39 lines
1.2 KiB
C#
39 lines
1.2 KiB
C#
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using Microsoft.AspNetCore.Http;
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using System.Linq;
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namespace NDB.Extensions.Swagger.ReverseProxy
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{
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public static class ReverseProxyHelper
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{
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public static (string host, string basePath, string scheme) GetUrlComponents(HttpRequest request)
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{
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var host = ExtractHost(request);
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var basePath = ExtractBasePath(request);
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var scheme = ExtractScheme(request);
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return (host, basePath, scheme);
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}
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private static string ExtractHost(HttpRequest request)
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{
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if (request.Headers.ContainsKey("X-Forwarded-Host"))
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return request.Headers["X-Forwarded-Host"].First();
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return request.Host.Value;
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}
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private static string ExtractBasePath(HttpRequest request)
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{
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if (request.Headers.ContainsKey("X-Forwarded-PathBase"))
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return request.Headers["X-Forwarded-PathBase"].First();
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return string.Empty;
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}
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private static string ExtractScheme(HttpRequest request)
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{
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return request.Headers["X-Forwarded-Proto"].FirstOrDefault() ?? request.Scheme;
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}
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}
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}
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