1039 lines
30 KiB
Elixir
1039 lines
30 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Web.ActivityPub.ActivityPub do
|
|
alias Pleroma.Activity
|
|
alias Pleroma.Config
|
|
alias Pleroma.Conversation
|
|
alias Pleroma.Notification
|
|
alias Pleroma.Object
|
|
alias Pleroma.Object.Fetcher
|
|
alias Pleroma.Pagination
|
|
alias Pleroma.Repo
|
|
alias Pleroma.Upload
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.ActivityPub.MRF
|
|
alias Pleroma.Web.ActivityPub.Transmogrifier
|
|
alias Pleroma.Web.WebFinger
|
|
|
|
import Ecto.Query
|
|
import Pleroma.Web.ActivityPub.Utils
|
|
import Pleroma.Web.ActivityPub.Visibility
|
|
|
|
require Logger
|
|
|
|
# For Announce activities, we filter the recipients based on following status for any actors
|
|
# that match actual users. See issue #164 for more information about why this is necessary.
|
|
defp get_recipients(%{"type" => "Announce"} = data) do
|
|
to = data["to"] || []
|
|
cc = data["cc"] || []
|
|
actor = User.get_cached_by_ap_id(data["actor"])
|
|
|
|
recipients =
|
|
(to ++ cc)
|
|
|> Enum.filter(fn recipient ->
|
|
case User.get_cached_by_ap_id(recipient) do
|
|
nil ->
|
|
true
|
|
|
|
user ->
|
|
User.following?(user, actor)
|
|
end
|
|
end)
|
|
|
|
{recipients, to, cc}
|
|
end
|
|
|
|
defp get_recipients(%{"type" => "Create"} = data) do
|
|
to = data["to"] || []
|
|
cc = data["cc"] || []
|
|
actor = data["actor"] || []
|
|
recipients = (to ++ cc ++ [actor]) |> Enum.uniq()
|
|
{recipients, to, cc}
|
|
end
|
|
|
|
defp get_recipients(data) do
|
|
to = data["to"] || []
|
|
cc = data["cc"] || []
|
|
recipients = to ++ cc
|
|
{recipients, to, cc}
|
|
end
|
|
|
|
defp check_actor_is_active(actor) do
|
|
if not is_nil(actor) do
|
|
with user <- User.get_cached_by_ap_id(actor),
|
|
false <- user.info.deactivated do
|
|
:ok
|
|
else
|
|
_e -> :reject
|
|
end
|
|
else
|
|
:ok
|
|
end
|
|
end
|
|
|
|
defp check_remote_limit(%{"object" => %{"content" => content}}) when not is_nil(content) do
|
|
limit = Config.get([:instance, :remote_limit])
|
|
String.length(content) <= limit
|
|
end
|
|
|
|
defp check_remote_limit(_), do: true
|
|
|
|
def increase_note_count_if_public(actor, object) do
|
|
if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
|
|
end
|
|
|
|
def decrease_note_count_if_public(actor, object) do
|
|
if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
|
|
end
|
|
|
|
def increase_replies_count_if_reply(%{
|
|
"object" => %{"inReplyTo" => reply_ap_id} = object,
|
|
"type" => "Create"
|
|
}) do
|
|
if is_public?(object) do
|
|
Object.increase_replies_count(reply_ap_id)
|
|
end
|
|
end
|
|
|
|
def increase_replies_count_if_reply(_create_data), do: :noop
|
|
|
|
def decrease_replies_count_if_reply(%Object{
|
|
data: %{"inReplyTo" => reply_ap_id} = object
|
|
}) do
|
|
if is_public?(object) do
|
|
Object.decrease_replies_count(reply_ap_id)
|
|
end
|
|
end
|
|
|
|
def decrease_replies_count_if_reply(_object), do: :noop
|
|
|
|
def increase_poll_votes_if_vote(%{
|
|
"object" => %{"inReplyTo" => reply_ap_id, "name" => name},
|
|
"type" => "Create"
|
|
}) do
|
|
Object.increase_vote_count(reply_ap_id, name)
|
|
end
|
|
|
|
def increase_poll_votes_if_vote(_create_data), do: :noop
|
|
|
|
def insert(map, local \\ true, fake \\ false) when is_map(map) do
|
|
with nil <- Activity.normalize(map),
|
|
map <- lazy_put_activity_defaults(map, fake),
|
|
:ok <- check_actor_is_active(map["actor"]),
|
|
{_, true} <- {:remote_limit_error, check_remote_limit(map)},
|
|
{:ok, map} <- MRF.filter(map),
|
|
{recipients, _, _} = get_recipients(map),
|
|
{:fake, false, map, recipients} <- {:fake, fake, map, recipients},
|
|
{:ok, map, object} <- insert_full_object(map) do
|
|
{:ok, activity} =
|
|
Repo.insert(%Activity{
|
|
data: map,
|
|
local: local,
|
|
actor: map["actor"],
|
|
recipients: recipients
|
|
})
