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OIDCConfig.par selects never (default), auto, or always. When enabled, build_authorization_url pushes the authorization parameters to the provider's PAR endpoint and redirects the browser with only client_id and request_uri. Providers that require PAR raise a clear error when configured with par='never'. Client authentication follows the token endpoint (HTTP Basic or public client).
982 lines
42 KiB
Python
982 lines
42 KiB
Python
import base64
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import unittest
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from dataclasses import replace
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from time import time
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from typing import Mapping, Optional
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from urllib.parse import parse_qs, urlparse
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import httpx
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import jwt
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from cryptography.hazmat.primitives.asymmetric import rsa
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from pwo import async_test
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from kaya.core import HttpContext, KayaApp
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from kaya.session import InMemorySessionStore, SessionMixin
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from kaya.oidc import OIDCConfig, OIDCMixin, OIDCProviders
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from kaya.oidc._client import OIDCClient
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class MockOIDCProvider:
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def __init__(
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self,
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name: str = 'mock',
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*,
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issuer: Optional[str] = None,
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sub: str = 'user123',
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email: str = 'user@example.com',
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supports_par: bool = False,
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require_par: bool = False,
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par_error: bool = False,
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) -> None:
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self.private_key = rsa.generate_private_key(public_exponent=65537, key_size=2048)
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self.public_key = self.private_key.public_key()
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self.kid = 'mock-key'
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self.issuer = issuer or f'https://{name}-oidc.local'
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self.sub = sub
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self.email = email
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self.nonce = f'{name}-nonce-value'
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self.par_error = par_error
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self.par_requests: list[dict[str, list[str]]] = []
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self.par_auth_headers: list[Optional[str]] = []
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self.discovery = {
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'issuer': self.issuer,
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'authorization_endpoint': f'{self.issuer}/auth',
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'token_endpoint': f'{self.issuer}/token',
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'userinfo_endpoint': f'{self.issuer}/userinfo',
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'end_session_endpoint': f'{self.issuer}/logout',
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'jwks_uri': f'{self.issuer}/jwks',
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}
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if supports_par or require_par:
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self.discovery['pushed_authorization_request_endpoint'] = f'{self.issuer}/par'
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if require_par:
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self.discovery['require_pushed_authorization_requests'] = True
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def _public_key_to_jwk(self) -> dict[str, str]:
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numbers = self.public_key.public_numbers()
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e_bytes = numbers.e.to_bytes((numbers.e.bit_length() + 7) // 8, 'big')
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n_bytes = numbers.n.to_bytes((numbers.n.bit_length() + 7) // 8, 'big')
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return {
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'kty': 'RSA',
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'kid': self.kid,
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'use': 'sig',
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'n': base64.urlsafe_b64encode(n_bytes).rstrip(b'=').decode(),
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'e': base64.urlsafe_b64encode(e_bytes).rstrip(b'=').decode(),
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'alg': 'RS256',
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}
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def issue_id_token(self, nonce: str, audience: str, expired: bool = False, wrong_nonce: bool = False) -> str:
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now = time()
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exp = now - 3600 if expired else now + 3600
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payload = {
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'sub': self.sub,
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'iss': self.issuer,
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'aud': audience,
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'iat': now,
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'exp': exp,
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'nonce': 'wrong-nonce' if wrong_nonce else nonce,
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}
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return jwt.encode(
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payload,
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self.private_key,
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algorithm='RS256',
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headers={'kid': self.kid},
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)
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def handle_request(self, request: httpx.Request) -> httpx.Response:
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url = str(request.url)
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path = urlparse(url).path
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# Serve discovery and JWKS for any host so that issuer-mismatch tests can still fetch keys.
