Pleroma/test/web/mastodon_api/controllers/account_controller_test.exs

# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only

defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
  use Pleroma.Web.ConnCase

  alias Pleroma.Config
  alias Pleroma.Repo
  alias Pleroma.User
  alias Pleroma.Web.ActivityPub.ActivityPub
  alias Pleroma.Web.ActivityPub.InternalFetchActor
  alias Pleroma.Web.CommonAPI
  alias Pleroma.Web.OAuth.Token

  import Pleroma.Factory

  describe "account fetching" do
    setup do: clear_config([:instance, :limit_to_local_content])

    test "works by id" do
      %User{id: user_id} = insert(:user)

      assert %{"id" => ^user_id} =
               build_conn()
               |> get("/api/v1/accounts/#{user_id}")
               |> json_response_and_validate_schema(200)

      assert %{"error" => "Can't find user"} =
               build_conn()
               |> get("/api/v1/accounts/-1")
               |> json_response_and_validate_schema(404)
    end

    test "works by nickname" do
      user = insert(:user)

      assert %{"id" => user_id} =
               build_conn()
               |> get("/api/v1/accounts/#{user.nickname}")
               |> json_response_and_validate_schema(200)
    end

    test "works by nickname for remote users" do
      Config.put([:instance, :limit_to_local_content], false)

      user = insert(:user, nickname: "user@example.com", local: false)

      assert %{"id" => user_id} =
               build_conn()
               |> get("/api/v1/accounts/#{user.nickname}")
               |> json_response_and_validate_schema(200)
    end

    test "respects limit_to_local_content == :all for remote user nicknames" do
      Config.put([:instance, :limit_to_local_content], :all)

      user = insert(:user, nickname: "user@example.com", local: false)

      assert build_conn()
             |> get("/api/v1/accounts/#{user.nickname}")
             |> json_response_and_validate_schema(404)
    end

    test "respects limit_to_local_content == :unauthenticated for remote user nicknames" do
      Config.put([:instance, :limit_to_local_content], :unauthenticated)

      user = insert(:user, nickname: "user@example.com", local: false)
      reading_user = insert(:user)

      conn =
        build_conn()
        |> get("/api/v1/accounts/#{user.nickname}")

      assert json_response_and_validate_schema(conn, 404)

      conn =
        build_conn()
        |> assign(:user, reading_user)
        |> assign(:token, insert(:oauth_token, user: reading_user, scopes: ["read:accounts"]))
        |> get("/api/v1/accounts/#{user.nickname}")

      assert %{"id" => id} = json_response_and_validate_schema(conn, 200)
      assert id == user.id
    end

    test "accounts fetches correct account for nicknames beginning with numbers", %{conn: conn} do
      # Need to set an old-style integer ID to reproduce the problem
      # (these are no longer assigned to new accounts but were preserved
      # for existing accounts during the migration to flakeIDs)
      user_one = insert(:user, %{id: 1212})
      user_two = insert(:user, %{nickname: "#{user_one.id}garbage"})

      acc_one =
        conn
        |> get("/api/v1/accounts/#{user_one.id}")
        |> json_response_and_validate_schema(:ok)

      acc_two =
        conn
        |> get("/api/v1/accounts/#{user_two.nickname}")
        |> json_response_and_validate_schema(:ok)

      acc_three =
        conn
        |> get("/api/v1/accounts/#{user_two.id}")
        |> json_response_and_validate_schema(:ok)

      refute acc_one == acc_two
      assert acc_two == acc_three
    end

    test "returns 404 when user is invisible", %{conn: conn} do
      user = insert(:user, %{invisible: true})

      assert %{"error" => "Can't find user"} =
               conn
               |> get("/api/v1/accounts/#{user.nickname}")
               |> json_response_and_validate_schema(404)
    end

    test "returns 404 for internal.fetch actor", %{conn: conn} do
      %User{nickname: "internal.fetch"} = InternalFetchActor.get_actor()

      assert %{"error" => "Can't find user"} =
               conn
               |> get("/api/v1/accounts/internal.fetch")
               |> json_response_and_validate_schema(404)
    end
  end

  defp local_and_remote_users do
    local = insert(:user)
    remote = insert(:user, local: false)
    {:ok, local: local, remote: remote}
  end

  describe "user fetching with restrict unauthenticated profiles for local and remote" do
    setup do: local_and_remote_users()

    setup do: clear_config([:restrict_unauthenticated, :profiles, :local], true)

    setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      assert %{"error" => "Can't find user"} ==
               conn
               |> get("/api/v1/accounts/#{local.id}")
               |> json_response_and_validate_schema(:not_found)

      assert %{"error" => "Can't find user"} ==
               conn
               |> get("/api/v1/accounts/#{remote.id}")
               |> json_response_and_validate_schema(:not_found)
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}")
      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
    end
  end

  describe "user fetching with restrict unauthenticated profiles for local" do
    setup do: local_and_remote_users()

    setup do: clear_config([:restrict_unauthenticated, :profiles, :local], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      res_conn = get(conn, "/api/v1/accounts/#{local.id}")

      assert json_response_and_validate_schema(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}")
      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
    end
  end

  describe "user fetching with restrict unauthenticated profiles for remote" do
    setup do: local_and_remote_users()

    setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      res_conn = get(conn, "/api/v1/accounts/#{local.id}")
      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")

      assert json_response_and_validate_schema(res_conn, :not_found) == %{
               "error" => "Can't find user"
             }
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}")
      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
    end
  end

  describe "user timelines" do
    setup do: oauth_access(["read:statuses"])

    test "respects blocks", %{user: user_one, conn: conn} do
      user_two = insert(:user)
      user_three = insert(:user)

