1057 lines
31 KiB
Elixir
1057 lines
31 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.ActivityPub do
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alias Pleroma.Activity
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alias Pleroma.Config
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alias Pleroma.Conversation
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alias Pleroma.Notification
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alias Pleroma.Object
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alias Pleroma.Object.Fetcher
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alias Pleroma.Pagination
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alias Pleroma.Repo
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alias Pleroma.Upload
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.MRF
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alias Pleroma.Web.ActivityPub.Transmogrifier
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alias Pleroma.Web.WebFinger
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import Ecto.Query
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import Pleroma.Web.ActivityPub.Utils
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import Pleroma.Web.ActivityPub.Visibility
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require Logger
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# For Announce activities, we filter the recipients based on following status for any actors
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# that match actual users. See issue #164 for more information about why this is necessary.
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defp get_recipients(%{"type" => "Announce"} = data) do
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to = Map.get(data, "to", [])
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cc = Map.get(data, "cc", [])
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bcc = Map.get(data, "bcc", [])
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actor = User.get_cached_by_ap_id(data["actor"])
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recipients =
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Enum.filter(Enum.concat([to, cc, bcc]), fn recipient ->
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case User.get_cached_by_ap_id(recipient) do
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nil -> true
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user -> User.following?(user, actor)
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end
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end)
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{recipients, to, cc}
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end
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defp get_recipients(%{"type" => "Create"} = data) do
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to = Map.get(data, "to", [])
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cc = Map.get(data, "cc", [])
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bcc = Map.get(data, "bcc", [])
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actor = Map.get(data, "actor", [])
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recipients = [to, cc, bcc, [actor]] |> Enum.concat() |> Enum.uniq()
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{recipients, to, cc}
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end
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defp get_recipients(data) do
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to = Map.get(data, "to", [])
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cc = Map.get(data, "cc", [])
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bcc = Map.get(data, "bcc", [])
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recipients = Enum.concat([to, cc, bcc])
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{recipients, to, cc}
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end
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defp check_actor_is_active(actor) do
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if not is_nil(actor) do
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with user <- User.get_cached_by_ap_id(actor),
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false <- user.info.deactivated do
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:ok
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else
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_e -> :reject
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end
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else
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:ok
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end
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end
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defp check_remote_limit(%{"object" => %{"content" => content}}) when not is_nil(content) do
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limit = Config.get([:instance, :remote_limit])
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String.length(content) <= limit
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end
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defp check_remote_limit(_), do: true
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def increase_note_count_if_public(actor, object) do
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if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
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end
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def decrease_note_count_if_public(actor, object) do
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if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
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end
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def increase_replies_count_if_reply(%{
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"object" => %{"inReplyTo" => reply_ap_id} = object,
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"type" => "Create"
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}) do
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if is_public?(object) do
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Object.increase_replies_count(reply_ap_id)
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end
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end
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def increase_replies_count_if_reply(_create_data), do: :noop
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def decrease_replies_count_if_reply(%Object{
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data: %{"inReplyTo" => reply_ap_id} = object
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}) do
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if is_public?(object) do
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Object.decrease_replies_count(reply_ap_id)
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end
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end
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def decrease_replies_count_if_reply(_object), do: :noop
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def increase_poll_votes_if_vote(%{
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"object" => %{"inReplyTo" => reply_ap_id, "name" => name},
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"type" => "Create"
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}) do
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Object.increase_vote_count(reply_ap_id, name)
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end
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def increase_poll_votes_if_vote(_create_data), do: :noop
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def insert(map, local \\ true, fake \\ false) when is_map(map) do
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with nil <- Activity.normalize(map),
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map <- lazy_put_activity_defaults(map, fake),
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:ok <- check_actor_is_active(map["actor"]),
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{_, true} <- {:remote_limit_error, check_remote_limit(map)},
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{:ok, map} <- MRF.filter(map),
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{recipients, _, _} = get_recipients(map),
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{:fake, false, map, recipients} <- {:fake, fake, map, recipients},
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{:ok, map, object} <- insert_full_object(map) do
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{:ok, activity} =
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Repo.insert(%Activity{
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data: map,
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local: local,
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actor: map["actor"],
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recipients: recipients
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})
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# Splice in the child object if we have one.
