if(!g_str_has_prefix(uri, "http://") \
&& !g_str_has_prefix(uri, "https://") \
&& !g_str_has_prefix(uri, "about:") \
+ && !g_str_has_prefix(uri, "file://") \
+ && !g_str_has_prefix(uri, "data:") \
+ && !g_str_has_prefix(uri, "blob:") \
&& strlen(uri) > 0) {
handleplumb(c, w, uri);
}