mirror of https://github.com/r4sas/py-i2phosts
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
3.4 KiB
112 lines
3.4 KiB
#!/usr/bin/python |
|
|
|
import re |
|
import os |
|
import os.path |
|
import sys |
|
import errno |
|
import time |
|
import urllib2 |
|
import subprocess |
|
import argparse |
|
import configobj |
|
|
|
# parse command line options |
|
parser = argparse.ArgumentParser( |
|
description='Hosts fetcher for py-i2phosts.', |
|
epilog='Report bugs to http://zzz.i2p/topics/733') |
|
parser.add_argument('-d', '--debug', action='store_true', |
|
help='write debug messages to stdout instead of log file'), |
|
parser.add_argument('-c', '--config', default='/etc/py-i2phosts/fetcher.conf', dest='config_file', |
|
help='config file to use') |
|
args = parser.parse_args() |
|
|
|
# read config |
|
config = configobj.ConfigObj(args.config_file, file_error=True) |
|
if 'include' in config: |
|
config_included = configobj.ConfigObj(config['include']) |
|
config.merge(config_included) |
|
|
|
if 'DJANGO_PROJECT_PATH' in config: |
|
sys.path.insert(1, config['DJANGO_PROJECT_PATH']) |
|
else: |
|
sys.stderr.write('"DJANGO_PROJECT_PATH" is missing in config\n') |
|
sys.exit(1) |
|
from web.lib.utils import get_logger |
|
|
|
# configure logger |
|
if args.debug == True: |
|
log_level = 'debug' |
|
log_file = None |
|
else: |
|
log_level = config['log_level'] |
|
log_file = config['log_file'] |
|
log = get_logger(filename=log_file, log_level=log_level) |
|
|
|
# we want open urls through proxy |
|
if 'proxyurl' in config: |
|
proxy_handler = urllib2.ProxyHandler({'http': config['proxyurl']}) |
|
else: |
|
log.critical('"proxyurl" is missing in config') |
|
sys.exit(1) |
|
opener = urllib2.build_opener(proxy_handler) |
|
|
|
if not 'sources' in config: |
|
log.critical('"sources" is missing in config') |
|
sys.exit(1) |
|
|
|
# FIXME: use as_list() here |
|
for source in config['sources']: |
|
# cut hostname.i2p from url |
|
source_hostname = re.sub(r'.*//(.+?)/.+', r'\1', source) |
|
# use separate file for each host |
|
filename = 'hosts.txt.' + source_hostname |
|
# build last-modified info from file mtime |
|
try: |
|
mtime = os.path.getmtime(filename) |
|
except OSError, e: |
|
if e.errno == errno.ENOENT: |
|
pass |
|
else: |
|
log.critical('fatal error: %s', e) |
|
sys.exit(1) |
|
else: |
|
last_modified = time.strftime('%a, %d %b %Y %H:%M:%S GMT', time.localtime(mtime)) |
|
# prevent redownloading of hosts-file by passing If-Modified-Since http header |
|
opener.addheaders = [('If-Modified-Since', last_modified)] |
|
try: |
|
resp = opener.open(source, timeout=60) |
|
except urllib2.URLError, e: |
|
if hasattr(e, 'reason'): |
|
log.warning('failed to reach server %s, reason: %s', source_hostname, e.reason) |
|
elif hasattr(e, 'code'): |
|
if e.code == 304: |
|
log.info('%s: not modified', source_hostname) |
|
else: |
|
log.warning('server %s can\'t finish the request, error code: %s', |
|
source_hostname, e.code) |
|
continue |
|
# read data from remote and write it to local file |
|
try: |
|
content = resp.read() |
|
except: |
|
log.warning('failed to read data from %s', source_hostname) |
|
continue |
|
f = open(filename, 'w') |
|
f.write(content) |
|
f.close() |
|
# get last-modified info from header and change file's mtime |
|
lm = resp.headers.get('Last-Modified') |
|
log.debug('%s Last-Modified: %s', source_hostname, lm) |
|
if lm: |
|
target_mtime = int(time.mktime(time.strptime(lm, '%a, %d %b %Y %H:%M:%S GMT'))) |
|
os.utime(filename, (target_mtime, target_mtime)) |
|
|
|
# form commnd-line for invoke injector |
|
path = os.path.dirname(sys.argv[0]) |
|
log.info('adding hosts from: %s', source_hostname) |
|
sp_args = [path + '/py-i2phosts-injector', '-s', '-a', '-f', filename, '-d', |
|
'Auto-added from ' + source_hostname] |
|
p = subprocess.Popen(sp_args, shell=False, stdin=None, |
|
stdout=None, stderr=subprocess.STDOUT) |
|
p.wait()
|
|
|