[mod] compress saved preferences in url

1 files changed, 13 insertions, 2 deletions

diff --git a/searx/preferences.py b/searx/preferences.py
index 92fe3853c..d10f4ffc7 100644
--- a/searx/preferences.py
+++ b/searx/preferences.py
@@ -1,6 +1,13 @@
+from base64 import urlsafe_b64encode, urlsafe_b64decode
+from zlib import compress, decompress
+from sys import version
+
 from searx import settings, autocomplete
 from searx.languages import language_codes as languages
-from searx.url_utils import urlencode
+from searx.url_utils import parse_qs, urlencode
+
+if version[0] == '3':
+    unicode = str
 
 
 COOKIE_MAX_AGE = 60 * 60 * 24 * 365 * 5  # 5 years
@@ -279,7 +286,11 @@ class Preferences(object):
         settings_kv['disabled_plugins'] = ','.join(self.plugins.disabled)
         settings_kv['enabled_plugins'] = ','.join(self.plugins.enabled)
 
-        return urlencode(settings_kv)
+        return urlsafe_b64encode(compress(urlencode(settings_kv).encode('utf-8'))).decode('utf-8')
+
+    def parse_encoded_data(self, input_data):
+        decoded_data = decompress(urlsafe_b64decode(input_data.encode('utf-8')))
+        self.parse_dict({x: y[0] for x,y in parse_qs(unicode(decoded_data)).items()})
 
     def parse_dict(self, input_data):
         for user_setting_name, user_setting in input_data.items():