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diff --git a/lib/pleroma/search/search.ex b/lib/pleroma/search/search.ex
new file mode 100644
index 000000000..e363abf19
--- /dev/null
+++ b/lib/pleroma/search/search.ex
@@ -0,0 +1,18 @@
+defmodule Pleroma.Search do
+ def add_to_index(activity) do
+ search_module = Pleroma.Config.get([Pleroma.Search, :module])
+
+ ConcurrentLimiter.limit(Pleroma.Search, fn ->
+ Task.start(fn -> search_module.add_to_index(activity) end)
+ end)
+ end
+
+ def remove_from_index(object) do
+ # Also delete from search index
+ search_module = Pleroma.Config.get([Pleroma.Search, :module])
+
+ ConcurrentLimiter.limit(Pleroma.Search, fn ->
+ Task.start(fn -> search_module.remove_from_index(object) end)
+ end)
+ end
+end
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 615bee428..5f068cef0 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1,1752 +1,1749 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.ActivityPub do
alias Pleroma.Activity
alias Pleroma.Activity.Ir.Topics
alias Pleroma.Config
alias Pleroma.Constants
alias Pleroma.Conversation
alias Pleroma.Conversation.Participation
alias Pleroma.Filter
alias Pleroma.Hashtag
alias Pleroma.Maps
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Object.Containment
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.Streamer
alias Pleroma.Web.WebFinger
alias Pleroma.Workers.BackgroundWorker
alias Pleroma.Workers.PollWorker
import Ecto.Query
import Pleroma.Web.ActivityPub.Utils
import Pleroma.Web.ActivityPub.Visibility
require Logger
require Pleroma.Constants
@behaviour Pleroma.Web.ActivityPub.ActivityPub.Persisting
@behaviour Pleroma.Web.ActivityPub.ActivityPub.Streaming
defp get_recipients(%{"type" => "Create"} = data) do
to = Map.get(data, "to", [])
cc = Map.get(data, "cc", [])
bcc = Map.get(data, "bcc", [])
actor = Map.get(data, "actor", [])
recipients = [to, cc, bcc, [actor]] |> Enum.concat() |> Enum.uniq()
{recipients, to, cc}
end
defp get_recipients(data) do
to = Map.get(data, "to", [])
cc = Map.get(data, "cc", [])
bcc = Map.get(data, "bcc", [])
recipients = Enum.concat([to, cc, bcc])
{recipients, to, cc}
end
defp check_actor_can_insert(%{"type" => "Delete"}), do: true
defp check_actor_can_insert(%{"type" => "Undo"}), do: true
defp check_actor_can_insert(%{"actor" => actor}) when is_binary(actor) do
case User.get_cached_by_ap_id(actor) do
%User{is_active: true} -> true
_ -> false
end
end
defp check_actor_can_insert(_), do: true
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 update_last_status_at_if_public(actor, object) do
if is_public?(object), do: User.update_last_status_at(actor), else: {:ok, actor}
end
defp 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
defp increase_replies_count_if_reply(_create_data), do: :noop
@object_types ~w[ChatMessage Question Answer Audio Video Event Article Note Page]
@impl true
def persist(%{"type" => type} = object, meta) when type in @object_types do
with {:ok, object} <- Object.create(object) do
{:ok, object, meta}
end
end
@impl true
def persist(object, meta) do
with local <- Keyword.fetch!(meta, :local),
{recipients, _, _} <- get_recipients(object),
{:ok, activity} <-
Repo.insert(%Activity{
data: object,
local: local,
recipients: recipients,
actor: object["actor"]
}),
# TODO: add tests for expired activities, when Note type will be supported in new pipeline
{:ok, _} <- maybe_create_activity_expiration(activity) do
{:ok, activity, meta}
end
end
@spec insert(map(), boolean(), boolean(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
def insert(map, local \\ true, fake \\ false, bypass_actor_check \\ false) when is_map(map) do
with nil <- Activity.normalize(map),
map <- lazy_put_activity_defaults(map, fake),
{_, true} <- {:actor_check, bypass_actor_check || check_actor_can_insert(map)},
{_, true} <- {:remote_limit_pass, check_remote_limit(map)},
{:ok, map} <- MRF.filter(map),
{recipients, _, _} = get_recipients(map),
{:fake, false, map, recipients} <- {:fake, fake, map, recipients},
{:containment, :ok} <- {:containment, Containment.contain_child(map)},
{:ok, map, object} <- insert_full_object(map),
{:ok, activity} <- insert_activity_with_expiration(map, local, recipients) do
# Splice in the child object if we have one.
activity = Maps.put_if_present(activity, :object, object)
ConcurrentLimiter.limit(Pleroma.Web.RichMedia.Helpers, fn ->
Task.start(fn -> Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) end)
end)
- search_module = Pleroma.Config.get([Pleroma.Search, :module])
-
- ConcurrentLimiter.limit(Pleroma.Search, fn ->
- Task.start(fn -> search_module.add_to_index(activity) end)
- end)
+ # Add local posts to search index
+ Pleroma.Search.add_to_index(activity)
{:ok, activity}
else
%Activity{} = activity ->
{:ok, activity}
{:actor_check, _} ->
{:error, false}
{:containment, _} = error ->
error
{:error, _} = error ->
error
{: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}
{:remote_limit_pass, _} ->
{:error, :remote_limit}
{:reject, _} = e ->
{:error, e}
end
end
defp insert_activity_with_expiration(data, local, recipients) do
struct = %Activity{
data: data,
local: local,
actor: data["actor"],
recipients: recipients
}
with {:ok, activity} <- Repo.insert(struct) do
maybe_create_activity_expiration(activity)
end
end
def notify_and_stream(activity) do
Notification.create_notifications(activity)
conversation = create_or_bump_conversation(activity, activity.actor)
participations = get_participations(conversation)
stream_out(activity)
stream_out_participations(participations)
end
defp maybe_create_activity_expiration(
%{data: %{"expires_at" => %DateTime{} = expires_at}} = activity
) do
with {:ok, _job} <-
Pleroma.Workers.PurgeExpiredActivity.enqueue(%{
activity_id: activity.id,
expires_at: expires_at
}) do
{:ok, activity}
end
end
defp maybe_create_activity_expiration(activity), do: {:ok, activity}
defp create_or_bump_conversation(activity, actor) do
with {:ok, conversation} <- Conversation.create_or_bump_for(activity),
%User{} = user <- User.get_cached_by_ap_id(actor) do
Participation.mark_as_read(user, conversation)
{:ok, conversation}
end
end
defp get_participations({:ok, conversation}) do
conversation
|> Repo.preload(:participations, force: true)
|> Map.get(:participations)
end
defp get_participations(_), do: []
def stream_out_participations(participations) do
participations =
participations
|> Repo.preload(:user)
Streamer.stream("participation", participations)
end
@impl true
def stream_out_participations(%Object{data: %{"context" => context}}, user) do
with %Conversation{} = conversation <- Conversation.get_for_ap_id(context) do
conversation = Repo.preload(conversation, :participations)
last_activity_id =
fetch_latest_direct_activity_id_for_context(conversation.ap_id, %{
user: user,
blocking_user: user
})
if last_activity_id do
stream_out_participations(conversation.participations)
end
end
end
@impl true
def stream_out_participations(_, _), do: :noop
@impl true
def stream_out(%Activity{data: %{"type" => data_type}} = activity)
when data_type in ["Create", "Announce", "Delete"] do
activity
|> Topics.get_activity_topics()
|> Streamer.stream(activity)
end
@impl true
def stream_out(_activity) do
:noop
end
@spec create(map(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
def create(params, fake \\ false) do
with {:ok, result} <- Repo.transaction(fn -> do_create(params, fake) end) do
result
end
end
defp do_create(%{to: to, actor: actor, context: context, object: object} = params, fake) do
additional = params[:additional] || %{}
# only accept false as false value
local = !(params[:local] == false)
published = params[:published]
quick_insert? = Config.get([:env]) == :benchmark
create_data =
make_create_data(
%{to: to, actor: actor, published: published, context: context, object: object},
additional
)
with {:ok, activity} <- insert(create_data, local, fake),
{:fake, false, activity} <- {:fake, fake, activity},
_ <- increase_replies_count_if_reply(create_data),
{:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity},
{:ok, _actor} <- increase_note_count_if_public(actor, activity),
{:ok, _actor} <- update_last_status_at_if_public(actor, activity),
_ <- notify_and_stream(activity),
:ok <- maybe_schedule_poll_notifications(activity),
:ok <- maybe_federate(activity) do
{:ok, activity}
else
{:quick_insert, true, activity} ->
{:ok, activity}
{:fake, true, activity} ->
{:ok, activity}
{:error, message} ->
Repo.rollback(message)
end
end
defp maybe_schedule_poll_notifications(activity) do
PollWorker.schedule_poll_end(activity)
:ok
end
@spec listen(map()) :: {:ok, Activity.t()} | {:error, any()}
def listen(%{to: to, actor: actor, context: context, object: object} = params) do
additional = params[:additional] || %{}
# only accept false as false value
local = !(params[:local] == false)
published = params[:published]
listen_data =
make_listen_data(
%{to: to, actor: actor, published: published, context: context, object: object},
additional
)
with {:ok, activity} <- insert(listen_data, local),
_ <- notify_and_stream(activity),
:ok <- maybe_federate(activity) do
{:ok, activity}
end
end
@spec unfollow(User.t(), User.t(), String.t() | nil, boolean()) ::
{:ok, Activity.t()} | nil | {:error, any()}
def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
with {:ok, result} <-
Repo.transaction(fn -> do_unfollow(follower, followed, activity_id, local) end) do
result
end
end
defp do_unfollow(follower, followed, activity_id, local) 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),
_ <- notify_and_stream(activity),
:ok <- maybe_federate(activity) do
{:ok, activity}
else
nil -> nil
{:error, error} -> Repo.rollback(error)
end
