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import time
import json
from sqlalchemy import Column, String, Boolean, Text, Integer
from sqlalchemy.ext.hybrid import hybrid_property
from authlib.oauth2.rfc6749 import (
ClientMixin,
TokenMixin,
AuthorizationCodeMixin,
)
from authlib.oauth2.rfc6749.util import scope_to_list, list_to_scope
from authlib.oidc.core import AuthorizationCodeMixin as OIDCCodeMixin
class OAuth2ClientMixin(ClientMixin):
client_id = Column(String(48), index=True)
client_secret = Column(String(120))
issued_at = Column(Integer, nullable=False, default=lambda: int(time.time()))
expires_at = Column(Integer, nullable=False, default=0)
redirect_uri = Column(Text)
token_endpoint_auth_method = Column(String(48), default="client_secret_basic")
grant_type = Column(Text, nullable=False, default="")
response_type = Column(Text, nullable=False, default="")
scope = Column(Text, nullable=False, default="")
client_name = Column(String(100))
client_uri = Column(Text)
logo_uri = Column(Text)
contact = Column(Text)
tos_uri = Column(Text)
policy_uri = Column(Text)
jwks_uri = Column(Text)
jwks_text = Column(Text)
i18n_metadata = Column(Text)
software_id = Column(String(36))
software_version = Column(String(48))
def __repr__(self):
return "<Client: {}>".format(self.client_id)
@hybrid_property
def redirect_uris(self):
if self.redirect_uri:
return self.redirect_uri.splitlines()
return []
@redirect_uris.setter
def redirect_uris(self, value):
self.redirect_uri = "\n".join(value)
@hybrid_property
def grant_types(self):
if self.grant_type:
return self.grant_type.splitlines()
return []
@grant_types.setter
def grant_types(self, value):
self.grant_type = "\n".join(value)
@hybrid_property
def response_types(self):
if self.response_type:
return self.response_type.splitlines()
return []
@response_types.setter
def response_types(self, value):
self.response_type = "\n".join(value)
@hybrid_property
def contacts(self):
if self.contact:
return json.loads(self.contact)
return []
@contacts.setter
def contacts(self, value):
self.contact = json.dumps(value)
@hybrid_property
def jwks(self):
if self.jwks_text:
return json.loads(self.jwks_text)
return None
@jwks.setter
def jwks(self, value):
self.jwks_text = json.dumps(value)
@hybrid_property
def client_metadata(self):
"""Implementation for Client Metadata in OAuth 2.0 Dynamic Client
Registration Protocol via `Section 2`_.
.. _`Section 2`: https://tools.ietf.org/html/rfc7591#section-2
"""
keys = [
"redirect_uris",
"token_endpoint_auth_method",
"grant_types",
"response_types",
"client_name",
"client_uri",
"logo_uri",
"scope",
"contacts",
"tos_uri",
"policy_uri",
"jwks_uri",
"jwks",
]
metadata = {k: getattr(self, k) for k in keys}
if self.i18n_metadata:
metadata.update(json.loads(self.i18n_metadata))
return metadata
@client_metadata.setter
def client_metadata(self, value):
i18n_metadata = {}
for k in value:
if hasattr(self, k):
setattr(self, k, value[k])
elif "#" in k:
i18n_metadata[k] = value[k]
self.i18n_metadata = json.dumps(i18n_metadata)
@property
def client_info(self):
"""Implementation for Client Info in OAuth 2.0 Dynamic Client
Registration Protocol via `Section 3.2.1`_.
