diff options
Diffstat (limited to 'lib/pleroma/notification.ex')
| -rw-r--r-- | lib/pleroma/notification.ex | 335 |
1 files changed, 256 insertions, 79 deletions
diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex index e5da1492b..8aa9ed2d4 100644 --- a/lib/pleroma/notification.ex +++ b/lib/pleroma/notification.ex @@ -1,15 +1,19 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Notification do use Ecto.Schema + alias Ecto.Multi alias Pleroma.Activity + alias Pleroma.FollowingRelationship + alias Pleroma.Marker alias Pleroma.Notification alias Pleroma.Object alias Pleroma.Pagination alias Pleroma.Repo + alias Pleroma.ThreadMute alias Pleroma.User alias Pleroma.Web.CommonAPI.Utils alias Pleroma.Web.Push @@ -17,10 +21,13 @@ defmodule Pleroma.Notification do import Ecto.Query import Ecto.Changeset + require Logger @type t :: %__MODULE__{} + @include_muted_option :with_muted + schema "notifications" do field(:seen, :boolean, default: false) belongs_to(:user, User, type: FlakeId.Ecto.CompatType) @@ -29,18 +36,55 @@ defmodule Pleroma.Notification do timestamps() end + @spec unread_notifications_count(User.t()) :: integer() + def unread_notifications_count(%User{id: user_id}) do + from(q in __MODULE__, + where: q.user_id == ^user_id and q.seen == false + ) + |> Repo.aggregate(:count, :id) + end + def changeset(%Notification{} = notification, attrs) do notification |> cast(attrs, [:seen]) end - def for_user_query(user, opts \\ []) do + @spec last_read_query(User.t()) :: Ecto.Queryable.t() + def last_read_query(user) do + from(q in Pleroma.Notification, + where: q.user_id == ^user.id, + where: q.seen == true, + select: type(q.id, :string), + limit: 1, + order_by: [desc: :id] + ) + end + + defp for_user_query_ap_id_opts(user, opts) do + ap_id_relationships = + [:block] ++ + if opts[@include_muted_option], do: [], else: [:notification_mute] + + preloaded_ap_ids = User.outgoing_relationships_ap_ids(user, ap_id_relationships) + + exclude_blocked_opts = Map.merge(%{blocked_users_ap_ids: preloaded_ap_ids[:block]}, opts) + + exclude_notification_muted_opts = + Map.merge(%{notification_muted_users_ap_ids: preloaded_ap_ids[:notification_mute]}, opts) + + {exclude_blocked_opts, exclude_notification_muted_opts} + end + + def for_user_query(user, opts \\ %{}) do + {exclude_blocked_opts, exclude_notification_muted_opts} = + for_user_query_ap_id_opts(user, opts) + Notification |> where(user_id: ^user.id) |> where( [n, a], fragment( - "? not in (SELECT ap_id FROM users WHERE info->'deactivated' @> 'true')", + "? not in (SELECT ap_id FROM users WHERE deactivated = 'true')", a.actor ) ) @@ -54,28 +98,31 @@ defmodule Pleroma.Notification do ) ) |> preload([n, a, o], activity: {a, object: o}) - |> exclude_muted(user, opts) - |> exclude_blocked(user) + |> exclude_notification_muted(user, exclude_notification_muted_opts) + |> exclude_blocked(user, exclude_blocked_opts) |> exclude_visibility(opts) end - defp exclude_blocked(query, user) do + # Excludes blocked users and non-followed domain-blocked users + defp exclude_blocked(query, user, opts) do + blocked_ap_ids = opts[:blocked_users_ap_ids] || User.blocked_users_ap_ids(user) + query - |> where([n, a], a.actor not in ^user.info.blocks) - |> where( - [n, a], - fragment("substring(? from '.*://([^/]*)')", a.actor) not in ^user.info.domain_blocks - ) + |> where([n, a], a.actor not in ^blocked_ap_ids) + |> FollowingRelationship.keep_following_or_not_domain_blocked(user) end - defp exclude_muted(query, _, %{with_muted: true}) do + defp exclude_notification_muted(query, _, %{@include_muted_option => true}) do query end - defp exclude_muted(query, user, _opts) do + defp exclude_notification_muted(query, user, opts) do + notification_muted_ap_ids = + opts[:notification_muted_users_ap_ids] || User.notification_muted_users_ap_ids(user) + query - |> where([n, a], a.actor not in ^user.info.muted_notifications) - |> join(:left, [n, a], tm in Pleroma.ThreadMute, + |> where([n, a], a.actor not in ^notification_muted_ap_ids) + |> join(:left, [n, a], tm in ThreadMute, on: tm.user_id == ^user.id and tm.context == fragment("?