banking_dcb_sdk_flutter 0.0.3

banking_dcb_sdk_flutter: ^0.0.3 copied to clipboard

example/lib/main.dart

import 'dart:convert';
import 'dart:io';

import 'package:banking_dcb_sdk_flutter/banking_dcb_sdk_flutter.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
import 'package:http/http.dart';
import 'package:package_info_plus/package_info_plus.dart';
import 'package:dart_jsonwebtoken/dart_jsonwebtoken.dart';

import 'package:flutter/material.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:url_launcher/url_launcher.dart';

class MyHttpOverrides extends HttpOverrides {
  @override
  HttpClient createHttpClient(SecurityContext? context) {
    return super.createHttpClient(context)
      ..badCertificateCallback =
          (X509Certificate cert, String host, int port) => true;
  }
}

void main() async {

  WidgetsFlutterBinding.ensureInitialized();
  await dotenv.load(fileName: "lib/.env");
  HttpOverrides.global = MyHttpOverrides();
  await PartnerLibrary.init(
    dotenv.env['BASE_URL']!,
    whitelistedDomains: [
      "razorpay.com",
      "sbmkycuat.esbeeyem.com",
      "m2pfintech.com",
      "https://capture.kyc.idfy.com"
    ],
    deviceBindingEnabled: false,
  );

  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHome(),
    );
  }
}

class MyHome extends StatefulWidget {
  @override
  _MyHomeState createState() => _MyHomeState();
}

class _MyHomeState extends State<MyHome> {
  final _formKey = GlobalKey<FormState>();
  final _nameController = TextEditingController();
  final _emailController = TextEditingController();
  final _phoneController = TextEditingController();
  final _prospectIDController = TextEditingController();
  final _partnerUserIdController = TextEditingController();

  String name = '';
  String email = '';
  String phone = '';
  // final String? clientId = dotenv.env['KID'];
  String baseUrl = '';
  String token = '';

  @override
  void initState() {
    baseUrl = dotenv.env['BASE_URL']!;
    super.initState();
    // _setupDeepLinks();
    _checkSession((WebViewCallback action) {
      switch (action.type) {
        case WebViewCallbackType.redirect:
          print("Redirected with status: ${action.status}");
          break;
        case WebViewCallbackType.logout:
          print("User logged out");
          break;
      }
    });
  }
  // Future<Dio> createPemTrustedDio() async {
  //   final pemBytes = (await rootBundle.load('assets/certs/uatcbp_chain.pem')).buffer.asUint8List();
  //   final context = SecurityContext(withTrustedRoots: false)..setTrustedCertificatesBytes(pemBytes);
  //
  //   final dio = Dio(BaseOptions(
  //     connectTimeout: const Duration(seconds: 20),
  //     receiveTimeout: const Duration(seconds: 20),
  //   ));
  //   (dio.httpClientAdapter as IOHttpClientAdapter).createHttpClient = () {
  //     final client = HttpClient(context: context);
  //     client.connectionTimeout = const Duration(seconds: 20);
  //     return client;
  //   };
  //   return dio;
  // }

  Future<void> _checkSession(WebViewCallbackFunction callback) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();

    String? name = prefs.getString('name');
    String? email = prefs.getString('email');
    String? phone = prefs.getString('phone');
    setState(() {
      _nameController.text = name ?? '';
      _emailController.text = email ?? '';
      _phoneController.text = phone ?? '';
    });
  }

  Future<void> createToken( //SBM
      String module, String photo, WebViewCallbackFunction callback,
      {String? nameInput, String? emailInput, String? phoneInput}) async {
    setState(() {
      name = nameInput?.isNotEmpty == true ? nameInput! : _nameController.text;
      email =
      emailInput?.isNotEmpty == true ? emailInput! : _emailController.text;
      phone =
      phoneInput?.isNotEmpty == true ? phoneInput! : _phoneController.text;
    });
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setString('name', name);
    await prefs.setString('email', email);
    await prefs.setString('phone', phone);
    final String clientId = dotenv.env['KID']!;
    print("clientId  $clientId");
    final Map<String, Object> headers = {
      'kid': clientId,
      'typ': 'JWT',
      'alg': 'HS256',
    };

    final Map<String, String> attributes = {
      'name': name.trim(),
      'photo': photo,
      "partner_user_id": _partnerUserIdController.text.trim() ?? "1234"
    };
    const Duration expirationDuration = Duration(milliseconds: 300000);
    final clientSecret = dotenv.env['CLIENT_SECRET'];
    print("clientSecret $clientSecret");
    final jwt = JWT(
      {

