TF-3023 SMime signature validation

core/lib/presentation/resources/image_paths.dart

@@ -216,6 +216,8 @@ class ImagePaths {
   String get icRemoveRule => _getImagePath('ic_remove_rule.svg');
   String get icCheckboxUnselected => _getImagePath('ic_checkbox_unselected.svg');
   String get icCheckboxSelected => _getImagePath('ic_checkbox_selected.svg');
+  String get icGoodSignature => _getImagePath('ic_good_signature.svg');
+  String get icBadSignature => _getImagePath('ic_bad_signature.svg');
 
   String _getImagePath(String imageName) {
     return AssetsPaths.images + imageName;

lib/features/email/presentation/extensions/presentation_email_extension.dart

@@ -0,0 +1,19 @@
+
+import 'package:model/email/presentation_email.dart';
+import 'package:model/extensions/list_email_header_extension.dart';
+import 'package:tmail_ui_user/features/email/presentation/model/smime_signature_status.dart';
+import 'package:tmail_ui_user/features/email/presentation/utils/smime_signature_constant.dart';
+
+extension PresentationEmailExtension on PresentationEmail {
+
+  SMimeSignatureStatus get sMimeStatus {
+    final status = emailHeader?.toSet().sMimeStatus;
+    if (status == SMimeSignatureConstant.GOOD_SIGNATURE) {
+      return SMimeSignatureStatus.goodSignature;
+    } else  if (status == SMimeSignatureConstant.BAD_SIGNATURE) {
+      return SMimeSignatureStatus.badSignature;
+    } else {
+      return SMimeSignatureStatus.notSigned;
+    }
+  }
+}

lib/features/email/presentation/model/smime_signature_status.dart

@@ -0,0 +1,32 @@
+
+import 'package:core/presentation/resources/image_paths.dart';
+import 'package:flutter/material.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+
+enum SMimeSignatureStatus {
+  goodSignature,
+  badSignature,
+  notSigned;
+
+  String getIcon(ImagePaths imagePaths) {
+    switch(this) {
+      case SMimeSignatureStatus.goodSignature:
+        return imagePaths.icGoodSignature;
+      case SMimeSignatureStatus.badSignature:
+        return imagePaths.icBadSignature;
+      case SMimeSignatureStatus.notSigned:
+        return '';
+    }
+  }
+
+  String getTooltipMessage(BuildContext context) {
+    switch(this) {
+      case SMimeSignatureStatus.goodSignature:
+        return AppLocalizations.of(context).sMimeGoodSignatureMessage;
+      case SMimeSignatureStatus.badSignature:
+        return AppLocalizations.of(context).sMimeBadSignatureMessage;
+      case SMimeSignatureStatus.notSigned:
+        return '';
+    }
+  }
+}

lib/features/email/presentation/utils/smime_signature_constant.dart

@@ -0,0 +1,5 @@
+
+class SMimeSignatureConstant {
+  static const String GOOD_SIGNATURE = 'Good signature';
+  static const String BAD_SIGNATURE = 'Bad signature';
+}

lib/features/email/presentation/widgets/information_sender_and_receiver_builder.dart

@@ -3,11 +3,14 @@ import 'package:core/presentation/resources/image_paths.dart';
 import 'package:core/presentation/utils/responsive_utils.dart';
 import 'package:core/presentation/views/button/tmail_button_widget.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
 import 'package:model/email/email_action_type.dart';
 import 'package:model/email/presentation_email.dart';
 import 'package:model/extensions/presentation_email_extension.dart';
 import 'package:tmail_ui_user/features/base/widget/email_avatar_builder.dart';
+import 'package:tmail_ui_user/features/email/presentation/extensions/presentation_email_extension.dart';
 import 'package:tmail_ui_user/features/email/presentation/model/email_unsubscribe.dart';
+import 'package:tmail_ui_user/features/email/presentation/model/smime_signature_status.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/email_receiver_widget.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/email_sender_builder.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/email_view_app_bar_widget.dart';
@@ -29,7 +32,7 @@ class InformationSenderAndReceiverBuilder extends StatelessWidget {
     required this.emailSelected,
     required this.responsiveUtils,
     required this.imagePaths,
-    required this.emailUnsubscribe,
+    this.emailUnsubscribe,
     this.maxBodyHeight,
     this.openEmailAddressDetailAction,
     this.onEmailActionClick,
@@ -61,6 +64,18 @@ class InformationSenderAndReceiverBuilder extends StatelessWidget {
                             openEmailAddressDetailAction: openEmailAddressDetailAction,
                           )
                       )),
+                      if (emailSelected.sMimeStatus != SMimeSignatureStatus.notSigned)
+                        Tooltip(
+                          key: const Key('smime_signature_status_icon'),
+                          message: emailSelected.sMimeStatus.getTooltipMessage(context),
+                          child: MouseRegion(
+                            cursor: SystemMouseCursors.click,
+                            child: SvgPicture.asset(
+                              emailSelected.sMimeStatus.getIcon(imagePaths),
+                              fit: BoxFit.fill,
+                            ),
+                          ),
+                        ),
                       if (!emailSelected.isSubscribed && emailUnsubscribe != null && !responsiveUtils.isPortraitMobile(context))
                         TMailButtonWidget.fromText(
                           text: AppLocalizations.of(context).unsubscribe,

