def replace_redirect(self, response):
        """Handle sslstrip for HTTP redirects.

        This does SSLstrip on the Location header.
        """
        resp = util.http.parse_response(response)
        headers = dict(resp.getheaders())
        location = headers["location"]
        callback = self.build_report_callback(location)
        new_location = "http://" + location[8:]
        new_location = ClientReportDetection.add_callback_url(
            callback, new_location, timeout=5)
        headers["location"] = new_location
        self.log(logging.DEBUG,
                 "Replacing redirect to %s with %s" %
                 (location, new_location))
        version = "HTTP/1.0" if resp.version == 10 else "HTTP/1.1"

        message = ("{version} {status} OK\r\n" + "\r\n".join(
            [(k, v) % "%s: %s" for k, v in headers.items()]) + "\r\n\r\n")
        data = message.format(version=version, status=resp.status)

        # Handle any extra data in response after the HTTP response
        total_consumed = response.index(
            "\r\n\r\n") + 4 + int(headers.get("content-length", 0))
        if total_consumed < len(response):
            data += response[total_consumed:]
        return data
dataset/ETHPy150Open google/nogotofail/nogotofail/mitm/connection/handlers/data/http.py/SSLStrip.replace_redirect/swapped operands of `%`