feat: Implement required parameter of limited disclosure in presentat…

…ion definition #2599

lib/app/shared/helper_functions/helper_functions.dart

@@ -5,14 +5,13 @@ import 'package:altme/app/app.dart';
 import 'package:altme/dashboard/dashboard.dart';
 import 'package:altme/oidc4vc/oidc4vc.dart';
 import 'package:altme/selective_disclosure/selective_disclosure.dart';
+import 'package:asn1lib/asn1lib.dart' as asn1lib;
 import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:convert/convert.dart';
 import 'package:credential_manifest/credential_manifest.dart';
-
 import 'package:dartez/dartez.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 import 'package:dio/dio.dart';
-
 import 'package:fast_base58/fast_base58.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'package:intl/intl.dart';
@@ -23,8 +22,6 @@ import 'package:key_generator/key_generator.dart';
 import 'package:oidc4vc/oidc4vc.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:secure_storage/secure_storage.dart';
-import 'package:pointycastle/pointycastle.dart' as pc;
-import 'package:asn1lib/asn1lib.dart' as asn1lib;
 import 'package:x509/x509.dart' as x509;
 
 String generateDefaultAccountName(
@@ -1661,7 +1658,6 @@ List<String> getStringCredentialsForToken({
 
     /// jwt_vc
     presentJwtVc = format?.jwtVc != null || format?.jwtVp != null;
-    ;
 
     /// jwt_vc_json
     presentJwtVcJson = format?.jwtVcJson != null || format?.jwtVpJson != null;

lib/dashboard/home/tab_bar/credentials/detail/view/credentials_details_page.dart

@@ -145,9 +145,6 @@ class _CredentialsDetailsViewState extends State<CredentialsDetailsView> {
         .customOidc4vcProfile
         .credentialManifestSupport;
 
-    final isSecure = profileData.profileSetting.selfSovereignIdentityOptions
-        .customOidc4vcProfile.securityLevel;
-
     final credentialSupported = widget.credentialModel.credentialSupported;
 
     final claims = credentialSupported?['claims'];

lib/dashboard/home/tab_bar/credentials/present/pick/credential_manifest/view/credential_manifest_credential_offer_pick_page.dart

@@ -214,10 +214,13 @@ class CredentialManifestOfferPickView extends StatelessWidget {
                                                             .filteredCredentialList[
                                                         credentialManifestState
                                                             .selected.first],
+                                                presentationDefinition:
+                                                    presentationDefinition,
                                               ),
                                             ),
 
-                                    /// next button because we will now choose the claims we will present
+                                    /// next button because we will now choose
+                                    /// the claims we will present
                                     /// from the selected credential
                                     text: l10n.next,
                                   )

lib/dashboard/home/tab_bar/credentials/present/pick/selective_disclosure/cubit/selective_disclosure_pick_cubit.dart

@@ -1,6 +1,7 @@
 import 'package:altme/app/shared/shared.dart';
 import 'package:altme/dashboard/home/home.dart';
 import 'package:altme/selective_disclosure/selective_disclosure.dart';
+import 'package:credential_manifest/credential_manifest.dart';
 import 'package:equatable/equatable.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:json_annotation/json_annotation.dart';
@@ -16,6 +17,41 @@ class SelectiveDisclosureCubit extends Cubit<SelectiveDisclosureState> {
 
   final OIDC4VC oidc4vc;
 
+  void dataFromPresentation({
+    required CredentialModel credentialModel,
+    required PresentationDefinition? presentationDefinition,
+  }) {
+    String? limitDisclosure;
+    final json = <String, dynamic>{};
+
+    if (presentationDefinition != null) {
+      final selectiveDisclosure = SelectiveDisclosure(credentialModel);
+
+      final credentialData = createJsonByDecryptingSDValues(
+        encryptedJson: credentialModel.data,
+        selectiveDisclosure: selectiveDisclosure,
+      );
+
+      for (final inputDescriptor in presentationDefinition.inputDescriptors) {
+        final filterList = inputDescriptor.constraints?.fields ?? <Field>[];
+
+        limitDisclosure = inputDescriptor.constraints?.limitDisclosure;
+
+        for (final field in filterList) {
+          for (final path in field.path) {
+            final searchList = getTextsFromCredential(path, credentialData);
+            for (final element in searchList) {
+              final key = path.split('.').toList().last;
+              json[key] = element;
+            }
+          }
+        }
+      }
+
+      emit(state.copyWith(limitDisclosure: limitDisclosure, filters: json));
+    }
+  }
+
   void toggle(String claimKeyId) {
     final List<String> selectedClaimsKeys = List.of(state.selectedClaimsKeyIds);
 