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activity =
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if !is_nil(object) do
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Map.put(activity, :object, object)
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else
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activity
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end
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PleromaJobQueue.enqueue(:background, Pleroma.Web.RichMedia.Helpers, [:fetch, activity])
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Notification.create_notifications(activity)
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participations =
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activity
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|> Conversation.create_or_bump_for()
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|> get_participations()
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stream_out(activity)
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stream_out_participations(participations)
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{:ok, activity}
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else
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%Activity{} = activity ->
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{:ok, activity}
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{:fake, true, map, recipients} ->
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activity = %Activity{
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data: map,
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local: local,
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actor: map["actor"],
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recipients: recipients,
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id: "pleroma:fakeid"
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}
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Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
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{:ok, activity}
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error ->
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{:error, error}
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end
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end
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defp get_participations({:ok, %{participations: participations}}), do: participations
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defp get_participations(_), do: []
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def stream_out_participations(participations) do
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participations =
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participations
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|> Repo.preload(:user)
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Enum.each(participations, fn participation ->
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Pleroma.Web.Streamer.stream("participation", participation)
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end)
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end
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def stream_out(activity) do
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public = "https://www.w3.org/ns/activitystreams#Public"
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if activity.data["type"] in ["Create", "Announce", "Delete"] do
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object = Object.normalize(activity)
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# Do not stream out poll replies
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unless object.data["type"] == "Answer" do
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Pleroma.Web.Streamer.stream("user", activity)
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Pleroma.Web.Streamer.stream("list", activity)
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if Enum.member?(activity.data["to"], public) do
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Pleroma.Web.Streamer.stream("public", activity)
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if activity.local do
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Pleroma.Web.Streamer.stream("public:local", activity)
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end
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if activity.data["type"] in ["Create"] do
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object.data
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|> Map.get("tag", [])
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|> Enum.filter(fn tag -> is_bitstring(tag) end)
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|> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end)
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if object.data["attachment"] != [] do
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Pleroma.Web.Streamer.stream("public:media", activity)
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if activity.local do
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Pleroma.Web.Streamer.stream("public:local:media", activity)
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end
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end
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end
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else
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# TODO: Write test, replace with visibility test
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if !Enum.member?(activity.data["cc"] || [], public) &&
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!Enum.member?(
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activity.data["to"],
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User.get_cached_by_ap_id(activity.data["actor"]).follower_address
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),
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do: Pleroma.Web.Streamer.stream("direct", activity)
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end
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end
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end
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end
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def create(%{to: to, actor: actor, context: context, object: object} = params, fake \\ false) do
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additional = params[:additional] || %{}
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# only accept false as false value
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local = !(params[:local] == false)
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published = params[:published]
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with create_data <-
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make_create_data(
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%{to: to, actor: actor, published: published, context: context, object: object},
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additional
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),
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{:ok, activity} <- insert(create_data, local, fake),
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{:fake, false, activity} <- {:fake, fake, activity},
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_ <- increase_replies_count_if_reply(create_data),
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_ <- increase_poll_votes_if_vote(create_data),
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# Changing note count prior to enqueuing federation task in order to avoid
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# race conditions on updating user.info
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{:ok, _actor} <- increase_note_count_if_public(actor, activity),
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:ok <- maybe_federate(activity) do
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{:ok, activity}
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else
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{:fake, true, activity} ->
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{:ok, activity}
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end
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end
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def accept(%{to: to, actor: actor, object: object} = params) do
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# only accept false as false value
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local = !(params[:local] == false)
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with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
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{:ok, activity} <- insert(data, local),
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:ok <- maybe_federate(activity) do
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{:ok, activity}
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end
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end
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def reject(%{to: to, actor: actor, object: object} = params) do
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# only accept false as false value
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local = !(params[:local] == false)
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with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
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{:ok, activity} <- insert(data, local),
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:ok <- maybe_federate(activity) do
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{:ok, activity}
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end
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end
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def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
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# only accept false as false value
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local = !(params[:local] == false)
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with data <- %{
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"to" => to,
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"cc" => cc,
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"type" => "Update",
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"actor" => actor,
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"object" => object
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},
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{:ok, activity} <- insert(data, local),
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:ok <- maybe_federate(activity) do
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{:ok, activity}
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end
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end
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# TODO: This is weird, maybe we shouldn't check here if we can make the activity.
