git.squeep.com Git - akkoma/blob - lib/pleroma/web/common_api/common_api.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.CommonAPI do
   6   alias Pleroma.{User, Repo, Activity, Object}
   7   alias Pleroma.Web.ActivityPub.ActivityPub
   8   alias Pleroma.Web.ActivityPub.Utils
   9   alias Pleroma.Formatter
  10
  11   import Pleroma.Web.CommonAPI.Utils
  12
  13   def delete(activity_id, user) do
  14     with %Activity{data: %{"object" => %{"id" => object_id}}} <- Repo.get(Activity, activity_id),
  15          %Object{} = object <- Object.normalize(object_id),
  16          true <- user.info.is_moderator || user.ap_id == object.data["actor"],
  17          {:ok, delete} <- ActivityPub.delete(object) do
  18       {:ok, delete}
  19     end
  20   end
  21
  22   def repeat(id_or_ap_id, user) do
  23     with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
  24          object <- Object.normalize(activity.data["object"]["id"]),
  25          nil <- Utils.get_existing_announce(user.ap_id, object) do
  26       ActivityPub.announce(user, object)
  27     else
  28       _ ->
  29         {:error, "Could not repeat"}
  30     end
  31   end
  32
  33   def unrepeat(id_or_ap_id, user) do
  34     with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
  35          object <- Object.normalize(activity.data["object"]["id"]) do
  36       ActivityPub.unannounce(user, object)
  37     else
  38       _ ->
  39         {:error, "Could not unrepeat"}
  40     end
  41   end
  42
  43   def favorite(id_or_ap_id, user) do
  44     with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
  45          object <- Object.normalize(activity.data["object"]["id"]),
  46          nil <- Utils.get_existing_like(user.ap_id, object) do
  47       ActivityPub.like(user, object)
  48     else
  49       _ ->
  50         {:error, "Could not favorite"}
  51     end
  52   end
  53
  54   def unfavorite(id_or_ap_id, user) do
  55     with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
  56          object <- Object.normalize(activity.data["object"]["id"]) do
  57       ActivityPub.unlike(user, object)
  58     else
  59       _ ->
  60         {:error, "Could not unfavorite"}
  61     end
  62   end
  63
  64   def get_visibility(%{"visibility" => visibility})
  65       when visibility in ~w{public unlisted private direct},
  66       do: visibility
  67
  68   def get_visibility(%{"in_reply_to_status_id" => status_id}) when not is_nil(status_id) do
  69     case get_replied_to_activity(status_id) do
  70       nil ->
  71         "public"
  72
  73       inReplyTo ->
  74         Pleroma.Web.MastodonAPI.StatusView.get_visibility(inReplyTo.data["object"])
  75     end
  76   end
  77
  78   def get_visibility(_), do: "public"
  79
  80   defp get_content_type(content_type) do
  81     if Enum.member?(Pleroma.Config.get([:instance, :allowed_post_formats]), content_type) do
  82       content_type
  83     else
  84       "text/plain"
  85     end
  86   end
  87
  88   def post(user, %{"status" => status} = data) do
  89     visibility = get_visibility(data)
  90     limit = Pleroma.Config.get([:instance, :limit])
  91
  92     with status <- String.trim(status),
  93          attachments <- attachments_from_ids(data["media_ids"]),
  94          mentions <- Formatter.parse_mentions(status),
  95          inReplyTo <- get_replied_to_activity(data["in_reply_to_status_id"]),
  96          {to, cc} <- to_for_user_and_mentions(user, mentions, inReplyTo, visibility),
  97          tags <- Formatter.parse_tags(status, data),
  98          content_html <-
  99            make_content_html(
 100              status,
 101              mentions,
 102              attachments,
 103              tags,
 104              get_content_type(data["content_type"]),
 105              Enum.member?([true, "true"], data["no_attachment_links"])
 106            ),
 107          context <- make_context(inReplyTo),
 108          cw <- data["spoiler_text"],
 109          full_payload <- String.trim(status <> (data["spoiler_text"] || "")),
 110          length when length in 1..limit <- String.length(full_payload),
 111          object <-
 112            make_note_data(
 113              user.ap_id,
 114              to,
 115              context,
 116              content_html,
 117              attachments,
 118              inReplyTo,
 119              tags,
 120              cw,
 121              cc
 122            ),
 123          object <-
 124            Map.put(
 125              object,
 126              "emoji",
 127              Formatter.get_emoji(status)
 128              |> Enum.reduce(%{}, fn {name, file}, acc ->
 129                Map.put(acc, name, "#{Pleroma.Web.Endpoint.static_url()}#{file}")
 130              end)
 131            ) do
 132       res =
 133         ActivityPub.create(%{
 134           to: to,
 135           actor: user,
 136           context: context,
 137           object: object,
 138           additional: %{"cc" => cc}
 139         })
 140
 141       res
 142     end
 143   end
 144
 145   # Updates the emojis for a user based on their profile
 146   def update(user) do
 147     user =
 148       with emoji <- emoji_from_profile(user),
 149            source_data <- (user.info.source_data || %{}) |> Map.put("tag", emoji),
 150            info_cng <- Pleroma.User.Info.set_source_data(user.info, source_data),
 151            change <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng),
 152            {:ok, user} <- User.update_and_set_cache(change) do
 153         user
 154       else
 155         _e ->
 156           user
 157       end
 158
 159     ActivityPub.update(%{
 160       local: true,
 161       to: [user.follower_address],
 162       cc: [],
 163       actor: user.ap_id,
 164       object: Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user})
 165     })
 166   end
 167 end