[#878] Merge remote-tracking branch 'remotes/upstream/develop' into 878-activity...
[akkoma] / lib / pleroma / user.ex
index 3a9ae8d739702e58fa2eff366cc026f9b9c60db6..d03810d1ad551e07ccbba54760dd53a2893c3ed9 100644 (file)
@@ -9,12 +9,14 @@ defmodule Pleroma.User do
   import Ecto.Query
 
   alias Comeonin.Pbkdf2
+  alias Ecto.Multi
   alias Pleroma.Activity
   alias Pleroma.Keys
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Registration
   alias Pleroma.Repo
+  alias Pleroma.RepoStreamer
   alias Pleroma.User
   alias Pleroma.Web
   alias Pleroma.Web.ActivityPub.ActivityPub
@@ -105,15 +107,25 @@ defmodule Pleroma.User do
   def ap_followers(%User{follower_address: fa}) when is_binary(fa), do: fa
   def ap_followers(%User{} = user), do: "#{ap_id(user)}/followers"
 
-  def user_info(%User{} = user) do
+  def user_info(%User{} = user, args \\ %{}) do
+    following_count =
+      if args[:following_count], do: args[:following_count], else: following_count(user)
+
+    follower_count =
+      if args[:follower_count], do: args[:follower_count], else: user.info.follower_count
+
     %{
-      following_count: following_count(user),
       note_count: user.info.note_count,
-      follower_count: user.info.follower_count,
       locked: user.info.locked,
       confirmation_pending: user.info.confirmation_pending,
       default_scope: user.info.default_scope
     }
+    |> Map.put(:following_count, following_count)
+    |> Map.put(:follower_count, follower_count)
+  end
+
+  def set_info_cache(user, args) do
+    Cachex.put(:user_cache, "user_info:#{user.id}", user_info(user, args))
   end
 
   def restrict_deactivated(query) do
@@ -193,29 +205,26 @@ defmodule Pleroma.User do
   end
 
   def password_update_changeset(struct, params) do
-    changeset =
-      struct
-      |> cast(params, [:password, :password_confirmation])
-      |> validate_required([:password, :password_confirmation])
-      |> validate_confirmation(:password)
-
-    OAuth.Token.delete_user_tokens(struct)
-    OAuth.Authorization.delete_user_authorizations(struct)
-
-    if changeset.valid? do
-      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
-
-      changeset
-      |> put_change(:password_hash, hashed)
-    else
-      changeset
+    struct
+    |> cast(params, [:password, :password_confirmation])
+    |> validate_required([:password, :password_confirmation])
+    |> validate_confirmation(:password)
+    |> put_password_hash
+  end
+
+  def reset_password(%User{id: user_id} = user, data) do
+    multi =
+      Multi.new()
+      |> Multi.update(:user, password_update_changeset(user, data))
+      |> Multi.delete_all(:tokens, OAuth.Token.Query.get_by_user(user_id))
+      |> Multi.delete_all(:auth, OAuth.Authorization.delete_by_user_query(user))
+
+    case Repo.transaction(multi) do
+      {:ok, %{user: user} = _} -> set_cache(user)
+      {:error, _, changeset, _} -> {:error, changeset}
     end
   end
 
-  def reset_password(user, data) do
-    update_and_set_cache(password_update_changeset(user, data))
-  end
-
   def register_changeset(struct, params \\ %{}, opts \\ []) do
     need_confirmation? =
       if is_nil(opts[:need_confirmation]) do
@@ -249,12 +258,11 @@ defmodule Pleroma.User do
       end
 
     if changeset.valid? do
-      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
       ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
       followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
 
       changeset
-      |> put_change(:password_hash, hashed)
+      |> put_password_hash
       |> put_change(:ap_id, ap_id)
       |> unique_constraint(:ap_id)
       |> put_change(:following, [followers])
@@ -838,15 +846,12 @@ defmodule Pleroma.User do
   def mutes?(nil, _), do: false
   def mutes?(user, %{ap_id: ap_id}), do: Enum.member?(user.info.mutes, ap_id)
 
-  def blocks?(user, %{ap_id: ap_id}) do
-    blocks = user.info.blocks
-    domain_blocks = user.info.domain_blocks
+  def blocks?(%User{info: info} = _user, %{ap_id: ap_id}) do
+    blocks = info.blocks
+    domain_blocks = info.domain_blocks
     %{host: host} = URI.parse(ap_id)
 
-    Enum.member?(blocks, ap_id) ||
-      Enum.any?(domain_blocks, fn domain ->
-        host == domain
-      end)
+    Enum.member?(blocks, ap_id) || Enum.any?(domain_blocks, &(&1 == host))
   end
 
   def subscribed_to?(user, %{ap_id: ap_id}) do
@@ -932,18 +937,24 @@ defmodule Pleroma.User do
 
