defmodule Pleroma.Web.CommonAPI.Utils do alias Pleroma.{Repo, Object, Formatter, User, Activity} alias Pleroma.Web.ActivityPub.Utils alias Calendar.Strftime # This is a hack for twidere. def get_by_id_or_ap_id(id) do activity = Repo.get(Activity, id) || Activity.get_create_activity_by_object_ap_id(id) if activity.data["type"] == "Create" do activity else Activity.get_create_activity_by_object_ap_id(activity.data["object"]) end end def get_replied_to_activity(id) when not is_nil(id) do Repo.get(Activity, id) end def get_replied_to_activity(_), do: nil def attachments_from_ids(ids) do Enum.map(ids || [], fn (media_id) -> Repo.get(Object, media_id).data end) end def to_for_user_and_mentions(user, mentions, inReplyTo) do default_to = [ user.follower_address, "https://www.w3.org/ns/activitystreams#Public" ] to = default_to ++ Enum.map(mentions, fn ({_, %{ap_id: ap_id}}) -> ap_id end) if inReplyTo do Enum.uniq([inReplyTo.data["actor"] | to]) else to end end def make_content_html(status, mentions, attachments, tags, no_attachment_links \\ false) do status |> format_input(mentions, tags) |> maybe_add_attachments(attachments, no_attachment_links) end def make_context(%Activity{data: %{"context" => context}}), do: context def make_context(_), do: Utils.generate_context_id def maybe_add_attachments(text, attachments, _no_links = true), do: text def maybe_add_attachments(text, attachments, _no_links) do add_attachments(text, attachments) end def add_attachments(text, attachments) do attachment_text = Enum.map(attachments, fn (%{"url" => [%{"href" => href} | _]}) -> name = URI.decode(Path.basename(href)) "#{shortname(name)}" _ -> "" end) Enum.join([text | attachment_text], "
") end def format_input(text, mentions, _tags) do Phoenix.HTML.html_escape(text) |> elem(1) |> Formatter.linkify |> String.replace("\n", "
") |> add_user_links(mentions) # |> add_tag_links(tags) end def add_tag_links(text, tags) do tags = tags |> Enum.sort_by(fn ({tag, _}) -> -String.length(tag) end) Enum.reduce(tags, text, fn({full, tag}, text) -> url = "#" String.replace(text, full, url) end) end def add_user_links(text, mentions) do mentions = mentions |> Enum.sort_by(fn ({name, _}) -> -String.length(name) end) |> Enum.map(fn({name, user}) -> {name, user, Ecto.UUID.generate} end) # This replaces the mention with a unique reference first so it doesn't # contain parts of other replaced mentions. There probably is a better # solution for this... step_one = mentions |> Enum.reduce(text, fn ({match, _user, uuid}, text) -> String.replace(text, match, uuid) end) Enum.reduce(mentions, step_one, fn ({match, %User{ap_id: ap_id}, uuid}, text) -> short_match = String.split(match, "@") |> tl() |> hd() String.replace(text, uuid, "@#{short_match}") end) end def make_note_data(actor, to, context, content_html, attachments, inReplyTo, tags, cw \\ nil) do object = %{ "type" => "Note", "to" => to, "content" => content_html, "summary" => cw, "context" => context, "attachment" => attachments, "actor" => actor, "tag" => tags |> Enum.map(fn ({_, tag}) -> tag end) } if inReplyTo do object |> Map.put("inReplyTo", inReplyTo.data["object"]["id"]) |> Map.put("inReplyToStatusId", inReplyTo.id) else object end end def format_naive_asctime(date) do date |> DateTime.from_naive!("Etc/UTC") |> format_asctime end def format_asctime(date) do Strftime.strftime!(date, "%a %b %d %H:%M:%S %z %Y") end def date_to_asctime(date) do with {:ok, date, _offset} <- date |> DateTime.from_iso8601 do format_asctime(date) else _e -> "" end end def to_masto_date(%NaiveDateTime{} = date) do date |> NaiveDateTime.to_iso8601 |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false) end def to_masto_date(date) do try do date |> NaiveDateTime.from_iso8601! |> NaiveDateTime.to_iso8601 |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false) rescue _e -> "" end end defp shortname(name) do if String.length(name) < 30 do name else String.slice(name, 0..30) <> "…" end end end