Boris Kovalskii
86 lines
4.1 KiB
Python
86 lines
4.1 KiB
Python
import hashlib
|
|
from aiohttp import web
|
|
from logger import logger
|
|
from config import KASSAI_SHOP_ID, KASSAI_SECRET_KEY
|
|
from database import add_payment, async_session_maker, get_payment_by_payment_id, update_balance, update_payment_status
|
|
from handlers.payments.utils import send_payment_success_notification
|
|
|
|
|
|
def verify_kassai_signature(data: dict, signature: str) -> bool:
|
|
try:
|
|
sign_string = f"{KASSAI_SHOP_ID}:{data.get('AMOUNT', '')}:{KASSAI_SECRET_KEY}:{data.get('MERCHANT_ORDER_ID', '')}"
|
|
expected_signature = hashlib.md5(sign_string.encode("utf-8")).hexdigest()
|
|
result = signature.upper() == expected_signature.upper()
|
|
if not result:
|
|
logger.error(f"KassaAI signature mismatch. Expected: {expected_signature}, Got: {signature}")
|
|
logger.error(f"Sign string: {sign_string}")
|
|
else:
|
|
logger.info("KassaAI webhook: подпись успешно проверена")
|
|
return result
|
|
except Exception as e:
|
|
logger.error(f"Ошибка проверки подписи KassaAI: {e}")
|
|
return False
|
|
|
|
|
|
async def kassai_webhook(request: web.Request):
|
|
try:
|
|
data = await request.post()
|
|
logger.info(f"KassaAI webhook received: {dict(data)}")
|
|
signature = data.get('SIGN', '')
|
|
if not signature:
|
|
logger.error("KassaAI webhook: отсутствует подпись")
|
|
return web.Response(status=400)
|
|
if not verify_kassai_signature(data, signature):
|
|
logger.error("KassaAI webhook: неверная подпись")
|
|
return web.Response(status=400)
|
|
|
|
amount_raw = data.get('AMOUNT')
|
|
order_id = data.get('MERCHANT_ORDER_ID')
|
|
|
|
if not amount_raw or not order_id:
|
|
logger.error("KassaAI webhook: отсутствуют обязательные параметры")
|
|
return web.Response(status=400)
|
|
|
|
amount = float(amount_raw)
|
|
|
|
try:
|
|
tg_id = int(order_id.split('_')[1])
|
|
except (IndexError, ValueError) as e:
|
|
logger.error(f"KassaAI webhook: не удалось извлечь tg_id из order_id {order_id}: {e}")
|
|
return web.Response(status=400)
|
|
|
|
logger.info(f"KassaAI: успешный платёж {order_id} на сумму {amount} RUB для пользователя {tg_id}")
|
|
|
|
async with async_session_maker() as session:
|
|
payment = await get_payment_by_payment_id(session, order_id)
|
|
if payment:
|
|
if payment.get("status") == "success":
|
|
logger.info(f"KassaAI: платёж {order_id} уже обработан")
|
|
return web.Response(text="OK")
|
|
ok = await update_payment_status(session=session, internal_id=int(payment["id"]), new_status="success")
|
|
if not ok:
|
|
logger.error(f"KassaAI: не удалось обновить статус платежа {order_id}")
|
|
return web.Response(status=500)
|
|
await update_balance(session, tg_id, amount)
|
|
await send_payment_success_notification(tg_id, amount, session)
|
|
await session.commit()
|
|
else:
|
|
await add_payment(
|
|
session=session,
|
|
tg_id=tg_id,
|
|
amount=amount,
|
|
payment_system="KASSAI",
|
|
status="success",
|
|
currency="RUB",
|
|
payment_id=order_id,
|
|
metadata=None,
|
|
)
|
|
await update_balance(session, tg_id, amount)
|
|
await send_payment_success_notification(tg_id, amount, session)
|
|
await session.commit()
|
|
logger.info(f"KassaAI: платёж {order_id} успешно обработан, баланс пользователя {tg_id} пополнен на {amount} RUB")
|
|
return web.Response(text="OK")
|
|
except Exception as e:
|
|
logger.error(f"Ошибка обработки KassaAI webhook: {e}")
|
|
return web.Response(status=500)
|