132 lines
3.9 KiB
Python

from collections.abc import Callable
from functools import wraps
from typing import Optional, ParamSpec, TypeVar, cast
from flask import current_app, request
from flask_login import user_logged_in
from flask_restx import reqparse
from pydantic import BaseModel
from sqlalchemy.orm import Session
from core.file.constants import DEFAULT_SERVICE_API_USER_ID
from extensions.ext_database import db
from libs.login import current_user
from models.account import Tenant
from models.model import EndUser
P = ParamSpec("P")
R = TypeVar("R")
def get_user(tenant_id: str, user_id: str | None) -> EndUser:
"""
Get current user
NOTE: user_id is not trusted, it could be maliciously set to any value.
As a result, it could only be considered as an end user id.
"""
try:
with Session(db.engine) as session:
if not user_id:
user_id = DEFAULT_SERVICE_API_USER_ID
user_model = (
session.query(EndUser)
.where(
EndUser.session_id == user_id,
EndUser.tenant_id == tenant_id,
)
.first()
)
if not user_model:
user_model = EndUser(
tenant_id=tenant_id,
type="service_api",
is_anonymous=user_id == DEFAULT_SERVICE_API_USER_ID,
session_id=user_id,
)
session.add(user_model)
session.commit()
session.refresh(user_model)
except Exception:
raise ValueError("user not found")
return user_model
def get_user_tenant(view: Optional[Callable[P, R]] = None):
def decorator(view_func: Callable[P, R]):
@wraps(view_func)
def decorated_view(*args: P.args, **kwargs: P.kwargs):
# fetch json body
parser = reqparse.RequestParser()
parser.add_argument("tenant_id", type=str, required=True, location="json")
parser.add_argument("user_id", type=str, required=True, location="json")
p = parser.parse_args()
user_id = cast(str, p.get("user_id"))
tenant_id = cast(str, p.get("tenant_id"))
if not tenant_id:
raise ValueError("tenant_id is required")
if not user_id:
user_id = DEFAULT_SERVICE_API_USER_ID
try:
tenant_model = (
db.session.query(Tenant)
.where(
Tenant.id == tenant_id,
)
.first()
)
except Exception:
raise ValueError("tenant not found")
if not tenant_model:
raise ValueError("tenant not found")
kwargs["tenant_model"] = tenant_model
user = get_user(tenant_id, user_id)
kwargs["user_model"] = user
current_app.login_manager._update_request_context_with_user(user) # type: ignore
user_logged_in.send(current_app._get_current_object(), user=current_user) # type: ignore
return view_func(*args, **kwargs)
return decorated_view
if view is None:
return decorator
else:
return decorator(view)
def plugin_data(view: Optional[Callable[P, R]] = None, *, payload_type: type[BaseModel]):
def decorator(view_func: Callable[P, R]):
def decorated_view(*args: P.args, **kwargs: P.kwargs):
try:
data = request.get_json()
except Exception:
raise ValueError("invalid json")
try:
payload = payload_type(**data)
except Exception as e:
raise ValueError(f"invalid payload: {str(e)}")
kwargs["payload"] = payload
return view_func(*args, **kwargs)
return decorated_view
if view is None:
return decorator
else:
return decorator(view)