authyo_plugin 1.0.0

The Authyo Flutter plugin offers a simple, production-ready way to add secure, multi-channel MFA to your app using Authyo. Ideal for legacy or passwordless systems with support for SMS, WhatsApp, Emai [...]

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:authyo_plugin/authyo_plugin.dart';
import 'package:flutter/services.dart';

void main() {
  runApp(const MyApp());
}

final GlobalKey<NavigatorState> navigationKey = GlobalKey<NavigatorState>();

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final AuthyoService authyoService = AuthyoService.instance;
  final TextEditingController phoneNumberController = TextEditingController();
  final GlobalKey<FormState> formKey = GlobalKey<FormState>();
  final ValueNotifier isLoading = ValueNotifier(false);
  final ValueNotifier<AuthwayEnum> senderSwitch = ValueNotifier<AuthwayEnum>(AuthwayEnum.SMS);

  ValueNotifier<String> currentMaskId = ValueNotifier<String>('');

  bool showVerificationDialogFlag = true;

  @override
  void initState() {
    super.initState();
    authyoService.init(clientId: "YOUR-CLIENT-ID",
        clientSecret: "YOUR-CLIENT-SECRET",
        showVerificationDialog: showVerificationDialogFlag);
  }

  TextEditingController otpController = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('Authyo Plugin')),
        body: Builder(
          builder: (BuildContext context) {
            return Center(
              child: Padding(
                padding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 12),
                child: ValueListenableBuilder(
                  valueListenable: currentMaskId,
                  builder: (context, value, child) {
                    return Column(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: [
                        value.isNotEmpty && showVerificationDialogFlag == false
                            ? Column(
                                children: [
                                  TextField(
                                    controller: otpController,
                                    textAlign: TextAlign.center,
                                    decoration: InputDecoration(
                                      label: Text('Enter OTP'),
                                      focusColor: Colors.transparent,
                                      focusedBorder: OutlineInputBorder(
                                        borderSide: BorderSide(color: Theme.of(context).primaryColor, width: 1.25),
                                        borderRadius: BorderRadius.circular(24),
                                      ),
                                      border: OutlineInputBorder(
                                        borderSide: BorderSide(color: Theme.of(context).primaryColor),
                                        borderRadius: BorderRadius.circular(24),
                                      ),
                                      enabledBorder: OutlineInputBorder(
                                        borderSide: BorderSide(color: Theme.of(context).primaryColor),
                                        borderRadius: BorderRadius.circular(24),
                                      ),
                                      hintText: '******',
                                      hintStyle: TextStyle(color: Colors.grey.shade400),
                                      labelStyle: TextStyle(color: Colors.grey.shade600),
                                    ),
                                  ),
                                  TextButton(
                                    onPressed: () async {
                                      AuthyoResult otpResult = await authyoService.verifyOtp(maskId: currentMaskId.value, otp: otpController.text);

                                      if (showVerificationDialogFlag == false) {
                                        if (otpResult.error != null) {
                                          isLoading.value = false;

                                          ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Oops! ${otpResult.error?.message}')));
                                        } else {
                                          isLoading.value = false;

                                          ScaffoldMessenger.of(context).showSnackBar(
                                            SnackBar(
                                              content: Text(otpResult.result?.message ?? ''),
                                            ),
                                          );