lib/l10n/intl_messages.arb

@@ -1,5 +1,5 @@
 {
-  "@@last_modified": "2024-07-17T01:36:03.095458",
+  "@@last_modified": "2024-08-05T16:49:32.139855",
   "initializing_data": "Initializing data...",
   "@initializing_data": {
     "type": "text",
@@ -3963,5 +3963,17 @@
     "type": "text",
     "placeholders_order": [],
     "placeholders": {}
+  },
+  "sMimeGoodSignatureMessage": "The authenticity of this message had been verified with SMime signature.",
+  "@sMimeGoodSignatureMessage": {
+    "type": "text",
+    "placeholders_order": [],
+    "placeholders": {}
+  },
+  "sMimeBadSignatureMessage": "This message failed SMime signature verification.",
+  "@sMimeBadSignatureMessage": {
+    "type": "text",
+    "placeholders_order": [],
+    "placeholders": {}
   }
 }

lib/main/localizations/app_localizations.dart

@@ -4148,4 +4148,18 @@ class AppLocalizations {
       name: 'dialogMessageSessionHasExpired',
     );
   }
+
+  String get sMimeGoodSignatureMessage {
+    return Intl.message(
+      'The authenticity of this message had been verified with SMime signature.',
+      name: 'sMimeGoodSignatureMessage',
+    );
+  }
+
+  String get sMimeBadSignatureMessage {
+    return Intl.message(
+      'This message failed SMime signature verification.',
+      name: 'sMimeBadSignatureMessage',
+    );
+  }
 }

model/lib/email/email_property.dart

@@ -22,4 +22,6 @@ class EmailProperty {
   static const String headerMdnKey = 'Disposition-Notification-To';
   static const String messageId = 'messageId';
   static const String references = 'references';
+  static const String headerUnsubscribeKey = 'List-Unsubscribe';
+  static const String headerSMimeStatusKey = 'X-SMIME-Status';
 }

model/lib/extensions/email_extension.dart

@@ -1,9 +1,7 @@
 
 import 'dart:convert';
 
-import 'package:collection/collection.dart';
 import 'package:core/domain/extensions/datetime_extension.dart';
-import 'package:core/utils/app_logger.dart';
 import 'package:jmap_dart_client/jmap/core/properties/properties.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email_body_part.dart';
@@ -14,8 +12,6 @@ import 'package:model/model.dart';
 
 extension EmailExtension on Email {
 
-  static const String unsubscribeHeaderName = 'List-Unsubscribe';
-
   String asString() => jsonEncode(toJson());
 
   bool get hasRead => keywords?.containsKey(KeyWordIdentifier.emailSeen) == true;
@@ -30,11 +26,7 @@ extension EmailExtension on Email {
 
   bool get withAttachments => hasAttachment == true;
 
-  String get listUnsubscribe {
-    final listUnsubscribe = headers?.firstWhereOrNull((header) => header.name == unsubscribeHeaderName);
-    log('EmailExtension::listUnsubscribe: $listUnsubscribe');
-    return listUnsubscribe?.value ?? '';
-  }
+  String get listUnsubscribe => headers.listUnsubscribe;
 
   bool get hasListUnsubscribe => listUnsubscribe.isNotEmpty;
 

model/lib/extensions/list_email_header_extension.dart

@@ -1,4 +1,5 @@
 
+import 'package:collection/collection.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email_header.dart';
 import 'package:model/email/email_property.dart';
 
@@ -11,4 +12,14 @@ extension ListEmailHeaderExtension on Set<EmailHeader>? {
       return false;
     }
   }
+
+  String get listUnsubscribe {
+    final listUnsubscribe = this?.firstWhereOrNull((header) => header.name == EmailProperty.headerUnsubscribeKey);
+    return listUnsubscribe?.value ?? '';
+  }
+
+  String get sMimeStatus {
+    final sMimeStatus = this?.firstWhereOrNull((header) => header.name == EmailProperty.headerSMimeStatusKey);
+    return sMimeStatus?.value ?? '';
+  }
 }