debian-pywebpush/pywebpush/tests/test_webpush.py

118 lines
4.3 KiB
Python

import base64
import os
import unittest
import http_ece
from mock import patch
from nose.tools import eq_, ok_
import pyelliptic
from pywebpush import WebPusher, WebPushException, CaseInsensitiveDict
class WebpushTestCase(unittest.TestCase):
def _gen_subscription_info(self, recv_key):
return {
"endpoint": "https://example.com/",
"keys": {
'auth': base64.urlsafe_b64encode(os.urandom(16)).strip(b'='),
'p256dh': base64.urlsafe_b64encode(
recv_key.get_pubkey()).strip(b'='),
}
}
def test_init(self):
# use static values so we know what to look for in the reply
subscription_info = {
u"endpoint": u"https://example.com/",
u"keys": {
u"p256dh": (u"BOrnIslXrUow2VAzKCUAE4sIbK00daEZCswOcf8m3T"
"F8V82B-OpOg5JbmYLg44kRcvQC1E2gMJshsUYA-_zMPR8"),
u"auth": u"k8JV6sjdbhAi1n3_LDBLvA"
}
}
rk_decode = (b'\x04\xea\xe7"\xc9W\xadJ0\xd9P3(%\x00\x13\x8b'
b'\x08l\xad4u\xa1\x19\n\xcc\x0eq\xff&\xdd1'
b'|W\xcd\x81\xf8\xeaN\x83\x92[\x99\x82\xe0\xe3'
b'\x89\x11r\xf4\x02\xd4M\xa00\x9b!\xb1F\x00'
b'\xfb\xfc\xcc=\x1f')
self.assertRaises(
WebPushException,
WebPusher,
{"keys": {'p256dh': 'AAA=', 'auth': 'AAA='}})
self.assertRaises(
WebPushException,
WebPusher,
{"endpoint": "https://example.com"})
self.assertRaises(
WebPushException,
WebPusher,
{"endpoint": "https://example.com", "keys": {'p256dh': 'AAA='}})
self.assertRaises(
WebPushException,
WebPusher,
{"endpoint": "https://example.com", "keys": {'auth': 'AAA='}})
self.assertRaises(
WebPushException,
WebPusher,
{"endpoint": "https://example.com",
"keys": {'p256dh': 'AAA=', 'auth': 'AAA='}})
push = WebPusher(subscription_info)
eq_(push.subscription_info, subscription_info)
eq_(push.receiver_key, rk_decode)
eq_(push.auth_key, b'\x93\xc2U\xea\xc8\xddn\x10"\xd6}\xff,0K\xbc')
def test_encode(self):
recv_key = pyelliptic.ECC(curve="prime256v1")
subscription_info = self._gen_subscription_info(recv_key)
data = "Mary had a little lamb, with some nice mint jelly"
push = WebPusher(subscription_info)
encoded = push.encode(data)
keyid = base64.urlsafe_b64encode(recv_key.get_pubkey()[1:])
http_ece.keys[keyid] = recv_key
http_ece.labels[keyid] = 'P-256'
# Convert these b64 strings into their raw, binary form.
raw_salt = base64.urlsafe_b64decode(push._repad(encoded['salt']))
raw_dh = base64.urlsafe_b64decode(push._repad(encoded['crypto_key']))
raw_auth = base64.urlsafe_b64decode(
push._repad(subscription_info['keys']['auth']))
decoded = http_ece.decrypt(
buffer=encoded['body'],
salt=raw_salt,
dh=raw_dh,
keyid=keyid,
authSecret=raw_auth
)
eq_(decoded.decode('utf8'), data)
@patch("requests.post")
def test_send(self, mock_post):
recv_key = pyelliptic.ECC(curve="prime256v1")
subscription_info = self._gen_subscription_info(recv_key)
headers = {"Crypto-Key": "pre-existing",
"Authentication": "bearer vapid"}
data = "Mary had a little lamb"
WebPusher(subscription_info).send(data, headers)
eq_(subscription_info.get('endpoint'), mock_post.call_args[0][0])
pheaders = mock_post.call_args[1].get('headers')
eq_(pheaders.get('ttl'), 0)
ok_('encryption' in pheaders)
eq_(pheaders.get('AUTHENTICATION'), headers.get('Authentication'))
ckey = pheaders.get('crypto-key')
ok_('pre-existing,' in ckey)
eq_(pheaders.get('content-encoding'), 'aesgcm')
def test_ci_dict(self):
ci = CaseInsensitiveDict({"Foo": "apple", "bar": "banana"})
eq_('apple', ci["foo"])
eq_('apple', ci.get("FOO"))
eq_('apple', ci.get("Foo"))
del (ci['FOO'])
eq_(None, ci.get('Foo'))