mirror of
https://github.com/proxysu/ProxySU.git
synced 2024-11-25 06:36:08 +03:00
781 lines
25 KiB
C#
781 lines
25 KiB
C#
using ProxySuper.Core.Helpers;
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using ProxySuper.Core.Models;
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using ProxySuper.Core.Models.Projects;
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using Renci.SshNet;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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namespace ProxySuper.Core.Services
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{
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public enum CmdType
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{
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None,
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Apt,
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Dnf,
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Yum
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}
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public abstract class ProjectBase<TSettings> where TSettings : IProjectSettings
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{
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private SshClient _sshClient;
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protected Action<string> WriteOutput;
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protected CmdType CmdType { get; set; }
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protected bool IsSELinux { get; set; }
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protected bool OnlyIpv6 { get; set; }
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protected string IPv4 { get; set; }
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protected string IPv6 { get; set; }
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protected TSettings Parameters { get; set; }
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public ProjectBase(SshClient sshClient, TSettings parameters, Action<string> writeOutput)
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{
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_sshClient = sshClient;
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WriteOutput = writeOutput;
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Parameters = parameters;
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}
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protected string RunCmd(string cmdStr)
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{
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var cmd = _sshClient.CreateCommand(cmdStr);
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WriteOutput(cmdStr);
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var result = cmd.Execute();
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WriteOutput(result);
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return result;
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}
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/// <summary>
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/// 执行安装命令
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/// </summary>
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public abstract void Install();
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/// <summary>
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/// 配置系统基础环境
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/// </summary>
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protected void EnsureSystemEnv()
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{
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string cmd;
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// 确认安装命令
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if (CmdType == CmdType.None)
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{
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cmd = RunCmd("command -v apt-get");
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if (!string.IsNullOrEmpty(cmd))
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{
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CmdType = CmdType.Apt;
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}
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}
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if (CmdType == CmdType.None)
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{
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cmd = RunCmd("command -v dnf");
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if (!string.IsNullOrEmpty(cmd))
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{
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CmdType = CmdType.Dnf;
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}
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}
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if (CmdType == CmdType.None)
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{
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cmd = RunCmd("command -v yum");
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if (!string.IsNullOrEmpty(cmd))
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{
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CmdType = CmdType.Yum;
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}
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}
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// systemctl
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cmd = RunCmd("command -v systemctl");
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var hasSystemCtl = !string.IsNullOrEmpty(cmd);
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// SELinux
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cmd = RunCmd("command -v getenforce");
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IsSELinux = !string.IsNullOrEmpty(cmd);
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if (CmdType == CmdType.None || !hasSystemCtl)
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{
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throw new Exception("系统缺乏必要的安装组件如:apt-get||dnf||yum||Syetemd，主机系统推荐使用：CentOS 7/8,Debian 8/9/10,Ubuntu 16.04及以上版本");
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}
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// 判断是否启用了SELinux,如果启用了，并且工作在Enforcing模式下，则改为Permissive模式
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if (IsSELinux)
