snappass/tests.py
Samuel Dion-Girardeau e6eca0daf8 Use assertion methods introduced in Python 2.7
Since Python 2.6 support was dropped, we can use all these:
https://docs.python.org/2/library/unittest.html#assert-methods
2018-05-07 21:20:54 -04:00

138 lines
5.2 KiB
Python

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