|
|
|
|
# Splice in the child object if we have one.
|
|
activity =
|
|
if !is_nil(object) do
|
|
Map.put(activity, :object, object)
|
|
else
|
|
activity
|
|
end
|
|
|
|
PleromaJobQueue.enqueue(:background, Pleroma.Web.RichMedia.Helpers, [:fetch, activity])
|
|
|
|
Notification.create_notifications(activity)
|
|
|
|
participations =
|
|
activity
|
|
|> Conversation.create_or_bump_for()
|
|
|> get_participations()
|
|
|
|
stream_out(activity)
|
|
stream_out_participations(participations)
|
|
{:ok, activity}
|
|
else
|
|
%Activity{} = activity ->
|
|
{:ok, activity}
|
|
|
|
{:fake, true, map, recipients} ->
|
|
activity = %Activity{
|
|
data: map,
|
|
local: local,
|
|
actor: map["actor"],
|
|
recipients: recipients,
|
|
id: "pleroma:fakeid"
|
|
}
|
|
|
|
Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
|
|
{:ok, activity}
|
|
|
|
error ->
|
|
{:error, error}
|
|
end
|
|
end
|
|
|
|
defp get_participations({:ok, %{participations: participations}}), do: participations
|
|
defp get_participations(_), do: []
|
|
|
|
def stream_out_participations(participations) do
|
|
participations =
|
|
participations
|
|
|> Repo.preload(:user)
|
|
|
|
Enum.each(participations, fn participation ->
|
|
Pleroma.Web.Streamer.stream("participation", participation)
|
|
end)
|
|
end
|
|
|
|
def stream_out(activity) do
|
|
public = "https://www.w3.org/ns/activitystreams#Public"
|
|
|
|
if activity.data["type"] in ["Create", "Announce", "Delete"] do
|
|
object = Object.normalize(activity)
|
|
# Do not stream out poll replies
|
|
unless object.data["type"] == "Answer" do
|
|
Pleroma.Web.Streamer.stream("user", activity)
|
|
Pleroma.Web.Streamer.stream("list", activity)
|
|
|
|
if Enum.member?(activity.data["to"], public) do
|
|
Pleroma.Web.Streamer.stream("public", activity)
|
|
|
|
if activity.local do
|
|
Pleroma.Web.Streamer.stream("public:local", activity)
|
|
end
|
|
|
|
if activity.data["type"] in ["Create"] do
|
|
object.data
|
|
|> Map.get("tag", [])
|
|
|> Enum.filter(fn tag -> is_bitstring(tag) end)
|
|
|> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end)
|
|
|
|
if object.data["attachment"] != [] do
|
|
Pleroma.Web.Streamer.stream("public:media", activity)
|
|
|
|
if activity.local do
|
|
Pleroma.Web.Streamer.stream("public:local:media", activity)
|
|
end
|
|
end
|
|
end
|
|
else
|
|
# TODO: Write test, replace with visibility test
|
|
if !Enum.member?(activity.data["cc"] || [], public) &&
|
|
!Enum.member?(
|
|
activity.data["to"],
|
|
User.get_cached_by_ap_id(activity.data["actor"]).follower_address
|
|
),
|
|
do: Pleroma.Web.Streamer.stream("direct", activity)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def create(%{to: to, actor: actor, context: context, object: object} = params, fake \\ false) do
|
|
additional = params[:additional] || %{}
|
|
# only accept false as false value
|
|
local = !(params[:local] == false)
|
|
published = params[:published]
|
|
|
|
with create_data <-
|
|
make_create_data(
|
|
%{to: to, actor: actor, published: published, context: context, object: object},
|
|
additional
|
|
),
|
|
{:ok, activity} <- insert(create_data, local, fake),
|
|
{:fake, false, activity} <- {:fake, fake, activity},
|
|
_ <- increase_replies_count_if_reply(create_data),
|
|
_ <- increase_poll_votes_if_vote(create_data),
|
|
# Changing note count prior to enqueuing federation task in order to avoid
|
|
# race conditions on updating user.info
|
|
{:ok, _actor} <- increase_note_count_if_public(actor, activity),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
else
|
|
{:fake, true, activity} ->
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
