906 lines
24 KiB
Elixir
906 lines
24 KiB
Elixir
defmodule Pleroma.Web.ActivityPub.Transmogrifier do
|
|
@moduledoc """
|
|
A module to handle coding from internal to wire ActivityPub and back.
|
|
"""
|
|
alias Pleroma.User
|
|
alias Pleroma.Object
|
|
alias Pleroma.Activity
|
|
alias Pleroma.Repo
|
|
alias Pleroma.Web.ActivityPub.ActivityPub
|
|
alias Pleroma.Web.ActivityPub.Utils
|
|
|
|
import Ecto.Query
|
|
|
|
require Logger
|
|
|
|
def get_actor(%{"actor" => actor}) when is_binary(actor) do
|
|
actor
|
|
end
|
|
|
|
def get_actor(%{"actor" => actor}) when is_list(actor) do
|
|
if is_binary(Enum.at(actor, 0)) do
|
|
Enum.at(actor, 0)
|
|
else
|
|
Enum.find(actor, fn %{"type" => type} -> type in ["Person", "Service", "Application"] end)
|
|
|> Map.get("id")
|
|
end
|
|
end
|
|
|
|
def get_actor(%{"actor" => %{"id" => id}}) when is_bitstring(id) do
|
|
id
|
|
end
|
|
|
|
def get_actor(%{"actor" => nil, "attributedTo" => actor}) when not is_nil(actor) do
|
|
get_actor(%{"actor" => actor})
|
|
end
|
|
|
|
@doc """
|
|
Checks that an imported AP object's actor matches the domain it came from.
|
|
"""
|
|
def contain_origin(id, %{"actor" => nil}), do: :error
|
|
|
|
def contain_origin(id, %{"actor" => actor} = params) do
|
|
id_uri = URI.parse(id)
|
|
actor_uri = URI.parse(get_actor(params))
|
|
|
|
if id_uri.host == actor_uri.host do
|
|
:ok
|
|
else
|
|
:error
|
|
end
|
|
end
|
|
|
|
def contain_origin_from_id(id, %{"id" => nil}), do: :error
|
|
|
|
def contain_origin_from_id(id, %{"id" => other_id} = params) do
|
|
id_uri = URI.parse(id)
|
|
other_uri = URI.parse(other_id)
|
|
|
|
if id_uri.host == other_uri.host do
|
|
:ok
|
|
else
|
|
:error
|
|
end
|
|
end
|
|
|
|
@doc """
|
|
Modifies an incoming AP object (mastodon format) to our internal format.
|
|
"""
|
|
def fix_object(object) do
|
|
object
|
|
|> fix_actor
|
|
|> fix_attachments
|
|
|> fix_url
|
|
|> fix_context
|
|
|> fix_in_reply_to
|
|
|> fix_emoji
|
|
|> fix_tag
|
|
|> fix_content_map
|
|
|> fix_likes
|
|
|> fix_addressing
|
|
end
|
|
|
|
def fix_addressing_list(map, field) do
|
|
if is_binary(map[field]) do
|
|
map
|
|
|> Map.put(field, [map[field]])
|
|
else
|
|
map
|
|
end
|
|
end
|
|
|
|
def fix_addressing(map) do
|
|
map
|
|
|> fix_addressing_list("to")
|
|
|> fix_addressing_list("cc")
|
|
|> fix_addressing_list("bto")
|
|
|> fix_addressing_list("bcc")
|
|
end
|
|
|
|
def fix_actor(%{"attributedTo" => actor} = object) do
|
|
object
|
|
|> Map.put("actor", get_actor(%{"actor" => actor}))
|
|
end
|
|
|
|
def fix_likes(%{"likes" => likes} = object)
|
|
when is_bitstring(likes) do
|
|
# Check for standardisation
|
|
# This is what Peertube does
|
|
# curl -H 'Accept: application/activity+json' $likes | jq .totalItems
|
|
object
|
|
|> Map.put("likes", [])
|
|
|> Map.put("like_count", 0)
|
|
end
|
|
|
|
def fix_likes(object) do
|
|
object
|
|
end
|
|
|
|
def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object)
|
|
when not is_nil(in_reply_to) do
|
|
in_reply_to_id =
|
|
cond do
|
|
is_bitstring(in_reply_to) ->
|
|
in_reply_to
|
|
|
|
is_map(in_reply_to) && is_bitstring(in_reply_to["id"]) ->
|
|
in_reply_to["id"]
|
|
|
|
is_list(in_reply_to) && is_bitstring(Enum.at(in_reply_to, 0)) ->
|
|
Enum.at(in_reply_to, 0)
