141 lines
4.9 KiB
Python
141 lines
4.9 KiB
Python
from datetime import datetime, timedelta
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from typing import Annotated
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from pymongo import MongoClient
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from ..models import users, token
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from ..dependencies import database, cookie
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from authlib.integrations.starlette_client import OAuth
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import httpx, os
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SECRET_KEY = "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7"
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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oauth = OAuth()
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oauth.register(
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name="google",
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client_id=os.environ["GOOGLE_CLIENT_ID"],
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client_secret=os.environ["GOOGLE_CLIENT_SECRET"],
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authorize_url="https://accounts.google.com/o/oauth2/auth",
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access_token_url="https://oauth2.googleapis.com/token",
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client_kwargs={"scope": "openid email profile"},
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)
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oauth.register(
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name="facebook",
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client_id=os.environ["FACEBOOK_CLIENT_ID"],
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client_secret=os.environ["FACEBOOK_CLIENT_SECRET"],
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authorize_url="https://www.facebook.com/v12.0/dialog/oauth",
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access_token_url="https://graph.facebook.com/v12.0/oauth/access_token",
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client_kwargs={"scope": "email public_profile"},
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)
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oauth2_scheme = cookie.OAuth2PasswordBearerWithCookie(tokenUrl="token")
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def create_access_token(data: dict, expires_delta: timedelta | None = None):
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to_encode = data.copy()
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expire = datetime.utcnow() + (expires_delta or timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES))
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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async def authenticate_oauth(provider: str, token: str):
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"""Validate OAuth token and get user info."""
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if provider == "google":
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url = f"https://www.googleapis.com/oauth2/v3/userinfo?access_token={token}"
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elif provider == "facebook":
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url = f"https://graph.facebook.com/me?fields=id,name,email,picture&access_token={token}"
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else:
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raise HTTPException(status_code=400, detail="Unsupported provider")
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async with httpx.AsyncClient() as client:
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response = await client.get(url)
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if response.status_code != 200:
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raise HTTPException(status_code=400, detail="Invalid OAuth token")
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user_info = response.json()
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email = user_info.get("email")
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if not email:
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raise HTTPException(status_code=400, detail="Email not provided by provider")
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user_repository = users.UserRepository(database=database.database)
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user = user_repository.find_one_by({'email': email})
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if not user:
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user = users.User(
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username=email,
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email=email,
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profile_picture=user_info.get("picture", {}).get("data", {}).get("url", ""),
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status=1,
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)
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user_repository.save(user)
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return user
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def verify_password(plain_password, hashed_password):
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password):
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return pwd_context.hash(password)
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def get_user(username: str):
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user_repository = users.UserRepository(database=database.database)
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user = user_repository.find_one_by({'username': username})
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return user
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def authenticate_user(username: str, password: str):
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user = get_user(username)
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if not user:
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return False
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if not verify_password(password, user.password):
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return False
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user.connected_at = datetime.today()
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user_repository = users.UserRepository(database=database.database)
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user_repository.save(user)
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return user
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def create_access_token(data: dict, expires_delta: timedelta | None = None):
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=15)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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async def get_current_user(token_str: Annotated[str, Depends(oauth2_scheme)]):
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credentials_exception = 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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try:
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payload = jwt.decode(token_str, SECRET_KEY, algorithms=[ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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raise credentials_exception
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token_data = token.TokenData(username=username)
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except JWTError:
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raise credentials_exception
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user = get_user(token_data.username)
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if user is None:
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raise credentials_exception
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return user
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async def get_current_active_user(
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current_user: Annotated[users.User, Depends(get_current_user)]
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):
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if current_user.status == 0:
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raise HTTPException(status_code=400, detail="Inactive user")
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return current_user |