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|
//go:build none
package main
import (
"context"
"errors"
"fmt"
"net"
"os"
"os/signal"
"syscall"
"time"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/huh"
"github.com/charmbracelet/lipgloss"
"github.com/charmbracelet/log"
"github.com/charmbracelet/ssh"
"github.com/charmbracelet/wish"
"github.com/charmbracelet/wish/activeterm"
"github.com/charmbracelet/wish/bubbletea"
)
const (
host = "localhost"
port = "2222"
)
func main() {
s, err := wish.NewServer(
wish.WithAddress(net.JoinHostPort(host, port)),
wish.WithHostKeyPath(".ssh/id_ed25519"),
wish.WithMiddleware(
bubbletea.Middleware(teaHandler),
activeterm.Middleware(),
),
)
if err != nil {
log.Error("Could not start server", "error", err)
}
done := make(chan os.Signal, 1)
signal.Notify(done, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
log.SetReportTimestamp(false)
log.Infof("Running form over ssh, connect with:")
fmt.Printf("\n ssh %s -p %s\n\n", host, port)
go func() {
if err = s.ListenAndServe(); err != nil && !errors.Is(err, ssh.ErrServerClosed) {
log.Error("Could not start server", "error", err)
done <- nil
}
}()
<-done
log.Info("Stopping SSH server")
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
if err := s.Shutdown(ctx); err != nil && !errors.Is(err, ssh.ErrServerClosed) {
log.Error("Could not stop server", "error", err)
}
}
func teaHandler(s ssh.Session) (tea.Model, []tea.ProgramOption) {
form := huh.NewForm(
huh.NewGroup(
huh.NewInput().Title("Username").Key("username"),
huh.NewInput().Title("Password").EchoMode(huh.EchoModePassword),
),
)
r := bubbletea.MakeRenderer(s)
style := r.NewStyle().
Border(lipgloss.NormalBorder()).
Padding(1, 2).
BorderForeground(lipgloss.Color("#444444")).
Foreground(lipgloss.Color("#7571F9"))
custom := huh.ThemeBase()
custom.Blurred.Title = r.NewStyle().
Foreground(lipgloss.Color("#444"))
custom.Blurred.TextInput.Prompt = r.NewStyle().
Foreground(lipgloss.Color("#444"))
custom.Blurred.TextInput.Text = r.NewStyle().
Foreground(lipgloss.Color("#444"))
custom.Focused.TextInput.Cursor = r.NewStyle().
Foreground(lipgloss.Color("#7571F9"))
custom.Focused.Base = r.NewStyle().
Padding(0, 1).
Border(lipgloss.ThickBorder(), false).
BorderLeft(true).
BorderForeground(lipgloss.Color("#7571F9"))
form.WithTheme(custom)
m := model{form: form, style: style}
return m, []tea.ProgramOption{tea.WithAltScreen()}
}
type model struct {
form *huh.Form
style lipgloss.Style
loggedIn bool
}
func (m model) Init() tea.Cmd {
if m.form == nil {
return nil
}
return m.form.Init()
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
var cmds []tea.Cmd
if m.form != nil {
f, cmd := m.form.Update(msg)
m.form = f.(*huh.Form)
cmds = append(cmds, cmd)
}
m.loggedIn = m.form.State == huh.StateCompleted
if m.form.State == huh.StateAborted {
return m, tea.Quit
}
switch msg := msg.(type) {
case tea.KeyMsg:
switch msg.String() {
case "q", "ctrl+c":
return m, tea.Quit
}
}
return m, tea.Batch(cmds...)
}
func (m model) View() string {
if m.form == nil {
return "Starting..."
}
if m.loggedIn {
return m.style.Render("Welcome, " + m.form.GetString("username") + "!")
}
return m.form.View()
}
|