      User.block(user_one, user_two)

      {:ok, activity} = CommonAPI.post(user_two, %{"status" => "User one sux0rz"})
      {:ok, repeat, _} = CommonAPI.repeat(activity.id, user_three)

      assert resp =
               conn
               |> get("/api/v1/accounts/#{user_two.id}/statuses")
               |> json_response_and_validate_schema(200)

      assert [%{"id" => id}] = resp
      assert id == activity.id

      # Even a blocked user will deliver the full user timeline, there would be
      #   no point in looking at a blocked users timeline otherwise
      assert resp =
               conn
               |> get("/api/v1/accounts/#{user_two.id}/statuses")
               |> json_response_and_validate_schema(200)

      assert [%{"id" => id}] = resp
      assert id == activity.id

      # Third user's timeline includes the repeat when viewed by unauthenticated user
      resp =
        build_conn()
        |> get("/api/v1/accounts/#{user_three.id}/statuses")
        |> json_response_and_validate_schema(200)

      assert [%{"id" => id}] = resp
      assert id == repeat.id

      # When viewing a third user's timeline, the blocked users' statuses will NOT be shown
      resp = get(conn, "/api/v1/accounts/#{user_three.id}/statuses")

      assert [] == json_response_and_validate_schema(resp, 200)
    end

    test "gets users statuses", %{conn: conn} do
      user_one = insert(:user)
      user_two = insert(:user)
      user_three = insert(:user)

      {:ok, _user_three} = User.follow(user_three, user_one)

      {:ok, activity} = CommonAPI.post(user_one, %{"status" => "HI!!!"})

      {:ok, direct_activity} =
        CommonAPI.post(user_one, %{
          "status" => "Hi, @#{user_two.nickname}.",
          "visibility" => "direct"
        })

      {:ok, private_activity} =
        CommonAPI.post(user_one, %{"status" => "private", "visibility" => "private"})

      # TODO!!!
      resp =
        conn
        |> get("/api/v1/accounts/#{user_one.id}/statuses")
        |> json_response_and_validate_schema(200)

      assert [%{"id" => id}] = resp
      assert id == to_string(activity.id)

      resp =
        conn
        |> assign(:user, user_two)
        |> assign(:token, insert(:oauth_token, user: user_two, scopes: ["read:statuses"]))
        |> get("/api/v1/accounts/#{user_one.id}/statuses")
        |> json_response_and_validate_schema(200)

      assert [%{"id" => id_one}, %{"id" => id_two}] = resp
      assert id_one == to_string(direct_activity.id)
      assert id_two == to_string(activity.id)

      resp =
        conn
        |> assign(:user, user_three)
        |> assign(:token, insert(:oauth_token, user: user_three, scopes: ["read:statuses"]))
        |> get("/api/v1/accounts/#{user_one.id}/statuses")
        |> json_response_and_validate_schema(200)

      assert [%{"id" => id_one}, %{"id" => id_two}] = resp
      assert id_one == to_string(private_activity.id)
      assert id_two == to_string(activity.id)
    end

    test "unimplemented pinned statuses feature", %{conn: conn} do
      note = insert(:note_activity)
      user = User.get_cached_by_ap_id(note.data["actor"])

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?pinned=true")

      assert json_response_and_validate_schema(conn, 200) == []
    end

    test "gets an users media", %{conn: conn} do
      note = insert(:note_activity)
      user = User.get_cached_by_ap_id(note.data["actor"])

      file = %Plug.Upload{
        content_type: "image/jpg",
        path: Path.absname("test/fixtures/image.jpg"),
        filename: "an_image.jpg"
      }

      {:ok, %{id: media_id}} = ActivityPub.upload(file, actor: user.ap_id)

      {:ok, %{id: image_post_id}} =
        CommonAPI.post(user, %{"status" => "cofe", "media_ids" => [media_id]})

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?only_media=true")

      assert [%{"id" => ^image_post_id}] = json_response_and_validate_schema(conn, 200)

      conn = get(build_conn(), "/api/v1/accounts/#{user.id}/statuses?only_media=1")

      assert [%{"id" => ^image_post_id}] = json_response_and_validate_schema(conn, 200)
    end

    test "gets a user's statuses without reblogs", %{user: user, conn: conn} do
      {:ok, %{id: post_id}} = CommonAPI.post(user, %{"status" => "HI!!!"})
      {:ok, _, _} = CommonAPI.repeat(post_id, user)

