Vladless
302 lines
12 KiB
Python
302 lines
12 KiB
Python
import asyncio
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import base64
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import random
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import re
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import time
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import urllib.parse
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import aiohttp
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from aiohttp import web
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from sqlalchemy.ext.asyncio import AsyncSession
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from config import (
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PROJECT_NAME,
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RANDOM_SUBSCRIPTIONS,
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SUPERNODE,
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SUPPORT_CHAT_URL,
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USERNAME_BOT,
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USE_COUNTRY_SELECTION,
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)
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from core.bootstrap import MODES_CONFIG
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from core.cache_config import (
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SUBSCRIPTION_HANDLER_CONCURRENCY,
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SUBSCRIPTION_RESPONSE_CACHE_TTL_SEC,
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)
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from core.redis_cache import cache_get, cache_key, cache_set
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from database import get_key_details, get_servers
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from database.servers import get_enabled_server_subscription_url
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from handlers.texts import HAPP_ANNOUNCE, HIDDIFY_PROFILE_TITLE, SUBSCRIPTION_INFO_TEXT, V2RAYTUN_ANNOUNCE
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from handlers.utils import convert_to_bytes
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from logger import logger
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_subscription_semaphore = asyncio.Semaphore(SUBSCRIPTION_HANDLER_CONCURRENCY)
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async def fetch_url_content(url: str, identifier: str) -> tuple[list[str], dict[str, str]]:
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try:
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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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lines = base64.b64decode(content).decode("utf-8").split("\n")
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headers = {k.lower(): v for k, v in response.headers.items()}
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logger.debug(f"Fetched {url}: {len(lines)} lines, headers: {headers}")
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return lines, headers
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return [], {}
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except Exception as e:
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logger.debug(f"Error fetching URL {url}: {e}")
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return [], {}
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async def combine_unique_lines(
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urls: list[str], identifier: str, query_string: str
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) -> tuple[list[str], list[dict[str, str]]]:
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if SUPERNODE:
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logger.info(f"Режим SUPERNODE активен. Возвращаем первую ссылку для идентификатора: {identifier}")
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if not urls:
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return [], []
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url_with_query = f"{urls[0]}?{query_string}" if query_string else urls[0]
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lines, headers = await fetch_url_content(url_with_query, identifier)
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return lines, [headers]
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urls_with_query = [f"{url}?{query_string}" if query_string else url for url in urls]
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tasks = [fetch_url_content(url, identifier) for url in urls_with_query]
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results = await asyncio.gather(*tasks, return_exceptions=True)
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all_lines = []
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all_headers = []
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for result in results:
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if isinstance(result, tuple):
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lines, headers = result
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for line in filter(None, lines):
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if line not in all_lines:
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all_lines.append(line)
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all_headers.append(headers)
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return all_lines, all_headers
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async def get_subscription_urls(
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server_id: str, email: str, session: AsyncSession, include_remnawave_key: str = None
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) -> list[str]:
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urls = []
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use_country_selection = bool(MODES_CONFIG.get("COUNTRY_SELECTION_ENABLED", USE_COUNTRY_SELECTION))
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if use_country_selection:
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server_data = await get_enabled_server_subscription_url(session, server_id)
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if server_data:
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urls.append(f"{server_data}/{email}")
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else:
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servers = await get_servers(session)
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cluster_servers = servers.get(server_id, [])
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for server in cluster_servers:
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if url := server.get("subscription_url"):
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urls.append(f"{url}/{email}")
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if include_remnawave_key:
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urls.append(include_remnawave_key)
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if RANDOM_SUBSCRIPTIONS:
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random.shuffle(urls)
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return urls
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def calculate_traffic(
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cleaned_subscriptions: list[str],
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expiry_time_ms: int | None,
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headers_list: list[dict[str, str]],
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) -> str:
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logger.debug(f"Calculating traffic with subscriptions: {cleaned_subscriptions}, headers: {headers_list}")
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expire_timestamp = int(expiry_time_ms / 1000) if expiry_time_ms else 0
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upload = 0
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download = 0
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total = 0
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for headers in headers_list:
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userinfo = headers.get("subscription-userinfo", "")
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if userinfo:
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parts = userinfo.split(";")
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for part in parts:
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part = part.strip()
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if part.startswith("upload="):
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upload += int(part.split("=")[1])
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elif part.startswith("download="):
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download += int(part.split("=")[1])
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elif part.startswith("total="):
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total += int(part.split("=")[1])
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logger.debug(f"Processed Subscription-Userinfo: {userinfo}")
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country_remaining = {}
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for line in cleaned_subscriptions:
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if "#" not in line:
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continue
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try:
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_, meta = line.split("#", 1)
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except ValueError:
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continue
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parts = meta.split("-")
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country = parts[0].strip()
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remaining_str = parts[1].strip() if len(parts) == 2 else ""
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if remaining_str:
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remaining_str = remaining_str.replace(",", ".")
