feat: switchable keychain

pkg/keychain/helper_linux.go

@@ -0,0 +1,51 @@
+// Copyright (c) 2021 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package keychain
+
+import (
+	"os/exec"
+
+	"github.com/docker/docker-credential-helpers/credentials"
+	"github.com/docker/docker-credential-helpers/pass"
+	"github.com/docker/docker-credential-helpers/secretservice"
+)
+
+const (
+	Pass         = "pass-app"
+	GnomeKeyring = "gnome-keyring"
+)
+
+func init() { // nolint[noinit]
+	Helpers = make(map[string]helper)
+
+	if _, err := exec.LookPath("pass"); err == nil {
+		Helpers[Pass] = newPassHelper
+	}
+
+	if _, err := exec.LookPath("gnome-keyring"); err == nil {
+		Helpers[GnomeKeyring] = newGnomeKeyringHelper
+	}
+}
+
+func newPassHelper(string) (credentials.Helper, error) {
+	return &pass.Pass{}, nil
+}
+
+func newGnomeKeyringHelper(string) (credentials.Helper, error) {
+	return &secretservice.Secretservice{}, nil
+}