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# -*- coding: utf-8 -*-
#
# Copyright (C) 2012 Steffen Hoffmann <hoff.st@web.de>
# All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution.
#
# Author: Steffen Hoffmann <hoff.st@web.de>
import shutil
import tempfile
import unittest
from time import sleep
from trac.test import EnvironmentStub, MockRequest
from trac.util.datefmt import to_datetime, to_timestamp
from trac.web.session import Session
from ..guard import AccountGuard
from . import makeSuite
class AccountGuardTestCase(unittest.TestCase):
def setUp(self):
self.env = EnvironmentStub(default_data=True,
enable=['trac.*', 'acct_mgr.guard.*'])
self.env.path = tempfile.mkdtemp()
self.env.config.set('account-manager', 'login_attempt_max_count', 1)
self.user = 'user'
self.session = self._create_session(self.user)
self.guard = AccountGuard(self.env)
def tearDown(self):
self.env.shutdown()
shutil.rmtree(self.env.path)
# Helpers
def _create_session(self, user, authenticated=1, name='', email=''):
args = dict(username=user, name=name, email=email)
req = MockRequest(self.env,
authname=bool(authenticated) and user or 'anonymous',
args=args)
req.session = Session(self.env, req)
req.session.save()
return req.session
def _mock_failed_attempt(self, requests=1):
ipnr = '127.0.0.1'
ts = to_timestamp(to_datetime(None))
attempts = eval(self.session.get('failed_logins', '[]'))
count = int(self.session.get('failed_logins_count', 0))
lock_count = int(self.session.get('lock_count', 0))
max_ = self.env.config.getint('account-manager',
'login_attempt_max_count')
for r in range(requests):
attempts.append(dict(ipnr=ipnr, time=ts))
count += 1
# Assume, that every lock is enforced.
if not count < max_:
lock_count += 1
self.session['failed_logins'] = str(attempts)
self.session['failed_logins_count'] = count
self.session['lock_count'] = lock_count
self.session.save()
return ts
# Tests
def test_failed_count(self):
ipnr = '127.0.0.1'
# Won't track anonymous sessions and unknown accounts/users.
self.assertEqual(self.guard.failed_count(None, ipnr), 0)
# Regular account without failed attempts logged.
user = self.user
# Start without failed attempts logged, accumulating failed attempts.
self.assertEqual(self.guard.failed_count(user, ipnr), 1)
self.assertEqual(self.guard.failed_count(user, ipnr), 2)
# Read failed attempts.
self.assertEqual(self.guard.failed_count(user, ipnr, None), 2)
# Reset failed attempts, returning deleted attempts.
self.assertEqual(self.guard.failed_count(user, reset=True), 2)
self.assertEqual(self.guard.failed_count(user, reset=None), 0)
def test_functional(self):
ipnr = '127.0.0.1'
user = self.user
# Regular account without failed attempts logged.
self.assertEqual(self.guard.lock_count(user), 0)
self.assertEqual(self.guard.lock_time(user), 0)
self.assertEqual(self.guard.release_time(user), 0)
self.assertEqual(self.guard.user_locked(user), False)
# Log failed attempt - this time with the real method.
self.assertEqual(self.guard.failed_count(user, ipnr), 1)
# Mock acct_mgr.LoginModule.authenticate behavior.
if self.guard.user_locked(user):
self.guard.lock_count(user, 'up')
self.assertEqual(self.guard.lock_count(user), 1)
self.assertEqual(self.guard.lock_time(user), 0)
self.assertEqual(self.guard.release_time(user), 0)
self.assertEqual(self.guard.user_locked(user), True)
# Switch to time lock.
self.env.config.set('account-manager', 'user_lock_time', 2)
self.assertTrue(self.guard.release_time(user) > 0)
self.assertEqual(self.guard.user_locked(user), True)
sleep(2)
self.assertEqual(self.guard.user_locked(user), False)
self.assertEqual(self.guard.lock_time(user), 2)
self.assertEqual(self.guard.lock_time(user, True), 2)
self.env.config.set('account-manager', 'user_lock_time_progression',
3)
self.assertEqual(self.guard.lock_time(user, True), 6)
# Switch-back to permanent locking.
self.env.config.set('account-manager', 'user_lock_time', 0)
self.assertEqual(self.guard.user_locked(user), True)
def test_lock_count(self):
user = self.user
self.assertEqual(self.guard.lock_count(user), 0)
# Validate helper method too.
self._mock_failed_attempt()
# Increment per failed login.
self.assertEqual(self.guard.lock_count(user, 'set'), 2)
self.assertEqual(self.guard.lock_count(user), 2)
# Return updated value on reset as well.
self.assertEqual(self.guard.lock_count(user, 'reset'), 0)
def test_lock_time(self):
self.env.config.set('account-manager', 'user_lock_time', 30)
self.env.config.set('account-manager', 'user_lock_time_progression',
1)
# Won't track anonymous sessions and unknown accounts/users.
self.assertEqual(self.guard.lock_time(None), 0)
# Regular account without failed attempts logged.
user = self.user
self.assertEqual(self.guard.lock_time(user), 30)
self._mock_failed_attempt(5)
# Fixed lock time, no progression, with default configuration values.
self.assertEqual(self.guard.lock_time(user), 30)
# Preview calculation.
self.assertEqual(self.guard.lock_time(user, True), 30)
# Progression with base 3.
self.env.config.set('account-manager', 'user_lock_time_progression',
3)
self.assertEqual(self.guard.lock_time(user, True), 30 * 3 ** 5)
self.env.config.set('account-manager', 'user_lock_max_time', 1800)
self.assertEqual(self.guard.lock_time(user, True), 1800)
def test_release_time(self):
lock_time = 30
self.env.config.set('account-manager', 'user_lock_time', lock_time)
self.env.config.set('account-manager', 'user_lock_time_progression',
1)
# Won't track anonymous sessions and unknown accounts/users.
self.assertEqual(self.guard.release_time(None), None)
# Regular account without failed attempts logged.
user = self.user
self.assertEqual(self.guard.release_time(user), None)
# Account with failed attempts logged.
release_ts = self._mock_failed_attempt() + lock_time
self.assertEqual(self.guard.release_time(user), release_ts)
release_ts = self._mock_failed_attempt() + lock_time
self.assertEqual(self.guard.release_time(user), release_ts)
# Permanently locked account.
self.env.config.set('account-manager', 'user_lock_time', 0)
self.assertEqual(self.guard.release_time(user), 0)
# Result with locking disabled.
self.env.config.set('account-manager', 'login_attempt_max_count', 0)
self.env.config.set('account-manager', 'user_lock_time', 30)
self.assertEqual(self.guard.release_time(user), None)
def test_user_locked(self):
# Won't track anonymous sessions and unknown accounts/users.
for user in [None, 'anonymous']:
self.assertEqual(self.guard.user_locked(user), None)
# Regular account without failed attempts logged.
user = self.user
self.assertEqual(self.guard.user_locked(user), False)
# Permanently locked account.
self._mock_failed_attempt()
self.assertEqual(self.guard.user_locked(user), True)
# Result with locking disabled.
self.env.config.set('account-manager', 'login_attempt_max_count', 0)
self.assertEqual(self.guard.user_locked(user), None)
def test_suite():
suite = unittest.TestSuite()
suite.addTest(makeSuite(AccountGuardTestCase))
return suite
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')
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