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?exclude_reblogs=true")
      assert [%{"id" => ^post_id}] = json_response_and_validate_schema(conn, 200)

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?exclude_reblogs=1")
      assert [%{"id" => ^post_id}] = json_response_and_validate_schema(conn, 200)
    end

    test "filters user's statuses by a hashtag", %{user: user, conn: conn} do
      {:ok, %{id: post_id}} = CommonAPI.post(user, %{"status" => "#hashtag"})
      {:ok, _post} = CommonAPI.post(user, %{"status" => "hashtag"})

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?tagged=hashtag")
      assert [%{"id" => ^post_id}] = json_response_and_validate_schema(conn, 200)
    end

    test "the user views their own timelines and excludes direct messages", %{
      user: user,
      conn: conn
    } do
      {:ok, %{id: public_activity_id}} =
        CommonAPI.post(user, %{"status" => ".", "visibility" => "public"})

      {:ok, _direct_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "direct"})

      conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?exclude_visibilities[]=direct")
      assert [%{"id" => ^public_activity_id}] = json_response_and_validate_schema(conn, 200)
    end
  end

  defp local_and_remote_activities(%{local: local, remote: remote}) do
    insert(:note_activity, user: local)
    insert(:note_activity, user: remote, local: false)

    :ok
  end

  describe "statuses with restrict unauthenticated profiles for local and remote" do
    setup do: local_and_remote_users()
    setup :local_and_remote_activities

    setup do: clear_config([:restrict_unauthenticated, :profiles, :local], true)

    setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      assert %{"error" => "Can't find user"} ==
               conn
               |> get("/api/v1/accounts/#{local.id}/statuses")
               |> json_response_and_validate_schema(:not_found)

      assert %{"error" => "Can't find user"} ==
               conn
               |> get("/api/v1/accounts/#{remote.id}/statuses")
               |> json_response_and_validate_schema(:not_found)
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
      assert length(json_response_and_validate_schema(res_conn, 200)) == 1

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
    end
  end

  describe "statuses with restrict unauthenticated profiles for local" do
    setup do: local_and_remote_users()
    setup :local_and_remote_activities

    setup do: clear_config([:restrict_unauthenticated, :profiles, :local], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      assert %{"error" => "Can't find user"} ==
               conn
               |> get("/api/v1/accounts/#{local.id}/statuses")
               |> json_response_and_validate_schema(:not_found)

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
      assert length(json_response_and_validate_schema(res_conn, 200)) == 1

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
    end
  end

  describe "statuses with restrict unauthenticated profiles for remote" do
    setup do: local_and_remote_users()
    setup :local_and_remote_activities

    setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)

    test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
      assert length(json_response_and_validate_schema(res_conn, 200)) == 1

      assert %{"error" => "Can't find user"} ==
               conn
               |> get("/api/v1/accounts/#{remote.id}/statuses")
               |> json_response_and_validate_schema(:not_found)
    end

    test "if user is authenticated", %{local: local, remote: remote} do
      %{conn: conn} = oauth_access(["read"])

      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
      assert length(json_response_and_validate_schema(res_conn, 200)) == 1

      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
    end
  end

  describe "followers" do
    setup do: oauth_access(["read:accounts"])

    test "getting followers", %{user: user, conn: conn} do
      other_user = insert(:user)
      {:ok, %{id: user_id}} = User.follow(user, other_user)

      conn = get(conn, "/api/v1/accounts/#{other_user.id}/followers")

      assert [%{"id" => ^user_id}] = json_response_and_validate_schema(conn, 200)
    end

    test "getting followers, hide_followers", %{user: user, conn: conn} do
      other_user = insert(:user, hide_followers: true)
      {:ok, _user} = User.follow(user, other_user)

      conn = get(conn, "/api/v1/accounts/#{other_user.id}/followers")

      assert [] == json_response_and_validate_schema(conn, 200)
    end

    test "getting followers, hide_followers, same user requesting" do
      user = insert(:user)
      other_user = insert(:user, hide_followers: true)
      {:ok, _user} = User.follow(user, other_user)

      conn =
        build_conn()
        |> assign(:user, other_user)
        |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["read:accounts"]))
        |> get("/api/v1/accounts/#{other_user.id}/followers")

      refute [] == json_response_and_validate_schema(conn, 200)
    end

    test "getting followers, pagination", %{user: user, conn: conn} do
      {:ok, %User{id: follower1_id}} = :user |> insert() |> User.follow(user)
      {:ok, %User{id: follower2_id}} = :user |> insert() |> User.follow(user)
      {:ok, %User{id: follower3_id}} = :user |> insert() |> User.follow(user)

      assert [%{"id" => ^follower3_id}, %{"id" => ^follower2_id}] =
               conn
               |> get("/api/v1/accounts/#{user.id}/followers?since_id=#{follower1_id}")
               |> json_response_and_validate_schema(200)

