mctl/cmd/login.go

/*
Copyright © 2025 Jake jake.young.dev@gmail.com
*/
package cmd

import (
	"bufio"
	"fmt"
	"os"

	"code.jakeyoungdev.com/jake/mctl/cryptography"
	"github.com/jake-young-dev/mcr"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

// loginCmd represents the login command
var loginCmd = &cobra.Command{
	Use:   "login",
	Short: "Login to server and send commands",
	Long: `Login to server using saved config and enter command loop
			sending commands to server and printing the response.`,
	Run: func(cmd *cobra.Command, args []string) {
		//grab saved credentials
		server := viper.Get("server")
		password := viper.Get("password")
		port := viper.Get("port")
		fmt.Printf("Logging into %s on port %d\n", server, port)

		//setup decrypter
		// nonce := viper.Get("nonce")
		// block, err := aes.NewCipher([]byte(viper.Get("device").(string)))
		// cobra.CheckErr(err)
		// aesg, err := cipher.NewGCM(block)
		// cobra.CheckErr(err)

		// //decrypt password
		pwd := []byte(password.(string))
		// nn := []byte(nonce.(string))
		// pt, err := aesg.Open(nil, nn, pwd, nil)
		// cobra.CheckErr(err)
		pt, err := cryptography.DecryptPassword(pwd)
		cobra.CheckErr(err)

		//connect to game server
		cli := mcr.NewClient(server.(string), mcr.WithPort(port.(int)))
		err = cli.Connect(string(pt))
		cobra.CheckErr(err)
		defer cli.Close()

		//start command loop
		fmt.Println("Connected! Type 'mctl' to close")
		scanner := bufio.NewScanner(os.Stdin)
		var runningCmd string
		for runningCmd != "mctl" {
			fmt.Printf("RCON@%s /> ", server)

			if scanner.Scan() {
				runningCmd = scanner.Text()

				if runningCmd == "" {
					continue
				}

				if runningCmd == "mctl" {
					break
				}

				res, err := cli.Command(runningCmd)
				cobra.CheckErr(err)
				fmt.Printf("\n%s\n", res)
			}
		}

		fmt.Printf("Disconnected from %s\n", server)
	},
}

func init() {
	rootCmd.AddCommand(loginCmd)
}