989 lines
27 KiB
Elixir
989 lines
27 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.Transmogrifier do
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@moduledoc """
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A module to handle coding from internal to wire ActivityPub and back.
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"""
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alias Pleroma.Activity
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alias Pleroma.EctoType.ActivityPub.ObjectValidators
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alias Pleroma.Maps
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alias Pleroma.Object
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alias Pleroma.Object.Containment
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Builder
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alias Pleroma.Web.ActivityPub.ObjectValidator
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alias Pleroma.Web.ActivityPub.Pipeline
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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.Federator
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import Ecto.Query
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require Pleroma.Constants
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@doc """
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Modifies an incoming AP object (mastodon format) to our internal format.
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"""
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def fix_object(object, options \\ []) do
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object
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|> strip_internal_fields()
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|> fix_actor()
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|> fix_url()
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|> fix_attachments()
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|> fix_context()
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|> fix_in_reply_to(options)
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|> fix_emoji()
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|> fix_tag()
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|> fix_content_map()
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|> fix_addressing()
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|> fix_summary()
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end
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def fix_summary(%{"summary" => nil} = object) do
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Map.put(object, "summary", "")
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end
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def fix_summary(%{"summary" => _} = object) do
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# summary is present, nothing to do
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object
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end
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def fix_summary(object), do: Map.put(object, "summary", "")
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def fix_addressing_list(map, field) do
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addrs = map[field]
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cond do
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is_list(addrs) ->
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Map.put(map, field, Enum.filter(addrs, &is_binary/1))
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is_binary(addrs) ->
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Map.put(map, field, [addrs])
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true ->
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Map.put(map, field, [])
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end
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end
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# if directMessage flag is set to true, leave the addressing alone
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def fix_explicit_addressing(%{"directMessage" => true} = object, _follower_collection),
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do: object
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def fix_explicit_addressing(%{"to" => to, "cc" => cc} = object, follower_collection) do
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explicit_mentions =
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Utils.determine_explicit_mentions(object) ++
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[Pleroma.Constants.as_public(), follower_collection]
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explicit_to = Enum.filter(to, fn x -> x in explicit_mentions end)
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explicit_cc = Enum.filter(to, fn x -> x not in explicit_mentions end)
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final_cc =
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(cc ++ explicit_cc)
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|> Enum.filter(& &1)
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|> Enum.reject(fn x -> String.ends_with?(x, "/followers") and x != follower_collection end)
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|> Enum.uniq()
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object
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|> Map.put("to", explicit_to)
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|> Map.put("cc", final_cc)
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end
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# if as:Public is addressed, then make sure the followers collection is also addressed
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# so that the activities will be delivered to local users.
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def fix_implicit_addressing(%{"to" => to, "cc" => cc} = object, followers_collection) do
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recipients = to ++ cc
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if followers_collection not in recipients do
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cond do
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Pleroma.Constants.as_public() in cc ->
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to = to ++ [followers_collection]
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Map.put(object, "to", to)
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Pleroma.Constants.as_public() in to ->
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cc = cc ++ [followers_collection]
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Map.put(object, "cc", cc)
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true ->
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object
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end
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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 fix_addressing(object) do
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{:ok, %User{follower_address: follower_collection}} =
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object
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|> Containment.get_actor()
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|> User.get_or_fetch_by_ap_id()
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object
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|> fix_addressing_list("to")
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|> fix_addressing_list("cc")
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|> fix_addressing_list("bto")
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|> fix_addressing_list("bcc")
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|> fix_explicit_addressing(follower_collection)
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|> fix_implicit_addressing(follower_collection)
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end
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def fix_actor(%{"attributedTo" => actor} = object) do
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actor = Containment.get_actor(%{"actor" => actor})
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# TODO: Remove actor field for Objects
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object
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|> Map.put("actor", actor)
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|> Map.put("attributedTo", actor)
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end
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def fix_in_reply_to(object, options \\ [])
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def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object, options)
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when not is_nil(in_reply_to) do
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in_reply_to_id = prepare_in_reply_to(in_reply_to)
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depth = (options[:depth] || 0) + 1
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if Federator.allowed_thread_distance?(depth) do
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with {:ok, replied_object} <- get_obj_helper(in_reply_to_id, options),
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%Activity{} <- Activity.get_create_by_object_ap_id(replied_object.data["id"]) do
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object
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|> Map.put("inReplyTo", replied_object.data["id"])
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|> Map.put("context", replied_object.data["context"] || object["conversation"])
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|> Map.drop(["conversation", "inReplyToAtomUri"])
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else
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_ ->
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object
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end
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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 fix_in_reply_to(object, _options), do: object
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def fix_quote_url_and_maybe_fetch(object, options \\ []) do
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quote_url =
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case Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes.fix_quote_url(object) do
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%{"quoteUrl" => quote_url} -> quote_url
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_ -> nil
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end
