[tor-commits] r26291: {} fork torcheck to make a (much faster) version that doesn't a (check/trunk/cgi-bin)
Roger Dingledine
arma at torproject.org
Fri Aug 9 15:24:27 UTC 2013
Author: arma
Date: 2013-08-09 15:24:27 +0000 (Fri, 09 Aug 2013)
New Revision: 26291
Added:
check/trunk/cgi-bin/TorCheck-off.py
Log:
fork torcheck to make a (much faster) version that doesn't actually check
Copied: check/trunk/cgi-bin/TorCheck-off.py (from rev 26290, check/trunk/cgi-bin/TorCheck.py)
===================================================================
--- check/trunk/cgi-bin/TorCheck-off.py (rev 0)
+++ check/trunk/cgi-bin/TorCheck-off.py 2013-08-09 15:24:27 UTC (rev 26291)
@@ -0,0 +1,351 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+"""
+ TorCheck.py
+
+ https://check.torproject.org - originally in perl, rewritten in python
+
+ By Jacob Appelbaum <jacob at appelbaum.net>
+ Written at ToorCon Seattle 2008 (Thanks for the great time h1kari!)
+ Thanks to Crispen for a power outlet :-)
+
+ Additional python suggestions from nickm
+
+ Best used with the Debian packages:
+ python-dns
+ libapache2-mod-python
+ locales-all
+
+"""
+
+__program__ = 'TorCheck.py'
+__version__ = '20100429.01'
+__url__ = 'https://svn.torproject.org/svn/check/'
+__author__ = 'Jacob Appelbaum <jacob at appelbaum.net>'
+__copyright__ = 'Copyright (c) 2008, Jacob Appelbaum'
+__license__ = 'See LICENSE for licensing information'
+
+try:
+ from future import antigravity
+except ImportError:
+ antigravity = None
+
+import cgi
+import DNS
+from DNS import DNSError
+# This is pydns and can be downloaded from http://pydns.sourceforge.net/
+# Or use the Debian package listed above
+import cgitb; cgitb.enable()
+import gettext
+import locale
+import os
+
+#os.environ['LOCPATH']='/usr/share/locale:/srv/check.torproject.org/trunk/i18n/locale'
+localedir ='/srv/check.torproject.org/trunk/i18n/locale'
+
+# We could also explictly query the remote EL server
+# This is not as good as using a cache for obvious reasons
+DNS.DiscoverNameServers()
+
+def isUsingTor(clientIp, ELPort):
+ # This is the exit node ip address
+ # This is where we want to dynamically recieve this from Apache
+ splitIp = clientIp.split('.')
+ splitIp.reverse()
+ ELExitNode = ".".join(splitIp)
+
+ # We'll attempt to reach this port on the Target host
+ # ELPort is now set by the caller
+
+ # We'll try to reach this host
+ ElTarget = "38.229.70.31"
+
+ # This is the ExitList DNS server we want to query
+ ELHost = "ip-port.exitlist.torproject.org"
+
+ # Prepare the question as an A record request
+ ELQuestion = ELExitNode + "." + ELPort + "." + ElTarget + "." + ELHost
+ request = DNS.DnsRequest(name=ELQuestion,qtype='A')
+
+ # Ask the question and load the data into our answer
+ try:
+ answer=request.req()
+ except DNSError:
+ return 2
+
+ # Parse the answer and decide if it's allowing exits
+ # 127.0.0.2 is an exit and NXDOMAIN is not
+ if answer.header['status'] == "NXDOMAIN":
+ # We're not exiting from a Tor exit
+ return 1
+ else:
+ if not answer.answers:
+ # We're getting unexpected data - fail closed
+ return 2
+ for a in answer.answers:
+ if a['data'] != "127.0.0.2":
+ return 2
+ # If we're here, we've had a positive exit answer
+ return 0
+
+
+def isUpToDate(queryString):
+ """
+ determine if TBB is aware of newer versions
+ """
+ if 'uptodate=1' in queryString.lower():
+ return True
+ if 'uptodate=0' in queryString.lower():
+ return False
+ # This will be true until Torbutton 1.4.4 is released
+ if 'small=1' in queryString.lower():
+ return False
+
+ # The default case; No update information to provide
+ return True
+
+
+def getLocales():
+ locale_descriptions = {
+ 'ar' : 'عربية (Arabiya)',
+ 'bms' : 'Burmese',
+ 'cs' : 'česky',
+ 'da' : 'dansk',
+ 'de' : 'Deutsch',
+ 'el' : 'Ελληνικά (Ellinika)',
+ 'en_US' : 'English',
+ 'es' : 'español',
+ 'et' : 'Estonian',
+ 'fa_IR' : 'فارسی (Fārsī)',
+ 'fr' : 'français',
+ 'it_IT' : 'Italiano',
+ 'ja' : '日本語 (Nihongo)',
+ 'nb' : 'norsk (bokmål)',
+ 'nl' : 'Nederlands',
+ 'pl' : 'polski',
+ 'pt' : 'Português',
+ 'pt_BR' : 'Português do Brasil',
+ 'ro' : 'română',
+ 'fi' : 'suomi',
+ 'ru' : 'Русский (Russkij)',
+ 'th' : 'Thai',
+ 'tr' : 'Türkçe',
+ 'uk' : 'українська (ukrajins\'ka)',
+ 'vi' : 'Vietnamese',
+ 'zh_CN' : '中文(简)' }
+ return locale_descriptions
+
+def getLocaleName(lang):
+ # If the user passes in a locale that matches what we support, good
+ # However, anything that we don't support will result in us using a default locale
+ #
+ # Important! lang is tainted data, don't forget this!
