132 lines
3.8 KiB
Python
132 lines
3.8 KiB
Python
from authlib.integrations.flask_oauth2 import AuthorizationServer, ResourceProtector
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from authlib.integrations.sqla_oauth2 import (
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create_query_client_func,
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create_save_token_func,
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create_bearer_token_validator,
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)
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from authlib.oauth2.rfc6749.grants import (
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AuthorizationCodeGrant as _AuthorizationCodeGrant,
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)
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from authlib.oidc.core.grants import (
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OpenIDCode as _OpenIDCode,
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OpenIDImplicitGrant as _OpenIDImplicitGrant,
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OpenIDHybridGrant as _OpenIDHybridGrant,
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)
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from authlib.oidc.core import UserInfo
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from werkzeug.security import gen_salt
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from .extensions import db
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from .models import Client, AuthorizationCode, Token
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from .directory import LDAPUserProxy
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from flask import current_app as app
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DUMMY_JWT_CONFIG = {
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"key": "secret-key",
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"alg": "HS256",
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"iss": "https://sso.hackerspace.pl",
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"exp": 3600,
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}
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def exists_nonce(nonce, req):
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exists = AuthorizationCode.query.filter_by(
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client_id=req.client_id, nonce=nonce
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).first()
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return bool(exists)
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def generate_user_info(user, scope):
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return UserInfo(sub=str(user.get_user_id()), name=user.username)
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def create_authorization_code(client, grant_user, request):
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code = gen_salt(48)
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nonce = request.data.get("nonce")
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item = AuthorizationCode(
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code=code,
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client_id=client.client_id,
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redirect_uri=request.redirect_uri,
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scope=request.scope,
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user_id=grant_user.get_id(),
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nonce=nonce,
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)
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db.session.add(item)
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db.session.commit()
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return code
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class AuthorizationCodeGrant(_AuthorizationCodeGrant):
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def create_authorization_code(self, client, grant_user, request):
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return create_authorization_code(client, grant_user, request)
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def parse_authorization_code(self, code, client):
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item = AuthorizationCode.query.filter_by(
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code=code, client_id=client.client_id
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).first()
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if item and not item.is_expired():
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return item
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def delete_authorization_code(self, authorization_code):
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db.session.delete(authorization_code)
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db.session.commit()
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def authenticate_user(self, authorization_code):
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return LDAPUserProxy(authorization_code.user_id)
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class OpenIDCode(_OpenIDCode):
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def exists_nonce(self, nonce, request):
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return exists_nonce(nonce, request)
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def get_jwt_config(self, grant):
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return app.get('JWT_CONFIG')
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def generate_user_info(self, user, scope):
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return generate_user_info(user, scope)
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class ImplicitGrant(_OpenIDImplicitGrant):
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def exists_nonce(self, nonce, request):
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return exists_nonce(nonce, request)
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def get_jwt_config(self, grant):
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return app.get('JWT_CONFIG')
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def generate_user_info(self, user, scope):
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return generate_user_info(user, scope)
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class HybridGrant(_OpenIDHybridGrant):
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def create_authorization_code(self, client, grant_user, request):
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return create_authorization_code(client, grant_user, request)
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def exists_nonce(self, nonce, request):
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return exists_nonce(nonce, request)
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def get_jwt_config(self):
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return DUMMY_JWT_CONFIG
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def generate_user_info(self, user, scope):
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return generate_user_info(user, scope)
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authorization = AuthorizationServer()
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require_oauth = ResourceProtector()
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def config_oauth(app):
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query_client = create_query_client_func(db.session, Client)
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save_token = create_save_token_func(db.session, Token)
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authorization.init_app(app, query_client=query_client, save_token=save_token)
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# support all openid grants
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authorization.register_grant(
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AuthorizationCodeGrant, [OpenIDCode(require_nonce=False)]
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)
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authorization.register_grant(ImplicitGrant)
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authorization.register_grant(HybridGrant)
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# protect resource
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bearer_cls = create_bearer_token_validator(db.session, Token)
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require_oauth.register_token_validator(bearer_cls())
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