Get domain name

src/freedombone-app-gnusocial

 }
 
 function gnusocial_set_background_image {
+    GNUSOCIAL_DOMAIN_NAME=$(get_completion_param "gnusocial domain")
+
     data=$(tempfile 2>/dev/null)
     trap "rm -f $data" 0 1 2 5 15
     dialog --title $"GNU Social" \

src/freedombone-app-postactiv

 }
 
 function postactiv_set_background_image {
+    POSTACTIV_DOMAIN_NAME=$(get_completion_param "postactiv domain")
+
     data=$(tempfile 2>/dev/null)
     trap "rm -f $data" 0 1 2 5 15
     dialog --title $"PostActiv" \
             if [ ${#temp_background} -gt 0 ]; then
                 POSTACTIV_BACKGROUND_IMAGE_URL="$temp_background"
                 write_config_param "POSTACTIV_BACKGROUND_IMAGE_URL" "$POSTACTIV_BACKGROUND_IMAGE_URL"
-                pleroma_set_background_image_from_url "$POSTACTIV_DOMAIN_NAME" "$POSTACTIV_BACKGROUND_IMAGE_URL" "$POSTACTIV_TITLE"
-                dialog --title $"Set PostActiv background" \
-                       --msgbox $"The background image has been set" 6 60
+
+                if [[ $(pleroma_set_background_image_from_url "$POSTACTIV_DOMAIN_NAME" "$POSTACTIV_BACKGROUND_IMAGE_URL" "$POSTACTIV_TITLE" | tail -n 1) == "0" ]]; then
+                    dialog --title $"Set PostActiv background" \
+                           --msgbox $"The background image has been set" 6 60
+                fi
             fi
            ;;
     esac

src/freedombone-utils-gnusocialtools

     url="$2"
     title="$3"
 
+    if [ ${#domain_name} -eq 0 ]; then
+        echo "1"
+        return
+    fi
+
     ext=
     if [ ${#url} -gt 0 ]; then
         if [[ "$url" == *".jpeg" || "$url" == *".jpg" ]]; then