cmd/syncthing: Add LDAP authentication for GUI (fixes #5163) (#5169)

lib/config/ldaptransport.go

@@ -0,0 +1,46 @@
+// Copyright (C) 2018 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package config
+
+type LDAPTransport int
+
+const (
+	LDAPTransportPlain LDAPTransport = iota // default is plain
+	LDAPTransportTLS
+	LDAPTransportStartTLS
+)
+
+func (t LDAPTransport) String() string {
+	switch t {
+	case LDAPTransportPlain:
+		return "plain"
+	case LDAPTransportTLS:
+		return "tls"
+	case LDAPTransportStartTLS:
+		return "starttls"
+	default:
+		return "unknown"
+	}
+}
+
+func (t LDAPTransport) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t *LDAPTransport) UnmarshalText(bs []byte) error {
+	switch string(bs) {
+	case "plain":
+		*t = LDAPTransportPlain
+	case "tls":
+		*t = LDAPTransportTLS
+	case "starttls":
+		*t = LDAPTransportStartTLS
+	default:
+		*t = LDAPTransportPlain
+	}
+	return nil
+}