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from passlib.context import CryptContext |
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from fastapi.security import OAuth2PasswordBearer |
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from fastapi import Depends, HTTPException |
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from datetime import timedelta, datetime |
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from jose import JWTError, jwt |
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from core.config import get_settings |
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from sqlalchemy.orm import Session |
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from core.database import get_db |
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settings = get_settings() |
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto") |
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oauth2scheme = OAuth2PasswordBearer(tokenUrl="auth/token/") |
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def get_password_hash(password): |
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return pwd_context.hash(password) |
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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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async def create_access_token(data:dict, expiry:timedelta): |
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payload = data.copy() |
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expire = datetime.utcnow() + expiry |
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payload.update({"exp": expire}) |
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token = jwt.encode(payload, |
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settings.JWT_SECRET_KEY, |
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algorithm=settings.JWT_ALGORITHM) |
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return token |
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async def create_refresh_token(data:dict): |
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payload = data.copy() |
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token = jwt.encode(payload, |
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settings.JWT_SECRET_KEY, |
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algorithm=settings.JWT_ALGORITHM) |
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return token |
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def get_token_payload(token:str): |
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try: |
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payload = jwt.decode(token, |
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settings.JWT_SECRET_KEY, |
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algorithms=[settings.JWT_ALGORITHM]) |
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return payload |
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except JWTError: |
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return None |
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async def get_current_user(token: str = Depends(oauth2scheme), db: Session = Depends(get_db)): |
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from users.services import get_user_by_email |
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try: |
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payload = get_token_payload(token) |
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email = payload.get("sub") |
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if email is None: |
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raise HTTPException(status_code=401, |
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detail="Invalid Token", |
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headers={"WWW-Authenticate": "Bearer"}) |
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except JWTError: |
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raise HTTPException(status_code=401, |
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detail="Invalid Token", |
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headers={"WWW-Authenticate": "Bearer"} |
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) |
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user = get_user_by_email(email, db=db) |
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if user is None: |
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raise HTTPException(status_code=401, |
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detail="User not found", |
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headers={"WWW-Authenticate": "Bearer"} |
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) |
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return user |
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