woodpecker/server/plugins/encryption/tink.go
antomy-gc 6516a28cdd
Secrets encryption in database (#1475)
closes #101

Added secrets encryption in database

- Google TINK or simple AES as encryption mechanisms
- Keys rotation support on TINK
- Existing SecretService is wrapped by encryption layer
- Encryption can be enabled and disabled at any time

Co-authored-by: Kuzmin Ilya <ilia.kuzmin@indrive.com>
Co-authored-by: 6543 <6543@obermui.de>
2023-01-12 20:59:07 +01:00

62 lines
1.9 KiB
Go

// Copyright 2023 Woodpecker Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package encryption
import (
"encoding/base64"
"fmt"
"github.com/fsnotify/fsnotify"
"github.com/google/tink/go/tink"
"github.com/woodpecker-ci/woodpecker/server/model"
"github.com/woodpecker-ci/woodpecker/server/store"
)
type tinkEncryptionService struct {
keysetFilePath string
primaryKeyID string
encryption tink.AEAD
store store.Store
keysetFileWatcher *fsnotify.Watcher
clients []model.EncryptionClient
}
func (svc *tinkEncryptionService) Encrypt(plaintext, associatedData string) (string, error) {
msg := []byte(plaintext)
aad := []byte(associatedData)
ciphertext, err := svc.encryption.Encrypt(msg, aad)
if err != nil {
return "", fmt.Errorf(errTemplateEncryptionFailed, err)
}
return base64.StdEncoding.EncodeToString(ciphertext), nil
}
func (svc *tinkEncryptionService) Decrypt(ciphertext, associatedData string) (string, error) {
ct, err := base64.StdEncoding.DecodeString(ciphertext)
if err != nil {
return "", fmt.Errorf(errTemplateBase64DecryptionFailed, err)
}
plaintext, err := svc.encryption.Decrypt(ct, []byte(associatedData))
if err != nil {
return "", fmt.Errorf(errTemplateDecryptionFailed, err)
}
return string(plaintext), nil
}
func (svc *tinkEncryptionService) Disable() error {
return svc.disable()
}