repos / pico

ssh.go

  1package prose
  2
  3import (
  4	"context"
  5	"os"
  6	"os/signal"
  7	"syscall"
  8	"time"
  9
 10	"github.com/picosh/pico/pkg/db/postgres"
 11	"github.com/picosh/pico/pkg/filehandlers"
 12	uploadimgs "github.com/picosh/pico/pkg/filehandlers/imgs"
 13	"github.com/picosh/pico/pkg/pssh"
 14	"github.com/picosh/pico/pkg/send/auth"
 15	"github.com/picosh/pico/pkg/send/list"
 16	"github.com/picosh/pico/pkg/send/pipe"
 17	"github.com/picosh/pico/pkg/send/protocols/rsync"
 18	"github.com/picosh/pico/pkg/send/protocols/scp"
 19	"github.com/picosh/pico/pkg/send/protocols/sftp"
 20	"github.com/picosh/pico/pkg/shared"
 21	"github.com/picosh/pico/pkg/shared/storage"
 22	"github.com/picosh/utils"
 23)
 24
 25func StartSshServer() {
 26	appName := "prose-ssh"
 27
 28	host := utils.GetEnv("PROSE_HOST", "0.0.0.0")
 29	port := utils.GetEnv("PROSE_SSH_PORT", "2222")
 30	promPort := utils.GetEnv("PROSE_PROM_PORT", "9222")
 31	cfg := NewConfigSite(appName)
 32	logger := cfg.Logger
 33
 34	ctx, cancel := context.WithCancel(context.Background())
 35	defer cancel()
 36
 37	dbh := postgres.NewDB(cfg.DbURL, cfg.Logger)
 38	defer func() {
 39		_ = dbh.Close()
 40	}()
 41
 42	hooks := &MarkdownHooks{
 43		Cfg: cfg,
 44		Db:  dbh,
 45	}
 46
 47	adapter := storage.GetStorageTypeFromEnv()
 48	st, err := storage.NewStorage(cfg.Logger, adapter)
 49	if err != nil {
 50		logger.Error("loading storage", "err", err)
 51		return
 52	}
 53
 54	fileMap := map[string]filehandlers.ReadWriteHandler{
 55		".md":      filehandlers.NewScpPostHandler(dbh, cfg, hooks),
 56		".css":     filehandlers.NewScpPostHandler(dbh, cfg, hooks),
 57		"fallback": uploadimgs.NewUploadImgHandler(dbh, cfg, st),
 58	}
 59	handler := filehandlers.NewFileHandlerRouter(cfg, dbh, fileMap)
 60
 61	sshAuth := shared.NewSshAuthHandler(dbh, logger)
 62
 63	// Create a new SSH server
 64	server, err := pssh.NewSSHServerWithConfig(
 65		ctx,
 66		logger,
 67		appName,
 68		host,
 69		port,
 70		promPort,
 71		"ssh_data/term_info_ed25519",
 72		sshAuth.PubkeyAuthHandler,
 73		[]pssh.SSHServerMiddleware{
 74			pipe.Middleware(handler, ".md"),
 75			list.Middleware(handler),
 76			scp.Middleware(handler),
 77			rsync.Middleware(handler),
 78			auth.Middleware(handler),
 79			pssh.PtyMdw(pssh.DeprecatedNotice(), 200*time.Millisecond),
 80			pssh.LogMiddleware(handler, dbh),
 81		},
 82		[]pssh.SSHServerMiddleware{
 83			sftp.Middleware(handler),
 84			pssh.LogMiddleware(handler, dbh),
 85		},
 86		nil,
 87	)
 88
 89	if err != nil {
 90		logger.Error("failed to create ssh server", "err", err.Error())
 91		os.Exit(1)
 92	}
 93
 94	done := make(chan os.Signal, 1)
 95	signal.Notify(done, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
 96	logger.Info("Starting SSH server", "addr", server.Config.ListenAddr)
 97	go func() {
 98		if err = server.ListenAndServe(); err != nil {
 99			logger.Error("serve", "err", err.Error())
100			os.Exit(1)
101		}
102	}()
103
104	exit := func() {
105		logger.Info("stopping ssh server")
106		cancel()
107	}
108
109	<-done
110	exit()
111}