|
|
|
|
# Maybe I should output an error too?
|
|
true ->
|
|
""
|
|
end
|
|
|
|
case fetch_obj_helper(in_reply_to_id) do
|
|
{:ok, replied_object} ->
|
|
with %Activity{} = activity <-
|
|
Activity.get_create_activity_by_object_ap_id(replied_object.data["id"]) do
|
|
object
|
|
|> Map.put("inReplyTo", replied_object.data["id"])
|
|
|> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
|
|
|> Map.put("inReplyToStatusId", activity.id)
|
|
|> Map.put("conversation", replied_object.data["context"] || object["conversation"])
|
|
|> Map.put("context", replied_object.data["context"] || object["conversation"])
|
|
else
|
|
e ->
|
|
Logger.error("Couldn't fetch \"#{inspect(in_reply_to_id)}\", error: #{inspect(e)}")
|
|
object
|
|
end
|
|
|
|
e ->
|
|
Logger.error("Couldn't fetch \"#{inspect(in_reply_to_id)}\", error: #{inspect(e)}")
|
|
object
|
|
end
|
|
end
|
|
|
|
def fix_in_reply_to(object), do: object
|
|
|
|
def fix_context(object) do
|
|
context = object["context"] || object["conversation"] || Utils.generate_context_id()
|
|
|
|
object
|
|
|> Map.put("context", context)
|
|
|> Map.put("conversation", context)
|
|
end
|
|
|
|
def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
|
|
attachments =
|
|
attachment
|
|
|> Enum.map(fn data ->
|
|
url = [%{"type" => "Link", "mediaType" => data["mediaType"], "href" => data["url"]}]
|
|
Map.put(data, "url", url)
|
|
end)
|
|
|
|
object
|
|
|> Map.put("attachment", attachments)
|
|
end
|
|
|
|
def fix_attachments(%{"attachment" => attachment} = object) when is_map(attachment) do
|
|
Map.put(object, "attachment", [attachment])
|
|
|> fix_attachments()
|
|
end
|
|
|
|
def fix_attachments(object), do: object
|
|
|
|
def fix_url(%{"url" => url} = object) when is_map(url) do
|
|
object
|
|
|> Map.put("url", url["href"])
|
|
end
|
|
|
|
def fix_url(%{"url" => url} = object) when is_list(url) do
|
|
first_element = Enum.at(url, 0)
|
|
|
|
url_string =
|
|
cond do
|
|
is_bitstring(first_element) -> first_element
|
|
is_map(first_element) -> first_element["href"] || ""
|
|
true -> ""
|
|
end
|
|
|
|
object
|
|
|> Map.put("url", url_string)
|
|
end
|
|
|
|
def fix_url(object), do: object
|
|
|
|
def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
|
|
emoji = tags |> Enum.filter(fn data -> data["type"] == "Emoji" and data["icon"] end)
|
|
|
|
emoji =
|
|
emoji
|
|
|> Enum.reduce(%{}, fn data, mapping ->
|
|
name = String.trim(data["name"], ":")
|
|
|
|
mapping |> Map.put(name, data["icon"]["url"])
|
|
end)
|
|
|
|
# we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
|
|
emoji = Map.merge(object["emoji"] || %{}, emoji)
|
|
|
|
object
|
|
|> Map.put("emoji", emoji)
|
|
end
|
|
|
|
def fix_emoji(%{"tag" => %{"type" => "Emoji"} = tag} = object) do
|
|
name = String.trim(tag["name"], ":")
|
|
emoji = %{name => tag["icon"]["url"]}
|
|
|
|
object
|
|
|> Map.put("emoji", emoji)
|
|
end
|
|
|
|
def fix_emoji(object), do: object
|
|
|
|
def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
|
|
tags =
|
|
tag
|
|
|> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
|
|
|> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
|
|
|
|
combined = tag ++ tags
|
|
|
|
object
|
|
|> Map.put("tag", combined)
|
|
end
|
|
|
|
def fix_tag(%{"tag" => %{"type" => "Hashtag", "name" => hashtag} = tag} = object) do
|
|
combined = [tag, String.slice(hashtag, 1..-1)]
|
|
|
|
object
|
|
|> Map.put("tag", combined)
