stream_cipher 1.3.0

A library to encrypt and decrypt ByteLists and ByteLists Streams initially comes with DioHttpClientAdapter

example/stream_cipher_example.dart

import 'dart:io';

import 'package:dio/dio.dart';
import 'package:logger/logger.dart';
import 'package:stream_cipher/src/io_utils/client_adapters/dio_client_adapter.dart';
import 'package:stream_cipher/src/io_utils/file/secure_file.dart';
import 'package:stream_cipher/stream_cipher.dart';

import 'sample_dart_backend.dart';

const kServerPort = 40881;
const kMessage =
    '''{"note":"ممد اینجاس","extras":"Enim aliquip adipisicing cillum. Enim laborum sint ad duis consequat sunt ad tempor laborum voluptate ea enim reprehenderit consequat eiusmod. Eu sit culpa ipsum irure occaecat tempor do. Culpa aute do ipsum elit esse est consequat in aliqua ea consequat ut excepteur in. Ex nulla exercitation labore cupidatat Lorem exercitation pariatur dolore dolor.Sit est irure cillum esse est pariatur dolor quis exercitation ullamco ea. Est labore officia incididunt ipsum sunt ullamco ea cillum ad exercitation occaecat sit adipisicing. Et exercitation veniam magna cupidatat quis culpa ut tempor. Ea sint ullamco consectetur do laboris pariatur cupidatat anim cillum ipsum aliqua consequat velit nostrud. Irure aliquip adipisicing culpa dolore. Cupidatat aliqua voluptate aliqua exercitation sit commodo esse in id duis cupidatat veniam laboris occaecat incididunt. Anim officia ullamco cupidatat elit consectetur dolor adipisicing dolore duis consequat in sint qui.Enim aliquip adipisicing cillum. Enim laborum sint ad duis consequat sunt ad tempor laborum voluptate ea enim reprehenderit consequat eiusmod. Eu sit culpa ipsum irure occaecat tempor do. Culpa aute do ipsum elit esse est consequat in aliqua ea consequat ut excepteur in. Ex nulla exercitation labore cupidatat Lorem exercitation pariatur dolore dolor.Sit est irure cillum esse est pariatur dolor quis exercitation ullamco ea. Est labore officia incididunt ipsum sunt ullamco ea cillum ad exercitation occaecat sit adipisicing. Et exercitation veniam magna cupidatat quis culpa ut tempor. Ea sint ullamco consectetur do laboris pariatur cupidatat anim cillum ipsum aliqua consequat velit nostrud. Irure aliquip adipisicing culpa dolore. Cupidatat aliqua voluptate aliqua exercitation sit commodo esse in id duis cupidatat veniam laboris occaecat incididunt. Anim officia ullamco cupidatat elit consectetur dolor adipisicing dolore duis consequat in sint qui.Enim aliquip adipisicing cillum. Enim laborum sint ad duis consequat sunt ad tempor laborum voluptate ea enim reprehenderit consequat eiusmod. Eu sit culpa ipsum irure occaecat tempor do. Culpa aute do ipsum elit esse est consequat in aliqua ea consequat ut excepteur in. Ex nulla exercitation labore cupidatat Lorem exercitation pariatur dolore dolor.Sit est irure cillum esse est pariatur dolor quis exercitation ullamco ea. Est labore officia incididunt ipsum sunt ullamco ea cillum ad exercitation occaecat sit adipisicing. Et exercitation veniam magna cupidatat quis culpa ut tempor. Ea sint ullamco consectetur do laboris pariatur cupidatat anim cillum ipsum aliqua consequat velit nostrud. Irure aliquip adipisicing culpa dolore. Cupidatat aliqua voluptate aliqua exercitation sit commodo esse in id duis cupidatat veniam laboris occaecat incididunt. Anim officia ullamco cupidatat elit consectetur dolor adipisicing dolore duis consequat in sint qui.Enim aliquip adipisicing cillum. Enim laborum sint ad duis consequat sunt ad tempor laborum voluptate ea enim reprehenderit consequat eiusmod. Eu sit culpa ipsum irure occaecat tempor do. Culpa aute do ipsum elit esse est consequat in aliqua ea consequat ut excepteur in. Ex nulla exercitation labore cupidatat Lorem exercitation pariatur dolore dolor.Sit est irure cillum esse est pariatur dolor quis exercitation ullamco ea. Est labore officia incididunt ipsum sunt