def accept(%{to: to, actor: actor, object: object} = params) do
|
|
# only accept false as false value
|
|
local = !(params[:local] == false)
|
|
|
|
with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
|
|
{:ok, activity} <- insert(data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
def reject(%{to: to, actor: actor, object: object} = params) do
|
|
# only accept false as false value
|
|
local = !(params[:local] == false)
|
|
|
|
with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
|
|
{:ok, activity} <- insert(data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
def update(%{to: to, cc: cc, actor: actor, object: object} = params) do
|
|
# only accept false as false value
|
|
local = !(params[:local] == false)
|
|
|
|
with data <- %{
|
|
"to" => to,
|
|
"cc" => cc,
|
|
"type" => "Update",
|
|
"actor" => actor,
|
|
"object" => object
|
|
},
|
|
{:ok, activity} <- insert(data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
# TODO: This is weird, maybe we shouldn't check here if we can make the activity.
|
|
def like(
|
|
%User{ap_id: ap_id} = user,
|
|
%Object{data: %{"id" => _}} = object,
|
|
activity_id \\ nil,
|
|
local \\ true
|
|
) do
|
|
with nil <- get_existing_like(ap_id, object),
|
|
like_data <- make_like_data(user, object, activity_id),
|
|
{:ok, activity} <- insert(like_data, local),
|
|
{:ok, object} <- add_like_to_object(activity, object),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity, object}
|
|
else
|
|
%Activity{} = activity -> {:ok, activity, object}
|
|
error -> {:error, error}
|
|
end
|
|
end
|
|
|
|
def unlike(
|
|
%User{} = actor,
|
|
%Object{} = object,
|
|
activity_id \\ nil,
|
|
local \\ true
|
|
) do
|
|
with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
|
|
unlike_data <- make_unlike_data(actor, like_activity, activity_id),
|
|
{:ok, unlike_activity} <- insert(unlike_data, local),
|
|
{:ok, _activity} <- Repo.delete(like_activity),
|
|
{:ok, object} <- remove_like_from_object(like_activity, object),
|
|
:ok <- maybe_federate(unlike_activity) do
|
|
{:ok, unlike_activity, like_activity, object}
|
|
else
|
|
_e -> {:ok, object}
|
|
end
|
|
end
|
|
|
|
def announce(
|
|
%User{ap_id: _} = user,
|
|
%Object{data: %{"id" => _}} = object,
|
|
activity_id \\ nil,
|
|
local \\ true,
|
|
public \\ true
|
|
) do
|
|
with true <- is_public?(object),
|
|
announce_data <- make_announce_data(user, object, activity_id, public),
|
|
{:ok, activity} <- insert(announce_data, local),
|
|
{:ok, object} <- add_announce_to_object(activity, object),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity, object}
|
|
else
|
|
error -> {:error, error}
|
|
end
|
|
end
|
|
|
|
def unannounce(
|
|
%User{} = actor,
|
|
%Object{} = object,
|
|
activity_id \\ nil,
|
|
local \\ true
|
|
) do
|
|
with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
|
|
unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
|
|
{:ok, unannounce_activity} <- insert(unannounce_data, local),
|
|
:ok <- maybe_federate(unannounce_activity),
|
|
{:ok, _activity} <- Repo.delete(announce_activity),
|
|
{:ok, object} <- remove_announce_from_object(announce_activity, object) do
|
|
{:ok, unannounce_activity, object}
|
|
else
|
|
_e -> {:ok, object}
|
|
end
|
|
end
|
|
|
|
def follow(follower, followed, activity_id \\ nil, local \\ true) do
|
|
with data <- make_follow_data(follower, followed, activity_id),
|
|
{:ok, activity} <- insert(data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
|
|
with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
|
|
{:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
|
|
unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
|
|
