package main

import (
	"fmt"
	"net"

	"github.com/gliderlabs/ssh"
	"github.com/magiconair/properties"
	gossh "golang.org/x/crypto/ssh"
)

func main() {

	// 解析 server.properties
	conf := properties.MustLoadFile("server.properties", properties.UTF8)
	SSH_SERVER := struct {
		Host string
		Port string
		User string
		Pass string
	}{
		Host: conf.MustGetString("server-ip"),
		Port: conf.MustGetString("server-port"),
		User: conf.MustGetString("term-user"),
		Pass: conf.MustGetString("term-pass"),
	}

	// 创建 ssh 服务器密钥
	privateKeySigner, err := gossh.ParsePrivateKey(privatePEM)
	if err != nil {
		panic(fmt.Errorf("不能解析私钥: %v", err))
	}

	// 在指定端口开启服务
	address := net.JoinHostPort(SSH_SERVER.Host, SSH_SERVER.Port)

	s := &ssh.Server{
		Addr:    address,
		Handler: shell,
		PasswordHandler: func(ctx ssh.Context, password string) bool {
			return ctx.User() == SSH_SERVER.User && password == SSH_SERVER.Pass
		},
	}
	s.AddHostKey(privateKeySigner)

	fmt.Println("Server Address:", address)
	if err := s.ListenAndServe(); err != nil {
		panic(fmt.Errorf("不能启动服务器: %v", err))
	}
}