|
|
end
|
|
|
|
def fix_tag(object), do: object
|
|
|
|
# content map usually only has one language so this will do for now.
|
|
def fix_content_map(%{"contentMap" => content_map} = object) do
|
|
content_groups = Map.to_list(content_map)
|
|
{_, content} = Enum.at(content_groups, 0)
|
|
|
|
object
|
|
|> Map.put("content", content)
|
|
end
|
|
|
|
def fix_content_map(object), do: object
|
|
|
|
# disallow objects with bogus IDs
|
|
def handle_incoming(%{"id" => nil}), do: :error
|
|
def handle_incoming(%{"id" => ""}), do: :error
|
|
# length of https:// = 8, should validate better, but good enough for now.
|
|
def handle_incoming(%{"id" => id}) when not (is_binary(id) and length(id) > 8), do: :error
|
|
|
|
# TODO: validate those with a Ecto scheme
|
|
# - tags
|
|
# - emoji
|
|
def handle_incoming(%{"type" => "Create", "object" => %{"type" => objtype} = object} = data)
|
|
when objtype in ["Article", "Note", "Video", "Page"] do
|
|
actor = get_actor(data)
|
|
|
|
data =
|
|
Map.put(data, "actor", actor)
|
|
|> fix_addressing
|
|
|
|
with nil <- Activity.get_create_activity_by_object_ap_id(object["id"]),
|
|
%User{} = user <- User.get_or_fetch_by_ap_id(data["actor"]) do
|
|
object = fix_object(data["object"])
|
|
|
|
params = %{
|
|
to: data["to"],
|
|
object: object,
|
|
actor: user,
|
|
context: object["conversation"],
|
|
local: false,
|
|
published: data["published"],
|
|
additional:
|
|
Map.take(data, [
|
|
"cc",
|
|
"id"
|
|
])
|
|
}
|
|
|
|
ActivityPub.create(params)
|
|
else
|
|
%Activity{} = activity -> {:ok, activity}
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data
|
|
) do
|
|
with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
|
|
%User{} = follower <- User.get_or_fetch_by_ap_id(follower),
|
|
{:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
|
|
if not User.locked?(followed) do
|
|
ActivityPub.accept(%{
|
|
to: [follower.ap_id],
|
|
actor: followed.ap_id,
|
|
object: data,
|
|
local: true
|
|
})
|
|
|
|
User.follow(follower, followed)
|
|
end
|
|
|
|
{:ok, activity}
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
|
|
with true <- id =~ "follows",
|
|
%User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
|
|
%Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
|
|
{:ok, activity}
|
|
else
|
|
_ -> {:error, nil}
|
|
end
|
|
end
|
|
|
|
defp mastodon_follow_hack(_), do: {:error, nil}
|
|
|
|
defp get_follow_activity(follow_object, followed) do
|
|
with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
|
|
{_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
|
|
{:ok, activity}
|
|
else
|
|
# Can't find the activity. This might a Mastodon 2.3 "Accept"
|
|
{:activity, nil} ->
|
|
mastodon_follow_hack(follow_object, followed)
|
|
|
|
_ ->
|
|
{:error, nil}
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{"type" => "Accept", "object" => follow_object, "actor" => actor, "id" => id} = data
|
|
) do
|
|
with actor <- get_actor(data),
|
|
