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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Internal;
using Microsoft.AspNetCore.Routing;
using Microsoft.AspNetCore.Routing.Internal;
using Microsoft.AspNetCore.Routing.Patterns;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
namespace RoutingWebSite;
public class UseEndpointRoutingStartup
{
private static readonly byte[] _plainTextPayload = Encoding.UTF8.GetBytes("Plain text!");
public void ConfigureServices(IServiceCollection services)
{
services.AddTransient<EndsWithStringRouteConstraint>();
services.AddRouting(options =>
{
options.ConstraintMap.Add("endsWith", typeof(EndsWithStringRouteConstraint));
});
}
public void Configure(IApplicationBuilder app)
{
app.UseStaticFiles();
app.UseRouting();
app.Map("/Branch1", branch => SetupBranch(branch, "Branch1"));
app.Map("/Branch2", branch => SetupBranch(branch, "Branch2"));
// Imagine some more stuff here...
app.UseEndpoints(endpoints =>
{
endpoints.MapHello("/helloworld", "World");
endpoints.MapGet(
"/",
(httpContext) =>
{
var dataSource = httpContext.RequestServices.GetRequiredService<EndpointDataSource>();
var sb = new StringBuilder();
sb.AppendLine("Endpoints:");
foreach (var endpoint in dataSource.Endpoints.OfType<RouteEndpoint>().OrderBy(e => e.RoutePattern.RawText, StringComparer.OrdinalIgnoreCase))
{
sb.AppendLine(FormattableString.Invariant($"- {endpoint.RoutePattern.RawText}"));
}
var response = httpContext.Response;
response.StatusCode = 200;
response.ContentType = "text/plain";
return response.WriteAsync(sb.ToString());
});
endpoints.MapGet(
"/plaintext",
(httpContext) =>
{
var response = httpContext.Response;
var payloadLength = _plainTextPayload.Length;
response.StatusCode = 200;
response.ContentType = "text/plain";
response.ContentLength = payloadLength;
return response.Body.WriteAsync(_plainTextPayload, 0, payloadLength);
});
endpoints.MapGet(
"/convention",
(httpContext) =>
{
var endpoint = httpContext.GetEndpoint();
return httpContext.Response.WriteAsync((endpoint.Metadata.GetMetadata<CustomMetadata>() != null) ? "Has metadata" : "No metadata");
}).Add(b =>
{
b.Metadata.Add(new CustomMetadata());
});
endpoints.MapGet(
"/withconstraints/{id:endsWith(_001)}",
(httpContext) =>
{
var response = httpContext.Response;
response.StatusCode = 200;
response.ContentType = "text/plain";
return response.WriteAsync("WithConstraints");
});
endpoints.MapGet(
"/withoptionalconstraints/{id:endsWith(_001)?}",
(httpContext) =>
{
var response = httpContext.Response;
response.StatusCode = 200;
response.ContentType = "text/plain";
return response.WriteAsync("withoptionalconstraints");
});
endpoints.MapGet(
"/WithSingleAsteriskCatchAll/{*path}",
(httpContext) =>
{
var linkGenerator = httpContext.RequestServices.GetRequiredService<LinkGenerator>();
var response = httpContext.Response;
response.StatusCode = 200;
response.ContentType = "text/plain";
return response.WriteAsync(
"Link: " + linkGenerator.GetPathByRouteValues(httpContext, "WithSingleAsteriskCatchAll", new { }));
}).WithMetadata(new RouteNameMetadata(routeName: "WithSingleAsteriskCatchAll"));
endpoints.MapGet(
"/WithDoubleAsteriskCatchAll/{**path}",
(httpContext) =>
{
var linkGenerator = httpContext.RequestServices.GetRequiredService<LinkGenerator>();
var response = httpContext.Response;
response.StatusCode = 200;
response.ContentType = "text/plain";
return response.WriteAsync(
"Link: " + linkGenerator.GetPathByRouteValues(httpContext, "WithDoubleAsteriskCatchAll", new { }));
}).WithMetadata(new RouteNameMetadata(routeName: "WithDoubleAsteriskCatchAll"));
MapHostEndpoint(endpoints);
MapHostEndpoint(endpoints, "*.0.0.1");
MapHostEndpoint(endpoints, "127.0.0.1");
MapHostEndpoint(endpoints, "*.0.0.1:5000", "*.0.0.1:5001");
MapHostEndpoint(endpoints, "contoso.com:*", "*.contoso.com:*");
});
}
private class CustomMetadata
{
}
private IEndpointConventionBuilder MapHostEndpoint(IEndpointRouteBuilder endpoints, params string[] hosts)
{
var hostsDisplay = (hosts == null || hosts.Length == 0)
? "*:*"
: string.Join(",", hosts.Select(h => h.Contains(':') ? h : h + ":*"));
var conventionBuilder = endpoints.MapGet(
"api/DomainWildcard",
httpContext =>
{
var response = httpContext.Response;
response.StatusCode = 200;
response.ContentType = "text/plain";
return response.WriteAsync(hostsDisplay);
});
conventionBuilder.Add(endpointBuilder =>
{
endpointBuilder.Metadata.Add(new HostAttribute(hosts));
endpointBuilder.DisplayName += " HOST: " + hostsDisplay;
});
return conventionBuilder;
}
private void SetupBranch(IApplicationBuilder app, string name)
{
app.UseRouting();
app.UseEndpoints(endpoints =>
{
endpoints.MapGet("api/get/{id}", (context) => context.Response.WriteAsync($"{name} - API Get {context.Request.RouteValues["id"]}"));
});
}
}
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