Por que os threads do Discourse supostamente federados pelo ActivityPub são inacessíveis por clientes AP externos?

angus · Maio 20, 2025, 8:11am

Isso será resolvido em breve. Veja mais:

github.com/mastodon/mastodon

Posts from Discourse do not resolve via the Search API

opened 02:05AM - 07 May 25 UTC

closed 12:01PM - 21 May 25 UTC

trwnh

api activitypub

### Steps to reproduce the problem Call `/api/v2/search` with `resolve=true` fo…r a `q`uery of a Discourse post -- for example, https://meta.discourse.org/ap/object/5874fad7df806caa1fe34c382c1d2991 ### Expected behaviour The object should be resolved as a Status ### Actual behaviour The search returns no results ### Detailed description Per https://browser.pub/https://meta.discourse.org/ap/object/5874fad7df806caa1fe34c382c1d2991 the payload is as follows: ```http HTTP/1.1 200 OK cache-control: no-cache, no-store cf-cache-status: DYNAMIC cf-ray: 93bd1fc4d4df6773-ATL connection: keep-alive content-type: application/activity+json; charset=utf-8 cross-origin-opener-policy: same-origin date: Wed, 07 May 2025 02:00:30 GMT referrer-policy: strict-origin-when-cross-origin server: cloudflare strict-transport-security: max-age=31536000 transfer-encoding: chunked vary: Accept x-content-type-options: nosniff x-discourse-route: discourse_activity_pub/ap/objects/show x-frame-options: SAMEORIGIN x-permitted-cross-domain-policies: none x-request-id: d70bb69f-bf6b-4084-9d6a-342fa1c33df9 x-xss-protection: 0 { "id": "https://meta.discourse.org/ap/object/5874fad7df806caa1fe34c382c1d2991", "type": "Note", "audience": "https://meta.discourse.org/ap/actor/a1ba34f9dd25f8ad96ce6efcbfb931e5", "to": [ "https://www.w3.org/ns/activitystreams#Public", "https://meta.discourse.org/ap/actor/a1ba34f9dd25f8ad96ce6efcbfb931e5" ], "cc": [ "https://meta.discourse.org/ap/actor/a1ba34f9dd25f8ad96ce6efcbfb931e5" ], "published": "2025-05-04T09:22:51Z", "updated": "2025-05-04T09:22:51Z", "url": "https://meta.discourse.org/t/why-are-supposedly-activitypub-federated-discourse-threads-inaccessible-via-external-ap-clients/356997/9", "attributedTo": "https://meta.discourse.org/ap/actor/d721191fe3a461470f2dbbf85c1cc98e", "context": "https://meta.discourse.org/ap/collection/0a5f1ca375b3dd95ce3e810e567f305c", "content": "icaria36:<blockquote><code>https://meta.discourse.org/t/why-are-supposedly-activitypub-federated-discourse-threads-inaccessible-via-external-ap-clients/356997</code> cannot be found on Mastodon.</blockquote>@icaria36, it's probably a fault of Mastodon's, then, since Discourse federates it:<a href=\"https://github.com/mastodon/mastodon/discussions/34600#discussion-8278099\">https://github.com/mastodon/mastodon/discussions/34600#discussion-8278099</a> <a href=\"https://meta.discourse.org/t/why-are-supposedly-activitypub-federated-discourse-threads-inaccessible-via-external-ap-clients/356997/9\">Discuss this on our forum.</a>", "inReplyTo": "https://meta.discourse.org/ap/object/fda0d57b504bbfdfd91ec1f80bce1742", "@context": "https://www.w3.org/ns/activitystreams" } ``` The only things that look potentially off to me are: - The `Content-Type` header has a `charset=utf-8` parameter on it - The addressee `https://meta.discourse.org/ap/actor/a1ba34f9dd25f8ad96ce6efcbfb931e5` is present in both `to` and `cc` ### Mastodon instance mastodon.social ### Mastodon version v4.4.0-nightly.2025-05-07-security ### Technical details _No response_

Tópico		Respostas	Visualizações
Forum federation thread on the.socialmusic.network General activitypub	22	694	5 de Julho de 2025
ActivityPub Plugin Plugin experimental , activitypub	470	52790	13 de Agosto de 2026
Replies from the Fediverse not visible in Discourse: "Perhaps this topic was closed or deleted while you were looking at it?" Support activitypub	2	105	1 de Abril de 2025
Federation support for Discourse Feature completed	120	40013	17 de Maio de 2024
How to debug connectivity issues with ActivityPub Administrators activitypub	22	718	27 de Janeiro de 2025

Por que os threads do Discourse supostamente federados pelo ActivityPub são inacessíveis por clientes AP externos?

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