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def like(
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%User{ap_id: ap_id} = user,
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%Object{data: %{"id" => _}} = object,
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activity_id \\ nil,
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local \\ true
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) do
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with nil <- get_existing_like(ap_id, object),
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like_data <- make_like_data(user, object, activity_id),
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{:ok, activity} <- insert(like_data, local),
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{:ok, object} <- add_like_to_object(activity, object),
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:ok <- maybe_federate(activity) do
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{:ok, activity, object}
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else
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%Activity{} = activity -> {:ok, activity, object}
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error -> {:error, error}
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end
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end
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def unlike(
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%User{} = actor,
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%Object{} = object,
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activity_id \\ nil,
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local \\ true
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) do
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with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
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unlike_data <- make_unlike_data(actor, like_activity, activity_id),
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{:ok, unlike_activity} <- insert(unlike_data, local),
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{:ok, _activity} <- Repo.delete(like_activity),
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{:ok, object} <- remove_like_from_object(like_activity, object),
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:ok <- maybe_federate(unlike_activity) do
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{:ok, unlike_activity, like_activity, object}
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else
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_e -> {:ok, object}
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end
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end
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def announce(
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%User{ap_id: _} = user,
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%Object{data: %{"id" => _}} = object,
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activity_id \\ nil,
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local \\ true,
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public \\ true
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) do
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with true <- is_public?(object),
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announce_data <- make_announce_data(user, object, activity_id, public),
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{:ok, activity} <- insert(announce_data, local),
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{:ok, object} <- add_announce_to_object(activity, object),
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:ok <- maybe_federate(activity) do
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{:ok, activity, object}
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else
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error -> {:error, error}
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end
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end
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def unannounce(
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%User{} = actor,
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%Object{} = object,
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activity_id \\ nil,
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local \\ true
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) do
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with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
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unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
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{:ok, unannounce_activity} <- insert(unannounce_data, local),
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:ok <- maybe_federate(unannounce_activity),
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{:ok, _activity} <- Repo.delete(announce_activity),
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{:ok, object} <- remove_announce_from_object(announce_activity, object) do
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{:ok, unannounce_activity, object}
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else
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_e -> {:ok, object}
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end
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end
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def follow(follower, followed, activity_id \\ nil, local \\ true) do
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with data <- make_follow_data(follower, followed, activity_id),
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{:ok, activity} <- insert(data, local),
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:ok <- maybe_federate(activity) do
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{:ok, activity}
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end
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end
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def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
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with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
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{:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
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unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
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{:ok, activity} <- insert(unfollow_data, local),
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:ok <- maybe_federate(activity) do
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{:ok, activity}
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end
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end
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def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
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user = User.get_cached_by_ap_id(actor)
