilter : IDocumentFilter { public void Apply(SwaggerDocument swaggerDoc, DocumentFilterContext context) { foreach (ApiDescription apiDescription in context.ApiDescriptions) { if (apiDescription.TryGetMethodInfo(out MethodInfo method)) { if (method.ReflectedType.CustomAttributes.Any(t=>t.AttributeType==typeof(HiddenApiAttribute)) || method.CustomAttributes.Any(t => t.AttributeType == typeof(HiddenApiAttribute))) { string key = "/" + apiDescription.RelativePath; if (key.Contains("?")) { int idx = key.IndexOf("?", System.StringComparison.Ordinal); key = key.Substring(0, idx); } swaggerDoc.Paths.Remove(key); } } } } }

在Startup.cs中使用HiddenApiFilter

public IServiceProvider ConfigureServices(IServiceCollection services) { ... services.AddSwaggerGen(c => { c.SwaggerDoc("v1", new Info { Version = "v1", Title = "接口文档", Description = "接口文档-基础", TermsOfService = "", Contact = new Contact { Name = "XXX1111", Email = "XXX1111@qq.com", Url = "" } }); c.SwaggerDoc("v2", new Info { Version = "v2", Title = "接口文档", Description = "接口文档-基础", TermsOfService = "", Contact = new Contact { Name = "XXX2222", Email = "XXX2222@qq.com", Url = "" } }); //反射注入全部程序集说明 GetAllAssemblies().Where(t => t.CodeBase.EndsWith("Controller.dll") && !t.CodeBase.Contains("Common.Controller.dll")).ToList().ForEach(assembly => { c.IncludeXmlComments(assembly.CodeBase.Replace(".dll", ".xml")); }); c.OperationFilter(); c.DocumentFilter(); }); ... }

示例:

我这里提供了Consul的心跳检车接口

但是在接口文档中并没有显示出来

总结

以上就是这篇文章的全部内容了,希望本文的内容对大家的学习或者工作具有一定的参考学习价值,谢谢大家对的支持。


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