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test_utils.py
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test_utils.py
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from utils import verify_request
from webob import MultiDict
import webapp2
import cgi
import unittest
import hashlib
import binascii
import urllib
import hmac
import ndb_tests
from google.appengine.ext.ndb import model
class TestVerifier(ndb_tests.NDBTest):
def setUp(self):
super(TestVerifier, self).setUp()
class AppAccess(model.Model):
secret = model.StringProperty(required=True)
self.eins_zwo = AppAccess(secret="meine weihnacht").put()
self.other_key = AppAccess(secret="secret souce").put()
def test_no_key(self):
self.assertRaises(webapp2.HTTPException,
verify_request, "GET", "http://example.com", {})
def test_no_signature(self):
self.assertRaises(webapp2.HTTPException,
verify_request, "GET", "http://example.com", {"_key": ""})
def test_unknown_key(self):
self.assertRaises(webapp2.HTTPException,
verify_request, "GET", "http://example.com",
{"_key": self.other_key.urlsafe()[:4] + "blaa",
"_signature": "faulty"})
def test_faulty_signature(self):
self.assertRaises(webapp2.HTTPException, verify_request,
"GET", "http://example.com",
{"_key": self.eins_zwo.urlsafe(), "_signature": "faulty"})
def test_simple(self):
key = self.eins_zwo.urlsafe()
secret = "meine weihnacht"
params = {"yay": "other", "second": "yes", "_key": key}
query = '&'.join(("GET", "http://www.example.com",
urllib.urlencode(params)))
params["_signature"] = binascii.b2a_base64(
hmac.new(secret, query, hashlib.sha256).digest())
self.assertEquals(self.eins_zwo.get(), verify_request("GET",
"http://www.example.com", params))
def test_lists(self):
key = self.eins_zwo.urlsafe()
secret = "meine weihnacht"
params = {"yay": ["other", "peter", "michael"],
"second": "yes", "_key": key}
query = '&'.join(("GET", "http://www.example.com",
urllib.urlencode(params)))
params["_signature"] = binascii.b2a_base64(
hmac.new(secret, query, hashlib.sha256).digest())
self.assertEquals(self.eins_zwo.get(), verify_request("GET",
"http://www.example.com", params))
def test_unsorted_params(self):
key = self.eins_zwo.urlsafe()
secret = "meine weihnacht"
done_params = "c=b&a=b&_key=" + key
query = '&'.join(("GET", "http://www.example.com",
done_params))
params = MultiDict(cgi.parse_qsl(
done_params, keep_blank_values=True,
strict_parsing=False))
params["_signature"] = binascii.b2a_base64(
hmac.new(secret, query, hashlib.sha256).digest())
self.assertEquals(self.eins_zwo.get(), verify_request("GET",
"http://www.example.com", params))
def test_post(self):
key = self.other_key.urlsafe()
secret = "secret souce"
params = {"yay": "other", "second": "yes", "_key": key}
query = '&'.join(("POST", "http://www.example.com",
urllib.urlencode(params)))
params["_signature"] = binascii.b2a_base64(
hmac.new(secret, query, hashlib.sha256).digest())
self.assertEquals(self.other_key.get(), verify_request("POST",
"http://www.example.com", params))
def test_changed_params(self):
key = self.eins_zwo.urlsafe()
secret = "meine weihnacht"
params = {"yay": "other", "second": "yes", "_key": key}
query = '&'.join(("GET", "http://www.example.com",
urllib.urlencode(params)))
params["_signature"] = binascii.b2a_base64(
hmac.new(secret, query, hashlib.sha256).digest())
# let's play with the params
params["yay"] = "oupsi"
self.assertRaises(webapp2.HTTPException,
verify_request, "GET", "http://www.example.com", params)
if __name__ == "__main__":
unittest.main()