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to = (object.data["to"] || []) ++ (object.data["cc"] || [])
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with {:ok, object, activity} <- Object.delete(object),
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data <- %{
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"type" => "Delete",
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"actor" => actor,
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"object" => id,
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"to" => to,
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"deleted_activity_id" => activity && activity.id
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},
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{:ok, activity} <- insert(data, local),
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_ <- decrease_replies_count_if_reply(object),
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# Changing note count prior to enqueuing federation task in order to avoid
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# race conditions on updating user.info
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{:ok, _actor} <- decrease_note_count_if_public(user, object),
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:ok <- maybe_federate(activity) do
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{:ok, activity}
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end
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end
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def block(blocker, blocked, activity_id \\ nil, local \\ true) do
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outgoing_blocks = Config.get([:activitypub, :outgoing_blocks])
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unfollow_blocked = Config.get([:activitypub, :unfollow_blocked])
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if unfollow_blocked do
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follow_activity = fetch_latest_follow(blocker, blocked)
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if follow_activity, do: unfollow(blocker, blocked, nil, local)
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end
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with true <- outgoing_blocks,
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block_data <- make_block_data(blocker, blocked, activity_id),
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{:ok, activity} <- insert(block_data, local),
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:ok <- maybe_federate(activity) do
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{:ok, activity}
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else
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_e -> {:ok, nil}
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end
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end
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def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
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with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
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unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
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{:ok, activity} <- insert(unblock_data, local),
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:ok <- maybe_federate(activity) do
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{:ok, activity}
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end
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end
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def flag(
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%{
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actor: actor,
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context: context,
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account: account,
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statuses: statuses,
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content: content
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} = params
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) do
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# only accept false as false value
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local = !(params[:local] == false)
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forward = !(params[:forward] == false)
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additional = params[:additional] || %{}
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params = %{
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actor: actor,
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context: context,
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account: account,
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statuses: statuses,
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content: content
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}
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additional =
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if forward do
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Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
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else
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Map.merge(additional, %{"to" => [], "cc" => []})
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end
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with flag_data <- make_flag_data(params, additional),
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{:ok, activity} <- insert(flag_data, local),
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:ok <- maybe_federate(activity) do
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Enum.each(User.all_superusers(), fn superuser ->
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superuser
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|> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
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|> Pleroma.Emails.Mailer.deliver_async()
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end)
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{:ok, activity}
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end
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end
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|
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defp fetch_activities_for_context_query(context, opts) do
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public = ["https://www.w3.org/ns/activitystreams#Public"]
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|
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recipients =
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if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public
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from(activity in Activity)
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|> maybe_preload_objects(opts)