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with {:quoting?, true} <- {:quoting?, not is_nil(quote_url)},
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{:ok, quoted_object} <- get_obj_helper(quote_url, options),
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%Activity{} <- Activity.get_create_by_object_ap_id(quoted_object.data["id"]) do
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Map.put(object, "quoteUrl", quoted_object.data["id"])
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else
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{:quoting?, _} ->
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object
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_ ->
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object
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end
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end
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defp prepare_in_reply_to(in_reply_to) do
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cond do
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is_bitstring(in_reply_to) ->
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in_reply_to
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is_map(in_reply_to) && is_bitstring(in_reply_to["id"]) ->
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in_reply_to["id"]
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is_list(in_reply_to) && is_bitstring(Enum.at(in_reply_to, 0)) ->
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Enum.at(in_reply_to, 0)
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true ->
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""
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end
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end
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def fix_context(object) do
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context = object["context"] || object["conversation"] || Utils.generate_context_id()
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object
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|> Map.put("context", context)
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|> Map.drop(["conversation"])
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end
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def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
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attachments =
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Enum.map(attachment, fn data ->
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url =
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cond do
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is_list(data["url"]) -> List.first(data["url"])
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is_map(data["url"]) -> data["url"]
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true -> nil
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end
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media_type =
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cond do
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is_map(url) && url =~ Pleroma.Constants.mime_regex() ->
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url["mediaType"]
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is_bitstring(data["mediaType"]) && data["mediaType"] =~ Pleroma.Constants.mime_regex() ->
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data["mediaType"]
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is_bitstring(data["mimeType"]) && data["mimeType"] =~ Pleroma.Constants.mime_regex() ->
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data["mimeType"]
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true ->
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nil
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end
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href =
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cond do
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is_map(url) && is_binary(url["href"]) -> url["href"]
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is_binary(data["url"]) -> data["url"]
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is_binary(data["href"]) -> data["href"]
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true -> nil
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end
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if href do
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attachment_url =
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%{
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"href" => href,
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"type" => Map.get(url || %{}, "type", "Link")
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}
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|> Maps.put_if_present("mediaType", media_type)
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|> Maps.put_if_present("width", (url || %{})["width"] || data["width"])
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|> Maps.put_if_present("height", (url || %{})["height"] || data["height"])
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%{
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"url" => [attachment_url],
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"type" => data["type"] || "Document"
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}
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|> Maps.put_if_present("mediaType", media_type)
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|> Maps.put_if_present("name", data["name"])
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|> Maps.put_if_present("blurhash", data["blurhash"])
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else
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nil
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end
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end)
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|> Enum.filter(& &1)
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Map.put(object, "attachment", attachments)
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end
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def fix_attachments(%{"attachment" => attachment} = object) when is_map(attachment) do
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object
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|> Map.put("attachment", [attachment])
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|> fix_attachments()
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end
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def fix_attachments(object), do: object
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def fix_url(%{"url" => url} = object) when is_map(url) do
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Map.put(object, "url", url["href"])
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end
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def fix_url(%{"url" => url} = object) when is_list(url) do
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first_element = Enum.at(url, 0)
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url_string =
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cond do
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is_bitstring(first_element) -> first_element
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is_map(first_element) -> first_element["href"] || ""
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true -> ""
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end
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Map.put(object, "url", url_string)
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end
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def fix_url(object), do: object
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def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
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emoji =
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tags
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|> Enum.filter(fn data -> is_map(data) and data["type"] == "Emoji" and data["icon"] end)
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|> Enum.reduce(%{}, fn data, mapping ->
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name = String.trim(data["name"], ":")
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Map.put(mapping, name, data["icon"]["url"])
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end)
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Map.put(object, "emoji", emoji)
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end
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def fix_emoji(%{"tag" => %{"type" => "Emoji"} = tag} = object) do
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name = String.trim(tag["name"], ":")
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emoji = %{name => tag["icon"]["url"]}
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Map.put(object, "emoji", emoji)
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end
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def fix_emoji(object), do: object
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def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
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tags =
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tag
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|> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
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|> Enum.map(fn
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%{"name" => "#" <> hashtag} -> String.downcase(hashtag)
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%{"name" => hashtag} -> String.downcase(hashtag)
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end)
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Map.put(object, "tag", tag ++ tags)
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end
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def fix_tag(%{"tag" => %{} = tag} = object) do
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object
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|> Map.put("tag", [tag])
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|> fix_tag
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end
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def fix_tag(object), do: object
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def fix_content_map(%{"contentMap" => nil} = object) do
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Map.drop(object, ["contentMap"])
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end
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# content map usually only has one language so this will do for now.
