/usr/lib/listen/proxy.py is in listen 0.6.5-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | # -*- coding: utf-8 -*-
# vim: ts=4
###
#
# Listen is the legal property of mehdi abaakouk <theli48@gmail.com>
# Copyright (c) 2006 Mehdi Abaakouk
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#
###
import os
import re
import urlparse
from urllib2 import urlopen
# Function discover_http_proxy found at :
# https://svn.berlios.de/wsvn/solipsis/trunk/main/solipsis/util/httpproxy.py?op=file&rev=0&sc=0
# Solipsis, a peer-to-peer serverless virtual world.
# Copyright (C) 2002-2005 France Telecom R&D
def discover_http_proxy():
"""
Returns a (host, port) tuple if an HTTP proxy is found in the
current machine configuration, (None, None) otherwise.
Note: automatic proxy configuration file (*.pac) handling is braindead.
"""
host_port = None
host = port = None
pac_url = None
# Unix
if 'http_proxy' in os.environ:
parts = urlparse.urlparse(os.environ['http_proxy'])
if not parts[0] or parts[0] == 'http':
host_port = parts[1]
# Gnome
try:
import gconf
client = gconf.client_get_default()
except:
pass
else:
try:
mode = client.get_string('/system/proxy/mode')
except:
pass
else:
if mode == 'auto':
pac_url = client.get_string('/system/proxy/autoconfig_url')
elif mode == 'manual':
if client.get_bool('/system/http_proxy/use_http_proxy'):
host = client.get_string('/system/http_proxy/host')
port = client.get_int('/system/http_proxy/port')
# Read PAC file if necessary
# Yes, we could use Twisted, but we don't need asynchronicity here
if pac_url and not host and not host_port:
try:
f = urlopen(pac_url)
except Exception, e:
print str(e)
pass
else:
print pac_url
# A hack until someone embeds a Javascript interpreter in Python...
regex = re.compile(r'PROXY\s(\d+.\d+.\d+.\d+:\d+)')
for l in f:
m = regex.search(l)
if m is not None:
host_port = m.group(1)
break
# Split host and port if necessary
if host_port and not host:
t = host_port.split(':')
host = t[0].strip()
if host:
try:
port = int(t[1])
except:
port = 80
if host and port:
return {"http":"http://%s:%d"%(host,port)}
else:
return {}
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