mirror of
https://github.com/open-webui/open-webui
synced 2024-11-16 21:42:58 +00:00
150 lines
3.9 KiB
Python
150 lines
3.9 KiB
Python
import logging
|
|
import uuid
|
|
from datetime import UTC, datetime, timedelta
|
|
from typing import Optional, Union
|
|
|
|
import jwt
|
|
from open_webui.apps.webui.models.users import Users
|
|
from open_webui.constants import ERROR_MESSAGES
|
|
from open_webui.env import WEBUI_SECRET_KEY
|
|
from fastapi import Depends, HTTPException, Request, Response, status
|
|
from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
|
|
from passlib.context import CryptContext
|
|
|
|
logging.getLogger("passlib").setLevel(logging.ERROR)
|
|
|
|
|
|
SESSION_SECRET = WEBUI_SECRET_KEY
|
|
ALGORITHM = "HS256"
|
|
|
|
##############
|
|
# Auth Utils
|
|
##############
|
|
|
|
bearer_security = HTTPBearer(auto_error=False)
|
|
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
|
|
|
|
|
|
def verify_password(plain_password, hashed_password):
|
|
return (
|
|
pwd_context.verify(plain_password, hashed_password) if hashed_password else None
|
|
)
|
|
|
|
|
|
def get_password_hash(password):
|
|
return pwd_context.hash(password)
|
|
|
|
|
|
def create_token(data: dict, expires_delta: Union[timedelta, None] = None) -> str:
|
|
payload = data.copy()
|
|
|
|
if expires_delta:
|
|
expire = datetime.now(UTC) + expires_delta
|
|
payload.update({"exp": expire})
|
|
|
|
encoded_jwt = jwt.encode(payload, SESSION_SECRET, algorithm=ALGORITHM)
|
|
return encoded_jwt
|
|
|
|
|
|
def decode_token(token: str) -> Optional[dict]:
|
|
try:
|
|
decoded = jwt.decode(token, SESSION_SECRET, algorithms=[ALGORITHM])
|
|
return decoded
|
|
except Exception:
|
|
return None
|
|
|
|
|
|
def extract_token_from_auth_header(auth_header: str):
|
|
return auth_header[len("Bearer ") :]
|
|
|
|
|
|
def create_api_key():
|
|
key = str(uuid.uuid4()).replace("-", "")
|
|
return f"sk-{key}"
|
|
|
|
|
|
def get_http_authorization_cred(auth_header: str):
|
|
try:
|
|
scheme, credentials = auth_header.split(" ")
|
|
return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials)
|
|
except Exception:
|
|
raise ValueError(ERROR_MESSAGES.INVALID_TOKEN)
|
|
|
|
|
|
def get_current_user(
|
|
request: Request,
|
|
auth_token: HTTPAuthorizationCredentials = Depends(bearer_security),
|
|
):
|
|
token = None
|
|
|
|
if auth_token is not None:
|
|
token = auth_token.credentials
|
|
|
|
if token is None and "token" in request.cookies:
|
|
token = request.cookies.get("token")
|
|
|
|
if token is None:
|
|
raise HTTPException(status_code=403, detail="Not authenticated")
|
|
|
|
# auth by api key
|
|
if token.startswith("sk-"):
|
|
return get_current_user_by_api_key(token)
|
|
|
|
# auth by jwt token
|
|
|
|
try:
|
|
data = decode_token(token)
|
|
except Exception as e:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="Invalid token",
|
|
)
|
|
|
|
if data is not None and "id" in data:
|
|
user = Users.get_user_by_id(data["id"])
|
|
if user is None:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail=ERROR_MESSAGES.INVALID_TOKEN,
|
|
)
|
|
else:
|
|
Users.update_user_last_active_by_id(user.id)
|
|
return user
|
|
else:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail=ERROR_MESSAGES.UNAUTHORIZED,
|
|
)
|
|
|
|
|
|
def get_current_user_by_api_key(api_key: str):
|
|
user = Users.get_user_by_api_key(api_key)
|
|
|
|
if user is None:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail=ERROR_MESSAGES.INVALID_TOKEN,
|
|
)
|
|
else:
|
|
Users.update_user_last_active_by_id(user.id)
|
|
|
|
return user
|
|
|
|
|
|
def get_verified_user(user=Depends(get_current_user)):
|
|
if user.role not in {"user", "admin"}:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
|
|
)
|
|
return user
|
|
|
|
|
|
def get_admin_user(user=Depends(get_current_user)):
|
|
if user.role != "admin":
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
|
|
)
|
|
return user
|