->>'context'", a.data) ) |> where([n, a, o, tm], is_nil(tm.user_id)) @@ -87,10 +134,28 @@ defmodule Pleroma.Notification do when is_list(visibility) do if Enum.all?(visibility, &(&1 in @valid_visibilities)) do query + |> join(:left, [n, a], mutated_activity in Pleroma.Activity, + on: + fragment("?->>'context'", a.data) == + fragment("?->>'context'", mutated_activity.data) and + fragment("(?->>'type' = 'Like' or ?->>'type' = 'Announce')", a.data, a.data) and + fragment("?->>'type'", mutated_activity.data) == "Create", + as: :mutated_activity + ) |> where( - [n, a], + [n, a, mutated_activity: mutated_activity], not fragment( - "activity_visibility(?, ?, ?) = ANY (?)", + """ + CASE WHEN (?->>'type') = 'Like' or (?->>'type') = 'Announce' + THEN (activity_visibility(?, ?, ?) = ANY (?)) + ELSE (activity_visibility(?, ?, ?) = ANY (?)) END + """, + a.data, + a.data, + mutated_activity.actor, + mutated_activity.recipients, + mutated_activity.data, + ^visibility, a.actor, a.recipients, a.data, @@ -105,17 +170,7 @@ defmodule Pleroma.Notification do defp exclude_visibility(query, %{exclude_visibilities: visibility}) when visibility in @valid_visibilities do - query - |> where( - [n, a], - not fragment( - "activity_visibility(?, ?, ?) = (?)", - a.actor, - a.recipients, - a.data, - ^visibility - ) - ) + exclude_visibility(query, [visibility]) end defp exclude_visibility(query, %{exclude_visibilities: visibility}) @@ -151,25 +206,23 @@ defmodule Pleroma.Notification do |> Repo.all() end - def set_read_up_to(%{id: user_id} = _user, id) do + def set_read_up_to(%{id: user_id} = user, id) do query = from( n in Notification, where: n.user_id == ^user_id, where: n.id <= ^id, where: n.seen == false, - update: [ - set: [ - seen: true, - updated_at: ^NaiveDateTime.utc_now() - ] - ], # Ideally we would preload object and activities here # but Ecto does not support preloads in update_all select: n.id ) - {_, notification_ids} = Repo.update_all(query, []) + {:ok, %{ids: {_, notification_ids}}} = + Multi.new() + |> Multi.update_all(:ids, query, set: [seen: true, updated_at: NaiveDateTime.utc_now()]) + |> Marker.multi_set_last_read_id(user, "notifications") + |> Repo.transaction() Notification |> where([n], n.id in ^notification_ids) @@ -186,11 +239,18 @@ defmodule Pleroma.Notification do |> Repo.all() end + @spec read_one(User.t(), String.t()) :: + {:ok, Notification.t()} | {:error, Ecto.Changeset.t()} | nil def read_one(%User{} = user, notification_id) do with {:ok, %Notification{} = notification} <- get(user, notification_id) do - notification - |> changeset(%{seen: true}) - |> Repo.update() + Multi.new() + |> Multi.update(:update, changeset(notification, %{seen: true})) + |> Marker.multi_set_last_read_id(user, "notifications") + |> Repo.transaction() + |> case do + {:ok, %{update: notification}} -> {:ok, notification} + {:error, :update, changeset, _} -> {:error, changeset} + end end end @@ -227,6 +287,16 @@ defmodule Pleroma.Notification do |> Repo.delete_all() end + def dismiss(%Pleroma.Activity{} = activity) do + Notification + |> where([n], n.activity_id == ^activity.id) + |> Repo.delete_all() + |> case do + {_, notifications} -> {:ok, notifications} + _ -> {:error, "Cannot dismiss notification"} + end + end + def dismiss(%{id: user_id} = _user, id) do notification = Repo.get(Notification, id) @@ -242,59 +312,159 @@ defmodule Pleroma.Notification do def create_notifications(%Activity{data: %{"to" => _, "type" => "Create"}} = activity) do object = Object.normalize(activity) - unless object && object.data["type"] == "Answer" do - users = get_notified_from_activity(activity) - notifications = Enum.map(users, fn user -> create_notification(activity, user) end) - {:ok, notifications} - else + if object && object.data["type"] == "Answer" do {:ok, []} + else + do_create_notifications(activity) end end - def