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{
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cmd = RunCmd("getenforce");
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// 检测到系统启用SELinux，且工作在严格模式下，需改为宽松模式
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if (cmd.Contains("Enforcing"))
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{
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RunCmd("setenforce 0");
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RunCmd(@"sed -i 's/SELINUX=enforcing/SELINUX=permissive/' /etc/selinux/config");
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}
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}
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}
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/// <summary>
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/// 确保Root账户登陆
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/// </summary>
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protected void EnsureRootAuth()
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{
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// 禁止一些可能产生的干扰信息
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RunCmd(@"sed -i 's/echo/#echo/g' ~/.bashrc");
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RunCmd(@"sed -i 's/echo/#echo/g' ~/.profile");
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// 检测是否运行在Root权限下
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var cmd = RunCmd("id -u");
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if (!cmd.Equals("0\n"))
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{
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throw new Exception("请使用Root账户登陆主机");
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}
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}
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/// <summary>
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/// 配置IPV6环境
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/// </summary>
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protected void ConfigureIPv6()
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{
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if (IsOnlyIpv6())
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{
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SetNat64();
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}
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}
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/// <summary>
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/// 配置必要的软件
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/// </summary>
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protected void ConfigureSoftware()
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{
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string cmd = RunCmd("command -v sudo");
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if (string.IsNullOrEmpty(cmd))
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{
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RunCmd(GetInstallCmd("sudo"));
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}
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// 安装curl,wget,unzip
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cmd = RunCmd("command -v curl");
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if (string.IsNullOrEmpty(cmd))
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{
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RunCmd(GetInstallCmd("curl"));
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}
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cmd = RunCmd("command -v wget");
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if (string.IsNullOrEmpty(cmd))
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{
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RunCmd(GetInstallCmd("wget"));
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}
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cmd = RunCmd("command -v unzip");
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if (string.IsNullOrEmpty(cmd))
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{
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RunCmd(GetInstallCmd("unzip"));
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}
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// 安装dig
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cmd = RunCmd("command -v dig");
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if (string.IsNullOrEmpty(cmd))
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{
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if (CmdType == CmdType.Apt)
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{
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RunCmd(GetUpdateCmd());
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RunCmd(GetInstallCmd("dnsutils"));
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}
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else if (CmdType == CmdType.Dnf)
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{
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RunCmd(GetUpdateCmd());
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RunCmd(GetInstallCmd("bind-utils"));
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}
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else if (CmdType == CmdType.Yum)
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{
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RunCmd(GetUpdateCmd());
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RunCmd(GetInstallCmd("bind-utils"));
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}
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}
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// 处理极其少见的xz-utils未安装的情况
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if (CmdType == CmdType.Apt)
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{
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RunCmd(GetInstallCmd("xz-utils"));
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}
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else
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{
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RunCmd(GetInstallCmd("xz-devel"));
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}
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// 检测是否安装lsof