%User{} = followed <- User.get_or_fetch_by_ap_id(actor),
|
|
{:ok, follow_activity} <- get_follow_activity(follow_object, followed),
|
|
{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
|
|
%User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
|
|
{:ok, activity} <-
|
|
ActivityPub.accept(%{
|
|
to: follow_activity.data["to"],
|
|
type: "Accept",
|
|
actor: followed.ap_id,
|
|
object: follow_activity.data["id"],
|
|
local: false
|
|
}) do
|
|
if not User.following?(follower, followed) do
|
|
{:ok, follower} = User.follow(follower, followed)
|
|
end
|
|
|
|
{:ok, activity}
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{"type" => "Reject", "object" => follow_object, "actor" => actor, "id" => id} = data
|
|
) do
|
|
with actor <- get_actor(data),
|
|
%User{} = followed <- User.get_or_fetch_by_ap_id(actor),
|
|
{:ok, follow_activity} <- get_follow_activity(follow_object, followed),
|
|
{:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
|
|
%User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
|
|
{:ok, activity} <-
|
|
ActivityPub.accept(%{
|
|
to: follow_activity.data["to"],
|
|
type: "Accept",
|
|
actor: followed.ap_id,
|
|
object: follow_activity.data["id"],
|
|
local: false
|
|
}) do
|
|
User.unfollow(follower, followed)
|
|
|
|
{:ok, activity}
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{"type" => "Like", "object" => object_id, "actor" => actor, "id" => id} = data
|
|
) do
|
|
with actor <- get_actor(data),
|
|
%User{} = actor <- User.get_or_fetch_by_ap_id(actor),
|
|
{:ok, object} <- get_obj_helper(object_id) || fetch_obj_helper(object_id),
|
|
{:ok, activity, _object} <- ActivityPub.like(actor, object, id, false) do
|
|
{:ok, activity}
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{"type" => "Announce", "object" => object_id, "actor" => actor, "id" => id} = data
|
|
) do
|
|
with actor <- get_actor(data),
|
|
%User{} = actor <- User.get_or_fetch_by_ap_id(actor),
|
|
{:ok, object} <- get_obj_helper(object_id) || fetch_obj_helper(object_id),
|
|
{:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false) do
|
|
{:ok, activity}
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => actor_id} =
|
|
data
|
|
)
|
|
when object_type in ["Person", "Application", "Service", "Organization"] do
|
|
with %User{ap_id: ^actor_id} = actor <- User.get_by_ap_id(object["id"]) do
|
|
{:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
|
|
|
|
banner = new_user_data[:info]["banner"]
|
|
locked = new_user_data[:info]["locked"] || false
|
|
|
|
update_data =
|
|
new_user_data
|
|
|> Map.take([:name, :bio, :avatar])
|
|
|> Map.put(:info, Map.merge(actor.info, %{"banner" => banner, "locked" => locked}))
|
|
|
|
actor
|
|
|> User.upgrade_changeset(update_data)
|
|
|> User.update_and_set_cache()
|
|
|
|
ActivityPub.update(%{
|
|
local: false,
|
|
to: data["to"] || [],
|
|
cc: data["cc"] || [],
|
|
object: object,
|
|
actor: actor_id
|
|
})
|
|
else
|
|
e ->
|
|
Logger.error(e)
