|
|
|
@ -13,10 +13,11 @@ Enable the plugin in ``settings.yml``:
|
|
|
|
|
- ``redis.url: ...`` check the value, see :ref:`settings redis`
|
|
|
|
|
"""
|
|
|
|
|
|
|
|
|
|
import ipaddress
|
|
|
|
|
import re
|
|
|
|
|
from flask import request
|
|
|
|
|
|
|
|
|
|
from searx import redisdb
|
|
|
|
|
from searx import get_setting, redisdb
|
|
|
|
|
from searx.redislib import incr_sliding_window
|
|
|
|
|
|
|
|
|
|
name = "Request limiter"
|
|
|
|
@ -36,12 +37,30 @@ re_bot = re.compile(
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WHITELISTED_IPS = get_setting('server.limiter_whitelist_ip', default=[])
|
|
|
|
|
WHITELISTED_SUBNET = get_setting('server.limiter_whitelist_subnet', default=[])
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def is_whitelist_ip(ip):
|
|
|
|
|
'''
|
|
|
|
|
Check if the given IP address belongs to the whitelisted list
|
|
|
|
|
of IP addresses or subnets.
|
|
|
|
|
'''
|
|
|
|
|
return ip in WHITELISTED_IPS or any(ipaddress.ip_address(ip) in
|
|
|
|
|
ipaddress.ip_network(subnet)
|
|
|
|
|
for subnet in WHITELISTED_SUBNET)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def is_accepted_request() -> bool:
|
|
|
|
|
# pylint: disable=too-many-return-statements
|
|
|
|
|
redis_client = redisdb.client()
|
|
|
|
|
user_agent = request.headers.get('User-Agent', '')
|
|
|
|
|
x_forwarded_for = request.headers.get('X-Forwarded-For', '')
|
|
|
|
|
|
|
|
|
|
# if the request source ip belongs to the whitelisted list of ip addresses or subnets
|
|
|
|
|
if is_whitelist_ip(x_forwarded_for):
|
|
|
|
|
return True
|
|
|
|
|
|
|
|
|
|
if request.path == '/image_proxy':
|
|
|
|
|
if re_bot.match(user_agent):
|
|
|
|
|
return False
|
|
|
|
|