user_test.exs 16.6 KB
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defmodule Pleroma.UserTest do
  alias Pleroma.Builders.UserBuilder
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  alias Pleroma.{User, Repo, Activity}
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  alias Pleroma.Web.OStatus
  alias Pleroma.Web.Websub.WebsubClientSubscription
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  alias Pleroma.Web.CommonAPI
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  use Pleroma.DataCase

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  import Pleroma.Factory
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  import Ecto.Query
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  test "ap_id returns the activity pub id for the user" do
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    user = UserBuilder.build()
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    expected_ap_id = "#{Pleroma.Web.base_url()}/users/#{user.nickname}"
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    assert expected_ap_id == User.ap_id(user)
  end

  test "ap_followers returns the followers collection for the user" do
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    user = UserBuilder.build()
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    expected_followers_collection = "#{User.ap_id(user)}/followers"

    assert expected_followers_collection == User.ap_followers(user)
  end
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  test "follow takes a user and another user" do
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    user = insert(:user)
    followed = insert(:user)
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    {:ok, user} = User.follow(user, followed)
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    user = Repo.get(User, user.id)

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    followed = User.get_by_ap_id(followed.ap_id)
    assert followed.info["follower_count"] == 1

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    assert User.ap_followers(followed) in user.following
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  end
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  test "can't follow a deactivated users" do
    user = insert(:user)
    followed = insert(:user, info: %{"deactivated" => true})

    {:error, _} = User.follow(user, followed)
  end

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  test "can't follow a user who blocked us" do
    blocker = insert(:user)
    blockee = insert(:user)

    {:ok, blocker} = User.block(blocker, blockee)

    {:error, _} = User.follow(blockee, blocker)
  end

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  test "local users do not automatically follow local locked accounts" do
    follower = insert(:user, info: %{"locked" => true})
    followed = insert(:user, info: %{"locked" => true})

    {:ok, follower} = User.maybe_direct_follow(follower, followed)

    refute User.following?(follower, followed)
  end

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  # This is a somewhat useless test.
  # test "following a remote user will ensure a websub subscription is present" do
  #   user = insert(:user)
  #   {:ok, followed} = OStatus.make_user("shp@social.heldscal.la")
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  #   assert followed.local == false
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  #   {:ok, user} = User.follow(user, followed)
  #   assert User.ap_followers(followed) in user.following
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  #   query = from w in WebsubClientSubscription,
  #   where: w.topic == ^followed.info["topic"]
  #   websub = Repo.one(query)
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  #   assert websub
  # end
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  test "unfollow takes a user and another user" do
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    followed = insert(:user)
    user = insert(:user, %{following: [User.ap_followers(followed)]})
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    {:ok, user, _activity} = User.unfollow(user, followed)
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    user = Repo.get(User, user.id)

    assert user.following == []
  end
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  test "unfollow doesn't unfollow yourself" do
    user = insert(:user)

    {:error, _} = User.unfollow(user, user)

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    user = Repo.get(User, user.id)
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    assert user.following == [user.ap_id]
  end

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  test "test if a user is following another user" do
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    followed = insert(:user)
    user = insert(:user, %{following: [User.ap_followers(followed)]})
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    assert User.following?(user, followed)
    refute User.following?(followed, user)
  end
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  describe "user registration" do
    @full_user_data %{
      bio: "A guy",
      name: "my name",
      nickname: "nick",
      password: "test",
      password_confirmation: "test",
      email: "email@example.com"
    }

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    test "it requires an email, name, nickname and password, bio is optional" do
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      @full_user_data
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      |> Map.keys()
      |> Enum.each(fn key ->
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        params = Map.delete(@full_user_data, key)
        changeset = User.register_changeset(%User{}, params)
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        assert if key == :bio, do: changeset.valid?, else: not changeset.valid?
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      end)
    end

    test "it sets the password_hash, ap_id and following fields" do
      changeset = User.register_changeset(%User{}, @full_user_data)

      assert changeset.valid?