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def fix_content_map(%{"contentMap" => content_map} = object) do
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content_groups = Map.to_list(content_map)
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{_, content} = Enum.at(content_groups, 0)
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Map.put(object, "content", content)
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end
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def fix_content_map(object), do: object
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defp fix_type(%{"type" => "Note", "inReplyTo" => reply_id, "name" => _} = object, options)
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when is_binary(reply_id) do
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options = Keyword.put(options, :fetch, true)
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with %Object{data: %{"type" => "Question"}} <- Object.normalize(reply_id, options) do
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Map.put(object, "type", "Answer")
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else
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_ -> object
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end
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end
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defp fix_type(object, _options), do: object
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# Reduce the object list to find the reported user.
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defp get_reported(objects) do
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Enum.reduce_while(objects, nil, fn ap_id, _ ->
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with %User{} = user <- User.get_cached_by_ap_id(ap_id) do
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{:halt, user}
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else
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_ -> {:cont, nil}
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end
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end)
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end
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def handle_incoming(data, options \\ [])
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# Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
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# with nil ID.
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def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} = data, _options) do
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with context <- data["context"] || Utils.generate_context_id(),
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content <- data["content"] || "",
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%User{} = actor <- User.get_cached_by_ap_id(actor),
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# Reduce the object list to find the reported user.
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%User{} = account <- get_reported(objects),
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# Remove the reported user from the object list.
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statuses <- Enum.filter(objects, fn ap_id -> ap_id != account.ap_id end) do
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%{
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actor: actor,
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context: context,
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account: account,
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statuses: statuses,
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content: content,
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additional: %{"cc" => [account.ap_id]}
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}
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|> ActivityPub.flag()
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end
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end
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# disallow objects with bogus IDs
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def handle_incoming(%{"id" => nil}, _options), do: :error
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def handle_incoming(%{"id" => ""}, _options), do: :error
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# length of https:// = 8, should validate better, but good enough for now.
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def handle_incoming(%{"id" => id}, _options) when is_binary(id) and byte_size(id) < 8,
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do: :error
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def handle_incoming(
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%{"type" => "Listen", "object" => %{"type" => "Audio"} = object} = data,
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options
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) do
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actor = Containment.get_actor(data)
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data =
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Map.put(data, "actor", actor)
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|> fix_addressing
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with {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(data["actor"]) do
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reply_depth = (options[:depth] || 0) + 1
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options = Keyword.put(options, :depth, reply_depth)
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object = fix_object(object, options)
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params = %{
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to: data["to"],
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object: object,
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actor: user,
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context: nil,
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local: false,
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published: data["published"],
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additional: Map.take(data, ["cc", "id"])
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}
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ActivityPub.listen(params)
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else
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_e -> :error
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end
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end
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@misskey_reactions %{
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"like" => "👍",
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"love" => "❤️",
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"laugh" => "😆",
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"hmm" => "🤔",