end
@spec flag(map()) :: {:ok, Activity.t()} | {:error, any()}
def flag(params) do
with {:ok, result} <- Repo.transaction(fn -> do_flag(params) end) do
result
end
end
defp do_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] || %{}
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, stripped_activity} <- strip_report_status_data(activity),
_ <- notify_and_stream(activity),
:ok <-
maybe_federate(stripped_activity) do
User.all_superusers()
|> Enum.filter(fn user -> user.ap_id != actor end)
|> Enum.filter(fn user -> not is_nil(user.email) end)
|> Enum.each(fn superuser ->
superuser
|> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
|> Pleroma.Emails.Mailer.deliver_async()
end)
{:ok, activity}
else
{:error, error} -> Repo.rollback(error)
end
end
@spec move(User.t(), User.t(), boolean()) :: {:ok, Activity.t()} | {:error, any()}
def move(%User{} = origin, %User{} = target, local \\ true) do
params = %{
"type" => "Move",
"actor" => origin.ap_id,
"object" => origin.ap_id,
"target" => target.ap_id
}
with true <- origin.ap_id in target.also_known_as,
{:ok, activity} <- insert(params, local),
_ <- notify_and_stream(activity) do
maybe_federate(activity)
BackgroundWorker.enqueue("move_following", %{
"origin_id" => origin.id,
"target_id" => target.id
})
{:ok, activity}
else
false -> {:error, "Target account must have the origin in `alsoKnownAs`"}
err -> err
end
end
def fetch_activities_for_context_query(context, opts) do
public = [Constants.as_public()]
recipients =
if opts[:user],
do: [opts[:user].ap_id | User.following(opts[:user])] ++ public,
else: public
from(activity in Activity)
|> maybe_preload_objects(opts)
|> maybe_preload_bookmarks(opts)
|> maybe_set_thread_muted_field(opts)
|> restrict_blocked(opts)
|> restrict_blockers_visibility(opts)
|> restrict_recipients(recipients, opts[:user])
|> restrict_filtered(opts)
|> where(
[activity],
fragment(
"?->>'type' = ? and ?->>'context' = ?",
activity.data,
"Create",
activity.data,
^context
)
)
|> exclude_poll_votes(opts)
|> exclude_id(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_direct_activity_id_for_context(String.t(), keyword() | map()) ::
FlakeId.Ecto.CompatType.t() | nil
def fetch_latest_direct_activity_id_for_context(context, opts \\ %{}) do
context
|> fetch_activities_for_context_query(Map.merge(%{skip_preload: true}, opts))
|> restrict_visibility(%{visibility: "direct"})
|> limit(1)
|> select([a], a.id)
|> Repo.one()
end
defp fetch_paginated_optimized(query, opts, pagination) do
# Note: tag-filtering funcs may apply "ORDER BY objects.id DESC",
# and extra sorting on "activities.id DESC NULLS LAST" would worse the query plan
opts = Map.put(opts, :skip_extra_order, true)
Pagination.fetch_paginated(query, opts, pagination)
end
def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
list_memberships = Pleroma.List.memberships(opts[:user])
fetch_activities_query(recipients ++ list_memberships, opts)
|> fetch_paginated_optimized(opts, pagination)
|> Enum.reverse()
|> maybe_update_cc(list_memberships, opts[:user])
end
@spec fetch_public_or_unlisted_activities(map(), Pagination.type()) :: [Activity.t()]
def fetch_public_or_unlisted_activities(opts \\ %{}, pagination \\ :keyset) do
opts = Map.delete(opts, :user)
[Constants.as_public()]
|> fetch_activities_query(opts)
|> restrict_unlisted(opts)
|> fetch_paginated_optimized(opts, pagination)
end
@spec fetch_public_activities(map(), Pagination.type()) :: [Activity.t()]
def fetch_public_activities(opts \\ %{}, pagination \\ :keyset) do
opts
|> Map.put(:restrict_unlisted, true)
|> fetch_public_or_unlisted_activities(pagination)
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
from(
a in query,
where:
fragment(
"activity_visibility(?, ?, ?) = ANY (?)",
a.actor,
a.recipients,
a.data,
^visibility
)
)
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 exclude_visibility(query, %{exclude_visibilities: visibility})
when is_list(visibility) do
if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
from(
a in query,
where:
not fragment(
"activity_visibility(?, ?, ?) = ANY (?)",
a.actor,
a.recipients,
a.data,
^visibility
)
)
else
Logger.error("Could not exclude visibility to #{visibility}")
query
end
end
defp exclude_visibility(query, %{exclude_visibilities: visibility})
when visibility in @valid_visibilities do
from(
a in query,
where:
not fragment(
"activity_visibility(?, ?, ?) = ?",
a.actor,
a.recipients,
a.data,
^visibility
)
)
end
defp exclude_visibility(query, %{exclude_visibilities: visibility})
when visibility not in [nil | @valid_visibilities] do
Logger.error("Could not exclude visibility to #{visibility}")
query
end
defp exclude_visibility(query, _visibility), do: query
defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _),
do: query
defp restrict_thread_visibility(query, %{user: %User{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_abstract_activities(user, reading_user, params \\ %{}) do
params =
params
|> Map.put(:user, reading_user)
|> Map.put(:actor_id, user.ap_id)
%{
godmode: params[:godmode],
reading_user: reading_user
}
|> user_activities_recipients()
|> fetch_activities(params)
|> Enum.reverse()
end
def fetch_user_activities(user, reading_user, params \\ %{})
def fetch_user_activities(user, reading_user, %{total: true} = params) do
result = fetch_activities_for_user(user, reading_user, params)
Keyword.put(result, :items, Enum.reverse(result[:items]))
end
def fetch_user_activities(user, reading_user, params) do
user
|> fetch_activities_for_user(reading_user, params)
|> Enum.reverse()
end
defp fetch_activities_for_user(user, reading_user, params) do
params =
params
|> Map.put(:type, ["Create", "Announce"])
|> Map.put(:user, reading_user)
|> Map.put(:actor_id, user.ap_id)
|> Map.put(:pinned_object_ids, Map.keys(user.pinned_objects))
params =
if User.blocks?(reading_user, user) do
params
else
params
|> Map.put(:blocking_user, reading_user)
|> Map.put(:muting_user, reading_user)
end
pagination_type = Map.get(params, :pagination_type) || :keyset
%{
godmode: params[:godmode],
reading_user: reading_user
}
|> user_activities_recipients()
|> fetch_activities(params, pagination_type)
end
def fetch_statuses(reading_user, %{total: true} = params) do
result = fetch_activities_for_reading_user(reading_user, params)
Keyword.put(result, :items, Enum.reverse(result[:items]))
end
def fetch_statuses(reading_user, params) do
reading_user
|> fetch_activities_for_reading_user(params)
|> Enum.reverse()
end
defp fetch_activities_for_reading_user(reading_user, params) do
params = Map.put(params, :type, ["Create", "Announce"])
%{
godmode: params[:godmode],
reading_user: reading_user
}
|> user_activities_recipients()
|> fetch_activities(params, :offset)
end
defp user_activities_recipients(%{godmode: true}), do: []
defp user_activities_recipients(%{reading_user: reading_user}) do
if reading_user do
[Constants.as_public(), reading_user.ap_id | User.following(reading_user)]
else
[Constants.as_public()]
end
end
defp restrict_announce_object_actor(_query, %{announce_filtering_user: _, skip_preload: true}) do
raise "Can't use the child object without preloading!"
end
defp restrict_announce_object_actor(query, %{announce_filtering_user: %{ap_id: actor}}) do
from(
[activity, object] in query,
where:
fragment(
"?->>'type' != ? or ?->>'actor' != ?",
activity.data,
"Announce",
object.data,
^actor
)
)
end
defp restrict_announce_object_actor(query, _), do: query
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_embedded_tag_all(_query, %{tag_all: _tag_all, skip_preload: true}) do
raise_on_missing_preload()
end
defp restrict_embedded_tag_all(query, %{tag_all: [_ | _] = tag_all}) do
from(
[_activity, object] in query,
where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
)
end
defp restrict_embedded_tag_all(query, %{tag_all: tag}) when is_binary(tag) do
restrict_embedded_tag_any(query, %{tag: tag})
end
defp restrict_embedded_tag_all(query, _), do: query
defp restrict_embedded_tag_any(_query, %{tag: _tag, skip_preload: true}) do
raise_on_missing_preload()
end
defp restrict_embedded_tag_any(query, %{tag: [_ | _] = tag_any}) do
from(
[_activity, object] in query,
where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag_any)
)
end
defp restrict_embedded_tag_any(query, %{tag: tag}) when is_binary(tag) do
restrict_embedded_tag_any(query, %{tag: [tag]})
end
defp restrict_embedded_tag_any(query, _), do: query
defp restrict_embedded_tag_reject_any(_query, %{tag_reject: _tag_reject, skip_preload: true}) do
raise_on_missing_preload()
end
defp restrict_embedded_tag_reject_any(query, %{tag_reject: [_ | _] = tag_reject}) do
from(
[_activity, object] in query,
where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
)
end
defp restrict_embedded_tag_reject_any(query, %{tag_reject: tag_reject})
when is_binary(tag_reject) do
restrict_embedded_tag_reject_any(query, %{tag_reject: [tag_reject]})
end
defp restrict_embedded_tag_reject_any(query, _), do: query
defp object_ids_query_for_tags(tags) do
from(hto in "hashtags_objects")
|> join(:inner, [hto], ht in Pleroma.Hashtag, on: hto.hashtag_id == ht.id)
|> where([hto, ht], ht.name in ^tags)
|> select([hto], hto.object_id)
|> distinct([hto], true)
end
defp restrict_hashtag_all(_query, %{tag_all: _tag, skip_preload: true}) do
raise_on_missing_preload()
end
defp restrict_hashtag_all(query, %{tag_all: [single_tag]}) do
restrict_hashtag_any(query, %{tag: single_tag})
end
defp restrict_hashtag_all(query, %{tag_all: [_ | _] = tags}) do
from(
[_activity, object] in query,
where:
fragment(
"""
(SELECT array_agg(hashtags.name) FROM hashtags JOIN hashtags_objects
ON hashtags_objects.hashtag_id = hashtags.id WHERE hashtags.name = ANY(?)
