defgeneSign():if(control_key==1):returnrender_template("index.html")else:return"You have not access to this page!"defcheck_ssrf(url):hostname=urlparse(url).hostnametry:ifnot re.match('https?://(?:[-\w.]|(?:%[\da-fA-F]{2}))+',url):ifnot re.match('https?://@(?:[-\w...