activitypub
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Collections are usually* ordered by insertion order, but there's nothing in the ActivityPub C2S API to insert at a specific point, or change the sort order of individual items. In...
From 6.2 "Client to Server Interactions" > "Create Activity" > The Create activity is used when posting a new object. This has the side effect that the object embedded within...
As a thought after Mastodon's GHSA-jhrq-qvrm-qr36 it might be a good idea to extend the security consideration B.2 with a bit of wording about what kind of user submitted content...
In #368 I tangentially asked if the various endpoints should be `@type: @id` or perhaps something else like `@type: xsd:anyURI` or the default `@type: @value`. `@id` is specifically intended for...
SMTP allows for timeouts based on the size of the message, is there any timeout rules for Activity Pub or is it entirely left at the discretion of implementors? Also,...
## Problem statement in the existing specification Currently the ActivityPub specification and its examples are written with an implicit assumption that documents will be compacted against the context `http://www.w3.org/ns/activitystreams`, but...
Mastodon has the ability to follow hashtags. However, this is limited to posts that are already on the server either locally or federated based on followed users. It would be...
The current practice appears to be to use both "conversation" (inherrited from OStatus) and "context" (without the @) to group posts together into a thread. I think this should be...
Section 5.6 reads, in part: > Activities addressed to this special URI shall be accessible to all users, without authentication. ...actors MAY have a sharedInbox endpoint which is available for...
As I'm going through the spec with a fine comb for the purposes of identifying which piece of software has which responsibilities under which circumstances, so we can build a...