AND hashtags_objects.object_id = ?) @> ?
""",
^tags,
object.id,
^tags
)
)
end
defp restrict_hashtag_all(query, %{tag_all: tag}) when is_binary(tag) do
restrict_hashtag_all(query, %{tag_all: [tag]})
end
defp restrict_hashtag_all(query, _), do: query
defp restrict_hashtag_any(_query, %{tag: _tag, skip_preload: true}) do
raise_on_missing_preload()
end
defp restrict_hashtag_any(query, %{tag: [_ | _] = tags}) do
hashtag_ids =
from(ht in Hashtag, where: ht.name in ^tags, select: ht.id)
|> Repo.all()
# Note: NO extra ordering should be done on "activities.id desc nulls last" for optimal plan
from(
[_activity, object] in query,
join: hto in "hashtags_objects",
on: hto.object_id == object.id,
where: hto.hashtag_id in ^hashtag_ids,
distinct: [desc: object.id],
order_by: [desc: object.id]
)
end
defp restrict_hashtag_any(query, %{tag: tag}) when is_binary(tag) do
restrict_hashtag_any(query, %{tag: [tag]})
end
defp restrict_hashtag_any(query, _), do: query
defp restrict_hashtag_reject_any(_query, %{tag_reject: _tag_reject, skip_preload: true}) do
raise_on_missing_preload()
end
defp restrict_hashtag_reject_any(query, %{tag_reject: [_ | _] = tags_reject}) do
from(
[_activity, object] in query,
where: object.id not in subquery(object_ids_query_for_tags(tags_reject))
)
end
defp restrict_hashtag_reject_any(query, %{tag_reject: tag_reject}) when is_binary(tag_reject) do
restrict_hashtag_reject_any(query, %{tag_reject: [tag_reject]})
end
defp restrict_hashtag_reject_any(query, _), do: query
defp raise_on_missing_preload do
raise "Can't use the child object without preloading!"
end
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_remote(query, %{remote: true}) do
from(activity in query, where: activity.local == false)
end
defp restrict_remote(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, object] in query,
where: fragment("(?)->'likes' \\? (?)", object.data, ^ap_id)
)
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: true}) do
from(
[activity, object] in query,
where: fragment("(?)->>'type' = ?", activity.data, "Create"),
where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
)
end
defp restrict_media(query, _), do: query
defp restrict_replies(query, %{exclude_replies: true}) do
from(
[_activity, object] in query,
where: fragment("?->>'inReplyTo' is null", object.data)
)
end
defp restrict_replies(query, %{
reply_filtering_user: %User{} = user,
reply_visibility: "self"
}) do
from(
[activity, object] in query,
where:
fragment(
"?->>'inReplyTo' is null OR ? = ANY(?)",
object.data,
^user.ap_id,
activity.recipients
)
)
end
defp restrict_replies(query, %{
reply_filtering_user: %User{} = user,
reply_visibility: "following"
}) do
from(
[activity, object] in query,
where:
fragment(
"""
?->>'type' != 'Create' -- This isn't a Create
OR ?->>'inReplyTo' is null -- this isn't a reply
OR ? && array_remove(?, ?) -- The recipient is us or one of our friends,
-- unless they are the author (because authors
-- are also part of the recipients). This leads
-- to a bug that self-replies by friends won't
-- show up.
OR ? = ? -- The actor is us
""",
activity.data,
object.data,
^[user.ap_id | User.get_cached_user_friends_ap_ids(user)],
activity.recipients,
activity.actor,
activity.actor,
^user.ap_id
)
)
end
defp restrict_replies(query, _), do: query
defp restrict_reblogs(query, %{exclude_reblogs: true}) do
from(activity in query, where: fragment("?->>'type' != 'Announce'", activity.data))
end
defp restrict_reblogs(query, _), do: query
defp restrict_muted(query, %{with_muted: true}), do: query
defp restrict_muted(query, %{muting_user: %User{} = user} = opts) do
mutes = opts[:muted_users_ap_ids] || User.muted_users_ap_ids(user)
query =
from([activity] in query,
where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
where:
fragment(
"not (?->'to' \\?| ?) or ? = ?",
activity.data,
^mutes,
activity.actor,
^user.ap_id
)
)
unless opts[:skip_preload] do
from([thread_mute: tm] in query, where: is_nil(tm.user_id))
else
query
end
end
defp restrict_muted(query, _), do: query
defp restrict_blocked(query, %{blocking_user: %User{} = user} = opts) do
blocked_ap_ids = opts[:blocked_users_ap_ids] || User.blocked_users_ap_ids(user)
domain_blocks = user.domain_blocks || []
following_ap_ids = User.get_friends_ap_ids(user)
query =
if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
from(
[activity, object: o] in query,
# You don't block the author
where: fragment("not (? = ANY(?))", activity.actor, ^blocked_ap_ids),
# You don't block any recipients, and didn't author the post
where:
fragment(
"((not (? && ?)) or ? = ?)",
activity.recipients,
^blocked_ap_ids,
activity.actor,
^user.ap_id
),
# You don't block the domain of any recipients, and didn't author the post
where:
fragment(
"(recipients_contain_blocked_domains(?, ?) = false) or ? = ?",
activity.recipients,
^domain_blocks,
activity.actor,
^user.ap_id
),
# It's not a boost of a user you block
where:
fragment(
"not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
activity.data,
activity.data,
^blocked_ap_ids
),
# You don't block the author's domain, and also don't follow the author
where:
fragment(
"(not (split_part(?, '/', 3) = ANY(?))) or ? = ANY(?)",
activity.actor,
^domain_blocks,
activity.actor,
^following_ap_ids
),
# Same as above, but checks the Object
where:
fragment(
"(not (split_part(?->>'actor', '/', 3) = ANY(?))) or (?->>'actor') = ANY(?)",
o.data,
^domain_blocks,
o.data,
^following_ap_ids
)
)
end
defp restrict_blocked(query, _), do: query
defp restrict_blockers_visibility(query, %{blocking_user: %User{} = user}) do
if Config.get([:activitypub, :blockers_visible]) == true do
query
else
blocker_ap_ids = User.incoming_relationships_ungrouped_ap_ids(user, [:block])
from(
activity in query,
# The author doesn't block you
where: fragment("not (? = ANY(?))", activity.actor, ^blocker_ap_ids),
# It's not a boost of a user that blocks you
where:
fragment(
"not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
activity.data,
activity.data,
^blocker_ap_ids
)
)
end
end
defp restrict_blockers_visibility(query, _), do: query
defp restrict_unlisted(query, %{restrict_unlisted: true}) do
from(
activity in query,
where:
fragment(
"not (coalesce(?->'cc', '{}'::jsonb) \\?| ?)",
activity.data,
^[Constants.as_public()]
)
)
end
defp restrict_unlisted(query, _), do: query
defp restrict_pinned(query, %{pinned: true, pinned_object_ids: ids}) do
from(
[activity, object: o] in query,
where:
fragment(
"(?)->>'type' = 'Create' and coalesce((?)->'object'->>'id', (?)->>'object') = any (?)",
activity.data,
activity.data,
activity.data,
^ids
)
)
end
defp restrict_pinned(query, _), do: query
defp restrict_muted_reblogs(query, %{muting_user: %User{} = user} = opts) do
muted_reblogs = opts[:reblog_muted_users_ap_ids] || User.reblog_muted_users_ap_ids(user)
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 restrict_instance(query, %{instance: instance}) when is_binary(instance) do
from(
activity in query,
where: fragment("split_part(actor::text, '/'::text, 3) = ?", ^instance)
)
end
defp restrict_instance(query, _), do: query
defp restrict_filtered(query, %{user: %User{} = user}) do
case Filter.compose_regex(user) do
nil ->
query
regex ->
from([activity, object] in query,
where:
fragment("not(?->>'content' ~* ?)", object.data, ^regex) or
activity.actor == ^user.ap_id
)
end
end
defp restrict_filtered(query, %{blocking_user: %User{} = user}) do
restrict_filtered(query, %{user: user})
end
defp restrict_filtered(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 exclude_chat_messages(query, %{include_chat_messages: true}), do: query
defp exclude_chat_messages(query, _) do
if has_named_binding?(query, :object) do
from([activity, object: o] in query,
where: fragment("not(?->>'type' = ?)", o.data, "ChatMessage")
)
else
query
end
end
defp exclude_invisible_actors(query, %{invisible_actors: true}), do: query
defp exclude_invisible_actors(query, _opts) do
invisible_ap_ids =
User.Query.build(%{invisible: true, select: [:ap_id]})
|> Repo.all()
|> Enum.map(fn %{ap_id: ap_id} -> ap_id end)
from([activity] in query, where: activity.actor not in ^invisible_ap_ids)
end
defp exclude_id(query, %{exclude_id: id}) when is_binary(id) do
from(activity in query, where: activity.id != ^id)
end
defp exclude_id(query, _), do: query
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_preload_report_notes(query, %{preload_report_notes: true}) do
query
|> Activity.with_preloaded_report_notes()
end
defp maybe_preload_report_notes(query, _), do: query
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[:muting_user] || 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
defp normalize_fetch_activities_query_opts(opts) do
Enum.reduce([:tag, :tag_all, :tag_reject], opts, fn key, opts ->
case opts[key] do
value when is_bitstring(value) ->
Map.put(opts, key, Hashtag.normalize_name(value))
value when is_list(value) ->
normalized_value =
value
|> Enum.map(&Hashtag.normalize_name/1)
|> Enum.uniq()
Map.put(opts, key, normalized_value)
_ ->
opts
end
end)
end
defp fetch_activities_query_ap_ids_ops(opts) do
source_user = opts[:muting_user]
ap_id_relationships = if source_user, do: [:mute, :reblog_mute], else: []