|
|
:error
|
|
end
|
|
end
|
|
|
|
# TODO: We presently assume that any actor on the same origin domain as the object being
|
|
# deleted has the rights to delete that object. A better way to validate whether or not
|
|
# the object should be deleted is to refetch the object URI, which should return either
|
|
# an error or a tombstone. This would allow us to verify that a deletion actually took
|
|
# place.
|
|
def handle_incoming(
|
|
%{"type" => "Delete", "object" => object_id, "actor" => _actor, "id" => _id} = data
|
|
) do
|
|
object_id = Utils.get_ap_id(object_id)
|
|
|
|
with actor <- get_actor(data),
|
|
%User{} = actor <- User.get_or_fetch_by_ap_id(actor),
|
|
{:ok, object} <- get_obj_helper(object_id) || fetch_obj_helper(object_id),
|
|
:ok <- contain_origin(actor.ap_id, object.data),
|
|
{:ok, activity} <- ActivityPub.delete(object, false) do
|
|
{:ok, activity}
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{
|
|
"type" => "Undo",
|
|
"object" => %{"type" => "Announce", "object" => object_id},
|
|
"actor" => actor,
|
|
"id" => id
|
|
} = data
|
|
) do
|
|
with actor <- get_actor(data),
|
|
%User{} = actor <- User.get_or_fetch_by_ap_id(actor),
|
|
{:ok, object} <- get_obj_helper(object_id) || fetch_obj_helper(object_id),
|
|
{:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do
|
|
{:ok, activity}
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{
|
|
"type" => "Undo",
|
|
"object" => %{"type" => "Follow", "object" => followed},
|
|
"actor" => follower,
|
|
"id" => id
|
|
} = _data
|
|
) do
|
|
with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
|
|
%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" => "Block", "object" => blocked},
|
|
"actor" => blocker,
|
|
"id" => id
|
|
} = _data
|
|
) do
|
|
with true <- Pleroma.Config.get([:activitypub, :accept_blocks]),
|
|
%User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
|
|
%User{} = blocker <- User.get_or_fetch_by_ap_id(blocker),
|
|
{:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
|
|
User.unblock(blocker, blocked)
|
|
{:ok, activity}
|
|
else
|
|
e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = data
|
|
) do
|
|
with true <- Pleroma.Config.get([:activitypub, :accept_blocks]),
|
|
%User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
|
|
%User{} = blocker = User.get_or_fetch_by_ap_id(blocker),
|
|
{:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
|
|
User.unfollow(blocker, blocked)
|
|
User.block(blocker, blocked)
|
|
{:ok, activity}
|
|
else
|
|
e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(
|
|
%{
|
|
"type" => "Undo",
|
|
"object" => %{"type" => "Like", "object" => object_id},
|
|
"actor" => actor,
|
|
"id" => id
|
|
} = data
|
|
) do
|
|
with actor <- get_actor(data),
|
|
%User{} = actor <- User.get_or_fetch_by_ap_id(actor),
|
|
{:ok, object} <- get_obj_helper(object_id) || fetch_obj_helper(object_id),
|
|
{:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
|
|
{:ok, activity}
|
|
else
|
|
_e -> :error
|
|
end
|
|
end
|
|
|
|
def handle_incoming(_), do: :error
|
|
|
|
def fetch_obj_helper(id) when is_bitstring(id), do: ActivityPub.fetch_object_from_id(id)
|
|
def fetch_obj_helper(obj) when is_map(obj), do: ActivityPub.fetch_object_from_id(obj["id"])
|
|
|
|
def get_obj_helper(id) do
|
|
if object = Object.normalize(id), do: {:ok, object}, else: nil
|
|
end
|
|
|
|
def set_reply_to_uri(%{"inReplyTo" => inReplyTo} = object) do
|
|
with false <- String.starts_with?(inReplyTo, "http"),
|
|
{:ok, %{data: replied_to_object}} <- get_obj_helper(inReplyTo) do
|
|
Map.put(object, "inReplyTo", replied_to_object["external_url"] || inReplyTo)
