akkoma/lib/pleroma/web/twitter_api/twitter_api.ex
2018-04-25 00:46:06 -04:00

280 lines
7.7 KiB
Elixir

defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
alias Pleroma.{User, Activity, Repo, Object}
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter
alias Pleroma.Web.TwitterAPI.UserView
alias Pleroma.Web.{OStatus, CommonAPI}
import Ecto.Query
@httpoison Application.get_env(:pleroma, :httpoison)
def create_status(%User{} = user, %{"status" => _} = data) do
CommonAPI.post(user, data)
end
def delete(%User{} = user, id) do
# TwitterAPI does not have an "unretweet" endpoint; instead this is done
# via the "destroy" endpoint. Therefore, we need to handle
# when the status to "delete" is actually an Announce (repeat) object.
with %Activity{data: %{"type" => type}} <- Repo.get(Activity, id) do
case type do
"Announce" -> unrepeat(user, id)
_ -> CommonAPI.delete(id, user)
end
end
end
def follow(%User{} = follower, params) do
with {:ok, %User{} = followed} <- get_user(params),
{:ok, follower} <- User.follow(follower, followed),
{:ok, activity} <- ActivityPub.follow(follower, followed) do
{:ok, follower, followed, activity}
else
err -> err
end
end
def unfollow(%User{} = follower, params) do
with {:ok, %User{} = unfollowed} <- get_user(params),
{:ok, follower, follow_activity} <- User.unfollow(follower, unfollowed),
{:ok, _activity} <-
ActivityPub.insert(%{
"type" => "Undo",
"actor" => follower.ap_id,
# get latest Follow for these users
"object" => follow_activity.data["id"],
"published" => make_date()
}) do
{:ok, follower, unfollowed}
else
err -> err
end
end
def block(%User{} = blocker, params) do
with {:ok, %User{} = blocked} <- get_user(params),
{:ok, blocker} <- User.block(blocker, blocked) do
{:ok, blocker, blocked}
else
err -> err
end
end
def unblock(%User{} = blocker, params) do
with {:ok, %User{} = blocked} <- get_user(params),
{:ok, blocker} <- User.unblock(blocker, blocked) do
{:ok, blocker, blocked}
else
err -> err
end
end
def repeat(%User{} = user, ap_id_or_id) do
with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
{:ok, activity}
end
end
defp unrepeat(%User{} = user, ap_id_or_id) do
with {:ok, _unannounce, activity, _object} <- CommonAPI.unrepeat(ap_id_or_id, user) do
{:ok, activity}
end
end
def fav(%User{} = user, ap_id_or_id) do
with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
{:ok, activity}
end
end
def unfav(%User{} = user, ap_id_or_id) do
with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
{:ok, activity}
end
end
def upload(%Plug.Upload{} = file, format \\ "xml") do
{:ok, object} = ActivityPub.upload(file)
url = List.first(object.data["url"])
href = url["href"]
type = url["mediaType"]
case format do
"xml" ->
# Fake this as good as possible...
"""
<?xml version="1.0" encoding="UTF-8"?>
<rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
<mediaid>#{object.id}</mediaid>
<media_id>#{object.id}</media_id>
<media_id_string>#{object.id}</media_id_string>
<media_url>#{href}</media_url>
<mediaurl>#{href}</mediaurl>
<atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
</rsp>
"""
"json" ->
%{
media_id: object.id,
media_id_string: "#{object.id}}",
media_url: href,
size: 0
}
|> Jason.encode!()
end
end
def register_user(params) do
params = %{
nickname: params["nickname"],
name: params["fullname"],
bio: params["bio"],
email: params["email"],
password: params["password"],
password_confirmation: params["confirm"]
}
changeset = User.register_changeset(%User{}, params)
with {:ok, user} <- Repo.insert(changeset) do
{:ok, user}
else
{:error, changeset} ->
errors =
Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
|> Jason.encode!()
{:error, %{error: errors}}
end
end
def get_by_id_or_nickname(id_or_nickname) do
if !is_integer(id_or_nickname) && :error == Integer.parse(id_or_nickname) do
Repo.get_by(User, nickname: id_or_nickname)
else
Repo.get(User, id_or_nickname)
end
end
def get_user(user \\ nil, params) do
case params do
%{"user_id" => user_id} ->
case target = get_by_id_or_nickname(user_id) do
nil ->
{:error, "No user with such user_id"}
_ ->
{:ok, target}
end
%{"screen_name" => nickname} ->
case target = Repo.get_by(User, nickname: nickname) do
nil ->
{:error, "No user with such screen_name"}
_ ->
{:ok, target}
end
_ ->
if user do
{:ok, user}
else
{:error, "You need to specify screen_name or user_id"}
end
end
end
defp parse_int(string, default)
defp parse_int(string, default) when is_binary(string) do
with {n, _} <- Integer.parse(string) do
n
else
_e -> default
end
end
defp parse_int(_, default), do: default
def search(user, %{"q" => query} = params) do
limit = parse_int(params["rpp"], 20)
page = parse_int(params["page"], 1)
offset = (page - 1) * limit
q =
from(
a in Activity,
where: fragment("?->>'type' = 'Create'", a.data),
where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
where:
fragment(
"to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)",
a.data,
^query
),
limit: ^limit,
offset: ^offset,
# this one isn't indexed so psql won't take the wrong index.
order_by: [desc: :inserted_at]
)
activities = Repo.all(q)
end
defp make_date do
DateTime.utc_now() |> DateTime.to_iso8601()
end
# DEPRECATED mostly, context objects are now created at insertion time.
def context_to_conversation_id(context) do
with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
id
else
_e ->
changeset = Object.context_mapping(context)
case Repo.insert(changeset) do
{:ok, %{id: id}} ->
id
# This should be solved by an upsert, but it seems ecto
# has problems accessing the constraint inside the jsonb.
{:error, _} ->
Object.get_cached_by_ap_id(context).id
end
end
end
def conversation_id_to_context(id) do
with %Object{data: %{"id" => context}} <- Repo.get(Object, id) do
context
else
_e ->
{:error, "No such conversation"}
end
end
def get_external_profile(for_user, uri) do
with %User{} = user <- User.get_or_fetch(uri) do
spawn(fn ->
with url <- user.info["topic"],
{:ok, %{body: body}} <-
@httpoison.get(url, [], follow_redirect: true, timeout: 10000, recv_timeout: 20000) do
OStatus.handle_incoming(body)
end
end)
{:ok, UserView.render("show.json", %{user: user, for: for_user})}
else
_e ->
{:error, "Couldn't find user"}
end
end
end