Does the #Bluesky bridge thing use some kind of odd `content-type` when requesting profile data?
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Does the #Bluesky bridge thing use some kind of odd
content-typewhen requesting profile data? I'm seeing these errors in my logs when my server tries to retrieve posts (as part of my reply retrieval functions):[2025-12-09T00:59:33Z ERROR enigmatick::retriever] Failed to fetch object from remote. URL: https://bsky.brid.gy/convert/ap/at://did:plc:oofa3qqoiszsmajbigfqskqv/app.bsky.feed.post/3m7egmddbwk2h, Status: 502 Bad Gateway, Body: <!doctype html> <html lang=en> <title>502 Bad Gateway</title> <h1>Bad Gateway</h1> <p>Couldn't fetch https://enigmatick.social/user/jdt as ActivityStreams 2: Couldn't decode as JSON</p>If I'm reading that right, my
retrieveris failing because the bridge is trying to retrieve my profile and can't convert it to JSON. But I verified that my profile is provided as JSON for requests with theseAcceptheader types:application/jsonapplication/activity+jsonapplication/ld+jsonapplication/ld+json; profile="https://www.w3.org/ns/activitystreams
...so I can't figure out what it's complaining about. I'll need to watch my varnish logs to see if I can capture one of the requests live from that perspective.
#ActivityPub
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Does the #Bluesky bridge thing use some kind of odd
content-typewhen requesting profile data? I'm seeing these errors in my logs when my server tries to retrieve posts (as part of my reply retrieval functions):[2025-12-09T00:59:33Z ERROR enigmatick::retriever] Failed to fetch object from remote. URL: https://bsky.brid.gy/convert/ap/at://did:plc:oofa3qqoiszsmajbigfqskqv/app.bsky.feed.post/3m7egmddbwk2h, Status: 502 Bad Gateway, Body: <!doctype html> <html lang=en> <title>502 Bad Gateway</title> <h1>Bad Gateway</h1> <p>Couldn't fetch https://enigmatick.social/user/jdt as ActivityStreams 2: Couldn't decode as JSON</p>If I'm reading that right, my
retrieveris failing because the bridge is trying to retrieve my profile and can't convert it to JSON. But I verified that my profile is provided as JSON for requests with theseAcceptheader types:application/jsonapplication/activity+jsonapplication/ld+jsonapplication/ld+json; profile="https://www.w3.org/ns/activitystreams
...so I can't figure out what it's complaining about. I'll need to watch my varnish logs to see if I can capture one of the requests live from that perspective.
#ActivityPub
@jdt this seems like it could use a @snarfed.org tag :)
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@jdt this seems like it could use a @snarfed.org tag :)
liaizon@social.wake.st I pinged him, he says he can't respond yet because of the aforementioned connection negotiation issue! 🙂
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Does the #Bluesky bridge thing use some kind of odd
content-typewhen requesting profile data? I'm seeing these errors in my logs when my server tries to retrieve posts (as part of my reply retrieval functions):[2025-12-09T00:59:33Z ERROR enigmatick::retriever] Failed to fetch object from remote. URL: https://bsky.brid.gy/convert/ap/at://did:plc:oofa3qqoiszsmajbigfqskqv/app.bsky.feed.post/3m7egmddbwk2h, Status: 502 Bad Gateway, Body: <!doctype html> <html lang=en> <title>502 Bad Gateway</title> <h1>Bad Gateway</h1> <p>Couldn't fetch https://enigmatick.social/user/jdt as ActivityStreams 2: Couldn't decode as JSON</p>If I'm reading that right, my
retrieveris failing because the bridge is trying to retrieve my profile and can't convert it to JSON. But I verified that my profile is provided as JSON for requests with theseAcceptheader types:application/jsonapplication/activity+jsonapplication/ld+jsonapplication/ld+json; profile="https://www.w3.org/ns/activitystreams
...so I can't figure out what it's complaining about. I'll need to watch my varnish logs to see if I can capture one of the requests live from that perspective.
