X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fuser.ex;h=974f9685253f2cb7a43c803a3f30a8c335483e12;hb=325372b1e1eba6d9a2468678b5bf17c88252b61d;hp=474cd8c1a1b668026271290b253713b321bdaf6b;hpb=f4e2595592ccca6cedd64669baef7bdd2a6547d0;p=akkoma

diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 474cd8c1a..974f96852 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -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
@@ -50,6 +52,7 @@ defmodule Pleroma.User do
     field(:avatar, :map)
     field(:local, :boolean, default: true)
     field(:follower_address, :string)
+    field(:following_address, :string)
     field(:search_rank, :float, virtual: true)
     field(:search_type, :integer, virtual: true)
     field(:tags, {:array, :string}, default: [])
@@ -105,17 +108,34 @@ 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
+  @spec ap_following(User.t()) :: Sring.t()
+  def ap_following(%User{following_address: fa}) when is_binary(fa), do: fa
+  def ap_following(%User{} = user), do: "#{ap_id(user)}/following"
+
+  def user_info(%User{} = user, args \\ %{}) do
+    following_count =
+      if args[:following_count],
+        do: args[:following_count],
+        else: user.info.following_count || 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
 
+  @spec restrict_deactivated(Ecto.Query.t()) :: Ecto.Query.t()
   def restrict_deactivated(query) do
     from(u in query,
       where: not fragment("? \\? 'deactivated' AND ?->'deactivated' @> 'true'", u.info, u.info)
@@ -150,9 +170,10 @@ defmodule Pleroma.User do
 
     if changes.valid? do
       case info_cng.changes[:source_data] do
-        %{"followers" => followers} ->
+        %{"followers" => followers, "following" => following} ->
           changes
           |> put_change(:follower_address, followers)
+          |> put_change(:following_address, following)
 
         _ ->
           followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
@@ -184,7 +205,14 @@ defmodule Pleroma.User do
       |> User.Info.user_upgrade(params[:info])
 
     struct
-    |> cast(params, [:bio, :name, :follower_address, :avatar, :last_refreshed_at])
+    |> cast(params, [
+      :bio,
+      :name,
+      :follower_address,
+      :following_address,
+      :avatar,
+      :last_refreshed_at
+    ])
     |> unique_constraint(:nickname)
     |> validate_format(:nickname, local_nickname_regex())
     |> validate_length(:bio, max: 5000)
@@ -193,29 +221,27 @@ 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
+
+  @spec reset_password(User.t(), map) :: {:ok, User.t()} | {:error, Ecto.Changeset.t()}
+  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 +275,11 @@ 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])
@@ -308,6 +333,7 @@ defmodule Pleroma.User do
 
   def needs_update?(_), do: true
 
+  @spec maybe_direct_follow(User.t(), User.t()) :: {:ok, User.t()} | {:error, String.t()}
   def maybe_direct_follow(%User{} = follower, %User{local: true, info: %{locked: true}}) do
     {:ok, follower}
   end
@@ -324,14 +350,6 @@ defmodule Pleroma.User do
     end
   end
 
-  def maybe_follow(%User{} = follower, %User{info: _info} = followed) do
-    if not following?(follower, followed) do
-      follow(follower, followed)
-    else
-      {:ok, follower}
-    end
-  end
-
   @doc "A mass follow for local users. Respects blocks in both directions but does not create activities."
   @spec follow_all(User.t(), list(User.t())) :: {atom(), User.t()}
   def follow_all(follower, followeds) do
@@ -370,8 +388,8 @@ defmodule Pleroma.User do
     ap_followers = followed.follower_address
 
     cond do
-      following?(follower, followed) or info.deactivated ->
-        {:error, "Could not follow user: #{followed.nickname} is already on your list."}
+      info.deactivated ->
+        {:error, "Could not follow user: You are deactivated."}
 
       deny_follow_blocked and blocks?(followed, follower) ->
         {:error, "Could not follow user: #{followed.nickname} blocked you."}
@@ -390,6 +408,8 @@ defmodule Pleroma.User do
 