create_notifications(%Activity{data: %{"to" => _, "type" => type}} = activity) - when type in ["Like", "Announce", "Follow"] do - users = get_notified_from_activity(activity) - notifications = Enum.map(users, fn user -> create_notification(activity, user) end) - {:ok, notifications} + def create_notifications(%Activity{data: %{"type" => type}} = activity) + when type in ["Follow", "Like", "Announce", "Move", "EmojiReact"] do + do_create_notifications(activity) end def create_notifications(_), do: {:ok, []} + defp do_create_notifications(%Activity{} = activity) do + {enabled_receivers, disabled_receivers} = get_notified_from_activity(activity) + potential_receivers = enabled_receivers ++ disabled_receivers + + notifications = + Enum.map(potential_receivers, fn user -> + do_send = user in enabled_receivers + create_notification(activity, user, do_send) + end) + + {:ok, notifications} + end + # TODO move to sql, too. - def create_notification(%Activity{} = activity, %User{} = user) do + def create_notification(%Activity{} = activity, %User{} = user, do_send \\ true) do unless skip?(activity, user) do - notification = %Notification{user_id: user.id, activity: activity} - {:ok, notification} = Repo.insert(notification) + {:ok, %{notification: notification}} = + Multi.new() + |> Multi.insert(:notification, %Notification{user_id: user.id, activity: activity}) + |> Marker.multi_set_last_read_id(user, "notifications") + |> Repo.transaction() - ["user", "user:notification"] - |> Streamer.stream(notification) + if do_send do + Streamer.stream(["user", "user:notification"], notification) + Push.send(notification) + end - Push.send(notification) notification end end + @doc """ + Returns a tuple with 2 elements: + {notification-enabled receivers, currently disabled receivers (blocking / [thread] muting)} + + NOTE: might be called for FAKE Activities, see ActivityPub.Utils.get_notified_from_object/1 + """ + @spec get_notified_from_activity(Activity.t(), boolean()) :: {list(User.t()), list(User.t())} def get_notified_from_activity(activity, local_only \\ true) - def get_notified_from_activity( - %Activity{data: %{"to" => _, "type" => type} = _data} = activity, - local_only - ) - when type in ["Create", "Like", "Announce", "Follow"] do - recipients = - [] - |> Utils.maybe_notify_to_recipients(activity) - |> Utils.maybe_notify_mentioned_recipients(activity) - |> Utils.maybe_notify_subscribers(activity) - |> Enum.uniq() + def get_notified_from_activity(%Activity{data: %{"type" => type}} = activity, local_only) + when type in ["Create", "Like", "Announce", "Follow", "Move", "EmojiReact"] do + potential_receiver_ap_ids = get_potential_receiver_ap_ids(activity) + + potential_receivers = User.get_users_from_set(potential_receiver_ap_ids, local_only) + + notification_enabled_ap_ids = + potential_receiver_ap_ids + |> exclude_domain_blocker_ap_ids(activity, potential_receivers) + |> exclude_relationship_restricted_ap_ids(activity) + |> exclude_thread_muter_ap_ids(activity) + + notification_enabled_users = + Enum.filter(potential_receivers, fn u -> u.ap_id in notification_enabled_ap_ids end) + + {notification_enabled_users, potential_receivers -- notification_enabled_users} + end + + def get_notified_from_activity(_, _local_only), do: {[], []} + + # For some activities, only notify the author of the object + def get_potential_receiver_ap_ids(%{data: %{"type" => type, "object" => object_id}}) + when type in ~w{Like Announce EmojiReact} do + case Object.get_cached_by_ap_id(object_id) do + %Object{data: %{"actor" => actor}} -> + [actor] + + _ -> + [] + end + end + + def get_potential_receiver_ap_ids(activity) do + [] + |> Utils.maybe_notify_to_recipients(activity) + |> Utils.maybe_notify_mentioned_recipients(activity) + |> Utils.maybe_notify_subscribers(activity) + |> Utils.maybe_notify_followers(activity) + |> Enum.uniq() + end + + @doc "Filters out AP IDs domain-blocking and not following the activity's actor" + def