forked from open-webui/open-webui
72 lines
2 KiB
Python
72 lines
2 KiB
Python
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
|
|
from fastapi import HTTPException, status, Depends
|
|
from apps.web.models.users import Users
|
|
from pydantic import BaseModel
|
|
from typing import Union, Optional
|
|
from constants import ERROR_MESSAGES
|
|
from passlib.context import CryptContext
|
|
from datetime import datetime, timedelta
|
|
import requests
|
|
import jwt
|
|
|
|
import config
|
|
|
|
JWT_SECRET_KEY = config.WEBUI_JWT_SECRET_KEY
|
|
ALGORITHM = "HS256"
|
|
|
|
##############
|
|
# Auth Utils
|
|
##############
|
|
|
|
bearer_scheme = HTTPBearer()
|
|
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.utcnow() + expires_delta
|
|
payload.update({"exp": expire})
|
|
|
|
encoded_jwt = jwt.encode(payload, JWT_SECRET_KEY, algorithm=ALGORITHM)
|
|
return encoded_jwt
|
|
|
|
|
|
def decode_token(token: str) -> Optional[dict]:
|
|
try:
|
|
decoded = jwt.decode(token, JWT_SECRET_KEY, options={"verify_signature": False})
|
|
return decoded
|
|
except Exception as e:
|
|
return None
|
|
|
|
|
|
def extract_token_from_auth_header(auth_header: str):
|
|
return auth_header[len("Bearer ") :]
|
|
|
|
|
|
def get_current_user(auth_token: HTTPAuthorizationCredentials = Depends(HTTPBearer())):
|
|
data = decode_token(auth_token.credentials)
|
|
if data != None and "email" in data:
|
|
user = Users.get_user_by_email(data["email"])
|
|
if user is None:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail=ERROR_MESSAGES.INVALID_TOKEN,
|
|
)
|
|
return user
|
|
else:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail=ERROR_MESSAGES.UNAUTHORIZED,
|
|
)
|