forked from AkkomaGang/akkoma
576 lines
16 KiB
Elixir
576 lines
16 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.CommonAPI.Utils do
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import Pleroma.Web.Gettext
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import Pleroma.Web.ControllerHelper, only: [truthy_param?: 1]
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alias Calendar.Strftime
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alias Pleroma.Activity
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alias Pleroma.Config
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alias Pleroma.Conversation.Participation
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alias Pleroma.Formatter
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alias Pleroma.Object
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alias Pleroma.Plugs.AuthenticationPlug
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.Utils
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alias Pleroma.Web.ActivityPub.Visibility
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alias Pleroma.Web.MediaProxy
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require Logger
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require Pleroma.Constants
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def attachments_from_ids(%{media_ids: ids, descriptions: desc}) do
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attachments_from_ids_descs(ids, desc)
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end
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def attachments_from_ids(%{media_ids: ids}) do
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attachments_from_ids_no_descs(ids)
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end
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def attachments_from_ids(_), do: []
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def attachments_from_ids_no_descs([]), do: []
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def attachments_from_ids_no_descs(ids) do
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Enum.map(ids, fn media_id ->
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case Repo.get(Object, media_id) do
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%Object{data: data} -> data
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_ -> nil
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end
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end)
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|> Enum.reject(&is_nil/1)
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end
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def attachments_from_ids_descs([], _), do: []
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def attachments_from_ids_descs(ids, descs_str) do
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{_, descs} = Jason.decode(descs_str)
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Enum.map(ids, fn media_id ->
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case Repo.get(Object, media_id) do
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%Object{data: data} ->
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Map.put(data, "name", descs[media_id])
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_ ->
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nil
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end
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end)
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|> Enum.reject(&is_nil/1)
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end
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@spec get_to_and_cc(
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User.t(),
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list(String.t()),
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Activity.t() | nil,
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String.t(),
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Participation.t() | nil
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) :: {list(String.t()), list(String.t())}
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def get_to_and_cc(_, _, _, _, %Participation{} = participation) do
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participation = Repo.preload(participation, :recipients)
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{Enum.map(participation.recipients, & &1.ap_id), []}
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end
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def get_to_and_cc(user, mentioned_users, inReplyTo, "public", _) do
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to = [Pleroma.Constants.as_public() | mentioned_users]
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cc = [user.follower_address]
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if inReplyTo do
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{Enum.uniq([inReplyTo.data["actor"] | to]), cc}
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else
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{to, cc}
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end
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end
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def get_to_and_cc(user, mentioned_users, inReplyTo, "unlisted", _) do
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to = [user.follower_address | mentioned_users]
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cc = [Pleroma.Constants.as_public()]
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if inReplyTo do
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{Enum.uniq([inReplyTo.data["actor"] | to]), cc}
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else
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{to, cc}
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end
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end
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def get_to_and_cc(user, mentioned_users, inReplyTo, "private", _) do
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{to, cc} = get_to_and_cc(user, mentioned_users, inReplyTo, "direct", nil)
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{[user.follower_address | to], cc}
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end
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def get_to_and_cc(_user, mentioned_users, inReplyTo, "direct", _) do
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# If the OP is a DM already, add the implicit actor.
