backend/utils/password_utils.py

from passlib.context import CryptContext

# Password hashing context
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")

def get_password_hash(password: str) -> str:
    """
    Hash a plain text password
    """
    # Truncate password to 72 bytes if needed (bcrypt limitation)
    if len(password.encode('utf-8')) > 72:
        password = password.encode('utf-8')[:72].decode('utf-8', errors='ignore')
    return pwd_context.hash(password)


def verify_password(plain_password: str, hashed_password: str) -> bool:
    """
    Verify a plain text password against its hash
    """
    # Truncate password to 72 bytes if needed (bcrypt limitation)
    if len(plain_password.encode('utf-8')) > 72:
        plain_password = plain_password.encode('utf-8')[:72].decode('utf-8', errors='ignore')
    return pwd_context.verify(plain_password, hashed_password)