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#!/usr/bin/env python3
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:

# Copyright 2014-2021 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# qutebrowser is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with qutebrowser.  If not, see <https://www.gnu.org/licenses/>.

"""Check by which hostblock list a host was blocked."""

import sys
import io
import os
import os.path
import urllib.request

sys.path.insert(0, os.path.join(os.path.dirname(__file__), os.pardir))
from qutebrowser.components import hostblock
from qutebrowser.config import configdata


def main():
    """Check by which hostblock list a host was blocked."""
    if len(sys.argv) != 2:
        print("Usage: {} <host>".format(sys.argv[0]), file=sys.stderr)
        sys.exit(1)

    configdata.init()

    for url in configdata.DATA['content.blocking.hosts.lists'].default:
        print("checking {}...".format(url))
        raw_file = urllib.request.urlopen(url)
        byte_io = io.BytesIO(raw_file.read())
        f = hostblock.get_fileobj(byte_io)
        for line in f:
            line = line.decode('utf-8')
            if sys.argv[1] in line:
                print("FOUND {} in {}:".format(sys.argv[1], url))
                print("    " + line.rstrip())


if __name__ == '__main__':
    main()