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"surprise" => "😮",
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"congrats" => "🎉",
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"angry" => "💢",
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"confused" => "😥",
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"rip" => "😇",
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"pudding" => "🍮",
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"star" => "⭐"
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}
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@doc "Rewrite misskey likes into EmojiReacts"
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def handle_incoming(
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%{
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"type" => "Like",
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"_misskey_reaction" => reaction
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} = data,
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options
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) do
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data
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|> Map.put("type", "EmojiReact")
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|> Map.put("content", @misskey_reactions[reaction] || reaction)
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|> handle_incoming(options)
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end
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def handle_incoming(
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%{"type" => "Create", "object" => %{"type" => objtype, "id" => obj_id}} = data,
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options
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)
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when objtype in ~w{Question Answer ChatMessage Audio Video Event Article Note Page Image} do
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fetch_options = Keyword.put(options, :depth, (options[:depth] || 0) + 1)
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object =
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data["object"]
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|> strip_internal_fields()
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|> fix_type(fetch_options)
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|> fix_in_reply_to(fetch_options)
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|> fix_quote_url_and_maybe_fetch(fetch_options)
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data = Map.put(data, "object", object)
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options = Keyword.put(options, :local, false)
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with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
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nil <- Activity.get_create_by_object_ap_id(obj_id),
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{:ok, activity, _} <- Pipeline.common_pipeline(data, options) do
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{:ok, activity}
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else
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%Activity{} = activity -> {:ok, activity}
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e -> e
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end
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end
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def handle_incoming(%{"type" => type} = data, _options)
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when type in ~w{Like EmojiReact Announce Add Remove} do
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with :ok <- ObjectValidator.fetch_actor_and_object(data),
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{:ok, activity, _meta} <-
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Pipeline.common_pipeline(data, local: false) do
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{:ok, activity}
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else
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e -> {:error, e}
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end
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end
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def handle_incoming(
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%{"type" => type} = data,
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_options
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)
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when type in ~w{Update Block Follow Accept Reject} do
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with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
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{:ok, activity, _} <-
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Pipeline.common_pipeline(data, local: false) do
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{:ok, activity}
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end
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end
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def handle_incoming(
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%{"type" => "Delete"} = data,
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_options
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) do
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with {:ok, activity, _} <-
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Pipeline.common_pipeline(data, local: false) do
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{:ok, activity}
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else
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{:error, {:validate, _}} = e ->
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# Check if we have a create activity for this
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|
with {:ok, object_id} <- ObjectValidators.ObjectID.cast(data["object"]),
|
|
%Activity{data: %{"actor" => actor}} <-
|
|
Activity.create_by_object_ap_id(object_id) |> Repo.one(),
|
|
# We have one, insert a tombstone and retry
|
|
{:ok, tombstone_data, _} <- Builder.tombstone(actor, object_id),
|
|
{:ok, _tombstone} <- Object.create(tombstone_data) do
|
|
handle_incoming(data)
|
|
else
|
|
_ -> e
|
|
end
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{
|
|
"type" => "Undo",
|
|
"object" => %{"type" => "Follow", "object" => followed},
|
|
"actor" => follower,
|
|
"id" => id
|
|
} = _data,
|
|
_options
|
|
) do
|
|
with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
|
|
{:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower),
|
|
{:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
|
|
User.unfollow(follower, followed)
|
|
{:ok, activity}
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{
|
|
"type" => "Undo",
|
|
"object" => %{"type" => type}
|
|
} = data,
|
|
_options
|
|
)