      assert [%{"id" => ^follower2_id}, %{"id" => ^follower1_id}] =
               conn
               |> get("/api/v1/accounts/#{user.id}/followers?max_id=#{follower3_id}")
               |> json_response_and_validate_schema(200)

      res_conn = get(conn, "/api/v1/accounts/#{user.id}/followers?limit=1&max_id=#{follower3_id}")

      assert [%{"id" => ^follower2_id}] = json_response_and_validate_schema(res_conn, 200)

      assert [link_header] = get_resp_header(res_conn, "link")
      assert link_header =~ ~r/min_id=#{follower2_id}/
      assert link_header =~ ~r/max_id=#{follower2_id}/
    end
  end

  describe "following" do
    setup do: oauth_access(["read:accounts"])

    test "getting following", %{user: user, conn: conn} do
      other_user = insert(:user)
      {:ok, user} = User.follow(user, other_user)

      conn = get(conn, "/api/v1/accounts/#{user.id}/following")

      assert [%{"id" => id}] = json_response_and_validate_schema(conn, 200)
      assert id == to_string(other_user.id)
    end

    test "getting following, hide_follows, other user requesting" do
      user = insert(:user, hide_follows: true)
      other_user = insert(:user)
      {:ok, user} = User.follow(user, other_user)

      conn =
        build_conn()
        |> assign(:user, other_user)
        |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["read:accounts"]))
        |> get("/api/v1/accounts/#{user.id}/following")

      assert [] == json_response_and_validate_schema(conn, 200)
    end

    test "getting following, hide_follows, same user requesting" do
      user = insert(:user, hide_follows: true)
      other_user = insert(:user)
      {:ok, user} = User.follow(user, other_user)

      conn =
        build_conn()
        |> assign(:user, user)
        |> assign(:token, insert(:oauth_token, user: user, scopes: ["read:accounts"]))
        |> get("/api/v1/accounts/#{user.id}/following")

      refute [] == json_response_and_validate_schema(conn, 200)
    end

    test "getting following, pagination", %{user: user, conn: conn} do
      following1 = insert(:user)
      following2 = insert(:user)
      following3 = insert(:user)
      {:ok, _} = User.follow(user, following1)
      {:ok, _} = User.follow(user, following2)
      {:ok, _} = User.follow(user, following3)

      res_conn = get(conn, "/api/v1/accounts/#{user.id}/following?since_id=#{following1.id}")

      assert [%{"id" => id3}, %{"id" => id2}] = json_response_and_validate_schema(res_conn, 200)
      assert id3 == following3.id
      assert id2 == following2.id

      res_conn = get(conn, "/api/v1/accounts/#{user.id}/following?max_id=#{following3.id}")

      assert [%{"id" => id2}, %{"id" => id1}] = json_response_and_validate_schema(res_conn, 200)
      assert id2 == following2.id
      assert id1 == following1.id

      res_conn =
        get(conn, "/api/v1/accounts/#{user.id}/following?limit=1&max_id=#{following3.id}")

      assert [%{"id" => id2}] = json_response_and_validate_schema(res_conn, 200)
      assert id2 == following2.id

      assert [link_header] = get_resp_header(res_conn, "link")
      assert link_header =~ ~r/min_id=#{following2.id}/
      assert link_header =~ ~r/max_id=#{following2.id}/
    end
  end

  describe "follow/unfollow" do
    setup do: oauth_access(["follow"])

    test "following / unfollowing a user", %{conn: conn} do
      %{id: other_user_id, nickname: other_user_nickname} = insert(:user)

      assert %{"id" => _id, "following" => true} =
               conn
               |> post("/api/v1/accounts/#{other_user_id}/follow")
               |> json_response_and_validate_schema(200)

      assert %{"id" => _id, "following" => false} =
               conn
               |> post("/api/v1/accounts/#{other_user_id}/unfollow")
               |> json_response_and_validate_schema(200)

      assert %{"id" => ^other_user_id} =
               conn
               |> put_req_header("content-type", "application/json")
               |> post("/api/v1/follows", %{"uri" => other_user_nickname})
               |> json_response_and_validate_schema(200)
    end

    test "cancelling follow request", %{conn: conn} do
      %{id: other_user_id} = insert(:user, %{locked: true})

      assert %{"id" => ^other_user_id, "following" => false, "requested" => true} =
               conn
               |> post("/api/v1/accounts/#{other_user_id}/follow")
               |> json_response_and_validate_schema(:ok)

      assert %{"id" => ^other_user_id, "following" => false, "requested" => false} =
               conn
               |> post("/api/v1/accounts/#{other_user_id}/unfollow")
               |> json_response_and_validate_schema(:ok)
    end

    test "following without reblogs" do
      %{conn: conn} = oauth_access(["follow", "read:statuses"])
      followed = insert(:user)
      other_user = insert(:user)

      ret_conn = post(conn, "/api/v1/accounts/#{followed.id}/follow?reblogs=false")

      assert %{"showing_reblogs" => false} = json_response_and_validate_schema(ret_conn, 200)

