Files
sport-platform/backend/app/core/security.py
2026-03-16 12:12:56 +03:00

72 lines
2.0 KiB
Python

import hashlib
import hmac
import json
import time
from datetime import datetime, timedelta, timezone
from urllib.parse import parse_qs, unquote
import jwt
def verify_telegram_login(data: dict, bot_token: str) -> bool:
"""Verify data from Telegram Login Widget."""
data = dict(data)
check_hash = data.pop("hash", "")
if not check_hash:
return False
data_check_string = "\n".join(
f"{k}={v}" for k, v in sorted(data.items())
)
secret_key = hashlib.sha256(bot_token.encode()).digest()
computed = hmac.new(secret_key, data_check_string.encode(), hashlib.sha256).hexdigest()
if int(data.get("auth_date", 0)) < time.time() - 86400:
return False
return hmac.compare_digest(computed, check_hash)
def verify_telegram_webapp(init_data: str, bot_token: str) -> dict | None:
"""Verify Telegram WebApp initData and return parsed user dict."""
parsed = parse_qs(init_data)
data = {k: v[0] for k, v in parsed.items()}
check_hash = data.pop("hash", "")
if not check_hash:
return None
data_check_string = "\n".join(
f"{k}={v}" for k, v in sorted(data.items())
)
secret_key = hmac.new(b"WebAppData", bot_token.encode(), hashlib.sha256).digest()
computed = hmac.new(secret_key, data_check_string.encode(), hashlib.sha256).hexdigest()
if not hmac.compare_digest(computed, check_hash):
return None
user_raw = data.get("user")
if not user_raw:
return None
return json.loads(unquote(user_raw))
def create_access_token(
rider_id: str,
telegram_id: int,
secret: str,
algorithm: str,
expires_minutes: int,
) -> str:
payload = {
"sub": rider_id,
"tg_id": telegram_id,
"exp": datetime.now(timezone.utc) + timedelta(minutes=expires_minutes),
}
return jwt.encode(payload, secret, algorithm=algorithm)
def decode_access_token(token: str, secret: str, algorithm: str) -> dict:
return jwt.decode(token, secret, algorithms=[algorithm])