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移除LocalMachine类

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This commit is contained in:
老九 2021-09-19 15:19:51 +08:00
parent 19db6388db
commit 351be8c207
5 changed files with 99 additions and 101 deletions
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94
FastGithub.Configuration/LocalMachine.cs
View File

@ -1,94 +0,0 @@
using System.Collections.Generic;
using System.Linq;
using System.Net.NetworkInformation;
using System.Net.Sockets;
namespace FastGithub.Configuration
{
/// <summary>
/// 提供本机设备信息
/// </summary>
public static class LocalMachine
{
/// <summary>
/// 获取可用的随机Tcp端口
/// </summary>
/// <param name="addressFamily"></param>
/// <param name="min">最小值</param>
/// <returns></returns>
public static int GetAvailableTcpPort(AddressFamily addressFamily, int min = 1025)
{
var hashSet = new HashSet<int>();
var tcpListeners = IPGlobalProperties.GetIPGlobalProperties().GetActiveTcpListeners();
foreach (var item in tcpListeners)
{
if (item.AddressFamily == addressFamily)
{
hashSet.Add(item.Port);
}
}
for (var port = min; port < ushort.MaxValue; port++)
{
if (hashSet.Contains(port) == false)
{
return port;
}
}
throw new FastGithubException("当前无可用的端口");
}
/// <summary>
/// 获取可用的随机端口
/// </summary>
/// <param name="addressFamily"></param>
/// <param name="min">最小值</param>
/// <returns></returns>
public static int GetAvailablePort(AddressFamily addressFamily, int min = 1025)
{
var hashSet = new HashSet<int>();
var tcpListeners = IPGlobalProperties.GetIPGlobalProperties().GetActiveTcpListeners();
var udpListeners = IPGlobalProperties.GetIPGlobalProperties().GetActiveUdpListeners();
foreach (var item in tcpListeners)
{
if (item.AddressFamily == addressFamily)
{
hashSet.Add(item.Port);
}
}
foreach (var item in udpListeners)
{
if (item.AddressFamily == addressFamily)
{
hashSet.Add(item.Port);
}
}
for (var port = min; port < ushort.MaxValue; port++)
{
if (hashSet.Contains(port) == false)
{
return port;
}
}
throw new FastGithubException("当前无可用的端口");
}
/// <summary>
/// 是否可以监听指定tcp端口
/// </summary>
/// <param name="port"></param>
/// <returns></returns>
public static bool CanListenTcp(int port)
{
var tcpListeners = IPGlobalProperties.GetIPGlobalProperties().GetActiveTcpListeners();
return tcpListeners.Any(item => item.Port == port) == false;
}
}
}

2
FastGithub.Dns/DnsInterceptor.cs
View File

@ -162,7 +162,7 @@ namespace FastGithub.Dns
}
WinDivert.WinDivertHelperCalcChecksums(winDivertBuffer, packetLength, ref winDivertAddress, WinDivertChecksumHelperParam.All);
this.logger.LogInformation($"已拦截dns查询{domain}并伪造响应内容为{IPAddress.Loopback}");
this.logger.LogInformation($"已拦截dns查询{domain}并伪造解析结果为{IPAddress.Loopback}");
}
}
}

46
FastGithub.DomainResolve/DnscryptProxy.cs
View File

@ -1,9 +1,12 @@
using FastGithub.Configuration;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Threading;
using System.Threading.Tasks;
@ -35,7 +38,7 @@ namespace FastGithub.DomainResolve
public async Task StartAsync(CancellationToken cancellationToken)
{
var tomlPath = Path.Combine(PATH, $"{NAME}.toml");
var port = LocalMachine.GetAvailablePort(IPAddress.Loopback.AddressFamily, min: 5533);
var port = GetAvailablePort(IPAddress.Loopback.AddressFamily);
var localEndPoint = new IPEndPoint(IPAddress.Loopback, port);
await TomlUtil.SetListensAsync(tomlPath, localEndPoint, cancellationToken);
@ -65,6 +68,47 @@ namespace FastGithub.DomainResolve
}
}
/// <summary>
/// 获取可用的随机端口
/// </summary>
/// <param name="addressFamily"></param>
/// <param name="min">最小值</param>
/// <returns></returns>
private static int GetAvailablePort(AddressFamily addressFamily, int min = 5533)
{
var hashSet = new HashSet<int>();
var tcpListeners = IPGlobalProperties.GetIPGlobalProperties().GetActiveTcpListeners();
var udpListeners = IPGlobalProperties.GetIPGlobalProperties().GetActiveUdpListeners();
foreach (var endPoint in tcpListeners)
{
if (endPoint.AddressFamily == addressFamily)
{
hashSet.Add(endPoint.Port);
}
}
foreach (var endPoint in udpListeners)
{
if (endPoint.AddressFamily == addressFamily)
{
hashSet.Add(endPoint.Port);
}
}
for (var port = min; port < IPEndPoint.MaxPort; port++)
{
if (hashSet.Contains(port) == false)
{
return port;
}
}
throw new FastGithubException("当前无可用的端口");
}
/// <summary>
/// 进程退出时
/// </summary>

