Zakhar Izmaylov
218 lines
8.1 KiB
Python
218 lines
8.1 KiB
Python
import base64
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from datetime import datetime
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import aiohttp
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import asyncpg
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from aiohttp import web
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from config import DATABASE_URL, PROJECT_NAME, SUB_MESSAGE, TRANSITION_DATE_STR
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from database import get_servers_from_db
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from logger import logger
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async def fetch_url_content(url, tg_id):
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try:
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logger.info(f"Получение URL: {url} для tg_id: {tg_id}")
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timeout = aiohttp.ClientTimeout(total=5)
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async with aiohttp.ClientSession(timeout=timeout) as session:
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async with session.get(url, ssl=False) as response:
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if response.status == 200:
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content = await response.text()
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logger.info(f"Успешно получен контент с {url} для tg_id: {tg_id}")
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return base64.b64decode(content).decode("utf-8").split("\n")
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else:
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logger.error(
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f"Не удалось получить {url} для tg_id: {tg_id}, статус: {response.status}"
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)
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return []
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except asyncio.TimeoutError:
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logger.error(f"Таймаут при получении {url} для tg_id: {tg_id}")
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return []
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except Exception as e:
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logger.error(f"Ошибка при получении {url} для tg_id: {tg_id}: {e}")
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return []
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async def combine_unique_lines(urls, tg_id, query_string):
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all_lines = []
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logger.info(
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f"Начинаем объединение подписок для tg_id: {tg_id}, запрос: {query_string}"
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)
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urls_with_query = [f"{url}?{query_string}" for url in urls]
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logger.info(f"Составлены URL-адреса: {urls_with_query}")
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for url in urls_with_query:
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lines = await fetch_url_content(url, tg_id)
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all_lines.extend(lines)
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all_lines = list(set(filter(None, all_lines)))
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logger.info(
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f"Объединено {len(all_lines)} строк после фильтрации и удаления дубликатов для tg_id: {tg_id}"
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)
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return all_lines
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transition_date = datetime.strptime(TRANSITION_DATE_STR, "%Y-%m-%d %H:%M:%S")
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transition_timestamp_ms = int(transition_date.timestamp() * 1000)
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transition_timestamp_ms_adjusted = transition_timestamp_ms - (3 * 60 * 60 * 1000)
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logger.info(
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f"Время перехода (с поправкой на часовой пояс): {transition_timestamp_ms_adjusted}"
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)
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async def handle_old_subscription(request):
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email = request.match_info.get("email")
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if not email:
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logger.warning("Получен запрос без email")
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return web.Response(
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text="❌ Неверные параметры запроса. Требуется email.",
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status=400,
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)
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logger.info(f"Обработка запроса для старого клиента с email: {email}")
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conn = await asyncpg.connect(DATABASE_URL)
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try:
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key_info = await conn.fetchrow(
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"SELECT created_at, server_id FROM keys WHERE email = $1", email
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)
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if not key_info:
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logger.warning(f"Клиент с email {email} не найден в базе.")
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return web.Response(
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text="❌ Клиент с таким email не найден.",
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status=404,
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)
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created_at_ms = key_info["created_at"]
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cluster_name = key_info.get("server_id")
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if not cluster_name:
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logger.warning(f"У клиента с email {email} отсутствует cluster_name.")
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return web.Response(
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text="❌ Устаревшие данные. Обратитесь в поддержку.",
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status=400,
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)
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logger.info(
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f"Значение created_at для клиента с email {email}: {created_at_ms}, кластер: {cluster_name}"
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)
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created_at_datetime = datetime.utcfromtimestamp(created_at_ms / 1000)
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logger.info(
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f"Время создания клиента в формате datetime (UTC): {created_at_datetime}"
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)
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if created_at_ms >= transition_timestamp_ms_adjusted:
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logger.info(f"Клиент с email {email} является новым.")
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return web.Response(
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text="❌ Эта ссылка устарела. Пожалуйста, обновите ссылку.",
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status=400,
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)
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servers = await get_servers_from_db()
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cluster_servers = servers.get(cluster_name, [])
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logger.info(f"Сервера в кластере: {cluster_servers}")
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urls = []
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for server in cluster_servers:
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server_subscription_url = f"{server['subscription_url']}/{email}"
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urls.append(server_subscription_url)
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combined_subscriptions = await combine_unique_lines(urls, email, "")
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base64_encoded = base64.b64encode(
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"\n".join(combined_subscriptions).encode("utf-8")
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).decode("utf-8")
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encoded_project_name = f"{PROJECT_NAME} - {SUB_MESSAGE}"
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headers = {
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"Content-Type": "text/plain; charset=utf-8",
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"Content-Disposition": "inline",
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"profile-update-interval": "7",
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"profile-title": "base64:"
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+ base64.b64encode(encoded_project_name.encode("utf-8")).decode("utf-8"),
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}
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logger.info(f"Возвращаем объединенные подписки для email: {email}")
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return web.Response(text=base64_encoded, headers=headers)
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finally:
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await conn.close()
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async def handle_new_subscription(request):
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email = request.match_info.get("email")
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tg_id = request.match_info.get("tg_id")
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if not email or not tg_id:
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logger.warning("Получен запрос с отсутствующими параметрами email или tg_id")
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return web.Response(
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text="❌ Неверные параметры запроса. Требуются email и tg_id.",
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status=400,
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)
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logger.info(f"Обработка запроса для нового клиента: email={email}, tg_id={tg_id}")
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conn = await asyncpg.connect(DATABASE_URL)
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try:
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client_data = await conn.fetchrow(
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"SELECT tg_id, server_id FROM keys WHERE email = $1", email
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)
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if not client_data:
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logger.warning(f"Клиент с email {email} не найден в базе.")
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return web.Response(
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text="❌ Клиент с таким email не найден.",
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status=404,
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)
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stored_tg_id = client_data["tg_id"]
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cluster_name = client_data["server_id"]
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if str(tg_id) != str(stored_tg_id):
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logger.warning(f"Неверный tg_id для клиента с email {email}.")
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return web.Response(
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text="❌ Неверные данные. Получите свой ключ в боте.",
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status=403,
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)
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finally:
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await conn.close()
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servers = await get_servers_from_db()
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cluster_servers = servers.get(cluster_name, [])
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urls = []
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for server in cluster_servers:
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server_subscription_url = f"{server['subscription_url']}/{email}"
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urls.append(server_subscription_url)
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query_string = request.query_string
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logger.info(f"Извлечен query string: {query_string}")
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combined_subscriptions = await combine_unique_lines(urls, tg_id, query_string)
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base64_encoded = base64.b64encode(
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"\n".join(combined_subscriptions).encode("utf-8")
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).decode("utf-8")
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encoded_project_name = f"{PROJECT_NAME} - {SUB_MESSAGE}"
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headers = {
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"Content-Type": "text/plain; charset=utf-8",
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"Content-Disposition": "inline",
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"profile-update-interval": "7",
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"profile-title": "base64:"
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+ base64.b64encode(encoded_project_name.encode("utf-8")).decode("utf-8"),
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}
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logger.info(f"Возвращаем объединенные подписки для email: {email}")
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return web.Response(text=base64_encoded, headers=headers)
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