/
orbitdb.go
96 lines (75 loc) · 2.52 KB
/
orbitdb.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
84
85
86
87
88
89
90
91
92
93
94
95
96
package identityprovider // import "berty.tech/go-ipfs-log/identityprovider"
import (
"context"
"encoding/hex"
"github.com/libp2p/go-libp2p/core/crypto"
"berty.tech/go-ipfs-log/errmsg"
"berty.tech/go-ipfs-log/keystore"
)
type OrbitDBIdentityProvider struct {
keystore keystore.Interface
}
// VerifyIdentity checks an OrbitDB identity.
func (p *OrbitDBIdentityProvider) VerifyIdentity(identity *Identity) error {
return nil
}
// NewOrbitDBIdentityProvider creates a new identity for use with OrbitDB.
func NewOrbitDBIdentityProvider(options *CreateIdentityOptions) Interface {
return &OrbitDBIdentityProvider{
keystore: options.Keystore,
}
}
// GetID returns the identity's ID.
func (p *OrbitDBIdentityProvider) GetID(ctx context.Context, options *CreateIdentityOptions) (string, error) {
private, err := p.keystore.GetKey(ctx, options.ID)
if err != nil || private == nil {
private, err = p.keystore.CreateKey(ctx, options.ID)
if err != nil {
return "", errmsg.ErrKeyStoreCreateEntry.Wrap(err)
}
}
pubBytes, err := private.GetPublic().Raw()
if err != nil {
return "", errmsg.ErrPubKeySerialization.Wrap(err)
}
return hex.EncodeToString(pubBytes), nil
}
// SignIdentity signs an OrbitDB identity.
func (p *OrbitDBIdentityProvider) SignIdentity(ctx context.Context, data []byte, id string) ([]byte, error) {
key, err := p.keystore.GetKey(ctx, id)
if err != nil {
return nil, errmsg.ErrKeyNotInKeystore
}
//data, _ = hex.DecodeString(hex.EncodeToString(data))
// FIXME? Data is a unicode encoded hex as a byte (source lib uses Buffer.from(hexStr) instead of Buffer.from(hexStr, "hex"))
data = []byte(hex.EncodeToString(data))
signature, err := key.Sign(data)
if err != nil {
return nil, errmsg.ErrSigSign.Wrap(err)
}
return signature, nil
}
// Sign signs a value using the current.
func (p *OrbitDBIdentityProvider) Sign(ctx context.Context, identity *Identity, data []byte) ([]byte, error) {
key, err := p.keystore.GetKey(ctx, identity.ID)
if err != nil {
return nil, errmsg.ErrKeyNotInKeystore.Wrap(err)
}
sig, err := key.Sign(data)
if err != nil {
return nil, errmsg.ErrSigSign.Wrap(err)
}
return sig, nil
}
func (p *OrbitDBIdentityProvider) UnmarshalPublicKey(data []byte) (crypto.PubKey, error) {
pubKey, err := crypto.UnmarshalSecp256k1PublicKey(data)
if err != nil {
return nil, errmsg.ErrInvalidPubKeyFormat
}
return pubKey, nil
}
// GetType returns the current identity type.
func (*OrbitDBIdentityProvider) GetType() string {
return "orbitdb"
}
var _ Interface = &OrbitDBIdentityProvider{}