mirror of
https://github.com/couchfault/sslstrip2.git
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112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
# Copyright (c) 2004-2009 Moxie Marlinspike
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA
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#
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import re
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class URLMonitor:
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'''
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The URL monitor maintains a set of (client, url) tuples that correspond to requests which the
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server is expecting over SSL. It also keeps track of secure favicon urls.
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'''
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# Start the arms race, and end up here...
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javascriptTrickery = [re.compile("http://.+\.etrade\.com/javascript/omntr/tc_targeting\.html")]
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_instance = None
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sustitucion = {} # LEO: diccionario host / sustitucion
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real = {} # LEO: diccionario host / sustitucion
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def __init__(self):
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self.strippedURLs = set()
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self.strippedURLPorts = {}
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self.faviconReplacement = False
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self.sustitucion["mail.google.com"] = "gmail.google.com"
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self.real["gmail.google.com"] = "mail.google.com"
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def isSecureLink(self, client, url):
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for expression in URLMonitor.javascriptTrickery:
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if (re.match(expression, url)):
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return True
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return (client,url) in self.strippedURLs
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def getSecurePort(self, client, url):
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if (client,url) in self.strippedURLs:
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return self.strippedURLPorts[(client,url)]
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else:
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return 443
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def addSecureLink(self, client, url):
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methodIndex = url.find("//") + 2
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method = url[0:methodIndex]
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pathIndex = url.find("/", methodIndex)
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host = url[methodIndex:pathIndex]
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path = url[pathIndex:]
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port = 443
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portIndex = host.find(":")
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if (portIndex != -1):
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host = host[0:portIndex]
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port = host[portIndex+1:]
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if len(port) == 0:
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port = 443
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#LEO: Sustituir HOST
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if self.sustitucion.has_key(host.lower()):
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host = self.sustitucion[host.lower()]
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else:
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lhost = host.lower()[:4]
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if lhost=="www.":
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self.sustitucion[host.lower()] = "w"+host.lower()
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self.real["w"+host.lower()] = host.lower()
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else:
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self.sustitucion[host.lower()] = "web."+host.lower()
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self.real["web."+host.lower()] = host.lower()
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url = method + host + path
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self.strippedURLs.add((client, url))
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self.strippedURLPorts[(client, url)] = int(port)
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def setFaviconSpoofing(self, faviconSpoofing):
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self.faviconSpoofing = faviconSpoofing
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def isFaviconSpoofing(self):
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return self.faviconSpoofing
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def isSecureFavicon(self, client, url):
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return ((self.faviconSpoofing == True) and (url.find("favicon-x-favicon-x.ico") != -1))
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def URLgetRealHost(host):
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if self.real.has_key(host):
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return self.real[host]
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else:
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return host
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def getInstance():
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if URLMonitor._instance == None:
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URLMonitor._instance = URLMonitor()
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return URLMonitor._instance
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getInstance = staticmethod(getInstance)
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