@@ -82,4 +118,18 @@ class SelectiveDisclosureCubit extends Cubit<SelectiveDisclosureState> {
     }
     emit(state.copyWith(selectedSDIndexInJWT: selected));
   }
+
+  void disclosureAction({
+    required String claimKeyId,
+    required CredentialModel credentialModel,
+    String? threeDotValue,
+    String? claimsKey,
+  }) {
+    toggle(claimKeyId);
+    saveIndexOfSDJWT(
+      claimsKey: claimsKey,
+      credentialModel: credentialModel,
+      threeDotValue: threeDotValue,
+    );
+  }
 }

lib/dashboard/home/tab_bar/credentials/present/pick/selective_disclosure/cubit/selective_disclosure_pick_state.dart

@@ -6,6 +6,8 @@ class SelectiveDisclosureState extends Equatable {
     this.message,
     this.selectedClaimsKeyIds = const [],
     this.selectedSDIndexInJWT = const [],
+    this.limitDisclosure,
+    this.filters,
   });
 
   factory SelectiveDisclosureState.fromJson(Map<String, dynamic> json) =>
@@ -14,15 +16,21 @@ class SelectiveDisclosureState extends Equatable {
   final StateMessage? message;
   final List<String> selectedClaimsKeyIds;
   final List<int> selectedSDIndexInJWT;
+  final String? limitDisclosure;
+  final Map<String, dynamic>? filters;
 
   SelectiveDisclosureState copyWith({
     List<String>? selectedClaimsKeyIds,
     List<int>? selectedSDIndexInJWT,
     StateMessage? message,
+    String? limitDisclosure,
+    Map<String, dynamic>? filters,
   }) {
     return SelectiveDisclosureState(
       selectedClaimsKeyIds: selectedClaimsKeyIds ?? this.selectedClaimsKeyIds,
       selectedSDIndexInJWT: selectedSDIndexInJWT ?? this.selectedSDIndexInJWT,
+      limitDisclosure: limitDisclosure ?? this.limitDisclosure,
+      filters: filters ?? this.filters,
       message: message,
     );
   }
@@ -34,5 +42,7 @@ class SelectiveDisclosureState extends Equatable {
         selectedClaimsKeyIds,
         selectedSDIndexInJWT,
         message,
+        limitDisclosure,
+        filters,
       ];
 }

lib/dashboard/home/tab_bar/credentials/present/pick/selective_disclosure/view/selective_disclosure_pick_page.dart

@@ -6,6 +6,7 @@ import 'package:altme/l10n/l10n.dart';
 import 'package:altme/scan/cubit/scan_cubit.dart';
 import 'package:altme/selective_disclosure/selective_disclosure.dart';
 import 'package:altme/selective_disclosure/widget/display_selective_disclosure.dart';
+import 'package:credential_manifest/credential_manifest.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:oidc4vc/oidc4vc.dart';
@@ -17,25 +18,29 @@ class SelectiveDisclosurePickPage extends StatelessWidget {
     required this.credential,
     required this.issuer,
     required this.credentialToBePresented,
+    required this.presentationDefinition,
   });
 
   final Uri uri;
   final CredentialModel credential;
   final Issuer issuer;
   final CredentialModel credentialToBePresented;
+  final PresentationDefinition? presentationDefinition;
 
   static Route<dynamic> route({
     required Uri uri,
     required CredentialModel credential,
     required Issuer issuer,
     required CredentialModel credentialToBePresented,
+    required PresentationDefinition? presentationDefinition,
   }) {
     return MaterialPageRoute<void>(
       builder: (context) => SelectiveDisclosurePickPage(
         uri: uri,
         credential: credential,
         issuer: issuer,
         credentialToBePresented: credentialToBePresented,
+        presentationDefinition: presentationDefinition,
       ),
       settings: const RouteSettings(name: '/SelectiveDisclosurePickPage'),
     );
@@ -52,24 +57,45 @@ class SelectiveDisclosurePickPage extends StatelessWidget {
         credential: credential,
         issuer: issuer,
         credentialToBePresented: credentialToBePresented,
+        presentationDefinition: presentationDefinition,
       ),
     );
   }
 }
 
