Esempio n. 1
0
// procUID allows to process a sender UID from the header in parallel.
// senderUID is the JSON encoded UID message parsed from the header, res is
// the result channel used to communicate the result of the calculation.
func procUID(senderUID string, res chan *procUIDResult) {
	var r procUIDResult
	var err error
	r.uidIndex = cipher.SHA256(cipher.SHA256([]byte(senderUID)))
	r.msg, err = uid.NewJSON(senderUID)
	if err != nil {
		res <- &procUIDResult{uidIndex: nil, msg: nil, err: err}
		return
	}
	// return results
	res <- &r
}
Esempio n. 2
0
// GetPrivateUID gets a private uid for identity from keyDB.
//
// TODO: get all UID messages for given identity which are not expired.
func (keyDB *KeyDB) GetPrivateUID(
	identity string,
	withPrivkeys bool,
) (*uid.Message, *uid.MessageReply, error) {
	var (
		uidJSON    string
		sigPrivKey string
		encPrivKey string
		replyJSON  string
	)
	err := keyDB.getPrivateUIDQuery.QueryRow(identity).Scan(&uidJSON, &sigPrivKey, &encPrivKey, &replyJSON)
	switch {
	case err == sql.ErrNoRows:
		return nil, nil, log.Errorf("keydb: no privkey for nym '%s' found", identity)
	case err != nil:
		return nil, nil, log.Error(err)
	default:
		msg, err := uid.NewJSON(uidJSON)
		if err != nil {
			return nil, nil, err
		}
		if err := msg.VerifySelfSig(); err != nil {
			// if this fails something is seriously wrong
			return nil, nil, log.Error(err)
		}
		if withPrivkeys {
			if err := msg.SetPrivateSigKey(sigPrivKey); err != nil {
				return nil, nil, err
			}
			if err := msg.SetPrivateEncKey(encPrivKey); err != nil {
				return nil, nil, err
			}
		}
		var msgReply *uid.MessageReply
		if replyJSON != "" {
			msgReply, err = uid.NewJSONReply(replyJSON)
			if err != nil {
				return nil, nil, err
			}
		}
		return msg, msgReply, nil
	}
}
Esempio n. 3
0
// GetPublicUID gets the public UID message from keyDB with the highest
// position smaller or equal to maxpos.
func (keyDB *KeyDB) GetPublicUID(
	identity string,
	maxpos uint64,
) (msg *uid.Message, pos uint64, found bool, err error) {
	var uidJSON string
	err = keyDB.getPublicUIDQuery.QueryRow(identity, maxpos).Scan(&uidJSON, &pos)
	switch {
	case err == sql.ErrNoRows:
		return nil, 0, false, nil
	case err != nil:
		return nil, 0, false, log.Error(err)
	default:
		msg, err = uid.NewJSON(uidJSON)
		if err != nil {
			return nil, 0, false, err
		}
		found = true
		return
	}
}