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# 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"],
Map.get(
data,
"no_attachment_links",
Pleroma.Config.get([:instance, :no_attachment_links], false)
)
)
),
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, "directMessage" => visibility == "direct"}
})
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
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