-class SelectiveDisclosurePickView extends StatelessWidget {
+class SelectiveDisclosurePickView extends StatefulWidget {
   const SelectiveDisclosurePickView({
     super.key,
     required this.uri,
     required this.credential,
     required this.issuer,
     required this.credentialToBePresented,
+    required this.presentationDefinition,
   });
 
   final Uri uri;
   final CredentialModel credential;
   final Issuer issuer;
   final CredentialModel credentialToBePresented;
+  final PresentationDefinition? presentationDefinition;
+
+  @override
+  State<SelectiveDisclosurePickView> createState() =>
+      _SelectiveDisclosurePickViewState();
+}
+
+class _SelectiveDisclosurePickViewState
+    extends State<SelectiveDisclosurePickView> {
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addPostFrameCallback((_) async {
+      context.read<SelectiveDisclosureCubit>().dataFromPresentation(
+            credentialModel: widget.credentialToBePresented,
+            presentationDefinition: widget.presentationDefinition,
+          );
+    });
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -95,7 +121,7 @@ class SelectiveDisclosurePickView extends StatelessWidget {
               context.read<ProfileCubit>().state.model.profileSetting;
 
           final credentialImage =
-              SelectiveDisclosure(credentialToBePresented).getPicture;
+              SelectiveDisclosure(widget.credentialToBePresented).getPicture;
 
           return BasePage(
             title: l10n.thisOrganisationRequestsThisInformation,
@@ -111,22 +137,22 @@ class SelectiveDisclosurePickView extends StatelessWidget {
                   PictureDisplay(credentialImage: credentialImage)
                 else
                   CredentialDisplay(
-                    credentialModel: credentialToBePresented,
+                    credentialModel: widget.credentialToBePresented,
                     credDisplayType: CredDisplayType.List,
                     profileSetting: profileSetting,
                     isDiscover: false,
                   ),
                 const SizedBox(height: 20),
                 DisplaySelectiveDisclosure(
-                  credentialModel: credentialToBePresented,
+                  credentialModel: widget.credentialToBePresented,
                   claims: null,
-                  selectedClaimsKeyIds: state.selectedClaimsKeyIds,
+                  selectiveDisclosureState: state,
                   onPressed: (claimKey, claimKeyId, threeDotValue) {
-                    context.read<SelectiveDisclosureCubit>().toggle(claimKeyId);
-                    context.read<SelectiveDisclosureCubit>().saveIndexOfSDJWT(
+                    context.read<SelectiveDisclosureCubit>().disclosureAction(
                           claimsKey: claimKey,
-                          credentialModel: credentialToBePresented,
+                          credentialModel: widget.credentialToBePresented,
                           threeDotValue: threeDotValue,
+                          claimKeyId: claimKeyId,
                         );
                   },
                   showVertically: true,
@@ -142,7 +168,7 @@ class SelectiveDisclosurePickView extends StatelessWidget {
                     onPressed: () => present(
                       context: context,
                       selectedSDIndexInJWT: state.selectedSDIndexInJWT,
-                      uri: uri,
+                      uri: widget.uri,
                     ),
                     text: l10n.credentialPickPresent,
                   ),
@@ -184,7 +210,7 @@ class SelectiveDisclosurePickView extends StatelessWidget {
       }
     }
 
-    final encryptedValues = credentialToBePresented.jwt
+    final encryptedValues = widget.credentialToBePresented.jwt
         ?.split('~')
         .where((element) => element.isNotEmpty)
         .toList();
@@ -244,17 +270,17 @@ class SelectiveDisclosurePickView extends StatelessWidget {
 
       newJwt = '$newJwt$jwtToken';
 
-      final CredentialModel newModel =
-          credentialToBePresented.copyWith(selectiveDisclosureJwt: newJwt);
+      final CredentialModel newModel = widget.credentialToBePresented
+          .copyWith(selectiveDisclosureJwt: newJwt);
 
       final credToBePresented = [newModel];
 
       await context.read<ScanCubit>().credentialOfferOrPresent(
             uri: uri,
-            credentialModel: credential,
+            credentialModel: widget.credential,
             keyId: SecureStorageKeys.ssiKey,
             credentialsToBePresented: credToBePresented,
-            issuer: issuer,
+            issuer: widget.issuer,
             qrCodeScanCubit: context.read<QRCodeScanCubit>(),
           );
     } else {

lib/selective_disclosure/selective_disclosure.dart

@@ -168,9 +168,7 @@ class SelectiveDisclosure {
     }
   }
 
-  List<ClaimsData> getClaimsData({
-    required String key,
-  }) {
+  List<ClaimsData> getClaimsData({required String key}) {
     dynamic data;
     final value = <ClaimsData>[];
     final JsonPath dataPath = JsonPath(