47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
from datetime import datetime, timedelta, timezone
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from typing import Optional
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from app.core.config import settings
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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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"""Verifica una password contro il suo 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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"""Genera l'hash di una password"""
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# bcrypt ha un limite di 72 byte, tronchiamo se necessario
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# Questo è sicuro perché 72 byte forniscono comunque entropia sufficiente
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if len(password.encode('utf-8')) > 72:
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password = password.encode('utf-8')[:72].decode('utf-8', errors='ignore')
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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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"""Crea un JWT token"""
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.now(timezone.utc) + expires_delta
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else:
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expire = datetime.now(timezone.utc) + 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(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
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return encoded_jwt
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def decode_access_token(token: str) -> Optional[dict]:
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"""Decodifica e valida un JWT token"""
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try:
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payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
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return payload
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except JWTError:
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return None
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