@kopper@not-brain.d.on-t.work isnt that how AP usually works ? ( im stupid but interested )
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@fiore no not really. usually only the server-to-server bit is used and (microblogging) client apps use mastodon's bespoke api
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another minor update, fixing a few typos and linking a few more things. also toned down the snark cuz i've been enough of a dick already
codeberg.org/KittyShopper/w.on-t.work/commit/d998852290e9652f4511108ea2b8729d5e148205 -
@kopper not a complaint but i do find it interesting that like this we would have "instances" be similar to bsky PDS [probably with a lot of differences re: federation but] and the "clients" like their appview[-s] + whatever was the name for the feed curator/moderation thing
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@kopper haven't read the full thing but so far I very much like this
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@lina yeah it's effectively the same architecture, i did have an explicit mention of that but removed it as it was attached to some unnecessary snark
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i should open issues on github.com/swicg/activitypub-api/issues for all my proposals and end up committing 10 faux pas in a row because they still havent decided on if they want a monolithic One Server that replaces the mastodon api or something actually worthwhile to implement
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@kopper Your opinions are pretty much the same as mine. That's always how I approached my own instance server projects before the requirements inevitably grew way over my head haha
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also unrelated but i may as well throw this in here since i keep thinking about it but. doing c2s this way also opens your client up to being multi-protocol. say you want to be like wafrn and federate both via ap and atproto, you can then plug in PDSs the same way you plugged in AP C2S servers. your own client can then merge both into one
this does lose a handful of the benefits some features mentioned would bring. you would need to store all the data yourself as you'll need your own common API format, you'd need to maintain your own login tokens, your backend would need to act as a proxy for writing to the PDS/C2S server which enables you to cut that off completely if you "go evil". i did touch upon these downsides on w.on-t.work/this-tall-to-interoperate
or alternatively, you could have a "personal bridgy" which can be both a c2s client and an atproto client/appview and bridge the objects of an individual actor, irrelevant of which client is used to create them in either direction, but bridging like this isn't really interop because e.g. replies from the other network would not be visible without client support -
i guess you could make a frontend that talks both APIs natively and picks which one to use depending on how you log in, which would avoid the going evil bit, but that increases complexity on the user's device a fair bit (likely manageable though) and still requires you to proxy the content of the other network as trying to fetch it from the client will either rate-limit/be slow or cause auth failures (e.g. an atproto login trying to fetch AP objects)
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now that i think about it, you would need actors and logins for both sides anyway if you're doing bridging, this is prolly not an issue
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bad ideas:
xrpc/com.w3.activitystreams.proxyUrl?id=https://..{ "endpoints": { "xrpcProxyUrl": "https://..." } } -
a XRPC endpoint returning AS2-compatible data would be funny
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@jb i should look this up do lexicons have any places they can have unrestricted json in or would it have to be a string or something
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lexicons do have unrestricted json, lexicon validation are there but its not required
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@jb no i think validation is important
there is an unknown type butThe (nested) contents of the data object must still be valid under the atproto data model. For example, it should not contain floats. Nested compound types like blobs and CID links should be validated and transformed as expected.
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@kopper nah it's good shit. i've been meaning to compile all my thoughts on the subject but you basically did it for me with this piece
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> separate data hosting from data interpretation
https://activitypub.mushroomlabs.com/topics/reference_context_architecture/> with many objects and slow connections the overhead of creating new http requests would add up significantly
GraphQL and/or SPARQL
> iterating through my inbox every time i open my “home timeline”
The same your email client works: sync the inbox, create index view in the clients. That's at least what I am doing for my C2S client. My problem now is that I wish that C2S had a way to say "clear my inbox"
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@raphael
GraphQL and/or SPARQL
these can be valid options but they add complexity to the C2S server, which is both the part that individual users would want to self-host AND also the part already burdened by having to deal with the traffic bursts caused by things like boosts and replies by large accounts. i think if a query endpoint were to be created it should be maintained by a client (at least architecturally, if an implementation wants to merge them both it's their choice!)The same your email client works: sync the inbox, create index view in the clients.
this still does not address the problem. an actor's inbox contains way more than just the Posts on their Timelines (and will do even more if AP were to be the Everything Protocol it dreams on being). you'd need to load pages upon pages of as:Like, as:EmojiReact (and as:Undo for both), as:Listen (e.g. following someone using pleroma scrobbles), various as:Add as:Remove as:Update as:Delete "management" activities for unknown objects, and so on which will swiftly get thrown away but still end up consuming latency (especially after a few days of being away) and often-costly mobile bandwidth
email clients work because your inbox Only contains Emails. the data you get is pretty much all relevant, you don't end up discarding huge chunks of it
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