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if path == '/.well-known/openid-configuration':
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return httpx.Response(200, json=self.discovery)
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if path == '/jwks':
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return httpx.Response(200, json={'keys': [self._public_key_to_jwk()]})
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if path == '/par':
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if request.method != 'POST':
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return httpx.Response(405)
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self.par_requests.append(parse_qs(request.content.decode()))
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self.par_auth_headers.append(request.headers.get('Authorization'))
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if self.par_error:
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return httpx.Response(400, json={
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'error': 'invalid_request',
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'error_description': 'mock PAR failure',
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})
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return httpx.Response(201, json={
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'request_uri': f'urn:ietf:params:oauth:request_uri:par-{len(self.par_requests)}',
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'expires_in': 60,
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})
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if path == '/token' and request.method == 'POST':
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body = request.content.decode()
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data = dict(part.split('=') for part in body.split('&')) if body else {}
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if data.get('grant_type') == 'refresh_token':
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return httpx.Response(200, json={
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'access_token': 'new-access-token',
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'refresh_token': 'new-refresh-token',
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'id_token': self.issue_id_token('refreshed-nonce', data.get('client_id', 'client')),
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'token_type': 'Bearer',
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})
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return httpx.Response(200, json={
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'access_token': 'mock-access-token',
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'refresh_token': 'mock-refresh-token',
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'id_token': self.issue_id_token(self.nonce, data.get('client_id', 'client')),
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'token_type': 'Bearer',
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})
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if path == '/userinfo':
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return httpx.Response(200, json={'sub': self.sub, 'email': self.email})
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if path == '/logout':
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return httpx.Response(200)
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return httpx.Response(404)
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class MockTransport(httpx.AsyncBaseTransport):
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def __init__(self, provider: MockOIDCProvider) -> None:
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self._provider = provider
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async def handle_async_request(self, request: httpx.Request) -> httpx.Response:
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return self._provider.handle_request(request)
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class OIDCClientTest(unittest.TestCase):
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def setUp(self) -> None:
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self.provider = MockOIDCProvider()
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self.http_client = httpx.AsyncClient(transport=MockTransport(self.provider))
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self.config = OIDCConfig(
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issuer=self.provider.issuer,
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client_id='client',
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client_secret='secret',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=self.http_client,
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)
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self.client = OIDCClient(self.config)
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@async_test
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async def test_build_authorization_url(self) -> None:
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url, state, nonce, verifier = await self.client.build_authorization_url()
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self.assertIn(self.provider.discovery['authorization_endpoint'], url)
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parsed = urlparse(url)
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query = parse_qs(parsed.query)
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self.assertEqual(['client'], query['client_id'])
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self.assertEqual(['code'], query['response_type'])
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self.assertEqual(['S256'], query['code_challenge_method'])
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self.assertIn('openid', query['scope'][0])
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self.assertEqual([state], query['state'])
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self.assertEqual([nonce], query['nonce'])
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self.assertTrue(len(verifier) > 0)
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@async_test
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async def test_validate_id_token_success(self) -> None:
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token = self.provider.issue_id_token('nonce-value', 'client')
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claims = await self.client.validate_id_token(token, 'nonce-value')
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self.assertEqual('user123', claims['sub'])
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self.assertEqual('nonce-value', claims['nonce'])
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@async_test
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async def test_validate_id_token_wrong_nonce(self) -> None:
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token = self.provider.issue_id_token('nonce-value', 'client', wrong_nonce=True)
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with self.assertRaises(ValueError) as ctx:
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await self.client.validate_id_token(token, 'nonce-value')
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self.assertIn('nonce', str(ctx.exception))
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@async_test
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async def test_validate_id_token_expired(self) -> None:
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token = self.provider.issue_id_token('nonce-value', 'client', expired=True)
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with self.assertRaises(jwt.ExpiredSignatureError):
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await self.client.validate_id_token(token, 'nonce-value')
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@async_test
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async def test_validate_id_token_wrong_issuer(self) -> None:
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token = self.provider.issue_id_token('nonce-value', 'client')
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config = OIDCConfig(
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issuer='https://wrong-issuer.local',
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client_id='client',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=self.http_client,
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)
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client = OIDCClient(config)
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with self.assertRaises(jwt.InvalidIssuerError):
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await client.validate_id_token(token, 'nonce-value')
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@async_test
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async def test_validate_id_token_disallowed_algorithm(self) -> None:
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token = self.provider.issue_id_token('nonce-value', 'client')
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config = OIDCConfig(
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issuer=self.provider.issuer,
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client_id='client',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=self.http_client,
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allowed_id_token_algorithms=('ES256',),
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)
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client = OIDCClient(config)
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with self.assertRaises(ValueError) as ctx:
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await client.validate_id_token(token, 'nonce-value')
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self.assertIn('RS256', str(ctx.exception))
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@async_test
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async def test_fetch_userinfo(self) -> None:
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userinfo = await self.client.fetch_userinfo('access-token')
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self.assertEqual('user123', userinfo['sub'])
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self.assertEqual('user@example.com', userinfo['email'])
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@async_test
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async def test_build_logout_url(self) -> None:
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url = await self.client.build_logout_url('id-token')
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self.assertIsNotNone(url)
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assert url is not None
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self.assertIn(self.provider.discovery['end_session_endpoint'], url)
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parsed = urlparse(url)
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query = parse_qs(parsed.query)
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self.assertEqual(['id-token'], query['id_token_hint'])
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self.assertEqual(['/'], query['post_logout_redirect_uri'])
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@async_test
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async def test_build_authorization_url_with_par(self) -> None:
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provider = MockOIDCProvider('par', supports_par=True)
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http_client = httpx.AsyncClient(transport=MockTransport(provider))
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config = OIDCConfig(
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issuer=provider.issuer,
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client_id='client',
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client_secret='secret',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=http_client,
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par='always',
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)
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client = OIDCClient(config)
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url, state, nonce, verifier = await client.build_authorization_url(par='always')
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query = parse_qs(urlparse(url).query)
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self.assertEqual(['client'], query['client_id'])
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self.assertEqual(['urn:ietf:params:oauth:request_uri:par-1'], query['request_uri'])
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self.assertNotIn('state', query)
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self.assertNotIn('nonce', query)
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self.assertNotIn('code_challenge', query)
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self.assertEqual(1, len(provider.par_requests))
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data = provider.par_requests[0]
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self.assertEqual(['client'], data['client_id'])
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self.assertEqual(['code'], data['response_type'])
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self.assertEqual([state], data['state'])
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self.assertEqual([nonce], data['nonce'])
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self.assertEqual(['S256'], data['code_challenge_method'])
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self.assertIn('openid', data['scope'][0])
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self.assertIn('code_challenge', data)
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self.assertTrue(len(verifier) > 0)
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auth = provider.par_auth_headers[0]
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self.assertIsNotNone(auth)
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assert auth is not None
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self.assertTrue(auth.startswith('Basic '))
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@async_test
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async def test_par_auto_uses_par_only_when_advertised(self) -> None:
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provider = MockOIDCProvider('par', supports_par=True)
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http_client = httpx.AsyncClient(transport=MockTransport(provider))
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config = OIDCConfig(
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issuer=provider.issuer,
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client_id='client',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=http_client,
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)
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client = OIDCClient(config)
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url, *_ = await client.build_authorization_url(par='auto')
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query = parse_qs(urlparse(url).query)
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self.assertIn('request_uri', query)
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self.assertEqual(1, len(provider.par_requests))
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# The default mock provider does not advertise a PAR endpoint.
