Since moving our Medium blog to our own subdomain, we are consistently having this error every time we share a blog post on our forum. I have validated the links with OpenGraph, and they seem to work fine. Examples: https://blog.sphere.me/one-year-into-lockdown-how-has-work-life-balance-changed-a…

[圖片] simonb: https://blog.sphere.me/chrissy-teigen-and-twitters-reckoning-where-do-digital-spaces-go-from-here-40bf4c149752 Something about your setup is weird. If I issue a GET to this URL I get a sequence of redirects: GET → 307 → 302 → 200 However, if I issue a HEAD I get a 200 straight…

Thanks Rafael, All we did (as far as I’m aware) was use Medium’s new custom domain implementation and created the relevant A Name records. Would this therefore be an issue to raise with Medium? I’ve asked our Head of Infrastructure in case it’s something with how our domain is set up.

Maybe contact Medium support about it?

hi @Falco - i have heard back from Medium support, and this is what they have asked. Could you tell us what User-Agent header Onebox is sending? We can skip that redirects for requests from bots/scrapers that we can identify. Could you please let me know how best to respond :pray:

[圖片] simonb: (p.s talljeff says hi to jeff a!) Whoa! I missed this! Send him a hug :hugs: We can also repro with this medium entry which also generates a 500. https://crypto-anonymous-2021.medium.com/the-bit-short-inside-cryptos-doomsday-machine-f8dcf78a64d3

@eviltrout hope it’s OK to tag you as I see you worked on this before. Is this still the correct user agent header that I can send to Medium support? [圖片] Onebox user agent Feature This commit adds a custom User-Agent to discourse oneboxes: https://github.co…

@simonb the failure to onebox was tracked to a bug handling the 307 response here: [圖片] Falco: GET → 307 → 302 → 200 This PR will fix it when merged: https://github.com/discourse/onebox/pull/476/files

That’s fantastic news. Thank you so much! :purple_heart:

https://blog.sphere.me/one-year-into-lockdown-how-has-work-life-balance-changed-ad48aa73e57f?source=collection_home---4------1----------------------- The Onebox fixes have been merged in and deployed. You should be good to go now!

Amazing! Thank you so much. Looks like I’ve got a few posts to go back and edit tomorrow :smiling_face:

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Falco (Falco) 2021年五月11日 16:41 10

@simonb 无法生成 onebox 的问题已追踪到处理 307 响应的一个 bug，详情如下：

此 PR 合并后将修复该问题：

Onebox previews are not working for my site

話題		回覆	觀看
Medium oneboxes are broken Support	6	1349	2017年十二月27日
Medium Onebox support Feature	7	1036	2024年一月6日
Onebox no longer works for my wordpress site Support	11	1866	2017年六月12日
Bug in onebox - link being rendered as a Gist when it isn't Support	3	632	2021年九月9日
Did onebox change? They're not showing for my main site any longer Support	6	1469	2017年六月6日

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