      assert is_binary(changeset.changes[:password_hash])
      assert changeset.changes[:ap_id] == User.ap_id(%User{nickname: @full_user_data.nickname})
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      assert changeset.changes[:following] == [
               User.ap_followers(%User{nickname: @full_user_data.nickname})
             ]

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      assert changeset.changes.follower_address == "#{changeset.changes.ap_id}/followers"
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    end
  end
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  describe "fetching a user from nickname or trying to build one" do
    test "gets an existing user" do
      user = insert(:user)
      fetched_user = User.get_or_fetch_by_nickname(user.nickname)

      assert user == fetched_user
    end

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    test "gets an existing user, case insensitive" do
      user = insert(:user, nickname: "nick")
      fetched_user = User.get_or_fetch_by_nickname("NICK")

      assert user == fetched_user
    end

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    test "fetches an external user via ostatus if no user exists" do
      fetched_user = User.get_or_fetch_by_nickname("shp@social.heldscal.la")
      assert fetched_user.nickname == "shp@social.heldscal.la"
    end

    test "returns nil if no user could be fetched" do
      fetched_user = User.get_or_fetch_by_nickname("nonexistant@social.heldscal.la")
      assert fetched_user == nil
    end
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    test "returns nil for nonexistant local user" do
      fetched_user = User.get_or_fetch_by_nickname("nonexistant")
      assert fetched_user == nil
    end
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    test "updates an existing user, if stale" do
      a_week_ago = NaiveDateTime.add(NaiveDateTime.utc_now(), -604_800)

      orig_user =
        insert(
          :user,
          local: false,
          nickname: "admin@mastodon.example.org",
          ap_id: "http://mastodon.example.org/users/admin",
          last_refreshed_at: a_week_ago
        )

      assert orig_user.last_refreshed_at == a_week_ago

      user = User.get_or_fetch_by_ap_id("http://mastodon.example.org/users/admin")

      refute user.last_refreshed_at == orig_user.last_refreshed_at
    end
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  end
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  test "returns an ap_id for a user" do
    user = insert(:user)
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    assert User.ap_id(user) ==
             Pleroma.Web.Router.Helpers.o_status_url(
               Pleroma.Web.Endpoint,
               :feed_redirect,
               user.nickname
             )
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  end

  test "returns an ap_followers link for a user" do
    user = insert(:user)
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    assert User.ap_followers(user) ==
             Pleroma.Web.Router.Helpers.o_status_url(
               Pleroma.Web.Endpoint,
               :feed_redirect,
               user.nickname
             ) <> "/followers"
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  end
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  describe "remote user creation changeset" do
    @valid_remote %{
      bio: "hello",
      name: "Someone",
      nickname: "a@b.de",
      ap_id: "http...",
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      info: %{some: "info"},
      avatar: %{some: "avatar"}
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    }

    test "it confirms validity" do
      cs = User.remote_user_creation(@valid_remote)
      assert cs.valid?
    end

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    test "it sets the follower_adress" do
      cs = User.remote_user_creation(@valid_remote)
      # remote users get a fake local follower address
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      assert cs.changes.follower_address ==
               User.ap_followers(%User{nickname: @valid_remote[:nickname]})
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    end

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    test "it enforces the fqn format for nicknames" do
      cs = User.remote_user_creation(%{@valid_remote | nickname: "bla"})
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      assert cs.changes.local == false
      assert cs.changes.avatar
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      refute cs.valid?
    end

    test "it has required fields" do
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      [:name, :ap_id]
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      |> Enum.each(fn field ->
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        cs = User.remote_user_creation(Map.delete(@valid_remote, field))
        refute cs.valid?
      end)
    end

    test "it restricts some sizes" do
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      [bio: 5000, name: 100]
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      |> Enum.each(fn {field, size} ->
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        string = String.pad_leading(".", size)
        cs = User.remote_user_creation(Map.put(@valid_remote, field, string))
        assert cs.valid?

