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[mod] limiter: blocklist and passlist (ip_lists)

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A blocklist and a passlist can be configured in /etc/searxng/limiter.toml::

    [botdetection.ip_lists]
    pass_ip = [
      '51.15.252.168',  # IPv4 of check.searx.space
    ]

    block_ip = [
      '93.184.216.34',  # IPv4 of example.org
    ]

Closes: https://github.com/searxng/searxng/issues/2127
Closes: https://github.com/searxng/searxng/pull/2129
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser
2023-06-03 13:43:34 +02:00
parent de2f396e50
commit f3763d73ad
7 changed files with 150 additions and 13 deletions
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9
searx/botdetection/_helpers.py
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@@ -6,8 +6,8 @@ from __future__ import annotations
from ipaddress import (
IPv4Network,
IPv6Network,
IPv4Address,
IPv6Address,
ip_address,
ip_network,
)
import flask
@@ -46,11 +46,10 @@ def too_many_requests(network: IPv4Network | IPv6Network, log_msg: str) -> werkz
return flask.make_response(('Too Many Requests', 429))
def get_network(real_ip: str, cfg: config.Config) -> IPv4Network | IPv6Network:
def get_network(real_ip: IPv4Address | IPv6Address, cfg: config.Config) -> IPv4Network | IPv6Network:
"""Returns the (client) network of whether the real_ip is part of."""
ip = ip_address(real_ip)
if isinstance(ip, IPv6Address):
if real_ip.version == 6:
prefix = cfg['real_ip.ipv6_prefix']
else:
prefix = cfg['real_ip.ipv4_prefix']
@@ -99,7 +98,7 @@ def get_real_ip(request: flask.Request) -> str:
from .limiter import get_cfg # pylint: disable=import-outside-toplevel, cyclic-import
forwarded_for = [x.strip() for x in forwarded_for.split(',')]
x_for: int = get_cfg()['real_ip.x_for']
x_for: int = get_cfg()['real_ip.x_for'] # type: ignore
forwarded_for = forwarded_for[-min(len(forwarded_for), x_for)]
if not real_ip: