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import pytest
from flask import current_app
from authlib.common.urls import add_params_to_uri
from authlib.common.urls import url_decode
from authlib.common.urls import urlparse
from authlib.jose import JsonWebToken
from authlib.oauth2.rfc6749.requests import BasicOAuth2Payload
from authlib.oauth2.rfc6749.requests import OAuth2Request
from authlib.oidc.core import ImplicitIDToken
from authlib.oidc.core.grants import OpenIDImplicitGrant as _OpenIDImplicitGrant
from .models import Client
from .models import exists_nonce
authorize_url = "/oauth/authorize?response_type=token&client_id=client-id"
@pytest.fixture(autouse=True)
def server(server):
class OpenIDImplicitGrant(_OpenIDImplicitGrant):
def get_jwt_config(self, client):
alg = current_app.config.get("OAUTH2_JWT_ALG", "HS256")
return dict(key="secret", alg=alg, iss="Authlib", exp=3600)
def generate_user_info(self, user, scopes):
return user.generate_user_info(scopes)
def exists_nonce(self, nonce, request):
return exists_nonce(nonce, request)
server.register_grant(OpenIDImplicitGrant)
return server
@pytest.fixture(autouse=True)
def client(client, db):
client.set_client_metadata(
{
"redirect_uris": ["https://client.test/callback"],
"scope": "openid profile",
"token_endpoint_auth_method": "none",
"response_types": ["id_token", "id_token token"],
}
)
db.session.add(client)
db.session.commit()
return client
def validate_claims(id_token, params, alg="HS256"):
jwt = JsonWebToken([alg])
claims = jwt.decode(
id_token, "secret", claims_cls=ImplicitIDToken, claims_params=params
)
claims.validate()
return claims
def test_consent_view(test_client):
rv = test_client.get(
add_params_to_uri(
"/oauth/authorize",
{
"response_type": "id_token",
"client_id": "client-id",
"scope": "openid profile",
"state": "foo",
"redirect_uri": "https://client.test/callback",
"user_id": "1",
},
)
)
assert "error=invalid_request" in rv.location
assert "nonce" in rv.location
def test_require_nonce(test_client):
rv = test_client.post(
"/oauth/authorize",
data={
"response_type": "id_token",
"client_id": "client-id",
"scope": "openid profile",
"state": "bar",
"redirect_uri": "https://client.test/callback",
"user_id": "1",
},
)
assert "error=invalid_request" in rv.location
assert "nonce" in rv.location
def test_missing_openid_in_scope(test_client):
rv = test_client.post(
"/oauth/authorize",
data={
"response_type": "id_token token",
"client_id": "client-id",
"scope": "profile",
"state": "bar",
"nonce": "abc",
"redirect_uri": "https://client.test/callback",
"user_id": "1",
},
)
assert "error=invalid_scope" in rv.location
def test_denied(test_client):
rv = test_client.post(
"/oauth/authorize",
data={
"response_type": "id_token",
"client_id": "client-id",
"scope": "openid profile",
"state": "bar",
"nonce": "abc",
"redirect_uri": "https://client.test/callback",
},
)
assert "error=access_denied" in rv.location
def test_authorize_access_token(test_client):
rv = test_client.post(
"/oauth/authorize",
data={
"response_type": "id_token token",
"client_id": "client-id",
"scope": "openid profile",
"state": "bar",
"nonce": "abc",
"redirect_uri": "https://client.test/callback",
"user_id": "1",
},
)
assert "access_token=" in rv.location
assert "id_token=" in rv.location
assert "state=bar" in rv.location
params = dict(url_decode(urlparse.urlparse(rv.location).fragment))
validate_claims(params["id_token"], params)
def test_authorize_id_token(test_client):
rv = test_client.post(
"/oauth/authorize",
data={
"response_type": "id_token",
"client_id": "client-id",
"scope": "openid profile",
"state": "bar",
"nonce": "abc",
"redirect_uri": "https://client.test/callback",
"user_id": "1",
},
)
assert "id_token=" in rv.location
assert "state=bar" in rv.location
params = dict(url_decode(urlparse.urlparse(rv.location).fragment))
validate_claims(params["id_token"], params)
def test_response_mode_query(test_client):
rv = test_client.post(
"/oauth/authorize",
data={
"response_type": "id_token",
"response_mode": "query",
"client_id": "client-id",
"scope": "openid profile",
"state": "bar",
"nonce": "abc",
"redirect_uri": "https://client.test/callback",
"user_id": "1",
},
)
assert "id_token=" in rv.location
assert "state=bar" in rv.location
params = dict(url_decode(urlparse.urlparse(rv.location).query))
validate_claims(params["id_token"], params)
def test_response_mode_form_post(test_client):
rv = test_client.post(
"/oauth/authorize",
data={
"response_type": "id_token",
"response_mode": "form_post",
"client_id": "client-id",
"scope": "openid profile",
"state": "bar",
"nonce": "abc",
"redirect_uri": "https://client.test/callback",
"user_id": "1",
},
)
assert b'name="id_token"' in rv.data
assert b'name="state"' in rv.data
def test_client_metadata_custom_alg(test_client, app, db, client):
"""If the client metadata 'id_token_signed_response_alg' is defined,
it should be used to sign id_tokens."""