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if inReplyTo && Visibility.is_direct?(inReplyTo) do
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{Enum.uniq([inReplyTo.data["actor"] | mentioned_users]), []}
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else
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{mentioned_users, []}
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end
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end
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def get_to_and_cc(_user, mentions, _inReplyTo, {:list, _}, _), do: {mentions, []}
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def get_addressed_users(_, to) when is_list(to) do
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User.get_ap_ids_by_nicknames(to)
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end
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def get_addressed_users(mentioned_users, _), do: mentioned_users
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def maybe_add_list_data(activity_params, user, {:list, list_id}) do
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case Pleroma.List.get(list_id, user) do
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%Pleroma.List{} = list ->
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activity_params
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|> put_in([:additional, "bcc"], [list.ap_id])
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|> put_in([:additional, "listMessage"], list.ap_id)
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|> put_in([:object, "listMessage"], list.ap_id)
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_ ->
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activity_params
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end
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end
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def maybe_add_list_data(activity_params, _, _), do: activity_params
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def make_poll_data(%{"poll" => %{"expires_in" => expires_in}} = data)
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when is_binary(expires_in) do
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# In some cases mastofe sends out strings instead of integers
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data
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|> put_in(["poll", "expires_in"], String.to_integer(expires_in))
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|> make_poll_data()
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end
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def make_poll_data(%{poll: %{options: options, expires_in: expires_in}} = data)
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when is_list(options) do
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limits = Pleroma.Config.get([:instance, :poll_limits])
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with :ok <- validate_poll_expiration(expires_in, limits),
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:ok <- validate_poll_options_amount(options, limits),
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:ok <- validate_poll_options_length(options, limits) do
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{option_notes, emoji} =
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Enum.map_reduce(options, %{}, fn option, emoji ->
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note = %{
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"name" => option,
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"type" => "Note",
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"replies" => %{"type" => "Collection", "totalItems" => 0}
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}
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{note, Map.merge(emoji, Pleroma.Emoji.Formatter.get_emoji_map(option))}
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end)
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end_time =
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DateTime.utc_now()
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|> DateTime.add(expires_in)
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|> DateTime.to_iso8601()
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key = if truthy_param?(data.poll[:multiple]), do: "anyOf", else: "oneOf"
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poll = %{"type" => "Question", key => option_notes, "closed" => end_time}
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{:ok, {poll, emoji}}
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end
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end
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def make_poll_data(%{"poll" => poll}) when is_map(poll) do
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{:error, "Invalid poll"}
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end
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def make_poll_data(_data) do
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{:ok, {%{}, %{}}}
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end
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defp validate_poll_options_amount(options, %{max_options: max_options}) do
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if Enum.count(options) > max_options do
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{:error, "Poll can't contain more than #{max_options} options"}
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else
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:ok
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end
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end
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defp validate_poll_options_length(options, %{max_option_chars: max_option_chars}) do
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if Enum.any?(options, &(String.length(&1) > max_option_chars)) do
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{:error, "Poll options cannot be longer than #{max_option_chars} characters each"}
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else
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:ok
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end
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end
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defp validate_poll_expiration(expires_in, %{min_expiration: min, max_expiration: max}) do
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cond do
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expires_in > max -> {:error, "Expiration date is too far in the future"}
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expires_in < min -> {:error, "Expiration date is too soon"}
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true -> :ok
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end
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end
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def make_content_html(
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status,
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attachments,
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data,
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visibility
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) do
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attachment_links =
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data
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|> Map.get("attachment_links", Config.get([:instance, :attachment_links]))
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|> truthy_param?()
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content_type = get_content_type(data[:content_type])
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options =
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if visibility == "direct" && Config.get([:instance, :safe_dm_mentions]) do
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[safe_mention: true]
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else
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[]
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end
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status
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|> format_input(content_type, options)
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|> maybe_add_attachments(attachments, attachment_links)
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|> maybe_add_nsfw_tag(data)
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end
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defp get_content_type(content_type) do
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if Enum.member?(Config.get([:instance, :allowed_post_formats]), content_type) do
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content_type
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else
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"text/plain"
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end
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end
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defp maybe_add_nsfw_tag({text, mentions, tags}, %{"sensitive" => sensitive})
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when sensitive in [true, "True", "true", "1"] do
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{text, mentions, [{"#nsfw", "nsfw"} | tags]}
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end
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defp maybe_add_nsfw_tag(data, _), do: data
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def make_context(_, %Participation{} = participation) do
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Repo.preload(participation, :conversation).conversation.ap_id
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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 maybe_add_attachments(parsed, _attachments, false = _no_links), do: parsed
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def maybe_add_attachments({text, mentions, tags}, attachments, _no_links) do
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text = add_attachments(text, attachments)
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{text, mentions, tags}
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end
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def add_attachments(text, attachments) do
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attachment_text = Enum.map(attachments, &build_attachment_link/1)
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Enum.join([text | attachment_text], "<br>")
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end
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defp build_attachment_link(%{"url" => [%{"href" => href} | _]} = attachment) do
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name = attachment["name"] || URI.decode(Path.basename(href))
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href = MediaProxy.url(href)
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"<a href=\"#{href}\" class='attachment'>#{shortname(name)}</a>"
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end
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defp build_attachment_link(_), do: ""
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def format_input(text, format, options \\ [])
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@doc """
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Formatting text to plain text.