        string = String.pad_leading(".", size + 1)
        cs = User.remote_user_creation(Map.put(@valid_remote, field, string))
        refute cs.valid?
      end)
    end
  end
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  describe "followers and friends" do
    test "gets all followers for a given user" do
      user = insert(:user)
      follower_one = insert(:user)
      follower_two = insert(:user)
      not_follower = insert(:user)

      {:ok, follower_one} = User.follow(follower_one, user)
      {:ok, follower_two} = User.follow(follower_two, user)

      {:ok, res} = User.get_followers(user)

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      assert Enum.member?(res, follower_one)
      assert Enum.member?(res, follower_two)
      refute Enum.member?(res, not_follower)
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    end

    test "gets all friends (followed users) for a given user" do
      user = insert(:user)
      followed_one = insert(:user)
      followed_two = insert(:user)
      not_followed = insert(:user)

      {:ok, user} = User.follow(user, followed_one)
      {:ok, user} = User.follow(user, followed_two)

      {:ok, res} = User.get_friends(user)

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      followed_one = User.get_by_ap_id(followed_one.ap_id)
      followed_two = User.get_by_ap_id(followed_two.ap_id)
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      assert Enum.member?(res, followed_one)
      assert Enum.member?(res, followed_two)
      refute Enum.member?(res, not_followed)
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    end
  end
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  describe "updating note and follower count" do
    test "it sets the info->note_count property" do
      note = insert(:note)

      user = User.get_by_ap_id(note.data["actor"])

      assert user.info["note_count"] == nil

      {:ok, user} = User.update_note_count(user)

      assert user.info["note_count"] == 1
    end

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    test "it increases the info->note_count property" do
      note = insert(:note)
      user = User.get_by_ap_id(note.data["actor"])

      assert user.info["note_count"] == nil

      {:ok, user} = User.increase_note_count(user)

      assert user.info["note_count"] == 1

      {:ok, user} = User.increase_note_count(user)

      assert user.info["note_count"] == 2
    end

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    test "it decreases the info->note_count property" do
      note = insert(:note)
      user = User.get_by_ap_id(note.data["actor"])

      assert user.info["note_count"] == nil

      {:ok, user} = User.increase_note_count(user)

      assert user.info["note_count"] == 1

      {:ok, user} = User.decrease_note_count(user)

      assert user.info["note_count"] == 0

      {:ok, user} = User.decrease_note_count(user)

      assert user.info["note_count"] == 0
    end

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    test "it sets the info->follower_count property" do
      user = insert(:user)
      follower = insert(:user)

      User.follow(follower, user)

      assert user.info["follower_count"] == nil

      {:ok, user} = User.update_follower_count(user)

      assert user.info["follower_count"] == 1
    end
  end
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  describe "blocks" do
    test "it blocks people" do
      user = insert(:user)
      blocked_user = insert(:user)

      refute User.blocks?(user, blocked_user)

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

      assert User.blocks?(user, blocked_user)
    end

    test "it unblocks users" do
      user = insert(:user)
      blocked_user = insert(:user)

      {:ok, user} = User.block(user, blocked_user)
      {:ok, user} = User.unblock(user, blocked_user)

      refute User.blocks?(user, blocked_user)
    end
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    test "blocks tear down cyclical follow relationships" do
      blocker = insert(:user)
      blocked = insert(:user)

      {:ok, blocker} = User.follow(blocker, blocked)
      {:ok, blocked} = User.follow(blocked, blocker)

      assert User.following?(blocker, blocked)
      assert User.following?(blocked, blocker)

      {:ok, blocker} = User.block(blocker, blocked)
      blocked = Repo.get(User, blocked.id)

      assert User.blocks?(blocker, blocked)

      refute User.following?(blocker, blocked)
      refute User.following?(blocked, blocker)
    end

    test "blocks tear down blocker->blocked follow relationships" do
      blocker = insert(:user)
      blocked = insert(:user)

      {:ok, blocker} = User.follow(blocker, blocked)

      assert User.following?(blocker, blocked)
      refute User.following?(blocked, blocker)

