NAME

activitypub — notes about the azorius implementation

DESCRIPTION

The azorius(1) server processes activities using the ActivityPub protocol to exchange messages with other servers. The specification is subject to interpretation, and not all implementations behave in the same way. This document attempts to clarify azorius's behavior. It is not intended to be a complete description of ActivityPub, but may be useful as a guide to other implementors looking to interoperate.

OBJECTS

The following object or document types are supported.

Page: Used for posts. This is the object that azorius expects to receive for posts and links.
Note: Used for comments. Will not in general work as replacement for Page.
ChatMessage: Used for chat.

Azorius primarily supports HTML content, not markdown or other formats, with a wide range of permitted HTML tags in object content fields.

ACTIVITIES

The following activities are supported.

Create: Supported.
Announce: Groups will forward activities to followers using Announce.
Follow: Can follow both groups and persons.
Update: Supported.
Delete: Does what it can.
Like: Not yet implemented.

METADATA

The following additional object types are supported, typically as tag or attachment.

Link: The URL link for a Page.
Image: For attached images.
Document: As a variant of Image.
Hashtag: Limited.

SECURITY

Azorius uses http signatures.

WEBFINGER

Azorius implements the webfinger end point but it is not required for federation.

STANDARDS

ActivityPub

Activity Vocabulary

CAVEATS

The ActivityPub standard is subject to interpretation.