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08ef986e58
while PR #2357 [1] was being implemented the question came up:
would be better to change the PING resource from CSS to an image so that
some terminal based browser may still able to pass the test [1]
This patch implements a POC in where a <img src=token> tag is loaded instaed a
CSS.
To test this patch activate limiter and link_token method [3] and start a
developer instance::
make run
In your terminal browser open http://127.0.0.1:8888/search?q=foo
If the browser is suitable for the link_token method, it loads the image and the
following messages appear::
DEBUG searx.botdetection.limiter : OK 127.0.0.1/32: /clientft61aak7fzyu6o6v.svg ...
DEBUG searx.botdetection.link_token : token is valid --> True
DEBUG searx.botdetection.link_token : store ping_key for (client) network 127.0.0.1/32 (IP 127.0.0.1) -> SearXNG_limiter.ping[...]
Browsers that do not load images will be blocked: If you try by example::
lynx http://127.0.0.1:8888/search?q=foo
you will see a WARNING message like::
WARNING searx.botdetection.link_token : missing ping (IP: 127.0.0.1/32) / request: SearXNG_limiter.ping[...]
Modern terminal WEB browser do support `<img>` tag as well as CSS:
browsh http://127.0.0.1:8888/search?q=foo
----
[1]
|
||
|---|---|---|
| .. | ||
| elements | ||
| filters | ||
| messages | ||
| preferences | ||
| result_templates | ||
| 404.html | ||
| base.html | ||
| categories.html | ||
| icons.html | ||
| index.html | ||
| info.html | ||
| macros.html | ||
| new_issue.html | ||
| opensearch.xml | ||
| opensearch_response_rss.xml | ||
| page_with_header.html | ||
| preferences.html | ||
| results.html | ||
| search.html | ||
| searxng-wordmark.min.svg | ||
| simple_search.html | ||
| stats.html | ||