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|> restrict_blocked(opts)
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|> restrict_recipients(recipients, opts["user"])
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|> where(
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[activity],
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fragment(
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"?->>'type' = ? and ?->>'context' = ?",
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activity.data,
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"Create",
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activity.data,
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^context
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)
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)
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|> exclude_poll_votes(opts)
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|> order_by([activity], desc: activity.id)
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end
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@spec fetch_activities_for_context(String.t(), keyword() | map()) :: [Activity.t()]
|
|
def fetch_activities_for_context(context, opts \\ %{}) do
|
|
context
|
|
|> fetch_activities_for_context_query(opts)
|
|
|> Repo.all()
|
|
end
|
|
|
|
@spec fetch_latest_activity_id_for_context(String.t(), keyword() | map()) ::
|
|
Pleroma.FlakeId.t() | nil
|
|
def fetch_latest_activity_id_for_context(context, opts \\ %{}) do
|
|
context
|
|
|> fetch_activities_for_context_query(Map.merge(%{"skip_preload" => true}, opts))
|
|
|> limit(1)
|
|
|> select([a], a.id)
|
|
|> Repo.one()
|
|
end
|
|
|
|
def fetch_public_activities(opts \\ %{}) do
|
|
q = fetch_activities_query(["https://www.w3.org/ns/activitystreams#Public"], opts)
|
|
|
|
q
|
|
|> restrict_unlisted()
|
|
|> Pagination.fetch_paginated(opts)
|
|
|> Enum.reverse()
|
|
end
|
|
|
|
@valid_visibilities ~w[direct unlisted public private]
|
|
|
|
defp restrict_visibility(query, %{visibility: visibility})
|
|
when is_list(visibility) do
|
|
if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
|
|
query =
|
|
from(
|
|
a in query,
|
|
where:
|
|
fragment(
|
|
"activity_visibility(?, ?, ?) = ANY (?)",
|
|
a.actor,
|
|
a.recipients,
|
|
a.data,
|
|
^visibility
|
|
)
|
|
)
|
|
|
|
query
|
|
else
|
|
Logger.error("Could not restrict visibility to #{visibility}")
|
|
end
|
|
end
|
|
|
|
defp restrict_visibility(query, %{visibility: visibility})
|
|
when visibility in @valid_visibilities do
|
|
from(
|
|
a in query,
|
|
where:
|
|
fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
|
|
)
|
|
end
|
|
|
|
defp restrict_visibility(_query, %{visibility: visibility})
|
|
when visibility not in @valid_visibilities do
|
|
Logger.error("Could not restrict visibility to #{visibility}")
|
|
end
|
|
|
|
defp restrict_visibility(query, _visibility), do: query
|
|
|
|
defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _),
|
|
do: query
|
|
|
|
defp restrict_thread_visibility(
|
|
query,
|
|
%{"user" => %User{info: %{skip_thread_containment: true}}},
|
|
_
|
|
),
|
|
do: query
|
|
|
|
defp restrict_thread_visibility(query, %{"user" => %User{ap_id: ap_id}}, _) do
|
|
from(
|
|
a in query,
|
|
where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data)
|
|
)
|
|
end
|
|
|
|
defp restrict_thread_visibility(query, _, _), do: query
|
|
|
|
def fetch_user_activities(user, reading_user, params \\ %{}) do
|
|
params =
|
|
params
|
|
|> Map.put("type", ["Create", "Announce"])
|
|
|> Map.put("actor_id", user.ap_id)
|
|
|> Map.put("whole_db", true)
|
|
|> Map.put("pinned_activity_ids", user.info.pinned_activities)
|
|
|
|
recipients =
|
|
if reading_user do
|
|
["https://www.w3.org/ns/activitystreams#Public"] ++
|
|
[reading_user.ap_id | reading_user.following]
|
|
else
|
|
["https://www.w3.org/ns/activitystreams#Public"]
|
|
end
|
|
|
|
fetch_activities(recipients, params)
|
|
|> Enum.reverse()
|
|
end
|
|
|
|
defp restrict_since(query, %{"since_id" => ""}), do: query
|
|
|
|
defp restrict_since(query, %{"since_id" => since_id}) do
|
|
from(activity in query, where: activity.id > ^since_id)
|
|
end
|
|
|
|
defp restrict_since(query, _), do: query
|
|
|
|
defp restrict_tag_reject(_query, %{"tag_reject" => _tag_reject, "skip_preload" => true}) do
|
|
raise "Can't use the child object without preloading!"
|
|
end
|
|
|
|
defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
|
|
when is_list(tag_reject) and tag_reject != [] do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
|
|
)
|
|
end
|
|
|
|
defp restrict_tag_reject(query, _), do: query
|
|
|
|
defp restrict_tag_all(_query, %{"tag_all" => _tag_all, "skip_preload" => true}) do
|
|
raise "Can't use the child object without preloading!"
|
|
end
|
|
|
|
defp restrict_tag_all(query, %{"tag_all" => tag_all})
|
|
when is_list(tag_all) and tag_all != [] do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
|
|
)
|
|
end
|
|
|
|
defp restrict_tag_all(query, _), do: query
|
|
|
|
defp restrict_tag(_query, %{"tag" => _tag, "skip_preload" => true}) do
|
|
raise "Can't use the child object without preloading!"
|
|
end
|
|
|
|
defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
|
|
)
|
|
end
|
|
|
|
defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
|
|
)
|
|
end
|
|
|
|
defp restrict_tag(query, _), do: query
|
|
|
|
defp restrict_recipients(query, [], _user), do: query
|
|
|
|
defp restrict_recipients(query, recipients, nil) do
|
|
from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
|
|
end
|
|
|
|
defp restrict_recipients(query, recipients, user) do
|
|
from(
|
|
activity in query,
|
|
where: fragment("? && ?", ^recipients, activity.recipients),
|
|
or_where: activity.actor == ^user.ap_id
|
|
)
|
|
end
|
|
|
|
defp restrict_local(query, %{"local_only" => true}) do
|
|
from(activity in query, where: activity.local == true)
|
|
end
|
|
|
|
defp restrict_local(query, _), do: query
|
|
|
|
defp restrict_actor(query, %{"actor_id" => actor_id}) do
|
|
from(activity in query, where: activity.actor == ^actor_id)
|
|
end
|
|
|
|
defp restrict_actor(query, _), do: query
|
|
|
|
defp restrict_type(query, %{"type" => type}) when is_binary(type) do
|
|
from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
|
|
end
|
|
|
|
defp restrict_type(query, %{"type" => type}) do
|
|
from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
|
|
end
|
|
|
|
defp restrict_type(query, _), do: query
|
|
|
|
defp restrict_state(query, %{"state" => state}) do
|
|
from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
|
|
end
|
|
|
|
defp restrict_state(query, _), do: query
|
|
|
|
defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
|
|
from(
|
|
activity in query,
|
|
where: fragment(~s(? <@ (? #> '{"object","likes"}'\)), ^ap_id, activity.data)
|
|
)
|
|
end
|
|
|
|
defp restrict_favorited_by(query, _), do: query
|
|
|
|
defp restrict_media(_query, %{"only_media" => _val, "skip_preload" => true}) do
|
|
raise "Can't use the child object without preloading!"
