337 lines
10 KiB
Elixir
337 lines
10 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.CommonAPI do
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alias Pleroma.Activity
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alias Pleroma.Bookmark
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alias Pleroma.Formatter
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alias Pleroma.Object
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alias Pleroma.ThreadMute
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Utils
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import Pleroma.Web.CommonAPI.Utils
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def follow(follower, followed) do
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with {:ok, follower} <- User.maybe_direct_follow(follower, followed),
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{:ok, activity} <- ActivityPub.follow(follower, followed),
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{:ok, follower, followed} <-
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User.wait_and_refresh(
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Pleroma.Config.get([:activitypub, :follow_handshake_timeout]),
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follower,
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followed
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) do
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{:ok, follower, followed, activity}
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end
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end
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def unfollow(follower, unfollowed) do
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with {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
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{:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
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{:ok, follower}
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end
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end
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def accept_follow_request(follower, followed) do
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with {:ok, follower} <- User.maybe_follow(follower, followed),
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%Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
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{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
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{:ok, _activity} <-
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ActivityPub.accept(%{
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to: [follower.ap_id],
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actor: followed,
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object: follow_activity.data["id"],
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type: "Accept"
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}) do
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{:ok, follower}
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end
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end
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def reject_follow_request(follower, followed) do
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with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
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{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
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{:ok, _activity} <-
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ActivityPub.reject(%{
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to: [follower.ap_id],
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actor: followed,
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object: follow_activity.data["id"],
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type: "Reject"
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}) do
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{:ok, follower}
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end
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end
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def delete(activity_id, user) do
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with %Activity{data: %{"object" => _}} = activity <-
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Activity.get_by_id_with_object(activity_id),
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%Object{} = object <- Object.normalize(activity),
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true <- User.superuser?(user) || user.ap_id == object.data["actor"],
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{:ok, _} <- unpin(activity_id, user),
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{:ok, delete} <- ActivityPub.delete(object) do
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{:ok, delete}
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end
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end
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def repeat(id_or_ap_id, user) do
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with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
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object <- Object.normalize(activity),
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nil <- Utils.get_existing_announce(user.ap_id, object) do
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ActivityPub.announce(user, object)
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else
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_ ->
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{:error, "Could not repeat"}
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end
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end
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def unrepeat(id_or_ap_id, user) do
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with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
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object <- Object.normalize(activity) do
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ActivityPub.unannounce(user, object)
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else
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_ ->
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{:error, "Could not unrepeat"}
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end
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end
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def favorite(id_or_ap_id, user) do
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with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
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object <- Object.normalize(activity),
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nil <- Utils.get_existing_like(user.ap_id, object) do
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ActivityPub.like(user, object)
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else
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_ ->
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{:error, "Could not favorite"}
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end
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end
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def unfavorite(id_or_ap_id, user) do
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with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
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object <- Object.normalize(activity) do
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ActivityPub.unlike(user, object)
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else
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_ ->
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{:error, "Could not unfavorite"}
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end
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end
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def get_visibility(%{"visibility" => visibility})
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when visibility in ~w{public unlisted private direct},
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do: visibility
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def get_visibility(%{"in_reply_to_status_id" => status_id}) when not is_nil(status_id) do
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case get_replied_to_activity(status_id) do
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nil ->
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"public"
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in_reply_to ->
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# XXX: these heuristics should be moved out of MastodonAPI.
