SD-JWT: present credential laking display #2826

TalaoDAO · Aug 13, 2024 · 5b23eb6 · 5b23eb6
1 parent a79e13a
commit 5b23eb6
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Showing 4 changed files with 341 additions and 168 deletions.
diff --git a/lib/dashboard/home/tab_bar/credentials/detail/view/credentials_details_page.dart b/lib/dashboard/home/tab_bar/credentials/detail/view/credentials_details_page.dart
@@ -321,13 +321,11 @@ class _CredentialsDetailsViewState extends State<CredentialsDetailsView> {
 
                           /// selective disclouse data - _sd
                           /// and normal data too
-                          if (containClaims) ...[
-                            DisplaySelectiveDisclosure(
-                              credentialModel: widget.credentialModel,
-                              claims: null,
-                              showVertically: showVerticalDescription,
-                            ),
-                          ],
+                          DisplaySelectiveDisclosure(
+                            credentialModel: widget.credentialModel,
+                            claims: null,
+                            showVertically: showVerticalDescription,
+                          ),
 
                           // /// normal claims data
                           // if (widget.credentialModel.credentialSupported !=

diff --git a/.../credentials/present/pick/selective_disclosure/cubit/selective_disclosure_pick_cubit.dart b/.../credentials/present/pick/selective_disclosure/cubit/selective_disclosure_pick_cubit.dart
@@ -95,10 +95,11 @@ class SelectiveDisclosureCubit extends Cubit<SelectiveDisclosureState> {
       index = selectiveDisclosure.disclosureFromJWT
           .indexWhere((entry) => entry == threeDotValue);
     } else if (claimsKey != null) {
-      index =
-          selectiveDisclosure.disclosureToContent.entries.toList().indexWhere(
-                (entry) => entry.value.toString().contains(claimsKey),
-              );
+      index = selectiveDisclosure.disclosureListToContent.entries
+          .toList()
+          .indexWhere(
+            (entry) => entry.value.toString().contains(claimsKey),
+          );
     }
 
     if (index == null || index == -1) {

diff --git a/lib/selective_disclosure/selective_disclosure.dart b/lib/selective_disclosure/selective_disclosure.dart
@@ -4,13 +4,27 @@ import 'package:altme/app/app.dart';
 import 'package:altme/dashboard/home/tab_bar/credentials/models/credential_model/credential_model.dart';
 import 'package:altme/selective_disclosure/selective_disclosure.dart';
 import 'package:json_path/json_path.dart';
+import 'package:jwt_decode/jwt_decode.dart';
 import 'package:oidc4vc/oidc4vc.dart';
 export 'model/model.dart';
 
 class SelectiveDisclosure {
   SelectiveDisclosure(this.credentialModel);
   final CredentialModel credentialModel;
 
+  Map<String, dynamic> get payload {
+    final encryptedValues = credentialModel.jwt
+        ?.split('~')
+        .where((element) => element.isNotEmpty)
+        .toList();
+
+    final encryptedPayload = encryptedValues!.first;
+    return decodePayload(
+      jwtDecode: JWTDecode(),
+      token: encryptedPayload,
+    );
+  }
+
   Map<String, dynamic> get claims {
     final credentialSupported = credentialModel.credentialSupported;
 
@@ -52,7 +66,7 @@ class SelectiveDisclosure {
 
   Map<String, dynamic> get extractedValuesFromJwt {
     final extractedValues = <String, dynamic>{};
-    for (final element in disclosureToContent.entries.toList()) {
+    for (final element in disclosureListToContent.entries.toList()) {
       try {
         final lisString = jsonDecode(element.value.toString());
         if (lisString is List) {
@@ -100,23 +114,10 @@ class SelectiveDisclosure {
     return [];
   }
 
-  Map<String, dynamic> get disclosureToContent {
+  Map<String, dynamic> get disclosureListToContent {
     final data = <String, dynamic>{};
-
-    for (var element in disclosureFromJWT) {
-      try {
-        while (element.length % 4 != 0) {
-          element += '=';
-        }
-
-        final decryptedData = utf8.decode(base64Decode(element));
-
-        if (decryptedData.isNotEmpty) {
-          data[element] = decryptedData;
-        }
-      } catch (e) {
-        //
-      }
+    for (final element in disclosureFromJWT) {
+      data[element] = disclosureToContent(element);
     }
 
     return data;
@@ -126,28 +127,42 @@ class SelectiveDisclosure {
     final data = <String, dynamic>{};
 
     for (final element in contents) {
-      try {
-        final sh256Hash = OIDC4VC().sh256HashOfContent(element);
-        final lisString = jsonDecode(element);
-        if (lisString is List) {
-          if (lisString.length == 3) {
-            /// '["Qg_O64zqAxe412a108iroA", "phone_number", "+81-80-1234-5678"]'
-            data[sh256Hash] = {lisString[1]: lisString[2]};
-          } else if (lisString.length == 2) {
-            /// '["Qg_O64zqAxe412a108iroA", "DE']
-            data[sh256Hash] = {lisString[0]: lisString[1]};
-          }
+      data.addAll(contentOfSh256Hash(element));
+    }
+    return data;
+  }
+
+  Map<String, dynamic> contentOfSh256Hash(
+    String element,
+  ) {
+    final data = <String, dynamic>{};
+    try {
+      final sh256Hash = OIDC4VC().sh256HashOfContent(element);
+      // print('element: $element');
+      final lisString = jsonDecode(element);
+      if (lisString is List) {
+        if (lisString.length == 3) {
+          /// '["Qg_O64zqAxe412a108iroA", "phone_number", "+81-80-1234-5678"]'
+          data[sh256Hash] = {
+            lisString[1]: lisString[2],
+          };
+        } else if (lisString.length == 2) {
+          /// '["Qg_O64zqAxe412a108iroA", "DE']
+          data[sh256Hash] = {
+            lisString[0]: lisString[1],
+          };
         }
-      } catch (e) {
-        //
       }
+      return data;
+    } catch (e) {
+      //
+      return data;
     }
-    return data;
   }
 
   List<String> get contents {
     final contents = <String>[];
-    for (final element in disclosureToContent.entries.toList()) {
+    for (final element in disclosureListToContent.entries.toList()) {
       contents.add(element.value.toString());
     }
     return contents;
@@ -260,4 +275,19 @@ class SelectiveDisclosure {
 
     return value;
   }
+
+  String disclosureToContent(String element) {
+    String encryptedData = element;
+    try {
+      while (encryptedData.length % 4 != 0) {
+        encryptedData += '=';
+      }
+
+      final decryptedData = utf8.decode(base64Decode(encryptedData));
+      return decryptedData;
+    } catch (e) {
+      return '';
+      //
+    }
+  }
 }