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zapret_checker.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# yegorov.p@gmail.com
from xml.etree.ElementTree import ElementTree
from datetime import datetime
from zapretinfo import ZapretInfo
import time
import zipfile
from base64 import b64decode
import argparse
import os.path
import logging
import hashlib
parser = argparse.ArgumentParser(
add_help=True, description='Downloads list of restricted websites')
parser.add_argument("-r", "--request", action="store", required=False, type=str,
help="full path to request.xml file")
parser.add_argument(
"-s",
"--signature",
action="store",
required=False,
type=str,
help="full path to digital signature file (in PKCS#7 format)")
parser.add_argument("-l", "--log", action="store", required=False, type=str,
default='rkn_dump.log',
help="log filename")
parser.add_argument("-t", "--time", action="store_true", required=False,
default=False,
help="show last dump date")
parser.add_argument("-d", "--dir", action="store", required=False, type=str,
default='./dumps',
help="path to dumps directory")
parser.add_argument("-n", "--no_archives", action="store_true", required=False,
default=False,
help="do not save archives")
args = parser.parse_args()
XML_FILE_NAME = args.request
P7S_FILE_NAME = args.signature
LOG_FILE_NAME = args.log
def main():
session = ZapretInfo()
if args.time:
last_dump = session.getLastDumpDateEx()
last_dump_date = max(last_dump.lastDumpDate, last_dump.lastDumpDateUrgently) / 1000
print last_dump_date
else:
logging.basicConfig(filename=LOG_FILE_NAME, filemode='a',
format=u'%(asctime)s %(message)s', level=logging.INFO)
logger = logging.getLogger(__name__)
logger.info('Starting script.')
if not XML_FILE_NAME:
logging.error('No XML file.')
print 'No XML file.'
parser.usage()
return
if not P7S_FILE_NAME:
logging.error('No signature file.')
print 'No signature file.'
parser.usage()
return
try:
os.mkdir(args.dir)
except OSError:
pass
logger.info('Check if dump.xml already exists.')
if os.path.exists('dump.xml'):
logger.info('dump.xml already exists.')
data = ElementTree().parse("dump.xml")
dt = datetime.strptime(data.attrib['updateTime'][:19], '%Y-%m-%dT%H:%M:%S')
updateTime = int(time.mktime(dt.timetuple()))
logger.info('Got updateTime: %s.', updateTime)
dt = datetime.strptime(
data.attrib['updateTimeUrgently'][:19], '%Y-%m-%dT%H:%M:%S')
updateTimeUrgently = int(time.mktime(dt.timetuple()))
logger.info('Got updateTimeUrgently: %s.', updateTimeUrgently)
fromFile = max(updateTime, updateTimeUrgently)
logger.info('Got latest update time: %s.', fromFile)
else:
logger.info('dump.xml does not exist')
fromFile = 0
logger.info('Check if dump.xml has updates since last sync.')
last_dump = session.getLastDumpDateEx()
logger.info('Current versions: webservice: %s, dump: %s, soc: %s, doc: %s',
last_dump.webServiceVersion,
last_dump.dumpFormatVersion,
last_dump.dumpFormatVersionSocResources,
last_dump.docVersion)
if max(last_dump.lastDumpDate, last_dump.lastDumpDateUrgently) / \
1000 != fromFile:
logger.info('New dump is available.')
logger.info('Sending request.')
request = session.sendRequest(XML_FILE_NAME, P7S_FILE_NAME, '2.2')
logger.info('Checking request status.')
if request['result']:
code = request['code']
logger.info('Got code %s', code)
logger.info('Waiting for a minute...')
time.sleep(60)
while True:
date_dir=datetime.now().strftime("%Y-%m-%dT%H-%M-%S")
logger.info('Trying to get result...')
request = session.getResult(code)
if request['result']:
logger.info('Got Result dump ver. %s',
request['dumpFormatVersion'])
with open('result.zip', "wb") as f:
f.write(b64decode(request['registerZipArchive']))
logger.info(
'Downloaded dump %d bytes, MD5 hashsum: %s',
os.path.getsize('result.zip'),
hashlib.md5(
open(
'result.zip',
'rb').read()).hexdigest())
try:
logger.info('Unpacking.')
zip_file = zipfile.ZipFile('result.zip', 'r')
zip_file.extract('dump.xml', '')
if not args.no_archives:
zip_file.extractall(
'%s/%s' %
(args.dir, date_dir))
zip_file.close()
except zipfile.BadZipfile:
logger.error('Wrong file format.')
requestSocResources = session.getResultSocResources(code)
if requestSocResources['result']:
logger.info('Got a SocResources dump ver. %s ',
requestSocResources['dumpFormatVersion'])
with open('ResultSocResources.zip', "wb") as f:
f.write(b64decode(requestSocResources['registerZipArchive']))
logger.info(
'Downloaded SocResources dump %d bytes, MD5 hashsum: %s',
os.path.getsize('ResultSocResources.zip'),
hashlib.md5(
open(
'ResultSocResources.zip',
'rb').read()).hexdigest())
try:
logger.info('Unpacking.')
zip_file = zipfile.ZipFile('ResultSocResources.zip', 'r')
zip_file.extract('register.xml', '')
if not args.no_archives:
zip_file.extractall(
'%s/%s' %
(args.dir, date_dir))
zip_file.close()
except zipfile.BadZipfile:
logger.error('Wrong file format.')
break
else:
if request['resultCode'] == 0:
logger.info('Not ready yet. Waiting for a minute.')
time.sleep(60)
else:
logger.error('Got an error, code %d: %s',
request['resultCode'],
request['resultComment'].decode('utf-8'))
break
else:
logger.error(request['resultComment'].decode('utf-8'))
else:
logger.info('No updates.')
logger.info('Script stopped.')
if __name__ == '__main__':
main()