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keystore.go
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keystore.go
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package contentd
import (
"context"
"crypto/rand"
"fmt"
"github.com/ipfs/interface-go-ipfs-core/options"
crypto "github.com/libp2p/go-libp2p-core/crypto"
)
func (p *Peer) Keystore() KeystoreServer {
return &keystoreServer{p}
}
type keystoreServer struct {
p *Peer
}
func (k *keystoreServer) Add(ctx context.Context, req *AddRequest) (*AddResponse, error) {
return &AddResponse{}, nil
}
func (k *keystoreServer) Generate(ctx context.Context, req *GenerateRequest) (*GenerateResponse, error) {
name := req.Name
_, err := k.p.kstore.Get(name)
if err == nil {
return nil, fmt.Errorf("key with name '%s' already exists", name)
}
var sk crypto.PrivKey
var pk crypto.PubKey
switch req.Type {
case KeyType_RSA:
size := int(req.Size_)
if size == 0 {
size = options.DefaultRSALen
}
priv, pub, err := crypto.GenerateKeyPairWithReader(crypto.RSA, size, rand.Reader)
if err != nil {
return nil, err
}
sk = priv
pk = pub
case KeyType_Ed25519:
priv, pub, err := crypto.GenerateEd25519Key(rand.Reader)
if err != nil {
return nil, err
}
sk = priv
pk = pub
default:
return nil, fmt.Errorf("unrecognized key type: %s", req.Type)
}
err = k.p.kstore.Put(name, sk)
if err != nil {
return nil, err
}
data, err := crypto.MarshalPublicKey(pk)
if err != nil {
return nil, err
}
return &GenerateResponse{
Key: Key{
Name: name,
PublicKey: PublicKey{
Type: req.Type,
Data: data,
},
},
}, nil
}
func (k *keystoreServer) List(ctx context.Context, req *ListRequest) (*ListResponse, error) {
names, err := k.p.kstore.List()
if err != nil {
return nil, err
}
var keys []*Key
for _, name := range names {
sk, err := k.p.kstore.Get(name)
if err != nil {
return nil, err
}
pk := sk.GetPublic()
data, err := crypto.MarshalPublicKey(pk)
if err != nil {
return nil, err
}
keys = append(keys, &Key{
Name: name,
PublicKey: PublicKey{
Type: KeyType(pk.Type()),
Data: data,
},
})
}
return &ListResponse{Keys: keys}, nil
}
func (k *keystoreServer) Remove(ctx context.Context, req *RemoveRequest) (*RemoveResponse, error) {
var deleted []string
for _, name := range req.Names {
err := k.p.kstore.Delete(name)
if err != nil {
return &RemoveResponse{Names: deleted}, err
}
deleted = append(deleted, name)
}
return &RemoveResponse{Names: deleted}, nil
}
func (k *keystoreServer) Rename(ctx context.Context, req *RenameRequest) (*RenameResponse, error) {
oldKey, err := k.p.kstore.Get(req.OldName)
if err != nil {
return nil, fmt.Errorf("no key named %s was found", req.OldName)
}
if req.NewName == req.OldName {
return &RenameResponse{Name: req.NewName}, nil
}
err = k.p.kstore.Put(req.NewName, oldKey)
if err != nil {
return nil, err
}
return &RenameResponse{Name: req.NewName}, k.p.kstore.Delete(req.OldName)
}