Mastodon/Activity Pub question:
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@sarahjamielewis For what it's worth, @fedify fetches and parses your actor correctly (tested with https://github.com/fedify-dev/fedify/tree/main/examples/actor-lookup-cli), so it's gotta be something where Mastodon is more strict.
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What we have learned so far:
- taking the json my service produces and mirroring on another AP service results in mastodon rendering the HTML on the mirrored post - so it unlikely to be an issue with the Note object at least...
- just in case, I've tweaked a couple of things in webfinger, nodeinfo, and http header signing to better align the behaviour that mastodon is has, to no effect.
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I have officially ran out of ideas...probably time to take a break....
Request: If anyone who knows anything about mastodon internals has any idea why plain text messages would show fine, but basic html formatted messages would show empty (see above) - I would greatly appreciate any insight.
Edit: Thanks all, This has been Solved! (https://mastodon.social/@sarah@tap.resistant.tech/114644828209750037)
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@sarahjamielewis can you share a sample json you're sending?
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@sarahjamielewis Hey @evan any ideas?
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The note: https://tap.resistant.tech/sarah/posts/1749337528.json (doesn't include the wrapping Create activity, but sending plain text messages work, so I assume the Create activity is OK...I can pull one from the debug logs)
The empty render: https://mastodon.social/@sarah@tap.resistant.tech/114644584327450993
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@soatok @sarahjamielewis they've got a list of tags they allow. Could you be using something at the top level that they sanitize out?
ActivityPub - Mastodon documentation
A decentralized social networking protocol based upon the ActivityStreams 2.0 data format and JSON-LD.
(docs.joinmastodon.org)
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@soatok @sarahjamielewis also, very excited to see your service!
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@sarahjamielewis Nothing is obviously wrong with it. This is just a guess, but it might be the capitalization on the unicode escapes? Mastodon capitalizes them. Here's a mastodon note that I keep around for regression testing
https://github.com/Letterbook/Letterbook/blob/main/Tests/Letterbook.IntegrationTests/Data/mastodon_post.json -
@sarahjamielewis I put this together to help with interop testing. It's really useful to have access to mastodon's logs while you're trying to do this stuff
https://github.com/Letterbook/Sandcastles -
jenniferplusplus@hachyderm.io I think it might be the Unicode escapes too. I don't think they're necessary.
