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# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""Tests for the RDAP protocol module."""
import email
import unittest
import urllib.error
import urllib.request
from abusectl import rdap
class RedirectPolicy(unittest.TestCase):
"""A redirect is remote data directing our next request.
urllib.request.Request is used rather than a hand-rolled fake, because
HTTPRedirectHandler reads attributes (origin_req_host, unverifiable,
timeout) that a fake would have to reproduce exactly to prove anything.
"""
def _request(self):
return urllib.request.Request("https://rdap.example.invalid/ip/192.0.2.1")
def test_an_https_to_http_downgrade_is_refused(self):
handler = rdap._NoDowngradeRedirectHandler()
with self.assertRaises(urllib.error.HTTPError):
handler.redirect_request(
self._request(), None, 302, "Found",
email.message_from_string(""),
"http://rdap.example.invalid/ip/192.0.2.1",
)
def test_an_https_to_https_redirect_is_allowed(self):
handler = rdap._NoDowngradeRedirectHandler()
result = handler.redirect_request(
self._request(), None, 302, "Found",
email.message_from_string(""),
"https://other.example.invalid/ip/192.0.2.1",
)
self.assertIsNotNone(result)
if __name__ == "__main__":
unittest.main()
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