ap_id_relationships =
if opts[:blocking_user] && opts[:blocking_user] == source_user do
[:block | ap_id_relationships]
else
ap_id_relationships
end
preloaded_ap_ids = User.outgoing_relationships_ap_ids(source_user, ap_id_relationships)
restrict_blocked_opts = Map.merge(%{blocked_users_ap_ids: preloaded_ap_ids[:block]}, opts)
restrict_muted_opts = Map.merge(%{muted_users_ap_ids: preloaded_ap_ids[:mute]}, opts)
restrict_muted_reblogs_opts =
Map.merge(%{reblog_muted_users_ap_ids: preloaded_ap_ids[:reblog_mute]}, opts)
{restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts}
end
def fetch_activities_query(recipients, opts \\ %{}) do
opts = normalize_fetch_activities_query_opts(opts)
{restrict_blocked_opts, restrict_muted_opts, restrict_muted_reblogs_opts} =
fetch_activities_query_ap_ids_ops(opts)
config = %{
skip_thread_containment: Config.get([:instance, :skip_thread_containment])
}
query =
Activity
|> maybe_preload_objects(opts)
|> maybe_preload_bookmarks(opts)
|> maybe_preload_report_notes(opts)
|> maybe_set_thread_muted_field(opts)
|> maybe_order(opts)
|> restrict_recipients(recipients, opts[:user])
|> restrict_replies(opts)
|> restrict_since(opts)
|> restrict_local(opts)
|> restrict_remote(opts)
|> restrict_actor(opts)
|> restrict_type(opts)
|> restrict_state(opts)
|> restrict_favorited_by(opts)
|> restrict_blocked(restrict_blocked_opts)
|> restrict_blockers_visibility(opts)
|> restrict_muted(restrict_muted_opts)
|> restrict_filtered(opts)
|> restrict_media(opts)
|> restrict_visibility(opts)
|> restrict_thread_visibility(opts, config)
|> restrict_reblogs(opts)
|> restrict_pinned(opts)
|> restrict_muted_reblogs(restrict_muted_reblogs_opts)
|> restrict_instance(opts)
|> restrict_announce_object_actor(opts)
|> restrict_filtered(opts)
|> Activity.restrict_deactivated_users()
|> exclude_poll_votes(opts)
|> exclude_chat_messages(opts)
|> exclude_invisible_actors(opts)
|> exclude_visibility(opts)
if Config.feature_enabled?(:improved_hashtag_timeline) do
query
|> restrict_hashtag_any(opts)
|> restrict_hashtag_all(opts)
|> restrict_hashtag_reject_any(opts)
else
query
|> restrict_embedded_tag_any(opts)
|> restrict_embedded_tag_all(opts)
|> restrict_embedded_tag_reject_any(opts)
end
end
@doc """
Fetch favorites activities of user with order by sort adds to favorites
"""
@spec fetch_favourites(User.t(), map(), Pagination.type()) :: list(Activity.t())
def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
user.ap_id
|> Activity.Queries.by_actor()
|> Activity.Queries.by_type("Like")
|> Activity.with_joined_object()
|> Object.with_joined_activity()
|> select([like, object, activity], %{activity | object: object, pagination_id: like.id})
|> order_by([like, _, _], desc_nulls_last: like.id)
|> Pagination.fetch_paginated(
Map.merge(params, %{skip_order: true}),
pagination
)
end
defp maybe_update_cc(activities, [_ | _] = list_memberships, %User{ap_id: user_ap_id}) do
Enum.map(activities, fn
%{data: %{"bcc" => [_ | _] = bcc}} = activity ->
if Enum.any?(bcc, &(&1 in list_memberships)) do
update_in(activity.data["cc"], &[user_ap_id | &1])
else
activity
end
activity ->
activity
end)
end
defp maybe_update_cc(activities, _, _), do: activities
defp 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
^Constants.as_public() in activity.recipients)
)
end
def fetch_activities_bounded(
recipients,
recipients_with_public,
opts \\ %{},
pagination \\ :keyset
) do
fetch_activities_query([], opts)
|> fetch_activities_bounded_query(recipients, recipients_with_public)
|> Pagination.fetch_paginated(opts, pagination)
|> Enum.reverse()
end
@spec upload(Upload.source(), keyword()) :: {:ok, Object.t()} | {:error, any()}
def upload(file, opts \\ []) do
with {:ok, data} <- Upload.store(file, opts) do
obj_data = Maps.put_if_present(data, "actor", opts[:actor])
Repo.insert(%Object{data: obj_data})
end
end
@spec get_actor_url(any()) :: binary() | nil
defp get_actor_url(url) when is_binary(url), do: url
defp get_actor_url(%{"href" => href}) when is_binary(href), do: href
defp get_actor_url(url) when is_list(url) do
url
|> List.first()
|> get_actor_url()
end
defp get_actor_url(_url), do: nil
defp normalize_image(%{"url" => url}) do
%{
"type" => "Image",
"url" => [%{"href" => url}]
}
end
defp normalize_image(urls) when is_list(urls), do: urls |> List.first() |> normalize_image()
defp normalize_image(_), do: nil
defp object_to_user_data(data) do
fields =
data
|> Map.get("attachment", [])
|> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
|> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
emojis =
data
|> Map.get("tag", [])
|> Enum.filter(fn
%{"type" => "Emoji"} -> true
_ -> false
end)
|> Map.new(fn %{"icon" => %{"url" => url}, "name" => name} ->
{String.trim(name, ":"), url}
end)
is_locked = data["manuallyApprovesFollowers"] || false
capabilities = data["capabilities"] || %{}
accepts_chat_messages = capabilities["acceptsChatMessages"]
data = Transmogrifier.maybe_fix_user_object(data)
is_discoverable = data["discoverable"] || false
invisible = data["invisible"] || false
actor_type = data["type"] || "Person"
featured_address = data["featured"]
{:ok, pinned_objects} = fetch_and_prepare_featured_from_ap_id(featured_address)
public_key =
if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
data["publicKey"]["publicKeyPem"]
else
nil
end
shared_inbox =
if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
data["endpoints"]["sharedInbox"]
else
nil
end
user_data = %{
ap_id: data["id"],
uri: get_actor_url(data["url"]),
ap_enabled: true,
banner: normalize_image(data["image"]),
fields: fields,
emoji: emojis,
is_locked: is_locked,
is_discoverable: is_discoverable,
invisible: invisible,
avatar: normalize_image(data["icon"]),
name: data["name"],
follower_address: data["followers"],
following_address: data["following"],
featured_address: featured_address,
bio: data["summary"] || "",
actor_type: actor_type,
also_known_as: Map.get(data, "alsoKnownAs", []),
public_key: public_key,
inbox: data["inbox"],
shared_inbox: shared_inbox,
accepts_chat_messages: accepts_chat_messages,
pinned_objects: pinned_objects
}
# nickname can be nil because of virtual actors
if data["preferredUsername"] do
Map.put(
user_data,
:nickname,
"#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
)
else
Map.put(user_data, :nickname, nil)
end
end
def fetch_follow_information_for_user(user) do
with {:ok, following_data} <-
Fetcher.fetch_and_contain_remote_object_from_id(user.following_address),
{:ok, hide_follows} <- collection_private(following_data),
{:ok, followers_data} <-
Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address),
{:ok, hide_followers} <- collection_private(followers_data) do
{:ok,
%{
hide_follows: hide_follows,
follower_count: normalize_counter(followers_data["totalItems"]),
following_count: normalize_counter(following_data["totalItems"]),
hide_followers: hide_followers
}}
else
{:error, _} = e -> e
e -> {:error, e}
end
end
defp normalize_counter(counter) when is_integer(counter), do: counter
defp normalize_counter(_), do: 0
def maybe_update_follow_information(user_data) do
with {:enabled, true} <- {:enabled, Config.get([:instance, :external_user_synchronization])},
{_, true} <- {:user_type_check, user_data[:type] in ["Person", "Service"]},
{_, true} <-
{:collections_available,
!!(user_data[:following_address] && user_data[:follower_address])},
{:ok, info} <-
fetch_follow_information_for_user(user_data) do
info = Map.merge(user_data[:info] || %{}, info)
user_data
|> Map.put(:info, info)
else
{:user_type_check, false} ->
user_data
{:collections_available, false} ->
user_data
{:enabled, false} ->
user_data
e ->
Logger.error(
"Follower/Following counter update for #{user_data.ap_id} failed.\n" <> inspect(e)
)
user_data
end
end
defp collection_private(%{"first" => %{"type" => type}})
when type in ["CollectionPage", "OrderedCollectionPage"],
do: {:ok, false}
defp collection_private(%{"first" => first}) do
with {:ok, %{"type" => type}} when type in ["CollectionPage", "OrderedCollectionPage"] <-
Fetcher.fetch_and_contain_remote_object_from_id(first) do
{:ok, false}
else
{:error, {:ok, %{status: code}}} when code in [401, 403] -> {:ok, true}
{:error, _} = e -> e
e -> {:error, e}
end
end
defp collection_private(_data), do: {:ok, true}
def user_data_from_user_object(data) do
with {:ok, data} <- MRF.filter(data) do
{:ok, object_to_user_data(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, maybe_update_follow_information(data)}
else
# If this has been deleted, only log a debug and not an error
{:error, "Object has been deleted" = e} ->
Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
{:error, e}
{:error, {:reject, reason} = e} ->
Logger.info("Rejected user #{ap_id}: #{inspect(reason)}")
{:error, e}
{:error, e} ->
Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
{:error, e}
end
end
def maybe_handle_clashing_nickname(data) do
with nickname when is_binary(nickname) <- data[:nickname],
%User{} = old_user <- User.get_by_nickname(nickname),
{_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
Logger.info(
"Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{data[:ap_id]}, renaming."
