From bf4b5f385631840a0ae25c9214a4e2d39413b1fc Mon Sep 17 00:00:00 2001
From: Haelwenn <contact+git.pleroma.social@hacktivis.me>
Date: Wed, 22 Apr 2020 15:46:04 +0000
Subject: [PATCH] Merge branch 'fix/follow-and-blocks-import' into 'develop'

Fix follower/blocks import when nicknames starts with @

Closes #1698

See merge request pleroma/pleroma!2416
---
 .../controllers/util_controller.ex            | 26 +++++-----
 lib/pleroma/workers/background_worker.ex      |  4 +-
 test/user_test.exs                            |  4 +-
 test/web/twitter_api/util_controller_test.exs | 47 +++++++++++++++++++
 4 files changed, 64 insertions(+), 17 deletions(-)

diff --git a/lib/pleroma/web/twitter_api/controllers/util_controller.ex b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
index bca0e26eb..1873d78df 100644
--- a/lib/pleroma/web/twitter_api/controllers/util_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
@@ -197,15 +197,16 @@ def follow_import(conn, %{"list" => %Plug.Upload{} = listfile}) do
   end
 
   def follow_import(%{assigns: %{user: follower}} = conn, %{"list" => list}) do
-    with lines <- String.split(list, "\n"),
-         followed_identifiers <-
-           Enum.map(lines, fn line ->
-             String.split(line, ",") |> List.first()
-           end)
-           |> List.delete("Account address") do
-      User.follow_import(follower, followed_identifiers)
-      json(conn, "job started")
-    end
+    followed_identifiers =
+      list
+      |> String.split("\n")
+      |> Enum.map(&(&1 |> String.split(",") |> List.first()))
+      |> List.delete("Account address")
+      |> Enum.map(&(&1 |> String.trim() |> String.trim_leading("@")))
+      |> Enum.reject(&(&1 == ""))
+
+    User.follow_import(follower, followed_identifiers)
+    json(conn, "job started")
   end
 
   def blocks_import(conn, %{"list" => %Plug.Upload{} = listfile}) do
@@ -213,10 +214,9 @@ def blocks_import(conn, %{"list" => %Plug.Upload{} = listfile}) do
   end
 
   def blocks_import(%{assigns: %{user: blocker}} = conn, %{"list" => list}) do
-    with blocked_identifiers <- String.split(list) do
-      User.blocks_import(blocker, blocked_identifiers)
-      json(conn, "job started")
-    end
+    blocked_identifiers = list |> String.split() |> Enum.map(&String.trim_leading(&1, "@"))
+    User.blocks_import(blocker, blocked_identifiers)
+    json(conn, "job started")
   end
 
   def change_password(%{assigns: %{user: user}} = conn, params) do
diff --git a/lib/pleroma/workers/background_worker.ex b/lib/pleroma/workers/background_worker.ex
index 0f8ece2c4..57c3a9c3a 100644
--- a/lib/pleroma/workers/background_worker.ex
+++ b/lib/pleroma/workers/background_worker.ex
@@ -35,7 +35,7 @@ def perform(
         _job
       ) do
     blocker = User.get_cached_by_id(blocker_id)
-    User.perform(:blocks_import, blocker, blocked_identifiers)
+    {:ok, User.perform(:blocks_import, blocker, blocked_identifiers)}
   end
 
   def perform(
@@ -47,7 +47,7 @@ def perform(
         _job
       ) do
     follower = User.get_cached_by_id(follower_id)
-    User.perform(:follow_import, follower, followed_identifiers)
+    {:ok, User.perform(:follow_import, follower, followed_identifiers)}
   end
 
   def perform(%{"op" => "media_proxy_preload", "message" => message}, _job) do
diff --git a/test/user_test.exs b/test/user_test.exs
index 555bbb92f..c48821a3c 100644
--- a/test/user_test.exs
+++ b/test/user_test.exs
@@ -760,8 +760,8 @@ test "it imports user followings from list" do
       ]
 
       {:ok, job} = User.follow_import(user1, identifiers)
-      result = ObanHelpers.perform(job)
 
+      assert {:ok, result} = ObanHelpers.perform(job)
       assert is_list(result)
       assert result == [user2, user3]
     end
@@ -983,8 +983,8 @@ test "it imports user blocks from list" do
       ]
 
       {:ok, job} = User.blocks_import(user1, identifiers)
-      result = ObanHelpers.perform(job)
 
+      assert {:ok, result} = ObanHelpers.perform(job)
       assert is_list(result)
       assert result == [user2, user3]
     end
diff --git a/test/web/twitter_api/util_controller_test.exs b/test/web/twitter_api/util_controller_test.exs
index d464ce215..77c2d2892 100644
--- a/test/web/twitter_api/util_controller_test.exs
+++ b/test/web/twitter_api/util_controller_test.exs
@@ -94,6 +94,30 @@ test "requires 'follow' or 'write:follows' permissions" do
         end
       end
     end
+
+    test "it imports follows with different nickname variations", %{conn: conn} do
+      [user2, user3, user4, user5, user6] = insert_list(5, :user)
+
+      identifiers =
+        [
+          user2.ap_id,
+          user3.nickname,
+          "  ",
+          "@" <> user4.nickname,
+          user5.nickname <> "@localhost",
+          "@" <> user6.nickname <> "@localhost"
+        ]
+        |> Enum.join("\n")
+
+      response =
+        conn
+        |> post("/api/pleroma/follow_import", %{"list" => identifiers})
+        |> json_response(:ok)
+
+      assert response == "job started"
+      assert [{:ok, job_result}] = ObanHelpers.perform_all()
+      assert job_result == [user2, user3, user4, user5, user6]
+    end
   end
 
   describe "POST /api/pleroma/blocks_import" do
@@ -135,6 +159,29 @@ test "it imports blocks users from file", %{user: user1, conn: conn} do
                )
       end
     end
+
+    test "it imports blocks with different nickname variations", %{conn: conn} do
+      [user2, user3, user4, user5, user6] = insert_list(5, :user)
+
+      identifiers =
+        [
+          user2.ap_id,
+          user3.nickname,
+          "@" <> user4.nickname,
+          user5.nickname <> "@localhost",
+          "@" <> user6.nickname <> "@localhost"
+        ]
+        |> Enum.join(" ")
+
+      response =
+        conn
+        |> post("/api/pleroma/blocks_import", %{"list" => identifiers})
+        |> json_response(:ok)
+
+      assert response == "job started"
+      assert [{:ok, job_result}] = ObanHelpers.perform_all()
+      assert job_result == [user2, user3, user4, user5, user6]
+    end
   end
 
   describe "PUT /api/pleroma/notification_settings" do