package main

import (
	"github.com/gliderlabs/ssh"
	"io"
	"log"
	"fmt"
	"os/exec"
	//"os"
	"bytes"
	"golang.org/x/crypto/ssh/terminal"
)
func checkPass(ctx ssh.Context, password string) bool{
	if ctx.User() == "alex" {
		if password == "177" {
			return true
		}
		return false
	}
	return false
}
func main() {

	 ssh.Handle(func(s ssh.Session) {
		fmt.Println("connected")
		user := s.User()
		fmt.Println(user)
		fmt.Println(s.Environ())
		fmt.Println(s.Command())
		fmt.Println(s.LocalAddr())
		fmt.Println(s.RemoteAddr())
		io.WriteString(s, "Hello "+user+"\n")

		/*var out bytes.Buffer
		cmd := exec.Command("pwd")
		cmd.Path=s.RemoteAddr().String()
		cmd.Stdout = &out
		cmd.Stdout = os.Stdout
		cmd.Stdin = os.Stdin
		cmd.Stderr = os.Stderr
		cmd.Output()
		//os.Stdout.
		fmt.Printf(out.String() + "Y")
	    //s.
		io.WriteString(s, out.String())*/
		 term := terminal.NewTerminal(s, "> ")
		 for {
			 line, err := term.ReadLine()
			 if err != nil {
				 break
			 }
			 var out bytes.Buffer
			 cmd := exec.Command(line)
			 cmd.Stdout = &out
			 cmd.Run()
			 term.Write(out.Bytes())
			 /*response := term.(line)
			 log.Println(line)
			 if response != "" {
				 term.Write(append([]byte(response), '\n'))
			 }*/
		 }
		 log.Println("terminal closed")


	})



	log.Println("starting ssh server on port: 443")
	log.Fatal(ssh.ListenAndServe(":443", nil, ssh.PasswordAuth(checkPass)))