Files
MoviePilot/app/application/rss.py
T

536 lines
21 KiB
Python

import traceback
from typing import List, Tuple, Union, Optional
from urllib.parse import urljoin, urlparse
import dateutil.parser
from lxml import etree
from app.application.configuration import get_chain_runtime_config_snapshot
from app.adapters.network.browser import PlaywrightHelper
from app.runtime.log import logger
from app.adapters.system import rust as rust_accel
from app.adapters.network.http import RequestUtils
class RssHelper:
"""
RSS帮助类,解析RSS报文、获取RSS地址等
"""
# RSS解析限制配置
MAX_RSS_SIZE = 50 * 1024 * 1024 # 50MB最大RSS文件大小
MAX_RSS_ITEMS = 1000 # 最大解析条目数
# 各站点RSS链接获取配置
rss_link_conf = {
"default": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
}
},
"hares.top": {
"xpath": "//*[@id='layui-layer100001']/div[2]/div/p[4]/a/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
}
},
"et8.org": {
"xpath": "//*[@id='outer']/table/tbody/tr/td/table/tbody/tr/td/a[2]/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
}
},
"pttime.org": {
"xpath": "//*[@id='outer']/table/tbody/tr/td/table/tbody/tr/td/text()[5]",
"url": "getrss.php",
"params": {
"showrows": 10,
"inclbookmarked": 0,
"itemsmalldescr": 1
}
},
"ourbits.club": {
"xpath": "//a[@class='gen_rsslink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
}
},
"totheglory.im": {
"xpath": "//textarea/text()",
"url": "rsstools.php?c51=51&c52=52&c53=53&c54=54&c108=108&c109=109&c62=62&c63=63&c67=67&c69=69&c70=70&c73=73&c76=76&c75=75&c74=74&c87=87&c88=88&c99=99&c90=90&c58=58&c103=103&c101=101&c60=60",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
}
},
"monikadesign.uk": {
"xpath": "//a/@href",
"url": "rss",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
}
},
"zhuque.in": {
"xpath": "//a/@href",
"url": "user/rss",
"render": True,
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
}
},
"hdchina.org": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
"rsscart": 0
}
},
"audiences.me": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
"torrent_type": 1,
"exp": 180
}
},
"shadowflow.org": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"paid": 0,
"search_mode": 0,
"showrows": 30
}
},
"hddolby.com": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
"exp": 180
}
},
"hdhome.org": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
"exp": 180
}
},
"pthome.net": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
"exp": 180
}
},
"ptsbao.club": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
"size": 0
}
},
"leaves.red": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 0,
"paid": 2
}
},
"hdtime.org": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 0,
}
},
"m-team.io": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"showrows": 50,
"inclbookmarked": 0,
"itemsmalldescr": 1,
"https": 1
}
},
"u2.dmhy.org": {
"xpath": "//a[@class='faqlink']/@href",
"url": "getrss.php",
"params": {
"inclbookmarked": 0,
"itemsmalldescr": 1,
"showrows": 50,
"search_mode": 1,
"inclautochecked": 1,
"trackerssl": 1
}
},
}
@classmethod
def _get_site_domain(cls, url: str) -> str:
"""按 RSS 站点配置匹配域名,未命中时回退到最后两级域名。"""
hostname = (urlparse(url).hostname or "").lower()
for domain in cls.rss_link_conf:
if domain == "default":
continue
if hostname == domain or hostname.endswith(f".{domain}"):
return domain
parts = hostname.split(".")