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cmd = RunCmd("command -v lsof");
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if (string.IsNullOrEmpty(cmd))
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{
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RunCmd(GetInstallCmd("lsof"));
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}
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}
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/// <summary>
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/// 关闭端口
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/// </summary>
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/// <param name="portList"></param>
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protected void ClosePort(params int[] portList)
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{
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string cmd;
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cmd = RunCmd("command -v firewall-cmd");
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if (!string.IsNullOrEmpty(cmd))
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{
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//有很奇怪的vps主机，在firewalld未运行时，端口是关闭的，无法访问。所以要先启动firewalld
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//用于保证acme.sh申请证书成功
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cmd = RunCmd("firewall-cmd --state");
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if (cmd.Trim() != "running")
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{
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RunCmd("systemctl restart firewalld");
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}
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foreach (var port in portList)
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{
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RunCmd($"firewall-cmd --zone=public --remove-port={port}/tcp --permanent");
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RunCmd($"firewall-cmd --zone=public --remove-port={port}/udp --permanent");
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}
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RunCmd("yes | firewall-cmd --reload");
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}
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else
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{
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cmd = RunCmd("command -v ufw");
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if (!string.IsNullOrEmpty(cmd))
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{
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foreach (var port in portList)
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{
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RunCmd($"ufw delete allow {port}/tcp");
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RunCmd($"ufw delete allow {port}/udp");
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}
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RunCmd("yes | ufw reload");
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}
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}
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}
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/// <summary>
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/// 开放端口
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/// </summary>
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/// <param name="portList"></param>
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protected void OpenPort(params int[] portList)
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{
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string cmd;
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cmd = RunCmd("command -v firewall-cmd");
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if (!string.IsNullOrEmpty(cmd))
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{
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//有很奇怪的vps主机，在firewalld未运行时，端口是关闭的，无法访问。所以要先启动firewalld
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//用于保证acme.sh申请证书成功
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cmd = RunCmd("firewall-cmd --state");
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if (cmd.Trim() != "running")
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{
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RunCmd("systemctl restart firewalld");
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}
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foreach (var port in portList)
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{
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RunCmd($"firewall-cmd --zone=public --add-port={port}/tcp --permanent");
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RunCmd($"firewall-cmd --zone=public --add-port={port}/udp --permanent");
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}
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RunCmd("yes | firewall-cmd --reload");
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}
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else
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{
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cmd = RunCmd("command -v ufw");
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if (!string.IsNullOrEmpty(cmd))
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{
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foreach (var port in portList)
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{
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RunCmd($"ufw allow {port}/tcp");
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RunCmd($"ufw allow {port}/udp");
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}
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RunCmd("yes | ufw reload");
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}
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}
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}
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/// <summary>
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/// 配置防火墙
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/// </summary>
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protected void ConfigureFirewall()
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{
