47 lines
1.4 KiB
C#
47 lines
1.4 KiB
C#
using System;
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using System.Net;
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using System.Net.Http;
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using System.Threading;
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using System.Threading.Tasks;
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namespace FastGithub.Upgrade
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{
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/// <summary>
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/// 本机反向代理的httpHandler
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/// </summary>
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sealed class ReverseProxyHttpHandler : DelegatingHandler
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{
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/// <summary>
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/// 本机反向代理的httpHandler
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/// </summary>
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public ReverseProxyHttpHandler()
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{
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this.InnerHandler = new HttpClientHandler
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{
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ServerCertificateCustomValidationCallback = delegate { return true; }
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};
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}
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/// <summary>
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/// 替换为Loopback
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/// </summary>
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/// <param name="request"></param>
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/// <param name="cancellationToken"></param>
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/// <returns></returns>
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protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
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{
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var uri = request.RequestUri;
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if (uri != null && uri.HostNameType == UriHostNameType.Dns)
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{
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var domain = uri.Host;
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var builder = new UriBuilder(uri) { Host = IPAddress.Loopback.ToString() };
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request.RequestUri = builder.Uri;
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request.Headers.Host = domain;
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}
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return await base.SendAsync(request, cancellationToken);
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}
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}
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}
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