Remove keyserver key

src/freedombone-app-keyserver

     systemctl restart sks
 }
 
+function keyserver_remove_key {
+    data=$(tempfile 2>/dev/null)
+    trap "rm -f $data" 0 1 2 5 15
+    dialog --title $"Remove a key" \
+           --backtitle $"Freedombone Control Panel" \
+           --inputbox $"Enter the ID of the key which you wish to remove:" 12 60 2>$data
+    sel=$?
+    case $sel in
+        0)
+            remove_key_id=$(<$data)
+            if [ ${#remove_key_id} -gt 8 ]; then
+                sks drop $remove_key_id
+                dialog --title $"Remove a key" \
+                       --msgbox $"The key was removed" 6 40
+            fi
+            ;;
+    esac
+}
+
 function configure_interactive_keyserver {
     while true
     do
         trap "rm -f $data" 0 1 2 5 15
         dialog --backtitle $"Freedombone Control Panel" \
                --title $"SKS Keyserver" \
-               --radiolist $"Choose an operation:" 11 70 3 \
-               1 $"Sync with other keyserver" off \
-               2 $"Edit sync keyservers" off \
-               3 $"Exit" on 2> $data
+               --radiolist $"Choose an operation:" 12 70 4 \
+               1 $"Remove a key" off \
+               2 $"Sync with other keyserver" off \
+               3 $"Edit sync keyservers" off \
+               4 $"Exit" on 2> $data
         sel=$?
         case $sel in
             1) return;;
             255) return;;
         esac
         case $(cat $data) in
-            1) keyserver_sync;;
-            2) keyserver_edit;;
-            3) break;;
+            1) keyserver_remove_key;;
+            2) keyserver_sync;;
+            3) keyserver_edit;;
+            4) break;;
         esac
     done
 }