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var portList = new List<int>();
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portList.Add(80);
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portList.Add(Parameters.Port);
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portList.AddRange(Parameters.FreePorts);
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OpenPort(portList.ToArray());
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}
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/// <summary>
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/// 配置同步时间差
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/// </summary>
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protected void SyncTimeDiff()
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{
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RunCmd("rm -f /etc/localtime");
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RunCmd("ln -s /usr/share/zoneinfo/UTC /etc/localtime");
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var result = RunCmd("date +%s");
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var vpsSeconds = Convert.ToInt64(result);
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var localSeconds = (int)(DateTime.Now.ToUniversalTime() - DateTime.Parse("1970-01-01")).TotalSeconds;
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if (Math.Abs(vpsSeconds - localSeconds) >= 90)
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{
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// 同步本地时间
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var netUtcTime = DateTimeUtils.GetUTCTime();
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DateTimeUtils.SetDate(netUtcTime.ToLocalTime());
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// 同步VPS时间
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var utcTS = DateTimeUtils.GetUTCTime() - new DateTime(1970, 1, 1, 0, 0, 0, 0);
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long timeStampVPS = Convert.ToInt64(utcTS.TotalSeconds);
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RunCmd($"date --set=\"$(date \"+%Y-%m-%d %H:%M:%S\" -d @{timeStampVPS.ToString()})\"");
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}
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}
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/// <summary>
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/// 验证域名是否绑定了主机
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/// </summary>
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protected void ValidateDomain()
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{
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if (OnlyIpv6)
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{
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string cmdFilter = @"| grep -oE '(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))' | head -n 1";
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var cmd = $"dig @resolver1.opendns.com AAAA {Parameters.Domain} +short -6 {cmdFilter}";
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var result = RunCmd(cmd).TrimEnd('\r', '\n');
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if (result == IPv6) return;
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}
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else
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{
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string cmdFilter = @"| grep -oE '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+' | head -n 1";
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var cmd = $"dig @resolver1.opendns.com A {Parameters.Domain} +short -4 {cmdFilter}";
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var result = RunCmd(cmd).TrimEnd('\r', '\n');
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if (result == IPv4) return;
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}
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var btnResult = MessageBox.Show(
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$"{Parameters.Domain}未能正常解析到服务器的IP，如果您使用了CDN请忽略，是否继续安装?", "提示", MessageBoxButton.YesNo);
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if (btnResult == MessageBoxResult.No)
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{
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throw new Exception($"域名解析失败，安装停止!");
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}
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}
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/// <summary>
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/// 判断是否安装某个软件
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/// </summary>
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/// <param name="path"></param>
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/// <returns></returns>
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protected bool FileExists(string path)
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{
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var cmdStr = $"if [[ -f {path} ]];then echo '1';else echo '0'; fi";
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var cmd = RunCmd(cmdStr);
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return cmd.Trim() == "1";
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}
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/// <summary>
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/// 安装 Caddy
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/// </summary>
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protected void InstallCaddy()
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{
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if (CmdType == CmdType.Apt)
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{
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RunCmd("sudo apt -y install debian-keyring debian-archive-keyring apt-transport-https");
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RunCmd("echo yes | curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | sudo apt-key add -");
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RunCmd("echo yes | curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt' | sudo tee /etc/apt/sources.list.d/caddy-stable.list");
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RunCmd("sudo apt -y update");
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RunCmd("sudo apt -y install caddy");