)
old_user
|> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"})
|> User.update_and_set_cache()
else
{:ap_id_comparison, true} ->
Logger.info(
"Found an old user for #{data[:nickname]}, but the ap id #{data[:ap_id]} is the same as the new user. Race condition? Not changing anything."
)
_ ->
nil
end
end
def pin_data_from_featured_collection(%{
"type" => type,
"orderedItems" => objects
})
when type in ["OrderedCollection", "Collection"] do
Map.new(objects, fn %{"id" => object_ap_id} -> {object_ap_id, NaiveDateTime.utc_now()} end)
end
def fetch_and_prepare_featured_from_ap_id(nil) do
{:ok, %{}}
end
def fetch_and_prepare_featured_from_ap_id(ap_id) do
with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id) do
{:ok, pin_data_from_featured_collection(data)}
else
e ->
Logger.error("Could not decode featured collection at fetch #{ap_id}, #{inspect(e)}")
{:ok, %{}}
end
end
def pinned_fetch_task(nil), do: nil
def pinned_fetch_task(%{pinned_objects: pins}) do
if Enum.all?(pins, fn {ap_id, _} ->
Object.get_cached_by_ap_id(ap_id) ||
match?({:ok, _object}, Fetcher.fetch_object_from_id(ap_id))
end) do
:ok
else
:error
end
end
def make_user_from_ap_id(ap_id) do
user = User.get_cached_by_ap_id(ap_id)
if user && !User.ap_enabled?(user) do
Transmogrifier.upgrade_user_from_ap_id(ap_id)
else
with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
{:ok, _pid} = Task.start(fn -> pinned_fetch_task(data) end)
if user do
user
|> User.remote_user_changeset(data)
|> User.update_and_set_cache()
else
maybe_handle_clashing_nickname(data)
data
|> User.remote_user_changeset()
|> Repo.insert()
|> User.set_cache()
end
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
defp 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
diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex
index 9c2f89e72..98911f28f 100644
--- a/lib/pleroma/web/activity_pub/side_effects.ex
+++ b/lib/pleroma/web/activity_pub/side_effects.ex
@@ -1,563 +1,570 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.SideEffects do
@moduledoc """
This module looks at an inserted object and executes the side effects that it
implies. For example, a `Like` activity will increase the like count on the
liked object, a `Follow` activity will add the user to the follower
collection, and so on.
"""
alias Pleroma.Activity
alias Pleroma.Chat
alias Pleroma.Chat.MessageReference
alias Pleroma.FollowingRelationship
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Builder
alias Pleroma.Web.ActivityPub.Pipeline
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.Push
alias Pleroma.Web.Streamer
alias Pleroma.Workers.PollWorker
require Logger
@cachex Pleroma.Config.get([:cachex, :provider], Cachex)
@logger Pleroma.Config.get([:side_effects, :logger], Logger)
@behaviour Pleroma.Web.ActivityPub.SideEffects.Handling
defp ap_streamer, do: Pleroma.Config.get([:side_effects, :ap_streamer], ActivityPub)
@impl true
def handle(object, meta \\ [])
# Task this handles
# - Follows
# - Sends a notification
@impl true
def handle(
%{
data: %{
"actor" => actor,
"type" => "Accept",
"object" => follow_activity_id
}
} = object,
meta
) do
with %Activity{actor: follower_id} = follow_activity <-
Activity.get_by_ap_id(follow_activity_id),
%User{} = followed <- User.get_cached_by_ap_id(actor),
%User{} = follower <- User.get_cached_by_ap_id(follower_id),
{:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
{:ok, _follower, followed} <-
FollowingRelationship.update(follower, followed, :follow_accept) do
Notification.update_notification_type(followed, follow_activity)
end
{:ok, object, meta}
end
# Task this handles
# - Rejects all existing follow activities for this person
# - Updates the follow state
# - Dismisses notification
@impl true
def handle(
%{
data: %{
"actor" => actor,
"type" => "Reject",
"object" => follow_activity_id
}
} = object,
meta
) do
with %Activity{actor: follower_id} = follow_activity <-
Activity.get_by_ap_id(follow_activity_id),
%User{} = followed <- User.get_cached_by_ap_id(actor),
%User{} = follower <- User.get_cached_by_ap_id(follower_id),
{:ok, _follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject") do
FollowingRelationship.update(follower, followed, :follow_reject)
Notification.dismiss(follow_activity)
end
{:ok, object, meta}
end
# Tasks this handle
# - Follows if possible
# - Sends a notification
# - Generates accept or reject if appropriate
@impl true
def handle(
%{
data: %{
"id" => follow_id,
"type" => "Follow",
"object" => followed_user,
"actor" => following_user
}
} = object,
meta
) do
with %User{} = follower <- User.get_cached_by_ap_id(following_user),
%User{} = followed <- User.get_cached_by_ap_id(followed_user),
{_, {:ok, _, _}, _, _} <-
{:following, User.follow(follower, followed, :follow_pending), follower, followed} do
if followed.local && !followed.is_locked do
{:ok, accept_data, _} = Builder.accept(followed, object)
{:ok, _activity, _} = Pipeline.common_pipeline(accept_data, local: true)
end
else
{:following, {:error, _}, _follower, followed} ->
{:ok, reject_data, _} = Builder.reject(followed, object)
{:ok, _activity, _} = Pipeline.common_pipeline(reject_data, local: true)
_ ->
nil
end
{:ok, notifications} = Notification.create_notifications(object, do_send: false)
meta =
meta
|> add_notifications(notifications)
updated_object = Activity.get_by_ap_id(follow_id)
{:ok, updated_object, meta}
end
# Tasks this handles:
# - Unfollow and block
@impl true
def handle(
%{data: %{"type" => "Block", "object" => blocked_user, "actor" => blocking_user}} =
object,
meta
) do
with %User{} = blocker <- User.get_cached_by_ap_id(blocking_user),
%User{} = blocked <- User.get_cached_by_ap_id(blocked_user) do
User.block(blocker, blocked)
