'/s/http://..., show a given URL with the toolbar. if it\'s
submitted, redirect to /tb/$id36'

@validate(urloid=nop('urloid'))
def GET_s(self, urloid):

    force_html()
    path = demangle_url(request.fullpath)
    if (not path):
        self.abort404()
    if is_shamed_domain(path)[0]:
        self.abort404()
    listing = hot_links_by_url_listing(path, sr=c.site, num=1)
    link = (listing.things[0] if listing.things else None)
    if link:
        return self.redirect(add_sr(('/tb/' + link._id36)))
    else:
        qs = utils.query_string({'url': path})
        return self.redirect(add_sr(('/submit' + qs)))