+ #
+
+ default_locale = "en_US"
+
+ # We'd really like these additional locales to be translated:
+ # locales = ( 'ar', 'fr', 'nl', 'pt-PT', 'ru' )
+
+ # Make sure we have a valid language
+ if not lang:
+ return default_locale
+
+ # This is to deal with Mozilla and Debian having different ideas about
+ # what it means to be a locale
+ lang = lang.replace("-", "_")
+
+ # Do a case insensitive match
+ lang = lang.lower()
+
+ # Check for an exact match of language_country
+ for item in getLocales().keys():
+ if item.lower() == lang:
+ return item
+
+ # Check for just the language
+ lang = lang.split("_", 1)[0]
+ for item in getLocales().keys():
+ if item.lower().startswith(lang):
+ return item
+
+ # Fall back to default
+ return default_locale
+
+def showLogo(formSubmission):
+ # By default, we'll show a logo
+ show_logo = True
+ hide_logo = formSubmission.getfirst("small", None)
+ # hide_logo isn't cleaned - do not use it for anything else
+ if hide_logo:
+ return False
+ return show_logo
+
+def parseLang(formSubmission):
+ user_supplied_lang = formSubmission.getfirst("lang", None)
+
+ # Find the best match for the requested language
+ locale = getLocaleName(user_supplied_lang)
+
+ # i18n with Unicode!
+ # Ensure you have properly installed TorCheck.{po,pot,mo} files
+ lang = gettext.translation('TorCheck', localedir=localedir, languages=[locale], fallback=True)
+ lang.install()
+
+def printTorButton(req, UsingTor):
+ req.write('<html xmlns="http://www.w3.org/1999/xhtml"><body>')
+ if UsingTor == 0:
+ req.write('<a id="TorCheckResult" target="success" href="/"></a>')
+ elif UsingTor == 1:
+ req.write('<a id="TorCheckResult" target="failure" href="/"></a>\n')
+ else:
+ req.write('<a id="TorCheckResult" target="unknown" href="/"></a>\n')
+ req.write('</body></html>')
+
+# Now that we know everything we need, lets print the website
+def handler(req, environ, start_response):
+ # Make a DNS request to the EL and decide what to tell the user
+ UsingTor = isUsingTor(environ['REMOTE_ADDR'], "80")
+ # Try to hit a cornercase where the user can exit to 443 but not 80
+ if UsingTor != 0:
+ UsingTor = isUsingTor(environ['REMOTE_ADDR'], "443")
+
+ # figure out if the client passed uptodate=0 or uptodate=1
+ # defaults to 1 if uptodate was not present in the query string
+ UpToDate = isUpToDate(environ['QUERY_STRING'])
+
+ response_headers = [('Content-type', 'text/html; charset=utf-8')]
+ start_response('200 OK', response_headers)
+
+ # We want to catch TorButton queries so they don't output overhead
+ # This is to make all the data fit into one cell
+ formSubmission = cgi.FieldStorage(fp=environ['wsgi.input'], environ=environ)
+ if formSubmission.getfirst("TorButton", None):
+ printTorButton(req, UsingTor)
+ return
+
+ # First lets construct the simple webpage:
+ req.write('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" '\
+ '"http://www.w3.org/TR/REC-html40/loose.dtd">\n')
+ req.write('<html>\n')
+ req.write('<head>\n')
+ req.write('<meta http-equiv="content-type" content="text/html; '\
+ 'charset=utf-8">\n')
+ req.write('<title>Are you using Tor?</title>\n')
+ req.write('<link rel="shortcut icon" type="image/x-icon" '\
+ 'href="./favicon.ico">\n')
+ req.write('<style type="text/css">\n')
+ req.write('img,acronym {\n')
+ req.write(' border: 0;')
+ req.write(' text-decoration: none;')
+ req.write('}')
+ req.write('</style>')
+ req.write('</head>\n')
+ req.write('<body>\n')
+
+ parseLang(formSubmission)
+ hideLogo = showLogo(formSubmission)
+
+ req.write('<center>\n')
+
+ if UsingTor == 0:
+ if UpToDate:
+ req.write('\n')
+ if hideLogo:
+ req.write('<img alt="' + _("Congratulations. Your browser is configured to use Tor.") + \
+ '" src="/images/tor-on.png">\n<br>')
+ req.write('<h1 style="color: #0A0">\n')
+ req.write(_('Congratulations. Your browser is configured to use Tor.'))
