forked from AkkomaGang/akkoma
76 lines
1.9 KiB
Elixir
76 lines
1.9 KiB
Elixir
defmodule Pleroma.Web.ActivityPub.ActivityPub do
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alias Pleroma.Repo
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alias Pleroma.{Activity, Object, Upload}
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import Ecto.Query
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def insert(map) when is_map(map) do
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map = Map.put_new_lazy(map, "id", &generate_activity_id/0)
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map = if map["object"] do
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object = Map.put_new_lazy(map["object"], "id", &generate_object_id/0)
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Map.put(map, "object", object)
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else
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map
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end
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Repo.insert(%Activity{data: map})
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end
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def generate_activity_id do
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generate_id("activities")
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end
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def generate_context_id do
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generate_id("contexts")
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end
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def generate_object_id do
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generate_id("objects")
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end
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def generate_id(type) do
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host =
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Application.get_env(:pleroma, Pleroma.Web.Endpoint)
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|> Keyword.fetch!(:url)
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|> Keyword.fetch!(:host)
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protocol = Application.get_env(:pleroma, Pleroma.Web.Endpoint) |> Keyword.fetch!(:protocol)
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"#{protocol}://#{host}/#{type}/#{Ecto.UUID.generate}"
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end
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def fetch_public_activities(opts \\ %{}) do
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public = ["https://www.w3.org/ns/activitystreams#Public"]
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fetch_activities(public, opts)
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end
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def fetch_activities(recipients, opts \\ %{}) do
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since_id = opts["since_id"] || 0
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query = from activity in Activity,
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limit: 20,
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order_by: [desc: :inserted_at]
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query = Enum.reduce(recipients, query, fn (recipient, q) ->
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map = %{ to: [recipient] }
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from activity in q,
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or_where: fragment(~s(? @> ?), activity.data, ^map)
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end)
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query = from activity in query,
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where: activity.id > ^since_id
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Repo.all(query)
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|> Enum.reverse
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end
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def fetch_activities_for_context(context) do
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query = from activity in Activity,
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where: fragment("? @> ?", activity.data, ^%{ context: context })
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Repo.all(query)
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end
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def upload(%Plug.Upload{} = file) do
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data = Upload.store(file)
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Repo.insert(%Object{data: data})
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end
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end
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