lnbits-legend/lnbits/decorators.py
fiatjaf f01028eac7 migrate from flask to quart.
also remove all flaskiness from static file serving.
and reference all vendored scripts on the base tempĺate for simplicity.
2020-09-14 16:03:25 -03:00

98 lines
3.0 KiB
Python

from cerberus import Validator # type: ignore
from quart import g, abort, jsonify, request
from functools import wraps
from http import HTTPStatus
from typing import List, Union
from uuid import UUID
from lnbits.core.crud import get_user, get_wallet_for_key
from lnbits.settings import LNBITS_ALLOWED_USERS
def api_check_wallet_key(key_type: str = "invoice"):
def wrap(view):
@wraps(view)
async def wrapped_view(**kwargs):
try:
g.wallet = get_wallet_for_key(request.headers["X-Api-Key"], key_type)
except KeyError:
return (
jsonify({"message": "`X-Api-Key` header missing."}),
HTTPStatus.BAD_REQUEST,
)
if not g.wallet:
return jsonify({"message": "Wrong keys."}), HTTPStatus.UNAUTHORIZED
return await view(**kwargs)
return wrapped_view
return wrap
def api_validate_post_request(*, schema: dict):
def wrap(view):
@wraps(view)
async def wrapped_view(**kwargs):
if "application/json" not in request.headers["Content-Type"]:
return (
jsonify({"message": "Content-Type must be `application/json`."}),
HTTPStatus.BAD_REQUEST,
)
v = Validator(schema)
data = await request.get_json()
g.data = {key: data[key] for key in schema.keys() if key in data}
if not v.validate(g.data):
return (
jsonify({"message": f"Errors in request data: {v.errors}"}),
HTTPStatus.BAD_REQUEST,
)
return await view(**kwargs)
return wrapped_view
return wrap
def check_user_exists(param: str = "usr"):
def wrap(view):
@wraps(view)
async def wrapped_view(**kwargs):
g.user = get_user(request.args.get(param, type=str)) or abort(HTTPStatus.NOT_FOUND, "User does not exist.")
if LNBITS_ALLOWED_USERS and g.user.id not in LNBITS_ALLOWED_USERS:
abort(HTTPStatus.UNAUTHORIZED, "User not authorized.")
return await view(**kwargs)
return wrapped_view
return wrap
def validate_uuids(params: List[str], *, required: Union[bool, List[str]] = False, version: int = 4):
def wrap(view):
@wraps(view)
async def wrapped_view(**kwargs):
query_params = {param: request.args.get(param, type=str) for param in params}
for param, value in query_params.items():
if not value and (required is True or (required and param in required)):
abort(HTTPStatus.BAD_REQUEST, f"`{param}` is required.")
if value:
try:
UUID(value, version=version)
except ValueError:
abort(HTTPStatus.BAD_REQUEST, f"`{param}` is not a valid UUID.")
return await view(**kwargs)
return wrapped_view
return wrap