searxng/searx/plugins/tracker_url_remover.py

55 lines
1.7 KiB
Python

'''
searx is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
searx 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with searx. If not, see < http://www.gnu.org/licenses/ >.
(C) 2015 by Adam Tauber, <asciimoo@gmail.com>
'''
from flask_babel import gettext
import re
from searx.url_utils import urlunparse, parse_qsl, urlencode
regexes = {re.compile(r'utm_[^&]+'),
re.compile(r'(wkey|wemail)[^&]*'),
re.compile(r'&$')}
name = gettext('Tracker URL remover')
description = gettext('Remove trackers arguments from the returned URL')
default_on = True
preference_section = 'privacy'
def on_result(request, search, result):
if 'parsed_url' not in result:
return True
query = result['parsed_url'].query
if query == "":
return True
parsed_query = parse_qsl(query)
changed = False
for i, (param_name, _) in enumerate(list(parsed_query)):
for reg in regexes:
if reg.match(param_name):
parsed_query.pop(i)
changed = True
break
if changed:
result['parsed_url'] = result['parsed_url']._replace(query=urlencode(parsed_query))
result['url'] = urlunparse(result['parsed_url'])
return True