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url, *_ = await self.client.build_authorization_url(par='auto')
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query = parse_qs(urlparse(url).query)
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self.assertNotIn('request_uri', query)
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self.assertIn('state', query)
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@async_test
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async def test_par_always_without_endpoint_raises(self) -> None:
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with self.assertRaises(RuntimeError):
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await self.client.build_authorization_url(par='always')
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@async_test
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async def test_required_par_with_never_raises(self) -> None:
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provider = MockOIDCProvider('req', require_par=True)
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http_client = httpx.AsyncClient(transport=MockTransport(provider))
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config = OIDCConfig(
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issuer=provider.issuer,
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client_id='client',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=http_client,
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)
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client = OIDCClient(config)
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with self.assertRaises(RuntimeError) as ctx:
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await client.build_authorization_url(par='never')
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self.assertIn('set par', str(ctx.exception))
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self.assertEqual(0, len(provider.par_requests))
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@async_test
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async def test_required_par_with_auto_uses_par(self) -> None:
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provider = MockOIDCProvider('req', require_par=True)
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http_client = httpx.AsyncClient(transport=MockTransport(provider))
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config = OIDCConfig(
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issuer=provider.issuer,
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client_id='client',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=http_client,
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)
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client = OIDCClient(config)
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url, *_ = await client.build_authorization_url(par='auto')
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self.assertIn('request_uri', parse_qs(urlparse(url).query))
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self.assertEqual(1, len(provider.par_requests))
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@async_test
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async def test_par_error_response_propagates(self) -> None:
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provider = MockOIDCProvider('par', supports_par=True, par_error=True)
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http_client = httpx.AsyncClient(transport=MockTransport(provider))
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config = OIDCConfig(
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issuer=provider.issuer,
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client_id='client',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=http_client,
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par='always',
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)
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client = OIDCClient(config)
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with self.assertRaises(httpx.HTTPStatusError):
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await client.build_authorization_url(par='always')
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self.assertEqual(1, len(provider.par_requests))
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@async_test
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async def test_par_public_client_uses_no_basic_auth(self) -> None:
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provider = MockOIDCProvider('par', supports_par=True)
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http_client = httpx.AsyncClient(transport=MockTransport(provider))
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config = OIDCConfig(
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issuer=provider.issuer,
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client_id='client',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=http_client,
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par='always',
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)
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client = OIDCClient(config)
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await client.build_authorization_url(par='always')
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self.assertIsNone(provider.par_auth_headers[0])
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self.assertEqual(['client'], provider.par_requests[0]['client_id'])
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def test_config_par_defaults_to_never_and_validates(self) -> None:
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config = OIDCConfig(
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issuer='https://issuer.local',