         {1, [follower]} = Repo.update_all(q, [])
 
+        follower = maybe_update_following_count(follower)
+
         {:ok, _} = update_follower_count(followed)
 
         set_cache(follower)
@@ -409,6 +429,8 @@ defmodule Pleroma.User do
 
       {1, [follower]} = Repo.update_all(q, [])
 
+      follower = maybe_update_following_count(follower)
+
       {:ok, followed} = update_follower_count(followed)
 
       set_cache(follower)
@@ -457,7 +479,7 @@ defmodule Pleroma.User do
   end
 
   def update_and_set_cache(changeset) do
-    with {:ok, user} <- Repo.update(changeset) do
+    with {:ok, user} <- Repo.update(changeset, stale_error_field: :id) do
       set_cache(user)
     else
       e -> e
@@ -572,12 +594,23 @@ defmodule Pleroma.User do
   @spec get_followers_query(User.t()) :: Ecto.Query.t()
   def get_followers_query(user), do: get_followers_query(user, nil)
 
+  @spec get_followers(User.t(), pos_integer()) :: {:ok, list(User.t())}
   def get_followers(user, page \\ nil) do
     q = get_followers_query(user, page)
 
     {:ok, Repo.all(q)}
   end
 
+  @spec get_external_followers(User.t(), pos_integer()) :: {:ok, list(User.t())}
+  def get_external_followers(user, page \\ nil) do
+    q =
+      user
+      |> get_followers_query(page)
+      |> User.Query.build(%{external: true})
+
+    {:ok, Repo.all(q)}
+  end
+
   def get_followers_ids(user, page \\ nil) do
     q = get_followers_query(user, page)
 
@@ -682,32 +715,73 @@ defmodule Pleroma.User do
     |> update_and_set_cache()
   end
 
+  def maybe_fetch_follow_information(user) do
+    with {:ok, user} <- fetch_follow_information(user) do
+      user
+    else
+      e ->
+        Logger.error("Follower/Following counter update for #{user.ap_id} failed.\n#{inspect(e)}")
+
+        user
+    end
+  end
+
+  def fetch_follow_information(user) do
+    with {:ok, info} <- ActivityPub.fetch_follow_information_for_user(user) do
+      info_cng = User.Info.follow_information_update(user.info, info)
+
+      changeset =
+        user
+        |> change()
+        |> put_embed(:info, info_cng)
+
+      update_and_set_cache(changeset)
+    else
+      {:error, _} = e -> e
+      e -> {:error, e}
+    end
+  end
+
   def update_follower_count(%User{} = user) do
-    follower_count_query =
-      User.Query.build(%{followers: user, deactivated: false})
-      |> select([u], %{count: count(u.id)})
+    if user.local or !Pleroma.Config.get([:instance, :external_user_synchronization]) do
+      follower_count_query =
+        User.Query.build(%{followers: user, deactivated: false})
+        |> select([u], %{count: count(u.id)})
+
+      User
+      |> where(id: ^user.id)
+      |> join(:inner, [u], s in subquery(follower_count_query))
+      |> update([u, s],
+        set: [
+          info:
+            fragment(
+              "jsonb_set(?, '{follower_count}', ?::varchar::jsonb, true)",
+              u.info,
+              s.count
+            )
+        ]
+      )
+      |> select([u], u)
+      |> Repo.update_all([])
+      |> case do
+        {1, [user]} -> set_cache(user)
+        _ -> {:error, user}
+      end
+    else
+      {:ok, maybe_fetch_follow_information(user)}
+    end
+  end
 
