dify/api/controllers/openapi/auth/pipeline.py

42 lines
1.1 KiB
Python

"""Pipeline IS the auth scheme.
`Pipeline.guard(scope=…)` is the only attachment point for endpoints —
that is the design lock-in: forgetting an auth layer is structurally
impossible because there is no "sometimes wrap, sometimes don't" choice.
"""
from __future__ import annotations
from functools import wraps
from flask import request
from controllers.openapi.auth.context import Context, Step
from libs.oauth_bearer import Scope
class Pipeline:
def __init__(self, *steps: Step) -> None:
self._steps = steps
def run(self, ctx: Context) -> None:
for step in self._steps:
step(ctx)
def guard(self, *, scope: Scope):
def decorator(view):
@wraps(view)
def decorated(*args, **kwargs):
ctx = Context(request=request, required_scope=scope)
self.run(ctx)
kwargs.update(
app_model=ctx.app,
caller=ctx.caller,
caller_kind=ctx.caller_kind,
)
return view(*args, **kwargs)
return decorated
return decorator