# Pleroma: A lightweight social networking server # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.CommonAPI do alias Pleroma.{User, Repo, Activity, Object} alias Pleroma.Web.ActivityPub.ActivityPub alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Formatter import Pleroma.Web.CommonAPI.Utils def delete(activity_id, user) do with %Activity{data: %{"object" => %{"id" => object_id}}} <- Repo.get(Activity, activity_id), %Object{} = object <- Object.normalize(object_id), true <- user.info.is_moderator || user.ap_id == object.data["actor"], {:ok, _} <- unpin(activity_id, user), {:ok, delete} <- ActivityPub.delete(object) do {:ok, delete} end end def repeat(id_or_ap_id, user) do with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id), object <- Object.normalize(activity.data["object"]["id"]), nil <- Utils.get_existing_announce(user.ap_id, object) do ActivityPub.announce(user, object) else _ -> {:error, "Could not repeat"} end end def unrepeat(id_or_ap_id, user) do with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id), object <- Object.normalize(activity.data["object"]["id"]) do ActivityPub.unannounce(user, object) else _ -> {:error, "Could not unrepeat"} end end def favorite(id_or_ap_id, user) do with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id), object <- Object.normalize(activity.data["object"]["id"]), nil <- Utils.get_existing_like(user.ap_id, object) do ActivityPub.like(user, object) else _ -> {:error, "Could not favorite"} end end def unfavorite(id_or_ap_id, user) do with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id), object <- Object.normalize(activity.data["object"]["id"]) do ActivityPub.unlike(user, object) else _ -> {:error, "Could not unfavorite"} end end def get_visibility(%{"visibility" => visibility}) when visibility in ~w{public unlisted private direct}, do: visibility def get_visibility(%{"in_reply_to_status_id" => status_id}) when not is_nil(status_id) do case get_replied_to_activity(status_id) do nil -> "public" inReplyTo -> Pleroma.Web.MastodonAPI.StatusView.get_visibility(inReplyTo.data["object"]) end end def get_visibility(_), do: "public" defp get_content_type(content_type) do if Enum.member?(Pleroma.Config.get([:instance, :allowed_post_formats]), content_type) do content_type else "text/plain" end end def post(user, %{"status" => status} = data) do visibility = get_visibility(data) limit = Pleroma.Config.get([:instance, :limit]) with status <- String.trim(status), attachments <- attachments_from_ids(data["media_ids"]), mentions <- Formatter.parse_mentions(status), inReplyTo <- get_replied_to_activity(data["in_reply_to_status_id"]), {to, cc} <- to_for_user_and_mentions(user, mentions, inReplyTo, visibility), tags <- Formatter.parse_tags(status, data), content_html <- make_content_html( status, mentions, attachments, tags, get_content_type(data["content_type"]), Enum.member?([true, "true"], data["no_attachment_links"]) ), context <- make_context(inReplyTo), cw <- data["spoiler_text"], full_payload <- String.trim(status <> (data["spoiler_text"] || "")), length when length in 1..limit <- String.length(full_payload), object <- make_note_data( user.ap_id, to, context, content_html, attachments, inReplyTo, tags, cw, cc ), object <- Map.put( object, "emoji", (Formatter.get_emoji(status) ++ Formatter.get_emoji(data["spoiler_text"])) |> Enum.reduce(%{}, fn {name, file}, acc -> Map.put(acc, name, "#{Pleroma.Web.Endpoint.static_url()}#{file}") end) ) do res = ActivityPub.create(%{ to: to, actor: user, context: context, object: object, additional: %{"cc" => cc} }) res end end # Updates the emojis for a user based on their profile def update(user) do user = with emoji <- emoji_from_profile(user), source_data <- (user.info.source_data || %{}) |> Map.put("tag", emoji), info_cng <- Pleroma.User.Info.set_source_data(user.info, source_data), change <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng), {:ok, user} <- User.update_and_set_cache(change) do user else _e -> user end ActivityPub.update(%{ local: true, to: [user.follower_address], cc: [], actor: user.ap_id, object: Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user}) }) end def pin(id_or_ap_id, %{ap_id: user_ap_id} = user) do with %Activity{ actor: ^user_ap_id, data: %{ "type" => "Create", "object" => %{ "to" => object_to, "type" => "Note" } } } = activity <- get_by_id_or_ap_id(id_or_ap_id), true <- Enum.member?(object_to, "https://www.w3.org/ns/activitystreams#Public"), %{valid?: true} = info_changeset <- Pleroma.User.Info.add_pinnned_activity(user.info, activity), changeset <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset), {:ok, _user} <- User.update_and_set_cache(changeset) do {:ok, activity} else %{errors: [pinned_activities: {err, _}]} -> {:error, err} _ -> {:error, "Could not pin"} end end def unpin(id_or_ap_id, user) do with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id), %{valid?: true} = info_changeset <- Pleroma.User.Info.remove_pinnned_activity(user.info, activity), changeset <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset), {:ok, _user} <- User.update_and_set_cache(changeset) do {:ok, activity} else %{errors: [pinned_activities: {err, _}]} -> {:error, err} _ -> {:error, "Could not unpin"} end end end