-    User
-    |> where(id: ^user.id)
-    |> join(:inner, [u], s in subquery(follower_count_query))
-    |> update([u, s],
-      set: [
-        info:
-          fragment(
-            "jsonb_set(?, '{follower_count}', ?::varchar::jsonb, true)",
-            u.info,
-            s.count
-          )
-      ]
-    )
-    |> select([u], u)
-    |> Repo.update_all([])
-    |> case do
-      {1, [user]} -> set_cache(user)
-      _ -> {:error, user}
+  def maybe_update_following_count(%User{local: false} = user) do
+    if Pleroma.Config.get([:instance, :external_user_synchronization]) do
+      {:ok, maybe_fetch_follow_information(user)}
+    else
+      user
     end
   end
 
+  def maybe_update_following_count(user), do: user
+
   def remove_duplicated_following(%User{following: following} = user) do
     uniq_following = Enum.uniq(following)
 
@@ -735,126 +809,13 @@ defmodule Pleroma.User do
     |> Repo.all()
   end
 
-  def search(query, resolve \\ false, for_user \\ nil) do
-    # Strip the beginning @ off if there is a query
-    query = String.trim_leading(query, "@")
-
-    if resolve, do: get_or_fetch(query)
-
-    {:ok, results} =
-      Repo.transaction(fn ->
-        Ecto.Adapters.SQL.query(Repo, "select set_limit(0.25)", [])
-        Repo.all(search_query(query, for_user))
-      end)
-
-    results
-  end
-
-  def search_query(query, for_user) do
-    fts_subquery = fts_search_subquery(query)
-    trigram_subquery = trigram_search_subquery(query)
-    union_query = from(s in trigram_subquery, union_all: ^fts_subquery)
-    distinct_query = from(s in subquery(union_query), order_by: s.search_type, distinct: s.id)
-
-    from(s in subquery(boost_search_rank_query(distinct_query, for_user)),
-      order_by: [desc: s.search_rank],
-      limit: 40
-    )
-  end
-
-  defp boost_search_rank_query(query, nil), do: query
-
-  defp boost_search_rank_query(query, for_user) do
-    friends_ids = get_friends_ids(for_user)
-    followers_ids = get_followers_ids(for_user)
+  @spec mute(User.t(), User.t(), boolean()) :: {:ok, User.t()} | {:error, String.t()}
+  def mute(muter, %User{ap_id: ap_id}, notifications? \\ true) do
+    info = muter.info
 
-    from(u in subquery(query),
-      select_merge: %{
-        search_rank:
-          fragment(
-            """
-             CASE WHEN (?) THEN (?) * 1.3
-             WHEN (?) THEN (?) * 1.2
-             WHEN (?) THEN (?) * 1.1
-             ELSE (?) END
-            """,
-            u.id in ^friends_ids and u.id in ^followers_ids,
-            u.search_rank,
-            u.id in ^friends_ids,
-            u.search_rank,
-            u.id in ^followers_ids,
-            u.search_rank,
-            u.search_rank
-          )
-      }
-    )
-  end
-
-  defp fts_search_subquery(term, query \\ User) do
-    processed_query =
-      term
-      |> String.replace(~r/\W+/, " ")
-      |> String.trim()
-      |> String.split()
-      |> Enum.map(&(&1 <> ":*"))
-      |> Enum.join(" | ")
-
-    from(
-      u in query,
-      select_merge: %{
-        search_type: ^0,
-        search_rank:
-          fragment(
-            """
-            ts_rank_cd(
-              setweight(to_tsvector('simple', regexp_replace(?, '\\W', ' ', 'g')), 'A') ||
-              setweight(to_tsvector('simple', regexp_replace(coalesce(?, ''), '\\W', ' ', 'g')), 'B'),
-              to_tsquery('simple', ?),
-              32
-            )
-            """,
-            u.nickname,
-            u.name,
-            ^processed_query
-          )
-      },
-      where:
-        fragment(
-          """
-            (setweight(to_tsvector('simple', regexp_replace(?, '\\W', ' ', 'g')), 'A') ||
-            setweight(to_tsvector('simple', regexp_replace(coalesce(?, ''), '\\W', ' ', 'g')), 'B')) @@ to_tsquery('simple', ?)
-          """,
-          u.nickname,
-          u.name,
-          ^processed_query
-        )
-    )
-    |> restrict_deactivated()
-  end
-
-  defp trigram_search_subquery(term) do
-    from(
-      u in User,
-      select_merge: %{
-        # ^1 gives 'Postgrex expected a binary, got 1' for some weird reason
-        search_type: fragment("?", 1),
-        search_rank:
-          fragment(
-            "similarity(?, trim(? || ' ' || coalesce(?, '')))",
-            ^term,
-            u.nickname,
-            u.name
-          )
-      },
-      where: fragment("trim(? || ' ' || coalesce(?, '')) % ?", u.nickname, u.name, ^term)
-    )
-    |> restrict_deactivated()
-  end
-
-  def mute(muter, %User{ap_id: ap_id}) do
     info_cng =
-      muter.info
-      |> User.Info.add_to_mutes(ap_id)
+      User.Info.add_to_mutes(info, ap_id)
+      |> User.Info.add_to_muted_notifications(info, ap_id, notifications?)
 
