51 lines
2.3 KiB
C#
51 lines
2.3 KiB
C#
using Microsoft.AspNetCore.Builder;
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using Yarp.ReverseProxy.Configuration;
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namespace KonSoft.InternalGateway.Extensions
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{
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public static class YarpSwaggerUIBuilderExtensions
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{
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public static IApplicationBuilder UseSwaggerUIWithYarp(this IApplicationBuilder app)
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{
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var serviceProvider = app.ApplicationServices;
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app.UseSwagger();
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app.UseSwaggerUI(options =>
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{
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var configuration = serviceProvider.GetRequiredService<IConfiguration>();
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var logger = serviceProvider.GetRequiredService<ILogger<Program>>();
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var proxyConfigProvider = serviceProvider.GetRequiredService<IProxyConfigProvider>();
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var yarpConfig = proxyConfigProvider.GetConfig();
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var routedClusters = yarpConfig.Clusters
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.SelectMany(t => t.Destinations,
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(clusterId, destination) => new { clusterId.ClusterId, destination.Value });
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var groupedClusters = routedClusters
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.GroupBy(q => q.Value.Address)
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.Select(t => t.First())
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.Distinct()
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.ToList();
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var gatewayUrl = configuration["GatewayUrl"];
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foreach (var clusterGroup in groupedClusters)
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{
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var routeConfig = yarpConfig.Routes.FirstOrDefault(q =>
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q.ClusterId == clusterGroup.ClusterId);
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if (routeConfig == null)
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{
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logger.LogWarning($"Swagger UI: Couldn't find route configuration for {clusterGroup.ClusterId}...");
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continue;
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}
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// options.SwaggerEndpoint($"{clusterGroup.Value.Address}/swagger/v1/swagger.json", $"{routeConfig.RouteId} API");
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options.SwaggerEndpoint(new Uri(new Uri(!string.IsNullOrWhiteSpace(gatewayUrl)? gatewayUrl: clusterGroup.Value.Address), $"{routeConfig.RouteId.Split("-")[0]}/swagger/v1/swagger.json").AbsoluteUri, $"{routeConfig.RouteId} API");
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options.OAuthClientId(configuration["AuthServer:SwaggerClientId"]);
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options.OAuthClientSecret(configuration["AuthServer:SwaggerClientSecret"]);
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}
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});
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return app;
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}
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}
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}
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