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Commit Graph

6 Commits

Author SHA1 Message Date
Markus Heiser
542f7d0d7b [mod] pylint all files with one profile / drop PYLINT_SEARXNG_DISABLE_OPTION
In the past, some files were tested with the standard profile, others with a
profile in which most of the messages were switched off ... some files were not
checked at all.

- ``PYLINT_SEARXNG_DISABLE_OPTION`` has been abolished
- the distinction ``# lint: pylint`` is no longer necessary
- the pylint tasks have been reduced from three to two

  1. ./searx/engines -> lint engines with additional builtins
  2. ./searx ./searxng_extra ./tests -> lint all other python files

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
2024-03-11 14:55:38 +01:00
Markus Heiser
fd814aac86 [mod] isolation of botdetection from the limiter
This patch was inspired by the discussion around PR-2882 [2].  The goals of this
patch are:

1. Convert plugin searx.plugin.limiter to normal code [1]
2. isolation of botdetection from the limiter [2]
3. searx/{tools => botdetection}/config.py and drop searx.tools
4. in URL /config, 'limiter.enabled' is true only if the limiter is really
   enabled (Redis is available).

This patch moves all the code that belongs to botdetection into namespace
searx.botdetection and code that belongs to limiter is placed in namespace
searx.limiter.

Tthe limiter used to be a plugin at some point botdetection was added, it was
not a plugin.  The modularization of these two components was long overdue.
With the clear modularization, the documentation could then also be organized
according to the architecture.

[1] https://github.com/searxng/searxng/pull/2882
[2] https://github.com/searxng/searxng/pull/2882#issuecomment-1741716891

To test:

- check the app works without the limiter, check `/config`
- check the app works with the limiter and with the token, check `/config`
- make docs.live .. and read
  - http://0.0.0.0:8000/admin/searx.limiter.html
  - http://0.0.0.0:8000/src/searx.botdetection.html#botdetection

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
2023-11-01 06:44:56 +01:00
Markus Heiser
3294e7cfe4 [fix] reduce error logs related to X-Forwarded-For & X-Real-IP headers
To test start a `make run` instance and query multiple times for `ip` (the
answerer), you should see only once the error message(s):

    ERROR   searx.botdetection            : X-Forwarded-For header is not set!
    ERROR   searx.botdetection            : X-Real-IP header is not set!

[1] https://github.com/searxng/searxng-docker/discussions/174
[2] https://github.com/searxng/searxng-docker/pull/162#issuecomment-1692834457

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
2023-08-28 08:05:17 +02:00
Markus Heiser
f3763d73ad [mod] limiter: blocklist and passlist (ip_lists)
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>
2023-06-05 14:07:19 +02:00
Markus Heiser
281e36f4b7 [fix] limiter: replace real_ip by IPv4/v6 network
Closes: https://github.com/searxng/searxng/issues/2477
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
2023-06-01 15:51:14 +02:00
Markus Heiser
b8c7c2c9aa [mod] botdetection - improve ip_limit and link_token methods
- counting requests in LONG_WINDOW and BURST_WINDOW is not needed when the
  request is validated by the link_token method [1]

- renew a ping-key on validation [2], this is needed for infinite scrolling,
  where no new token (CSS) is loaded. / this does not fix the BURST_MAX issue in
  the vanilla limiter

- normalize the counter names of the ip_limit method to 'ip_limit.*'

- just integrate the ip_limit method straight forward in the limiter plugin /
  non intermediate code --> ip_limit now returns None or a werkzeug.Response
  object that can be passed by the plugin to the flask application / non
  intermediate code that returns a tuple

[1] https://github.com/searxng/searxng/pull/2357#issuecomment-1566113277
[2] https://github.com/searxng/searxng/pull/2357#discussion_r1208542206
[3] https://github.com/searxng/searxng/pull/2357#issuecomment-1566125979

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
2023-06-01 14:38:53 +02:00