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Delete ip.py

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davidtgq 2017-10-19 19:27:18 -04:00 committed by GitHub
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sanic/ip.py
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import socket
# CAPS R OK BCUZ WE HAZ CIDict
HEADER_PRECEDENCE_ORDER = (
'X_FORWARDED_FOR',
'CLIENT_IP',
'X_REAL_IP',
'X_FORWARDED',
'X_CLUSTER_CLIENT_IP',
'FORWARDED_FOR',
'FORWARDED',
'VIA',
'REMOTE_ADDR',
)
# Private IP addresses
# http://en.wikipedia.org/wiki/List_of_assigned_/8_IPv4_address_blocks
# http://www.ietf.org/rfc/rfc3330.txt (IPv4)
# http://www.ietf.org/rfc/rfc5156.txt (IPv6)
# Regex would be ideal here, but this is keeping it simple
PRIVATE_IP_PREFIX = (
'0.', # externally non-routable
'10.', # class A private block
'169.254.', # link-local block
'172.16.', '172.17.', '172.18.', '172.19.',
'172.20.', '172.21.', '172.22.', '172.23.',
'172.24.', '172.25.', '172.26.', '172.27.',
'172.28.', '172.29.', '172.30.', '172.31.', # class B private blocks
'192.0.2.', # reserved for documentation and example code
'192.168.', # class C private block
'255.255.255.', # IPv4 broadcast address
'2001:db8:', # reserved for documentation and example code
'fc00:', # IPv6 private block
'fe80:', # link-local unicast
'ff00:', # IPv6 multicast
)
LOOPBACK_PREFIX = (
'127.', # IPv4 loopback device
'::1', # IPv6 loopback device
)
NON_PUBLIC_IP_PREFIX = PRIVATE_IP_PREFIX + LOOPBACK_PREFIX
def is_valid_ipv4(ip_str):
try:
socket.inet_pton(socket.AF_INET, ip_str)
except AttributeError: # pragma: no cover
try: # Fall-back on legacy API or False
socket.inet_aton(ip_str)
except (AttributeError, socket.error):
return False
return ip_str.count('.') == 3
except socket.error:
return False
return True
def is_valid_ipv6(ip_str):
try:
socket.inet_pton(socket.AF_INET6, ip_str)
except socket.error:
return False
return True
def is_valid_ip(ip_str):
return is_valid_ipv4(ip_str) or is_valid_ipv6(ip_str)