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client_id='client',
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redirect_uri='http://localhost/callback',
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)
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self.assertEqual('never', config.par)
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with self.assertRaises(ValueError):
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OIDCConfig(
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issuer='https://issuer.local',
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client_id='client',
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redirect_uri='http://localhost/callback',
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par='bogus',
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)
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class OIDCParTest(unittest.TestCase):
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@async_test
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async def test_login_and_callback_with_par(self) -> None:
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provider = MockOIDCProvider('par', email='par@example.com', supports_par=True)
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http_client = httpx.AsyncClient(transport=MockTransport(provider))
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store = InMemorySessionStore()
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session = SessionMixin(store)
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config = OIDCConfig(
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issuer=provider.issuer,
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client_id='client',
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client_secret='secret',
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redirect_uri='http://localhost:8000/auth/callback',
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http_client=http_client,
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par='auto',
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fetch_userinfo=True,
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)
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oidc = OIDCMixin(config, session=session)
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app = KayaApp(mixins=[session, oidc])
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@app.GET('/profile')
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@oidc.require_auth
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async def profile(ctx: HttpContext) -> None:
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user = oidc.get_user(ctx)
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await ctx.send_str(200, user.email if user and user.email else 'none')
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transport = httpx.ASGITransport(app=app)
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async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
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r = await client.get('/auth/login', follow_redirects=False)
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self.assertEqual(302, r.status_code)
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query = parse_qs(urlparse(r.headers['Location']).query)
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self.assertIn('request_uri', query)
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self.assertNotIn('state', query)
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self.assertEqual(1, len(provider.par_requests))
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state = provider.par_requests[0]['state'][0]
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provider.nonce = provider.par_requests[0]['nonce'][0]
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r = await client.get('/auth/callback', params={'code': 'mock-code', 'state': state}, follow_redirects=False)
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self.assertEqual(302, r.status_code)
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r = await client.get('/profile')
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self.assertEqual('par@example.com', r.text)
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@async_test
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async def test_container_applies_policy_per_provider(self) -> None:
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par_provider = MockOIDCProvider('par', supports_par=True)
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plain_provider = MockOIDCProvider('plain')
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par_http = httpx.AsyncClient(transport=MockTransport(par_provider))
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plain_http = httpx.AsyncClient(transport=MockTransport(plain_provider))
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par_config = OIDCConfig(
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issuer=par_provider.issuer,
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client_id='par-client',
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redirect_uri='http://localhost:8000/auth/withpar/callback',
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http_client=par_http,
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provider='withpar',
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par='always',
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)
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plain_config = OIDCConfig(
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issuer=plain_provider.issuer,
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client_id='plain-client',
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redirect_uri='http://localhost:8000/auth/plain/callback',
