defmodule Pleroma.Web.TwitterAPI.TwitterAPI do alias Pleroma.{User, Activity, Repo, Object} alias Pleroma.Web.ActivityPub.ActivityPub alias Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter import Ecto.Query def create_status(user = %User{}, data = %{}) do attachments = Enum.map(data["media_ids"] || [], fn (media_id) -> Repo.get(Object, media_id).data end) context = ActivityPub.generate_context_id content = HtmlSanitizeEx.strip_tags(data["status"]) mentions = parse_mentions(content) default_to = [ User.ap_followers(user), "https://www.w3.org/ns/activitystreams#Public" ] to = default_to ++ Enum.map(mentions, fn ({_, %{ap_id: ap_id}}) -> ap_id end) content_html = add_user_links(content, mentions) date = make_date() activity = %{ "type" => "Create", "to" => to, "actor" => user.ap_id, "object" => %{ "type" => "Note", "to" => to, "content" => content_html, "published" => date, "context" => context, "attachment" => attachments }, "published" => date, "context" => context } # Wire up reply info. activity = with inReplyToId when not is_nil(inReplyToId) <- data["in_reply_to_status_id"], inReplyTo <- Repo.get(Activity, inReplyToId), context <- inReplyTo.data["context"] do to = activity["to"] ++ [inReplyTo.data["actor"]] activity |> put_in(["to"], to) |> put_in(["context"], context) |> put_in(["object", "context"], context) |> put_in(["object", "inReplyTo"], inReplyTo.data["object"]["id"]) |> put_in(["object", "inReplyToStatusId"], inReplyToId) |> put_in(["statusnetConversationId"], inReplyTo.data["statusnetConversationId"]) |> put_in(["object", "statusnetConversationId"], inReplyTo.data["statusnetConversationId"]) else _e -> activity end with {:ok, activity} <- ActivityPub.insert(activity) do add_conversation_id(activity) end end def fetch_friend_statuses(user, opts \\ %{}) do ActivityPub.fetch_activities([user.ap_id | user.following], opts) |> activities_to_statuses(%{for: user}) end def fetch_public_statuses(user, opts \\ %{}) do ActivityPub.fetch_public_activities(opts) |> activities_to_statuses(%{for: user}) end def fetch_conversation(user, id) do query = from activity in Activity, where: fragment("? @> ?", activity.data, ^%{ statusnetConversationId: id}), limit: 1 with %Activity{} = activity <- Repo.one(query), context <- activity.data["context"], activities <- ActivityPub.fetch_activities_for_context(context), statuses <- activities |> activities_to_statuses(%{for: user}) do statuses else e -> IO.inspect(e) [] end end def fetch_status(user, id) do with %Activity{} = activity <- Repo.get(Activity, id) do activity_to_status(activity, %{for: user}) end end def follow(%User{} = follower, params) do with %User{} = followed <- get_user(params), { :ok, follower } <- User.follow(follower, followed), { :ok, activity } <- ActivityPub.insert(%{ "type" => "Follow", "actor" => follower.ap_id, "object" => followed.ap_id, "published" => make_date() }) do { :ok, follower, followed, activity } end end def unfollow(%User{} = follower, followed_id) do with %User{} = followed <- Repo.get(User, followed_id), { :ok, follower } <- User.unfollow(follower, followed) do { :ok, follower, followed } end end def upload(%Plug.Upload{} = file) do {:ok, object} = ActivityPub.upload(file) url = List.first(object.data["url"]) href = url["href"] type = url["mediaType"] # Fake this as good as possible... """ #{object.id} #{object.id} #{object.id} #{href} #{href} """ end def parse_mentions(text) do # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address regex = ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/ Regex.scan(regex, text) |> List.flatten |> Enum.uniq |> Enum.map(fn ("@" <> match = full_match) -> {full_match, Repo.get_by(User, nickname: match)} end) |> Enum.filter(fn ({_match, user}) -> user end) end def add_user_links(text, mentions) do Enum.reduce(mentions, text, fn ({match, %User{ap_id: ap_id}}, text) -> String.replace(text, match, "#{match}") end) end defp add_conversation_id(activity) do if is_integer(activity.data["statusnetConversationId"]) do {:ok, activity} else data = activity.data |> put_in(["object", "statusnetConversationId"], activity.id) |> put_in(["statusnetConversationId"], activity.id) changeset = Ecto.Changeset.change(activity, data: data) Repo.update(changeset) end end defp activities_to_statuses(activities, opts) do Enum.map(activities, fn(activity) -> activity_to_status(activity, opts) end) end defp activity_to_status(activity, opts) do actor = get_in(activity.data, ["actor"]) user = Repo.get_by!(User, ap_id: actor) mentioned_users = Repo.all(from user in User, where: user.ap_id in ^activity.data["to"]) ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, mentioned: mentioned_users})) end defp make_date do DateTime.utc_now() |> DateTime.to_iso8601 end defp get_user(params) do case params do %{ "user_id" => user_id } -> Repo.get(User, user_id) %{ "screen_name" => nickname } -> Repo.get_by(User, nickname: nickname) end end end