103 lines
2.5 KiB
Python
103 lines
2.5 KiB
Python
"""
|
|
Common dependencies for routers.
|
|
"""
|
|
|
|
|
|
from fastapi import Depends, HTTPException, status
|
|
from fastapi.security import OAuth2PasswordBearer
|
|
|
|
from ..config import Config, Settings
|
|
from ..db import Device, User
|
|
|
|
oauth2_scheme = OAuth2PasswordBearer(
|
|
tokenUrl=f"{Settings._.api_v1_prefix}/user/authenticate"
|
|
)
|
|
|
|
|
|
class Responses:
|
|
"""
|
|
Just a namespace.
|
|
|
|
Describes API response status codes.
|
|
"""
|
|
|
|
OK = {
|
|
"content": None,
|
|
}
|
|
INSTALLED = {
|
|
"description": "kiwi-vpn already installed",
|
|
"content": None,
|
|
}
|
|
NOT_INSTALLED = {
|
|
"description": "kiwi-vpn not installed",
|
|
"content": None,
|
|
}
|
|
NEEDS_USER = {
|
|
"description": "Must be logged in",
|
|
"content": None,
|
|
}
|
|
NEEDS_PERMISSION = {
|
|
"description": "You're not allowed that operation",
|
|
"content": None,
|
|
}
|
|
ENTRY_EXISTS = {
|
|
"description": "Entry exists in database",
|
|
"content": None,
|
|
}
|
|
ENTRY_DOESNT_EXIST = {
|
|
"description": "Entry does not exist in database",
|
|
"content": None,
|
|
}
|
|
|
|
|
|
async def get_current_user(
|
|
token: str = Depends(oauth2_scheme),
|
|
current_config: Config | None = Depends(Config.load),
|
|
) -> User:
|
|
"""
|
|
Get the currently logged-in user if it exists.
|
|
"""
|
|
|
|
# can't connect to an unconfigured database
|
|
if current_config is None:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST)
|
|
|
|
username = await current_config.jwt.decode_token(token)
|
|
|
|
# fail if not requested by a user
|
|
if (user := User.get(username)) is None:
|
|
# don't use error 404 here: possible user enumeration
|
|
raise HTTPException(status_code=status.HTTP_403_FORBIDDEN)
|
|
|
|
return user
|
|
|
|
|
|
async def get_user_by_name(
|
|
user_name: str,
|
|
current_config: Config | None = Depends(Config.load),
|
|
) -> User | None:
|
|
"""
|
|
Get a user by name.
|
|
"""
|
|
|
|
# can't connect to an unconfigured database
|
|
if current_config is None:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST)
|
|
|
|
return User.get(user_name)
|
|
|
|
|
|
async def get_device_by_id(
|
|
device_id: int,
|
|
current_config: Config | None = Depends(Config.load),
|
|
) -> Device | None:
|
|
|
|
# can't connect to an unconfigured database
|
|
if current_config is None:
|
|
raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST)
|
|
|
|
# fail if device doesn't exist
|
|
if (device := Device.get(device_id)) is None:
|
|
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
|
|
|
|
return device
|