getCertificate method

Future<List<String>?> getCertificate(Order order)

Fetches the certificate with the complete chain from the ACME server.

Implementation

Future<List<String>?> getCertificate(Order order) async {
  var jws = await _createJWS(order.certificate!, useKid: true);
  var body = json.encode(jws.toJson());
  var headers = {'Content-Type': 'application/jose+json'};
  try {
    var response = await Dio().post(
      order.certificate!,
      data: body,
      options: Options(headers: headers),
    );
    var certs = <String>[];
    var data = response.data as String;
    var b = StringBuffer();
    for (var line in LineSplitter.split(data)) {
      if (line.isEmpty) {
        continue;
      }
      b.write(line);
      if (line == X509Utils.END_CERT) {
        certs.add(b.toString());
        b.clear();
      }
    }
    nonce = response.headers.map[HEADER_REPLAY_NONCE]!.first;
    return certs;
  } on DioException catch (e) {
    print(e.response!.data!.toString());
  }
  return null;
}