-
Notifications
You must be signed in to change notification settings - Fork 0
/
encrypt.go
83 lines (71 loc) · 2.06 KB
/
encrypt.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
// Copyright Project Harbor 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 encrypt
import (
"os"
"sync"
"github.com/goharbor/harbor/src/common/utils"
"github.com/goharbor/harbor/src/common/utils/log"
)
var (
defaultKeyPath = "/etc/core/key"
)
// Encryptor encrypts or decrypts a strings
type Encryptor interface {
// Encrypt encrypts plaintext
Encrypt(string) (string, error)
// Decrypt decrypts ciphertext
Decrypt(string) (string, error)
}
// AESEncryptor uses AES to encrypt or decrypt string
type AESEncryptor struct {
keyProvider KeyProvider
keyParams map[string]interface{}
}
// NewAESEncryptor returns an instance of an AESEncryptor
func NewAESEncryptor(keyProvider KeyProvider) Encryptor {
return &AESEncryptor{
keyProvider: keyProvider,
}
}
var encryptInstance Encryptor
var encryptOnce sync.Once
// Instance ... Get instance of encryptor
func Instance() Encryptor {
encryptOnce.Do(func() {
kp := os.Getenv("KEY_PATH")
if len(kp) == 0 {
kp = defaultKeyPath
}
log.Infof("the path of key used by key provider: %s", kp)
encryptInstance = NewAESEncryptor(NewFileKeyProvider(kp))
})
return encryptInstance
}
// Encrypt ...
func (a *AESEncryptor) Encrypt(plaintext string) (string, error) {
key, err := a.keyProvider.Get(a.keyParams)
if err != nil {
return "", err
}
return utils.ReversibleEncrypt(plaintext, key)
}
// Decrypt ...
func (a *AESEncryptor) Decrypt(ciphertext string) (string, error) {
key, err := a.keyProvider.Get(a.keyParams)
if err != nil {
return "", err
}
return utils.ReversibleDecrypt(ciphertext, key)
}