Merge remote-tracking branch 'pleroma/develop' into feature/addressable-lists

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -8,6 +8,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.Conversation
   alias Pleroma.Notification
   alias Pleroma.Object
+  alias Pleroma.Object.Containment
   alias Pleroma.Object.Fetcher
   alias Pleroma.Pagination
   alias Pleroma.Repo
@@ -125,6 +126,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
          {:ok, map} <- MRF.filter(map),
          {recipients, _, _} = get_recipients(map),
          {:fake, false, map, recipients} <- {:fake, fake, map, recipients},
+         :ok <- Containment.contain_child(map),
          {:ok, map, object} <- insert_full_object(map) do
       {:ok, activity} =
         Repo.insert(%Activity{
@@ -1011,6 +1013,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
       avatar: avatar,
       name: data["name"],
       follower_address: data["followers"],
+      following_address: data["following"],
       bio: data["summary"]
     }
 

lib/pleroma/web/activity_pub/activity_pub_controller.ex

@@ -103,43 +103,57 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     end
   end
 
-  def following(conn, %{"nickname" => nickname, "page" => page}) do
+  def following(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- User.ensure_keys_present(user) do
+         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user),
+         {:show_follows, true} <-
+           {:show_follows, (for_user && for_user == user) || !user.info.hide_follows} do
       {page, _} = Integer.parse(page)
 
       conn
       |> put_resp_header("content-type", "application/activity+json")
-      |> json(UserView.render("following.json", %{user: user, page: page}))
+      |> json(UserView.render("following.json", %{user: user, page: page, for: for_user}))
+    else
+      {:show_follows, _} ->
+        conn
+        |> put_resp_header("content-type", "application/activity+json")
+        |> send_resp(403, "")
     end
   end
 
-  def following(conn, %{"nickname" => nickname}) do
+  def following(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- User.ensure_keys_present(user) do
+         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
-      |> json(UserView.render("following.json", %{user: user}))
+      |> json(UserView.render("following.json", %{user: user, for: for_user}))
     end
   end
 
-  def followers(conn, %{"nickname" => nickname, "page" => page}) do
+  def followers(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- User.ensure_keys_present(user) do
+         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user),
+         {:show_followers, true} <-
+           {:show_followers, (for_user && for_user == user) || !user.info.hide_followers} do
       {page, _} = Integer.parse(page)
 
       conn
       |> put_resp_header("content-type", "application/activity+json")
-      |> json(UserView.render("followers.json", %{user: user, page: page}))
+      |> json(UserView.render("followers.json", %{user: user, page: page, for: for_user}))
+    else
+      {:show_followers, _} ->
+        conn
+        |> put_resp_header("content-type", "application/activity+json")
+        |> send_resp(403, "")
     end
   end
 
-  def followers(conn, %{"nickname" => nickname}) do
+  def followers(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- User.ensure_keys_present(user) do
+         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
-      |> json(UserView.render("followers.json", %{user: user}))
+      |> json(UserView.render("followers.json", %{user: user, for: for_user}))
     end
   end
 
@@ -325,4 +339,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
     conn
   end
+
+  defp ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
+    {:ok, new_user} = User.ensure_keys_present(user)
+
+    for_user =
+      if new_user != user and match?(%User{}, for_user) do
+        User.get_cached_by_nickname(for_user.nickname)
+      else
+        for_user
+      end
+
+    {new_user, for_user}
+  end
 end

lib/pleroma/web/activity_pub/transmogrifier.ex

@@ -1090,6 +1090,10 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
         PleromaJobQueue.enqueue(:transmogrifier, __MODULE__, [:user_upgrade, user])
       end
 
