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feat(GODT-2255): Randomize the focus service port.

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This commit is contained in:
Romain Le Jeune
2023-02-08 10:06:53 +00:00
parent c4ef1a24c0
commit 1c88ce3cc0
18 changed files with 226 additions and 76 deletions
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66
internal/frontend/grpc/config.go
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@ -1,66 +0,0 @@
// Copyright (c) 2023 Proton AG
//
// This file is part of Proton Mail Bridge.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/>.
package grpc
import (
"encoding/json"
"os"
)
// Config is a structure containing the service configuration data that are exchanged by the gRPC server and client.
type Config struct {
Port int `json:"port"`
Cert string `json:"cert"`
Token string `json:"token"`
FileSocketPath string `json:"fileSocketPath"`
}
// save saves a gRPC service configuration to file.
func (s *Config) save(path string) error {
// Another process may be waiting for this file to be available. In order to prevent this process to open
// the file while we are writing in it, we write it with a temp file name, then rename it.
tempPath := path + "_"
if err := s._save(tempPath); err != nil {
return err
}
return os.Rename(tempPath, path)
}
func (s *Config) _save(path string) error {
f, err := os.Create(path) //nolint:errcheck,gosec
if err != nil {
return err
}
defer func() { _ = f.Close() }()
return json.NewEncoder(f).Encode(s)
}
// load loads a gRPC service configuration from file.
func (s *Config) load(path string) error {
f, err := os.Open(path) //nolint:errcheck,gosec
if err != nil {
return err
}
defer func() { _ = f.Close() }()
return json.NewDecoder(f).Decode(s)
}

57
internal/frontend/grpc/config_test.go
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@ -1,57 +0,0 @@
// Copyright (c) 2023 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/>.
package grpc
import (
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
)
const (
dummyPort = 12
dummyCert = "A dummy cert"
dummyToken = "A dummy token"
tempFileName = "test.json"
socketPath = "/a/socket/file/path"
)
func TestConfig(t *testing.T) {
conf1 := Config{
Port: dummyPort,
Cert: dummyCert,
Token: dummyToken,
FileSocketPath: socketPath,
}
// Read-back test
tempDir := t.TempDir()
tempFilePath := filepath.Join(tempDir, tempFileName)
require.NoError(t, conf1.save(tempFilePath))
conf2 := Config{}
require.NoError(t, conf2.load(tempFilePath))
require.Equal(t, conf1, conf2)
// failure to load
require.Error(t, conf2.load(tempFilePath+"_"))
// failure to save
require.Error(t, conf2.save(filepath.Join(tempDir, "non/existing/folder", tempFileName)))
}

18
internal/frontend/grpc/service.go
View File

@ -38,6 +38,7 @@ import (
"github.com/ProtonMail/proton-bridge/v3/internal/certs"
"github.com/ProtonMail/proton-bridge/v3/internal/events"
"github.com/ProtonMail/proton-bridge/v3/internal/safe"
"github.com/ProtonMail/proton-bridge/v3/internal/service"
"github.com/ProtonMail/proton-bridge/v3/internal/updater"
"github.com/bradenaw/juniper/xslices"
"github.com/elastic/go-sysinfo"
@ -97,7 +98,7 @@ type Service struct { // nolint:structcheck
func NewService(
panicHandler CrashHandler,
restarter Restarter,
locations Locator,
locations service.Locator,
bridge *bridge.Bridge,
eventCh <-chan events.Event,
quitCh <-chan struct{},
@ -109,7 +110,7 @@ func NewService(
logrus.WithError(err).Panic("Could not generate gRPC TLS config")
}
config := Config{
config := service.Config{
Cert: string(certPEM),
Token: uuid.NewString(),
}
@ -140,7 +141,7 @@ func NewService(
config.Port = address.Port
}
if path, err := saveGRPCServerConfigFile(locations, &config); err != nil {
if path, err := service.SaveGRPCServerConfigFile(locations, &config, serverConfigFileName); err != nil {
logrus.WithError(err).WithField("path", path).Panic("Could not write gRPC service config file")
} else {
logrus.WithField("path", path).Info("Successfully saved gRPC service config file")
@ -486,17 +487,6 @@ func newTLSConfig() (*tls.Config, []byte, error) {
}, certPEM, nil
}
func saveGRPCServerConfigFile(locations Locator, config *Config) (string, error) {
settingsPath, err := locations.ProvideSettingsPath()
if err != nil {
return "", err
}
configPath := filepath.Join(settingsPath, serverConfigFileName)
return configPath, config.save(configPath)
}
// validateServerToken verify that the server token provided by the client is valid.
func validateServerToken(ctx context.Context, wantToken string) error {
values, ok := metadata.FromIncomingContext(ctx)

5
internal/frontend/grpc/service_methods.go
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@ -32,6 +32,7 @@ import (
"github.com/ProtonMail/proton-bridge/v3/internal/events"
"github.com/ProtonMail/proton-bridge/v3/internal/frontend/theme"
"github.com/ProtonMail/proton-bridge/v3/internal/safe"
"github.com/ProtonMail/proton-bridge/v3/internal/service"
"github.com/ProtonMail/proton-bridge/v3/internal/updater"
"github.com/ProtonMail/proton-bridge/v3/pkg/keychain"
"github.com/ProtonMail/proton-bridge/v3/pkg/ports"
@ -51,8 +52,8 @@ func (s *Service) CheckTokens(ctx context.Context, clientConfigPath *wrapperspb.
path := clientConfigPath.Value
logEntry := s.log.WithField("path", path)
var clientConfig Config
if err := clientConfig.load(path); err != nil {
var clientConfig service.Config
if err := clientConfig.Load(path); err != nil {
logEntry.WithError(err).Error("Could not read gRPC client config file")
return nil, err

4
internal/frontend/grpc/types.go
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@ -26,7 +26,3 @@ type Restarter interface {
AddFlags(flags ...string)
Override(exe string)
}
type Locator interface {
ProvideSettingsPath() (string, error)
}