{:ok, activity} <- insert(unfollow_data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
|
|
user = User.get_cached_by_ap_id(actor)
|
|
to = (object.data["to"] || []) ++ (object.data["cc"] || [])
|
|
|
|
with {:ok, object, activity} <- Object.delete(object),
|
|
data <- %{
|
|
"type" => "Delete",
|
|
"actor" => actor,
|
|
"object" => id,
|
|
"to" => to,
|
|
"deleted_activity_id" => activity && activity.id
|
|
},
|
|
{:ok, activity} <- insert(data, local),
|
|
_ <- decrease_replies_count_if_reply(object),
|
|
# Changing note count prior to enqueuing federation task in order to avoid
|
|
# race conditions on updating user.info
|
|
{:ok, _actor} <- decrease_note_count_if_public(user, object),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
def block(blocker, blocked, activity_id \\ nil, local \\ true) do
|
|
outgoing_blocks = Config.get([:activitypub, :outgoing_blocks])
|
|
unfollow_blocked = Config.get([:activitypub, :unfollow_blocked])
|
|
|
|
if unfollow_blocked do
|
|
follow_activity = fetch_latest_follow(blocker, blocked)
|
|
if follow_activity, do: unfollow(blocker, blocked, nil, local)
|
|
end
|
|
|
|
with true <- outgoing_blocks,
|
|
block_data <- make_block_data(blocker, blocked, activity_id),
|
|
{:ok, activity} <- insert(block_data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
else
|
|
_e -> {:ok, nil}
|
|
end
|
|
end
|
|
|
|
def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
|
|
with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
|
|
unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
|
|
{:ok, activity} <- insert(unblock_data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
def flag(
|
|
%{
|
|
actor: actor,
|
|
context: context,
|
|
account: account,
|
|
statuses: statuses,
|
|
content: content
|
|
} = params
|
|
) do
|
|
# only accept false as false value
|
|
local = !(params[:local] == false)
|
|
forward = !(params[:forward] == false)
|
|
|
|
additional = params[:additional] || %{}
|
|
|
|
params = %{
|
|
actor: actor,
|
|
context: context,
|
|
account: account,
|
|
statuses: statuses,
|
|
content: content
|
|
}
|
|
|
|
additional =
|
|
if forward do
|
|
Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
|
|
else
|
|
Map.merge(additional, %{"to" => [], "cc" => []})
|
|
end
|
|
|
|
with flag_data <- make_flag_data(params, additional),
|
|
{:ok, activity} <- insert(flag_data, local),
|
|
:ok <- maybe_federate(activity) do
|
|
Enum.each(User.all_superusers(), fn superuser ->
|
|
superuser
|
|
|> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
|
|
|> Pleroma.Emails.Mailer.deliver_async()
|
|
end)
|
|
|
|
{:ok, activity}
|
|
end
|
|
end
|
|
|
|
defp fetch_activities_for_context_query(context, opts) do
|
|
public = ["https://www.w3.org/ns/activitystreams#Public"]
|
|
|
|
recipients =
|
|
if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public
|
|
|
|
from(activity in Activity)
|
|
|> maybe_preload_objects(opts)
|
|
|> restrict_blocked(opts)
|
|
|> restrict_recipients(recipients, opts["user"])
|
|
|> where(
|
|
[activity],
|
|
fragment(
|
|
"?->>'type' = ? and ?->>'context' = ?",
|
|
activity.data,
|
|
"Create",
|
|
activity.data,
|
|
^context
|
|
)
|
|
)
|
|
|> exclude_poll_votes(opts)
|
|
|> order_by([activity], desc: activity.id)
|
|
end
|
|
|
|
@spec fetch_activities_for_context(String.t(), keyword() | map()) :: [Activity.t()]
|
|
def fetch_activities_for_context(context, opts \\ %{}) do
|
|
context
|
|
|> fetch_activities_for_context_query(opts)
|
|
|> Repo.all()
|
|
end
|
|
|
|
@spec fetch_latest_activity_id_for_context(String.t(), keyword() | map()) ::
|
|
Pleroma.FlakeId.t() | nil
|
|
def fetch_latest_activity_id_for_context(context, opts \\ %{}) do