|
|
end
|
|
|
|
defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
|
|
)
|
|
end
|
|
|
|
defp restrict_media(query, _), do: query
|
|
|
|
defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
|
|
from(
|
|
activity in query,
|
|
where: fragment("?->'object'->>'inReplyTo' is null", activity.data)
|
|
)
|
|
end
|
|
|
|
defp restrict_replies(query, _), do: query
|
|
|
|
defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do
|
|
from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
|
|
end
|
|
|
|
defp restrict_reblogs(query, _), do: query
|
|
|
|
defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query
|
|
|
|
defp restrict_muted(query, %{"muting_user" => %User{info: info}}) do
|
|
mutes = info.mutes
|
|
|
|
from(
|
|
activity in query,
|
|
where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
|
|
where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes)
|
|
)
|
|
end
|
|
|
|
defp restrict_muted(query, _), do: query
|
|
|
|
defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
|
|
blocks = info.blocks || []
|
|
domain_blocks = info.domain_blocks || []
|
|
|
|
query =
|
|
if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
|
|
|
|
from(
|
|
[activity, object: o] in query,
|
|
where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
|
|
where: fragment("not (? && ?)", activity.recipients, ^blocks),
|
|
where:
|
|
fragment(
|
|
"not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
|
|
activity.data,
|
|
activity.data,
|
|
^blocks
|
|
),
|
|
where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks),
|
|
where: fragment("not (split_part(?->>'actor', '/', 3) = ANY(?))", o.data, ^domain_blocks)
|
|
)
|
|
end
|
|
|
|
defp restrict_blocked(query, _), do: query
|
|
|
|
defp restrict_unlisted(query) do
|
|
from(
|
|
activity in query,
|
|
where:
|
|
fragment(
|
|
"not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
|
|
activity.data,
|
|
^["https://www.w3.org/ns/activitystreams#Public"]
|
|
)
|
|
)
|
|
end
|
|
|
|
defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do
|
|
from(activity in query, where: activity.id in ^ids)
|
|
end
|
|
|
|
defp restrict_pinned(query, _), do: query
|
|
|
|
defp restrict_muted_reblogs(query, %{"muting_user" => %User{info: info}}) do
|
|
muted_reblogs = info.muted_reblogs || []
|
|
|
|
from(
|
|
activity in query,
|
|
where:
|
|
fragment(
|
|
"not ( ?->>'type' = 'Announce' and ? = ANY(?))",
|
|
activity.data,
|
|
activity.actor,
|
|
^muted_reblogs
|
|
)
|
|
)
|
|
end
|
|
|
|
defp restrict_muted_reblogs(query, _), do: query
|
|
|
|
defp exclude_poll_votes(query, %{"include_poll_votes" => "true"}), do: query
|
|
|
|
defp exclude_poll_votes(query, _) do
|
|
if has_named_binding?(query, :object) do
|
|
from([activity, object: o] in query,
|
|
where: fragment("not(?->>'type' = ?)", o.data, "Answer")
|
|
)
|
|
else
|
|
query
|
|
end
|
|
end
|
|
|
|
defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query
|
|
|
|
defp maybe_preload_objects(query, _) do
|
|
query
|