   @spec perform(atom(), User.t()) :: {:ok, User.t()}
   def perform(:delete, %User{} = user) do
-    {:ok, user} = User.deactivate(user)
-
     # Remove all relationships
     {:ok, followers} = User.get_followers(user)
 
-    Enum.each(followers, fn follower -> User.unfollow(follower, user) end)
+    Enum.each(followers, fn follower ->
+      ActivityPub.unfollow(follower, user)
+      User.unfollow(follower, user)
+    end)
 
     {:ok, friends} = User.get_friends(user)
 
-    Enum.each(friends, fn followed -> User.unfollow(user, followed) end)
+    Enum.each(friends, fn followed ->
+      ActivityPub.unfollow(user, followed)
+      User.unfollow(user, followed)
+    end)
 
     delete_user_activities(user)
+
+    {:ok, _user} = Repo.delete(user)
   end
 
   @spec perform(atom(), User.t()) :: {:ok, User.t()}
@@ -999,6 +1010,56 @@ defmodule Pleroma.User do
     )
   end
 
+  @spec sync_follow_counter() :: :ok
+  def sync_follow_counter,
+    do: PleromaJobQueue.enqueue(:background, __MODULE__, [:sync_follow_counters])
+
+  @spec perform(:sync_follow_counters) :: :ok
+  def perform(:sync_follow_counters) do
+    {:ok, _pid} = Agent.start_link(fn -> %{} end, name: :domain_errors)
+    config = Pleroma.Config.get([:instance, :external_user_synchronization])
+
+    :ok = sync_follow_counters(config)
+    Agent.stop(:domain_errors)
+  end
+
+  @spec sync_follow_counters(keyword()) :: :ok
+  def sync_follow_counters(opts \\ []) do
+    users = external_users(opts)
+
+    if length(users) > 0 do
+      errors = Agent.get(:domain_errors, fn state -> state end)
+      {last, updated_errors} = User.Synchronization.call(users, errors, opts)
+      Agent.update(:domain_errors, fn _state -> updated_errors end)
+      sync_follow_counters(max_id: last.id, limit: opts[:limit])
+    else
+      :ok
+    end
+  end
+
+  @spec external_users(keyword()) :: [User.t()]
+  def external_users(opts \\ []) do
+    query =
+      User.Query.build(%{
+        external: true,
+        active: true,
+        order_by: :id,
+        select: [:id, :ap_id, :info]
+      })
+
+    query =
+      if opts[:max_id],
+        do: where(query, [u], u.id > ^opts[:max_id]),
+        else: query
+
+    query =
+      if opts[:limit],
+        do: limit(query, ^opts[:limit]),
+        else: query
+
+    Repo.all(query)
+  end
+
   def blocks_import(%User{} = blocker, blocked_identifiers) when is_list(blocked_identifiers),
     do:
       PleromaJobQueue.enqueue(:background, __MODULE__, [
@@ -1016,18 +1077,35 @@ defmodule Pleroma.User do
       ])
 
   def delete_user_activities(%User{ap_id: ap_id} = user) do
-    stream =
-      ap_id
-      |> Activity.query_by_actor()
-      |> Repo.stream()
-
-    Repo.transaction(fn -> Enum.each(stream, &delete_activity(&1)) end, timeout: :infinity)
+    ap_id
+    |> Activity.query_by_actor()
+    |> RepoStreamer.chunk_stream(50)
+    |> Stream.each(fn activities ->
+      Enum.each(activities, &delete_activity(&1))
+    end)
+    |> Stream.run()
 
     {:ok, user}
   end
 
   defp delete_activity(%{data: %{"type" => "Create"}} = activity) do
-    Object.normalize(activity) |> ActivityPub.delete()
+    activity
+    |> Object.normalize()
+    |> ActivityPub.delete()
+  end
+
+  defp delete_activity(%{data: %{"type" => "Like"}} = activity) do
+    user = get_cached_by_ap_id(activity.actor)
+    object = Object.normalize(activity)
+
+    ActivityPub.unlike(user, object)
+  end
+
+  defp delete_activity(%{data: %{"type" => "Announce"}} = activity) do
+    user = get_cached_by_ap_id(activity.actor)
+    object = Object.normalize(activity)
+
+    ActivityPub.unannounce(user, object)
   end
 
   defp delete_activity(_activity), do: "Doing nothing"
@@ -1325,4 +1403,12 @@ defmodule Pleroma.User do
   end
 
   defdelegate search(query, opts \\ []), to: User.Search
+
+  defp put_password_hash(
+         %Ecto.Changeset{valid?: true, changes: %{password: password}} = changeset
+       ) do
+    change(changeset, password_hash: Pbkdf2.hashpwsalt(password))
+  end
+
+  defp put_password_hash(changeset), do: changeset
 end