      {:ok, activity} = CommonAPI.post(other_user, %{"status" => "hey"})
      {:ok, %{id: reblog_id}, _} = CommonAPI.repeat(activity.id, followed)

      assert [] ==
               conn
               |> get("/api/v1/timelines/home")
               |> json_response(200)

      assert %{"showing_reblogs" => true} =
               conn
               |> post("/api/v1/accounts/#{followed.id}/follow?reblogs=true")
               |> json_response_and_validate_schema(200)

      assert [%{"id" => ^reblog_id}] =
               conn
               |> get("/api/v1/timelines/home")
               |> json_response(200)
    end

    test "following / unfollowing errors", %{user: user, conn: conn} do
      # self follow
      conn_res = post(conn, "/api/v1/accounts/#{user.id}/follow")

      assert %{"error" => "Can not follow yourself"} =
               json_response_and_validate_schema(conn_res, 400)

      # self unfollow
      user = User.get_cached_by_id(user.id)
      conn_res = post(conn, "/api/v1/accounts/#{user.id}/unfollow")

      assert %{"error" => "Can not unfollow yourself"} =
               json_response_and_validate_schema(conn_res, 400)

      # self follow via uri
      user = User.get_cached_by_id(user.id)

      assert %{"error" => "Can not follow yourself"} =
               conn
               |> put_req_header("content-type", "multipart/form-data")
               |> post("/api/v1/follows", %{"uri" => user.nickname})
               |> json_response_and_validate_schema(400)

      # follow non existing user
      conn_res = post(conn, "/api/v1/accounts/doesntexist/follow")
      assert %{"error" => "Record not found"} = json_response_and_validate_schema(conn_res, 404)

      # follow non existing user via uri
      conn_res =
        conn
        |> put_req_header("content-type", "multipart/form-data")
        |> post("/api/v1/follows", %{"uri" => "doesntexist"})

      assert %{"error" => "Record not found"} = json_response_and_validate_schema(conn_res, 404)

      # unfollow non existing user
      conn_res = post(conn, "/api/v1/accounts/doesntexist/unfollow")
      assert %{"error" => "Record not found"} = json_response_and_validate_schema(conn_res, 404)
    end
  end

  describe "mute/unmute" do
    setup do: oauth_access(["write:mutes"])

    test "with notifications", %{conn: conn} do
      other_user = insert(:user)

      assert %{"id" => _id, "muting" => true, "muting_notifications" => true} =
               conn
               |> put_req_header("content-type", "application/json")
               |> post("/api/v1/accounts/#{other_user.id}/mute")
               |> json_response_and_validate_schema(200)

      conn = post(conn, "/api/v1/accounts/#{other_user.id}/unmute")

      assert %{"id" => _id, "muting" => false, "muting_notifications" => false} =
               json_response_and_validate_schema(conn, 200)
    end

    test "without notifications", %{conn: conn} do
      other_user = insert(:user)

      ret_conn =
        conn
        |> put_req_header("content-type", "multipart/form-data")
        |> post("/api/v1/accounts/#{other_user.id}/mute", %{"notifications" => "false"})

      assert %{"id" => _id, "muting" => true, "muting_notifications" => false} =
               json_response_and_validate_schema(ret_conn, 200)

      conn = post(conn, "/api/v1/accounts/#{other_user.id}/unmute")

      assert %{"id" => _id, "muting" => false, "muting_notifications" => false} =
               json_response_and_validate_schema(conn, 200)
    end
  end

  describe "pinned statuses" do
    setup do
      user = insert(:user)
      {:ok, activity} = CommonAPI.post(user, %{"status" => "HI!!!"})
      %{conn: conn} = oauth_access(["read:statuses"], user: user)

      [conn: conn, user: user, activity: activity]
    end

    test "returns pinned statuses", %{conn: conn, user: user, activity: %{id: activity_id}} do
      {:ok, _} = CommonAPI.pin(activity_id, user)

      assert [%{"id" => ^activity_id, "pinned" => true}] =
               conn
               |> get("/api/v1/accounts/#{user.id}/statuses?pinned=true")
               |> json_response_and_validate_schema(200)
    end
  end

  test "blocking / unblocking a user" do
    %{conn: conn} = oauth_access(["follow"])
    other_user = insert(:user)

    ret_conn = post(conn, "/api/v1/accounts/#{other_user.id}/block")

    assert %{"id" => _id, "blocking" => true} = json_response_and_validate_schema(ret_conn, 200)

    conn = post(conn, "/api/v1/accounts/#{other_user.id}/unblock")

    assert %{"id" => _id, "blocking" => false} = json_response_and_validate_schema(conn, 200)
  end

  describe "create account by app" do
    setup do
      valid_params = %{
        username: "lain",
        email: "lain@example.org",
        password: "PlzDontHackLain",
        agreement: true
      }