client.set_client_metadata(
{
"redirect_uris": ["https://client.test/callback"],
"scope": "openid profile",
"token_endpoint_auth_method": "none",
"response_types": ["id_token", "id_token token"],
"id_token_signed_response_alg": "HS384",
}
)
db.session.add(client)
db.session.commit()
app.config["OAUTH2_JWT_ALG"] = None
rv = test_client.post(
"/oauth/authorize",
data={
"response_type": "id_token",
"client_id": "client-id",
"scope": "openid profile",
"state": "foo",
"redirect_uri": "https://client.test/callback",
"user_id": "1",
"nonce": "abc",
},
)
params = dict(url_decode(urlparse.urlparse(rv.location).fragment))
claims = validate_claims(params["id_token"], params, "HS384")
assert claims.header["alg"] == "HS384"
def test_client_metadata_alg_none(test_client, app, db, client):
"""The 'none' 'id_token_signed_response_alg' alg should be
forbidden in non implicit flows."""
client.set_client_metadata(
{
"redirect_uris": ["https://client.test/callback"],
"scope": "openid profile",
"token_endpoint_auth_method": "none",
"response_types": ["id_token", "id_token token"],
"id_token_signed_response_alg": "none",
}
)
db.session.add(client)
db.session.commit()
app.config["OAUTH2_JWT_ALG"] = None
rv = test_client.post(
"/oauth/authorize",
data={
"response_type": "id_token",
"client_id": "client-id",
"scope": "openid profile",
"state": "foo",
"redirect_uri": "https://client.test/callback",
"user_id": "1",
"nonce": "abc",
},
)
params = dict(url_decode(urlparse.urlparse(rv.location).fragment))
assert params["error"] == "invalid_request"
def test_deprecated_get_jwt_config_signature(user):
"""Using the old get_jwt_config(self) signature should emit a DeprecationWarning."""
class DeprecatedImplicitGrant(_OpenIDImplicitGrant):
def get_jwt_config(self):
return {"key": "secret", "alg": "HS256", "iss": "Authlib", "exp": 3600}
def generate_user_info(self, user, scopes):
return user.generate_user_info(scopes)
def exists_nonce(self, nonce, request):
return exists_nonce(nonce, request)
client = Client(
user_id=user.id,
client_id="deprecated-client",
client_secret="secret",
)
client.set_client_metadata(
{
"redirect_uris": ["https://client.test/callback"],
"scope": "openid profile",
"token_endpoint_auth_method": "none",
"response_types": ["id_token"],
}
)
request = OAuth2Request("POST", "https://server.test/authorize")
request.payload = BasicOAuth2Payload({"nonce": "test-nonce"})
request.client = client
request.user = user
grant = DeprecatedImplicitGrant(request, client)
token = {"scope": "openid", "expires_in": 3600}
with pytest.warns(DeprecationWarning, match="get_jwt_config.*version 1.8"):
grant.process_implicit_token(token)
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