Merge branch 'feature/hide-follows-remote' into 'develop'

Refactor Follows/Followers counter syncronization and set hide_followers/hide_follows for remote users

See merge request pleroma/pleroma!1411

test/fixtures/users_mock/masto_closed_followers_page.json

@@ -0,0 +1 @@
+{"@context":"https://www.w3.org/ns/activitystreams","id":"http://localhost:4001/users/masto_closed/followers?page=1","type":"OrderedCollectionPage","totalItems":437,"next":"http://localhost:4001/users/masto_closed/followers?page=2","partOf":"http://localhost:4001/users/masto_closed/followers","orderedItems":["https://testing.uguu.ltd/users/rin","https://patch.cx/users/rin","https://letsalllovela.in/users/xoxo","https://pleroma.site/users/crushv","https://aria.company/users/boris","https://kawen.space/users/crushv","https://freespeech.host/users/cvcvcv","https://pleroma.site/users/picpub","https://pixelfed.social/users/nosleep","https://boopsnoot.gq/users/5c1896d162f7d337f90492a3","https://pikachu.rocks/users/waifu","https://royal.crablettesare.life/users/crablettes"]}

test/fixtures/users_mock/masto_closed_following_page.json

@@ -0,0 +1 @@
+{"@context":"https://www.w3.org/ns/activitystreams","id":"http://localhost:4001/users/masto_closed/following?page=1","type":"OrderedCollectionPage","totalItems":152,"next":"http://localhost:4001/users/masto_closed/following?page=2","partOf":"http://localhost:4001/users/masto_closed/following","orderedItems":["https://testing.uguu.ltd/users/rin","https://patch.cx/users/rin","https://letsalllovela.in/users/xoxo","https://pleroma.site/users/crushv","https://aria.company/users/boris","https://kawen.space/users/crushv","https://freespeech.host/users/cvcvcv","https://pleroma.site/users/picpub","https://pixelfed.social/users/nosleep","https://boopsnoot.gq/users/5c1896d162f7d337f90492a3","https://pikachu.rocks/users/waifu","https://royal.crablettesare.life/users/crablettes"]}

test/support/http_request_mock.ex

@@ -796,6 +796,14 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get("http://localhost:4001/users/masto_closed/followers?page=1", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: File.read!("test/fixtures/users_mock/masto_closed_followers_page.json")
+     }}
+  end
+
   def get("http://localhost:4001/users/masto_closed/following", _, _, _) do
     {:ok,
      %Tesla.Env{
@@ -804,6 +812,14 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get("http://localhost:4001/users/masto_closed/following?page=1", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: File.read!("test/fixtures/users_mock/masto_closed_following_page.json")
+     }}
+  end
+
   def get("http://localhost:4001/users/fuser2/followers", _, _, _) do
     {:ok,
      %Tesla.Env{

test/user_test.exs

@@ -1393,4 +1393,78 @@ defmodule Pleroma.UserTest do
       assert %User{bio: "test-bio"} = User.get_cached_by_ap_id(user.ap_id)
     end
   end
+
+  describe "following/followers synchronization" do
+    setup do
+      sync = Pleroma.Config.get([:instance, :external_user_synchronization])
+      on_exit(fn -> Pleroma.Config.put([:instance, :external_user_synchronization], sync) end)
+    end
+
+    test "updates the counters normally on following/getting a follow when disabled" do
+      Pleroma.Config.put([:instance, :external_user_synchronization], false)
+      user = insert(:user)
+
+      other_user =
+        insert(:user,
+          local: false,
+          follower_address: "http://localhost:4001/users/masto_closed/followers",
+          following_address: "http://localhost:4001/users/masto_closed/following",
+          info: %{ap_enabled: true}
+        )
+
+      assert User.user_info(other_user).following_count == 0
+      assert User.user_info(other_user).follower_count == 0
+
+      {:ok, user} = Pleroma.User.follow(user, other_user)
+      other_user = Pleroma.User.get_by_id(other_user.id)
+
+      assert User.user_info(user).following_count == 1
+      assert User.user_info(other_user).follower_count == 1
+    end
+
+    test "syncronizes the counters with the remote instance for the followed when enabled" do
+      Pleroma.Config.put([:instance, :external_user_synchronization], false)
+
+      user = insert(:user)
+
+      other_user =
+        insert(:user,
+          local: false,
+          follower_address: "http://localhost:4001/users/masto_closed/followers",
+          following_address: "http://localhost:4001/users/masto_closed/following",
+          info: %{ap_enabled: true}
+        )
+
+      assert User.user_info(other_user).following_count == 0
+      assert User.user_info(other_user).follower_count == 0
+
+      Pleroma.Config.put([:instance, :external_user_synchronization], true)
+      {:ok, _user} = User.follow(user, other_user)
+      other_user = User.get_by_id(other_user.id)
+
+      assert User.user_info(other_user).follower_count == 437
+    end
+
+    test "syncronizes the counters with the remote instance for the follower when enabled" do
+      Pleroma.Config.put([:instance, :external_user_synchronization], false)
+
+      user = insert(:user)
+
+      other_user =
+        insert(:user,
+          local: false,
+          follower_address: "http://localhost:4001/users/masto_closed/followers",
+          following_address: "http://localhost:4001/users/masto_closed/following",
+          info: %{ap_enabled: true}
+        )
+
+      assert User.user_info(other_user).following_count == 0
+      assert User.user_info(other_user).follower_count == 0
+
+      Pleroma.Config.put([:instance, :external_user_synchronization], true)
+      {:ok, other_user} = User.follow(other_user, user)
+
+      assert User.user_info(other_user).following_count == 152
+    end
+  end
 end