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}
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if (CmdType == CmdType.Dnf)
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{
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RunCmd("dnf -y install 'dnf-command(copr)'");
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RunCmd("dnf -y copr enable @caddy/caddy");
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RunCmd("dnf -y install caddy");
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}
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if (CmdType == CmdType.Yum)
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{
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RunCmd("yum -y install yum-plugin-copr");
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RunCmd("yum -y copr enable @caddy/caddy");
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RunCmd("yum -y install caddy");
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}
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RunCmd("systemctl enable caddy.service");
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}
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/// <summary>
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/// 卸载 Caddy
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/// </summary>
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protected void UninstallCaddy()
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{
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RunCmd("systemctl stop caddy");
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if (CmdType == CmdType.Apt)
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{
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RunCmd("sudo apt -y remove caddy");
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}
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if (CmdType == CmdType.Dnf)
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{
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RunCmd("dnf -y remove caddy");
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}
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if (CmdType == CmdType.Yum)
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{
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RunCmd("yum -y remove caddy");
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}
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RunCmd("rm -rf /usr/bin/caddy");
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RunCmd("rm -rf /usr/share/caddy");
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RunCmd("rm -rf /etc/caddy");
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}
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#region 检测系统环境
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private bool IsOnlyIpv6()
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{
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string cmd;
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cmd = RunCmd(@"curl -s https://api.ip.sb/ip --ipv4 --max-time 8");
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IPv4 = cmd.TrimEnd('\r', '\n');
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if (!string.IsNullOrEmpty(IPv4))
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{
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OnlyIpv6 = false;
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return false;
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}
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cmd = RunCmd(@"curl -s https://api.ip.sb/ip --ipv6 --max-time 8");
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IPv6 = cmd.TrimEnd('\r', '\n');
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if (string.IsNullOrEmpty(IPv6))
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{
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throw new Exception("未检测到可用的的IP地址");
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}
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OnlyIpv6 = true;
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return OnlyIpv6;
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}
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private bool SetPortFree(int port, bool force = true)
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{
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string result = RunCmd($"lsof -n -P -i :{port} | grep LISTEN");
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if (!string.IsNullOrEmpty(result))
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{
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if (force)
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{
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var btnResult = MessageBox.Show($"{port}端口被占用，将强制停止占用{port}端口的程序?", "提示", MessageBoxButton.YesNo);
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if (btnResult == MessageBoxResult.No)
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{
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throw new Exception($"{port}端口被占用，安装停止!");
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}
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string[] process = result.Split(' ');
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RunCmd($"systemctl stop {process[0]}");
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RunCmd($"systemctl disable {process[0]}");
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RunCmd($"pkill {process[0]}");
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return SetPortFree(port, force: false);
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}
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else
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{
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return false;
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}
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}
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return true;
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}
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public void ConfigurePort()
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{
|
||
if (Parameters.Port == 80 || Parameters.Port == 443)
|
||
{
|
||
SetPortFree(80);
|
||
SetPortFree(443);
|
||
}
|
||
else
|
||
{
|
||
SetPortFree(80);
|
||
SetPortFree(443);
|
||
