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'''
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 urlparse import urlunparse
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
def on_result(request, ctx):
query = ctx['result']['parsed_url'].query
if query == "":
return True
for reg in regexes:
query = reg.sub('', query)
if query != ctx['result']['parsed_url'].query:
ctx['result']['parsed_url'] = ctx['result']['parsed_url']._replace(query=query)
ctx['result']['url'] = urlunparse(ctx['result']['parsed_url'])
return True
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