mirror of
https://github.com/open-webui/open-webui
synced 2024-11-06 16:59:42 +00:00
142 lines
3.8 KiB
Python
142 lines
3.8 KiB
Python
import logging
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import uuid
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from datetime import UTC, datetime, timedelta
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from typing import Optional, Union
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import jwt
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from open_webui.apps.webui.models.users import Users
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from open_webui.constants import ERROR_MESSAGES
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from open_webui.env import WEBUI_SECRET_KEY
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from fastapi import Depends, HTTPException, Request, Response, status
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from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
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from passlib.context import CryptContext
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logging.getLogger("passlib").setLevel(logging.ERROR)
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SESSION_SECRET = WEBUI_SECRET_KEY
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ALGORITHM = "HS256"
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##############
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# Auth Utils
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##############
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bearer_security = HTTPBearer(auto_error=False)
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def verify_password(plain_password, hashed_password):
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return (
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pwd_context.verify(plain_password, hashed_password) if hashed_password else None
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)
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def get_password_hash(password):
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return pwd_context.hash(password)
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def create_token(data: dict, expires_delta: Union[timedelta, None] = None) -> str:
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payload = data.copy()
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if expires_delta:
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expire = datetime.now(UTC) + expires_delta
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payload.update({"exp": expire})
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encoded_jwt = jwt.encode(payload, SESSION_SECRET, algorithm=ALGORITHM)
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return encoded_jwt
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def decode_token(token: str) -> Optional[dict]:
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try:
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decoded = jwt.decode(token, SESSION_SECRET, algorithms=[ALGORITHM])
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return decoded
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except Exception:
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return None
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def extract_token_from_auth_header(auth_header: str):
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return auth_header[len("Bearer ") :]
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def create_api_key():
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key = str(uuid.uuid4()).replace("-", "")
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return f"sk-{key}"
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def get_http_authorization_cred(auth_header: str):
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try:
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scheme, credentials = auth_header.split(" ")
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return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials)
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except Exception:
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raise ValueError(ERROR_MESSAGES.INVALID_TOKEN)
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def get_current_user(
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request: Request,
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auth_token: HTTPAuthorizationCredentials = Depends(bearer_security),
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):
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token = None
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if auth_token is not None:
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token = auth_token.credentials
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if token is None and "token" in request.cookies:
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token = request.cookies.get("token")
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if token is None:
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raise HTTPException(status_code=403, detail="Not authenticated")
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# auth by api key
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if token.startswith("sk-"):
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return get_current_user_by_api_key(token)
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# auth by jwt token
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data = decode_token(token)
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if data is not None and "id" in data:
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user = Users.get_user_by_id(data["id"])
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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=ERROR_MESSAGES.INVALID_TOKEN,
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)
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else:
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Users.update_user_last_active_by_id(user.id)
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return user
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else:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=ERROR_MESSAGES.UNAUTHORIZED,
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)
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def get_current_user_by_api_key(api_key: str):
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user = Users.get_user_by_api_key(api_key)
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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=ERROR_MESSAGES.INVALID_TOKEN,
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)
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else:
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Users.update_user_last_active_by_id(user.id)
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return user
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def get_verified_user(user=Depends(get_current_user)):
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if user.role not in {"user", "admin"}:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
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)
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return user
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def get_admin_user(user=Depends(get_current_user)):
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if user.role != "admin":
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
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)
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return user
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