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"""
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def format_input(text, "text/plain", options) do
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text
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|> Formatter.html_escape("text/plain")
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|> Formatter.linkify(options)
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|> (fn {text, mentions, tags} ->
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{String.replace(text, ~r/\r?\n/, "<br>"), mentions, tags}
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end).()
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end
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@doc """
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Formatting text as BBCode.
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"""
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def format_input(text, "text/bbcode", options) do
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text
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|> String.replace(~r/\r/, "")
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|> Formatter.html_escape("text/plain")
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|> BBCode.to_html()
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|> (fn {:ok, html} -> html end).()
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|> Formatter.linkify(options)
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end
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@doc """
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Formatting text to html.
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"""
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def format_input(text, "text/html", options) do
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text
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|> Formatter.html_escape("text/html")
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|> Formatter.linkify(options)
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end
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@doc """
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Formatting text to markdown.
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"""
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def format_input(text, "text/markdown", options) do
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text
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|> Formatter.mentions_escape(options)
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|> Earmark.as_html!(%Earmark.Options{renderer: Pleroma.EarmarkRenderer})
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|> Formatter.linkify(options)
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|> Formatter.html_escape("text/html")
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end
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def make_note_data(
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actor,
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to,
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context,
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content_html,
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attachments,
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in_reply_to,
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tags,
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summary \\ nil,
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cc \\ [],
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sensitive \\ false,
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extra_params \\ %{}
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) do
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%{
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"type" => "Note",
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"to" => to,
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"cc" => cc,
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"content" => content_html,
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"summary" => summary,
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"sensitive" => truthy_param?(sensitive),
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"context" => context,
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"attachment" => attachments,
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"actor" => actor,
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"tag" => Keyword.values(tags) |> Enum.uniq()
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}
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|> add_in_reply_to(in_reply_to)
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|> Map.merge(extra_params)
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end
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defp add_in_reply_to(object, nil), do: object
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defp add_in_reply_to(object, in_reply_to) do
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with %Object{} = in_reply_to_object <- Object.normalize(in_reply_to) do
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Map.put(object, "inReplyTo", in_reply_to_object.data["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) when is_binary(date) do
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with {:ok, date, _offset} <- DateTime.from_iso8601(date) do
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format_asctime(date)
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else
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_e ->
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Logger.warn("Date #{date} in wrong format, must be ISO 8601")
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""
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end
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end
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def date_to_asctime(date) do
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Logger.warn("Date #{date} in wrong format, must be ISO 8601")
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""
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end
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def to_masto_date(%NaiveDateTime{} = date) do
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date
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|> NaiveDateTime.to_iso8601()
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|> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
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end
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def to_masto_date(date) when is_binary(date) do
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with {:ok, date} <- NaiveDateTime.from_iso8601(date) do
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to_masto_date(date)
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else
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_ -> ""
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end
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end
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def to_masto_date(_), do: ""
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defp shortname(name) do
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with max_length when max_length > 0 <-
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Config.get([Pleroma.Upload, :filename_display_max_length], 30),
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true <- String.length(name) > max_length do
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String.slice(name, 0..max_length) <> "…"
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else
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_ -> name
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end
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end
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@spec confirm_current_password(User.t(), String.t()) :: {:ok, User.t()} | {:error, String.t()}
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def confirm_current_password(user, password) do
