step 5 : add public key, login try using public and failed

lib/repository/base_repository.dart

@@ -0,0 +1,100 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:dio/dio.dart';
+
+abstract class BaseRepository {
+  final Dio dio;
+  BaseRepository({required this.dio});
+
+  Future<Map<String, dynamic>> post({
+    required Map<String, dynamic> param,
+    required String service,
+    String? token,
+  }) async {
+    try {
+      final response = await dio.post(
+        service,
+        data: jsonEncode(param),
+        options: Options(
+          headers: token != null
+              ? {
+                  HttpHeaders.contentTypeHeader: "application/json",
+                  HttpHeaders.authorizationHeader: "Bearer $token",
+                }
+              : {
+                  HttpHeaders.contentTypeHeader: "application/json",
+                },
+          contentType: "application/json",
+        ),
+      );
+      if (response.statusCode != 200) {
+        throw BaseRepositoryException(
+          message: "Invalid Http Response ${response.statusCode}",
+        );
+      }
+      Map<String, dynamic> jsonData = jsonDecode(response.data);
+      if (jsonData["status"] != "OK") {
+        throw BaseRepositoryException(
+          message: jsonData["message"],
+        );
+      } else {
+        return jsonData;
+      }
+    } on DioError catch (e) {
+      throw BaseRepositoryException(message: e.message);
+    } on SocketException catch (e) {
+      throw BaseRepositoryException(message: e.message);
+    } on BaseRepositoryException catch (e) {
+      throw BaseRepositoryException(message: e.message);
+    }
+  }
+
+  Future<Map<String, dynamic>> get({
+    required String service,
+    String? token,
+  }) async {
+    try {
+      final response = await dio.get(
+        service,
+        options: Options(
+          headers: token != null
+              ? {
+                  HttpHeaders.contentTypeHeader: "application/json",
+                  HttpHeaders.authorizationHeader: "Bearer $token",
+                }
+              : {
+                  HttpHeaders.contentTypeHeader: "application/json",
+                },
+          contentType: "application/json",
+        ),
+      );
+      if (response.statusCode != 200) {
+        throw BaseRepositoryException(
+          message: "Invalid Http Response ${response.statusCode}",
+        );
+      }
+      Map<String, dynamic> jsonData = jsonDecode(response.data);
+      if (jsonData["status"] != "OK") {
+        throw BaseRepositoryException(
+          message: jsonData["message"],
+        );
+      } else {
+        return jsonData;
+      }
+    } on DioError catch (e) {
+      throw BaseRepositoryException(message: e.message);
+    } on SocketException catch (e) {
+      throw BaseRepositoryException(message: e.message);
+    } on BaseRepositoryException catch (e) {
+      throw BaseRepositoryException(message: e.message);
+    }
+  }
+}
+
+class BaseRepositoryException implements Exception {
+  final String? message;
+  BaseRepositoryException({
+    required this.message,
+  });
+}

lib/screen/login/login_screen.dart

@@ -1,31 +1,75 @@
+import 'dart:io';
+
+import 'package:dio/dio.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:google_sign_in/google_sign_in.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:path_provider/path_provider.dart';
 
 import '../../app/constant.dart';
 import '../../provider/google_login_provider.dart';
 
+import 'package:crypton/crypton.dart' as crypton;
+
 class LoginScreen extends HookConsumerWidget {
   const LoginScreen({super.key});
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    
     // inisialisasi
     // ref.watch itu sama spt memantau state terus menerus
     // ref.read itu memantau namun hny 1x saja
     GoogleSignInAccount? currentUser = ref.watch(currentUserProvider);
     final googleSignIn = ref.watch(googleSignInProvider);
 
