/usr/share/w3af/plugins/grep/ajax.py is in w3af-console 1.1svn5547-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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ajax.py
Copyright 2006 Andres Riancho
This file is part of w3af, w3af.sourceforge.net .
w3af is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 2 of the License.
w3af 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 w3af; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
'''
# options
from core.data.options.optionList import optionList
from core.controllers.basePlugin.baseGrepPlugin import baseGrepPlugin
import core.data.kb.knowledgeBase as kb
import core.data.kb.info as info
from core.data.bloomfilter.bloomfilter import scalable_bloomfilter
import re
from lxml import etree
class ajax(baseGrepPlugin):
'''
Grep every page for traces of Ajax code.
@author: Andres Riancho ( andres.riancho@gmail.com )
'''
def __init__(self):
baseGrepPlugin.__init__(self)
# Internal variables
self._already_inspected = scalable_bloomfilter()
# Create the regular expression to search for AJAX
ajax_regex_string = '(XMLHttpRequest|eval\(|ActiveXObject|Msxml2\.XMLHTTP|'
ajax_regex_string += 'ActiveXObject|Microsoft\.XMLHTTP)'
self._ajax_regex_re = re.compile( ajax_regex_string, re.IGNORECASE )
# Compile the XPATH
self._script_xpath = etree.XPath('.//script')
def grep(self, request, response):
'''
Plugin entry point.
@parameter request: The HTTP request object.
@parameter response: The HTTP response object
@return: None, all results are saved in the kb.
Init
>>> from core.data.url.httpResponse import httpResponse
>>> from core.data.request.fuzzableRequest import fuzzableRequest
>>> from core.controllers.misc.temp_dir import create_temp_dir
>>> from core.data.parsers.urlParser import url_object
>>> o = create_temp_dir()
Simple test, empty string.
>>> body = ''
>>> url = url_object('http://www.w3af.com/')
>>> headers = {'content-type': 'text/html'}
>>> response = httpResponse(200, body , headers, url, url)
>>> request = fuzzableRequest(url, method='GET')
>>> a = ajax()
>>> a.grep(request, response)
>>> assert len(kb.kb.getData('ajax', 'ajax')) == 0
Discover ajax!
>>> body = '<html><head><script>xhr = new XMLHttpRequest(); xhr.open(GET, "data.txt", true); </script></head><html>'
>>> url = url_object('http://www.w3af.com/')
>>> headers = {'content-type': 'text/html'}
>>> response = httpResponse(200, body , headers, url, url)
>>> request = fuzzableRequest(url, method='GET')
>>> a = ajax()
>>> a.grep(request, response)
>>> assert len(kb.kb.getData('ajax', 'ajax')) == 1
Discover ajax with a broken script tag that doesn't close
>>> kb.kb.save('ajax','ajax',[])
>>> body = '<html><head><script>xhr = new XMLHttpRequest(); xhr.open(GET, "data.txt", true); </head><html>'
>>> url = url_object('http://www.w3af.com/')
>>> headers = {'content-type': 'text/html'}
>>> response = httpResponse(200, body , headers, url, url)
>>> request = fuzzableRequest(url, method='GET')
>>> a = ajax()
>>> a.grep(request, response)
>>> assert len(kb.kb.getData('ajax', 'ajax')) == 1
Discover ajax with a broken script, head and html tags.
>>> kb.kb.save('ajax','ajax',[])
>>> body = '<html><head><script>xhr = new XMLHttpRequest(); xhr.open(GET, "data.txt", true);'
>>> url = url_object('http://www.w3af.com/')
>>> headers = {'content-type': 'text/html'}
>>> response = httpResponse(200, body , headers, url, url)
>>> request = fuzzableRequest(url, method='GET')
>>> a = ajax()
>>> a.grep(request, response)
>>> assert len(kb.kb.getData('ajax', 'ajax')) == 1
Another ajax function, no broken html.
>>> kb.kb.save('ajax','ajax',[])
>>> body = '<html><head><script> ... xhr = new ActiveXObject("Microsoft.XMLHTTP"); ... </script></head><html>'
>>> url = url_object('http://www.w3af.com/')
>>> headers = {'content-type': 'text/html'}
>>> response = httpResponse(200, body , headers, url, url)
>>> request = fuzzableRequest(url, method='GET')
>>> a = ajax()
>>> a.grep(request, response)
>>> assert len(kb.kb.getData('ajax', 'ajax')) == 1
Two functions, I only want one report for this page.
>>> kb.kb.save('ajax','ajax',[])
>>> body = '<script> ... xhr = new XMLHttpRequest(); ... xhr = new ActiveXObject("Microsoft.XMLHTTP"); ... </script>'
>>> url = url_object('http://www.w3af.com/')
>>> headers = {'content-type': 'text/html'}
>>> response = httpResponse(200, body , headers, url, url)
>>> request = fuzzableRequest(url, method='GET')
>>> a = ajax()
>>> a.grep(request, response)
>>> len(kb.kb.getData('ajax', 'ajax'))
1
'''
url = response.getURL()
if response.is_text_or_html() and url not in self._already_inspected:
# Don't repeat URLs
self._already_inspected.add(url)
dom = response.getDOM()
# In some strange cases, we fail to normalize the document
if dom is not None:
script_elements = self._script_xpath( dom )
for element in script_elements:
# returns the text between <script> and </script>
script_content = element.text
if script_content is not None:
res = self._ajax_regex_re.search(script_content)
if res:
i = info.info()
i.setPluginName(self.getName())
i.setName('AJAX code')
i.setURL(url)
i.setDesc('The URL: "%s" has an AJAX code.' % url)
i.setId(response.id)
i.addToHighlight(res.group(0))
kb.kb.append(self, 'ajax', i)
def setOptions( self, OptionList ):
pass
def getOptions( self ):
'''
@return: A list of option objects for this plugin.
'''
ol = optionList()
return ol
def end(self):
'''
This method is called when the plugin wont be used anymore.
'''
self.printUniq( kb.kb.getData( 'ajax', 'ajax' ), 'URL' )
def getPluginDeps( self ):
'''
@return: A list with the names of the plugins that should be run before the
current one.
'''
return []
def getLongDesc( self ):
'''
@return: A DETAILED description of the plugin functions and features.
'''
return '''
This plugin greps every page for traces of Ajax code.
'''
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