soft-serve

 1package ssh
 2
 3import (
 4	"time"
 5
 6	tea "charm.land/bubbletea/v2"
 7	"charm.land/wish/v2"
 8	bm "charm.land/wish/v2/bubbletea"
 9	"github.com/charmbracelet/soft-serve/pkg/access"
10	"github.com/charmbracelet/soft-serve/pkg/backend"
11	"github.com/charmbracelet/soft-serve/pkg/config"
12	"github.com/charmbracelet/soft-serve/pkg/proto"
13	"github.com/charmbracelet/soft-serve/pkg/ui/common"
14	"github.com/charmbracelet/ssh"
15	"github.com/prometheus/client_golang/prometheus"
16	"github.com/prometheus/client_golang/prometheus/promauto"
17)
18
19var tuiSessionCounter = promauto.NewCounterVec(prometheus.CounterOpts{
20	Namespace: "soft_serve",
21	Subsystem: "ssh",
22	Name:      "tui_session_total",
23	Help:      "The total number of TUI sessions",
24}, []string{"repo", "term"})
25
26var tuiSessionDuration = promauto.NewCounterVec(prometheus.CounterOpts{
27	Namespace: "soft_serve",
28	Subsystem: "ssh",
29	Name:      "tui_session_seconds_total",
30	Help:      "The total time spent in TUI sessions",
31}, []string{"repo", "term"})
32
33// SessionHandler is the soft-serve bubbletea ssh session handler.
34// This middleware must be run after the ContextMiddleware.
35func SessionHandler(s ssh.Session) *tea.Program {
36	pty, _, active := s.Pty()
37	if !active {
38		return nil
39	}
40
41	ctx := s.Context()
42	be := backend.FromContext(ctx)
43	cfg := config.FromContext(ctx)
44	cmd := s.Command()
45	initialRepo := ""
46	if len(cmd) == 1 {
47		initialRepo = cmd[0]
48	}
49
50	auth := be.AccessLevelByPublicKey(ctx, initialRepo, s.PublicKey())
51	if auth < access.ReadOnlyAccess {
52		wish.Fatalln(s, proto.ErrUnauthorized)
53		return nil
54	}
55
56	opts := bm.MakeOptions(s)
57	opts = append(opts,
58		tea.WithoutCatchPanics(),
59		tea.WithContext(ctx),
60		tea.WithColorProfile(common.DefaultColorProfile),
61	)
62
63	c := common.NewCommon(ctx, pty.Window.Width, pty.Window.Height)
64	c.SetValue(common.ConfigKey, cfg)
65	m := NewUI(c, initialRepo)
66	p := tea.NewProgram(m, opts...)
67
68	tuiSessionCounter.WithLabelValues(initialRepo, pty.Term).Inc()
69
70	start := time.Now()
71	go func() {
72		<-ctx.Done()
73		tuiSessionDuration.WithLabelValues(initialRepo, pty.Term).Add(time.Since(start).Seconds())
74	}()
75
76	return p
77}