func ParseUserID(op *packet.OpaquePacket, parentID string) (*UserID, error) {
var buf bytes.Buffer
if err := op.Serialize(&buf); err != nil {
return nil, errgo.Mask(err)
}
uid := &UserID{
Packet: Packet{
UUID: scopedDigest([]string{parentID}, uidTag, buf.Bytes()),
Tag: op.Tag,
Packet: buf.Bytes(),
},
}
p, err := op.Parse()
if err != nil {
return nil, errgo.Mask(err)
}
u, ok := p.(*packet.UserId)
if !ok {
return nil, ErrInvalidPacketType
}
err = uid.setUserID(u)
if err != nil {
return nil, errgo.Mask(err)
}
uid.Parsed = true
return uid, nil
}
func (sig *Signature) parse(op *packet.OpaquePacket) error {
p, err := op.Parse()
if err != nil {
return errgo.Mask(err)
}
switch s := p.(type) {
case *packet.Signature:
return sig.setSignature(s)
case *packet.SignatureV3:
return sig.setSignatureV3(s)
}
return errgo.Mask(ErrInvalidPacketType, errgo.Any)
}
func (pkp *PublicKey) parse(op *packet.OpaquePacket, subkey bool) error {
p, err := op.Parse()
if err != nil {
return errgo.Mask(err)
}
switch pk := p.(type) {
case *packet.PublicKey:
if pk.IsSubkey != subkey {
return ErrInvalidPacketType
}
return pkp.setPublicKey(pk)
case *packet.PublicKeyV3:
if pk.IsSubkey != subkey {
return ErrInvalidPacketType
}
return pkp.setPublicKeyV3(pk)
default:
}
return errgo.Mask(ErrInvalidPacketType)
}
