diff --git a/searx/plugins/limiter.py b/searx/plugins/limiter.py
index c7d74248b..69bd576d4 100644
--- a/searx/plugins/limiter.py
+++ b/searx/plugins/limiter.py
@@ -14,6 +14,8 @@ Enable the plugin in ``settings.yml``:
"""
import re
+import string
+import random
from flask import request
from searx import redisdb
@@ -54,6 +56,27 @@ def ping():
redis_client.set(secret_hash(ping_key), 1, ex=600)
+def get_token():
+ redis_client = redisdb.client()
+ if not redis_client:
+ # This function is also called when limiter is inactive / no redis DB
+ # (see render function in webapp.py)
+ return '12345678'
+ token = redis_client.get(TOKEN_KEY)
+ if token:
+ token = token.decode('UTF-8')
+ else:
+ token = ''.join(random.choice(string.ascii_lowercase + string.digits) for _ in range(8))
+ redis_client.set(TOKEN_KEY, token, ex=600)
+ return token
+
+
+def token_is_valid(token):
+ valid = token == get_token()
+ logger.debug("token is valid --> %s", valid)
+ return valid
+
+
def is_accepted_request() -> bool:
# pylint: disable=too-many-return-statements
redis_client = redisdb.client()
@@ -83,7 +106,7 @@ def is_accepted_request() -> bool:
c_burst = incr_sliding_window(redis_client, 'IP limit, burst' + x_forwarded_for, 20)
c_10min = incr_sliding_window(redis_client, 'IP limit, 10 minutes' + x_forwarded_for, 600)
if c_burst > c_burst_max or c_10min > c_10min_max:
- logger.debug("BLOCK %s: to many request", x_forwarded_for)
+ logger.debug("BLOCK %s: too many request", x_forwarded_for)
return False
if len(request.headers.get('Accept-Language', '').strip()) == '':
diff --git a/searx/templates/simple/base.html b/searx/templates/simple/base.html
index dfe4ea265..9f7cdbb8e 100644
--- a/searx/templates/simple/base.html
+++ b/searx/templates/simple/base.html
@@ -18,7 +18,7 @@
{% endif %}
{% if get_setting('server.limiter') %}
-
+
{% endif %}
{% block styles %}{% endblock %}
diff --git a/searx/webapp.py b/searx/webapp.py
index 67265e542..815bfcabd 100755
--- a/searx/webapp.py
+++ b/searx/webapp.py
@@ -416,6 +416,7 @@ def render(template_name: str, **kwargs):
kwargs['endpoint'] = 'results' if 'q' in kwargs else request.endpoint
kwargs['cookies'] = request.cookies
kwargs['errors'] = request.errors
+ kwargs['limiter_token'] = limiter.get_token()
# values from the preferences
kwargs['preferences'] = request.preferences
@@ -642,9 +643,10 @@ def health():
return Response('OK', mimetype='text/plain')
-@app.route('/limiter.css', methods=['GET', 'POST'])
-def limiter_css():
- limiter.ping()
+@app.route('/limiter.css', methods=['GET', 'POST'])
+def limiter_css(token=None):
+ if limiter.token_is_valid(token):
+ limiter.ping()
return Response('', mimetype='text/css')