mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-29 10:18:10 +00:00
83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
#
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# Copyright (C) 2020 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import re
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from fastapi import Request, Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from gns3server import schemas
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from gns3server.db.repositories.users import UsersRepository
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from gns3server.db.repositories.rbac import RbacRepository
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from gns3server.services import auth_service
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from .database import get_repository
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/v3/users/login")
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async def get_user_from_token(
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token: str = Depends(oauth2_scheme), user_repo: UsersRepository = Depends(get_repository(UsersRepository))
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) -> schemas.User:
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username = auth_service.get_username_from_token(token)
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user = await user_repo.get_user_by_username(username)
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if user is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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return user
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async def get_current_active_user(
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request: Request,
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current_user: schemas.User = Depends(get_user_from_token),
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rbac_repo: RbacRepository = Depends(get_repository(RbacRepository))
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) -> schemas.User:
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# Super admin is always authorized
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if current_user.is_superadmin:
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return current_user
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if not current_user.is_active:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Not an active user",
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headers={"WWW-Authenticate": "Bearer"},
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)
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# remove the prefix (e.g. "/v3") from URL path
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match = re.search(r"^(/v[0-9]+).*", request.url.path)
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if match:
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path = request.url.path[len(match.group(1)):]
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else:
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path = request.url.path
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# special case: always authorize access to the "/users/me" endpoint
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if path == "/users/me":
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return current_user
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authorized = await rbac_repo.check_user_is_authorized(current_user.user_id, request.method, path)
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if not authorized:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=f"User is not authorized '{current_user.user_id}' on {request.method} '{path}'",
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headers={"WWW-Authenticate": "Bearer"},
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)
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return current_user
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