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m_total = re.search(r"([\d\.]+)\s*([GMKTB]B)", remaining_str, re.IGNORECASE)
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if m_total:
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value = float(m_total.group(1))
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unit = m_total.group(2).upper()
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remaining_bytes = convert_to_bytes(value, unit)
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country_remaining[country] = remaining_bytes
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logger.debug(f"Found traffic: {value}{unit} for {country}")
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consumed_traffic_bytes = total - sum(country_remaining.values()) if country_remaining else download
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if consumed_traffic_bytes < 0:
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consumed_traffic_bytes = 0
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download = max(download, consumed_traffic_bytes)
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if download == 0 and total == 0 and not country_remaining:
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download = 1
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result = f"upload={upload}; download={download}; total={total}; expire={expire_timestamp}"
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logger.debug(f"Calculated subscription-userinfo: {result}")
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return result
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def clean_subscription_line(line: str) -> str:
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if "#" not in line:
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return line
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try:
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base, meta = line.split("#", 1)
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meta = urllib.parse.unquote(meta).strip()
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except ValueError:
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return line
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parts = meta.split("-")
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country = parts[0].strip() if parts else ""
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traffic = ""
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for part in parts[1:]:
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part_decoded = urllib.parse.unquote(part).strip()
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if re.search(r"\d+(?:[.,]\d+)?\s*(?:GB|MB|KB|TB)", part_decoded, re.IGNORECASE):
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traffic = part_decoded
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break
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meta_clean = f"{country} - {traffic}" if traffic else country
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return base + "#" + meta_clean
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def format_time_left(expiry_time_ms: int | None) -> str:
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if not expiry_time_ms:
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return "N/A"
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now_ms = int(time.time() * 1000)
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remaining_sec = max((expiry_time_ms - now_ms) / 1000, 0)
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days = int(remaining_sec // 86400)
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hours = int((remaining_sec % 86400) // 3600)
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return f"{days}D,{hours}H ⏳" if days else f"{hours}H ⏳"
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def prepare_headers(
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user_agent: str,
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project_name: str,
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subscription_info: str,
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subscription_userinfo: str,
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) -> dict[str, str]:
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if "Happ" in user_agent:
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encoded_project_name = f"{project_name}"
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announce_str = HAPP_ANNOUNCE.format(subscription_info=subscription_info)
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return {
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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": "3",
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"profile-title": "base64:" + base64.b64encode(encoded_project_name.encode("utf-8")).decode("utf-8"),
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"support-url": SUPPORT_CHAT_URL,
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"announce": "base64:" + base64.b64encode(announce_str.encode("utf-8")).decode("utf-8"),
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"profile-web-page-url": f"https://t.me/{USERNAME_BOT}",
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"subscription-userinfo": subscription_userinfo,
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}
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elif "Hiddify" in user_agent:
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parts = subscription_info.split(" - ")[0].split(": ")
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key_info = parts[1] if len(parts) > 1 else parts[0]
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encoded_project_name = HIDDIFY_PROFILE_TITLE.format(project_name=project_name, key_info=key_info)
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return {
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"profile-update-interval": "3",
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"profile-title": "base64:" + base64.b64encode(encoded_project_name.encode("utf-8")).decode("utf-8"),
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"subscription-userinfo": subscription_userinfo,
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}
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elif "v2raytun" in user_agent:
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encoded_project_name = f"{project_name}\n{subscription_info}"
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announce_str = V2RAYTUN_ANNOUNCE
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return {
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"Content-Type": "text/plain; charset=utf-8",
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"Content-Disposition": "inline",
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"update-always": "true",
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"announce": "base64:" + base64.b64encode(announce_str.encode("utf-8")).decode("utf-8"),
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"announce-url": f"{SUPPORT_CHAT_URL}",
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"profile-title": "base64:" + base64.b64encode(encoded_project_name.encode("utf-8")).decode("utf-8"),
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"subscription-userinfo": subscription_userinfo,
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}
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else:
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encoded_project_name = f"{project_name}\n{subscription_info}"
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return {
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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": "3",
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"profile-title": "base64:" + base64.b64encode(encoded_project_name.encode("utf-8")).decode("utf-8"),
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}
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async def handle_subscription(request: web.Request) -> web.Response:
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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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return web.Response(text="❌ Неверные параметры запроса.", status=400)
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cache_key_sub = cache_key("sub_response", email, tg_id)
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cached = await cache_get(cache_key_sub)
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if isinstance(cached, dict) and "b" in cached and "h" in cached:
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return web.Response(text=cached["b"], headers=cached["h"])
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sessionmaker = request.app["sessionmaker"]
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async with _subscription_semaphore:
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async with sessionmaker() as session:
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try:
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key = await get_key_details(session, email)
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if not key:
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return web.Response(text="❌ Клиент с таким email не найден.", status=404)
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if int(tg_id) != int(key["tg_id"]):
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return web.Response(text="❌ Неверные данные. Получите свой ключ в боте.", status=403)
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expiry_time_ms = key["expiry_time"]
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server_id = key["server_id"]
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remnawave_link = key["remnawave_link"]
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time_left = format_time_left(expiry_time_ms)
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urls = await get_subscription_urls(server_id, email, session, include_remnawave_key=remnawave_link)
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if not urls:
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return web.Response(text="❌ Сервер не найден.", status=404)
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query_string = request.query_string
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combined_subscriptions, headers_list = await combine_unique_lines(urls, tg_id or email, query_string)
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cleaned_subscriptions = [clean_subscription_line(line) for line in combined_subscriptions]
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base64_encoded = base64.b64encode("\n".join(cleaned_subscriptions).encode("utf-8")).decode("utf-8")
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subscription_info = SUBSCRIPTION_INFO_TEXT.format(email=email, time_left=time_left)
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user_agent = request.headers.get("User-Agent", "")
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subscription_userinfo = calculate_traffic(cleaned_subscriptions, expiry_time_ms, headers_list)
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headers = prepare_headers(user_agent, PROJECT_NAME, subscription_info, subscription_userinfo)
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await cache_set(
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cache_key_sub,
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{"b": base64_encoded, "h": dict(headers)},
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SUBSCRIPTION_RESPONSE_CACHE_TTL_SEC,
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)
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return web.Response(text=base64_encoded, headers=headers)
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except Exception as e:
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await session.rollback()
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logger.error(f"Ошибка в handle_subscription: {e}", exc_info=True)
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return web.Response(text=f"❌ Ошибка сервера: {e}", status=500)
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