        'attributes': attributes,
        // 'module': '/banking/dcb/credit_card/CRE',
        // "redirect_url": "https://credilio.in",
        "prospect_id": _prospectIDController.text.trim(),
        "device_binded": true,
      },
      header: headers,
    );

    token = await jwt.sign(
      SecretKey(clientSecret!),
      expiresIn: expirationDuration,
    );

    print("Token generated FROM client side is: $token  for module $module");
    final sdkLoginResponse =  await  PartnerLibrary.instance.sdkLogin(context,token: token,partner: 'dcb');

    final pbApi = await PartnerLibrary.instance.publicCallAPI('https://uatcbp.dcbbank.com/api/user/token',
       'POST',
        // headers: {
        //   'Content-Type': 'application/json',
        // },
        body: {'token': token},
        );

    print("Public API response: ${pbApi}");
    print("sdkLoginResponse $sdkLoginResponse");
    await PartnerLibrary.instance.open(context, module, token, callback);
  }
  // void _setupDeepLinks() {
  //   partnerLibrary.initializeDeepLinks(
  //     context,
  //     onDeepLinkNavigate: (String path) {
  //       switch (path) {
  //         case '/deeplink1':
  //           Navigator.of(context).push(MaterialPageRoute(
  //             builder: (context) => DeepLinkTest(),
  //           ));
  //           break;
  //         case '/deeplink2':
  //           Navigator.of(context).push(MaterialPageRoute(
  //             builder: (context) => DeepLinkTest2(),
  //           ));
  //           break;
  //       }
  //     },
  //     onSpenseLoadSlug: (String loadSlug) {
  //       print("Handling Spense load slug: $loadSlug");
  //     },
  //   );
  // }