|
|
context
|
|
|> fetch_activities_for_context_query(Map.merge(%{"skip_preload" => true}, opts))
|
|
|> limit(1)
|
|
|> select([a], a.id)
|
|
|> Repo.one()
|
|
end
|
|
|
|
def fetch_public_activities(opts \\ %{}) do
|
|
q = fetch_activities_query(["https://www.w3.org/ns/activitystreams#Public"], opts)
|
|
|
|
q
|
|
|> restrict_unlisted()
|
|
|> Pagination.fetch_paginated(opts)
|
|
|> Enum.reverse()
|
|
end
|
|
|
|
@valid_visibilities ~w[direct unlisted public private]
|
|
|
|
defp restrict_visibility(query, %{visibility: visibility})
|
|
when is_list(visibility) do
|
|
if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
|
|
query =
|
|
from(
|
|
a in query,
|
|
where:
|
|
fragment(
|
|
"activity_visibility(?, ?, ?) = ANY (?)",
|
|
a.actor,
|
|
a.recipients,
|
|
a.data,
|
|
^visibility
|
|
)
|
|
)
|
|
|
|
query
|
|
else
|
|
Logger.error("Could not restrict visibility to #{visibility}")
|
|
end
|
|
end
|
|
|
|
defp restrict_visibility(query, %{visibility: visibility})
|
|
when visibility in @valid_visibilities do
|
|
from(
|
|
a in query,
|
|
where:
|
|
fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
|
|
)
|
|
end
|
|
|
|
defp restrict_visibility(_query, %{visibility: visibility})
|
|
when visibility not in @valid_visibilities do
|
|
Logger.error("Could not restrict visibility to #{visibility}")
|
|
end
|
|
|
|
defp restrict_visibility(query, _visibility), do: query
|
|
|
|
defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _),
|
|
do: query
|
|
|
|
defp restrict_thread_visibility(
|
|
query,
|
|
%{"user" => %User{info: %{skip_thread_containment: true}}},
|
|
_
|
|
),
|
|
do: query
|
|
|
|
defp restrict_thread_visibility(query, %{"user" => %User{ap_id: ap_id}}, _) do
|
|
from(
|
|
a in query,
|
|
where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data)
|
|
)
|
|
end
|
|
|
|
defp restrict_thread_visibility(query, _, _), do: query
|
|
|
|
def fetch_user_activities(user, reading_user, params \\ %{}) do
|
|
params =
|
|
params
|
|
|> Map.put("type", ["Create", "Announce"])
|
|
|> Map.put("actor_id", user.ap_id)
|
|
|> Map.put("whole_db", true)
|
|
|> Map.put("pinned_activity_ids", user.info.pinned_activities)
|
|
|
|
recipients =
|
|
if reading_user do
|
|
["https://www.w3.org/ns/activitystreams#Public"] ++
|
|
[reading_user.ap_id | reading_user.following]
|
|
else
|
|
["https://www.w3.org/ns/activitystreams#Public"]
|
|
end
|
|
|
|
fetch_activities(recipients, params)
|
|
|> Enum.reverse()
|
|
end
|
|
|
|
defp restrict_since(query, %{"since_id" => ""}), do: query
|
|
|
|
defp restrict_since(query, %{"since_id" => since_id}) do
|
|
from(activity in query, where: activity.id > ^since_id)
|
|
end
|
|
|
|
defp restrict_since(query, _), do: query
|
|
|
|
defp restrict_tag_reject(_query, %{"tag_reject" => _tag_reject, "skip_preload" => true}) do
|
|
raise "Can't use the child object without preloading!"
|
|
end
|
|
|
|
defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
|
|
when is_list(tag_reject) and tag_reject != [] do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
|
|
)
|
|
end
|
|
|
|
defp restrict_tag_reject(query, _), do: query
|
|
|
|
defp restrict_tag_all(_query, %{"tag_all" => _tag_all, "skip_preload" => true}) do
|
|
raise "Can't use the child object without preloading!"
|
|
end
|
|
|
|
defp restrict_tag_all(query, %{"tag_all" => tag_all})
|
|
when is_list(tag_all) and tag_all != [] do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
|
|
)
|
|
end
|
|
|
|
defp restrict_tag_all(query, _), do: query
|
|
|
|
defp restrict_tag(_query, %{"tag" => _tag, "skip_preload" => true}) do
|
|
raise "Can't use the child object without preloading!"