return ".".join(parts[-2:]) if len(parts) >= 2 else hostname
@staticmethod
def _parse_publish_time(value: str):
"""将 RSS 常见日期表达解析为 datetime,无法解析时返回 None。"""
try:
return dateutil.parser.parse(value)
except dateutil.parser.ParserError:
return None
def __parse_with_rust(self, ret_xml: Optional[str]) -> Optional[list]:
"""
调用 Rust RSS 解析器,并统一处理基础 XML 校验和最大条目限制。
"""
if not ret_xml or not ret_xml.strip():
return None
ret_xml_stripped = ret_xml.strip()
if not ret_xml_stripped.startswith('<'):
return None
rust_items = rust_accel.parse_rss_items(ret_xml, self.MAX_RSS_ITEMS + 1)
if rust_items is None:
return None
if len(rust_items) > self.MAX_RSS_ITEMS:
logger.warning(f"RSS条目过多: 超过{self.MAX_RSS_ITEMS},仅处理前{self.MAX_RSS_ITEMS}个")
return rust_items[:self.MAX_RSS_ITEMS]
def parse(self, url, proxy: bool = False,
timeout: Optional[int] = 15, headers: dict = None, ua: str = None) -> Union[List[dict], None, bool]:
"""解析 RSS 地址并保留插件兼容的返回约定。"""
return self._parse_impl(url, proxy=proxy, timeout=timeout, headers=headers, ua=ua)
def _parse_impl(self, url, proxy: bool = False,
timeout: Optional[int] = 15, headers: dict = None,
ua: str = None) -> Union[List[dict], None, bool]:
"""
解析RSS订阅URL,获取RSS中的种子信息
:param url: RSS地址
:param proxy: 是否使用代理
:param timeout: 请求超时
:param headers: 自定义请求头
:param ua: 自定义User-Agent
:return: 种子信息列表,如为None代表Rss过期,如果为False则为错误
"""
# 开始处理
ret_array: list = []
if not url:
return False
try:
ret = RequestUtils(ua=ua,
proxies=get_chain_runtime_config_snapshot().proxy if proxy else None,
timeout=timeout or 30, headers=headers).get_res(url)
if not ret:
logger.error(f"获取RSS失败:请求返回空值,URL: {url}")
return False
except Exception as err:
logger.error(f"获取RSS失败:{str(err)} - {traceback.format_exc()}")
return False
if ret:
# 检查HTTP状态码
if ret.status_code != 200:
logger.error(f"RSS请求失败,状态码: {ret.status_code}, URL: {url}")
return False
ret_xml = None
root = None
try:
# 检查响应大小,避免处理过大的RSS文件
raw_data = ret.content
if raw_data and len(raw_data) > self.MAX_RSS_SIZE:
logger.warning(f"RSS文件过大: {len(raw_data) / 1024 / 1024:.1f}MB,跳过解析")
return False
if raw_data:
ret_xml = RequestUtils.get_decoded_xml_content(
ret,
performance_mode=get_chain_runtime_config_snapshot().encoding_detection_performance_mode,
confidence_threshold=get_chain_runtime_config_snapshot().encoding_detection_min_confidence
)
rust_items = self.__parse_with_rust(ret_xml)
if rust_items is not None:
return rust_items
if not ret_xml:
ret_xml = ret.text
# 验证RSS内容是否有效
if not ret_xml or not ret_xml.strip():
logger.error("RSS内容为空")
return False
# 检查是否包含基本的RSS/XML结构
ret_xml_stripped = ret_xml.strip()
if not ret_xml_stripped.startswith('<'):
logger.error("RSS内容不是有效的XML格式")
return False
rust_items = self.__parse_with_rust(ret_xml)
if rust_items is not None:
return rust_items
# 使用lxml.etree解析XML
parser = None
try:
# 创建解析器,禁用网络访问以提高安全性和性能
parser = etree.XMLParser(
recover=True, # 容错模式
strip_cdata=False, # 保留CDATA
resolve_entities=False, # 禁用外部实体解析
no_network=True, # 禁用网络访问
huge_tree=False # 禁用大文档解析,避免内存问题
)
root = etree.fromstring(ret_xml.encode('utf-8'), parser=parser)
except etree.XMLSyntaxError as xml_error:
logger.debug(f"XML解析失败:{str(xml_error)},尝试HTML解析")
# 如果XML解析失败,尝试作为HTML解析
try:
root = etree.HTML(ret_xml)
if root is not None:
# 查找RSS根节点
rss_root = root.xpath('//rss | //feed')
if rss_root:
root = rss_root[0]
except Exception as e:
logger.error(f"HTML解析也失败:{str(e)}")
return False
except Exception as general_error:
logger.error(f"解析RSS时发生未预期错误:{str(general_error)}")
return False
finally:
if parser is not None:
try:
parser.close()
except Exception as close_error:
logger.debug(f"关闭解析器时出错:{str(close_error)}")
del parser
if root is None:
logger.error("无法解析RSS内容")
return False
# 查找所有item或entry节点
items = root.xpath('.//item | .//entry')