  @override
  void dispose() {
    _nameController.dispose();
    _emailController.dispose();
    _phoneController.dispose();
    _prospectIDController.dispose();
    _partnerUserIdController.dispose();
    super.dispose();
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SafeArea(
        child: Padding(
          padding: const EdgeInsets.all(16.0),
          child: Form(
            key: _formKey,
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Row(
                  children: [
                    Spacer(),
                    SizedBox(
                      height: 48,
                      child: TextButton(
                        style: TextButton.styleFrom(
                          foregroundColor: Colors.black,
                        ),
                        onPressed: () {
                          if (_formKey.currentState!.validate()) {
                            createToken(dotenv.env['SPENSE_MODULE']!, '',
                                    (WebViewCallback action) {
                                  switch (action.type) {
                                    case WebViewCallbackType.redirect:
                                      print(
                                          "Redirected with status: ${action.status}");
                                      break;
                                    case WebViewCallbackType.logout:
                                      print("User logged out");
                                      break;
                                  }
                                });
                          }
                        },
                        child: const Text(
                          'Dashboard',
                          style: TextStyle(
                            fontWeight: FontWeight.bold,
                            fontSize: 20,
                          ),
                        ),
                      ),
                    ),
                  ],
                ),
                SizedBox(height: MediaQuery.of(context).size.height * 0.02),
                const Text(
                  'User Details',
                  style: TextStyle(fontSize: 30, fontWeight: FontWeight.bold),
                ),
                SizedBox(height: MediaQuery.of(context).size.height * 0.02),
                TextFormField(
                  controller: _prospectIDController,
                  decoration: const InputDecoration(
                    fillColor: Colors.grey,
                    labelText: 'Prospect ID',
                    border: OutlineInputBorder(),
                  ),
                  validator: (value) {
                    if (value == null || value.isEmpty) {
                      return 'Please enter your prospect ID';
                    }
                    return null;
                  },
                ),
                // SizedBox(height: MediaQuery.of(context).size.height * 0.02),
                // TextFormField(
                //   controller: _partnerUserIdController,
                //   decoration: const InputDecoration(
                //     fillColor: Colors.grey,
                //     labelText: 'Partner User ID',
                //     border: OutlineInputBorder(),
                //   ),
                //   // validator: (value) {
                //   //   if (value == null || value.isEmpty) {
                //   //     return 'Please enter your prospect ID';
                //   //   }
                //   //   return null;
                //   // },
                // ),
                //  -------------------------------COMMENTED FOR SBM -------------------------
                // SizedBox(height: MediaQuery.of(context).size.height * 0.02),
                // TextFormField(
                //   controller: _nameController,
                //   decoration: const InputDecoration(
                //     fillColor: Colors.grey,
                //     labelText: 'Name',
                //     border: OutlineInputBorder(),
                //   ),
                //   validator: (value) {
                //     if (value == null || value.isEmpty) {
                //       return 'Please enter your name';
                //     }
                //     return null;
                //   },
                // ),
                // SizedBox(height: MediaQuery.of(context).size.height * 0.02),
                // TextFormField(
                //   controller: _emailController,
                //   decoration: const InputDecoration(
                //     fillColor: Colors.grey,
                //     labelText: 'Email',
                //     border: OutlineInputBorder(),
                //   ),
                //   validator: (value) {
                //     if (value == null || value.isEmpty) {
                //       return 'Please enter your email';
                //     }
                //     return null;
                //   },
                // ),
                // SizedBox(height: MediaQuery.of(context).size.height * 0.02),
                // TextFormField(
                //   controller: _phoneController,
                //   decoration: const InputDecoration(
                //     fillColor: Colors.grey,
                //     labelText: 'Phone number',
                //     border: OutlineInputBorder(),
                //   ),
                //   validator: (value) {
                //     if (value == null || value.isEmpty) {
                //       return 'Please enter your phone number';
                //     }
                //     return null;
                //   },
                // ),
                // SizedBox(
                //   height: 48,
                //   child: TextButton(
                //     style: TextButton.styleFrom(
                //       foregroundColor: Colors.black,
                //     ),
                //     onPressed: () {
                //       if (_formKey.currentState!.validate()) {
                //         createToken('${dotenv.env['MODULE']!}/pay_bill', '',
                //             (WebViewCallback action) {
                //           switch (action.type) {
                //             case WebViewCallbackType.redirect:
                //               print("Redirected with status: ${action.status}");
                //               break;
                //             case WebViewCallbackType.logout:
                //               print("User logged out");
                //               break;
                //           }
                //         });
                //       }
                //     },
                //     child: const Text(
                //       'Pay Bill',
                //       style: TextStyle(
                //         fontWeight: FontWeight.bold,
                //         fontSize: 20,
                //       ),
                //     ),
                //   ),
                // ),
                // SizedBox(
                //   height: 48,
                //   child: TextButton(
                //     style: TextButton.styleFrom(
                //       foregroundColor: Colors.black,
                //     ),
                //     onPressed: () {
                //       if (_formKey.currentState!.validate()) {
                //         createToken('${dotenv.env['MODULE']!}/card_limits', '',
                //             (WebViewCallback action) {
                //           switch (action.type) {
                //             case WebViewCallbackType.redirect:
                //               print("Redirected with status: ${action.status}");
                //               break;
                //             case WebViewCallbackType.logout:
                //               print("User logged out");
                //               break;
                //           }
                //         });
                //       }
                //     },
                //     child: const Text(
                //       'Manage Card',
                //       style: TextStyle(
                //         fontWeight: FontWeight.bold,
                //         fontSize: 20,
                //       ),
                //     ),
                //   ),
                // ),
                // SizedBox(
                //   height: 48,
                //   child: TextButton(
                //     style: TextButton.styleFrom(
                //       foregroundColor: Colors.black,
                //     ),
                //     onPressed: () {
                //       if (_formKey.currentState!.validate()) {
                //         createToken(
                //             '${dotenv.env['MODULE']!}/all_transactions', '',
                //             (WebViewCallback action) {
                //           switch (action.type) {
                //             case WebViewCallbackType.redirect:
                //               print("Redirected with status: ${action.status}");
                //               break;
                //             case WebViewCallbackType.logout:
                //               print("User logged out");
                //               break;
                //           }
                //         });
                //       }
                //     },
                //     child: const Text(
                //       'Transactions',
                //       style: TextStyle(
                //         fontWeight: FontWeight.bold,
                //         fontSize: 20,
                //       ),
                //     ),
                //   ),
                // ),
                // SizedBox(
                //   height: 48,
                //   child: TextButton(
                //     style: TextButton.styleFrom(
                //       foregroundColor: Colors.black,
                //     ),
                //     onPressed: () {
                //       if (_formKey.currentState!.validate()) {
                //         createToken('${dotenv.env['MODULE']!}/enhance', '',
                //             (WebViewCallback action) {
                //           switch (action.type) {
                //             case WebViewCallbackType.redirect:
                //               print("Redirected with status: ${action.status}");
                //               break;
                //             case WebViewCallbackType.logout:
                //               print("User logged out");
                //               break;
                //           }
                //         });
                //       }
                //     },
                //     child: const Text(
                //       'Enhance',
                //       style: TextStyle(
                //         fontWeight: FontWeight.bold,
                //         fontSize: 20,
                //       ),
                //     ),
                //   ),
                // ),
                // const Spacer(),
                // ElevatedButton(
                //     onPressed: () {
                //       Navigator.of(context).push(MaterialPageRoute(
                //         builder: (context) => DeepLinkTest(),
                //       ));
                //     },
                //     child: Text('Go to DeepLink')),
                // ElevatedButton(
                //   onPressed: () {
                //     Navigator.of(context).push(MaterialPageRoute(
                //       builder: (context) => RateLimiterScreen(
                //         onCallback: (WebViewCallback action) {
                //           switch (action.type) {
                //             case WebViewCallbackType.redirect:
                //               print("Redirected with status: ${action.status}");
                //               break;
                //             case WebViewCallbackType.logout:
                //               print("User logged out");
                //               break;
                //           }
                //         },
                //       ),
                //     ));
                //   },
                //   child: Text('Rate Limiter'),
                // ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}