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Use socket to validate IP addresses

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CURA-6483
This commit is contained in:
Lipu Fei 2019-04-30 07:40:16 +02:00
parent c8872cb4a1
commit 8c42ceb8e6
1 changed files with 13 additions and 7 deletions
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20
cura/Utils/networking.py
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@ -1,21 +1,27 @@
# Copyright (c) 2019 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
import re
_REGEX_IPV4 = re.compile(r"^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$")
_REGEX_IPV6 = re.compile(r"^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))$")
import socket
# Checks if the given string is a valid IPv4 address.
def isIPv4(address: str) -> bool:
return _REGEX_IPV4.fullmatch(address) is not None
try:
socket.inet_pton(socket.AF_INET, address)
result = True
except:
result = False
return result
# Checks if the given string is a valid IPv6 address.
def isIPv6(address: str) -> bool:
return _REGEX_IPV6.fullmatch(address) is not None
try:
socket.inet_pton(socket.AF_INET6, address)
result = True
except:
result = False
return result
# Checks if the given string is a valid IPv4 or IPv6 address.