selfpass/client/lib/repositories/grpc_credentials_client.dart

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part of 'repositories.dart';
class GRPCCredentialsClient implements CredentialsRepo {
static GRPCCredentialsClient _instance;
grpc.CredentialsClient _client;
GRPCCredentialsClient(ConnectionConfig config) {
final caCert = utf8.encode(config.caCertificate);
final cert = utf8.encode(config.certificate);
final privateCert = utf8.encode(config.privateCertificate);
final splitHost = config.host.split(':');
final hostname = splitHost[0];
final port = int.parse(splitHost[1]);
_client = grpc.CredentialsClient(ClientChannel(
hostname,
port: port,
options: ChannelOptions(
credentials: _ChannelCredentials(caCert, cert, privateCert),
),
));
}
factory GRPCCredentialsClient.getInstance({ConnectionConfig config}) =>
config == null ? _instance : _instance = GRPCCredentialsClient(config);
Stream<Metadata> getAllMetadata(String sourceHost) {
final request = grpc.SourceHostRequest();
request.sourceHost = sourceHost;
return _client.getAllMetadata(request).map<Metadata>(
(protobuf.Metadata pbMetadata) => Metadata.fromProtobuf(pbMetadata));
}
Future<Credential> get(String id) async {
final request = grpc.IdRequest();
request.id = id;
return Credential.fromProtobuf(await _client.get(request));
}
Future<Credential> create(CredentialInput input) async {
return Credential();
}
Future<Credential> update(String id, CredentialInput input) async {
return Credential();
}
Future<void> delete(String id) {
final request = grpc.IdRequest();
request.id = id;
return _client.delete(request);
}
}
class _ChannelCredentials extends ChannelCredentials {
final List<int> _key;
final List<int> _cert;
const _ChannelCredentials(List<int> caCert, this._cert, this._key)
: super.secure(certificates: caCert);
@override
SecurityContext get securityContext {
return super.securityContext
..usePrivateKeyBytes(_key)
..useCertificateChainBytes(_cert);
}
}