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with %User{local: true} = db_user <- User.get_cached_by_id(user.id),
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true <- AuthenticationPlug.checkpw(password, db_user.password_hash) do
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{:ok, db_user}
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else
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_ -> {:error, dgettext("errors", "Invalid password.")}
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end
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end
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def maybe_notify_to_recipients(
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recipients,
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%Activity{data: %{"to" => to, "type" => _type}} = _activity
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) do
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recipients ++ to
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end
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def maybe_notify_to_recipients(recipients, _), do: recipients
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def maybe_notify_mentioned_recipients(
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recipients,
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%Activity{data: %{"to" => _to, "type" => type} = data} = activity
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)
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when type == "Create" do
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object = Object.normalize(activity, false)
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object_data =
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cond do
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not is_nil(object) ->
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object.data
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is_map(data["object"]) ->
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data["object"]
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true ->
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%{}
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end
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tagged_mentions = maybe_extract_mentions(object_data)
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recipients ++ tagged_mentions
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end
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def maybe_notify_mentioned_recipients(recipients, _), do: recipients
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# Do not notify subscribers if author is making a reply
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def maybe_notify_subscribers(recipients, %Activity{
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object: %Object{data: %{"inReplyTo" => _ap_id}}
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}) do
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recipients
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end
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def maybe_notify_subscribers(
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recipients,
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%Activity{data: %{"actor" => actor, "type" => type}} = activity
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)
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when type == "Create" do
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with %User{} = user <- User.get_cached_by_ap_id(actor) do
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subscriber_ids =
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user
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|> User.subscriber_users()
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|> Enum.filter(&Visibility.visible_for_user?(activity, &1))
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|> Enum.map(& &1.ap_id)
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recipients ++ subscriber_ids
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else
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_e -> recipients
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end
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end
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def maybe_notify_subscribers(recipients, _), do: recipients
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def maybe_notify_followers(recipients, %Activity{data: %{"type" => "Move"}} = activity) do
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with %User{} = user <- User.get_cached_by_ap_id(activity.actor) do
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user
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|> User.get_followers()
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|> Enum.map(& &1.ap_id)
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|> Enum.concat(recipients)
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else
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_e -> recipients
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end
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end
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def maybe_notify_followers(recipients, _), do: recipients
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def maybe_extract_mentions(%{"tag" => tag}) do
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tag
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|> Enum.filter(fn x -> is_map(x) && x["type"] == "Mention" end)
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|> Enum.map(fn x -> x["href"] end)
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|> Enum.uniq()
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end
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def maybe_extract_mentions(_), do: []
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def make_report_content_html(nil), do: {:ok, {nil, [], []}}
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def make_report_content_html(comment) do
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max_size = Pleroma.Config.get([:instance, :max_report_comment_size], 1000)
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if String.length(comment) <= max_size do
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{:ok, format_input(comment, "text/plain")}
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else
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{:error,
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dgettext("errors", "Comment must be up to %{max_size} characters", max_size: max_size)}
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end
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end
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def get_report_statuses(%User{ap_id: actor}, %{status_ids: status_ids})
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when is_list(status_ids) do
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{:ok, Activity.all_by_actor_and_id(actor, status_ids)}
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end
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def get_report_statuses(_, _), do: {:ok, nil}
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# DEPRECATED mostly, context objects are now created at insertion time.
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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, dgettext("errors", "No such conversation")}
|
|
end
|
|
end
|
|
|
|
def make_answer_data(%User{ap_id: ap_id}, object, name) do
|
|
%{
|
|
"type" => "Answer",
|
|
"actor" => ap_id,
|
|
"cc" => [object.data["actor"]],
|
|
"to" => [],
|
|
"name" => name,
|
|
"inReplyTo" => object.data["id"]
|
|
}
|
|
end
|
|
|
|
def validate_character_limit("" = _full_payload, [] = _attachments) do
|
|
{:error, dgettext("errors", "Cannot post an empty status without attachments")}
|
|
end
|
|
|
|
def validate_character_limit(full_payload, _attachments) do
|
|
limit = Pleroma.Config.get([:instance, :limit])
|
|
length = String.length(full_payload)
|
|
|
|
if length <= limit do
|
|
:ok
|
|
else
|
|
{:error, dgettext("errors", "The status is over the character limit")}
|
|
end
|
|
end
|
|
end
|