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http_client=plain_http,
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provider='plain',
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par='never',
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)
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session = SessionMixin(InMemorySessionStore())
|
|
oidc = OIDCProviders([par_config, plain_config], session=session)
|
|
app = KayaApp(mixins=[session, oidc])
|
|
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/auth/withpar/login', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
self.assertIn('request_uri', parse_qs(urlparse(r.headers['Location']).query))
|
|
|
|
r = await client.get('/auth/plain/login', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
plain_query = parse_qs(urlparse(r.headers['Location']).query)
|
|
self.assertNotIn('request_uri', plain_query)
|
|
self.assertIn('state', plain_query)
|
|
|
|
|
|
|
|
class OIDCMixinTest(unittest.TestCase):
|
|
|
|
def _build_app(self, fetch_userinfo: bool = False) -> tuple[KayaApp, OIDCMixin, MockOIDCProvider, InMemorySessionStore]:
|
|
provider = MockOIDCProvider()
|
|
http_client = httpx.AsyncClient(transport=MockTransport(provider))
|
|
store = InMemorySessionStore()
|
|
session = SessionMixin(store)
|
|
config = OIDCConfig(
|
|
issuer=provider.issuer,
|
|
client_id='client',
|
|
client_secret='secret',
|
|
redirect_uri='http://localhost:8000/auth/callback',
|
|
http_client=http_client,
|
|
fetch_userinfo=fetch_userinfo,
|
|
)
|
|
oidc = OIDCMixin(config, session=session)
|
|
app = KayaApp(mixins=[session, oidc])
|
|
return app, oidc, provider, store
|
|
|
|
def _setup_routes(self, app: KayaApp, oidc: OIDCMixin) -> None:
|
|
@app.GET('/')
|
|
async def home(ctx: HttpContext) -> None:
|
|
await ctx.send_str(200, 'home')
|
|
|
|
@app.GET('/profile')
|
|
@oidc.require_auth
|
|
async def profile(ctx: HttpContext) -> None:
|
|
user = oidc.get_user(ctx)
|
|
if user is None:
|
|
await ctx.send_empty(401)
|
|
return
|
|
await ctx.send_str(200, f'Hello {user.email}')
|
|
|
|
@app.GET('/refresh')
|
|
@oidc.require_auth
|
|
async def refresh(ctx: HttpContext) -> None:
|
|
new_token = await oidc.refresh_access_token(ctx.session)
|
|
await ctx.send_str(200, new_token or 'no-token')
|
|
|
|
@async_test
|
|
async def test_login_redirect(self) -> None:
|
|
app, oidc, provider, store = self._build_app()
|
|
self._setup_routes(app, oidc)
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/auth/login', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
location = r.headers['Location']
|
|
self.assertIn(provider.discovery['authorization_endpoint'], location)
|
|
self.assertIn('Set-Cookie', r.headers)
|
|
|
|
@async_test
|
|
async def test_callback_success(self) -> None:
|
|
app, oidc, provider, store = self._build_app(fetch_userinfo=True)
|
|
self._setup_routes(app, oidc)
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/auth/login', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
parsed = urlparse(r.headers['Location'])
|
|
query = parse_qs(parsed.query)
|
|
state = query['state'][0]
|
|
|
|
nonce = query['nonce'][0]
|
|
provider.nonce = nonce
|
|
|
|
r = await client.get('/auth/callback', params={'code': 'mock-code', 'state': state}, follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
self.assertEqual('/', r.headers['Location'])
|
|
self.assertIn('Set-Cookie', r.headers)
|
|
|
|
r = await client.get('/profile')
|
|
self.assertEqual(200, r.status_code)
|
|
self.assertIn('user@example.com', r.text)
|
|
|
|
@async_test
|
|
async def test_callback_invalid_state(self) -> None:
|
|
app, oidc, provider, store = self._build_app()
|
|
self._setup_routes(app, oidc)
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/auth/callback', params={'code': 'mock-code', 'state': 'wrong'}, follow_redirects=False)
|
|
self.assertEqual(400, r.status_code)
|
|
|
|
@async_test
|
|
async def test_logout(self) -> None:
|
|
app, oidc, provider, store = self._build_app()
|
|
self._setup_routes(app, oidc)
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/auth/login', follow_redirects=False)
|
|
parsed = urlparse(r.headers['Location'])
|
|
query = parse_qs(parsed.query)
|
|
state = query['state'][0]
|
|
provider.nonce = query['nonce'][0]
|
|
await client.get('/auth/callback', params={'code': 'mock-code', 'state': state}, follow_redirects=False)
|
|
|
|
session_id = client.cookies['session_id']
|
|
self.assertIn(session_id, store._data)
|
|
|
|
r = await client.get('/auth/logout', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
self.assertIn(provider.discovery['end_session_endpoint'], r.headers['Location'])
|
|
self.assertNotIn(session_id, store._data)
|
|
|
|
@async_test
|
|
async def test_require_auth_redirect(self) -> None:
|
|
app, oidc, provider, store = self._build_app()
|
|
self._setup_routes(app, oidc)
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/profile', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
self.assertEqual('/auth/login', r.headers['Location'])
|
|
|
|
@async_test
|
|
async def test_refresh_access_token(self) -> None:
|
|
app, oidc, provider, store = self._build_app()
|
|
self._setup_routes(app, oidc)
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/auth/login', follow_redirects=False)
|
|
parsed = urlparse(r.headers['Location'])
|
|
query = parse_qs(parsed.query)
|
|
state = query['state'][0]
|
|
provider.nonce = query['nonce'][0]
|
|
await client.get('/auth/callback', params={'code': 'mock-code', 'state': state}, follow_redirects=False)
|
|
|
|
r = await client.get('/refresh')
|
|
self.assertEqual(200, r.status_code)
|
|
self.assertEqual('new-access-token', r.text)
|
|
|
|
@async_test
|
|
async def test_dependency_applied_automatically(self) -> None:
|
|
# Only pass oidc to KayaApp; SessionMixin should be applied via dependencies.
|
