65 lines
2.0 KiB
Plaintext
65 lines
2.0 KiB
Plaintext
var builder = WebApplication.CreateBuilder(args);
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// Configure clients
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builder.Services.AddHttpClient("GoBackend", client => {
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client.BaseAddress = new Uri("http://localhost:8080");
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});
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var app = builder.Build();
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// Handle trailing slash redirects
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app.Use(async (context, next) => {
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if (context.Request.Path.Equals("/lst", StringComparison.OrdinalIgnoreCase)) {
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context.Response.Redirect("/lst/", permanent: true);
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return;
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}
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await next();
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});
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// Proxy all requests to Go backend
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app.Use(async (context, next) => {
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// Skip special paths
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if (context.Request.Path.StartsWithSegments("/.well-known")) {
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await next();
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return;
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}
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var client = context.RequestServices.GetRequiredService<IHttpClientFactory>()
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.CreateClient("GoBackend");
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try {
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var request = new HttpRequestMessage(
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new HttpMethod(context.Request.Method),
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context.Request.Path + context.Request.QueryString);
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// Copy headers
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foreach (var header in context.Request.Headers) {
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if (!request.Headers.TryAddWithoutValidation(header.Key, header.Value.ToArray())) {
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request.Content ??= new StreamContent(context.Request.Body);
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request.Content.Headers.TryAddWithoutValidation(header.Key, header.Value.ToArray());
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}
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}
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if (context.Request.ContentLength > 0) {
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request.Content = new StreamContent(context.Request.Body);
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}
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var response = await client.SendAsync(request);
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context.Response.StatusCode = (int)response.StatusCode;
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foreach (var header in response.Headers) {
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context.Response.Headers[header.Key] = header.Value.ToArray();
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}
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if (response.Content.Headers.ContentType != null) {
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context.Response.ContentType = response.Content.Headers.ContentType.ToString();
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}
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await response.Content.CopyToAsync(context.Response.Body);
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}
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catch (HttpRequestException) {
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context.Response.StatusCode = 502;
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}
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});
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app.Run(); |