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76 lines
2.8 KiB
76 lines
2.8 KiB
honk spec
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-- references
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See security.txt for some notes on security.
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See ping.txt for a proposed Ping extension to ActivityPub.
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-- retries
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If a message can't be delivered, we backoff and retry.
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1 - five minutes later in case the servce restarted
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2 - one hour later in case the server rebooted
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3 - 12 more hours later in case the server was upgraded
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4 - 24 more hours later in case there was a catastrophe
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5 - it's dead.
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A random drift of up to 10% is added to each delay to avoid swarming.
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-- federating
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Messages are transformed for federation and display. Some transformations
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occur send side and some occur receive side because it's more exciting that
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way. @mentions and *markdown* are converted to HTML before transmission.
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Message :emoji: are converted to inline images after receiving.
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Up to four parents of a reply will be fetched.
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Attachments for received messages are rescaled before saving.
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-- schema
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Some notes on the database schema. Mostly for development, but maybe useful
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for administration as well.
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The config table contains settings, some of which may not be editable via the
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normal interface.
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For development purposes, adding a config value ('debug', 1) to the database
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will disable caching and hot reload the templates. It's not meant to be
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harmful in production, just less efficient.
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We don't use null, only empty strings. This is easier to work with on the go
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side.
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The main table is honks. This stores both locally created honks and incoming
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ActivityPub notes converted to honks. It is important to differentiate the two
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cases so that we don't accidentally publish external honks in the public web
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view. The whofore column value of 2 indiciates a public honk.
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The what column further refines the type of honk.
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Attachments are physically saved as files, and logically joined to honks via
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the donks table. Emus are saved as donks as well.
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The honkers table is used to manage follows and followers. The flavor column
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describes what. 'sub' is a follow. We have subscribed to their newsletter.
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'dub' is a follower. They get dubbed whenever we honk.
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The xonkers table stores info about external accounts that we may interact
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with. Their keys, their inboxes, etc. Not user visible.
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The zonkers table stores things we do not wish to see, per the wherefore
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column. zonkers are bad people, zurls are bad hosts, zonvoys are bad threads.
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The xid column generally corresponds to ActivityPub id.
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Note that some logical seeming joins won't work. The honker column of honks
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may not have a corresponding entry in the honkers table, since we frequently
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receive messages from people we don't follow. Should we track everybody whose
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identity crosses our path? This seems unnecessary. The honkers table is more
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like a mapping of active relationships, not a directory of all peoples.
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Some deduping of honks is performed. This may not be perfect.
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