|
provider = MockOIDCProvider()
|
|
http_client = httpx.AsyncClient(transport=MockTransport(provider))
|
|
store = InMemorySessionStore()
|
|
session = SessionMixin(store)
|
|
config = OIDCConfig(
|
|
issuer=provider.issuer,
|
|
client_id='client',
|
|
client_secret='secret',
|
|
redirect_uri='http://localhost:8000/auth/callback',
|
|
http_client=http_client,
|
|
)
|
|
oidc = OIDCMixin(config, session=session)
|
|
app = KayaApp(mixins=[oidc])
|
|
|
|
@app.GET('/')
|
|
async def home(ctx: HttpContext) -> None:
|
|
ctx.session['x'] = 1
|
|
await ctx.send_str(200, 'ok')
|
|
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/')
|
|
self.assertEqual(200, r.status_code)
|
|
self.assertIn('Set-Cookie', r.headers)
|
|
|
|
|
|
class OIDCMultiProviderTest(unittest.TestCase):
|
|
|
|
def _provider_config(self, provider: MockOIDCProvider, name: str) -> tuple[OIDCConfig, httpx.AsyncClient]:
|
|
http_client = httpx.AsyncClient(transport=MockTransport(provider))
|
|
config = OIDCConfig(
|
|
issuer=provider.issuer,
|
|
client_id=f'{name}-client',
|
|
client_secret='secret',
|
|
provider=name,
|
|
redirect_uri=f'http://localhost:8000/auth/{name}/callback',
|
|
http_client=http_client,
|
|
fetch_userinfo=True,
|
|
)
|
|
return config, http_client
|
|
|
|
def _build(self, strategy: str = 'multi-identity') -> tuple[KayaApp, OIDCProviders, InMemorySessionStore]:
|
|
self.google = MockOIDCProvider('google', sub='g-sub', email='g@example.com')
|
|
self.github = MockOIDCProvider('github', sub='h-sub', email='h@example.com')
|
|
google_config, self.google_http = self._provider_config(self.google, 'google')
|
|
github_config, self.github_http = self._provider_config(self.github, 'github')
|
|
|
|
store = InMemorySessionStore()
|
|
session = SessionMixin(store)
|
|
oidc = OIDCProviders([google_config, github_config], session=session, strategy=strategy)
|
|
app = KayaApp(mixins=[session, oidc])
|
|
|
|
@app.GET('/who')
|
|
async def who(ctx: HttpContext) -> None:
|
|
users = oidc.get_users(ctx)
|
|
await ctx.send_str(200, ','.join(sorted(users)) or 'none')
|
|
|
|
@app.GET('/google-profile')
|
|
@oidc.require_auth('google')
|
|
async def google_profile(ctx: HttpContext) -> None:
|
|
user = oidc.get_user(ctx, 'google')
|
|
assert user is not None
|
|
await ctx.send_str(200, user.email or '')
|
|
|
|
@app.GET('/github-profile')
|
|
@oidc.require_auth('github')
|
|
async def github_profile(ctx: HttpContext) -> None:
|
|
user = oidc.get_user(ctx, 'github')
|
|
assert user is not None
|
|
await ctx.send_str(200, user.email or '')
|
|
|
|
@app.GET('/refresh-github')
|
|
@oidc.require_auth('github')
|
|
async def refresh_github(ctx: HttpContext) -> None:
|
|
token = await oidc.refresh_access_token(ctx.session, 'github')
|
|
await ctx.send_str(200, token or 'no-token')
|
|
|
|
return app, oidc, store
|
|
|
|
async def _complete_login(self, client: httpx.AsyncClient, name: str, state: str) -> None:
|
|
r = await client.get(
|
|
f'/auth/{name}/callback',
|
|
params={'code': 'mock-code', 'state': state},
|
|
follow_redirects=False,
|
|
)
|
|
self.assertEqual(302, r.status_code)
|
|
|
|
async def _login(self, client: httpx.AsyncClient, provider: MockOIDCProvider, name: str) -> None:
|
|
r = await client.get(f'/auth/{name}/login', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
query = parse_qs(urlparse(r.headers['Location']).query)
|
|
provider.nonce = query['nonce'][0]
|
|
await self._complete_login(client, name, query['state'][0])
|
|
|
|
@async_test
|
|
async def test_independent_logins(self) -> None:
|
|
app, oidc, store = self._build()
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
await self._login(client, self.google, 'google')
|
|
|
|
r = await client.get('/google-profile')
|
|
self.assertEqual('g@example.com', r.text)
|
|
|
|
# The github provider is untouched by the google login.
|
|
r = await client.get('/github-profile', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
self.assertEqual('/auth/github/login', r.headers['Location'])
|
|
|
|
r = await client.get('/who')
|
|
self.assertEqual('google', r.text)
|
|
|
|
@async_test
|
|
async def test_interleaved_login_flows(self) -> None:
|
|
app, oidc, store = self._build()
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
# Start both flows before completing either one.
|
|
r = await client.get('/auth/google/login', follow_redirects=False)
|
|
google_query = parse_qs(urlparse(r.headers['Location']).query)
|
|
r = await client.get('/auth/github/login', follow_redirects=False)
|
|
github_query = parse_qs(urlparse(r.headers['Location']).query)
|
|
|
|
self.google.nonce = google_query['nonce'][0]
|
|
self.github.nonce = github_query['nonce'][0]
|
|
|
|
# Completing google must not invalidate the pending github state.
|
|
await self._complete_login(client, 'google', google_query['state'][0])
|
|
await self._complete_login(client, 'github', github_query['state'][0])
|
|
|
|
r = await client.get('/who')
|
|
self.assertEqual('github,google', r.text)
|
|
|
|
@async_test
|
|
async def test_logout_one_provider_keeps_the_other(self) -> None:
|
|
app, oidc, store = self._build()
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
await self._login(client, self.google, 'google')
|
|
await self._login(client, self.github, 'github')
|
|
|
|
session_id = client.cookies['session_id']
|
|
self.assertIn(session_id, store._data)
|
|
|
|
r = await client.get('/auth/github/logout', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
self.assertIn(self.github.discovery['end_session_endpoint'], r.headers['Location'])
|
|
|
|
# Google is still logged in and the shared session survives.
|
|
r = await client.get('/google-profile')
|
|
self.assertEqual('g@example.com', r.text)
|
|
r = await client.get('/github-profile', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
self.assertIn(session_id, store._data)
