138 lines
5.2 KiB
Python
138 lines
5.2 KiB
Python
from mock import patch
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import time
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import unittest
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import uuid
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from unittest import TestCase
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from cryptography.fernet import Fernet
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from werkzeug.exceptions import BadRequest
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from mockredis import mock_strict_redis_client
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# noinspection PyPep8Naming
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import snappass.main as snappass
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__author__ = 'davedash'
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class SnapPassTestCase(TestCase):
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@patch('redis.client.StrictRedis', mock_strict_redis_client)
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def test_get_password(self):
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password = "melatonin overdose 1337!$"
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key = snappass.set_password(password, 30)
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self.assertEqual(password, snappass.get_password(key))
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# Assert that we can't look this up a second time.
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self.assertIsNone(snappass.get_password(key))
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def test_password_is_not_stored_in_plaintext(self):
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password = "trustno1"
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token = snappass.set_password(password, 30)
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redis_key = token.split(snappass.TOKEN_SEPARATOR)[0]
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stored_password_text = snappass.redis_client.get(redis_key).decode('utf-8')
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self.assertNotIn(password, stored_password_text)
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def test_returned_token_format(self):
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password = "trustsome1"
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token = snappass.set_password(password, 30)
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token_fragments = token.split(snappass.TOKEN_SEPARATOR)
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self.assertEqual(2, len(token_fragments))
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redis_key, encryption_key = token_fragments
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self.assertEqual(32 + len(snappass.REDIS_PREFIX), len(redis_key))
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try:
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Fernet(encryption_key.encode('utf-8'))
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except ValueError:
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self.fail('the encryption key is not valid')
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def test_encryption_key_is_returned(self):
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password = "trustany1"
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token = snappass.set_password(password, 30)
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token_fragments = token.split(snappass.TOKEN_SEPARATOR)
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redis_key, encryption_key = token_fragments
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stored_password = snappass.redis_client.get(redis_key)
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fernet = Fernet(encryption_key.encode('utf-8'))
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decrypted_password = fernet.decrypt(stored_password).decode('utf-8')
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self.assertEqual(password, decrypted_password)
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def test_unencrypted_passwords_still_work(self):
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unencrypted_password = "trustevery1"
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storage_key = uuid.uuid4().hex
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snappass.redis_client.setex(storage_key, 30, unencrypted_password)
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retrieved_password = snappass.get_password(storage_key)
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self.assertEqual(unencrypted_password, retrieved_password)
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def test_password_is_decoded(self):
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password = "correct horse battery staple"
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key = snappass.set_password(password, 30)
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self.assertFalse(isinstance(snappass.get_password(key), bytes))
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def test_clean_input(self):
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# Test Bad Data
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with snappass.app.test_request_context(
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"/", data={'password': 'foo', 'ttl': 'bar'}, method='POST'):
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self.assertRaises(BadRequest, snappass.clean_input)
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# No Password
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with snappass.app.test_request_context(
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"/", method='POST'):
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self.assertRaises(BadRequest, snappass.clean_input)
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# No TTL
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with snappass.app.test_request_context(
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"/", data={'password': 'foo'}, method='POST'):
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self.assertRaises(BadRequest, snappass.clean_input)
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with snappass.app.test_request_context(
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"/", data={'password': 'foo', 'ttl': 'hour'}, method='POST'):
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self.assertEqual((3600, 'foo'), snappass.clean_input())
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def test_password_before_expiration(self):
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password = 'fidelio'
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key = snappass.set_password(password, 1)
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self.assertEqual(password, snappass.get_password(key))
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def test_password_after_expiration(self):
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password = 'open sesame'
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key = snappass.set_password(password, 1)
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time.sleep(1.5)
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# Expire functionality must be explicitly invoked using do_expire(time).
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# mockredis does not support automatic expiration at this time
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snappass.redis_client.do_expire()
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self.assertIsNone(snappass.get_password(key))
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class SnapPassRoutesTestCase(TestCase):
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# noinspection PyPep8Naming
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def setUp(self):
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snappass.app.config['TESTING'] = True
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self.app = snappass.app.test_client()
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def test_show_password(self):
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password = "I like novelty kitten statues!"
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key = snappass.set_password(password, 30)
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rv = self.app.get('/{0}'.format(key))
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self.assertIn(password, rv.get_data(as_text=True))
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def test_bots_denial(self):
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"""
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Main known bots User-Agent should be denied access
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"""
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password = "Bots can't access this"
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key = snappass.set_password(password, 30)
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a_few_sneaky_bots = [
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"Slackbot-LinkExpanding 1.0 (+https://api.slack.com/robots)",
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"facebookexternalhit/1.1",
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"Facebot/1.0",
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"Twitterbot/1.0",
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"_WhatsApp/2.12.81 (Windows NT 6.1; U; es-ES) Presto/2.9.181 Version/12.00",
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"WhatsApp/2.16.6/i",
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"SkypeUriPreview Preview/0.5",
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"Iframely/0.8.5 (+http://iframely.com/;)",
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]
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for ua in a_few_sneaky_bots:
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rv = self.app.get('/{0}'.format(key), headers={'User-Agent': ua})
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self.assertEqual(404, rv.status_code)
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if __name__ == '__main__':
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unittest.main()
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