61 lines
2.2 KiB
Python
Executable File
61 lines
2.2 KiB
Python
Executable File
import urllib.parse
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import os
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import requests
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import redis
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import xml.etree.ElementTree as ET
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from flask import request, Response
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PROXY_URL = os.getenv("PROXY_URL")
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REDIS_URL = os.getenv("REDIS_URL", "redis://localhost:6379/0")
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CACHE_TTL = int(os.getenv("CACHE_TTL", 3600))
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rdb = redis.from_url(REDIS_URL)
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def init_proxy(app):
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@app.route("/proxy")
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def proxy():
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"""Proxy RSS feed with per-item caching."""
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raw_query = request.query_string.decode()
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if raw_query.startswith("url="):
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url = urllib.parse.unquote(raw_query[4:])
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else:
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return "Missing URL", 400
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try:
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# Получаем ленту
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proxies = {"http": PROXY_URL, "https": PROXY_URL} if PROXY_URL else None
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r = requests.get(url, timeout=10, proxies=proxies)
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r.encoding = "windows-1251" if "windows-1251" in r.headers.get("content-type", "").lower() else r.apparent_encoding
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xml_data = r.text.replace('<?xml version="1.0" encoding="windows-1251"?>', '<?xml version="1.0" encoding="UTF-8"?>')
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# Разбираем XML
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root = ET.fromstring(xml_data)
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items = root.findall(".//item")
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cached_items = []
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new_items = []
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for item in items:
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guid = item.find("guid").text if item.find("guid") is not None else None
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if guid:
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cache_key = f"rss:item:{guid}"
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cached_item = rdb.get(cache_key)
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if cached_item:
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cached_items.append(cached_item.decode())
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else:
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item_str = ET.tostring(item, encoding="unicode")
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rdb.setex(cache_key, CACHE_TTL, item_str)
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new_items.append(item_str)
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# Собираем финальный RSS
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final_items = cached_items + new_items
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response_xml = f'<?xml version="1.0" encoding="UTF-8"?><rss><channel>{"".join(final_items)}</channel></rss>'
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return Response(response_xml, content_type="application/xml; charset=utf-8")
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except Exception as e:
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return f"Error: {e}", 500
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