+      if Pleroma.Config.get([:instance, :external_user_synchronization]) do
+        update_following_followers_counters(user)
+      end
+
       {:ok, user}
     else
       %User{} = user -> {:ok, user}
@@ -1122,4 +1126,27 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     data
     |> maybe_fix_user_url
   end
+
+  def update_following_followers_counters(user) do
+    info = %{}
+
+    following = fetch_counter(user.following_address)
+    info = if following, do: Map.put(info, :following_count, following), else: info
+
+    followers = fetch_counter(user.follower_address)
+    info = if followers, do: Map.put(info, :follower_count, followers), else: info
+
+    User.set_info_cache(user, info)
+  end
+
+  defp fetch_counter(url) do
+    with {:ok, %{body: body, status: code}} when code in 200..299 <-
+           Pleroma.HTTP.get(
+             url,
+             [{:Accept, "application/activity+json"}]
+           ),
+         {:ok, data} <- Jason.decode(body) do
+      data["totalItems"]
+    end
+  end
 end

lib/pleroma/web/activity_pub/views/user_view.ex

@@ -98,29 +98,31 @@ defmodule Pleroma.Web.ActivityPub.UserView do
     |> Map.merge(Utils.make_json_ld_header())
   end
 
-  def render("following.json", %{user: user, page: page}) do
+  def render("following.json", %{user: user, page: page} = opts) do
+    showing = (opts[:for] && opts[:for] == user) || !user.info.hide_follows
     query = User.get_friends_query(user)
     query = from(user in query, select: [:ap_id])
     following = Repo.all(query)
 
     total =
-      if !user.info.hide_follows do
+      if showing do
         length(following)
       else
         0
       end
 
-    collection(following, "#{user.ap_id}/following", page, !user.info.hide_follows, total)
+    collection(following, "#{user.ap_id}/following", page, showing, total)
     |> Map.merge(Utils.make_json_ld_header())
   end
 
-  def render("following.json", %{user: user}) do
+  def render("following.json", %{user: user} = opts) do
+    showing = (opts[:for] && opts[:for] == user) || !user.info.hide_follows
     query = User.get_friends_query(user)
     query = from(user in query, select: [:ap_id])
     following = Repo.all(query)
 
     total =
-      if !user.info.hide_follows do
+      if showing do
         length(following)
       else
         0
@@ -130,34 +132,43 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       "id" => "#{user.ap_id}/following",
       "type" => "OrderedCollection",
       "totalItems" => total,
-      "first" => collection(following, "#{user.ap_id}/following", 1, !user.info.hide_follows)
+      "first" =>
+        if showing do
+          collection(following, "#{user.ap_id}/following", 1, !user.info.hide_follows)
+        else
+          "#{user.ap_id}/following?page=1"
+        end
     }
     |> Map.merge(Utils.make_json_ld_header())
   end
 
-  def render("followers.json", %{user: user, page: page}) do
+  def render("followers.json", %{user: user, page: page} = opts) do
+    showing = (opts[:for] && opts[:for] == user) || !user.info.hide_followers
+
     query = User.get_followers_query(user)
     query = from(user in query, select: [:ap_id])
     followers = Repo.all(query)
 
     total =
-      if !user.info.hide_followers do
+      if showing do
         length(followers)
       else
         0
       end
 
-    collection(followers, "#{user.ap_id}/followers", page, !user.info.hide_followers, total)
+    collection(followers, "#{user.ap_id}/followers", page, showing, total)
     |> Map.merge(Utils.make_json_ld_header())
   end
 
-  def render("followers.json", %{user: user}) do
+  def render("followers.json", %{user: user} = opts) do
+    showing = (opts[:for] && opts[:for] == user) || !user.info.hide_followers
+
     query = User.get_followers_query(user)
     query = from(user in query, select: [:ap_id])
     followers = Repo.all(query)
 
     total =
-      if !user.info.hide_followers do
+      if showing do
         length(followers)
       else
         0
@@ -168,7 +179,11 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       "type" => "OrderedCollection",
       "totalItems" => total,
       "first" =>
-        collection(followers, "#{user.ap_id}/followers", 1, !user.info.hide_followers, total)
+        if showing do
+          collection(followers, "#{user.ap_id}/followers", 1, showing, total)
+        else
+          "#{user.ap_id}/followers?page=1"
+        end
     }
     |> Map.merge(Utils.make_json_ld_header())
   end