89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
from datetime import datetime, timedelta
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from typing import Optional, Union
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import uuid
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from sqlalchemy.orm import Session
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from app.core.config import settings
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from app.models.user import User
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from app.schemas.user import UserCreate
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# Password hashing
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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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"""Verify a password against its hash."""
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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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"""Hash a password."""
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return pwd_context.hash(password)
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def create_access_token(
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subject: Union[str, int], expires_delta: timedelta = None
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) -> str:
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"""Create a JWT access token."""
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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 = {"exp": expire, "sub": str(subject)}
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encoded_jwt = jwt.encode(to_encode, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
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return encoded_jwt
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def verify_token(token: str) -> Optional[str]:
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"""Verify a JWT token and return the subject."""
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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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token_data = payload.get("sub")
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return token_data
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except JWTError:
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return None
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def authenticate_user(db: Session, username: str, password: str) -> Optional[User]:
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"""Authenticate a user with username and password."""
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user = db.query(User).filter(User.username == username).first()
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if not user:
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return None
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if not verify_password(password, user.hashed_password):
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return None
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return user
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def get_user_by_username(db: Session, username: str) -> Optional[User]:
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"""Get user by username."""
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return db.query(User).filter(User.username == username).first()
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def get_user_by_email(db: Session, email: str) -> Optional[User]:
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"""Get user by email."""
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return db.query(User).filter(User.email == email).first()
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def create_user(db: Session, user: UserCreate) -> User:
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"""Create a new user."""
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hashed_password = get_password_hash(user.password)
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db_user = User(
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id=str(uuid.uuid4()),
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username=user.username,
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email=user.email,
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hashed_password=hashed_password,
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is_active=True,
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is_superuser=False,
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)
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db.add(db_user)
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db.commit()
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db.refresh(db_user)
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return db_user |