mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-24 09:20:31 +00:00
83 lines
2.2 KiB
Go
83 lines
2.2 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/aes"
|
|
"crypto/cipher"
|
|
"errors"
|
|
"fmt"
|
|
|
|
"golang.org/x/crypto/bcrypt"
|
|
"golang.org/x/crypto/sha3"
|
|
|
|
"go.woodpecker-ci.org/woodpecker/v3/server/store/types"
|
|
)
|
|
|
|
func (svc *aesEncryptionService) loadCipher(password string) error {
|
|
key, err := svc.hash([]byte(password))
|
|
if err != nil {
|
|
return fmt.Errorf(errTemplateAesFailedGeneratingKey, err)
|
|
}
|
|
keyHash, err := bcrypt.GenerateFromPassword(key, bcrypt.DefaultCost)
|
|
if err != nil {
|
|
return fmt.Errorf(errTemplateAesFailedGeneratingKeyID, err)
|
|
}
|
|
svc.keyID = string(keyHash)
|
|
|
|
block, err := aes.NewCipher(key)
|
|
if err != nil {
|
|
return fmt.Errorf(errTemplateAesFailedLoadingCipher, err)
|
|
}
|
|
|
|
aead, err := cipher.NewGCM(block)
|
|
if err != nil {
|
|
return fmt.Errorf(errTemplateAesFailedLoadingCipher, err)
|
|
}
|
|
svc.cipher = aead
|
|
return nil
|
|
}
|
|
|
|
func (svc *aesEncryptionService) validateKey() error {
|
|
ciphertextSample, err := svc.store.ServerConfigGet(ciphertextSampleConfigKey)
|
|
if errors.Is(err, types.RecordNotExist) {
|
|
return errEncryptionNotEnabled
|
|
} else if err != nil {
|
|
return fmt.Errorf(errTemplateFailedLoadingServerConfig, err)
|
|
}
|
|
|
|
plaintext, err := svc.Decrypt(ciphertextSample, keyIDAssociatedData)
|
|
if plaintext != svc.keyID {
|
|
return errEncryptionKeyInvalid
|
|
} else if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (svc *aesEncryptionService) hash(data []byte) ([]byte, error) {
|
|
result := make([]byte, 32)
|
|
sha := sha3.NewShake256()
|
|
|
|
_, err := sha.Write(data)
|
|
if err != nil {
|
|
return nil, fmt.Errorf(errTemplateAesFailedCalculatingHash, err)
|
|
}
|
|
_, err = sha.Read(result)
|
|
if err != nil {
|
|
return nil, fmt.Errorf(errTemplateAesFailedCalculatingHash, err)
|
|
}
|
|
return result, nil
|
|
}
|