/
p2pdb.go
96 lines (75 loc) · 2.53 KB
/
p2pdb.go
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package identityprovider // import "github.com/Rock-liyi/p2pdb-log/identityprovider"
import (
"context"
"encoding/hex"
"github.com/libp2p/go-libp2p-core/crypto"
"github.com/Rock-liyi/p2pdb-log/keystore"
"github.com/Rock-liyi/p2pdb-log/message"
)
type P2PDBIdentityProvider struct {
keystore keystore.Interface
}
// VerifyIdentity checks an OrbitDB identity.
func (p *P2PDBIdentityProvider) VerifyIdentity(identity *Identity) error {
return nil
}
// NewOrbitDBIdentityProvider creates a new identity for use with OrbitDB.
func NewP2PDBIdentityProvider(options *CreateIdentityOptions) Interface {
return &P2PDBIdentityProvider{
keystore: options.Keystore,
}
}
// GetID returns the identity's ID.
func (p *P2PDBIdentityProvider) 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 "", message.ErrKeyStoreCreateEntry.Wrap(err)
}
}
pubBytes, err := private.GetPublic().Raw()
if err != nil {
return "", message.ErrPubKeySerialization.Wrap(err)
}
return hex.EncodeToString(pubBytes), nil
}
// SignIdentity signs an OrbitDB identity.
func (p *P2PDBIdentityProvider) SignIdentity(ctx context.Context, data []byte, id string) ([]byte, error) {
key, err := p.keystore.GetKey(ctx, id)
if err != nil {
return nil, message.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, message.ErrSigSign.Wrap(err)
}
return signature, nil
}
// Sign signs a value using the current.
func (p *P2PDBIdentityProvider) Sign(ctx context.Context, identity *Identity, data []byte) ([]byte, error) {
key, err := p.keystore.GetKey(ctx, identity.ID)
if err != nil {
return nil, message.ErrKeyNotInKeystore.Wrap(err)
}
sig, err := key.Sign(data)
if err != nil {
return nil, message.ErrSigSign.Wrap(err)
}
return sig, nil
}
func (p *P2PDBIdentityProvider) UnmarshalPublicKey(data []byte) (crypto.PubKey, error) {
pubKey, err := crypto.UnmarshalSecp256k1PublicKey(data)
if err != nil {
return nil, message.ErrInvalidPubKeyFormat
}
return pubKey, nil
}
// GetType returns the current identity type.
func (*P2PDBIdentityProvider) GetType() string {
return "p2pdb"
}
var _ Interface = &P2PDBIdentityProvider{}