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with %Object{} = object <- Object.normalize(in_reply_to) do
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Pleroma.Web.MastodonAPI.StatusView.get_visibility(object)
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end
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end
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end
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def get_visibility(_), do: "public"
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def post(user, %{"status" => status} = data) do
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visibility = get_visibility(data)
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limit = Pleroma.Config.get([:instance, :limit])
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with status <- String.trim(status),
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attachments <- attachments_from_ids(data),
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in_reply_to <- get_replied_to_activity(data["in_reply_to_status_id"]),
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{content_html, mentions, tags} <-
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make_content_html(
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status,
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attachments,
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data,
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visibility
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),
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{to, cc} <- to_for_user_and_mentions(user, mentions, in_reply_to, visibility),
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context <- make_context(in_reply_to),
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cw <- data["spoiler_text"],
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full_payload <- String.trim(status <> (data["spoiler_text"] || "")),
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length when length in 1..limit <- String.length(full_payload),
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object <-
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make_note_data(
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user.ap_id,
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to,
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context,
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content_html,
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attachments,
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in_reply_to,
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tags,
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cw,
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cc
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),
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object <-
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Map.put(
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object,
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"emoji",
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(Formatter.get_emoji(status) ++ Formatter.get_emoji(data["spoiler_text"]))
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|> Enum.reduce(%{}, fn {name, file, _}, acc ->
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Map.put(acc, name, "#{Pleroma.Web.Endpoint.static_url()}#{file}")
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end)
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) do
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res =
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ActivityPub.create(
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%{
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to: to,
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actor: user,
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context: context,
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object: object,
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additional: %{"cc" => cc, "directMessage" => visibility == "direct"}
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},
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Pleroma.Web.ControllerHelper.truthy_param?(data["preview"]) || false
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)
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res
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end
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end
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# Updates the emojis for a user based on their profile
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def update(user) do
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user =
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with emoji <- emoji_from_profile(user),
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source_data <- (user.info.source_data || %{}) |> Map.put("tag", emoji),
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info_cng <- Pleroma.User.Info.set_source_data(user.info, source_data),
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change <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng),
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{:ok, user} <- User.update_and_set_cache(change) do
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user
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else
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_e ->
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user
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end
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ActivityPub.update(%{
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local: true,
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to: [user.follower_address],
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cc: [],
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actor: user.ap_id,
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object: Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user})
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})
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end
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def pin(id_or_ap_id, %{ap_id: user_ap_id} = user) do
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with %Activity{
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actor: ^user_ap_id,
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data: %{
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"type" => "Create"
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},
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object: %Object{
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data: %{
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"to" => object_to,
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"type" => "Note"
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}
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}
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} = activity <- get_by_id_or_ap_id(id_or_ap_id),
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true <- Enum.member?(object_to, "https://www.w3.org/ns/activitystreams#Public"),
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%{valid?: true} = info_changeset <-
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Pleroma.User.Info.add_pinnned_activity(user.info, activity),
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changeset <-
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Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset),
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{:ok, _user} <- User.update_and_set_cache(changeset) do
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{:ok, activity}
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else
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%{errors: [pinned_activities: {err, _}]} ->
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{:error, err}
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_ ->
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{:error, "Could not pin"}
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end
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end
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def unpin(id_or_ap_id, user) do
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with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
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%{valid?: true} = info_changeset <-
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Pleroma.User.Info.remove_pinnned_activity(user.info, activity),
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changeset <-
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Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset),
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{:ok, _user} <- User.update_and_set_cache(changeset) do
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{:ok, activity}
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else
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%{errors: [pinned_activities: {err, _}]} ->
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{:error, err}
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_ ->
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{:error, "Could not unpin"}
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end
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end
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def add_mute(user, activity) do
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with {:ok, _} <- ThreadMute.add_mute(user.id, activity.data["context"]) do
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{:ok, activity}
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else
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{:error, _} -> {:error, "conversation is already muted"}
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end
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end
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def remove_mute(user, activity) do
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ThreadMute.remove_mute(user.id, activity.data["context"])
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{:ok, activity}
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end
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def thread_muted?(%{id: nil} = _user, _activity), do: false
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def thread_muted?(user, activity) do
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with [] <- ThreadMute.check_muted(user.id, activity.data["context"]) do
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false
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else
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_ -> true
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end
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end
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def bookmarked?(user, activity) do
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with %Bookmark{} <- Bookmark.get(user.id, activity.id) do
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true
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else
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_ ->
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false
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end
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end
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def report(user, data) do
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with {:account_id, %{"account_id" => account_id}} <- {:account_id, data},
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{:account, %User{} = account} <- {:account, User.get_cached_by_id(account_id)},
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{:ok, {content_html, _, _}} <- make_report_content_html(data["comment"]),
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{:ok, statuses} <- get_report_statuses(account, data),
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{:ok, activity} <-
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ActivityPub.flag(%{
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context: Utils.generate_context_id(),
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actor: user,
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account: account,
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statuses: statuses,
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content: content_html,
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forward: data["forward"] || false
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}) do
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{:ok, activity}
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else
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{:error, err} -> {:error, err}
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{:account_id, %{}} -> {:error, "Valid `account_id` required"}
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{:account, nil} -> {:error, "Account not found"}
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end
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end
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def hide_reblogs(user, muted) do
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ap_id = muted.ap_id
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if ap_id not in user.info.muted_reblogs do
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info_changeset = User.Info.add_reblog_mute(user.info, ap_id)
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changeset = Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset)
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User.update_and_set_cache(changeset)
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end
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end
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def show_reblogs(user, muted) do
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ap_id = muted.ap_id
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if ap_id in user.info.muted_reblogs do
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info_changeset = User.Info.remove_reblog_mute(user.info, ap_id)
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changeset = Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset)
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User.update_and_set_cache(changeset)
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end
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end
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end
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