ullamco ea cillum ad exercitation occaecat sit adipisicing. Et exercitation veniam magna cupidatat quis culpa ut tempor. Ea sint ullamco consectetur do laboris pariatur cupidatat anim cillum ipsum aliqua consequat velit nostrud. Irure aliquip adipisicing culpa dolore. Cupidatat aliqua voluptate aliqua exercitation sit commodo esse in id duis cupidatat veniam laboris occaecat incididunt. Anim officia ullamco cupidatat elit consectetur dolor adipisicing dolore duis consequat in sint qui.Enim aliquip adipisicing cillum. Enim laborum sint ad duis consequat sunt ad tempor laborum voluptate ea enim reprehenderit consequat eiusmod. Eu sit culpa ipsum irure occaecat tempor do. Culpa aute do ipsum elit esse est consequat in aliqua ea consequat ut excepteur in. Ex nulla exercitation labore cupidatat Lorem exercitation pariatur dolore dolor.Sit est irure cillum esse est pariatur dolor quis exercitation ullamco ea. Est labore officia incididunt ipsum sunt ullamco ea cillum ad exercitation occaecat sit adipisicing. Et exercitation veniam magna cupidatat quis culpa ut tempor. Ea sint ullamco consectetur do laboris pariatur cupidatat anim cillum ipsum aliqua consequat velit nostrud. Irure aliquip adipisicing culpa dolore. Cupidatat aliqua voluptate aliqua exercitation sit commodo esse in id duis cupidatat veniam laboris occaecat incididunt. Anim officia ullamco cupidatat elit consectetur dolor adipisicing dolore duis consequat in sint qui.Enim aliquip adipisicing cillum. Enim laborum sint ad duis consequat sunt ad tempor laborum voluptate ea enim reprehenderit consequat eiusmod. Eu sit culpa ipsum irure occaecat tempor do. Culpa aute do ipsum elit esse est consequat in aliqua ea consequat ut excepteur in. Ex nulla exercitation labore cupidatat Lorem exercitation pariatur dolore dolor.Sit est irure cillum esse est pariatur dolor quis exercitation ullamco ea. Est labore officia incididunt ipsum sunt ullamco ea cillum ad exercitation occaecat sit adipisicing. Et exercitation veniam magna cupidatat quis culpa ut tempor. Ea sint ullamco consectetur do laboris pariatur cupidatat anim cillum ipsum aliqua consequat velit nostrud. Irure aliquip adipisicing culpa dolore. Cupidatat aliqua voluptate aliqua exercitation sit commodo esse in id duis cupidatat veniam laboris occaecat incididunt. Anim officia ullamco cupidatat elit consectetur dolor adipisicing dolore duis consequat in sint qui.Enim aliquip adipisicing cillum. Enim laborum sint ad duis consequat sunt ad tempor laborum voluptate ea enim reprehenderit consequat eiusmod. Eu sit culpa ipsum irure occaecat tempor do. Culpa aute do ipsum elit esse est consequat in aliqua ea consequat ut excepteur in. Ex nulla exercitation labore cupidatat Lorem exercitation pariatur dolore dolor.Sit est irure cillum esse est pariatur dolor quis exercitation ullamco ea. Est labore officia incididunt ipsum sunt ullamco ea cillum ad exercitation occaecat sit adipisicing. Et exercitation veniam magna cupidatat quis culpa ut tempor. Ea sint ullamco consectetur do laboris pariatur cupidatat anim cillum ipsum aliqua consequat velit nostrud. Irure aliquip adipisicing culpa dolore. Cupidatat aliqua voluptate aliqua exercitation sit commodo esse in id duis cupidatat veniam laboris occaecat incididunt. Anim officia ullamco cupidatat elit consectetur dolor adipisicing dolore duis consequat in sint qui."}''';
// const kRawEchoApiUrl = 'http://0.0.0.0:3000/example/echo_server.php';
const kDecodedEchoAPIUrl = 'http://127.0.0.1:$kServerPort/decoded_echo';
const kRawEchoApiUrl = 'http://127.0.0.1:$kServerPort/raw_echo';
const kMiddleEchoApiUrl = 'http://127.0.0.1:$kServerPort/middle_cipher';
const kMaxPartSize = 600;
final logger = Logger();
Future<void> main() async {
  final server = await dartBackEnd();
  await rrrr();
  await errr();
  await erdr();
  await erdr2();
  await erdr3();
  await ioWriteAndRead();
  server.close(force: true);
}