|
|
when type in ["Like", "EmojiReact", "Announce", "Block"] do
|
|
with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
# For Undos that don't have the complete object attached, try to find it in our database.
|
|
def handle_incoming(
|
|
%{
|
|
"type" => "Undo",
|
|
"object" => object
|
|
} = activity,
|
|
options
|
|
)
|
|
when is_binary(object) do
|
|
with %Activity{data: data} <- Activity.get_by_ap_id(object) do
|
|
activity
|
|
|> Map.put("object", data)
|
|
|> handle_incoming(options)
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{
|
|
"type" => "Move",
|
|
"actor" => origin_actor,
|
|
"object" => origin_actor,
|
|
"target" => target_actor
|
|
},
|
|
_options
|
|
) do
|
|
with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
|
|
{:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor),
|
|
true <- origin_actor in target_user.also_known_as do
|
|
ActivityPub.move(origin_user, target_user, false)
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(_, _), do: :error
|
|
|
|
@spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} | nil
|
|
def get_obj_helper(id, options \\ []) do
|
|
options = Keyword.put(options, :fetch, true)
|
|
|
|
case Object.normalize(id, options) do
|
|
%Object{} = object -> {:ok, object}
|
|
_ -> nil
|
|
end
|
|
end
|
|
|
|
@spec get_embedded_obj_helper(String.t() | Object.t(), User.t()) :: {:ok, Object.t()} | nil
|
|
def get_embedded_obj_helper(%{"attributedTo" => attributed_to, "id" => object_id} = data, %User{
|
|
ap_id: ap_id
|
|
})
|
|
when attributed_to == ap_id do
|
|
with {:ok, activity} <-
|
|
handle_incoming(%{
|
|
"type" => "Create",
|
|
"to" => data["to"],
|
|
"cc" => data["cc"],
|
|
"actor" => attributed_to,
|
|
"object" => data
|
|
}) do
|
|
{:ok, Object.normalize(activity, fetch: false)}
|
|
else
|
|
_ -> get_obj_helper(object_id)
|
|
end
|
|
end
|
|
|
|
def get_embedded_obj_helper(object_id, _) do
|
|
get_obj_helper(object_id)
|
|
end
|
|
|
|
def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do
|
|
with false <- String.starts_with?(in_reply_to, "http"),
|
|
{:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do
|
|
Map.put(object, "inReplyTo", replied_to_object["external_url"] || in_reply_to)
|
|
else
|
|
_e -> object
|
|
end
|
|
end
|
|
|
|
def set_reply_to_uri(obj), do: obj
|
|
|
|
@doc """
|
|
Fedibird compatibility
|
|
https://github.com/fedibird/mastodon/commit/dbd7ae6cf58a92ec67c512296b4daaea0d01e6ac
|
|
"""
|
|
def set_quote_url(%{"quoteUrl" => quote_url} = object) when is_binary(quote_url) do
|
|
Map.put(object, "quoteUri", quote_url)
|
|
end
|
|
|
|
def set_quote_url(obj), do: obj
|
|
|
|
@doc """
|
|
Serialized Mastodon-compatible `replies` collection containing _self-replies_.
|
|
Based on Mastodon's ActivityPub::NoteSerializer#replies.
|
|
"""
|
|
def set_replies(obj_data) do
|
|
replies_uris =
|
|
with limit when limit > 0 <-
|
|
Pleroma.Config.get([:activitypub, :note_replies_output_limit], 0),
|
|
%Object{} = object <- Object.get_cached_by_ap_id(obj_data["id"]) do
|
|
object
|
|
|> Object.self_replies()
|
|
|> select([o], fragment("?->>'id'", o.data))
|
|
|> limit(^limit)
|
|
|> Repo.all()
|
|
else
|
|
_ -> []
|
|
end
|
|
|
|
set_replies(obj_data, replies_uris)
|
|
end
|
|
|
|
defp set_replies(obj, []) do
|
|
obj
|
|
end
|
|
|
|
defp set_replies(obj, replies_uris) do
|
|
replies_collection = %{
|
|
"type" => "Collection",
|
|
"items" => replies_uris
|
|
}
|
|
|
|
Map.merge(obj, %{"replies" => replies_collection})
|
|
end
|
|
|
|
def replies(%{"replies" => %{"first" => %{"items" => items}}}) when not is_nil(items) do
|
|
items
|
|
end
|
|
|
|
def replies(%{"replies" => %{"items" => items}}) when not is_nil(items) do
|
|
items
|
|
end
|
|
|
|
def replies(_), do: []