|
|
|
|
# Logging out the last provider invalidates the session.
|
|
r = await client.get('/auth/google/logout', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
self.assertNotIn(session_id, store._data)
|
|
|
|
@async_test
|
|
async def test_provider_refresh_is_namespaced(self) -> None:
|
|
app, oidc, store = self._build()
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
await self._login(client, self.google, 'google')
|
|
await self._login(client, self.github, 'github')
|
|
|
|
# Refreshing github must not clobber google's session state.
|
|
r = await client.get('/refresh-github')
|
|
self.assertEqual('new-access-token', r.text)
|
|
r = await client.get('/google-profile')
|
|
self.assertEqual('g@example.com', r.text)
|
|
|
|
@async_test
|
|
async def test_multiple_mixin_instances_compose(self) -> None:
|
|
google = MockOIDCProvider('google', sub='g-sub', email='g@example.com')
|
|
github = MockOIDCProvider('github', sub='h-sub', email='h@example.com')
|
|
google_config, google_http = self._provider_config(google, 'google')
|
|
github_config, github_http = self._provider_config(github, 'github')
|
|
|
|
store = InMemorySessionStore()
|
|
session = SessionMixin(store)
|
|
google_mixin = OIDCMixin(
|
|
replace(google_config, login_path='/google/login', callback_path='/google/callback', logout_path='/google/logout'),
|
|
session=session,
|
|
)
|
|
github_mixin = OIDCMixin(
|
|
replace(github_config, login_path='/github/login', callback_path='/github/callback', logout_path='/github/logout'),
|
|
session=session,
|
|
)
|
|
app = KayaApp(mixins=[session, google_mixin, github_mixin])
|
|
|
|
@app.GET('/g')
|
|
@google_mixin.require_auth
|
|
async def g(ctx: HttpContext) -> None:
|
|
user = google_mixin.get_user(ctx)
|
|
assert user is not None
|
|
await ctx.send_str(200, user.email or '')
|
|
|
|
@app.GET('/h')
|
|
@github_mixin.require_auth
|
|
async def h(ctx: HttpContext) -> None:
|
|
user = github_mixin.get_user(ctx)
|
|
assert user is not None
|
|
await ctx.send_str(200, user.email or '')
|
|
|
|
@app.GET('/who')
|
|
async def who(ctx: HttpContext) -> None:
|
|
users = google_mixin.get_users(ctx)
|
|
providers = google_mixin.logged_in_providers(ctx)
|
|
summary = ','.join(f'{name}={users[name].email}' for name in sorted(users))
|
|
await ctx.send_str(200, f'{",".join(sorted(providers))}|{summary}')
|
|
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/google/login', follow_redirects=False)
|
|
query = parse_qs(urlparse(r.headers['Location']).query)
|
|
google.nonce = query['nonce'][0]
|
|
r = await client.get('/google/callback', params={'code': 'c', 'state': query['state'][0]}, follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
|
|
r = await client.get('/g')
|
|
self.assertEqual('g@example.com', r.text)
|
|
r = await client.get('/h', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
|
|
# Mixin-level helpers see the namespaced user across providers.
|
|
r = await client.get('/who')
|
|
self.assertEqual('google|google=g@example.com', r.text)
|
|
|
|
@async_test
|
|
async def test_single_identity_evicts_previous_provider(self) -> None:
|
|
app, oidc, store = self._build(strategy='single-identity')
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
await self._login(client, self.google, 'google')
|
|
r = await client.get('/google-profile')
|
|
self.assertEqual('g@example.com', r.text)
|
|
|
|
# Logging in with github replaces the google identity.
|
|
await self._login(client, self.github, 'github')
|
|
|
|
r = await client.get('/who')
|
|
self.assertEqual('github', r.text)
|
|
r = await client.get('/google-profile', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
self.assertEqual('/auth/google/login', r.headers['Location'])
|
|
r = await client.get('/github-profile')
|
|
self.assertEqual('h@example.com', r.text)
|
|
|
|
data = store._data[client.cookies['session_id']]
|
|
self.assertNotIn('oidc:google:user', data)
|
|
self.assertNotIn('oidc:google:id_token', data)
|
|
self.assertIn('oidc:github:user', data)
|
|
|
|
@async_test
|
|
async def test_single_identity_last_completed_login_wins(self) -> None:
|
|
app, oidc, store = self._build(strategy='single-identity')