35
FastGithub.HttpServer/HttpsReverseProxyPort.cs
View File

@ -1,5 +1,8 @@
using FastGithub.Configuration;
using System;
using System.Collections.Generic;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
namespace FastGithub.HttpServer
@ -12,6 +15,36 @@ namespace FastGithub.HttpServer
/// <summary>
/// 获取端口值
/// </summary>
public static int Value { get; } = OperatingSystem.IsWindows() ? 443 : LocalMachine.GetAvailableTcpPort(AddressFamily.InterNetwork);
public static int Value { get; } = OperatingSystem.IsWindows() ? 443 : GetAvailableTcpPort(AddressFamily.InterNetwork);
/// <summary>
/// 获取可用的随机Tcp端口
/// </summary>
/// <param name="addressFamily"></param>
/// <param name="min">最小值</param>
/// <returns></returns>
private static int GetAvailableTcpPort(AddressFamily addressFamily, int min = 12345)
{
var hashSet = new HashSet<int>();
var tcpListeners = IPGlobalProperties.GetIPGlobalProperties().GetActiveTcpListeners();
foreach (var endpoint in tcpListeners)
{
if (endpoint.AddressFamily == addressFamily)
{
hashSet.Add(endpoint.Port);
}
}
for (var port = min; port < IPEndPoint.MaxPort; port++)
{
if (hashSet.Contains(port) == false)
{
return port;
}
}
throw new FastGithubException("当前无可用的端口");
}
}
}

23
FastGithub.HttpServer/KestrelServerOptionsExtensions.cs
View File

@ -7,7 +7,10 @@ using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
namespace FastGithub
{
@ -36,7 +39,7 @@ namespace FastGithub
var options = kestrel.ApplicationServices.GetRequiredService<IOptions<FastGithubOptions>>().Value;
var httpProxyPort = options.HttpProxyPort;
if (LocalMachine.CanListenTcp(httpProxyPort) == false)
if (CanListenTcp(httpProxyPort) == false)
{
throw new FastGithubException($"tcp端口{httpProxyPort}已经被其它进程占用，请在配置文件更换{nameof(FastGithubOptions.HttpProxyPort)}为其它端口");
}
@ -53,7 +56,7 @@ namespace FastGithub
public static void ListenSshReverseProxy(this KestrelServerOptions kestrel)
{
const int SSH_PORT = 22;
if (LocalMachine.CanListenTcp(SSH_PORT) == true)
if (CanListenTcp(SSH_PORT) == true)
{
kestrel.Listen(IPAddress.Loopback, SSH_PORT, listen => listen.UseConnectionHandler<SshReverseProxyHandler>());
kestrel.GetLogger().LogInformation($"已监听ssh://{IPAddress.Loopback}:{SSH_PORT}，github的ssh反向代理服务启动完成");
@ -67,7 +70,7 @@ namespace FastGithub
public static void ListenHttpReverseProxy(this KestrelServerOptions kestrel)
{
const int HTTP_PORT = 80;
if (LocalMachine.CanListenTcp(HTTP_PORT) == true)
if (CanListenTcp(HTTP_PORT) == true)
{
kestrel.Listen(IPAddress.Loopback, HTTP_PORT);
kestrel.GetLogger().LogInformation($"已监听http://{IPAddress.Loopback}:{HTTP_PORT}，http反向代理服务启动完成");
@ -88,7 +91,7 @@ namespace FastGithub
TcpTable.KillPortOwner(httpsPort);
}
if (LocalMachine.CanListenTcp(httpsPort) == false)
if (CanListenTcp(httpsPort) == false)
{
throw new FastGithubException($"tcp端口{httpsPort}已经被其它进程占用");
}
@ -121,5 +124,17 @@ namespace FastGithub
var loggerFactory = kestrel.ApplicationServices.GetRequiredService<ILoggerFactory>();
return loggerFactory.CreateLogger($"{nameof(FastGithub)}.{nameof(HttpServer)}");
}
/// <summary>
/// 是否可以监听指定tcp端口
/// </summary>
/// <param name="port"></param>
/// <param name="addressFamily"></param>
/// <returns></returns>
private static bool CanListenTcp(int port, AddressFamily addressFamily = AddressFamily.InterNetwork)
{
var tcpListeners = IPGlobalProperties.GetIPGlobalProperties().GetActiveTcpListeners();
return tcpListeners.Any(item => item.AddressFamily == addressFamily && item.Port == port) == false;
}
}
}