exclude_domain_blocker_ap_ids(ap_ids, activity, preloaded_users \\ []) + + def exclude_domain_blocker_ap_ids([], _activity, _preloaded_users), do: [] - User.get_users_from_set(recipients, local_only) + def exclude_domain_blocker_ap_ids(ap_ids, %Activity{} = activity, preloaded_users) do + activity_actor_domain = activity.actor && URI.parse(activity.actor).host + + users = + ap_ids + |> Enum.map(fn ap_id -> + Enum.find(preloaded_users, &(&1.ap_id == ap_id)) || + User.get_cached_by_ap_id(ap_id) + end) + |> Enum.filter(& &1) + + domain_blocker_ap_ids = for u <- users, activity_actor_domain in u.domain_blocks, do: u.ap_id + + domain_blocker_follower_ap_ids = + if Enum.any?(domain_blocker_ap_ids) do + activity + |> Activity.user_actor() + |> FollowingRelationship.followers_ap_ids(domain_blocker_ap_ids) + else + [] + end + + ap_ids + |> Kernel.--(domain_blocker_ap_ids) + |> Kernel.++(domain_blocker_follower_ap_ids) end - def get_notified_from_activity(_, _local_only), do: [] + @doc "Filters out AP IDs of users basing on their relationships with activity actor user" + def exclude_relationship_restricted_ap_ids([], _activity), do: [] + + def exclude_relationship_restricted_ap_ids(ap_ids, %Activity{} = activity) do + relationship_restricted_ap_ids = + activity + |> Activity.user_actor() + |> User.incoming_relationships_ungrouped_ap_ids([ + :block, + :notification_mute + ]) + + Enum.uniq(ap_ids) -- relationship_restricted_ap_ids + end + + @doc "Filters out AP IDs of users who mute activity thread" + def exclude_thread_muter_ap_ids([], _activity), do: [] + + def exclude_thread_muter_ap_ids(ap_ids, %Activity{} = activity) do + thread_muter_ap_ids = ThreadMute.muter_ap_ids(activity.data["context"]) + + Enum.uniq(ap_ids) -- thread_muter_ap_ids + end @spec skip?(Activity.t(), User.t()) :: boolean() - def skip?(activity, user) do + def skip?(%Activity{} = activity, %User{} = user) do [ :self, :followers, @@ -303,18 +473,20 @@ defmodule Pleroma.Notification do :non_follows, :recently_followed ] - |> Enum.any?(&skip?(&1, activity, user)) + |> Enum.find(&skip?(&1, activity, user)) end + def skip?(_, _), do: false + @spec skip?(atom(), Activity.t(), User.t()) :: boolean() - def skip?(:self, activity, user) do + def skip?(:self, %Activity{} = activity, %User{} = user) do activity.data["actor"] == user.ap_id end def skip?( :followers, - activity, - %{info: %{notification_settings: %{"followers" => false}}} = user + %Activity{} = activity, + %User{notification_settings: %{followers: false}} = user ) do actor = activity.data["actor"] follower = User.get_cached_by_ap_id(actor) @@ -323,15 +495,19 @@ defmodule Pleroma.Notification do def skip?( :non_followers, - activity, - %{info: %{notification_settings: %{"non_followers" => false}}} = user + %Activity{} = activity, + %User{notification_settings: %{non_followers: false}} = user ) do actor = activity.data["actor"] follower = User.get_cached_by_ap_id(actor) !User.following?(follower, user) end - def skip?(:follows, activity, %{info: %{notification_settings: %{"follows" => false}}} = user) do + def skip?( + :follows, + %Activity{} = activity, + %User{notification_settings: %{follows: false}} = user + ) do actor = activity.data["actor"] followed = User.get_cached_by_ap_id(actor) User.following?(user, followed) @@ -339,15 +515,16 @@ defmodule Pleroma.Notification do def skip?( :non_follows, - activity, - %{info: %{notification_settings: %{"non_follows" => false}}} = user + %Activity{} = activity, + %User{notification_settings: %{non_follows: false}} = user ) do actor = activity.data["actor"] followed = User.get_cached_by_ap_id(actor) !User.following?(user, followed) end - def skip?(:recently_followed, %{data: %{"type" => "Follow"}} = activity, user) do + # To do: consider defining recency in hours and checking FollowingRelationship with a single SQL + def skip?(:recently_followed, %Activity{data: %{"type" => "Follow"}} = activity, %User{} = user) do actor = activity.data["actor"] Notification.for_user(user) |