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# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
# pylint: disable=import-outside-toplevel
import typing
from ariadne.asgi import GraphQL
from starlette.middleware.cors import CORSMiddleware
if typing.TYPE_CHECKING:
from fastapi import FastAPI
def graphql_init(app: 'FastAPI'):
from ..session import SessionState
from .libs.token_auth import get_user_context
state = SessionState()
# import after initializaion of state
from .bindings import generate_schema
schema = generate_schema()
in_spec = state.introspection
# remove route and reinstall below, for any changes; alternatively, test
# for config_diff before proceeding
graphql_clear(app)
if state.origins:
origins = state.origins
app.add_route(
'/graphql',
CORSMiddleware(
GraphQL(
schema,
context_value=get_user_context,
debug=True,
introspection=in_spec,
),
allow_origins=origins,
allow_methods=('GET', 'POST', 'OPTIONS'),
allow_headers=('Authorization',),
),
)
else:
app.add_route(
'/graphql',
GraphQL(
schema,
context_value=get_user_context,
debug=True,
introspection=in_spec,
),
)
def graphql_clear(app: 'FastAPI'):
for r in app.routes:
if r.path == '/graphql':
app.routes.remove(r)
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