-
Notifications
You must be signed in to change notification settings - Fork 28
/
storage.go
48 lines (42 loc) · 1.27 KB
/
storage.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
// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package security
import (
"io"
"v.io/v23/security"
"v.io/v23/verror"
"v.io/v23/vom"
"v.io/x/ref/lib/security/serialization"
)
var (
errBadDataOrSig = verror.Register(pkgPath+".errBadDataOrSig", verror.NoRetry, "{1:}{2:} invalid data/signature handles data:{3} sig:{4}{:_}")
)
func encodeAndStore(obj interface{}, data, signature io.WriteCloser, signer serialization.Signer) error {
if data == nil || signature == nil {
return verror.New(errBadDataOrSig, nil, data, signature)
}
swc, err := serialization.NewSigningWriteCloser(data, signature, signer, nil)
if err != nil {
return err
}
enc := vom.NewEncoder(swc)
if err := enc.Encode(obj); err != nil {
swc.Close()
return err
}
return swc.Close()
}
func decodeFromStorage(obj interface{}, data, signature io.ReadCloser, publicKey security.PublicKey) error {
if data == nil || signature == nil {
return verror.New(errBadDataOrSig, nil, data, signature)
}
defer data.Close()
defer signature.Close()
vr, err := serialization.NewVerifyingReader(data, signature, publicKey)
if err != nil {
return err
}
dec := vom.NewDecoder(vr)
return dec.Decode(obj)
}