end
{:ok, object, meta}
end
# Tasks this handles:
# - Update the user
#
# For a local user, we also get a changeset with the full information, so we
# can update non-federating, non-activitypub settings as well.
@impl true
def handle(%{data: %{"type" => "Update", "object" => updated_object}} = object, meta) do
if changeset = Keyword.get(meta, :user_update_changeset) do
changeset
|> User.update_and_set_cache()
else
{:ok, new_user_data} = ActivityPub.user_data_from_user_object(updated_object)
User.get_by_ap_id(updated_object["id"])
|> User.remote_user_changeset(new_user_data)
|> User.update_and_set_cache()
end
{:ok, object, meta}
end
# Tasks this handles:
# - Add like to object
# - Set up notification
@impl true
def handle(%{data: %{"type" => "Like"}} = object, meta) do
liked_object = Object.get_by_ap_id(object.data["object"])
Utils.add_like_to_object(object, liked_object)
Notification.create_notifications(object)
{:ok, object, meta}
end
# Tasks this handles
# - Actually create object
# - Rollback if we couldn't create it
# - Increase the user note count
# - Increase the reply count
# - Increase replies count
# - Set up ActivityExpiration
# - Set up notifications
+ # - Index incoming posts for search (if needed)
@impl true
def handle(%{data: %{"type" => "Create"}} = activity, meta) do
with {:ok, object, meta} <- handle_object_creation(meta[:object_data], activity, meta),
%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
{:ok, notifications} = Notification.create_notifications(activity, do_send: false)
{:ok, _user} = ActivityPub.increase_note_count_if_public(user, object)
{:ok, _user} = ActivityPub.update_last_status_at_if_public(user, object)
if in_reply_to = object.data["type"] != "Answer" && object.data["inReplyTo"] do
Object.increase_replies_count(in_reply_to)
end
reply_depth = (meta[:depth] || 0) + 1
# FIXME: Force inReplyTo to replies
if Pleroma.Web.Federator.allowed_thread_distance?(reply_depth) and
object.data["replies"] != nil do
for reply_id <- object.data["replies"] do
Pleroma.Workers.RemoteFetcherWorker.enqueue("fetch_remote", %{
"id" => reply_id,
"depth" => reply_depth
})
end
end
ConcurrentLimiter.limit(Pleroma.Web.RichMedia.Helpers, fn ->
Task.start(fn -> Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) end)
end)
+ Pleroma.Search.add_to_index(Map.put(activity, :object, object))
+
meta =
meta
|> add_notifications(notifications)
ap_streamer().stream_out(activity)
{:ok, activity, meta}
else
e -> Repo.rollback(e)
end
end
# Tasks this handles:
# - Add announce to object
# - Set up notification
# - Stream out the announce
@impl true
def handle(%{data: %{"type" => "Announce"}} = object, meta) do
announced_object = Object.get_by_ap_id(object.data["object"])
user = User.get_cached_by_ap_id(object.data["actor"])
Utils.add_announce_to_object(object, announced_object)
if !User.is_internal_user?(user) do
Notification.create_notifications(object)
ap_streamer().stream_out(object)
end
{:ok, object, meta}
end
@impl true
def handle(%{data: %{"type" => "Undo", "object" => undone_object}} = object, meta) do
with undone_object <- Activity.get_by_ap_id(undone_object),
:ok <- handle_undoing(undone_object) do
{:ok, object, meta}
end
end
# Tasks this handles:
# - Add reaction to object
# - Set up notification
@impl true
def handle(%{data: %{"type" => "EmojiReact"}} = object, meta) do
reacted_object = Object.get_by_ap_id(object.data["object"])
Utils.add_emoji_reaction_to_object(object, reacted_object)
Notification.create_notifications(object)
{:ok, object, meta}
end
# Tasks this handles:
# - Delete and unpins the create activity
# - Replace object with Tombstone
# - Set up notification
# - Reduce the user note count
# - Reduce the reply count
# - Stream out the activity
+ # - Removes posts from search index (if needed)
@impl true
def handle(%{data: %{"type" => "Delete", "object" => deleted_object}} = object, meta) do
deleted_object =
Object.normalize(deleted_object, fetch: false) ||
User.get_cached_by_ap_id(deleted_object)
result =
case deleted_object do
%Object{} ->
with {:ok, deleted_object, _activity} <- Object.delete(deleted_object),
{_, actor} when is_binary(actor) <- {:actor, deleted_object.data["actor"]},
%User{} = user <- User.get_cached_by_ap_id(actor) do
User.remove_pinned_object_id(user, deleted_object.data["id"])
{:ok, user} = ActivityPub.decrease_note_count_if_public(user, deleted_object)
if in_reply_to = deleted_object.data["inReplyTo"] do
Object.decrease_replies_count(in_reply_to)
end
MessageReference.delete_for_object(deleted_object)
ap_streamer().stream_out(object)
ap_streamer().stream_out_participations(deleted_object, user)
:ok
else
{:actor, _} ->
@logger.error("The object doesn't have an actor: #{inspect(deleted_object)}")
:no_object_actor
end
%User{} ->
with {:ok, _} <- User.delete(deleted_object) do
:ok
end
end
if result == :ok do
Notification.create_notifications(object)
+
+ Pleroma.Search.remove_from_index(object)
+
{:ok, object, meta}
else
{:error, result}
end
end
# Tasks this handles:
# - adds pin to user
# - removes expiration job for pinned activity, if was set for expiration
@impl true
def handle(%{data: %{"type" => "Add"} = data} = object, meta) do
with %User{} = user <- User.get_cached_by_ap_id(data["actor"]),
{:ok, _user} <- User.add_pinned_object_id(user, data["object"]) do
# if pinned activity was scheduled for deletion, we remove job
if expiration = Pleroma.Workers.PurgeExpiredActivity.get_expiration(meta[:activity_id]) do
Oban.cancel_job(expiration.id)
end
{:ok, object, meta}
else
nil ->
{:error, :user_not_found}
{:error, changeset} ->
if changeset.errors[:pinned_objects] do
{:error, :pinned_statuses_limit_reached}
else
changeset.errors
end
end
end
# Tasks this handles:
# - removes pin from user
# - removes corresponding Add activity
# - if activity had expiration, recreates activity expiration job
@impl true
def handle(%{data: %{"type" => "Remove"} = data} = object, meta) do
with %User{} = user <- User.get_cached_by_ap_id(data["actor"]),
{:ok, _user} <- User.remove_pinned_object_id(user, data["object"]) do
data["object"]
|> Activity.add_by_params_query(user.ap_id, user.featured_address)
|> Repo.delete_all()
# if pinned activity was scheduled for deletion, we reschedule it for deletion
if meta[:expires_at] do
# MRF.ActivityExpirationPolicy used UTC timestamps for expires_at in original implementation
{:ok, expires_at} =
Pleroma.EctoType.ActivityPub.ObjectValidators.DateTime.cast(meta[:expires_at])
Pleroma.Workers.PurgeExpiredActivity.enqueue(%{
activity_id: meta[:activity_id],
expires_at: expires_at
})
end
{:ok, object, meta}
else
nil -> {:error, :user_not_found}
error -> error
end
end
# Nothing to do
@impl true
def handle(object, meta) do
{:ok, object, meta}
end
def handle_object_creation(%{"type" => "ChatMessage"} = object, _activity, meta) do
with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do
actor = User.get_cached_by_ap_id(object.data["actor"])
recipient = User.get_cached_by_ap_id(hd(object.data["to"]))
streamables =
[[actor, recipient], [recipient, actor]]
|> Enum.uniq()
|> Enum.map(fn [user, other_user] ->
if user.local do
{:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id)
{:ok, cm_ref} = MessageReference.create(chat, object, user.ap_id != actor.ap_id)
@cachex.put(
:chat_message_id_idempotency_key_cache,
cm_ref.id,
meta[:idempotency_key]
)
{
["user", "user:pleroma_chat"],
{user, %{cm_ref | chat: chat, object: object}}
}
end
end)
|> Enum.filter(& &1)
meta =
meta
|> add_streamables(streamables)
{:ok, object, meta}
end
end
def handle_object_creation(%{"type" => "Question"} = object, activity, meta) do
with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do
PollWorker.schedule_poll_end(activity)
{:ok, object, meta}
end
end
def handle_object_creation(%{"type" => "Answer"} = object_map, _activity, meta) do
with {:ok, object, meta} <- Pipeline.common_pipeline(object_map, meta) do
Object.increase_vote_count(
object.data["inReplyTo"],
object.data["name"],
object.data["actor"]
)
{:ok, object, meta}
end
end
def handle_object_creation(%{"type" => objtype} = object, _activity, meta)
when objtype in ~w[Audio Video Event Article Note Page] do
with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do
{:ok, object, meta}
end
end
# Nothing to do
def handle_object_creation(object, _activity, meta) do
{:ok, object, meta}
end
defp undo_like(nil, object), do: delete_object(object)
defp undo_like(%Object{} = liked_object, object) do
with {:ok, _} <- Utils.remove_like_from_object(object, liked_object) do
delete_object(object)
end
end
def handle_undoing(%{data: %{"type" => "Like"}} = object) do
object.data["object"]
|> Object.get_by_ap_id()
|> undo_like(object)
end
def handle_undoing(%{data: %{"type" => "EmojiReact"}} = object) do
with %Object{} = reacted_object <- Object.get_by_ap_id(object.data["object"]),
{:ok, _} <- Utils.remove_emoji_reaction_from_object(object, reacted_object),
{:ok, _} <- Repo.delete(object) do
:ok
end
end
def handle_undoing(%{data: %{"type" => "Announce"}} = object) do
with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]),
{:ok, _} <- Utils.remove_announce_from_object(object, liked_object),
{:ok, _} <- Repo.delete(object) do
:ok
end
end
def handle_undoing(
%{data: %{"type" => "Block", "actor" => blocker, "object" => blocked}} = object
) do
with %User{} = blocker <- User.get_cached_by_ap_id(blocker),
%User{} = blocked <- User.get_cached_by_ap_id(blocked),
{:ok, _} <- User.unblock(blocker, blocked),
{:ok, _} <- Repo.delete(object) do
:ok
end
end
def handle_undoing(object), do: {:error, ["don't know how to handle", object]}