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
# Start both flows before completing either one; pending flow state
|
|
# is not evicted, so both callbacks can complete.
|
|
r = await client.get('/auth/google/login', follow_redirects=False)
|
|
google_query = parse_qs(urlparse(r.headers['Location']).query)
|
|
r = await client.get('/auth/github/login', follow_redirects=False)
|
|
github_query = parse_qs(urlparse(r.headers['Location']).query)
|
|
|
|
self.google.nonce = google_query['nonce'][0]
|
|
self.github.nonce = github_query['nonce'][0]
|
|
|
|
await self._complete_login(client, 'google', google_query['state'][0])
|
|
await self._complete_login(client, 'github', github_query['state'][0])
|
|
|
|
r = await client.get('/who')
|
|
self.assertEqual('github', r.text)
|
|
|
|
@async_test
|
|
async def test_standalone_mixins_default_to_single_identity(self) -> None:
|
|
google = MockOIDCProvider('google', sub='g-sub', email='g@example.com')
|
|
github = MockOIDCProvider('github', sub='h-sub', email='h@example.com')
|
|
google_config, google_http = self._provider_config(google, 'google')
|
|
github_config, github_http = self._provider_config(github, 'github')
|
|
|
|
session = SessionMixin(InMemorySessionStore())
|
|
google_mixin = OIDCMixin(
|
|
replace(google_config, login_path='/google/login', callback_path='/google/callback', logout_path='/google/logout'),
|
|
session=session,
|
|
)
|
|
github_mixin = OIDCMixin(
|
|
replace(github_config, login_path='/github/login', callback_path='/github/callback', logout_path='/github/logout'),
|
|
session=session,
|
|
)
|
|
app = KayaApp(mixins=[session, google_mixin, github_mixin])
|
|
|
|
self.assertEqual('single-identity', google_mixin.strategy)
|
|
|
|
@app.GET('/g')
|
|
@google_mixin.require_auth
|
|
async def g(ctx: HttpContext) -> None:
|
|
await ctx.send_str(200, 'google')
|
|
|
|
@app.GET('/h')
|
|
@github_mixin.require_auth
|
|
async def h(ctx: HttpContext) -> None:
|
|
await ctx.send_str(200, 'github')
|
|
|
|
transport = httpx.ASGITransport(app=app)
|
|
async with httpx.AsyncClient(transport=transport, base_url='http://127.0.0.1:80') as client:
|
|
r = await client.get('/google/login', follow_redirects=False)
|
|
query = parse_qs(urlparse(r.headers['Location']).query)
|
|
google.nonce = query['nonce'][0]
|
|
r = await client.get('/google/callback', params={'code': 'c', 'state': query['state'][0]}, follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
r = await client.get('/g')
|
|
self.assertEqual('google', r.text)
|
|
|
|
r = await client.get('/github/login', follow_redirects=False)
|
|
query = parse_qs(urlparse(r.headers['Location']).query)
|
|
github.nonce = query['nonce'][0]
|
|
r = await client.get('/github/callback', params={'code': 'c', 'state': query['state'][0]}, follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
|
|
r = await client.get('/g', follow_redirects=False)
|
|
self.assertEqual(302, r.status_code)
|
|
r = await client.get('/h')
|
|
self.assertEqual('github', r.text)
|
|
|
|
def test_default_strategy_is_single_identity(self) -> None:
|
|
provider = MockOIDCProvider()
|
|
config, http = self._provider_config(provider, 'google')
|
|
session = SessionMixin(InMemorySessionStore())
|
|
|
|
providers = OIDCProviders([config], session=session)
|
|
self.assertEqual('single-identity', providers.strategy)
|
|
|
|
mixin = OIDCMixin(config, session=session)
|
|
self.assertEqual('single-identity', mixin.strategy)
|
|
|
|
def test_invalid_strategy_rejected(self) -> None:
|
|
provider = MockOIDCProvider()
|
|
config, http = self._provider_config(provider, 'google')
|
|
session = SessionMixin(InMemorySessionStore())
|
|
with self.assertRaises(ValueError):
|
|
OIDCMixin(config, session=session, strategy='bogus')
|
|
with self.assertRaises(ValueError):
|
|
OIDCProviders([config], session=session, strategy='bogus')
|
|
|
|
def test_config_rejects_invalid_provider(self) -> None:
|
|
with self.assertRaises(ValueError):
|
|
OIDCConfig(
|
|
issuer='https://issuer.local',
|
|
client_id='client',
|
|
redirect_uri='http://localhost/callback',
|
|
provider='bad:name',
|
|
)
|
|
|
|
def test_providers_reject_duplicates(self) -> None:
|
|
config = OIDCConfig(
|
|
issuer='https://issuer.local',
|
|
client_id='client',
|
|
redirect_uri='http://localhost/callback',
|
|
)
|
|
session = SessionMixin(InMemorySessionStore())
|
|
with self.assertRaises(ValueError):
|
|
OIDCProviders([config, config], session=session)
|
|
|
|
def test_providers_require_at_least_one_config(self) -> None:
|
|
session = SessionMixin(InMemorySessionStore())
|
|
with self.assertRaises(ValueError):
|
|
OIDCProviders([], session=session)
|
|
|
|
def test_providers_reject_bad_base_path(self) -> None:
|
|
config = OIDCConfig(
|
|
issuer='https://issuer.local',
|
|
client_id='client',
|
|
redirect_uri='http://localhost/callback',
|
|
)
|
|
session = SessionMixin(InMemorySessionStore())
|
|
with self.assertRaises(ValueError):
|
|
OIDCProviders([config], session=session, base_path='auth')
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|