+    Future<void> postPublicKey() async {
+      Dio dio = Dio();
+      String url = "https://example.com/api/post_endpoint";
+      try {
+        final publicPem = await rootBundle.loadString('assets/public_key.pem');
+        final publicKey = crypton.RSAPublicKey.fromPEM(publicPem);
+
+        // GoogleSignInAccount? currentUser = ref.watch(currentUserProvider);
+        // final googleSignIn = ref.watch(googleSignInProvider);
+        // return filePath;
+
+        publicKey.encrypt("testing satu dua tiga");
+        Map<String, dynamic> data = {
+          "publickey": publicKey,
+          "id_google_sign_in": "102110797605607117832",
+          "email": "sindhu@sismedia.com"
+        };
+
+        Response response = await dio.post(
+          url,
+          data: data,
+        );
+
+        // Menampilkan respons dari server
+        print("Response data: ${response.data}");
+
+        // googleSignIn.onCurrentUserChanged.listen((account) {
+        //   // untuk update value ke provider google_login_provider yaitu currentUserProvider
+        //   ref.read(currentUserProvider.notifier).update((state) => account);
+        // });
+        // googleSignIn.signInSilently();
+      } catch (e) {
+        print("Error reading file: $e");
+      }
+    }
+
     useEffect(() {
-      googleSignIn.onCurrentUserChanged.listen((account) {
+      // googleSignIn.onCurrentUserChanged.listen((account) {
-        // untuk update value ke provider google_login_provider yaitu currentUserProvider
+      //   // untuk update value ke provider google_login_provider yaitu currentUserProvider
-        ref.read(currentUserProvider.notifier).update((state) => account);
+      //   ref.read(currentUserProvider.notifier).update((state) => account);
-      });
+      // });
-      googleSignIn.signInSilently();
+      // googleSignIn.signInSilently();
-      return (){};
+
+      postPublicKey();
+      return () {};
     }, const []);
 
     // fungsi untuk sync ke google mail

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -6,9 +6,11 @@ import FlutterMacOS
 import Foundation
 
 import geolocator_apple
+import path_provider_foundation
 import shared_preferences_foundation
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   GeolocatorPlugin.register(with: registry.registrar(forPlugin: "GeolocatorPlugin"))
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
 }

publickey/public.pem

@@ -0,0 +1,6 @@
+-----BEGIN PUBLIC KEY-----
+MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7Exn1YjlSoZ/ihKQbH04iogX1
+auWL4In0i1x5akuvlSkkzoLRWXM7sbTrHIjyqDJuuFrcA/ilygYB4QYrIk3v8owS
+HcJB64f3qCrxyE8dK4iPmtogH9Gb7+L2LMOV/UjHwtP3TgAiMEM55qVIf1qbQGxZ
+WNtIR4RHD0uMVtOCtwIDAQAB
+-----END PUBLIC KEY-----

pubspec.lock

@@ -25,6 +25,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.4.2"
+  asn1lib:
+    dependency: transitive
+    description:
+      name: asn1lib
+      sha256: "21afe4333076c02877d14f4a89df111e658a6d466cbfc802eb705eb91bd5adfd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.0"
   async:
     dependency: transitive
     description:
@@ -81,6 +89,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.3"
+  crypton:
+    dependency: "direct main"
+    description:
+      name: crypton
+      sha256: "17b6631fbf89e389d421b46629132287ed37d601b2ad1357445826ab85022271"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -432,6 +448,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.8.3"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      sha256: b27217933eeeba8ff24845c34003b003b2b22151de3c908d0e679e8fe1aa078b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "477184d672607c0a3bf68fbbf601805f92ef79c82b64b4d6eb318cbca4c48668"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "19314d595120f82aca0ba62787d58dde2cc6b5df7d2f0daf72489e38d1b57f2d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
   path_provider_linux:
     dependency: transitive
     description:
@@ -480,6 +520,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      sha256: "7c1e5f0d23c9016c5bbd8b1473d0d3fb3fc851b876046039509e18e0c7485f2c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.7.3"
   polylabel:
     dependency: transitive
     description:

pubspec.yaml

@@ -46,6 +46,8 @@ dependencies:
   flutter_map: ^6.1.0
   latlong2: ^0.9.0
   google_sign_in: ^6.1.6
+  crypton: ^2.2.1
+  path_provider: ^2.0.2
 
 dev_dependencies:
   flutter_test:
@@ -72,6 +74,7 @@ flutter:
   # To add assets to your application, add an assets section, like this:
   assets:
     - images/
+    - publickey/
   #   - images/a_dot_ham.jpeg
 
   # An image asset can refer to one or more resolution-specific "variants", see