@spec delete_object(Object.t()) :: :ok | {:error, Ecto.Changeset.t()}
defp delete_object(object) do
with {:ok, _} <- Repo.delete(object), do: :ok
end
defp send_notifications(meta) do
Keyword.get(meta, :notifications, [])
|> Enum.each(fn notification ->
Streamer.stream(["user", "user:notification"], notification)
Push.send(notification)
end)
meta
end
defp send_streamables(meta) do
Keyword.get(meta, :streamables, [])
|> Enum.each(fn {topics, items} ->
Streamer.stream(topics, items)
end)
meta
end
defp add_streamables(meta, streamables) do
existing = Keyword.get(meta, :streamables, [])
meta
|> Keyword.put(:streamables, streamables ++ existing)
end
defp add_notifications(meta, notifications) do
existing = Keyword.get(meta, :notifications, [])
meta
|> Keyword.put(:notifications, notifications ++ existing)
end
@impl true
def handle_after_transaction(%Pleroma.Activity{data: %{"type" => "Create"}} = activity) do
Pleroma.Elasticsearch.put_by_id(:activity, activity.id)
end
def handle_after_transaction(%Pleroma.Activity{
data: %{"type" => "Delete", "deleted_activity_id" => id}
}) do
Pleroma.Elasticsearch.delete_by_id(:activity, id)
end
def handle_after_transaction(%Pleroma.Activity{}) do
:ok
end
def handle_after_transaction(%Pleroma.Object{}) do
:ok
end
def handle_after_transaction(meta) do
meta
|> send_notifications()
|> send_streamables()
end
end
diff --git a/lib/pleroma/web/common_api.ex b/lib/pleroma/web/common_api.ex
index 0b7be42e0..b4887d424 100644
--- a/lib/pleroma/web/common_api.ex
+++ b/lib/pleroma/web/common_api.ex
@@ -1,612 +1,608 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.CommonAPI do
alias Pleroma.Activity
alias Pleroma.Conversation.Participation
alias Pleroma.Formatter
alias Pleroma.Object
alias Pleroma.ThreadMute
alias Pleroma.User
alias Pleroma.UserRelationship
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Builder
alias Pleroma.Web.ActivityPub.Pipeline
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.CommonAPI.ActivityDraft
import Pleroma.Web.Gettext
import Pleroma.Web.CommonAPI.Utils
require Pleroma.Constants
require Logger
def block(blocker, blocked) do
with {:ok, block_data, _} <- Builder.block(blocker, blocked),
{:ok, block, _} <- Pipeline.common_pipeline(block_data, local: true) do
{:ok, block}
end
end
def post_chat_message(%User{} = user, %User{} = recipient, content, opts \\ []) do
with maybe_attachment <- opts[:media_id] && Object.get_by_id(opts[:media_id]),
:ok <- validate_chat_content_length(content, !!maybe_attachment),
{_, {:ok, chat_message_data, _meta}} <-
{:build_object,
Builder.chat_message(
user,
recipient.ap_id,
content |> format_chat_content,
attachment: maybe_attachment
)},
{_, {:ok, create_activity_data, _meta}} <-
{:build_create_activity, Builder.create(user, chat_message_data, [recipient.ap_id])},
{_, {:ok, %Activity{} = activity, _meta}} <-
{:common_pipeline,
Pipeline.common_pipeline(create_activity_data,
local: true,
idempotency_key: opts[:idempotency_key]
)} do
{:ok, activity}
else
{:common_pipeline, {:reject, _} = e} -> e
e -> e
end
end
defp format_chat_content(nil), do: nil
defp format_chat_content(content) do
{text, _, _} =
content
|> Formatter.html_escape("text/plain")
|> Formatter.linkify()
|> (fn {text, mentions, tags} ->
{String.replace(text, ~r/\r?\n/, "<br>"), mentions, tags}
end).()
text
end
defp validate_chat_content_length(_, true), do: :ok
defp validate_chat_content_length(nil, false), do: {:error, :no_content}
defp validate_chat_content_length(content, _) do
if String.length(content) <= Pleroma.Config.get([:instance, :chat_limit]) do
:ok
else
{:error, :content_too_long}
end
end
def unblock(blocker, blocked) do
with {_, %Activity{} = block} <- {:fetch_block, Utils.fetch_latest_block(blocker, blocked)},
{:ok, unblock_data, _} <- Builder.undo(blocker, block),
{:ok, unblock, _} <- Pipeline.common_pipeline(unblock_data, local: true) do
{:ok, unblock}
else
{:fetch_block, nil} ->
if User.blocks?(blocker, blocked) do
User.unblock(blocker, blocked)
{:ok, :no_activity}
else
{:error, :not_blocking}
end
e ->
e
end
end
def follow(follower, followed) do
timeout = Pleroma.Config.get([:activitypub, :follow_handshake_timeout])
with {:ok, follow_data, _} <- Builder.follow(follower, followed),
{:ok, activity, _} <- Pipeline.common_pipeline(follow_data, local: true),
{:ok, follower, followed} <- User.wait_and_refresh(timeout, follower, followed) do
if activity.data["state"] == "reject" do
{:error, :rejected}
else
{:ok, follower, followed, activity}
end
end
end
def unfollow(follower, unfollowed) do
with {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
{:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed),
{:ok, _subscription} <- User.unsubscribe(follower, unfollowed) do
{:ok, follower}
end
end
def accept_follow_request(follower, followed) do
with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
{:ok, accept_data, _} <- Builder.accept(followed, follow_activity),
{:ok, _activity, _} <- Pipeline.common_pipeline(accept_data, local: true) do
{:ok, follower}
end
end
def reject_follow_request(follower, followed) do
with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
{:ok, reject_data, _} <- Builder.reject(followed, follow_activity),
{:ok, _activity, _} <- Pipeline.common_pipeline(reject_data, local: true) do
{:ok, follower}
end
end
def delete(activity_id, user) do
with {_, %Activity{data: %{"object" => _, "type" => "Create"}} = activity} <-
{:find_activity, Activity.get_by_id(activity_id)},
{_, %Object{} = object, _} <-
{:find_object, Object.normalize(activity, fetch: false), activity},
true <- User.superuser?(user) || user.ap_id == object.data["actor"],
{:ok, delete_data, _} <- Builder.delete(user, object.data["id"]),
{:ok, delete, _} <- Pipeline.common_pipeline(delete_data, local: true) do
- # Also delete from search index
- search_module = Pleroma.Config.get([Pleroma.Search, :module])
-
- ConcurrentLimiter.limit(Pleroma.Search, fn ->
- Task.start(fn -> search_module.remove_from_index(object) end)
- end)
+ # Remove from search index for local posts
+ Pleroma.Search.remove_from_index(object)
{:ok, delete}
else
{:find_activity, _} ->
{:error, :not_found}
{:find_object, nil, %Activity{data: %{"actor" => actor, "object" => object}}} ->
# We have the create activity, but not the object, it was probably pruned.
# Insert a tombstone and try again
with {:ok, tombstone_data, _} <- Builder.tombstone(actor, object),
{:ok, _tombstone} <- Object.create(tombstone_data) do
delete(activity_id, user)
else
_ ->
Logger.error(
"Could not insert tombstone for missing object on deletion. Object is #{object}."
)
{:error, dgettext("errors", "Could not delete")}
end
_ ->
{:error, dgettext("errors", "Could not delete")}
end
end
def repeat(id, user, params \\ %{}) do
with %Activity{data: %{"type" => "Create"}} = activity <- Activity.get_by_id(id),
object = %Object{} <- Object.normalize(activity, fetch: false),
{_, nil} <- {:existing_announce, Utils.get_existing_announce(user.ap_id, object)},
public = public_announce?(object, params),
{:ok, announce, _} <- Builder.announce(user, object, public: public),
{:ok, activity, _} <- Pipeline.common_pipeline(announce, local: true) do
{:ok, activity}
else
{:existing_announce, %Activity{} = announce} ->
{:ok, announce}
_ ->
{:error, :not_found}
end
end
def unrepeat(id, user) do
with {_, %Activity{data: %{"type" => "Create"}} = activity} <-
{:find_activity, Activity.get_by_id(id)},
%Object{} = note <- Object.normalize(activity, fetch: false),
%Activity{} = announce <- Utils.get_existing_announce(user.ap_id, note),
{:ok, undo, _} <- Builder.undo(user, announce),
{:ok, activity, _} <- Pipeline.common_pipeline(undo, local: true) do
{:ok, activity}
else
{:find_activity, _} -> {:error, :not_found}
_ -> {:error, dgettext("errors", "Could not unrepeat")}
end
end
@spec favorite(User.t(), binary()) :: {:ok, Activity.t() | :already_liked} | {:error, any()}
def favorite(%User{} = user, id) do
case favorite_helper(user, id) do
{:ok, _} = res ->
res
{:error, :not_found} = res ->
res
{:error, e} ->
Logger.error("Could not favorite #{id}. Error: #{inspect(e, pretty: true)}")
{:error, dgettext("errors", "Could not favorite")}
end
end
def favorite_helper(user, id) do
with {_, %Activity{object: object}} <- {:find_object, Activity.get_by_id_with_object(id)},
{_, {:ok, like_object, meta}} <- {:build_object, Builder.like(user, object)},
{_, {:ok, %Activity{} = activity, _meta}} <-
{:common_pipeline,
Pipeline.common_pipeline(like_object, Keyword.put(meta, :local, true))} do
{:ok, activity}
else
{:find_object, _} ->
{:error, :not_found}
{:common_pipeline, {:error, {:validate, {:error, changeset}}}} = e ->
if {:object, {"already liked by this actor", []}} in changeset.errors do
{:ok, :already_liked}
else
{:error, e}
end
e ->
{:error, e}
end
end
def unfavorite(id, user) do
with {_, %Activity{data: %{"type" => "Create"}} = activity} <-
{:find_activity, Activity.get_by_id(id)},
%Object{} = note <- Object.normalize(activity, fetch: false),
%Activity{} = like <- Utils.get_existing_like(user.ap_id, note),
{:ok, undo, _} <- Builder.undo(user, like),
{:ok, activity, _} <- Pipeline.common_pipeline(undo, local: true) do
{:ok, activity}
else
{:find_activity, _} -> {:error, :not_found}
_ -> {:error, dgettext("errors", "Could not unfavorite")}
end
end
def react_with_emoji(id, user, emoji) do
with %Activity{} = activity <- Activity.get_by_id(id),
object <- Object.normalize(activity, fetch: false),
{:ok, emoji_react, _} <- Builder.emoji_react(user, object, emoji),
{:ok, activity, _} <- Pipeline.common_pipeline(emoji_react, local: true) do
{:ok, activity}