|
|
|
|
# Prepares the object of an outgoing create activity.
|
|
def prepare_object(object) do
|
|
object
|
|
|> add_hashtags
|
|
|> add_mention_tags
|
|
|> add_emoji_tags
|
|
|> add_attributed_to
|
|
|> prepare_attachments
|
|
|> set_conversation
|
|
|> set_reply_to_uri
|
|
|> set_quote_url
|
|
|> set_replies
|
|
|> strip_internal_fields
|
|
|> strip_internal_tags
|
|
|> set_type
|
|
|> maybe_process_history
|
|
end
|
|
|
|
defp maybe_process_history(%{"formerRepresentations" => %{"orderedItems" => history}} = object) do
|
|
processed_history =
|
|
Enum.map(
|
|
history,
|
|
fn
|
|
item when is_map(item) -> prepare_object(item)
|
|
item -> item
|
|
end
|
|
)
|
|
|
|
put_in(object, ["formerRepresentations", "orderedItems"], processed_history)
|
|
end
|
|
|
|
defp maybe_process_history(object) do
|
|
object
|
|
end
|
|
|
|
# @doc
|
|
# """
|
|
# internal -> Mastodon
|
|
# """
|
|
|
|
def prepare_outgoing(%{"type" => activity_type, "object" => object_id} = data)
|
|
when activity_type in ["Create", "Listen"] do
|
|
object =
|
|
object_id
|
|
|> Object.normalize(fetch: false)
|
|
|> Map.get(:data)
|
|
|> prepare_object
|
|
|
|
data =
|
|
data
|
|
|> Map.put("object", object)
|
|
|> Map.merge(Utils.make_json_ld_header())
|
|
|> Map.delete("bcc")
|
|
|
|
{:ok, data}
|
|
end
|
|
|
|
def prepare_outgoing(%{"type" => "Update", "object" => %{"type" => objtype} = object} = data)
|
|
when objtype in Pleroma.Constants.updatable_object_types() do
|
|
object =
|
|
object
|
|
|> prepare_object
|
|
|
|
data =
|
|
data
|
|
|> Map.put("object", object)
|
|
|> Map.merge(Utils.make_json_ld_header())
|
|
|> Map.delete("bcc")
|
|
|
|
{:ok, data}
|
|
end
|
|
|
|
def prepare_outgoing(%{"type" => "Announce", "actor" => ap_id, "object" => object_id} = data) do
|
|
object =
|
|
object_id
|
|
|> Object.normalize(fetch: false)
|
|
|
|
data =
|
|
if Visibility.is_private?(object) && object.data["actor"] == ap_id do
|
|
data |> Map.put("object", object |> Map.get(:data) |> prepare_object)
|
|
else
|
|
data |> maybe_fix_object_url
|
|
end
|
|
|
|
data =
|
|
data
|
|
|> strip_internal_fields
|
|
|> Map.merge(Utils.make_json_ld_header())
|
|
|> Map.delete("bcc")
|
|
|
|
{:ok, data}
|
|
end
|
|
|
|
# Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
|
|
# because of course it does.
|
|
def prepare_outgoing(%{"type" => "Accept"} = data) do
|
|
with follow_activity <- Activity.normalize(data["object"]) do
|
|
object = %{
|
|
"actor" => follow_activity.actor,
|
|
"object" => follow_activity.data["object"],
|
|
"id" => follow_activity.data["id"],
|
|
"type" => "Follow"
|
|
}
|
|
|
|
data =
|
|
data
|
|
|> Map.put("object", object)
|
|
|> Map.merge(Utils.make_json_ld_header())
|
|
|
|
{:ok, data}
|
|
end
|
|
end
|
|
|
|
def prepare_outgoing(%{"type" => "Reject"} = data) do
|
|
with follow_activity <- Activity.normalize(data["object"]) do
|
|
object = %{
|
|
"actor" => follow_activity.actor,
|
|
"object" => follow_activity.data["object"],
|
|
"id" => follow_activity.data["id"],
|
|
"type" => "Follow"
|
|
}
|
|
|
|
data =
|
|
data
|
|
|> Map.put("object", object)
|
|
|> Map.merge(Utils.make_json_ld_header())
|
|
|
|
{:ok, data}
|
|
end
|
|
end
|
|
|
|
def prepare_outgoing(%{"type" => _type} = data) do
|
|
data =
|
|
data
|
|
|> strip_internal_fields
|
|
|> maybe_fix_object_url
|
|
|> Map.merge(Utils.make_json_ld_header())
|
|
|
|
{:ok, data}
|
|
end
|
|
|
|
def maybe_fix_object_url(%{"object" => object} = data) when is_binary(object) do
|
|
with false <- String.starts_with?(object, "http"),
|
|
{:fetch, {:ok, relative_object}} <- {:fetch, get_obj_helper(object)},
|
|
%{data: %{"external_url" => external_url}} when not is_nil(external_url) <-
|
|
relative_object do
|
|
Map.put(data, "object", external_url)
|
|
else
|
|
{:fetch, _} ->
|
|
data
|
|
|
|
_ ->
|
|
data
|
|
end
|
|
end
|
|
|
|
def maybe_fix_object_url(data), do: data
|
|
|
|
def add_hashtags(object) do
|
|
tags =
|
|
(object["tag"] || [])