     cng =
       change(muter)
@@ -864,9 +825,11 @@ defmodule Pleroma.User do
   end
 
   def unmute(muter, %{ap_id: ap_id}) do
+    info = muter.info
+
     info_cng =
-      muter.info
-      |> User.Info.remove_from_mutes(ap_id)
+      User.Info.remove_from_mutes(info, ap_id)
+      |> User.Info.remove_from_muted_notifications(info, ap_id)
 
     cng =
       change(muter)
@@ -962,17 +925,32 @@ 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
-    %{host: host} = URI.parse(ap_id)
+  @spec muted_notifications?(User.t() | nil, User.t() | map()) :: boolean()
+  def muted_notifications?(nil, _), do: false
 
-    Enum.member?(blocks, ap_id) ||
-      Enum.any?(domain_blocks, fn domain ->
-        host == domain
-      end)
+  def muted_notifications?(user, %{ap_id: ap_id}),
+    do: Enum.member?(user.info.muted_notifications, ap_id)
+
+  def blocks?(%User{} = user, %User{} = target) do
+    blocks_ap_id?(user, target) || blocks_domain?(user, target)
+  end
+
+  def blocks?(nil, _), do: false
+
+  def blocks_ap_id?(%User{} = user, %User{} = target) do
+    Enum.member?(user.info.blocks, target.ap_id)
+  end
+
+  def blocks_ap_id?(_, _), do: false
+
+  def blocks_domain?(%User{} = user, %User{} = target) do
+    domain_blocks = Pleroma.Web.ActivityPub.MRF.subdomains_regex(user.info.domain_blocks)
+    %{host: host} = URI.parse(target.ap_id)
+    Pleroma.Web.ActivityPub.MRF.subdomain_match?(domain_blocks, host)
   end
 
+  def blocks_domain?(_, _), do: false
+
   def subscribed_to?(user, %{ap_id: ap_id}) do
     with %User{} = target <- get_cached_by_ap_id(ap_id) do
       Enum.member?(target.info.subscribers, user.ap_id)
@@ -1056,18 +1034,26 @@ defmodule Pleroma.User do
 
   @spec perform(atom(), User.t()) :: {:ok, User.t()}
   def perform(:delete, %User{} = user) do
-    {:ok, user} = User.deactivate(user)
+    {:ok, _user} = ActivityPub.delete(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)
+    invalidate_cache(user)
+    Repo.delete(user)
   end
 
   @spec perform(atom(), User.t()) :: {:ok, User.t()}
@@ -1123,6 +1109,34 @@ defmodule Pleroma.User do
     )
   end
 
+  @spec external_users_query() :: Ecto.Query.t()
+  def external_users_query do
+    User.Query.build(%{
+      external: true,
+      active: true,
+      order_by: :id
+    })
+  end
+
+  @spec external_users(keyword()) :: [User.t()]
+  def external_users(opts \\ []) do
+    query =
+      external_users_query()
+      |> select([u], struct(u, [: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__, [
@@ -1140,18 +1154,35 @@ 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"
@@ -1160,9 +1191,7 @@ defmodule Pleroma.User do
     Pleroma.HTML.Scrubber.TwitterText
   end
 
