mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-11-14 14:01:26 +00:00
67 lines
2 KiB
Go
67 lines
2 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 (
|
|
"crypto/cipher"
|
|
"encoding/base64"
|
|
"fmt"
|
|
|
|
"github.com/google/tink/go/subtle/random"
|
|
|
|
"go.woodpecker-ci.org/woodpecker/v2/server/services/encryption/types"
|
|
"go.woodpecker-ci.org/woodpecker/v2/server/store"
|
|
)
|
|
|
|
type aesEncryptionService struct {
|
|
cipher cipher.AEAD
|
|
keyID string
|
|
store store.Store
|
|
clients []types.EncryptionClient
|
|
}
|
|
|
|
func (svc *aesEncryptionService) Encrypt(plaintext, associatedData string) (string, error) {
|
|
msg := []byte(plaintext)
|
|
aad := []byte(associatedData)
|
|
|
|
nonce := random.GetRandomBytes(uint32(AESGCMSIVNonceSize))
|
|
ciphertext := svc.cipher.Seal(nil, nonce, msg, aad)
|
|
|
|
result := make([]byte, 0, AESGCMSIVNonceSize+len(ciphertext))
|
|
result = append(result, nonce...)
|
|
result = append(result, ciphertext...)
|
|
|
|
return base64.StdEncoding.EncodeToString(result), nil
|
|
}
|
|
|
|
func (svc *aesEncryptionService) Decrypt(ciphertext, associatedData string) (string, error) {
|
|
bytes, err := base64.StdEncoding.DecodeString(ciphertext)
|
|
if err != nil {
|
|
return "", fmt.Errorf(errTemplateBase64DecryptionFailed, err)
|
|
}
|
|
|
|
nonce := bytes[:AESGCMSIVNonceSize]
|
|
message := bytes[AESGCMSIVNonceSize:]
|
|
|
|
plaintext, err := svc.cipher.Open(nil, nonce, message, []byte(associatedData))
|
|
if err != nil {
|
|
return "", fmt.Errorf(errTemplateDecryptionFailed, err)
|
|
}
|
|
return string(plaintext), nil
|
|
}
|
|
|
|
func (svc *aesEncryptionService) Disable() error {
|
|
return svc.disable()
|
|
}
|