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[mod] Revision of the favicon solution

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All favicons implementations have been documented and moved to the Python
package:

    searx.favicons

There is a configuration (based on Pydantic) for the favicons and all its
components:

    searx.favicons.config

A solution for caching favicons has been implemented:

    searx.favicon.cache

If the favicon is already in the cache, the returned URL is a data URL [1]
(something like `data:image/png;base64,...`).  By generating a data url from
the FaviconCache, additional HTTP roundtripps via the favicon_proxy are saved:

    favicons.proxy.favicon_url

The favicon proxy service now sets a HTTP header "Cache-Control: max-age=...":

    favicons.proxy.favicon_proxy

The resolvers now also provide the mime type (data, mime):

    searx.favicon.resolvers

[1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URLs

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser 2024-08-19 17:47:54 +02:00
parent f3ed9b2d2a
commit bcc4e4c67d
21 changed files with 1039 additions and 181 deletions
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14
searx/templates/simple/macros.html
View file

@ -23,12 +23,7 @@
{{- result_open_link(result.url, "url_wrapper") -}}
{% if not rtl %}
{%- if favicon_resolver != "" %}
<div class="favicon">
<img
alt="{{ result.parsed_url.netloc }}"
src="{{ favicon_proxify(result.parsed_url.netloc) }}"
>
</div>
<div class="favicon"><img loading="lazy" src="{{ favicon_url(result.parsed_url.netloc) }}"></div>
{%- endif -%}
{%- endif -%}
{%- for part in get_pretty_url(result.parsed_url) -%}
@ -36,12 +31,7 @@
{%- endfor %}
{% if rtl %}
{%- if favicon_resolver != "" %}
<div class="favicon">
<img
alt="{{ result.parsed_url.netloc }}"
src="{{ favicon_proxify(result.parsed_url.netloc) }}"
>
</div>
<div class="favicon"><img loading="lazy" src="{{ favicon_url(result.parsed_url.netloc) }}"></div>
{%- endif -%}
{%- endif -%}
{{- result_close_link() -}}