-  @default_scrubbers Pleroma.Config.get([:markup, :scrub_policy])
-
-  def html_filter_policy(_), do: @default_scrubbers
+  def html_filter_policy(_), do: Pleroma.Config.get([:markup, :scrub_policy])
 
   def fetch_by_ap_id(ap_id) do
     ap_try = ActivityPub.make_user_from_ap_id(ap_id)
@@ -1200,19 +1229,18 @@ defmodule Pleroma.User do
     end
   end
 
-  def get_or_create_instance_user do
-    relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"
-
-    if user = get_cached_by_ap_id(relay_uri) do
+  @doc "Creates an internal service actor by URI if missing.  Optionally takes nickname for addressing."
+  def get_or_create_service_actor_by_ap_id(uri, nickname \\ nil) do
+    if user = get_cached_by_ap_id(uri) do
       user
     else
       changes =
         %User{info: %User.Info{}}
         |> cast(%{}, [:ap_id, :nickname, :local])
-        |> put_change(:ap_id, relay_uri)
-        |> put_change(:nickname, nil)
+        |> put_change(:ap_id, uri)
+        |> put_change(:nickname, nickname)
         |> put_change(:local, true)
-        |> put_change(:follower_address, relay_uri <> "/followers")
+        |> put_change(:follower_address, uri <> "/followers")
 
       {:ok, user} = Repo.insert(changes)
       user
@@ -1233,10 +1261,12 @@ defmodule Pleroma.User do
   end
 
   # OStatus Magic Key
-  def public_key_from_info(%{magic_key: magic_key}) do
+  def public_key_from_info(%{magic_key: magic_key}) when not is_nil(magic_key) do
     {:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
   end
 
+  def public_key_from_info(_), do: {:error, "not found key"}
+
   def get_public_key_for_ap_id(ap_id) do
     with {:ok, %User{} = user} <- get_or_fetch_by_ap_id(ap_id),
          {:ok, public_key} <- public_key_from_info(user.info) do
@@ -1253,7 +1283,7 @@ defmodule Pleroma.User do
     data
     |> Map.put(:name, blank?(data[:name]) || data[:nickname])
     |> remote_user_creation()
-    |> Repo.insert(on_conflict: :replace_all, conflict_target: :nickname)
+    |> Repo.insert(on_conflict: :replace_all_except_primary_key, conflict_target: :nickname)
     |> set_cache()
   end
 
@@ -1422,23 +1452,38 @@ defmodule Pleroma.User do
     }
   end
 
-  def ensure_keys_present(user) do
-    info = user.info
-
+  def ensure_keys_present(%User{info: info} = user) do
     if info.keys do
       {:ok, user}
     else
       {:ok, pem} = Keys.generate_rsa_pem()
 
-      info_cng =
-        info
-        |> User.Info.set_keys(pem)
+      user
+      |> Ecto.Changeset.change()
+      |> Ecto.Changeset.put_embed(:info, User.Info.set_keys(info, pem))
+      |> update_and_set_cache()
+    end
+  end
+
+  def get_ap_ids_by_nicknames(nicknames) do
+    from(u in User,
+      where: u.nickname in ^nicknames,
+      select: u.ap_id
+    )
+    |> Repo.all()
+  end
 
-      cng =
-        Ecto.Changeset.change(user)
-        |> Ecto.Changeset.put_embed(:info, info_cng)
+  defdelegate search(query, opts \\ []), to: User.Search
 
-      update_and_set_cache(cng)
-    end
+  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
+
+  def is_internal_user?(%User{nickname: nil}), do: true
+  def is_internal_user?(%User{local: true, nickname: "internal." <> _}), do: true
+  def is_internal_user?(_), do: false
 end