#!/usr/bin/env python3.7

#  cleanup.py
#
#  Copyright (c) 2019-20, Erik C. Thauvin (erik@thauvin.net)
#  All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are met:
#
#    Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#
#    Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
#    Neither the name of this project nor the names of its contributors may be
#    used to endorse or promote products derived from this software without
#    specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  AREDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
#  INTERRUPTION) HOWEVERCAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USEOF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.

import os
import sys
import tempfile
import urllib.request

import untangle

from config import apikey

domain = os.environ['CERTBOT_DOMAIN']
tmpdir = os.path.join(tempfile.gettempdir(), f"CERTBOT_{domain}")

if "NAMESILO_API" in os.environ:
    apikey = os.environ['NAMESILO_API']

url = f"https://www.namesilo.com/api/dnsDeleteRecord\
?version=1&type=xml&key={apikey}&domain={domain}&rrid="


def getrequest(record_id):
    return urllib.request.Request(
        url + record_id,
        data=None,
        headers={
            'User-Agent': ('Mozilla/5.0 (X11; CrOS x86_64 11647.154.0) '
                           'AppleWebKit/537.36 (KHTML, like Gecko) '
                           'Chrome/73.0.3683.114 Safari/537.36')
        }
    )


idFile = os.path.join(tmpdir, "RECORD_ID")
if os.path.isfile(idFile):
    f = open(idFile, "r")
    for line in f:
        with urllib.request.urlopen(getrequest(line.rstrip())) as response:
            html = response.read()
        xml = untangle.parse(str(html, 'utf-8'))
        if xml.namesilo.reply.code.cdata != '300':
            print("{}: {} ({})".format(
                domain,
                xml.namesilo.reply.detail.cdata,
                xml.namesilo.reply.code.cdata), file=sys.stderr)
            if xml.namesilo.reply.code.cdata != '280':
                sys.exit(1)
    f.close()
    os.remove(idFile)