mirror of https://github.com/dnomd343/ProxyC
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35 lines
923 B
35 lines
923 B
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import re
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from IPy import IP
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def isHost(host: str) -> bool:
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return isIpAddr(host) or isDomain(host) # IPv4 / IPv6 / Domain
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def isPort(port: int) -> bool:
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if type(port) != int:
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return False
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return port in range(1, 65536) # 1 ~ 65535
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def isIpAddr(ipAddr: str) -> bool:
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try:
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if '/' in ipAddr: # filter CIDR
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return False
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if '.' not in ipAddr and ':' not in ipAddr: # not IPv4 or IPv6
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return False
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IP(ipAddr) # try to convert to IP address
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return True # valid IP address
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except:
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return False
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def isDomain(domain: str) -> bool:
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try:
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domainRegex = r'^(?=^.{3,255}$)[a-zA-Z0-9_][a-zA-Z0-9_-]{0,62}(\.[a-zA-Z0-9_][a-zA-Z0-9_-]{0,62})+$'
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return re.search(domainRegex, domain) is not None # regex matching
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except: # unexpected error
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return False
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