# 限制处理的条目数量
items_count = min(len(items), self.MAX_RSS_ITEMS)
if len(items) > self.MAX_RSS_ITEMS:
logger.warning(f"RSS条目过多: {len(items)},仅处理前{self.MAX_RSS_ITEMS}个")
try:
for item in items[:items_count]:
try:
# 使用xpath提取信息,更高效
title_nodes = item.xpath('.//title')
title = title_nodes[0].text if title_nodes and title_nodes[0].text else ""
if not title:
continue
# 描述
desc_nodes = item.xpath('.//description | .//summary')
description = desc_nodes[0].text if desc_nodes and desc_nodes[0].text else ""
# 种子页面
link_nodes = item.xpath('.//link')
if link_nodes:
link = link_nodes[0].text if hasattr(link_nodes[0], 'text') and link_nodes[0].text else link_nodes[0].get('href', '')
else:
link = ""
# 种子链接
enclosure_nodes = item.xpath('.//enclosure')
enclosure = enclosure_nodes[0].get('url', '') if enclosure_nodes else ""
if not enclosure and not link:
continue
# 部分RSS只有link没有enclosure
if not enclosure and link:
enclosure = link
# 大小
size = 0
if enclosure_nodes:
size_attr = enclosure_nodes[0].get('length', '0')
if size_attr and str(size_attr).isdigit():
size = int(size_attr)
# 发布日期
pubdate_nodes = item.xpath('./pubDate | ./published | ./updated')
if not pubdate_nodes:
pubdate_nodes = item.xpath('.//*[local-name()="pubDate"] | .//*[local-name()="published"] | .//*[local-name()="updated"]')
pubdate = ""
if pubdate_nodes and pubdate_nodes[0].text:
pubdate = self._parse_publish_time(pubdate_nodes[0].text)
if pubdate is not None:
# 转为本地时区
pubdate = pubdate.astimezone(tz=None)
# 获取豆瓣昵称
nickname_nodes = item.xpath('.//*[local-name()="creator"]')
nickname = nickname_nodes[0].text if nickname_nodes and nickname_nodes[0].text else ""
# 返回对象
tmp_dict = {
'title': title,
'enclosure': enclosure,
'size': size,
'description': description,
'link': link,
'pubdate': pubdate
}
# 如果豆瓣昵称不为空,返回数据增加豆瓣昵称,供doubansync插件获取
if nickname:
tmp_dict['nickname'] = nickname
ret_array.append(tmp_dict)
except Exception as e1:
logger.debug(f"解析RSS条目失败:{str(e1)} - {traceback.format_exc()}")
continue
finally:
items.clear()
del items
except Exception as e2:
logger.error(f"解析RSS失败:{str(e2)} - {traceback.format_exc()}")
# RSS过期检查
_rss_expired_msg = [
"RSS 链接已过期, 您需要获得一个新的!",
"RSS Link has expired, You need to get a new one!",
"RSS Link has expired, You need to get new!"
]
if ret_xml in _rss_expired_msg:
return None
return False
finally:
if root is not None:
del root
if ret_xml is not None:
del ret_xml
return ret_array
def get_rss_link(self, url: str, cookie: str, ua: str, proxy: bool = False, timeout: int = None) -> Tuple[str, str]:
"""
获取站点rss地址
:param url: 站点地址
:param cookie: 站点cookie
:param ua: 站点ua
:param proxy: 是否使用代理
:param timeout: 请求超时时间
:return: rss地址、错误信息
"""
try:
# 获取站点域名
domain = self._get_site_domain(url)
# 获取配置
site_conf = self.rss_link_conf.get(domain) or self.rss_link_conf.get("default")
# RSS地址
rss_url = urljoin(url, site_conf.get("url"))
# RSS请求参数
rss_params = site_conf.get("params")
# 请求RSS页面
if site_conf.get("render"):
html_text = PlaywrightHelper().get_page_source(
url=rss_url,
cookies=cookie,
ua=ua,
proxies=get_chain_runtime_config_snapshot().proxy_server if proxy else None,
timeout=timeout or 60
)
else:
res = RequestUtils(
cookies=cookie,
timeout=timeout or 30,
ua=ua,
proxies=get_chain_runtime_config_snapshot().proxy if proxy else None
).post_res(url=rss_url, data=rss_params)
if res:
html_text = res.text
elif res is not None:
return "", f"获取 {url} RSS链接失败,错误码:{res.status_code},错误原因:{res.reason}"
else:
return "", f"获取RSS链接失败:无法连接 {url} "
# 解析HTML
if html_text:
html = None
try:
html = etree.HTML(html_text)
if html is not None and len(html) > 0:
rss_link = html.xpath(site_conf.get("xpath"))
if rss_link:
return str(rss_link[-1]), ""
finally:
if html is not None:
del html
return "", f"获取RSS链接失败:{url}"
except Exception as e:
return "", f"获取 {url} RSS链接失败:{str(e)}"