PNG IHDR x sBIT|d pHYs + tEXtSoftware www.inkscape.org< ,tEXtComment
# -*- coding: utf-8 -*-
# Copyright 2009-2018 Fumail Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
#
STATUS = "not loaded"
try:
from dns import resolver
HAVE_DNSPYTHON=True
STATUS = "available"
except ImportError:
resolver = None
HAVE_DNSPYTHON=False
HAVE_PYDNS=False
if not HAVE_DNSPYTHON:
try:
import DNS
HAVE_PYDNS=True
DNS.DiscoverNameServers()
STATUS = "available"
except ImportError:
DNS = None
STATUS = "DNS not installed"
ENABLED = DNSQUERY_EXTENSION_ENABLED = HAVE_DNSPYTHON or HAVE_PYDNS
QTYPE_A = 'A'
QTYPE_AAAA = 'AAAA'
QTYPE_MX = 'MX'
QTYPE_NS = 'NS'
QTYPE_TXT = 'TXT'
QTYPE_PTR = 'PTR'
QTYPE_CNAME = 'CNAME'
QTYPE_SPF = 'SPF'
QTYPE_SRV = 'SRV'
QTYPE_SOA = 'SOA'
QTYPE_CAA = 'CAA'
QTYPE_DS = 'DS'
QTYPE_DNSKEY = 'DNSKEY'
QTYPE_SSHFP = 'SSHFP'
QTYPE_TLSA = 'TLSA'
def lookup(hostname, qtype=QTYPE_A):
try:
if HAVE_DNSPYTHON:
arecs = []
arequest = resolver.query(hostname, qtype)
for rec in arequest:
arecs.append(rec.to_text())
return arecs
elif HAVE_PYDNS:
return DNS.dnslookup(hostname, qtype)
except Exception:
return None
return None
def mxlookup(domain):
try:
if HAVE_DNSPYTHON:
mxrecs = []
mxrequest = resolver.query(domain, QTYPE_MX)
for rec in mxrequest:
mxrecs.append(rec.to_text())
mxrecs.sort() # automatically sorts by priority
return [x.split(None, 1)[-1] for x in mxrecs]
elif HAVE_PYDNS:
mxrecs = []
mxrequest = DNS.mxlookup(domain)
for dataset in mxrequest:
if type(dataset) == tuple:
mxrecs.append(dataset)
mxrecs.sort() # automatically sorts by priority
return [x[1] for x in mxrecs]
except Exception:
return None
return None
def revlookup(ip):
a = ip.split('.')
a.reverse()
revip = '.'.join(a)+'.in-addr.arpa'
return lookup(revip, qtype=QTYPE_PTR)
b IDATxytVսϓ22 A@IR:hCiZ[v*E:WũZA ^dQeQ @ !jZ'>gsV仿$|?g)&x-E