Determine a user inbox to use based on heuristics. These heuristics are based on an approximation of the sharedInbox rules in the ActivityPub specification.

Please do not edit this function (or its children) without reading the spec, as editing the code is likely to introduce some breakage without some familiarity.

Gathers nodeinfo protocol names supported by the federation module.

Callback implementation for Pleroma.Web.Federator.Publisher.gather_nodeinfo_protocol_names/0.

Gathers links used by an outgoing federation module for WebFinger output.

Callback implementation for Pleroma.Web.Federator.Publisher.gather_webfinger_links/1.

Determine if an activity can be represented by running it through Transmogrifier.

Publishes an activity to all relevant peers.

Publish a single message to a peer. Takes a struct with the following parameters set:

• inbox: the inbox to publish to
• json: the JSON message body representing the ActivityPub message
• actor: the actor which is signing the message
• id: the ActivityStreams URI of the message