else
_ -> {:error, dgettext("errors", "Could not add reaction emoji")}
end
end
def unreact_with_emoji(id, user, emoji) do
with %Activity{} = reaction_activity <- Utils.get_latest_reaction(id, user, emoji),
{:ok, undo, _} <- Builder.undo(user, reaction_activity),
{:ok, activity, _} <- Pipeline.common_pipeline(undo, local: true) do
{:ok, activity}
else
_ ->
{:error, dgettext("errors", "Could not remove reaction emoji")}
end
end
def vote(user, %{data: %{"type" => "Question"}} = object, choices) do
with :ok <- validate_not_author(object, user),
:ok <- validate_existing_votes(user, object),
{:ok, options, choices} <- normalize_and_validate_choices(choices, object) do
answer_activities =
Enum.map(choices, fn index ->
{:ok, answer_object, _meta} =
Builder.answer(user, object, Enum.at(options, index)["name"])
{:ok, activity_data, _meta} = Builder.create(user, answer_object, [])
{:ok, activity, _meta} =
activity_data
|> Map.put("cc", answer_object["cc"])
|> Map.put("context", answer_object["context"])
|> Pipeline.common_pipeline(local: true)
# TODO: Do preload of Pleroma.Object in Pipeline
Activity.normalize(activity.data)
end)
object = Object.get_cached_by_ap_id(object.data["id"])
{:ok, answer_activities, object}
end
end
defp validate_not_author(%{data: %{"actor" => ap_id}}, %{ap_id: ap_id}),
do: {:error, dgettext("errors", "Poll's author can't vote")}
defp validate_not_author(_, _), do: :ok
defp validate_existing_votes(%{ap_id: ap_id}, object) do
if Utils.get_existing_votes(ap_id, object) == [] do
:ok
else
{:error, dgettext("errors", "Already voted")}
end
end
defp get_options_and_max_count(%{data: %{"anyOf" => any_of}})
when is_list(any_of) and any_of != [],
do: {any_of, Enum.count(any_of)}
defp get_options_and_max_count(%{data: %{"oneOf" => one_of}})
when is_list(one_of) and one_of != [],
do: {one_of, 1}
defp normalize_and_validate_choices(choices, object) do
choices = Enum.map(choices, fn i -> if is_binary(i), do: String.to_integer(i), else: i end)
{options, max_count} = get_options_and_max_count(object)
count = Enum.count(options)
with {_, true} <- {:valid_choice, Enum.all?(choices, &(&1 < count))},
{_, true} <- {:count_check, Enum.count(choices) <= max_count} do
{:ok, options, choices}
else
{:valid_choice, _} -> {:error, dgettext("errors", "Invalid indices")}
{:count_check, _} -> {:error, dgettext("errors", "Too many choices")}
end
end
def public_announce?(_, %{visibility: visibility})
when visibility in ~w{public unlisted private direct},
do: visibility in ~w(public unlisted)
def public_announce?(object, _) do
Visibility.is_public?(object)
end
def get_visibility(_, _, %Participation{}), do: {"direct", "direct"}
def get_visibility(%{visibility: visibility}, in_reply_to, _)
when visibility in ~w{public local unlisted private direct},
do: {visibility, get_replied_to_visibility(in_reply_to)}
def get_visibility(%{visibility: "list:" <> list_id}, in_reply_to, _) do
visibility = {:list, String.to_integer(list_id)}
{visibility, get_replied_to_visibility(in_reply_to)}
end
def get_visibility(_, in_reply_to, _) when not is_nil(in_reply_to) do
visibility = get_replied_to_visibility(in_reply_to)
{visibility, visibility}
end
def get_visibility(_, in_reply_to, _), do: {"public", get_replied_to_visibility(in_reply_to)}
def get_replied_to_visibility(nil), do: nil
def get_replied_to_visibility(activity) do
with %Object{} = object <- Object.normalize(activity, fetch: false) do
Visibility.get_visibility(object)
end
end
def check_expiry_date({:ok, nil} = res), do: res
def check_expiry_date({:ok, in_seconds}) do
expiry = DateTime.add(DateTime.utc_now(), in_seconds)
if Pleroma.Workers.PurgeExpiredActivity.expires_late_enough?(expiry) do
{:ok, expiry}
else
{:error, "Expiry date is too soon"}
end
end
def check_expiry_date(expiry_str) do
Ecto.Type.cast(:integer, expiry_str)
|> check_expiry_date()
end
def listen(user, data) do
with {:ok, draft} <- ActivityDraft.listen(user, data) do
ActivityPub.listen(draft.changes)
end
end
def post(user, %{status: _} = data) do
with {:ok, draft} <- ActivityDraft.create(user, data) do
activity = ActivityPub.create(draft.changes, draft.preview?)
unless draft.preview? do
Pleroma.Elasticsearch.maybe_put_into_elasticsearch(activity)
end
activity
end
end
@spec pin(String.t(), User.t()) :: {:ok, Activity.t()} | {:error, term()}
def pin(id, %User{} = user) do
with %Activity{} = activity <- create_activity_by_id(id),
true <- activity_belongs_to_actor(activity, user.ap_id),
true <- object_type_is_allowed_for_pin(activity.object),
true <- activity_is_public(activity),
{:ok, pin_data, _} <- Builder.pin(user, activity.object),
{:ok, _pin, _} <-
Pipeline.common_pipeline(pin_data,
local: true,
activity_id: id
) do
{:ok, activity}
else
{:error, {:side_effects, error}} -> error
error -> error
end
end
defp create_activity_by_id(id) do
with nil <- Activity.create_by_id_with_object(id) do
{:error, :not_found}
end
end
defp activity_belongs_to_actor(%{actor: actor}, actor), do: true
defp activity_belongs_to_actor(_, _), do: {:error, :ownership_error}
defp object_type_is_allowed_for_pin(%{data: %{"type" => type}}) do
with false <- type in ["Note", "Article", "Question"] do
{:error, :not_allowed}
end
end
defp activity_is_public(activity) do
with false <- Visibility.is_public?(activity) do
{:error, :visibility_error}
end
end
@spec unpin(String.t(), User.t()) :: {:ok, User.t()} | {:error, term()}
def unpin(id, user) do
with %Activity{} = activity <- create_activity_by_id(id),
{:ok, unpin_data, _} <- Builder.unpin(user, activity.object),
{:ok, _unpin, _} <-
Pipeline.common_pipeline(unpin_data,
local: true,
activity_id: activity.id,
expires_at: activity.data["expires_at"],
featured_address: user.featured_address
) do
{:ok, activity}
end
end
def add_mute(user, activity, params \\ %{}) do
expires_in = Map.get(params, :expires_in, 0)
with {:ok, _} <- ThreadMute.add_mute(user.id, activity.data["context"]),
_ <- Pleroma.Notification.mark_context_as_read(user, activity.data["context"]) do
if expires_in > 0 do
Pleroma.Workers.MuteExpireWorker.enqueue(
"unmute_conversation",
%{"user_id" => user.id, "activity_id" => activity.id},
schedule_in: expires_in
)
end
{:ok, activity}
else
{:error, _} -> {:error, dgettext("errors", "conversation is already muted")}
end
end
def remove_mute(%User{} = user, %Activity{} = activity) do
ThreadMute.remove_mute(user.id, activity.data["context"])
{:ok, activity}
end
def remove_mute(user_id, activity_id) do
with {:user, %User{} = user} <- {:user, User.get_by_id(user_id)},
{:activity, %Activity{} = activity} <- {:activity, Activity.get_by_id(activity_id)} do
remove_mute(user, activity)
else
{what, result} = error ->
Logger.warn(
"CommonAPI.remove_mute/2 failed. #{what}: #{result}, user_id: #{user_id}, activity_id: #{activity_id}"
)
{:error, error}
end
end
def thread_muted?(%User{id: user_id}, %{data: %{"context" => context}})
when is_binary(context) do
ThreadMute.exists?(user_id, context)
end
def thread_muted?(_, _), do: false
def report(user, data) do
with {:ok, account} <- get_reported_account(data.account_id),
{:ok, {content_html, _, _}} <- make_report_content_html(data[:comment]),
{:ok, statuses} <- get_report_statuses(account, data) do
ActivityPub.flag(%{
context: Utils.generate_context_id(),
actor: user,
account: account,
statuses: statuses,
content: content_html,
forward: Map.get(data, :forward, false)
})
end
end
defp get_reported_account(account_id) do
case User.get_cached_by_id(account_id) do
%User{} = account -> {:ok, account}
_ -> {:error, dgettext("errors", "Account not found")}
end
end
def update_report_state(activity_ids, state) when is_list(activity_ids) do
case Utils.update_report_state(activity_ids, state) do
:ok -> {:ok, activity_ids}
_ -> {:error, dgettext("errors", "Could not update state")}
end
end
def update_report_state(activity_id, state) do
with %Activity{} = activity <- Activity.get_by_id(activity_id) do
Utils.update_report_state(activity, state)
else
nil -> {:error, :not_found}
_ -> {:error, dgettext("errors", "Could not update state")}
end
end
def update_activity_scope(activity_id, opts \\ %{}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(activity_id),
{:ok, activity} <- toggle_sensitive(activity, opts) do
set_visibility(activity, opts)
else
nil -> {:error, :not_found}
{:error, reason} -> {:error, reason}
end
end
defp toggle_sensitive(activity, %{sensitive: sensitive}) when sensitive in ~w(true false) do
toggle_sensitive(activity, %{sensitive: String.to_existing_atom(sensitive)})
end
defp toggle_sensitive(%Activity{object: object} = activity, %{sensitive: sensitive})
when is_boolean(sensitive) do
new_data = Map.put(object.data, "sensitive", sensitive)
{:ok, object} =
object
|> Object.change(%{data: new_data})
|> Object.update_and_set_cache()
{:ok, Map.put(activity, :object, object)}
end
defp toggle_sensitive(activity, _), do: {:ok, activity}
defp set_visibility(activity, %{visibility: visibility}) do
Utils.update_activity_visibility(activity, visibility)
end
defp set_visibility(activity, _), do: {:ok, activity}
def hide_reblogs(%User{} = user, %User{} = target) do
UserRelationship.create_reblog_mute(user, target)
end
def show_reblogs(%User{} = user, %User{} = target) do
UserRelationship.delete_reblog_mute(user, target)
end
def get_user(ap_id, fake_record_fallback \\ true) do
cond do
user = User.get_cached_by_ap_id(ap_id) ->
user
user = User.get_by_guessed_nickname(ap_id) ->
user
fake_record_fallback ->
# TODO: refactor (fake records is never a good idea)
User.error_user(ap_id)
true ->
nil
end
end
end
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