99 lines
2.4 KiB
Elixir
99 lines
2.4 KiB
Elixir
defmodule Clacks.ActivityPub do
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@context ["https://www.w3.org/ns/activitystreams"]
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@public "https://www.w3.org/ns/activitystreams#Public"
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@spec note(
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actor :: String.t(),
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html :: String.t(),
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context :: String.t(),
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id :: String.t() | nil,
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published :: DateTime.t(),
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to :: [String.t()],
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cc :: [String.t()]
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) :: map()
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def note(
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actor,
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html,
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context,
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id \\ nil,
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published \\ DateTime.utc_now(),
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to \\ [@public],
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cc \\ []
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) do
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id = id || object_id(Ecto.UUID.generate())
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%{
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"@context" => @context,
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"id" => id,
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"url" => id,
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"type" => "Note",
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"actor" => actor,
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"attributedTo" => actor,
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"to" => to,
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"cc" => cc,
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"content" => html,
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"conversation" => context,
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"context" => context,
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"published" => published |> DateTime.to_iso8601()
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}
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end
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@spec create(
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object :: map(),
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id :: String.t() | nil,
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actor :: String.t() | nil,
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to :: [String.t()] | nil,
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cc :: [String.t()] | nil
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) :: map()
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def create(object, id \\ nil, actor \\ nil, to \\ nil, cc \\ nil) do
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%{
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"@context" => @context,
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"id" => id || activity_id(Ecto.UUID.generate()),
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"actor" => actor || object["actor"],
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"type" => "Create",
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"object" => object,
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"to" => to || object["to"],
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"cc" => cc || object["cc"]
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}
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end
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@spec synthesized_create(object :: map()) :: map()
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def synthesized_create(object) do
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%{
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"@context" => @context,
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"type" => "Create",
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"object" => object,
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# Mastodon doesn't include 'actor' in notes
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"actor" => object["actor"] || object["attributedTo"],
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"to" => object["to"],
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"cc" => object["cc"]
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}
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end
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@spec object_id(id :: String.t()) :: String.t()
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def object_id(id) do
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url = Application.get_env(:clacks, ClacksWeb.Endpoint)[:url]
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%URI{
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scheme: url[:scheme],
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host: url[:host],
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port: url[:port],
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path: Path.join("/objects", id)
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}
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|> URI.to_string()
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end
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@spec activity_id(id :: String.t()) :: String.t()
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def activity_id(id) do
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url = Application.get_env(:clacks, ClacksWeb.Endpoint)[:url]
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%URI{
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scheme: url[:scheme],
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host: url[:host],
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port: url[:port],
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path: Path.join("/activities", id)
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}
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|> URI.to_string()
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end
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end
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