Files
ChatBot/services/auth_service.py
2025-10-07 09:36:42 +02:00

60 lines
2.2 KiB
Python

"""Frontend Flask application module."""
import logging
from typing import Any, Dict, Optional
from database.interface import DatabaseInterface
from utils.password_utils import PasswordUtils
from utils.validation import ValidationUtils
logger = logging.getLogger(__name__)
class AuthService:
def __init__(self, database: DatabaseInterface):
self.db = database
def authenticate(
self, email: str, password: str
) -> tuple[bool, Optional[Dict[str, Any]], str]:
if not ValidationUtils.validate_email(email):
return False, None, "Invalid email format"
if not password:
return False, None, "Password is required"
try:
# User holen
user = self.db.get_user_by_email(email.lower())
if not user:
logger.warning(
f"Authentication failed: user not found for email {email}"
)
return False, None, "Invalid email or password"
# Passwort prüfen
stored_hash = user.get("password_hash")
if not stored_hash:
logger.error(f"No password hash found for user {email}")
return False, None, "Authentication error"
# Einfacher Hash-Vergleich (für Rückwärtskompatibilität)
entered_hash = PasswordUtils.hash_password_simple(password)
if entered_hash == stored_hash:
logger.info(f"Authentication successful for user: {email}")
# Sensible Daten nicht zurückgeben
safe_user_data = {
"id": user["id"],
"username": user["username"],
"email": user["email"],
"created_at": user.get("created_at"),
}
return True, safe_user_data, "Authentication successful"
else:
logger.warning(
f"Authentication failed: wrong password for email {email}"
)
return False, None, "Invalid email or password"
except Exception as e:
logger.error(f"Authentication error for email {email}: {e}")
return False, None, "Authentication error"