1 files changed, 44 insertions, 0 deletions
diff --git a/searx/plugins/tracker_url_remover.py b/searx/plugins/tracker_url_remover.py
new file mode 100644
index 0000000..a840128
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+++ b/searx/plugins/tracker_url_remover.py
@@ -0,0 +1,44 @@
+'''
+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
+
+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, search, result):
+    query = result['parsed_url'].query
+
+    if query == "":
+        return True
+
+    for reg in regexes:
+        query = reg.sub('', query)
+
+    if query != result['parsed_url'].query:
+        result['parsed_url'] = result['parsed_url']._replace(query=query)
+        result['url'] = urlunparse(result['parsed_url'])
+
+    return True