140 lines
4.6 KiB
Python
140 lines
4.6 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright Grégory Soutadé 2015
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# This file is part of iwla
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# iwla is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# iwla is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU 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 iwla. If not, see <http://www.gnu.org/licenses/>.
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#
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import re
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from iwla import IWLA
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from iplugin import IPlugin
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"""
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Post analysis hook
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Find feeds parsers (first hit in feeds conf value and no viewed pages if it's a robot)
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If there is ony one hit per day to a feed, merge feeds parsers with the same user agent
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as it must be the same person with a different IP address.
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Plugin requirements :
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None
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Conf values needed :
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feeds
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merge_one_hit_only_feeds_parsers*
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Output files :
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None
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Statistics creation :
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remote_addr =>
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feed_parser
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Statistics update :
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None
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Statistics deletion :
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None
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"""
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class IWLAPostAnalysisFeeds(IPlugin):
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NOT_A_FEED_PARSER = 0
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FEED_PARSER = 1
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MERGED_FEED_PARSER = 2
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BAD_FEED_PARSER = 3
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def __init__(self, iwla):
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super(IWLAPostAnalysisFeeds, self).__init__(iwla)
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self.API_VERSION = 1
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self.conf_requires = ['feeds']
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def load(self):
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feeds = self.iwla.getConfValue('feeds', None)
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self.merge_one_hit_only_feeds_parsers = self.iwla.getConfValue('merge_one_hit_only_feeds_parsers', True)
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if feeds is None: return False
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self.feeds_re = []
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for f in feeds:
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self.feeds_re.append(re.compile(r'.*%s.*' % (f)))
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self.bad_feeds_re = []
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self.bad_feeds_re.append(re.compile(r'.*crawl.*'))
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self.user_agents_re = []
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self.user_agents_re.append(re.compile(r'.*rss.*'))
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self.user_agents_re.append(re.compile(r'.*atom.*'))
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self.user_agents_re.append(re.compile(r'.*feed.*'))
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return True
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def mergeOneHitOnlyFeedsParsers(self, isFeedParser, one_hit_only, hit):
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if isFeedParser and (hit['viewed_hits'][0] + hit['not_viewed_hits'][0]) == 1:
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user_agent = hit['requests'][0]['http_user_agent'].lower()
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if one_hit_only.get(user_agent, None) is None:
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# Merged
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isFeedParser = self.MERGED_FEED_PARSER
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one_hit_only[user_agent] = (hit)
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else:
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isFeedParser = self.NOT_A_FEED_PARSER
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hit['feed_parser'] = isFeedParser
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def hook(self):
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hits = self.iwla.getCurrentVisits()
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one_hit_only = {}
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for hit in hits.values():
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isFeedParser = hit.get('feed_parser', None)
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if isFeedParser == self.FEED_PARSER and\
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self.merge_one_hit_only_feeds_parsers:
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self.mergeOneHitOnlyFeedsParsers(isFeedParser, one_hit_only, hit)
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if isFeedParser:
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if hit['feed_parser'] == self.BAD_FEED_PARSER: continue
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if not hit.get('feed_name_analysed', False) and\
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hit.get('dns_name_replaced', False):
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hit['feed_name_analysed'] = True
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addr = hit.get('remote_addr', None)
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for r in self.bad_feeds_re:
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if r.match(addr):
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hit['feed_parser'] = self.BAD_FEED_PARSER
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return
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return
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isFeedParser = self.NOT_A_FEED_PARSER
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uri = hit['requests'][0]['extract_request']['extract_uri'].lower()
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for regexp in self.feeds_re:
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if regexp.match(uri):
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isFeedParser = self.FEED_PARSER
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# Robot that views pages -> bot
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if hit['robot']:
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if hit['not_viewed_pages'][0]:
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isFeedParser = self.NOT_A_FEED_PARSER
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break
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if isFeedParser == self.NOT_A_FEED_PARSER:
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user_agent = hit['requests'][0]['http_user_agent'].lower()
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for regexp in self.user_agents_re:
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if regexp.match(user_agent):
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isFeedParser = self.FEED_PARSER
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break
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if self.merge_one_hit_only_feeds_parsers:
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self.mergeOneHitOnlyFeedsParsers(isFeedParser, one_hit_only, hit)
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else:
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hit['feed_parser'] = isFeedParser
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