|
|
|> Enum.map(fn
|
|
# Expand internal representation tags into AS2 tags.
|
|
tag when is_binary(tag) ->
|
|
%{
|
|
"href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
|
|
"name" => "##{tag}",
|
|
"type" => "Hashtag"
|
|
}
|
|
|
|
# Do not process tags which are already AS2 tag objects.
|
|
tag when is_map(tag) ->
|
|
tag
|
|
end)
|
|
|
|
Map.put(object, "tag", tags)
|
|
end
|
|
|
|
# TODO These should be added on our side on insertion, it doesn't make much
|
|
# sense to regenerate these all the time
|
|
def add_mention_tags(object) do
|
|
to = object["to"] || []
|
|
cc = object["cc"] || []
|
|
mentioned = User.get_users_from_set(to ++ cc, local_only: false)
|
|
|
|
mentions = Enum.map(mentioned, &build_mention_tag/1)
|
|
|
|
tags = object["tag"] || []
|
|
Map.put(object, "tag", tags ++ mentions)
|
|
end
|
|
|
|
defp build_mention_tag(%{ap_id: ap_id, nickname: nickname} = _) do
|
|
%{"type" => "Mention", "href" => ap_id, "name" => "@#{nickname}"}
|
|
end
|
|
|
|
def take_emoji_tags(%User{emoji: emoji}) do
|
|
emoji
|
|
|> Map.to_list()
|
|
|> Enum.map(&build_emoji_tag/1)
|
|
end
|
|
|
|
# TODO: we should probably send mtime instead of unix epoch time for updated
|
|
def add_emoji_tags(%{"emoji" => emoji} = object) do
|
|
tags = object["tag"] || []
|
|
|
|
out = Enum.map(emoji, &build_emoji_tag/1)
|
|
|
|
Map.put(object, "tag", tags ++ out)
|
|
end
|
|
|
|
def add_emoji_tags(object), do: object
|
|
|
|
defp build_emoji_tag({name, url}) do
|
|
%{
|
|
"icon" => %{"url" => "#{URI.encode(url)}", "type" => "Image"},
|
|
"name" => ":" <> name <> ":",
|
|
"type" => "Emoji",
|
|
"updated" => "1970-01-01T00:00:00Z",
|
|
"id" => url
|
|
}
|
|
end
|
|
|
|
def set_conversation(object) do
|
|
Map.put(object, "conversation", object["context"])
|
|
end
|
|
|
|
def set_type(%{"type" => "Answer"} = object) do
|
|
Map.put(object, "type", "Note")
|
|
end
|
|
|
|
def set_type(object), do: object
|
|
|
|
def add_attributed_to(object) do
|
|
attributed_to = object["attributedTo"] || object["actor"]
|
|
Map.put(object, "attributedTo", attributed_to)
|
|
end
|
|
|
|
# TODO: Revisit this
|
|
def prepare_attachments(%{"type" => "ChatMessage"} = object), do: object
|
|
|
|
def prepare_attachments(object) do
|
|
attachments =
|
|
object
|
|
|> Map.get("attachment", [])
|
|
|> Enum.map(fn data ->
|
|
[%{"mediaType" => media_type, "href" => href} = url | _] = data["url"]
|
|
|
|
%{
|
|
"url" => href,
|
|
"mediaType" => media_type,
|
|
"name" => data["name"],
|
|
"type" => "Document"
|
|
}
|
|
|> Maps.put_if_present("width", url["width"])
|
|
|> Maps.put_if_present("height", url["height"])
|
|
|> Maps.put_if_present("blurhash", data["blurhash"])
|
|
end)
|
|
|
|
Map.put(object, "attachment", attachments)
|
|
end
|
|
|
|
def strip_internal_fields(object) do
|
|
Map.drop(object, Pleroma.Constants.object_internal_fields())
|
|
end
|
|
|
|
defp strip_internal_tags(%{"tag" => tags} = object) do
|
|
tags = Enum.filter(tags, fn x -> is_map(x) end)
|
|
|
|
Map.put(object, "tag", tags)
|
|
end
|
|
|
|
defp strip_internal_tags(object), do: object
|
|
|
|
def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do
|
|
Map.put(data, "url", url["href"])
|
|
end
|
|
|
|
def maybe_fix_user_url(data), do: data
|
|
|
|
def maybe_fix_user_object(data), do: maybe_fix_user_url(data)
|
|
end
|