|
|
else
|
|
_e -> object
|
|
end
|
|
end
|
|
|
|
def set_reply_to_uri(obj), do: obj
|
|
|
|
# Prepares the object of an outgoing create activity.
|
|
def prepare_object(object) do
|
|
object
|
|
|> set_sensitive
|
|
|> add_hashtags
|
|
|> add_mention_tags
|
|
|> add_emoji_tags
|
|
|> add_attributed_to
|
|
|> prepare_attachments
|
|
|> set_conversation
|
|
|> set_reply_to_uri
|
|
|> strip_internal_fields
|
|
|> strip_internal_tags
|
|
end
|
|
|
|
# @doc
|
|
# """
|
|
# internal -> Mastodon
|
|
# """
|
|
|
|
def prepare_outgoing(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do
|
|
object =
|
|
object
|
|
|> prepare_object
|
|
|
|
data =
|
|
data
|
|
|> Map.put("object", object)
|
|
|> Map.merge(Utils.make_json_ld_header())
|
|
|
|
{: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
|
|
|> maybe_fix_object_url
|
|
|> Map.merge(Utils.make_json_ld_header())
|
|
|
|
{:ok, data}
|
|
end
|
|
|
|
def maybe_fix_object_url(data) do
|
|
if is_binary(data["object"]) and not String.starts_with?(data["object"], "http") do
|
|
case fetch_obj_helper(data["object"]) do
|
|
{:ok, relative_object} ->
|
|
if relative_object.data["external_url"] do
|
|
_data =
|
|
data
|
|
|> Map.put("object", relative_object.data["external_url"])
|
|
else
|
|
data
|
|
end
|
|
|
|
e ->
|
|
Logger.error("Couldn't fetch #{data["object"]} #{inspect(e)}")
|
|
data
|
|
end
|
|
else
|
|
data
|
|
end
|
|
end
|
|
|
|
def add_hashtags(object) do
|
|
tags =
|
|
(object["tag"] || [])
|
|
|> Enum.map(fn tag ->
|
|
%{
|
|
"href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
|
|
"name" => "##{tag}",
|
|
"type" => "Hashtag"
|
|
}
|
|
end)
|
|
|
|
object
|
|
|> Map.put("tag", tags)
|
|
end
|
|
|
|
def add_mention_tags(object) do
|
|
mentions =
|
|
object
|
|
|> Utils.get_notified_from_object()
|
|
|> Enum.map(fn user ->
|
|
%{"type" => "Mention", "href" => user.ap_id, "name" => "@#{user.nickname}"}
|
|
end)
|
|
|
|
tags = object["tag"] || []
|
|
|
|
object
|
|
|> Map.put("tag", tags ++ mentions)
|
|
end
|
|
|
|
# TODO: we should probably send mtime instead of unix epoch time for updated
|
|
def add_emoji_tags(object) do
|
|
tags = object["tag"] || []
|
|
emoji = object["emoji"] || []
|
|
|
|
out =
|
|
emoji
|
|
|> Enum.map(fn {name, url} ->
|
|
%{
|
|
"icon" => %{"url" => url, "type" => "Image"},
|
|
"name" => ":" <> name <> ":",
|
|
"type" => "Emoji",
|
|
"updated" => "1970-01-01T00:00:00Z",
|
|
"id" => url
|
|
}
|
|
end)
|
|
|
|
object
|
|
|> Map.put("tag", tags ++ out)
|
|
end
|
|
|
|
def set_conversation(object) do
|
|
Map.put(object, "conversation", object["context"])
|
|
end
|
|
|
|
def set_sensitive(object) do
|
|
tags = object["tag"] || []
|
|
Map.put(object, "sensitive", "nsfw" in tags)
|
|
end
|
|
|
|
def add_attributed_to(object) do
|
|
attributedTo = object["attributedTo"] || object["actor"]
|
|
|
|
object
|
|
|> Map.put("attributedTo", attributedTo)
|
|
end
|
|
|
|
