[ORANGE] oidc4vci refactoring

TalaoDAO · Jan 17, 2025 · b9dfc68 · b9dfc68
1 parent 9d443b0
commit b9dfc68
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Showing 12 changed files with 329 additions and 480 deletions.
diff --git a/lib/app/shared/helper_functions/helper_functions.dart b/lib/app/shared/helper_functions/helper_functions.dart
@@ -685,168 +685,7 @@ bool isSIOPV2OROIDC4VPUrl(Uri uri) {
   return isOpenIdUrl || isAuthorizeEndPoint || isSiopv2Url;
 }
 
-/// OIDC4VCType?, OpenIdConfiguration?, OpenIdConfiguration?,
-/// credentialOfferJson, issuer, pre-authorizedCode
-Future<Oidc4vcParameters> getIssuanceData({
-  required String url,
-  required DioClient client,
-  required OIDC4VC oidc4vc,
-  required OIDC4VCIDraftType oidc4vciDraftType,
-  required bool useOAuthAuthorizationServerLink,
-}) async {
-  final uri = Uri.parse(url);
-
-  final keys = <String>[];
-  uri.queryParameters.forEach((key, value) => keys.add(key));
-
-  late Map<String, dynamic> credentialOfferJson;
-  String? issuer;
-  String? preAuthorizedCode;
-  bool userPinRequired = false;
-  TxCode? txCode;
-
-  if (keys.contains('credential_offer') ||
-      keys.contains('credential_offer_uri')) {
-    ///  issuance case 2
-    credentialOfferJson = await getCredentialOffer(
-      scannedResponse: uri.toString(),
-      dioClient: client,
-    );
-
-    final grants = credentialOfferJson['grants'];
-
-    if (grants != null && grants is Map) {
-      final dynamic preAuthorizedCodeGrant =
-          grants['urn:ietf:params:oauth:grant-type:pre-authorized_code'];
-      if (preAuthorizedCodeGrant != null && preAuthorizedCodeGrant is Map) {
-        if (preAuthorizedCodeGrant.containsKey('pre-authorized_code')) {
-          preAuthorizedCode =
-              preAuthorizedCodeGrant['pre-authorized_code'] as String;
-        }
-        if (preAuthorizedCodeGrant.containsKey('user_pin_required')) {
-          userPinRequired = preAuthorizedCodeGrant['user_pin_required'] as bool;
-        } else if (preAuthorizedCodeGrant.containsKey('tx_code')) {
-          /// draft 13
-          final txCodeMap = preAuthorizedCodeGrant['tx_code'];
-
-          if (txCodeMap is Map<String, dynamic>) {
-            txCode = TxCode.fromJson(txCodeMap);
-            userPinRequired = true;
-          }
-        }
-      }
-
-      issuer = credentialOfferJson['credential_issuer'].toString();
-    }
-  } else {
-    throw ResponseMessage(
-      data: {
-        'error': 'invalid_request',
-        'error_description': 'The credential offer is missing.',
-      },
-    );
-  }
-
-  if (keys.contains('issuer')) {
-    /// issuance case 1
-    issuer = uri.queryParameters['issuer'].toString();
-
-    /// preAuthorizedCode can be null
-    preAuthorizedCode = uri.queryParameters['pre-authorized_code'];
-  }
-
-  if (issuer == null) {
-    return Oidc4vcParameters(
-      oidc4vciDraftType: oidc4vciDraftType,
-      useOAuthAuthorizationServerLink: useOAuthAuthorizationServerLink,
-      initialUri: uri,
-    );
-  }
 
-  final issuerOpenIdConfiguration = await oidc4vc.getIssuerMetaData(
-    baseUrl: issuer,
-    dio: client.dio,
-  );
-
-  if (preAuthorizedCode == null) {
-    final grantTypesSupported = issuerOpenIdConfiguration.grantTypesSupported;
-    if (grantTypesSupported != null && grantTypesSupported.isNotEmpty) {
-      if (!grantTypesSupported.contains('authorization_code')) {
-        throw ResponseMessage(
-          data: {
-            'error': 'invalid_request',
-            'error_description': 'No grant specified.',
-          },
-        );
-      }
-    }
-  }
-
-  final Oidc4vcParameters oidc4vcParametersfromIssuer = Oidc4vcParameters(
-    oidc4vciDraftType: oidc4vciDraftType,
-    useOAuthAuthorizationServerLink: useOAuthAuthorizationServerLink,
-    initialUri: uri,
-    classIssuerOpenIdConfiguration: issuerOpenIdConfiguration,
-    classCredentialOffer: credentialOfferJson,
-    preAuthorizedCode: preAuthorizedCode,
-    classIssuer: issuer,
-    userPinRequired: userPinRequired,
-    txCode: txCode,
-  );
-  final Oidc4vcParameters oidc4vcParameters =
-      await oidc4vc.authorizationParameters(
-    oidc4vcParameters: oidc4vcParametersfromIssuer,
-    dio: Dio(),
-  );
-  final credentialsSupported = issuerOpenIdConfiguration.credentialsSupported;
-  final credentialConfigurationsSupported =
-      issuerOpenIdConfiguration.credentialConfigurationsSupported;
-
-  if (credentialsSupported == null &&
-      credentialConfigurationsSupported == null) {
-    throw ResponseMessage(
-      data: {
-        'error': 'invalid_request',
-        'error_description': 'The credential supported is missing.',
-      },
-    );
-  }
-
-  CredentialsSupported? credSupported;
-
-  if (credentialsSupported != null) {
-    credSupported = credentialsSupported[0];
-  }
-  for (final oidc4vcType in OIDC4VCType.values) {
-    if (oidc4vcType.isEnabled && url.startsWith(oidc4vcType.offerPrefix)) {
-      if (oidc4vcType == OIDC4VCType.DEFAULT ||
-          oidc4vcType == OIDC4VCType.EBSI) {
-        if (credSupported?.trustFramework != null &&
-            credSupported == credSupported?.trustFramework) {
-          return oidc4vcParameters.copyWith(
-            oidc4vcType: OIDC4VCType.DEFAULT,
-          );
-        }
-
-        if (credSupported?.trustFramework?.name != null &&
-            credSupported?.trustFramework?.name == 'ebsi') {
-          return oidc4vcParameters.copyWith(
-            oidc4vcType: OIDC4VCType.EBSI,
-          );
-        } else {
-          return oidc4vcParameters.copyWith(
-            oidc4vcType: OIDC4VCType.DEFAULT,
-          );
-        }
-      }
-      return oidc4vcParameters.copyWith(
-        oidc4vcType: oidc4vcType,
-      );
-    }
-  }
-
-  return oidc4vcParameters;
-}
 
 Future<void> handleErrorForOID4VCI({
   required Oidc4vcParameters oidc4vcParameters,