contactCryptoConfig function

BaseCryptoConfig<DecryptedContactDto, ContactDto> contactCryptoConfig(UserDto user, Crypto crypto)

Implementation

BaseCryptoConfig<DecryptedContactDto, ContactDto> contactCryptoConfig(UserDto user, Crypto crypto) {
  return BaseCryptoConfig(crypto, (dec) async {
    var key = (await crypto.decryptEncryptionKeys(user.dataOwnerId()!, dec.encryptionKeys)).firstOrNull?.formatAsKey().fromHexString();
    if (key == null) {
      throw FormatException("Cannot get encryption key for ${dec.id} and hcp ${user.dataOwnerId()}");
    }

    return Tuple2(
        ContactDto.fromJson({
          ...dec.toJson(),
          'services': (await crypto.encryptServices(
                  user.dataOwnerId()!,
                  <String>{...(user.autoDelegations["all"] ?? {}), ...(user.autoDelegations["medicalInformation"] ?? {})},
                  key,
                  dec.services.toList()))
              .toList()
        })!,
        Uint8List.fromList(json.encode({}).codeUnits));
  }, (cry, data) async {
    var key = (await crypto.decryptEncryptionKeys(user.dataOwnerId()!, cry.encryptionKeys)).firstOrNull?.formatAsKey().fromHexString();
    if (key == null) {
      throw FormatException("Cannot get encryption key for ${cry.id} and hcp ${user.dataOwnerId()}");
    }

    return DecryptedContactDto.fromJson({
      ...cry.toJson(),
      'services': (await crypto.decryptServices(user.dataOwnerId()!, key, cry.services.toList())).toList(),
      ...(data != null ? json.decode(String.fromCharCodes(data)) : {})
    })!;
  });
}