auth.pyā¢3.44 kB
from authlib.common.urls import add_params_to_qs
from .assertion import client_secret_jwt_sign
from .assertion import private_key_jwt_sign
from .client import ASSERTION_TYPE
class ClientSecretJWT:
"""Authentication method for OAuth 2.0 Client. This authentication
method is called ``client_secret_jwt``, which is using ``client_id``
and ``client_secret`` constructed with JWT to identify a client.
Here is an example of use ``client_secret_jwt`` with Requests Session::
from authlib.integrations.requests_client import OAuth2Session
token_endpoint = "https://example.com/oauth/token"
session = OAuth2Session(
"your-client-id",
"your-client-secret",
token_endpoint_auth_method="client_secret_jwt",
)
session.register_client_auth_method(ClientSecretJWT(token_endpoint))
session.fetch_token(token_endpoint)
:param token_endpoint: A string URL of the token endpoint
:param claims: Extra JWT claims
:param headers: Extra JWT headers
:param alg: ``alg`` value, default is HS256
"""
name = "client_secret_jwt"
alg = "HS256"
def __init__(self, token_endpoint=None, claims=None, headers=None, alg=None):
self.token_endpoint = token_endpoint
self.claims = claims
self.headers = headers
if alg is not None:
self.alg = alg
def sign(self, auth, token_endpoint):
return client_secret_jwt_sign(
auth.client_secret,
client_id=auth.client_id,
token_endpoint=token_endpoint,
claims=self.claims,
header=self.headers,
alg=self.alg,
)
def __call__(self, auth, method, uri, headers, body):
token_endpoint = self.token_endpoint
if not token_endpoint:
token_endpoint = uri
client_assertion = self.sign(auth, token_endpoint)
body = add_params_to_qs(
body or "",
[
("client_assertion_type", ASSERTION_TYPE),
("client_assertion", client_assertion),
],
)
return uri, headers, body
class PrivateKeyJWT(ClientSecretJWT):
"""Authentication method for OAuth 2.0 Client. This authentication
method is called ``private_key_jwt``, which is using ``client_id``
and ``private_key`` constructed with JWT to identify a client.
Here is an example of use ``private_key_jwt`` with Requests Session::
from authlib.integrations.requests_client import OAuth2Session
token_endpoint = "https://example.com/oauth/token"
session = OAuth2Session(
"your-client-id",
"your-client-private-key",
token_endpoint_auth_method="private_key_jwt",
)
session.register_client_auth_method(PrivateKeyJWT(token_endpoint))
session.fetch_token(token_endpoint)
:param token_endpoint: A string URL of the token endpoint
:param claims: Extra JWT claims
:param headers: Extra JWT headers
:param alg: ``alg`` value, default is RS256
"""
name = "private_key_jwt"
alg = "RS256"
def sign(self, auth, token_endpoint):
return private_key_jwt_sign(
auth.client_secret,
client_id=auth.client_id,
token_endpoint=token_endpoint,
claims=self.claims,
header=self.headers,
alg=self.alg,
)