def prepare_attachments(object) do
|
|
attachments =
|
|
(object["attachment"] || [])
|
|
|> Enum.map(fn data ->
|
|
[%{"mediaType" => media_type, "href" => href} | _] = data["url"]
|
|
%{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"}
|
|
end)
|
|
|
|
object
|
|
|> Map.put("attachment", attachments)
|
|
end
|
|
|
|
defp strip_internal_fields(object) do
|
|
object
|
|
|> Map.drop([
|
|
"likes",
|
|
"like_count",
|
|
"announcements",
|
|
"announcement_count",
|
|
"emoji",
|
|
"context_id"
|
|
])
|
|
end
|
|
|
|
defp strip_internal_tags(%{"tag" => tags} = object) do
|
|
tags =
|
|
tags
|
|
|> Enum.filter(fn x -> is_map(x) end)
|
|
|
|
object
|
|
|> Map.put("tag", tags)
|
|
end
|
|
|
|
defp strip_internal_tags(object), do: object
|
|
|
|
defp user_upgrade_task(user) do
|
|
old_follower_address = User.ap_followers(user)
|
|
|
|
q =
|
|
from(
|
|
u in User,
|
|
where: ^old_follower_address in u.following,
|
|
update: [
|
|
set: [
|
|
following:
|
|
fragment(
|
|
"array_replace(?,?,?)",
|
|
u.following,
|
|
^old_follower_address,
|
|
^user.follower_address
|
|
)
|
|
]
|
|
]
|
|
)
|
|
|
|
Repo.update_all(q, [])
|
|
|
|
maybe_retire_websub(user.ap_id)
|
|
|
|
# Only do this for recent activties, don't go through the whole db.
|
|
# Only look at the last 1000 activities.
|
|
since = (Repo.aggregate(Activity, :max, :id) || 0) - 1_000
|
|
|
|
q =
|
|
from(
|
|
a in Activity,
|
|
where: ^old_follower_address in a.recipients,
|
|
where: a.id > ^since,
|
|
update: [
|
|
set: [
|
|
recipients:
|
|
fragment(
|
|
"array_replace(?,?,?)",
|
|
a.recipients,
|
|
^old_follower_address,
|
|
^user.follower_address
|
|
)
|
|
]
|
|
]
|
|
)
|
|
|
|
Repo.update_all(q, [])
|
|
end
|
|
|
|
def upgrade_user_from_ap_id(ap_id, async \\ true) do
|
|
with %User{local: false} = user <- User.get_by_ap_id(ap_id),
|
|
{:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id) do
|
|
data =
|
|
data
|
|
|> Map.put(:info, Map.merge(user.info, data[:info]))
|
|
|
|
already_ap = User.ap_enabled?(user)
|
|
|
|
{:ok, user} =
|
|
User.upgrade_changeset(user, data)
|
|
|> Repo.update()
|
|
|
|
if !already_ap do
|
|
# This could potentially take a long time, do it in the background
|
|
if async do
|
|
Task.start(fn ->
|
|
user_upgrade_task(user)
|
|
end)
|
|
else
|
|
user_upgrade_task(user)
|
|
end
|
|
end
|
|
|
|
{:ok, user}
|
|
else
|
|
e -> e
|
|
end
|
|
end
|
|
|
|
def maybe_retire_websub(ap_id) do
|
|
# some sanity checks
|
|
if is_binary(ap_id) && String.length(ap_id) > 8 do
|
|
q =
|
|
from(
|
|
ws in Pleroma.Web.Websub.WebsubClientSubscription,
|
|
where: fragment("? like ?", ws.topic, ^"#{ap_id}%")
|
|
)
|
|
|
|
Repo.delete_all(q)
|
|
end
|
|
end
|
|
|
|
def maybe_fix_user_url(data) do
|
|
if is_map(data["url"]) do
|
|
Map.put(data, "url", data["url"]["href"])
|
|
else
|
|
data
|
|
end
|
|
end
|
|
|
|
def maybe_fix_user_object(data) do
|
|
data
|
|
|> maybe_fix_user_url
|
|
end
|
|
end
|