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