      [valid_params: valid_params]
    end

    setup do: clear_config([:instance, :account_activation_required])

    test "Account registration via Application", %{conn: conn} do
      conn =
        conn
        |> put_req_header("content-type", "application/json")
        |> post("/api/v1/apps", %{
          client_name: "client_name",
          redirect_uris: "urn:ietf:wg:oauth:2.0:oob",
          scopes: "read, write, follow"
        })

      assert %{
               "client_id" => client_id,
               "client_secret" => client_secret,
               "id" => _,
               "name" => "client_name",
               "redirect_uri" => "urn:ietf:wg:oauth:2.0:oob",
               "vapid_key" => _,
               "website" => nil
             } = json_response_and_validate_schema(conn, 200)

      conn =
        post(conn, "/oauth/token", %{
          grant_type: "client_credentials",
          client_id: client_id,
          client_secret: client_secret
        })

      assert %{"access_token" => token, "refresh_token" => refresh, "scope" => scope} =
               json_response(conn, 200)

      assert token
      token_from_db = Repo.get_by(Token, token: token)
      assert token_from_db
      assert refresh
      assert scope == "read write follow"

      conn =
        build_conn()
        |> put_req_header("content-type", "multipart/form-data")
        |> put_req_header("authorization", "Bearer " <> token)
        |> post("/api/v1/accounts", %{
          username: "lain",
          email: "lain@example.org",
          password: "PlzDontHackLain",
          bio: "Test Bio",
          agreement: true
        })

      %{
        "access_token" => token,
        "created_at" => _created_at,
        "scope" => _scope,
        "token_type" => "Bearer"
      } = json_response_and_validate_schema(conn, 200)

      token_from_db = Repo.get_by(Token, token: token)
      assert token_from_db
      token_from_db = Repo.preload(token_from_db, :user)
      assert token_from_db.user

      assert token_from_db.user.confirmation_pending
    end

    test "returns error when user already registred", %{conn: conn, valid_params: valid_params} do
      _user = insert(:user, email: "lain@example.org")
      app_token = insert(:oauth_token, user: nil)

      res =
        conn
        |> put_req_header("authorization", "Bearer " <> app_token.token)
        |> put_req_header("content-type", "application/json")
        |> post("/api/v1/accounts", valid_params)

      assert json_response_and_validate_schema(res, 400) == %{
               "error" => "{\"email\":[\"has already been taken\"]}"
             }
    end

    test "returns bad_request if missing required params", %{
      conn: conn,
      valid_params: valid_params
    } do
      app_token = insert(:oauth_token, user: nil)

      conn =
        conn
        |> put_req_header("authorization", "Bearer " <> app_token.token)
        |> put_req_header("content-type", "application/json")

      res = post(conn, "/api/v1/accounts", valid_params)
      assert json_response_and_validate_schema(res, 200)

      [{127, 0, 0, 1}, {127, 0, 0, 2}, {127, 0, 0, 3}, {127, 0, 0, 4}]
      |> Stream.zip(Map.delete(valid_params, :email))
      |> Enum.each(fn {ip, {attr, _}} ->
        res =
          conn
          |> Map.put(:remote_ip, ip)
          |> post("/api/v1/accounts", Map.delete(valid_params, attr))
          |> json_response_and_validate_schema(400)

        assert res == %{
                 "error" => "Missing field: #{attr}.",
                 "errors" => [
                   %{
                     "message" => "Missing field: #{attr}",
                     "source" => %{"pointer" => "/#{attr}"},
                     "title" => "Invalid value"
                   }
                 ]
               }
      end)
    end

    setup do: clear_config([:instance, :account_activation_required])

    test "returns bad_request if missing email params when :account_activation_required is enabled",
         %{conn: conn, valid_params: valid_params} do
      Pleroma.Config.put([:instance, :account_activation_required], true)

      app_token = insert(:oauth_token, user: nil)

      conn =
        conn
        |> put_req_header("authorization", "Bearer " <> app_token.token)
        |> put_req_header("content-type", "application/json")

      res =
        conn
        |> Map.put(:remote_ip, {127, 0, 0, 5})
        |> post("/api/v1/accounts", Map.delete(valid_params, :email))

      assert json_response_and_validate_schema(res, 400) ==
               %{"error" => "Missing parameter: email"}

      res =
        conn
        |> Map.put(:remote_ip, {127, 0, 0, 6})
        |> post("/api/v1/accounts", Map.put(valid_params, :email, ""))

      assert json_response_and_validate_schema(res, 400) == %{
               "error" => "{\"email\":[\"can't be blank\"]}"
             }
    end

    test "allow registration without an email", %{conn: conn, valid_params: valid_params} do
      app_token = insert(:oauth_token, user: nil)
      conn = put_req_header(conn, "authorization", "Bearer " <> app_token.token)

      res =
        conn
        |> put_req_header("content-type", "application/json")
        |> Map.put(:remote_ip, {127, 0, 0, 7})
        |> post("/api/v1/accounts", Map.delete(valid_params, :email))

      assert json_response_and_validate_schema(res, 200)
    end

    test "allow registration with an empty email", %{conn: conn, valid_params: valid_params} do
      app_token = insert(:oauth_token, user: nil)
      conn = put_req_header(conn, "authorization", "Bearer " <> app_token.token)