|
|
end
|
|
|
|
defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
|
|
)
|
|
end
|
|
|
|
defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
|
|
)
|
|
end
|
|
|
|
defp restrict_tag(query, _), do: query
|
|
|
|
defp restrict_recipients(query, [], _user), do: query
|
|
|
|
defp restrict_recipients(query, recipients, nil) do
|
|
from(activity in query, where: fragment("? && ?", ^recipients, activity.recipients))
|
|
end
|
|
|
|
defp restrict_recipients(query, recipients, user) do
|
|
from(
|
|
activity in query,
|
|
where: fragment("? && ?", ^recipients, activity.recipients),
|
|
or_where: activity.actor == ^user.ap_id
|
|
)
|
|
end
|
|
|
|
defp restrict_local(query, %{"local_only" => true}) do
|
|
from(activity in query, where: activity.local == true)
|
|
end
|
|
|
|
defp restrict_local(query, _), do: query
|
|
|
|
defp restrict_actor(query, %{"actor_id" => actor_id}) do
|
|
from(activity in query, where: activity.actor == ^actor_id)
|
|
end
|
|
|
|
defp restrict_actor(query, _), do: query
|
|
|
|
defp restrict_type(query, %{"type" => type}) when is_binary(type) do
|
|
from(activity in query, where: fragment("?->>'type' = ?", activity.data, ^type))
|
|
end
|
|
|
|
defp restrict_type(query, %{"type" => type}) do
|
|
from(activity in query, where: fragment("?->>'type' = ANY(?)", activity.data, ^type))
|
|
end
|
|
|
|
defp restrict_type(query, _), do: query
|
|
|
|
defp restrict_state(query, %{"state" => state}) do
|
|
from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
|
|
end
|
|
|
|
defp restrict_state(query, _), do: query
|
|
|
|
defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
|
|
from(
|
|
activity in query,
|
|
where: fragment(~s(? <@ (? #> '{"object","likes"}'\)), ^ap_id, activity.data)
|
|
)
|
|
end
|
|
|
|
defp restrict_favorited_by(query, _), do: query
|
|
|
|
defp restrict_media(_query, %{"only_media" => _val, "skip_preload" => true}) do
|
|
raise "Can't use the child object without preloading!"
|
|
end
|
|
|
|
defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
|
|
from(
|
|
[_activity, object] in query,
|
|
where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
|
|
)
|
|
end
|
|
|
|
defp restrict_media(query, _), do: query
|
|
|
|
defp restrict_replies(query, %{"exclude_replies" => val}) when val == "true" or val == "1" do
|
|
from(
|
|
activity in query,
|
|
where: fragment("?->'object'->>'inReplyTo' is null", activity.data)
|
|
)
|
|
end
|
|
|
|
defp restrict_replies(query, _), do: query
|
|
|
|
defp restrict_reblogs(query, %{"exclude_reblogs" => val}) when val == "true" or val == "1" do
|
|
from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
|
|
end
|
|
|
|
defp restrict_reblogs(query, _), do: query
|
|
|
|
defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query
|
|
|
|
defp restrict_muted(query, %{"muting_user" => %User{info: info}}) do
|
|
mutes = info.mutes
|
|
|
|
from(
|
|
activity in query,
|
|
where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
|
|
where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes)
|
|
)
|
|
end
|
|
|
|
defp restrict_muted(query, _), do: query
|
|
|
|
defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
|
|
blocks = info.blocks || []
|
|
domain_blocks = info.domain_blocks || []
|
|
|
|
query =
|
|
if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
|
|
|
|
from(
|
|
[activity, object: o] in query,
|
|
where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
|
|
where: fragment("not (? && ?)", activity.recipients, ^blocks),
|
|
where:
|
