ssh: revert TTY package to send messages during SSH connection

This reverts commit d014a00.

Author: henrybarreto

ssh/pkg/tty/tty.go

@@ -20,7 +20,6 @@ import (
 	"github.com/shellhub-io/shellhub/pkg/models"
 	"github.com/shellhub-io/shellhub/ssh/pkg/flow"
 	"github.com/shellhub-io/shellhub/ssh/pkg/metadata"
-	"github.com/shellhub-io/shellhub/ssh/pkg/tty"
 	"github.com/shellhub-io/shellhub/ssh/session"
 	log "github.com/sirupsen/logrus"
 	gossh "golang.org/x/crypto/ssh"
@@ -91,9 +90,9 @@ func SSHHandler(tunnel *httptunnel.Tunnel) gliderssh.Handler {
 
 			return
 		}
+
 		defer sess.Finish() // nolint: errcheck
 
-		tty.Log(client, sess.Client, "starting SSH connection") //nolint:errcheck
 		if wh := webhook.NewClient(); wh != nil {
 			res, err := wh.Connect(sess.Lookup)
 			if errors.Is(err, webhook.ErrForbidden) {
@@ -103,7 +102,7 @@ func SSHHandler(tunnel *httptunnel.Tunnel) gliderssh.Handler {
 			}
 
 			if sess.Pty {
-				tty.Log(client, sess.Client, fmt.Sprintf("wait %d seconds while the agent starts", res.Timeout)) //nolint:errcheck
+				client.Write([]byte(fmt.Sprintf("Wait %d seconds while the agent starts\n", res.Timeout))) // nolint:errcheck
 			}
 
 			time.Sleep(time.Duration(res.Timeout) * time.Second)
@@ -159,8 +158,7 @@ func SSHHandler(tunnel *httptunnel.Tunnel) gliderssh.Handler {
 			}
 		}
 
-		tty.Log(client, sess.Client, "connecting client to device...") //nolint: errcheck
-		err = connectSSH(client.Context(), client, sess, config, api, opts)
+		err = connectSSH(ctx, client, sess, config, api, opts)
 		if err != nil {
 			sendAndInformError(client, err, err)
 
@@ -170,7 +168,6 @@ func SSHHandler(tunnel *httptunnel.Tunnel) gliderssh.Handler {
 }
 
 func connectSSH(ctx context.Context, client gliderssh.Session, sess *session.Session, config *gossh.ClientConfig, api internalclient.Client, opts ConfigOptions) error {
-	tty.Log(client, sess.Client, "authenticating to device...") //nolint:errcheck
 	connection, reqs, err := sess.NewClientConnWithDeadline(config)
 	if err != nil {
 		return ErrAuthentication
@@ -191,7 +188,6 @@ func connectSSH(ctx context.Context, client gliderssh.Session, sess *session.Ses
 
 	metadata.MaybeStoreEstablished(ctx.(gliderssh.Context), true)
 
-	tty.Log(client, sess.Client, "requesting shell...") //nolint:errcheck
 	pty, winCh, _ := client.Pty()
 
 	switch sess.GetType() {
@@ -255,7 +251,6 @@ func shell(api internalclient.Client, sess *session.Session, uid string, agent *
 		}
 	}()
 
-	tty.Reset(client, sess.Client) // nolint:errcheck
 	flw, err := flow.NewFlow(agent)
 	if err != nil {
 		log.WithError(err).WithFields(log.Fields{