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import pytest
from authlib.common.urls import url_decode
from authlib.common.urls import urlparse
from authlib.jose import jwt
from authlib.oauth2.rfc6749.grants import (
AuthorizationCodeGrant as _AuthorizationCodeGrant,
)
from authlib.oauth2.rfc9068 import JWTBearerTokenGenerator
from tests.util import read_file_path
from ..models import CodeGrantMixin
from ..models import User
from ..models import save_authorization_code
issuer = "https://authlib.test/"
@pytest.fixture
def user(db):
user = User(username="foo")
db.session.add(user)
db.session.commit()
yield user
db.session.delete(user)
@pytest.fixture
def client(client, db):
client.set_client_metadata(
{
"scope": "profile",
"redirect_uris": ["https://client.test/authorized"],
"response_types": ["code"],
"token_endpoint_auth_method": "client_secret_post",
"grant_types": ["authorization_code"],
}
)
db.session.add(client)
db.session.commit()
return client
@pytest.fixture
def jwks():
return read_file_path("jwks_private.json")
@pytest.fixture(autouse=True)
def server(server):
server.register_grant(AuthorizationCodeGrant)
return server
@pytest.fixture(autouse=True)
def token_generator(server, jwks):
class MyJWTBearerTokenGenerator(JWTBearerTokenGenerator):
def get_jwks(self):
return jwks
token_generator = MyJWTBearerTokenGenerator(issuer=issuer)
server.register_token_generator("default", token_generator)
return token_generator
class AuthorizationCodeGrant(CodeGrantMixin, _AuthorizationCodeGrant):
TOKEN_ENDPOINT_AUTH_METHODS = ["client_secret_basic", "client_secret_post", "none"]
def save_authorization_code(self, code, request):
return save_authorization_code(code, request)
def test_generate_jwt_access_token(test_client, client, user, jwks):
res = test_client.post(
"/oauth/authorize",
data={
"response_type": client.response_types[0],
"client_id": client.client_id,
"redirect_uri": client.redirect_uris[0],
"scope": client.scope,
"user_id": user.id,
},
)
params = dict(url_decode(urlparse.urlparse(res.location).query))
code = params["code"]
res = test_client.post(
"/oauth/token",
data={
"grant_type": "authorization_code",
"code": code,
"client_id": client.client_id,
"client_secret": client.client_secret,
"scope": " ".join(client.scope),
"redirect_uri": client.redirect_uris[0],
},
)
access_token = res.json["access_token"]
claims = jwt.decode(access_token, jwks)
assert claims["iss"] == issuer
assert claims["sub"] == user.id
assert claims["scope"] == client.scope
assert claims["client_id"] == client.client_id
# This specification registers the 'application/at+jwt' media type, which can
# be used to indicate that the content is a JWT access token. JWT access tokens
# MUST include this media type in the 'typ' header parameter to explicitly
# declare that the JWT represents an access token complying with this profile.
# Per the definition of 'typ' in Section 4.1.9 of [RFC7515], it is RECOMMENDED
# that the 'application/' prefix be omitted. Therefore, the 'typ' value used
# SHOULD be 'at+jwt'.
assert claims.header["typ"] == "at+jwt"
def test_generate_jwt_access_token_extra_claims(
test_client, token_generator, user, client, jwks
):
"""Authorization servers MAY return arbitrary attributes not defined in any
existing specification, as long as the corresponding claim names are collision
resistant or the access tokens are meant to be used only within a private
subsystem. Please refer to Sections 4.2 and 4.3 of [RFC7519] for details.
"""
def get_extra_claims(client, grant_type, user, scope):
return {"username": user.username}
token_generator.get_extra_claims = get_extra_claims
res = test_client.post(
"/oauth/authorize",
data={
"response_type": client.response_types[0],
"client_id": client.client_id,
"redirect_uri": client.redirect_uris[0],
"scope": client.scope,
"user_id": user.id,
},
)
params = dict(url_decode(urlparse.urlparse(res.location).query))
code = params["code"]
res = test_client.post(
"/oauth/token",
data={
"grant_type": "authorization_code",
"code": code,
"client_id": client.client_id,
"client_secret": client.client_secret,
"scope": " ".join(client.scope),
"redirect_uri": client.redirect_uris[0],
},
)
access_token = res.json["access_token"]
claims = jwt.decode(access_token, jwks)
assert claims["username"] == user.username
@pytest.mark.skip
def test_generate_jwt_access_token_no_user(test_client, client, user, jwks):
res = test_client.post(
"/oauth/authorize",
data={
"response_type": client.response_types[0],
"client_id": client.client_id,
"redirect_uri": client.redirect_uris[0],
"scope": client.scope,
#'user_id': user.id,
},
)
params = dict(url_decode(urlparse.urlparse(res.location).query))
code = params["code"]
res = test_client.post(
"/oauth/token",
data={
"grant_type": "authorization_code",
"code": code,
"client_id": client.client_id,
"client_secret": client.client_secret,
"scope": " ".join(client.scope),
"redirect_uri": client.redirect_uris[0],
},
)
access_token = res.json["access_token"]
claims = jwt.decode(access_token, jwks)
assert claims["sub"] == client.client_id
def test_optional_fields(test_client, token_generator, user, client, jwks):
token_generator.get_auth_time = lambda *args: 1234
token_generator.get_amr = lambda *args: "amr"
token_generator.get_acr = lambda *args: "acr"
res = test_client.post(
"/oauth/authorize",
data={
"response_type": client.response_types[0],
"client_id": client.client_id,
"redirect_uri": client.redirect_uris[0],
"scope": client.scope,
"user_id": user.id,
},
)
params = dict(url_decode(urlparse.urlparse(res.location).query))
code = params["code"]
res = test_client.post(
"/oauth/token",
data={
"grant_type": "authorization_code",
"code": code,
"client_id": client.client_id,
"client_secret": client.client_secret,
"scope": " ".join(client.scope),
"redirect_uri": client.redirect_uris[0],
},
)
access_token = res.json["access_token"]
claims = jwt.decode(access_token, jwks)
assert claims["auth_time"] == 1234
assert claims["amr"] == "amr"
assert claims["acr"] == "acr"
|