|
fragment(
|
|
"not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
|
|
activity.data,
|
|
activity.data,
|
|
^blocks
|
|
),
|
|
where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks),
|
|
where: fragment("not (split_part(?->>'actor', '/', 3) = ANY(?))", o.data, ^domain_blocks)
|
|
)
|
|
end
|
|
|
|
defp restrict_blocked(query, _), do: query
|
|
|
|
defp restrict_unlisted(query) do
|
|
from(
|
|
activity in query,
|
|
where:
|
|
fragment(
|
|
"not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
|
|
activity.data,
|
|
^["https://www.w3.org/ns/activitystreams#Public"]
|
|
)
|
|
)
|
|
end
|
|
|
|
defp restrict_pinned(query, %{"pinned" => "true", "pinned_activity_ids" => ids}) do
|
|
from(activity in query, where: activity.id in ^ids)
|
|
end
|
|
|
|
defp restrict_pinned(query, _), do: query
|
|
|
|
defp restrict_muted_reblogs(query, %{"muting_user" => %User{info: info}}) do
|
|
muted_reblogs = info.muted_reblogs || []
|
|
|
|
from(
|
|
activity in query,
|
|
where:
|
|
fragment(
|
|
"not ( ?->>'type' = 'Announce' and ? = ANY(?))",
|
|
activity.data,
|
|
activity.actor,
|
|
^muted_reblogs
|
|
)
|
|
)
|
|
end
|
|
|
|
defp restrict_muted_reblogs(query, _), do: query
|
|
|
|
defp exclude_poll_votes(query, %{"include_poll_votes" => "true"}), do: query
|
|
|
|
defp exclude_poll_votes(query, _) do
|
|
if has_named_binding?(query, :object) do
|
|
from([activity, object: o] in query,
|
|
where: fragment("not(?->>'type' = ?)", o.data, "Answer")
|
|
)
|
|
else
|
|
query
|
|
end
|
|
end
|
|
|
|
defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query
|
|
|
|
defp maybe_preload_objects(query, _) do
|
|
query
|
|
|> Activity.with_preloaded_object()
|
|
end
|
|
|
|
defp maybe_preload_bookmarks(query, %{"skip_preload" => true}), do: query
|
|
|
|
defp maybe_preload_bookmarks(query, opts) do
|
|
query
|
|
|> Activity.with_preloaded_bookmark(opts["user"])
|
|
end
|
|
|
|
defp maybe_set_thread_muted_field(query, %{"skip_preload" => true}), do: query
|
|
|
|
defp maybe_set_thread_muted_field(query, opts) do
|
|
query
|
|
|> Activity.with_set_thread_muted_field(opts["user"])
|
|
end
|
|
|
|
defp maybe_order(query, %{order: :desc}) do
|
|
query
|
|
|> order_by(desc: :id)
|
|
end
|
|
|
|
defp maybe_order(query, %{order: :asc}) do
|
|
query
|
|
|> order_by(asc: :id)
|
|
end
|
|
|
|
defp maybe_order(query, _), do: query
|
|
|
|
def fetch_activities_query(recipients, opts \\ %{}) do
|
|
base_query = from(activity in Activity)
|
|
|
|
config = %{
|
|
skip_thread_containment: Config.get([:instance, :skip_thread_containment])
|
|
}
|
|
|
|
base_query
|
|
|> maybe_preload_objects(opts)
|
|
|> maybe_preload_bookmarks(opts)
|
|
|> maybe_set_thread_muted_field(opts)
|
|
|> maybe_order(opts)
|
|
|> restrict_recipients(recipients, opts["user"])
|
|
|> restrict_tag(opts)
|
|
|> restrict_tag_reject(opts)
|
|
|> restrict_tag_all(opts)
|
|
|> restrict_since(opts)
|
|
|> restrict_local(opts)
|
|
|> restrict_actor(opts)
|
|
|> restrict_type(opts)
|
|
|> restrict_state(opts)
|
|
|> restrict_favorited_by(opts)
|
|
|> restrict_blocked(opts)
|
|
|> restrict_muted(opts)
|
|
|> restrict_media(opts)
|
|
|> restrict_visibility(opts)
|
|
|> restrict_thread_visibility(opts, config)
|
|
|> restrict_replies(opts)
|
|
|> restrict_reblogs(opts)
|
|
|> restrict_pinned(opts)
|
|
|> restrict_muted_reblogs(opts)
|
|
|> Activity.restrict_deactivated_users()
|
|
|> exclude_poll_votes(opts)
|
|
end
|
|
|
|
def fetch_activities(recipients, opts \\ %{}) do
|
|
fetch_activities_query(recipients, opts)