|
|> Activity.with_preloaded_object()
|
|
end
|
|
|
|
defp maybe_preload_bookmarks(query, %{"skip_preload" => true}), do: query
|
|
|
|
defp maybe_preload_bookmarks(query, opts) do
|
|
query
|
|
|> Activity.with_preloaded_bookmark(opts["user"])
|
|
end
|
|
|
|
defp maybe_set_thread_muted_field(query, %{"skip_preload" => true}), do: query
|
|
|
|
defp maybe_set_thread_muted_field(query, opts) do
|
|
query
|
|
|> Activity.with_set_thread_muted_field(opts["user"])
|
|
end
|
|
|
|
defp maybe_order(query, %{order: :desc}) do
|
|
query
|
|
|> order_by(desc: :id)
|
|
end
|
|
|
|
defp maybe_order(query, %{order: :asc}) do
|
|
query
|
|
|> order_by(asc: :id)
|
|
end
|
|
|
|
defp maybe_order(query, _), do: query
|
|
|
|
def fetch_activities_query(recipients, opts \\ %{}) do
|
|
config = %{
|
|
skip_thread_containment: Config.get([:instance, :skip_thread_containment])
|
|
}
|
|
|
|
Activity
|
|
|> maybe_preload_objects(opts)
|
|
|> maybe_preload_bookmarks(opts)
|
|
|> maybe_set_thread_muted_field(opts)
|
|
|> maybe_order(opts)
|
|
|> restrict_recipients(recipients, opts["user"])
|
|
|> restrict_tag(opts)
|
|
|> restrict_tag_reject(opts)
|
|
|> restrict_tag_all(opts)
|
|
|> restrict_since(opts)
|
|
|> restrict_local(opts)
|
|
|> restrict_actor(opts)
|
|
|> restrict_type(opts)
|
|
|> restrict_state(opts)
|
|
|> restrict_favorited_by(opts)
|
|
|> restrict_blocked(opts)
|
|
|> restrict_muted(opts)
|
|
|> restrict_media(opts)
|
|
|> restrict_visibility(opts)
|
|
|> restrict_thread_visibility(opts, config)
|
|
|> restrict_replies(opts)
|
|
|> restrict_reblogs(opts)
|
|
|> restrict_pinned(opts)
|
|
|> restrict_muted_reblogs(opts)
|
|
|> Activity.restrict_deactivated_users()
|
|
|> exclude_poll_votes(opts)
|
|
end
|
|
|
|
def fetch_activities(recipients, opts \\ %{}) do
|
|
list_memberships = Pleroma.List.memberships(opts["user"])
|
|
|
|
fetch_activities_query(recipients ++ list_memberships, opts)
|
|
|> Pagination.fetch_paginated(opts)
|
|
|> Enum.reverse()
|
|
|> maybe_update_cc(list_memberships, opts["user"])
|
|
end
|
|
|
|
defp maybe_update_cc(activities, list_memberships, %User{ap_id: user_ap_id})
|
|
when is_list(list_memberships) and length(list_memberships) > 0 do
|
|
Enum.map(activities, fn
|
|
%{data: %{"bcc" => bcc}} = activity when is_list(bcc) and length(bcc) > 0 ->
|
|
if Enum.any?(bcc, &(&1 in list_memberships)) do
|
|
update_in(activity.data["cc"], &[user_ap_id | &1])
|
|
else
|
|
activity
|
|
end
|
|
|
|
activity ->
|
|
activity
|
|
end)
|
|
end
|
|
|
|
defp maybe_update_cc(activities, _, _), do: activities
|
|
|
|
def fetch_activities_bounded_query(query, recipients, recipients_with_public) do
|
|
from(activity in query,
|
|
where:
|
|
fragment("? && ?", activity.recipients, ^recipients) or
|
|
(fragment("? && ?", activity.recipients, ^recipients_with_public) and
|
|
"https://www.w3.org/ns/activitystreams#Public" in activity.recipients)
|
|
)
|
|
end
|
|
|
|
def fetch_activities_bounded(recipients, recipients_with_public, opts \\ %{}) do
