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54 lines
1.8 KiB
Python

import socket, re
from . import shared
def get_whois_raw(domain, server="", previous=[]):
if len(previous) == 0:
# Root query
target_server = get_root_server(domain)
else:
target_server = server
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if domain.endswith(".jp") and target_server == "whois.jprs.jp":
request_domain = "%s/e" % domain # Suppress Japanese output
elif target_server == "whois.verisign-grs.com":
request_domain = "=%s" % domain # Avoid partial matches
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else:
request_domain = domain
response = whois_request(request_domain, target_server)
new_list = [response] + previous
if target_server == "whois.verisign-grs.com":
# VeriSign is a little... special. As it may return multiple full records and there's no way to do an exact query,
# we need to actually find the correct record in the list.
for record in response.split("\n\n"):
if re.search("Domain Name: %s\n" % domain.upper(), record):
response = record
break
for line in [x.strip() for x in response.splitlines()]:
match = re.match("(refer|whois server|referral url|whois server|registrar whois):\s*([^\s]+)", line, re.IGNORECASE)
if match is not None:
referal_server = match.group(2)
if referal_server != server:
# Referal to another WHOIS server...
return get_whois_raw(domain, referal_server, new_list)
return new_list
def get_root_server(domain):
data = whois_request(domain, "whois.iana.org")
for line in [x.strip() for x in data.splitlines()]:
match = re.match("refer:\s*([^\s]+)", line)
if match is None:
continue
return match.group(1)
raise shared.WhoisException("No root WHOIS server found for TLD.")
def whois_request(domain, server, port=43):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((server, port))
sock.send("%s\r\n" % domain)
buff = ""
while True:
data = sock.recv(1024)
if len(data) == 0:
break
buff += data
return buff