#ActivityPub
Hey jdt@enigmatick.social, sorry for the trouble! We send
Accept: application/activity+json, application/ld+json; profile="https://www.w3.org/ns/activitystreams", text/html; charset=utf-8; q=0.5with our AP fetches, which seems to make enigmatick.social 303 redirect to the HTML profile page, eg/@jdthere.(Sorry for the complicated Accept header! We get URLs from various places, so if a URL isn't an AP id, we want to fall back to handling it as HTML and find its AP object via a rel-alternate link.)
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@julian@activitypub.space My guess is that his JSON processor is choking on a non-standard tag I have in my profile (e.g.,
keysorephemeral.webfinger). I should clean up the latter since it's intended for client operations only.But it is valid JSON either way. The
ephemeralobject might cause a JSON-LD parser to choke since I don't declare it in the@context. -
@julian@activitypub.space My guess is that his JSON processor is choking on a non-standard tag I have in my profile (e.g.,
keysorephemeral.webfinger). I should clean up the latter since it's intended for client operations only.But it is valid JSON either way. The
ephemeralobject might cause a JSON-LD parser to choke since I don't declare it in the@context.jdt@enigmatick.social I'm sure julian will be able to solve this compatibility issue between NodeBB and Fedibridge together with snarfed@mas.to and when he does, it will be a great day for the Fediverse! :blush:
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@julian@activitypub.space I think I see the issue on @snarfed's post on your site (thanks @snarfed). I don't currently handle
application/activity+jsonrequests for the URL (i.e., https://enigmatick.social/@jdt). I only handle those on the ID (i.e., https://enigmatick.social/user/jdt).I don't see any harm in adding that to the URL, so I'll add a
301to redirectapplication/activity+jsonrequests for/@jdtto/user/jdt.It's odd, though - my logs seem to indicate that the bridge server is requesting
/user/jdtalready. -
@julian@activitypub.space I see the issue clearly now and can reproduce it (thanks @snarfed). It's just the complexity of the
Acceptheader - I'll dig into why mynginxconfiguration isn't handling that well. -
@julian@activitypub.space I see the issue clearly now and can reproduce it (thanks @snarfed). It's just the complexity of the
Acceptheader - I'll dig into why mynginxconfiguration isn't handling that well.@jdt@enigmatick.social It's actually in my application code:
if let Some(accept) = headers.get(header::ACCEPT) { if let Ok(accept_str) = accept.to_str() { if accept_str.contains("text/html") { log::debug!("Redirecting to presentation page"); return Ok(AbstractResponse::Redirect(Redirect::to(&format!( "/@{username}" )))); } if accept_str.contains("application/activity+json") { log::debug!("Returning application/activity+json"); return Ok(AbstractResponse::ActivityJson(ActivityJson(actor))); } if accept_str.contains("application/ld+json") { log::debug!("Returning application/ld+json"); return Ok(AbstractResponse::LdJson(LdJson(actor))); } } }Just a priority issue with the existence of
text/html. I'll rearrange. -
@jdt@enigmatick.social It's actually in my application code:
if let Some(accept) = headers.get(header::ACCEPT) { if let Ok(accept_str) = accept.to_str() { if accept_str.contains("text/html") { log::debug!("Redirecting to presentation page"); return Ok(AbstractResponse::Redirect(Redirect::to(&format!( "/@{username}" )))); } if accept_str.contains("application/activity+json") { log::debug!("Returning application/activity+json"); return Ok(AbstractResponse::ActivityJson(ActivityJson(actor))); } if accept_str.contains("application/ld+json") { log::debug!("Returning application/ld+json"); return Ok(AbstractResponse::LdJson(LdJson(actor))); } } }Just a priority issue with the existence of
text/html. I'll rearrange.@jdt@enigmatick.social Fixed. My code handles the
Acceptheader per RFC specifications now (i.e., by explicit weight first and by order second). -
@julian@activitypub.space BTW, I love that your interface uses rich formatting for markdown code blocks - so many platforms just phone that bit in.
Enigmatick uses highlight.js too, so I tend to use that a lot.
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@julian@activitypub.space BTW, I love that your interface uses rich formatting for markdown code blocks - so many platforms just phone that bit in.
Enigmatick uses highlight.js too, so I tend to use that a lot.
jdt@enigmatick.social thanks! Yeah it was important to me to get that right. That little highlight library has been chugging along all this time lol.
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