test/web/activity_pub/activity_pub_test.exs

@@ -1128,4 +1128,65 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
       assert result.id == activity.id
     end
   end
+
+  describe "fetch_follow_information_for_user" do
+    test "syncronizes following/followers counters" do
+      user =
+        insert(:user,
+          local: false,
+          follower_address: "http://localhost:4001/users/fuser2/followers",
+          following_address: "http://localhost:4001/users/fuser2/following"
+        )
+
+      {:ok, info} = ActivityPub.fetch_follow_information_for_user(user)
+      assert info.follower_count == 527
+      assert info.following_count == 267
+    end
+
+    test "detects hidden followers" do
+      mock(fn env ->
+        case env.url do
+          "http://localhost:4001/users/masto_closed/followers?page=1" ->
+            %Tesla.Env{status: 403, body: ""}
+
+          _ ->
+            apply(HttpRequestMock, :request, [env])
+        end
+      end)
+
+      user =
+        insert(:user,
+          local: false,
+          follower_address: "http://localhost:4001/users/masto_closed/followers",
+          following_address: "http://localhost:4001/users/masto_closed/following"
+        )
+
+      {:ok, info} = ActivityPub.fetch_follow_information_for_user(user)
+      assert info.hide_followers == true
+      assert info.hide_follows == false
+    end
+
+    test "detects hidden follows" do
+      mock(fn env ->
+        case env.url do
+          "http://localhost:4001/users/masto_closed/following?page=1" ->
+            %Tesla.Env{status: 403, body: ""}
+
+          _ ->
+            apply(HttpRequestMock, :request, [env])
+        end
+      end)
+
+      user =
+        insert(:user,
+          local: false,
+          follower_address: "http://localhost:4001/users/masto_closed/followers",
+          following_address: "http://localhost:4001/users/masto_closed/following"
+        )
+
+      {:ok, info} = ActivityPub.fetch_follow_information_for_user(user)
+      assert info.hide_followers == false
+      assert info.hide_follows == true
+    end
+  end
 end

test/web/activity_pub/transmogrifier_test.exs

@@ -1373,32 +1373,4 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       refute recipient.follower_address in fixed_object["to"]
     end
   end
-
-  test "update_following_followers_counters/1" do
-    user1 =
-      insert(:user,
-        local: false,
-        follower_address: "http://localhost:4001/users/masto_closed/followers",
-        following_address: "http://localhost:4001/users/masto_closed/following"
-      )
-
-    user2 =
-      insert(:user,
-        local: false,
-        follower_address: "http://localhost:4001/users/fuser2/followers",
-        following_address: "http://localhost:4001/users/fuser2/following"
-      )
-
-    Transmogrifier.update_following_followers_counters(user1)
-    Transmogrifier.update_following_followers_counters(user2)
-
-    %{follower_count: followers, following_count: following} = User.get_cached_user_info(user1)
-    assert followers == 437
-    assert following == 152
-
-    %{follower_count: followers, following_count: following} = User.get_cached_user_info(user2)
-
-    assert followers == 527
-    assert following == 267
-  end
 end