پیاده سازی Swagger در Asp.Net Core 2.1

<PackageReference Include="Swashbuckle.AspNetCore" Version="4.0.1" />
<PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="4.0.1" />
<PackageReference Include="Swashbuckle.AspNetCore.Filters" Version="4.5.2" />

public static class SwaggerExtensions
{
    public static void AddSwagger(this IServiceCollection services)
    {
        services.AddSwaggerGen(options =>
        {
            options.EnableAnnotations();
            options.SwaggerDoc("v1", new Info { Version = "v1", Title = "Swagger Example" });
        });
    }
    public static void UseSwaggerAndUI(this IApplicationBuilder app)
    {
        app.UseSwagger();
        app.UseSwaggerUI(options =>
        {
            options.DocExpansion(DocExpansion.None);
            options.SwaggerEndpoint("/swagger/v1/swagger.json", "Swagger Example Docs");
        });
    }
}

public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
    services.AddSwagger();
}

public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }
    app.UseSwaggerAndUI();
    app.UseHttpsRedirection();
    app.UseMvc();
}

public static void AddSwagger(this IServiceCollection services)
{
    services.AddSwaggerGen(options =>
    {
        options.EnableAnnotations();
        options.DocumentFilter<AuthenticationDocumentFilter>();
        options.SwaggerDoc("v1", new Info { Version = "v1", Title = "Swagger Example" });
    });
}

public class AuthenticationDocumentFilter : IDocumentFilter
{
    private readonly IHttpContextAccessor httpContextAccessor;

    public AuthenticationDocumentFilter(IHttpContextAccessor httpContextAccessor)
    {
        this.httpContextAccessor = httpContextAccessor;
    }

    public void Apply(SwaggerDocument swaggerDoc, DocumentFilterContext context)
    {
        if (!httpContextAccessor.HttpContext.User.Identity.IsAuthenticated)
        {
            swaggerDoc.Definitions = new Dictionary<string, Schema>();
            swaggerDoc.Paths = new Dictionary<string, PathItem>();
        }
    }
}

public void Apply(SwaggerDocument swaggerDoc, DocumentFilterContext context)
{
    if (!httpContextAccessor.HttpContext.User.Identity.IsAuthenticated)
    {
        foreach (var item in swaggerDoc.Paths)
        {
            item.Value.Post = null;
            item.Value.Put = null;
        }
    }
}

public void ConfigureServices(IServiceCollection services)
{
    services.AddHttpContextAccessor();
    services.AddAuthorization();
    services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
        .AddCookie(options =>
        {
            options.AccessDeniedPath = "/Login";
            options.Cookie.HttpOnly = true;
            options.LoginPath = "/Login";
            options.LogoutPath = "/Login";
            options.ExpireTimeSpan = TimeSpan.FromDays(15);
            options.SlidingExpiration = true;
            options.Cookie.IsEssential = true;
            options.ReturnUrlParameter = "returnUrl";
        });
    services.AddMvc();
    services.AddSwagger();
}

public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }
    app.UseAuthentication();
    app.UseCookiePolicy();
    app.UseSwaggerAndUI();
    app.UseMvc();
}