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import contextlib
import json
from unittest import mock
import pytest
import jwt
from jwt import PyJWKClient
from jwt.api_jwk import PyJWK
from jwt.exceptions import PyJWKClientError
from .test_algorithms import has_crypto
RESPONSE_DATA = {
"keys": [
{
"alg": "RS256",
"kty": "RSA",
"use": "sig",
"n": "0wtlJRY9-ru61LmOgieeI7_rD1oIna9QpBMAOWw8wTuoIhFQFwcIi7MFB7IEfelCPj08vkfLsuFtR8cG07EE4uvJ78bAqRjMsCvprWp4e2p7hqPnWcpRpDEyHjzirEJle1LPpjLLVaSWgkbrVaOD0lkWkP1T1TkrOset_Obh8BwtO-Ww-UfrEwxTyz1646AGkbT2nL8PX0trXrmira8GnrCkFUgTUS61GoTdb9bCJ19PLX9Gnxw7J0BtR0GubopXq8KlI0ThVql6ZtVGN2dvmrCPAVAZleM5TVB61m0VSXvGWaF6_GeOhbFoyWcyUmFvzWhBm8Q38vWgsSI7oHTkEw",
"e": "AQAB",
"kid": "NEE1QURBOTM4MzI5RkFDNTYxOTU1MDg2ODgwQ0UzMTk1QjYyRkRFQw",
"x5t": "NEE1QURBOTM4MzI5RkFDNTYxOTU1MDg2ODgwQ0UzMTk1QjYyRkRFQw",
"x5c": [
"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"
],
}
]
}
@pytest.fixture
def mocked_response():
@contextlib.contextmanager
def _mocked_response(data):
with mock.patch("urllib.request.urlopen") as urlopen_mock:
response = mock.Mock()
response.__enter__ = mock.Mock(return_value=response)
response.__exit__ = mock.Mock()
response.read.side_effect = [json.dumps(data)]
urlopen_mock.return_value = response
yield
return _mocked_response
@pytest.mark.skipif(
not has_crypto, reason="Not supported without cryptography library"
)
class TestPyJWKClient:
def test_get_jwk_set(self, mocked_response):
url = "https://dev-87evx9ru.auth0.com/.well-known/jwks.json"
with mocked_response(RESPONSE_DATA):
jwks_client = PyJWKClient(url)
jwk_set = jwks_client.get_jwk_set()
assert len(jwk_set.keys) == 1
def test_get_signing_keys(self, mocked_response):
url = "https://dev-87evx9ru.auth0.com/.well-known/jwks.json"
with mocked_response(RESPONSE_DATA):
jwks_client = PyJWKClient(url)
signing_keys = jwks_client.get_signing_keys()
assert len(signing_keys) == 1
assert isinstance(signing_keys[0], PyJWK)
def test_get_signing_keys_raises_if_none_found(self, mocked_response):
url = "https://dev-87evx9ru.auth0.com/.well-known/jwks.json"
mocked_key = RESPONSE_DATA["keys"][0].copy()
mocked_key["use"] = "enc"
response = {"keys": [mocked_key]}
with mocked_response(response):
jwks_client = PyJWKClient(url)
with pytest.raises(PyJWKClientError) as exc:
jwks_client.get_signing_keys()
assert "The JWKS endpoint did not contain any signing keys" in str(
exc.value
)
def test_get_signing_key(self, mocked_response):
url = "https://dev-87evx9ru.auth0.com/.well-known/jwks.json"
kid = "NEE1QURBOTM4MzI5RkFDNTYxOTU1MDg2ODgwQ0UzMTk1QjYyRkRFQw"
with mocked_response(RESPONSE_DATA):
jwks_client = PyJWKClient(url)
signing_key = jwks_client.get_signing_key(kid)
assert isinstance(signing_key, PyJWK)
assert signing_key.key_type == "RSA"
assert signing_key.key_id == kid
assert signing_key.public_key_use == "sig"
def test_get_signing_key_from_jwt(self, mocked_response):
token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ik5FRTFRVVJCT1RNNE16STVSa0ZETlRZeE9UVTFNRGcyT0Rnd1EwVXpNVGsxUWpZeVJrUkZRdyJ9.eyJpc3MiOiJodHRwczovL2Rldi04N2V2eDlydS5hdXRoMC5jb20vIiwic3ViIjoiYVc0Q2NhNzl4UmVMV1V6MGFFMkg2a0QwTzNjWEJWdENAY2xpZW50cyIsImF1ZCI6Imh0dHBzOi8vZXhwZW5zZXMtYXBpIiwiaWF0IjoxNTcyMDA2OTU0LCJleHAiOjE1NzIwMDY5NjQsImF6cCI6ImFXNENjYTc5eFJlTFdVejBhRTJINmtEME8zY1hCVnRDIiwiZ3R5IjoiY2xpZW50LWNyZWRlbnRpYWxzIn0.PUxE7xn52aTCohGiWoSdMBZGiYAHwE5FYie0Y1qUT68IHSTXwXVd6hn02HTah6epvHHVKA2FqcFZ4GGv5VTHEvYpeggiiZMgbxFrmTEY0csL6VNkX1eaJGcuehwQCRBKRLL3zKmA5IKGy5GeUnIbpPHLHDxr-GXvgFzsdsyWlVQvPX2xjeaQ217r2PtxDeqjlf66UYl6oY6AqNS8DH3iryCvIfCcybRZkc_hdy-6ZMoKT6Piijvk_aXdm7-QQqKJFHLuEqrVSOuBqqiNfVrG27QzAPuPOxvfXTVLXL2jek5meH6n-VWgrBdoMFH93QEszEDowDAEhQPHVs0xj7SIzA"
url = "https://dev-87evx9ru.auth0.com/.well-known/jwks.json"
with mocked_response(RESPONSE_DATA):
jwks_client = PyJWKClient(url)
signing_key = jwks_client.get_signing_key_from_jwt(token)
data = jwt.decode(
token,
signing_key.key,
algorithms=["RS256"],
audience="https://expenses-api",
options={"verify_exp": False},
)
assert data == {
"iss": "https://dev-87evx9ru.auth0.com/",
"sub": "aW4Cca79xReLWUz0aE2H6kD0O3cXBVtC@clients",
"aud": "https://expenses-api",
"iat": 1572006954,
"exp": 1572006964,
"azp": "aW4Cca79xReLWUz0aE2H6kD0O3cXBVtC",
"gty": "client-credentials",
}
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