Fallo en la previsualización de CNN

tgxworld · 8 Mayo, 2024 05:33

Esto se soluciona con

github.com/discourse/discourse

FIX: Attempt to onebox even if response body exceeds `max_download_kb`

main ← fix_dont_throw_away_response_body_when_max_download_exceeded

opened 05:28AM - 08 May 24 UTC

tgxworld

+45 -4

In 95a82d608d6377faf68a0e2c5d9640b043557852, we lowered the default for `Onebox….options.max_download_kb` from 10mb to 2mb for security hardening purposes. However, this resulted in multiple bug reports where seemingly nomral URLs stopped being oneboxed. It turns out that lowering `Onebox.options.max_download_kb` resulted in `Onebox::Helpers::DownloadTooLarge` being raised more often for more URLs in `Onebox::Helpers.fetch_response` which `Onebox::Helpers.fetch_html_doc` relies on. When `Onebox::Helpers::DownloadTooLarge` is raised in `Onebox::Helpers.fetch_response`, we throw away whatever response body which we have already downloaded at that point. This is not ideal because Nokogiri can parse incomplete HTML documents and there is a really high chance that the incomplete HTML document contains the information which we need for generating a reasonable onebox. Therefore, this commit updates `Onebox::Helpers.fetch_html_doc` to not throw away the response body when the size of the response body exceeds `Onebox.options.max_download_size`. Instead, we just take whatever we have and get Nokogiri to parse it.

Localmente, las URL “problemáticas” reportadas en este tema ya no muestran un error cuando intentamos hacer onebox.

Tema		Respuestas	Vistas
Oneboxing large images fails with no visual cue Bug onebox	47	1547	4 Mayo 2023
Onebox links result in large image downloads Feature	2	473	14 Diciembre 2022
Can't override size of image oneboxes Feature	3	805	18 Junio 2017
Onebox issue with a specific site Support onebox	14	1624	2 Marzo 2019
Onebox settings being ignored on edits Support	4	559	24 Marzo 2022

Fallo en la previsualización de CNN

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