.. _`Section 3.2.1`: https://tools.ietf.org/html/rfc7591#section-3.2.1
"""
return dict(
client_id=self.client_id,
client_secret=self.client_secret,
client_id_issued_at=self.issued_at,
client_secret_expires_at=self.expires_at,
)
def get_client_id(self):
return self.client_id
def get_default_redirect_uri(self):
if self.redirect_uris:
return self.redirect_uris[0]
def get_allowed_scope(self, scope):
if not scope:
return ""
allowed = set(self.scope.split())
scopes = scope_to_list(scope)
return list_to_scope([s for s in scopes if s in allowed])
def check_redirect_uri(self, redirect_uri):
return redirect_uri in self.redirect_uris
def has_client_secret(self):
return bool(self.client_secret)
def check_client_secret(self, client_secret):
return self.client_secret == client_secret
def check_token_endpoint_auth_method(self, method):
return self.token_endpoint_auth_method == method
def check_response_type(self, response_type):
if self.response_type:
return response_type in self.response_types
return False
def check_grant_type(self, grant_type):
if self.grant_type:
return grant_type in self.grant_types
return False
class OAuth2AuthorizationCodeMixin(AuthorizationCodeMixin):
code = Column(String(120), unique=True, nullable=False)
client_id = Column(String(48))
redirect_uri = Column(Text, default="")
response_type = Column(Text, default="")
scope = Column(Text, default="")
auth_time = Column(Integer, nullable=False, default=lambda: int(time.time()))
def is_expired(self):
return self.auth_time + 300 < time.time()
def get_redirect_uri(self):
return self.redirect_uri
def get_scope(self):
return self.scope
def get_auth_time(self):
return self.auth_time
class OIDCAuthorizationCodeMixin(OAuth2AuthorizationCodeMixin, OIDCCodeMixin):
nonce = Column(Text)
def get_nonce(self):
return self.nonce
class OAuth2TokenMixin(TokenMixin):
client_id = Column(String(48))
token_type = Column(String(40))
access_token = Column(String(255), unique=True, nullable=False)
refresh_token = Column(String(255), index=True)
scope = Column(Text, default="")
revoked = Column(Boolean, default=False)
issued_at = Column(Integer, nullable=False, default=lambda: int(time.time()))
expires_in = Column(Integer, nullable=False, default=0)
def get_client_id(self):
return self.client_id
def get_scope(self):
return self.scope
def get_expires_in(self):
return self.expires_in
def get_expires_at(self):
return self.issued_at + self.expires_in
def create_query_client_func(session, client_model):
"""Create an ``query_client`` function that can be used in authorization
server.
:param session: SQLAlchemy session
:param client_model: Client model class
"""
def query_client(client_id):
q = session.query(client_model)
return q.filter_by(client_id=client_id).first()
return query_client
def create_save_token_func(session, token_model):
"""Create an ``save_token`` function that can be used in authorization
server.
:param session: SQLAlchemy session
:param token_model: Token model class
"""
def save_token(token, request):
if request.user:
user_id = request.user.get_user_id()
else:
user_id = None
client = request.client
item = token_model(client_id=client.client_id, user_id=user_id, **token)
session.add(item)
session.commit()
return save_token
def create_query_token_func(session, token_model):
"""Create an ``query_token`` function for revocation, introspection
token endpoints.
:param session: SQLAlchemy session
:param token_model: Token model class
"""
def query_token(token, token_type_hint, client):
q = session.query(token_model)
q = q.filter_by(client_id=client.client_id, revoked=False)
if token_type_hint == "access_token":
return q.filter_by(access_token=token).first()
elif token_type_hint == "refresh_token":
return q.filter_by(refresh_token=token).first()
# without token_type_hint
item = q.filter_by(access_token=token).first()
if item:
return item
return q.filter_by(refresh_token=token).first()
return query_token
def create_revocation_endpoint(session, token_model):
"""Create a revocation endpoint class with SQLAlchemy session
and token model.
:param session: SQLAlchemy session
:param token_model: Token model class
"""
from authlib.oauth2.rfc7009 import RevocationEndpoint
query_token = create_query_token_func(session, token_model)
class _RevocationEndpoint(RevocationEndpoint):
def query_token(self, token, token_type_hint, client):
return query_token(token, token_type_hint, client)
def revoke_token(self, token):
token.revoked = True
session.add(token)
session.commit()
return _RevocationEndpoint
def create_bearer_token_validator(session, token_model):
"""Create an bearer token validator class with SQLAlchemy session
and token model.
:param session: SQLAlchemy session
:param token_model: Token model class
"""
from authlib.oauth2.rfc6750 import BearerTokenValidator
class _BearerTokenValidator(BearerTokenValidator):
def authenticate_token
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