iwla/plugins/pre_analysis/page_to_hit.py

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# -*- coding: utf-8 -*-
#
# Copyright Grégory Soutadé 2015
# This file is part of iwla
# iwla 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, either version 3 of the License, or
# (at your option) any later version.
#
# iwla 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 iwla. If not, see <http://www.gnu.org/licenses/>.
#
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import re
import logging
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from iwla import IWLA
from iplugin import IPlugin
"""
Pre analysis hook
Change page into hit and hit into page into statistics
Plugin requirements :
None
Conf values needed :
page_to_hit_conf*
hit_to_page_conf*
Output files :
None
Statistics creation :
None
Statistics update :
visits :
remote_addr =>
is_page
Statistics deletion :
None
"""
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class IWLAPreAnalysisPageToHit(IPlugin):
def __init__(self, iwla):
super(IWLAPreAnalysisPageToHit, self).__init__(iwla)
self.API_VERSION = 1
def load(self):
# Page to hit
self.ph_regexps = self.iwla.getConfValue('page_to_hit_conf', [])
self.ph_regexps = map(lambda(r): re.compile(r), self.ph_regexps)
# Hit to page
self.hp_regexps = self.iwla.getConfValue('hit_to_page_conf', [])
self.hp_regexps = map(lambda(r): re.compile(r), self.hp_regexps)
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self.logger = logging.getLogger(self.__class__.__name__)
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return True
def hook(self):
hits = self.iwla.getCurrentVisits()
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for (k, super_hit) in hits.items():
if super_hit['robot']: continue
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for request in super_hit['requests'][::-1]:
if not self.iwla.isValidForCurrentAnalysis(request):
break
if not self.iwla.hasBeenViewed(request):
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continue
uri = request['extract_request']['extract_uri']
if request['is_page']:
# Page to hit
for regexp in self.ph_regexps:
if regexp.match(uri):
self.logger.debug('%s changed from page to hit' % (uri))
request['is_page'] = False
super_hit['viewed_pages'] -= 1
super_hit['viewed_hits'] += 1
break
else:
# Hit to page
for regexp in self.hp_regexps:
if regexp.match(uri):
self.logger.debug('%s changed from hit to page' % (uri))
request['is_page'] = True
super_hit['viewed_pages'] += 1
super_hit['viewed_hits'] -= 1
break