SetPortFree(Parameters.Port);
|
||
|
||
Parameters.FreePorts.ForEach(port =>
|
||
{
|
||
SetPortFree(port);
|
||
});
|
||
}
|
||
}
|
||
|
||
protected void SetNat64()
|
||
{
|
||
var dns64List = FilterFastestIP();
|
||
if (dns64List.Count == 0)
|
||
{
|
||
throw new Exception("未找到有效的Nat64网关");
|
||
}
|
||
|
||
var exists = FileExists("/etc/resolv.conf.proxysu");
|
||
if (!exists)
|
||
{
|
||
var cmdStr = @"mv /etc/resolv.conf /etc/resolv.conf.proxysu";
|
||
RunCmd(cmdStr);
|
||
}
|
||
|
||
foreach (var gateip in dns64List)
|
||
{
|
||
RunCmd($"echo \"nameserver {gateip}\" > /etc/resolv.conf");
|
||
}
|
||
}
|
||
|
||
protected void RemoveNat64()
|
||
{
|
||
RunCmd("rm /etc/resolv.conf");
|
||
RunCmd("mv /etc/resolv.conf.proxysu /etc/resolv.conf");
|
||
}
|
||
|
||
private List<string> FilterFastestIP()
|
||
{
|
||
string[] gateNat64 = {
|
||
"2a01:4f9:c010:3f02::1",
|
||
"2001:67c:2b0::4",
|
||
"2001:67c:2b0::6",
|
||
"2a09:11c0:f1:bbf0::70",
|
||
"2a01:4f8:c2c:123f::1",
|
||
"2001:67c:27e4:15::6411",
|
||
"2001:67c:27e4::64",
|
||
"2001:67c:27e4:15::64",
|
||
"2001:67c:27e4::60",
|
||
"2a00:1098:2b::1",
|
||
"2a03:7900:2:0:31:3:104:161",
|
||
"2a00:1098:2c::1",
|
||
"2a09:11c0:100::53",
|
||
};
|
||
|
||
Dictionary<string, float> dns64List = new Dictionary<string, float>();
|
||
foreach (var gateip in gateNat64)
|
||
{
|
||
var cmdStr = $"ping6 -c4 {gateip} | grep avg | awk '{{print $4}}'|cut -d/ -f2";
|
||
var cmd = RunCmd(cmdStr);
|
||
if (!string.IsNullOrEmpty(cmd))
|
||
{
|
||
if (float.TryParse(cmd, out float delay))
|
||
{
|
||
dns64List.Add(gateip, delay);
|
||
}
|
||
}
|
||
}
|
||
|
||
return dns64List.Keys.ToList();
|
||
}
|
||
|
||
#endregion
|
||
|
||
|
||
#region BBR
|
||
private bool CheckKernelVersionBBR(string kernelVer)
|
||
{
|
||
string[] linuxKernelCompared = kernelVer.Split('.');
|
||
if (int.Parse(linuxKernelCompared[0]) > 4)
|
||
{
|
||
return true;
|
||
}
|
||
else if (int.Parse(linuxKernelCompared[0]) < 4)
|
||
{
|
||
return false;
|
||
}
|
||
else if (int.Parse(linuxKernelCompared[0]) == 4)
|
||
{
|
||
if (int.Parse(linuxKernelCompared[1]) >= 9)
|
||
{
|
||
return true;
|
||
}
|
||
else if (int.Parse(linuxKernelCompared[1]) < 9)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
}
|
||
return false;
|
||
|
||
}
|
||
|
||
protected void EnableBBR()
|
||
{
|
||
var osVersion = RunCmd("uname -r");
|
||
var canInstallBBR = CheckKernelVersionBBR(osVersion.Split('-')[0]);
|
||
|
||
var bbrInfo = RunCmd("sysctl net.ipv4.tcp_congestion_control | grep bbr");
|
||
var installed = bbrInfo.Contains("bbr");
|
||
if (canInstallBBR && !installed)
|
||
{
|
||
RunCmd(@"bash -c 'echo ""net.core.default_qdisc=fq"" >> /etc/sysctl.conf'");
|
||
RunCmd(@"bash -c 'echo ""net.ipv4.tcp_congestion_control=bbr"" >> /etc/sysctl.conf'");
|
||
RunCmd(@"sysctl -p");
|
||
|
||
if (OnlyIpv6)
|
||
{
|
||
RemoveNat64();
|
||
}
|
||
WriteOutput("BBR启动成功");
|
||
}
|
||
|
||
if (!canInstallBBR)
|
||
{
|
||
WriteOutput("****** 系统不满足启用BBR条件，启动失败。 ******");
|
||
}
|
||
|
||
}
|
||
#endregion
|
||
|
||
/// <summary>
|
||
/// 安装证书
|
||
/// </summary>
|
||
/// <param name="certPath"></param>
|
||
/// <param name="keyPath"></param>
|
||
protected void InstallCert(string dirPath, string certName, string keyName)
|
||
{
|
||
string certPath = dirPath + "/" + certName;
|
||
string keyPath = dirPath + "/" + keyName;
|
||
|
||
// 安装依赖
|
||
RunCmd(GetInstallCmd("socat"));
|
||
|
||
// 解决搬瓦工CentOS缺少问题
|
||
RunCmd(GetInstallCmd("automake autoconf libtool"));
|
||
|
||
// 安装Acme
|
||
var result = RunCmd($"curl https://get.acme.sh yes | sh");
|
||
if (result.Contains("Install success"))
|
||
{
|
||
WriteOutput("安装 acme.sh 成功");
|
||
}
|
||
else
|
||
{
|
||
WriteOutput("安装 acme.sh 失败，请联系开发者！");
|
||
throw new Exception("安装 acme.sh 失败，请联系开发者！");
|
||
}
|
||
|
||
RunCmd("cd ~/.acme.sh/");
|
||
RunCmd("alias acme.sh=~/.acme.sh/acme.sh");
|
||
|
||
// 申请证书
|
||
if (OnlyIpv6)
|
||
{
|
||
var cmd = $"/root/.acme.sh/acme.sh --force --debug --issue --standalone -d {Parameters.Domain} --listen-v6 --pre-hook \"systemctl stop caddy\" --post-hook \"systemctl start caddy\"";
|
||
result = RunCmd(cmd);
|
||
}
|
||
else
|
||
{
|
||
var cmd = $"/root/.acme.sh/acme.sh --force --debug --issue --standalone -d {Parameters.Domain} --pre-hook \"systemctl stop caddy\" --post-hook \"systemctl start caddy\"";
|
||
result = RunCmd(cmd);
|
||
}
|
||
|
||
if (result.Contains("success"))
|
||
{
|
||
WriteOutput("申请证书成功");
|
||
}
|
||
else
|
||
{
|
||
WriteOutput("申请证书失败，如果申请次数过多请更换二级域名，或联系开发者！");
|
||
throw new Exception("申请证书失败，如果申请次数过多请更换二级域名，或联系开发者！");
|
||
}
|
||
|
||
// 安装证书
|
||
RunCmd($"mkdir -p {dirPath}");
|
||
RunCmd($"/root/.acme.sh/acme.sh --installcert -d {Parameters.Domain} --certpath {certPath} --keypath {keyPath} --capath {certPath}");
|
||
|
||
result = RunCmd($@"if [ ! -f ""{keyPath}"" ]; then echo ""0""; else echo ""1""; fi | head -n 1");
|
||
|
||
if (result.Contains("1"))
|
||
{
|
||
WriteOutput("安装证书成功");
|
||
}
|
||
else
|
||
{
|
||
WriteOutput("安装证书失败，请联系开发者！");
|
||
throw new Exception("安装证书失败，请联系开发者！");
|
||
}
|
||
|
||
RunCmd($"chmod 755 {dirPath}");
|
||
}
|
||
|
||
/// <summary>
|
||
/// 上传文件
|
||
/// </summary>
|
||
/// <param name="stream"></param>
|
||
/// <param name="path"></param>
|
||
protected void UploadFile(Stream stream, string path)
|
||
{
|
||
using (var sftp = new SftpClient(_sshClient.ConnectionInfo))
|
||
{
|
||
sftp.Connect();
|
||
sftp.UploadFile(stream, path, true);
|
||
sftp.Disconnect();
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 根据系统环境匹配更新命令
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
protected string GetUpdateCmd()
|
||
{
|
||
if (CmdType == CmdType.Apt)
|
||
{
|
||
return "apt-get update";
|
||
}
|
||
else if (CmdType == CmdType.Dnf)
|
||
{
|
||
return "dnf clean all;dnf makecache";
|
||
}
|
||
else if (CmdType == CmdType.Yum)
|
||
{
|
||
return "yum clean all;yum makecache";
|
||
}
|
||
|
||
throw new Exception("未识别的系统");
|
||
}
|
||
|
||
/// <summary>
|
||
/// 根据系统匹配安装命令
|
||
/// </summary>
|
||
/// <param name="soft"></param>
|
||
/// <returns></returns>
|
||
protected string GetInstallCmd(string soft)
|
||
{
|
||
if (CmdType == CmdType.Apt)
|
||
{
|
||
return "apt-get -y install " + soft;
|
||
}
|
||
else if (CmdType == CmdType.Dnf)
|
||
{
|
||
return "dnf -y install " + soft;
|
||
}
|
||
else if (CmdType == CmdType.Yum)
|
||
{
|
||
return "yum -y install " + soft;
|
||
}
|
||
|
||
throw new Exception("未识别的系统");
|
||
}
|
||
}
|
||
}
|