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allow BYO auth backend #269

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allow BYO auth backend #269

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34 changes: 24 additions & 10 deletions piccolo_admin/endpoints.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,8 @@
from starlette.requests import Request
from starlette.responses import HTMLResponse, JSONResponse
from starlette.staticfiles import StaticFiles
from starlette.authentication import AuthCredentials, AuthenticationBackend, AuthenticationError, SimpleUser
from piccolo_api.shared.auth import UnauthenticatedUser, User

from .translations.data import TRANSLATIONS
from .translations.models import (
Expand Down Expand Up @@ -358,6 +360,7 @@ def __init__(
translations: t.List[Translation] = None,
allowed_hosts: t.Sequence[str] = [],
debug: bool = False,
auth_backend: t.Optional[AuthenticationBackend] = None,
) -> None:
super().__init__(
title=site_name,
Expand Down Expand Up @@ -653,16 +656,25 @@ def __init__(
app=StaticFiles(directory=os.path.join(ASSET_PATH, "js")),
)

auth_middleware = partial(
AuthenticationMiddleware,
backend=SessionsAuthBackend(
auth_table=auth_table,
session_table=session_table,
admin_only=True,
increase_expiry=increase_expiry,
),
on_error=handle_auth_exception,
)


if auth_backend:
auth_middleware = partial(
AuthenticationMiddleware,
backend=auth_backend,
on_error=handle_auth_exception,
)
else:
auth_middleware = partial(
AuthenticationMiddleware,
backend=SessionsAuthBackend(
auth_table=auth_table,
session_table=session_table,
admin_only=True,
increase_expiry=increase_expiry,
),
on_error=handle_auth_exception,
)

self.mount(path="/api", app=auth_middleware(private_app))
self.mount(path="/public", app=public_app)
Expand Down Expand Up @@ -952,6 +964,7 @@ def create_admin(
auto_include_related: bool = True,
allowed_hosts: t.Sequence[str] = [],
debug: bool = False,
auth_backend: t.Optional[AuthenticationBackend] = None,
):
"""
:param tables:
Expand Down Expand Up @@ -1099,4 +1112,5 @@ def create_admin(
translations=translations,
allowed_hosts=allowed_hosts,
debug=debug,
auth_backend=auth_backend
)