X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fnotification.ex;h=d145f8d5b5a42c8ba3b685196754e45a1eaf682e;hb=0e92aa0025fbdb268735502cae0a434558e290c5;hp=716d98733b9375589ecdc5e3d68c840ccae9af90;hpb=d7457c9165b83c0f1514cf0532b5a8bdc515ea02;p=akkoma

diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index 716d98733..824ba5ecb 100644
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -1,5 +1,5 @@
 # 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
@@ -10,6 +10,7 @@ defmodule Pleroma.Notification do
   alias Pleroma.Object
   alias Pleroma.Pagination
   alias Pleroma.Repo
+  alias Pleroma.ThreadMute
   alias Pleroma.User
   alias Pleroma.Web.CommonAPI.Utils
   alias Pleroma.Web.Push
@@ -18,12 +19,16 @@ 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: Pleroma.FlakeId)
-    belongs_to(:activity, Activity, type: Pleroma.FlakeId)
+    belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
+    belongs_to(:activity, Activity, type: FlakeId.Ecto.CompatType)
 
     timestamps()
   end
@@ -33,44 +38,138 @@ defmodule Pleroma.Notification do
     |> cast(attrs, [:seen])
   end
 
-  def for_user_query(user, opts \\ []) do
-    query =
-      Notification
-      |> where(user_id: ^user.id)
-      |> where(
-        [n, a],
+  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 deactivated = 'true')",
+        a.actor
+      )
+    )
+    |> join(:inner, [n], activity in assoc(n, :activity))
+    |> join(:left, [n, a], object in Object,
+      on:
         fragment(
-          "? not in (SELECT ap_id FROM users WHERE info->'deactivated' @> 'true')",
-          a.actor
+          "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
+          object.data,
+          a.data
         )
-      )
-      |> join(:inner, [n], activity in assoc(n, :activity))
-      |> join(:left, [n, a], object in Object,
-        on:
-          fragment(
-            "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
-            object.data,
-            a.data
-          )
-      )
-      |> preload([n, a, o], activity: {a, object: o})
+    )
+    |> preload([n, a, o], activity: {a, object: o})
+    |> exclude_notification_muted(user, exclude_notification_muted_opts)
+    |> exclude_blocked(user, exclude_blocked_opts)
+    |> exclude_visibility(opts)
+    |> exclude_move(opts)
+  end
+
+  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 ^blocked_ap_ids)
+    |> where(
+      [n, a],
+      fragment("substring(? from '.*://([^/]*)')", a.actor) not in ^user.domain_blocks
+    )
+  end
+
+  defp exclude_notification_muted(query, _, %{@include_muted_option => true}) do
+    query
+  end
+
+  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 ^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))
+  end
+
+  defp exclude_move(query, %{with_move: true}) do
+    query
+  end
+
+  defp exclude_move(query, _opts) do
+    where(query, [n, a], fragment("?->>'type' != 'Move'", a.data))
+  end
+
+  @valid_visibilities ~w[direct unlisted public private]
 
-    if opts[:with_muted] do
+  defp exclude_visibility(query, %{exclude_visibilities: visibility})
+       when is_list(visibility) do
+    if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
       query
-    else
-      where(query, [n, a], a.actor not in ^user.info.muted_notifications)
-      |> where([n, a], a.actor not in ^user.info.blocks)
-      |> where(
-        [n, a],
-        fragment("substring(? from '.*://([^/]*)')", a.actor) not in ^user.info.domain_blocks
+      |> 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
       )
-      |> join(:left, [n, a], tm in Pleroma.ThreadMute,
-        on: tm.user_id == ^user.id and tm.context == fragment("?->>'context'", a.data)
+      |> where(
+        [n, a, mutated_activity: mutated_activity],
+        not fragment(
+          """
+          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,
+          ^visibility
+        )
       )
-      |> where([n, a, o, tm], is_nil(tm.user_id))
+    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
+    exclude_visibility(query, [visibility])
+  end
+
+  defp exclude_visibility(query, %{exclude_visibilities: visibility})
+       when visibility not in @valid_visibilities do
+    Logger.error("Could not exclude visibility to #{visibility}")
+    query
+  end
+
+  defp exclude_visibility(query, _visibility), do: query
+
   def for_user(user, opts \\ %{}) do
     user
     |> for_user_query(opts)
@@ -187,56 +286,111 @@ 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 ["Like", "Announce", "Follow", "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)
-      Streamer.stream("user", notification)
-      Streamer.stream("user:notification", notification)
-      Push.send(notification)
+
+      if do_send do
+        Streamer.stream(["user", "user:notification"], notification)
+        Push.send(notification)
+      end
+
       notification
     end
   end
 
+  @doc """
+  Returns a tuple with 2 elements:
+    {enabled notification receivers, currently disabled receivers (blocking / [thread] muting)}
+
+  NOTE: might be called for FAKE Activities, see ActivityPub.Utils.get_notified_from_object/1
+  """
   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 =
+  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 =
       []
       |> Utils.maybe_notify_to_recipients(activity)
       |> Utils.maybe_notify_mentioned_recipients(activity)
+      |> Utils.maybe_notify_subscribers(activity)
+      |> Utils.maybe_notify_followers(activity)
       |> Enum.uniq()
 
-    User.get_users_from_set(recipients, local_only)
+    # Since even subscribers and followers can mute / thread-mute, filtering all above AP IDs
+    notification_enabled_ap_ids =
+      potential_receiver_ap_ids
+      |> exclude_relationship_restricted_ap_ids(activity)
+      |> exclude_thread_muter_ap_ids(activity)
+
+    potential_receivers =
+      potential_receiver_ap_ids
+      |> Enum.uniq()
+      |> User.get_users_from_set(local_only)
+
+    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: {[], []}
+
+  @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
 
-  def get_notified_from_activity(_, _local_only), do: []
+  @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,
@@ -245,18 +399,20 @@ 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)
@@ -265,15 +421,19 @@ 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)
@@ -281,15 +441,16 @@ 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)