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'''
blankBody.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.option import option
from core.data.options.optionList import optionList
from core.controllers.basePlugin.baseGrepPlugin import baseGrepPlugin
from core.data.db.temp_persist import disk_list
import core.data.kb.knowledgeBase as kb
import core.data.kb.info as info
class blankBody(baseGrepPlugin):
'''
Find responses with empty body.
@author: Andres Riancho ( andres.riancho@gmail.com )
'''
def __init__(self):
baseGrepPlugin.__init__(self)
self._already_reported = disk_list()
def grep(self, request, response):
'''
Plugin entry point, find the blank bodies and report them.
@parameter request: The HTTP request object.
@parameter response: The HTTP response object
@return: None
'''
if response.getBody() == '' and request.getMethod() in ['GET', 'POST']\
and response.getCode() not in [401, 304] and 'location' not in response.getLowerCaseHeaders()\
and response.getURL() not in self._already_reported:
# report these informations only once
self._already_reported.append( response.getURL() )
# append the info object to the KB.
i = info.info()
i.setName('Blank body')
i.setURL( response.getURL() )
i.setId( response.id )
msg = 'The URL: "'+ response.getURL() + '" returned an empty body. '
msg += 'This could indicate an error.'
i.setDesc(msg)
kb.kb.append( self, 'blankBody', i )
def setOptions( self, OptionList ):
'''
Nothing to do here, no options.
'''
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( 'blankBody', 'blankBody' ), None )
def getPluginDeps( self ):
'''
@return: A list with the names of the plugins that should be runned before the
current one.
'''
return []
def getLongDesc( self ):
'''
@return: A DETAILED description of the plugin functions and features.
'''
return '''
This plugin finds HTTP responses with a blank body, these responses may indicate errors or
misconfigurations in the web application or the web server.
'''
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