32 lines
960 B
Python
32 lines
960 B
Python
"""真实群艾特名单来自微信 msgsource，不凭可见昵称猜测目标。"""
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import re
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from xml.etree import ElementTree
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from .account import validate_account
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def parse_at_members(source):
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if not isinstance(source, str) or len(source) > 4095 or "<!DOCTYPE" in source.upper() or "<!ENTITY" in source.upper():
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return ()
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try:
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root = ElementTree.fromstring(source)
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except (ElementTree.ParseError, ValueError):
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return ()
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node = root if root.tag == "atuserlist" else root.find(".//atuserlist")
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if node is None or not node.text:
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return ()
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result = []
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for value in node.text.split(","):
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value = value.strip()
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try:
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validate_account(value)
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except ValueError:
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continue
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if value not in result:
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result.append(value)
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return tuple(result)
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def strip_at_labels(text):
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return re.sub(r"@[^@\r\n\u2005]+\u2005", "", text).strip()
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