                                          phoneNumberController.text = '';
                                          otpController.text = '';
                                          currentMaskId.value = '';
                                        }
                                      }
                                    },
                                    child: Text('Verify OTP'),
                                  ),
                                ],
                              )
                            : ValueListenableBuilder(
                                valueListenable: senderSwitch,
                                builder: (context, sender, child) {
                                  return Column(
                                    spacing: 12,
                                    crossAxisAlignment: CrossAxisAlignment.center,
                                    children: [
                                      TextFormField(
                                        controller: phoneNumberController,
                                        keyboardType: senderSwitch.value == AuthwayEnum.SMS ? TextInputType.phone : TextInputType.emailAddress,
                                        inputFormatters: senderSwitch.value == AuthwayEnum.SMS ? [FilteringTextInputFormatter.allow((RegExp(r'[0-9+]')))] : [],
                                        decoration: InputDecoration(
                                          label: Text(sender == AuthwayEnum.SMS ? 'Phone Number' : "Email Address"),
                                          focusColor: Colors.transparent,
                                          focusedBorder: OutlineInputBorder(
                                            borderSide: BorderSide(color: Theme.of(context).primaryColor, width: 1.25),
                                            borderRadius: BorderRadius.circular(24),
                                          ),
                                          border: OutlineInputBorder(
                                            borderSide: BorderSide(color: Theme.of(context).primaryColor),
                                            borderRadius: BorderRadius.circular(24),
                                          ),
                                          enabledBorder: OutlineInputBorder(
                                            borderSide: BorderSide(color: Theme.of(context).primaryColor),
                                            borderRadius: BorderRadius.circular(24),
                                          ),
                                          hintText: sender == AuthwayEnum.SMS ? "[phone]" : "[e-mail]",
                                          hintStyle: TextStyle(color: Colors.grey.shade400),
                                          labelStyle: TextStyle(color: Colors.grey.shade600),
                                        ),
                                      ),
                                      Row(
                                        spacing: 12,
                                        mainAxisAlignment: MainAxisAlignment.end,
                                        children: [
                                          Text('Use Email'),
                                          Switch(
                                            value: senderSwitch.value == AuthwayEnum.Email,
                                            onChanged: (value) async {
                                              phoneNumberController.text = '';
                                              FocusScope.of(context).unfocus();

                                              if (value == true) {
                                                senderSwitch.value = AuthwayEnum.Email;
                                              } else {
                                                senderSwitch.value = AuthwayEnum.SMS;
                                              }
                                            },
                                          ),
                                        ],
                                      ),
                                      TextButton(
                                        onPressed: () async {
                                          FocusScope.of(context).unfocus();
                                          AuthyoResult? otpResult = await authyoService.sendOtp(
                                            ctx: context,
                                            to: phoneNumberController.text,
                                            authWay: senderSwitch.value,
                                            onVerificationComplete: (authyoResult) {
                                              // Check for result.
                                              if (authyoResult.result?.error == null) {
                                                // Verification successful.
                                              }
                                            },
                                          );

                                          if (otpResult.error != null) {
                                            isLoading.value = false;
                                            ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Oops! ${otpResult.error?.message}')));
                                          } else {
                                            isLoading.value = false;
                                            if (otpResult.result?.data?.results != null) {
                                              if (otpResult.result!.data!.results!.isEmpty) {
                                                ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Error: ${otpResult.result?.message}')));
                                                return;
                                              }
                                              final maskResult = otpResult.result?.data?.results?.firstWhere(
                                                (element) => element.maskId != null,
                                                orElse: () {
                                                  return otpResult.result!.data!.results![0];
                                                },
                                              );

                                              if (maskResult == null || maskResult.maskId == null) {
                                                ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Unable to find maskId: ${maskResult!.message}')));
                                              } else {
                                                String? maskId = otpResult.result?.data?.results?.firstWhere((element) => element.maskId != null).maskId;
                                                ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('OTP Sent Successfully')));
                                                currentMaskId.value = maskId ?? '';
                                              }
                                            } else {
                                              ScaffoldMessenger.of(
                                                context,
                                              ).showSnackBar(SnackBar(content: Text('Unable to find maskId: ${otpResult.result?.data?.results?.first.message}')));
                                            }
                                          }
                                        },
                                        child: const Text('Send OTP'),
                                      ),
                                    ],
                                  );
                                },
                              ),
                      ],
                    );
                  },
                ),
              ),
            );
          },
        ),
      ),
    );
  }
}