final testFile = File('test.test');
const streamMeta = EncryptStreamMeta(
  ending: '#ENDING#',
  separator: '#=#',
);
Future<void> ioWriteAndRead() async {
  final encrypter = AESByteDataEncrypter.empty();
  final decrypter = AESByteDataDecrypter(key: encrypter.key, iv: encrypter.iv);
  const testData =
      '''Elit mollit Lorem et cillum voluptate id aliqua. Ipsum velit mollit duis cupidatat exercitation aliqua excepteur eu anim excepteur ad. Sint dolor eiusmod aliquip proident elit. Qui cupidatat veniam minim do cillum enim aute veniam sit duis. Voluptate quis consectetur duis reprehenderit. Excepteur sunt occaecat in labore ea consequat dolor culpa ex aliquip aute consequat.
Culpa do labore id. Ex ea sunt veniam. Occaecat Lorem occaecat culpa laboris fugiat dolore sit labore. Enim excepteur sit amet do laboris mollit esse nulla do occaecat pariatur id. Ut sit sit sit velit tempor dolore adipisicing pariatur aliquip aute cillum ipsum.''';
  final secureFile = SecureFile(
    testFile,
    encrypter: encrypter,
    decrypter: decrypter,
    // streamMeta: streamMeta,
    useBase64: false,
    maxBlockSize: kMaxPartSize,
  );
  await secureFile.writeString(
    testData,
  );
  final readData = await secureFile.readString();

  logger.i(
    'read value: $readData',
    null,
    StackTrace.fromString('DartExample'),
  );
}

Future<void> rrrr() async {
  final encrypter = NoEncryptionByteDataEncrypter();
  final decrypter = NoEncryptionByteDataDecrypter();
  final dioClient = CipherDioHttpAdapter(
    decrypter: decrypter,
    encrypter: encrypter,
    maximumPartSize: kMaxPartSize,
  );

  final dio = Dio()..httpClientAdapter = dioClient;
  await dio
      .post(
    kRawEchoApiUrl,
    data: kMessage,
  )
      .then((response) {
    logger.i(
      'Raw echo request -> Raw response: ${response.data}',
      null,
      StackTrace.fromString('DartExample'),
    );
  });
}

Future<void> errr() async {
  final encrypter = AESByteDataEncrypter.empty();
  final decrypter = NoEncryptionByteDataDecrypter();
  final dioClient = CipherDioHttpAdapter(
    decrypter: decrypter,
    encrypter: encrypter,
    maximumPartSize: kMaxPartSize,
  );

  final dio = Dio()..httpClientAdapter = dioClient;
  await dio
      .post(
    kRawEchoApiUrl,
    data: kMessage,
  )
      .then((response) {
    logger.i(
      'Encrypted echo request -> raw response: ${response.data}',
      null,
      StackTrace.fromString('DartExample'),
    );
  });
}

Future<void> erdr() async {
  final encrypter = AESByteDataEncrypter.randomSecureKey();
  final decrypter = AESByteDataDecrypter(key: encrypter.key, iv: encrypter.iv);
  final dioClient = CipherDioHttpAdapter(
    decrypter: decrypter,
    encrypter: encrypter,
    maximumPartSize: kMaxPartSize,
  );
  final dio = Dio()..httpClientAdapter = dioClient;

  await dio
      .post(
    kRawEchoApiUrl,
    data: kMessage,
  )
      .then((response) {
    logger.i(
      'Encrypted echo request -> decrypted response: ${response.data}',
      null,
      StackTrace.fromString('DartExample'),
    );
  });
}

Future<void> erdr2() async {
  final encrypter = AESByteDataEncrypter.empty();
  final decrypter = NoEncryptionByteDataDecrypter();
  final dioClient = CipherDioHttpAdapter(
    decrypter: decrypter,
    encrypter: encrypter,
    maximumPartSize: kMaxPartSize,
  );

  final dio = Dio()..httpClientAdapter = dioClient;

  final response = await dio.post(
    kDecodedEchoAPIUrl,
    data: kMessage,
  );
  logger.i(
    'Encrypted request -> decrypted in backend: ${response.data}',
    null,
    StackTrace.fromString('DartExample'),
  );
}

Future<void> erdr3() async {
  final encrypter = AESByteDataEncrypter.empty();
  final decrypter = NoEncryptionByteDataDecrypter();
  final dioClient = CipherDioHttpAdapter(
    decrypter: decrypter,
    encrypter: encrypter,
    maximumPartSize: kMaxPartSize,
  );

  final dio = Dio()..httpClientAdapter = dioClient;

  final response = await dio.post(
    kMiddleEchoApiUrl,
    data: kMessage,
  );
  logger.i(
    'Encrypted request -> decrypted in backend (MiddleWare): ${response.data}',
    null,
    StackTrace.fromString('DartExample'),
  );
}