Added option to check VMC certificate

app/src/main/java/eu/faircode/email/ContactInfo.java

@@ -270,6 +270,7 @@ public class ContactInfo {
         boolean avatars = prefs.getBoolean("avatars", true);
         boolean gravatars = prefs.getBoolean("gravatars", false);
         boolean bimi = prefs.getBoolean("bimi", false);
+        boolean bimi_vmc = prefs.getBoolean("bimi_vmc", false);
         boolean favicons = prefs.getBoolean("favicons", false);
         boolean generated = prefs.getBoolean("generated_icons", true);
         boolean identicons = prefs.getBoolean("identicons", false);
@@ -415,7 +416,7 @@ public class ContactInfo {
                                     Log.i("BIMI got TXT=" + bimi[0].name);
 
                                     Bitmap bitmap = null;
-                                    boolean verified = false;
+                                    boolean verified = !bimi_vmc;
                                     String[] params = bimi[0].name.split(";");
                                     for (String param : params) {
                                         String[] kv = param.split("=");
@@ -428,6 +429,9 @@ public class ContactInfo {
                                                 break;
 
                                             case "l": { // Image link
+                                                if (!bimi_vmc)
+                                                    continue;
+
                                                 String svg = kv[1].trim();
                                                 if (TextUtils.isEmpty(svg))
                                                     continue;

app/src/main/java/eu/faircode/email/FragmentOptionsDisplay.java

@@ -88,6 +88,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
     private TextView tvGravatarsHint;
     private SwitchCompat swGravatars;
     private SwitchCompat swBimi;
+    private SwitchCompat swBimiVmc;
     private ImageButton ibBimi;
     private SwitchCompat swFavicons;
     private TextView tvFaviconsHint;
@@ -155,7 +156,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             "date", "date_bold", "navbar_colorize", "portrait2", "landscape", "landscape3",
             "threading", "threading_unread", "indentation", "seekbar", "actionbar", "actionbar_color",
             "highlight_unread", "highlight_color", "color_stripe",
-            "avatars", "gravatars", "bimi", "favicons", "generated_icons", "identicons", "circular", "saturation", "brightness", "threshold",
+            "avatars", "gravatars", "bimi", "bimi_vmc", "favicons", "generated_icons", "identicons", "circular", "saturation", "brightness", "threshold",
             "email_format", "prefer_contact", "only_contact", "distinguish_contacts", "show_recipients",
             "subject_top", "font_size_sender", "font_size_subject", "subject_italic", "highlight_subject", "subject_ellipsize",
             "keywords_header", "labels_header", "flags", "flags_background",
@@ -204,6 +205,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
         swGravatars = view.findViewById(R.id.swGravatars);
         tvGravatarsHint = view.findViewById(R.id.tvGravatarsHint);
         swBimi = view.findViewById(R.id.swBimi);
+        swBimiVmc = view.findViewById(R.id.swBimiVmc);
         ibBimi = view.findViewById(R.id.ibBimi);
         swFavicons = view.findViewById(R.id.swFavicons);
         tvFaviconsHint = view.findViewById(R.id.tvFaviconsHint);
@@ -488,6 +490,15 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
                 prefs.edit().putBoolean("bimi", checked).apply();
+                swBimiVmc.setEnabled(checked);
+                ContactInfo.clearCache(getContext());
+            }
+        });
+
+        swBimiVmc.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("bimi_vmc", checked).apply();
                 ContactInfo.clearCache(getContext());
             }
         });
@@ -1018,6 +1029,8 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
         swAvatars.setChecked(prefs.getBoolean("avatars", true));
         swGravatars.setChecked(prefs.getBoolean("gravatars", false));
         swBimi.setChecked(prefs.getBoolean("bimi", false));
+        swBimiVmc.setChecked(prefs.getBoolean("bimi_vmc", false));
+        swBimiVmc.setEnabled(swBimi.isChecked());
         swFavicons.setChecked(prefs.getBoolean("favicons", false));
         swGeneratedIcons.setChecked(prefs.getBoolean("generated_icons", true));
         swIdenticons.setChecked(prefs.getBoolean("identicons", false));

app/src/main/res/layout/fragment_options_display.xml

@@ -521,14 +521,28 @@
                     app:layout_constraintTop_toBottomOf="@id/tvGravatarsHint"
                     app:switchPadding="12dp" />
 
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swBimiVmc"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_advanced_bimi_vmc"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swBimi"
+                    app:switchPadding="12dp" />
+
                 <ImageButton
                     android:id="@+id/ibBimi"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginTop="12dp"
                     android:contentDescription="@string/title_info"
                     android:tooltipText="@string/title_info"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@+id/swBimi"
+                    app:layout_constraintTop_toBottomOf="@+id/swBimiVmc"
                     app:srcCompat="@drawable/twotone_info_24" />
 
                 <androidx.appcompat.widget.SwitchCompat

app/src/main/res/values/strings.xml

@@ -397,6 +397,7 @@
     <string name="title_advanced_avatars">Show contact photos</string>
     <string name="title_advanced_gravatars">Show Gravatars</string>
     <string name="title_advanced_bimi" translatable="false">Show Brand Indicators for Message Identification (BIMI)</string>
+    <string name="title_advanced_bimi_vmc">Check security certificate</string>
     <string name="title_advanced_favicons">Show favicons</string>
     <string name="title_advanced_generated_icons">Show generated icons</string>
     <string name="title_advanced_identicons">Show identicons</string>