|
|
fetch_activities_query([], opts)
|
|
|> fetch_activities_bounded_query(recipients, recipients_with_public)
|
|
|> Pagination.fetch_paginated(opts)
|
|
|> Enum.reverse()
|
|
end
|
|
|
|
def upload(file, opts \\ []) do
|
|
with {:ok, data} <- Upload.store(file, opts) do
|
|
obj_data =
|
|
if opts[:actor] do
|
|
Map.put(data, "actor", opts[:actor])
|
|
else
|
|
data
|
|
end
|
|
|
|
Repo.insert(%Object{data: obj_data})
|
|
end
|
|
end
|
|
|
|
defp object_to_user_data(data) do
|
|
avatar =
|
|
data["icon"]["url"] &&
|
|
%{
|
|
"type" => "Image",
|
|
"url" => [%{"href" => data["icon"]["url"]}]
|
|
}
|
|
|
|
banner =
|
|
data["image"]["url"] &&
|
|
%{
|
|
"type" => "Image",
|
|
"url" => [%{"href" => data["image"]["url"]}]
|
|
}
|
|
|
|
locked = data["manuallyApprovesFollowers"] || false
|
|
data = Transmogrifier.maybe_fix_user_object(data)
|
|
|
|
user_data = %{
|
|
ap_id: data["id"],
|
|
info: %{
|
|
"ap_enabled" => true,
|
|
"source_data" => data,
|
|
"banner" => banner,
|
|
"locked" => locked
|
|
},
|
|
avatar: avatar,
|
|
name: data["name"],
|
|
follower_address: data["followers"],
|
|
bio: data["summary"]
|
|
}
|
|
|
|
# nickname can be nil because of virtual actors
|
|
user_data =
|
|
if data["preferredUsername"] do
|
|
Map.put(
|
|
user_data,
|
|
:nickname,
|
|
"#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
|
|
)
|
|
else
|
|
Map.put(user_data, :nickname, nil)
|
|
end
|
|
|
|
{:ok, user_data}
|
|
end
|
|
|
|
def user_data_from_user_object(data) do
|
|
with {:ok, data} <- MRF.filter(data),
|
|
{:ok, data} <- object_to_user_data(data) do
|
|
{:ok, data}
|
|
else
|
|
e -> {:error, e}
|
|
end
|
|
end
|
|
|
|
def fetch_and_prepare_user_from_ap_id(ap_id) do
|
|
with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
|
|
{:ok, data} <- user_data_from_user_object(data) do
|
|
{:ok, data}
|
|
else
|
|
e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
|
|
end
|
|
end
|
|
|
|
def make_user_from_ap_id(ap_id) do
|
|
if _user = User.get_cached_by_ap_id(ap_id) do
|
|
Transmogrifier.upgrade_user_from_ap_id(ap_id)
|
|
else
|
|
with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
|
|
User.insert_or_update_user(data)
|
|
else
|
|
e -> {:error, e}
|
|
end
|
|
end
|
|
end
|
|
|
|
def make_user_from_nickname(nickname) do
|
|
with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
|
|
make_user_from_ap_id(ap_id)
|
|
else
|
|
_e -> {:error, "No AP id in WebFinger"}
|
|
end
|
|
end
|
|
|
|
# filter out broken threads
|
|
def contain_broken_threads(%Activity{} = activity, %User{} = user) do
|
|
entire_thread_visible_for_user?(activity, user)
|
|
end
|
|
|
|
# do post-processing on a specific activity
|
|
def contain_activity(%Activity{} = activity, %User{} = user) do
|
|
contain_broken_threads(activity, user)
|
|
end
|
|
|
|
def fetch_direct_messages_query do
|
|
Activity
|
|
|> restrict_type(%{"type" => "Create"})
|
|
|> restrict_visibility(%{visibility: "direct"})
|
|
|> order_by([activity], asc: activity.id)
|
|
end
|
|
end
|