      res =
        conn
        |> put_req_header("content-type", "application/json")
        |> Map.put(:remote_ip, {127, 0, 0, 8})
        |> post("/api/v1/accounts", Map.put(valid_params, :email, ""))

      assert json_response_and_validate_schema(res, 200)
    end

    test "returns forbidden if token is invalid", %{conn: conn, valid_params: valid_params} do
      res =
        conn
        |> put_req_header("authorization", "Bearer " <> "invalid-token")
        |> put_req_header("content-type", "multipart/form-data")
        |> post("/api/v1/accounts", valid_params)

      assert json_response_and_validate_schema(res, 403) == %{"error" => "Invalid credentials"}
    end

    test "registration from trusted app" do
      clear_config([Pleroma.Captcha, :enabled], true)
      app = insert(:oauth_app, trusted: true, scopes: ["read", "write", "follow", "push"])

      conn =
        build_conn()
        |> post("/oauth/token", %{
          "grant_type" => "client_credentials",
          "client_id" => app.client_id,
          "client_secret" => app.client_secret
        })

      assert %{"access_token" => token, "token_type" => "Bearer"} = json_response(conn, 200)

      response =
        build_conn()
        |> Plug.Conn.put_req_header("authorization", "Bearer " <> token)
        |> put_req_header("content-type", "multipart/form-data")
        |> post("/api/v1/accounts", %{
          nickname: "nickanme",
          agreement: true,
          email: "email@example.com",
          fullname: "Lain",
          username: "Lain",
          password: "some_password",
          confirm: "some_password"
        })
        |> json_response_and_validate_schema(200)

      assert %{
               "access_token" => access_token,
               "created_at" => _,
               "scope" => ["read", "write", "follow", "push"],
               "token_type" => "Bearer"
             } = response

      response =
        build_conn()
        |> Plug.Conn.put_req_header("authorization", "Bearer " <> access_token)
        |> get("/api/v1/accounts/verify_credentials")
        |> json_response_and_validate_schema(200)

      assert %{
               "acct" => "Lain",
               "bot" => false,
               "display_name" => "Lain",
               "follow_requests_count" => 0,
               "followers_count" => 0,
               "following_count" => 0,
               "locked" => false,
               "note" => "",
               "source" => %{
                 "fields" => [],
                 "note" => "",
                 "pleroma" => %{
                   "actor_type" => "Person",
                   "discoverable" => false,
                   "no_rich_text" => false,
                   "show_role" => true
                 },
                 "privacy" => "public",
                 "sensitive" => false
               },
               "statuses_count" => 0,
               "username" => "Lain"
             } = response
    end
  end

  describe "create account by app / rate limit" do
    setup do: clear_config([:rate_limit, :app_account_creation], {10_000, 2})

    test "respects rate limit setting", %{conn: conn} do
      app_token = insert(:oauth_token, user: nil)

      conn =
        conn
        |> put_req_header("authorization", "Bearer " <> app_token.token)
        |> Map.put(:remote_ip, {15, 15, 15, 15})
        |> put_req_header("content-type", "multipart/form-data")

      for i <- 1..2 do
        conn =
          conn
          |> post("/api/v1/accounts", %{
            username: "#{i}lain",
            email: "#{i}lain@example.org",
            password: "PlzDontHackLain",
            agreement: true
          })

        %{
          "access_token" => token,
          "created_at" => _created_at,
          "scope" => _scope,
          "token_type" => "Bearer"
        } = json_response_and_validate_schema(conn, 200)

        token_from_db = Repo.get_by(Token, token: token)
        assert token_from_db
        token_from_db = Repo.preload(token_from_db, :user)
        assert token_from_db.user

        assert token_from_db.user.confirmation_pending
      end

      conn =
        post(conn, "/api/v1/accounts", %{
          username: "6lain",
          email: "6lain@example.org",
          password: "PlzDontHackLain",
          agreement: true
        })

      assert json_response_and_validate_schema(conn, :too_many_requests) == %{
               "error" => "Throttled"
             }
    end
  end

  describe "create account with enabled captcha" do
    setup %{conn: conn} do
      app_token = insert(:oauth_token, user: nil)

      conn =
        conn
        |> put_req_header("authorization", "Bearer " <> app_token.token)
        |> put_req_header("content-type", "multipart/form-data")

      [conn: conn]
    end

    setup do: clear_config([Pleroma.Captcha, :enabled], true)

    test "creates an account and returns 200 if captcha is valid", %{conn: conn} do
      %{token: token, answer_data: answer_data} = Pleroma.Captcha.new()

      params = %{
        username: "lain",
        email: "lain@example.org",
        password: "PlzDontHackLain",
        agreement: true,
        captcha_solution: Pleroma.Captcha.Mock.solution(),
        captcha_token: token,
        captcha_answer_data: answer_data
      }

      assert %{
               "access_token" => access_token,
               "created_at" => _,
               "scope" => ["read"],
               "token_type" => "Bearer"
             } =
               conn
               |> post("/api/v1/accounts", params)
               |> json_response_and_validate_schema(:ok)

      assert Token |> Repo.get_by(token: access_token) |> Repo.preload(:user) |> Map.get(:user)

