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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials |
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from fastapi import HTTPException, status, Depends, Request |
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from sqlalchemy.orm import Session |
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from apps.webui.models.users import Users |
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from pydantic import BaseModel |
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from typing import Union, Optional |
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from constants import ERROR_MESSAGES |
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from passlib.context import CryptContext |
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from datetime import datetime, timedelta |
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import requests |
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import jwt |
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import uuid |
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import logging |
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import config |
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logging.getLogger("passlib").setLevel(logging.ERROR) |
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SESSION_SECRET = config.WEBUI_SECRET_KEY |
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ALGORITHM = "HS256" |
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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.utcnow() + 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 as e: |
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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: |
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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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if token.startswith("sk-"): |
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return get_current_user_by_api_key(token) |
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data = decode_token(token) |
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if data != 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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