53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
from datetime import datetime, timedelta
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from typing import Optional
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from passlib.context import CryptContext
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from jose import JWTError, jwt
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from app.config import settings
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from app.models import User
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from sqlalchemy.orm import Session
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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return pwd_context.hash(password)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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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(
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minutes=settings.access_token_expire_minutes
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)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(
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to_encode, settings.jwt_secret_key, algorithm=settings.jwt_algorithm
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)
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return encoded_jwt
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def verify_token(token: str) -> Optional[int]:
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try:
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payload = jwt.decode(
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token, settings.jwt_secret_key, algorithms=[settings.jwt_algorithm]
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)
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user_id: int = payload.get("sub")
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if user_id is None:
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return None
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return user_id
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except JWTError:
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return None
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def authenticate_user(db: Session, email: str, password: str) -> Optional[User]:
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user = db.query(User).filter(User.email == email).first()
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if not user or not verify_password(password, user.hashed_password):
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return None
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return user
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