if r.Host != "" {
		// Hostname is provided, so we can reasonably construct a URL.
		rawurl := r.Host + uriStr
		if r.TLS == nil {
			rawurl = "http://" + rawurl
		} else {
			rawurl = "https://" + rawurl
		}
		url, err := url.Parse(rawurl)
		if err != nil {
			return nil, errors.New("cgi: failed to parse host and REQUEST_URI into a URL: " + rawurl)
		}
		r.URL = url
	}

		s += ":" + escape(u.password, encodeUserPassword)
	}
	return s
}

// Maybe rawURL is of the form scheme:path.
// (Scheme must be [a-zA-Z][a-zA-Z0-9+.-]*)
// If so, return scheme, path; else return "", rawURL.
func getScheme(rawURL string) (scheme, path string, err error) {
	for i := 0; i < len(rawURL); i++ {
		c := rawURL[i]
		switch {
		case 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z':
		// do nothing

	// and the path will end up in req.URL.Path, where it needs to be in order for
	// RPC to work.
	justAuthority := req.Method == "CONNECT" && !strings.HasPrefix(rawurl, "/")
	if justAuthority {
		rawurl = "http://" + rawurl
	}

	if req.URL, err = url.ParseRequestURI(rawurl); err != nil {
		return nil, err
	}

	if justAuthority {
		// Strip the bogus "http://" back off.
		req.URL.Scheme = ""
	}

let rawName;let rawUrl;if(prefix==='Script:'){rawName='';rawUrl=body;}else{const spacePos=body.lastIndexOf(' ');rawName=spacePos!==-1?body.substr(0,spacePos):body;rawUrl=spacePos!==-1?body.substr(spacePos+1):'';}