yakpanel-core/YakPanel-server/backend/app/core/security.py

"""YakPanel - Security utilities"""
from datetime import datetime, timedelta
from typing import Optional
from jose import JWTError, jwt
from passlib.context import CryptContext
from app.core.config import get_settings

settings = get_settings()
# bcrypt_sha256: SHA-256 pre-hash then bcrypt (no 72-byte limit); bcrypt: verify legacy hashes
pwd_context = CryptContext(schemes=["bcrypt_sha256", "bcrypt"], deprecated="auto")


def verify_password(plain_password: str, hashed_password: str) -> bool:
    """Verify a password against its hash"""
    return pwd_context.verify(plain_password, hashed_password)


def get_password_hash(password: str) -> str:
    """Hash a password (uses bcrypt_sha256; bcrypt only supports 72 raw bytes)."""
    return pwd_context.hash(password)


def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
    """Create JWT access token"""
    to_encode = data.copy()
    if expires_delta:
        expire = datetime.utcnow() + expires_delta
    else:
        expire = datetime.utcnow() + timedelta(minutes=settings.access_token_expire_minutes)
    to_encode.update({"exp": expire})
    return jwt.encode(to_encode, settings.secret_key, algorithm=settings.algorithm)


def decode_token(token: str) -> Optional[dict]:
    """Decode and validate JWT token"""
    try:
        return jwt.decode(token, settings.secret_key, algorithms=[settings.algorithm])
    except JWTError:
        return None