      Cachex.del(:used_captcha_cache, token)
    end

    test "returns 400 if any captcha field is not provided", %{conn: conn} do
      captcha_fields = [:captcha_solution, :captcha_token, :captcha_answer_data]

      valid_params = %{
        username: "lain",
        email: "lain@example.org",
        password: "PlzDontHackLain",
        agreement: true,
        captcha_solution: "xx",
        captcha_token: "xx",
        captcha_answer_data: "xx"
      }

      for field <- captcha_fields do
        expected = %{
          "error" => "{\"captcha\":[\"Invalid CAPTCHA (Missing parameter: #{field})\"]}"
        }

        assert expected ==
                 conn
                 |> post("/api/v1/accounts", Map.delete(valid_params, field))
                 |> json_response_and_validate_schema(:bad_request)
      end
    end

    test "returns an error if captcha is invalid", %{conn: conn} do
      params = %{
        username: "lain",
        email: "lain@example.org",
        password: "PlzDontHackLain",
        agreement: true,
        captcha_solution: "cofe",
        captcha_token: "cofe",
        captcha_answer_data: "cofe"
      }

      assert %{"error" => "{\"captcha\":[\"Invalid answer data\"]}"} ==
               conn
               |> post("/api/v1/accounts", params)
               |> json_response_and_validate_schema(:bad_request)
    end
  end

  describe "GET /api/v1/accounts/:id/lists - account_lists" do
    test "returns lists to which the account belongs" do
      %{user: user, conn: conn} = oauth_access(["read:lists"])
      other_user = insert(:user)
      assert {:ok, %Pleroma.List{id: list_id} = list} = Pleroma.List.create("Test List", user)
      {:ok, %{following: _following}} = Pleroma.List.follow(list, other_user)

      assert [%{"id" => list_id, "title" => "Test List"}] =
               conn
               |> get("/api/v1/accounts/#{other_user.id}/lists")
               |> json_response_and_validate_schema(200)
    end
  end

  describe "verify_credentials" do
    test "verify_credentials" do
      %{user: user, conn: conn} = oauth_access(["read:accounts"])
      conn = get(conn, "/api/v1/accounts/verify_credentials")

      response = json_response_and_validate_schema(conn, 200)

      assert %{"id" => id, "source" => %{"privacy" => "public"}} = response
      assert response["pleroma"]["chat_token"]
      assert id == to_string(user.id)
    end

    test "verify_credentials default scope unlisted" do
      user = insert(:user, default_scope: "unlisted")
      %{conn: conn} = oauth_access(["read:accounts"], user: user)

      conn = get(conn, "/api/v1/accounts/verify_credentials")

      assert %{"id" => id, "source" => %{"privacy" => "unlisted"}} =
               json_response_and_validate_schema(conn, 200)

      assert id == to_string(user.id)
    end

    test "locked accounts" do
      user = insert(:user, default_scope: "private")
      %{conn: conn} = oauth_access(["read:accounts"], user: user)

      conn = get(conn, "/api/v1/accounts/verify_credentials")

      assert %{"id" => id, "source" => %{"privacy" => "private"}} =
               json_response_and_validate_schema(conn, 200)

      assert id == to_string(user.id)
    end
  end

  describe "user relationships" do
    setup do: oauth_access(["read:follows"])

    test "returns the relationships for the current user", %{user: user, conn: conn} do
      %{id: other_user_id} = other_user = insert(:user)
      {:ok, _user} = User.follow(user, other_user)

      assert [%{"id" => ^other_user_id}] =
               conn
               |> get("/api/v1/accounts/relationships?id=#{other_user.id}")
               |> json_response_and_validate_schema(200)

      assert [%{"id" => ^other_user_id}] =
               conn
               |> get("/api/v1/accounts/relationships?id[]=#{other_user.id}")
               |> json_response_and_validate_schema(200)
    end

    test "returns an empty list on a bad request", %{conn: conn} do
      conn = get(conn, "/api/v1/accounts/relationships", %{})

      assert [] = json_response_and_validate_schema(conn, 200)
    end
  end

  test "getting a list of mutes" do
    %{user: user, conn: conn} = oauth_access(["read:mutes"])
    other_user = insert(:user)

    {:ok, _user_relationships} = User.mute(user, other_user)

    conn = get(conn, "/api/v1/mutes")

    other_user_id = to_string(other_user.id)
    assert [%{"id" => ^other_user_id}] = json_response_and_validate_schema(conn, 200)
  end

  test "getting a list of blocks" do
    %{user: user, conn: conn} = oauth_access(["read:blocks"])
    other_user = insert(:user)

    {:ok, _user_relationship} = User.block(user, other_user)

    conn =
      conn
      |> assign(:user, user)
      |> get("/api/v1/blocks")

    other_user_id = to_string(other_user.id)
    assert [%{"id" => ^other_user_id}] = json_response_and_validate_schema(conn, 200)
  end
end