GODT-1815: Start with missing gluon files

internal/bridge/imap.go

@@ -3,12 +3,16 @@ package bridge
 import (
 	"context"
 	"crypto/tls"
+	"errors"
 	"fmt"
+	"io/fs"
+	"os"
 
 	"github.com/Masterminds/semver/v3"
 	"github.com/ProtonMail/gluon"
 	imapEvents "github.com/ProtonMail/gluon/events"
 	"github.com/ProtonMail/proton-bridge/v2/internal/constants"
+	"github.com/ProtonMail/proton-bridge/v2/internal/vault"
 	"github.com/sirupsen/logrus"
 )
 
@@ -17,38 +21,6 @@ const (
 	defaultClientVersion = "0.0.1"
 )
 
-func (bridge *Bridge) GetIMAPPort() int {
-	return bridge.vault.GetIMAPPort()
-}
-
-func (bridge *Bridge) SetIMAPPort(newPort int) error {
-	if newPort == bridge.vault.GetIMAPPort() {
-		return nil
-	}
-
-	if err := bridge.vault.SetIMAPPort(newPort); err != nil {
-		return err
-	}
-
-	return bridge.restartIMAP(context.Background())
-}
-
-func (bridge *Bridge) GetIMAPSSL() bool {
-	return bridge.vault.GetIMAPSSL()
-}
-
-func (bridge *Bridge) SetIMAPSSL(newSSL bool) error {
-	if newSSL == bridge.vault.GetIMAPSSL() {
-		return nil
-	}
-
-	if err := bridge.vault.SetIMAPSSL(newSSL); err != nil {
-		return err
-	}
-
-	return bridge.restartIMAP(context.Background())
-}
-
 func (bridge *Bridge) serveIMAP() error {
 	imapListener, err := newListener(bridge.vault.GetIMAPPort(), bridge.vault.GetIMAPSSL(), bridge.tlsConfig)
 	if err != nil {
@@ -83,15 +55,34 @@ func (bridge *Bridge) closeIMAP(ctx context.Context) error {
 func (bridge *Bridge) handleIMAPEvent(event imapEvents.Event) {
 	switch event := event.(type) {
 	case imapEvents.SessionAdded:
-		if !bridge.identifier.HasClient() {
-			bridge.identifier.SetClient(defaultClientName, defaultClientVersion)
+		if bridge.identifier.HasClient() {
+			return
 		}
 
+		bridge.identifier.SetClient(defaultClientName, defaultClientVersion)
+
 	case imapEvents.IMAPID:
 		bridge.identifier.SetClient(event.IMAPID.Name, event.IMAPID.Version)
 	}
 }
 
+func getGluonDir(encVault *vault.Vault) (string, error) {
+	empty, err := isEmpty(encVault.GetGluonDir())
+	if err != nil {
+		return "", fmt.Errorf("failed to check if gluon dir is empty: %w", err)
+	}
+
+	if empty {
+		if err := encVault.ForUser(func(user *vault.User) error {
+			return user.SetSync(false)
+		}); err != nil {
+			return "", fmt.Errorf("failed to reset user sync status: %w", err)
+		}
+	}
+
+	return encVault.GetGluonDir(), nil
+}
+
 func newIMAPServer(gluonDir string, version *semver.Version, tlsConfig *tls.Config) (*gluon.Server, error) {
 	imapServer, err := gluon.New(
 		gluon.WithTLS(tlsConfig),
@@ -115,3 +106,20 @@ func newIMAPServer(gluonDir string, version *semver.Version, tlsConfig *tls.Conf
 
 	return imapServer, nil
 }
+
+func isEmpty(dir string) (bool, error) {
+	if _, err := os.Stat(dir); err != nil {
+		if !errors.Is(err, fs.ErrNotExist) {
+			return false, fmt.Errorf("failed to stat %s: %w", dir, err)
+		}
+
+		return true, nil
+	}
+
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		return false, fmt.Errorf("failed to read dir %s: %w", dir, err)
+	}
+
+	return len(entries) == 0, nil
+}