mirror of https://github.com/dnomd343/ProxyC
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41 lines
787 B
41 lines
787 B
#!/usr/bin/python
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# -*- coding:utf-8 -*-
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import re
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import IPy
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def isHost(host: str) -> bool:
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"""
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判断host是否合法
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IPv4 / IPv6 / Domain
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合法: return True
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不合法: return False
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"""
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try:
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IPy.IP(host)
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if host.find('/') != -1: # filter CIDR
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return False
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return True
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except: # not IP address
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pass
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return re.search(r'^(?=^.{3,255}$)[a-zA-Z0-9_][a-zA-Z0-9_-]{0,62}(\.[a-zA-Z0-9_][a-zA-Z0-9_-]{0,62})+$', host) is not None
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def isPort(port: int) -> bool:
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"""
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判断端口是否合法
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1 ~ 65535
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合法: return True
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不合法: return False
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"""
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try:
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if 1 <= port <= 65535:
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return True
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except: # illegal
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pass
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return False
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