+ req.write('<br>\n<br>\n')
+ req.write('</h1>\n')
+ req.write(_('Please refer to the <a href="https://www.torproject.org/">Tor website</a> for further information about using Tor safely. You are now free to browse the Internet anonymously.'))
+ req.write('<br>\n<br>\n')
+ else:
+ req.write('\n')
+ if hideLogo:
+ req.write('<img alt="' + _("Congratulations. Your browser is configured to use Tor.") + \
+ '" src="/images/tor-on.png">\n<br>')
+ req.write('<h1 style="color: #0A0">\n')
+ req.write(_('Congratulations. Your browser is configured to use Tor.'))
+ req.write('<br>\n<br>\n')
+ req.write('</h1>\n')
+ req.write('<h1 style="color: #FA0">\n')
+ req.write(_('There is a security update available for the Tor Browser Bundle.'))
+ req.write('<br>\n<br>\n')
+ req.write(_('<a href="https://www.torproject.org/download/download-easy.html">Click here to go to the download page</a>'))
+ req.write('<br>\n<br>\n')
+ req.write('</h1>\n')
+ req.write(_('Please refer to the <a href="https://www.torproject.org/">Tor website</a> for further information about using Tor safely. You are now free to browse the Internet anonymously.'))
+ req.write('<br>\n<br>\n')
+
+ # This is the case where we have an NXDOMAIN and they aren't using Tor
+ elif UsingTor == 1:
+ req.write('\n')
+ if hideLogo:
+ req.write('<img alt="' + _("Sorry. You are not using Tor.") + '" '\
+ 'src="/images/tor-off.png">\n<br>')
+ req.write('<h1 style="color: #A00">')
+ req.write(_('Sorry. You are not using Tor.'))
+ req.write('<br>\n<br>\n')
+ req.write('</h1>')
+ req.write(_('If you are attempting to use a Tor client, please refer to the <a href="https://www.torproject.org/">Tor website</a> and specifically the <a href="https://www.torproject.org/docs/faq#DoesntWork">instructions for configuring your Tor client</a>.'))
+ req.write('<br>\n<br>\n')
+
+ # This means we have some strange data response we don't understand
+ # It's better that we fail closed and let the user know everything went wrong
+ elif UsingTor == 2:
+ req.write('\n')
+ req.write('<img alt="' + _("Sorry, your query failed or an unexpected response was received.") + '" '\
+ 'src="/images/tor-off.png">\n<br>')
+ req.write('<h1 style="color: #A00">\n')
+ req.write(_('Sorry, your query failed or an unexpected response was received.'))
+ req.write('<br>\n')
+ req.write('</h1>')
+ req.write(_('A temporary service outage prevents us from determining if your source IP address is a <a href="https://www.torproject.org/">Tor</a> node.'))
+ req.write('<br>\n<br>\n')
+
+ # Now we'll close up this html rat hole
+ req.write('\n')
+ req.write('<br>\n');
+ req.write(_('Your IP address appears to be: '))
+ req.write('<b>%s</b><br>\n' % environ['REMOTE_ADDR'] )
+ req.write('<small>\n')
+ req.write('<tt>')
+# req.write(_('Additional information: '))
+# req.write('<br>\n')
+# req.write(_('This small script is powered by <a href="http://exitlist.torproject.org/">tordnsel</a>'))
+# req.write('<br>')
+# req.write(_('You may also be interested in the <a href="/cgi-bin/TorBulkExitList.py">Tor Bulk Exit List Exporter</a>'))
+# req.write('<br><br>')
+# req.write(_('This server does not log <i>any</i> information about visitors.'))
+ req.write('<br>\n<br>\n')
+ # We want to display little pretty images so users can choose their language
+ locales = getLocales()
+
+ req.write('<p>This page is also available in the following languages:')
+ req.write('</p><p>')
+ for item in sorted(locales.keys()):
+ req.write('<a href="?lang=%s" ' % item )
+ req.write('hreflang="%s" ' % item )
+ req.write('lang="%s" rel="alternate">' % item )
+ req.write('%s</a> ' % locales[item] )
+ req.write('</p>')
+ req.write('</tt>')
+ req.write('</small>')
+ req.write('</center>\n')
+ req.write('</body>')
+ req.write('</html>')
+
+
+class FakeReq(list):
+ def write(self, str):
+ self.append(str)
+
+def application(environ, start_response):
+ req = FakeReq()
+ handler(req, environ, start_response)
+ return req
+
+# vim:set ts=4:
+# vim:set et:
+# vim:set shiftwidth=4:
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