Other: Add vault editor CI tool

internal/app/app.go

@@ -163,13 +163,13 @@ func run(c *cli.Context) error { //nolint:funlen
 			// Handle crashes with various actions.
 			return withCrashHandler(restarter, reporter, func(crashHandler *crash.Handler) error {
 				// Load the locations where we store our files.
-				return withLocations(func(locations *locations.Locations) error {
+				return WithLocations(func(locations *locations.Locations) error {
 					// Initialize logging.
 					return withLogging(c, crashHandler, locations, func() error {
 						// Ensure we are the only instance running.
 						return withSingleInstance(locations, version, func() error {
 							// Unlock the encrypted vault.
-							return withVault(locations, func(vault *vault.Vault, insecure, corrupt bool) error {
+							return WithVault(locations, func(vault *vault.Vault, insecure, corrupt bool) error {
 								// Load the cookies from the vault.
 								return withCookieJar(vault, func(cookieJar http.CookieJar) error {
 									// Create a new bridge instance.
@@ -245,8 +245,8 @@ func withLogging(c *cli.Context, crashHandler *crash.Handler, locations *locatio
 	return fn()
 }
 
-// Provide access to locations where we store our files.
-func withLocations(fn func(*locations.Locations) error) error {
+// WithLocations provides access to locations where we store our files.
+func WithLocations(fn func(*locations.Locations) error) error {
 	// Create a locations provider to determine where to store our files.
 	provider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, constants.ConfigName))
 	if err != nil {

internal/app/vault.go

@@ -30,7 +30,7 @@ import (
 	"golang.org/x/exp/slices"
 )
 
-func withVault(locations *locations.Locations, fn func(*vault.Vault, bool, bool) error) error {
+func WithVault(locations *locations.Locations, fn func(*vault.Vault, bool, bool) error) error {
 	// Create the encVault.
 	encVault, insecure, corrupt, err := newVault(locations)
 	if err != nil {

internal/vault/vault_debug.go

@@ -0,0 +1,41 @@
+// Copyright (c) 2022 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail 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.
+//
+// Proton Mail 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 Proton Mail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+//go:build debug
+
+package vault
+
+import (
+	"encoding/json"
+)
+
+func (vault *Vault) ImportJSON(dec []byte) {
+	vault.mod(func(data *Data) {
+		if err := json.Unmarshal(dec, data); err != nil {
+			panic(err)
+		}
+	})
+}
+
+func (vault *Vault) ExportJSON() []byte {
+	enc, err := json.MarshalIndent(vault.get(), "", "  ")
+	if err != nil {
+		panic(err)
+	}
+
+	return enc
+}