|
|
|> Pagination.fetch_paginated(opts)
|
|
|> Enum.reverse()
|
|
end
|
|
|
|
def fetch_activities_bounded_query(query, recipients, recipients_with_public) do
|
|
from(activity in query,
|
|
where:
|
|
fragment("? && ?", activity.recipients, ^recipients) or
|
|
(fragment("? && ?", activity.recipients, ^recipients_with_public) and
|
|
"https://www.w3.org/ns/activitystreams#Public" in activity.recipients)
|
|
)
|
|
end
|
|
|
|
def fetch_activities_bounded(recipients, recipients_with_public, opts \\ %{}) do
|
|
fetch_activities_query([], opts)
|
|
|> fetch_activities_bounded_query(recipients, recipients_with_public)
|
|
|> Pagination.fetch_paginated(opts)
|
|
|> Enum.reverse()
|
|
end
|
|
|
|
def upload(file, opts \\ []) do
|
|
with {:ok, data} <- Upload.store(file, opts) do
|
|
obj_data =
|
|
if opts[:actor] do
|
|
Map.put(data, "actor", opts[:actor])
|
|
else
|
|
data
|
|
end
|
|
|
|
Repo.insert(%Object{data: obj_data})
|
|
end
|
|
end
|
|
|
|
defp object_to_user_data(data) do
|
|
avatar =
|
|
data["icon"]["url"] &&
|
|
%{
|
|
"type" => "Image",
|
|
"url" => [%{"href" => data["icon"]["url"]}]
|
|
}
|
|
|
|
banner =
|
|
data["image"]["url"] &&
|
|
%{
|
|
"type" => "Image",
|
|
"url" => [%{"href" => data["image"]["url"]}]
|
|
}
|
|
|
|
locked = data["manuallyApprovesFollowers"] || false
|
|
data = Transmogrifier.maybe_fix_user_object(data)
|
|
|
|
user_data = %{
|
|
ap_id: data["id"],
|
|
info: %{
|
|
"ap_enabled" => true,
|
|
"source_data" => data,
|
|
"banner" => banner,
|
|
"locked" => locked
|
|
},
|
|
avatar: avatar,
|
|
name: data["name"],
|
|
follower_address: data["followers"],
|
|
bio: data["summary"]
|
|
}
|
|
|
|
# nickname can be nil because of virtual actors
|
|
user_data =
|
|
if data["preferredUsername"] do
|
|
Map.put(
|
|
user_data,
|
|
:nickname,
|
|
"#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
|
|
)
|
|
else
|
|
Map.put(user_data, :nickname, nil)
|
|
end
|
|
|
|
{:ok, user_data}
|
|
end
|
|
|
|
def user_data_from_user_object(data) do
|
|
with {:ok, data} <- MRF.filter(data),
|
|
{:ok, data} <- object_to_user_data(data) do
|
|
{:ok, data}
|
|
else
|
|
e -> {:error, e}
|
|
end
|
|
end
|
|
|
|
def fetch_and_prepare_user_from_ap_id(ap_id) do
|
|
with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
|
|
{:ok, data} <- user_data_from_user_object(data) do
|
|
{:ok, data}
|
|
else
|
|
e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
|
|
end
|
|
end
|
|
|
|
def make_user_from_ap_id(ap_id) do
|
|
if _user = User.get_cached_by_ap_id(ap_id) do
|
|
Transmogrifier.upgrade_user_from_ap_id(ap_id)
|
|
else
|
|
with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
|
|
User.insert_or_update_user(data)
|
|
else
|
|
e -> {:error, e}
|
|
end
|
|
end
|
|
end
|
|
|
|
def make_user_from_nickname(nickname) do
|
|
with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
|
|
make_user_from_ap_id(ap_id)
|
|
else
|
|
_e -> {:error, "No AP id in WebFinger"}
|
|
end
|
|
end
|
|
|
|
# filter out broken threads
|
|
def contain_broken_threads(%Activity{} = activity, %User{} = user) do
|
|
entire_thread_visible_for_user?(activity, user)
|
|
end
|
|
|
|
# do post-processing on a specific activity
|
|
def contain_activity(%Activity{} = activity, %User{} = user) do
|
|
contain_broken_threads(activity, user)
|
|
end
|
|
|
|
def fetch_direct_messages_query do
|
|
Activity
|
|
|> restrict_type(%{"type" => "Create"})
|
|
|> restrict_visibility(%{visibility: "direct"})
|
|
|> order_by([activity], asc: activity.id)
|
|
end
|
|
end
|