89 lines
3.3 KiB
C#
89 lines
3.3 KiB
C#
using FastGithub.ReverseProxy;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Server.Kestrel.Core;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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using System;
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using System.Collections.Concurrent;
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using System.Security.Cryptography.X509Certificates;
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using System.Threading;
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namespace FastGithub
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{
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/// <summary>
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/// Kestrel扩展
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/// </summary>
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public static class KestrelServerOptionsExtensions
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{
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/// <summary>
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/// 域名与证书
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/// </summary>
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private static readonly ConcurrentDictionary<string, Lazy<X509Certificate2>> domainCerts = new();
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/// <summary>
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/// 监听github的反向代理
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/// </summary>
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/// <param name="kestrel"></param>
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/// <param name="caPublicCerPath"></param>
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/// <param name="caPrivateKeyPath"></param>
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public static void ListenGithubReverseProxy(this KestrelServerOptions kestrel, string caPublicCerPath, string caPrivateKeyPath)
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{
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var loggerFactory = kestrel.ApplicationServices.GetRequiredService<ILoggerFactory>();
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var logger = loggerFactory.CreateLogger($"{nameof(FastGithub)}.{nameof(ReverseProxy)}");
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TryInstallCaCert(caPublicCerPath, logger);
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kestrel.ListenAnyIP(443, listen =>
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listen.UseHttps(https =>
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https.ServerCertificateSelector = (ctx, domain) =>
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GetOrCreateCert(domain)));
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logger.LogInformation("反向代理服务启动成功");
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X509Certificate2 GetOrCreateCert(string key)
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{
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if (key == string.Empty)
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{
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key = "github.com";
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}
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return domainCerts.GetOrAdd(key, domain => new Lazy<X509Certificate2>(() =>
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{
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var domains = new[] { domain };
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var validFrom = DateTime.Today.AddYears(-1);
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var validTo = DateTime.Today.AddYears(10);
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return CertGenerator.Generate(domains, 2048, validFrom, validTo, caPublicCerPath, caPrivateKeyPath);
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}, LazyThreadSafetyMode.ExecutionAndPublication)).Value;
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}
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}
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/// <summary>
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/// 安装根证书
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/// </summary>
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/// <param name="caPublicCerPath"></param>
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/// <param name="logger"></param>
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private static void TryInstallCaCert(string caPublicCerPath, ILogger logger)
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{
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if (OperatingSystem.IsWindows())
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{
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try
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{
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var caCert = new X509Certificate2(caPublicCerPath);
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using var store = new X509Store(StoreName.Root, StoreLocation.LocalMachine);
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store.Open(OpenFlags.ReadWrite);
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if (store.Certificates.Find(X509FindType.FindByThumbprint, caCert.Thumbprint, true).Count == 0)
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{
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store.Add(caCert);
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store.Close();
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}
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}
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catch (Exception)
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{
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logger.LogError($"安装根证书{caPublicCerPath}失败：请手动安装到“将所有的证书都放入下载存储”\\“受信任的根证书颁发机构”");
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}
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}
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}
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}
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}
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