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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
package backend
import (
"encoding/base64"
"math/big"
"time"
"github.com/ProtonMail/gopenpgp/v2/crypto"
"github.com/google/uuid"
"github.com/henrybear327/go-proton-api"
)
type ID uint64
func (v ID) String() string {
return base64.URLEncoding.EncodeToString(v.Bytes())
}
func (v ID) Bytes() []byte {
if v == 0 {
return []byte{0}
}
return new(big.Int).SetUint64(uint64(v)).Bytes()
}
func (v *ID) FromString(s string) error {
b, err := base64.URLEncoding.DecodeString(s)
if err != nil {
return err
}
*v = ID(new(big.Int).SetBytes(b).Uint64())
return nil
}
type auth struct {
acc string
ref string
creation time.Time
}
func newAuth(authLife time.Duration) auth {
return auth{
acc: uuid.NewString(),
ref: uuid.NewString(),
creation: time.Now(),
}
}
func (auth *auth) toAuth(userID, authUID string, proof []byte) proton.Auth {
return proton.Auth{
UserID: userID,
UID: authUID,
AccessToken: auth.acc,
RefreshToken: auth.ref,
ServerProof: base64.StdEncoding.EncodeToString(proof),
PasswordMode: proton.OnePasswordMode,
}
}
func (auth *auth) toAuthSession(authUID string) proton.AuthSession {
return proton.AuthSession{
UID: authUID,
CreateTime: auth.creation.Unix(),
Revocable: true,
}
}
type key struct {
keyID string
key string
tok string
sig string
}
func (key key) unlock(passphrase []byte) (*crypto.KeyRing, error) {
lockedKey, err := crypto.NewKeyFromArmored(key.key)
if err != nil {
return nil, err
}
unlockedKey, err := lockedKey.Unlock(passphrase)
if err != nil {
return nil, err
}
return crypto.NewKeyRing(unlockedKey)
}
func (key key) getPubKey() (*crypto.Key, error) {
privKey, err := crypto.NewKeyFromArmored(key.key)
if err != nil {
return nil, err
}
pubKeyBin, err := privKey.GetPublicKey()
if err != nil {
return nil, err
}
return crypto.NewKey(pubKeyBin)
}
|