      {:ok, blocker} = User.block(blocker, blocked)
      blocked = Repo.get(User, blocked.id)

      assert User.blocks?(blocker, blocked)

      refute User.following?(blocker, blocked)
      refute User.following?(blocked, blocker)
    end

    test "blocks tear down blocked->blocker follow relationships" do
      blocker = insert(:user)
      blocked = insert(:user)

      {:ok, blocked} = User.follow(blocked, blocker)

      refute User.following?(blocker, blocked)
      assert User.following?(blocked, blocker)

      {:ok, blocker} = User.block(blocker, blocked)
      blocked = Repo.get(User, blocked.id)

      assert User.blocks?(blocker, blocked)

      refute User.following?(blocker, blocked)
      refute User.following?(blocked, blocker)
    end
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  end
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  describe "domain blocking" do
    test "blocks domains" do
      user = insert(:user)
      collateral_user = insert(:user, %{ap_id: "https://awful-and-rude-instance.com/user/bully"})

      {:ok, user} = User.block_domain(user, "awful-and-rude-instance.com")

      assert User.blocks?(user, collateral_user)
    end

    test "unblocks domains" do
      user = insert(:user)
      collateral_user = insert(:user, %{ap_id: "https://awful-and-rude-instance.com/user/bully"})

      {:ok, user} = User.block_domain(user, "awful-and-rude-instance.com")
      {:ok, user} = User.unblock_domain(user, "awful-and-rude-instance.com")

      refute User.blocks?(user, collateral_user)
    end
  end

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  test "get recipients from activity" do
    actor = insert(:user)
    user = insert(:user, local: true)
    user_two = insert(:user, local: false)
    addressed = insert(:user, local: true)
    addressed_remote = insert(:user, local: false)
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    {:ok, activity} =
      CommonAPI.post(actor, %{
        "status" => "hey @#{addressed.nickname} @#{addressed_remote.nickname}"
      })
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    assert [addressed] == User.get_recipients_from_activity(activity)

    {:ok, user} = User.follow(user, actor)
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    {:ok, _user_two} = User.follow(user_two, actor)
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    recipients = User.get_recipients_from_activity(activity)
    assert length(recipients) == 2
    assert user in recipients
    assert addressed in recipients
  end
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  test ".deactivate can de-activate then re-activate a user" do
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    user = insert(:user)
    assert false == !!user.info["deactivated"]
    {:ok, user} = User.deactivate(user)
    assert true == user.info["deactivated"]
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    {:ok, user} = User.deactivate(user, false)
    assert false == !!user.info["deactivated"]
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  end
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  test ".delete deactivates a user, all follow relationships and all create activities" do
    user = insert(:user)
    followed = insert(:user)
    follower = insert(:user)

    {:ok, user} = User.follow(user, followed)
    {:ok, follower} = User.follow(follower, user)

    {:ok, activity} = CommonAPI.post(user, %{"status" => "2hu"})
    {:ok, activity_two} = CommonAPI.post(follower, %{"status" => "3hu"})

    {:ok, _, _} = CommonAPI.favorite(activity_two.id, user)
    {:ok, _, _} = CommonAPI.favorite(activity.id, follower)
    {:ok, _, _} = CommonAPI.repeat(activity.id, follower)

    :ok = User.delete(user)

    followed = Repo.get(User, followed.id)
    follower = Repo.get(User, follower.id)
    user = Repo.get(User, user.id)

    assert user.info["deactivated"]

    refute User.following?(user, followed)
    refute User.following?(followed, follower)

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    # TODO: Remove favorites, repeats, delete activities.

    refute Repo.get(Activity, activity.id)
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  end
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  test "get_public_key_for_ap_id fetches a user that's not in the db" do
    assert {:ok, _key} = User.get_public_key_for_ap_id("http://mastodon.example.org/users/admin")
  end
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  test "insert or update a user from given data" do
    user = insert(:user, %{nickname: "nick@name.de"})
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    data = %{ap_id: user.ap_id <> "xxx", name: user.name, nickname: user.nickname}
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    assert {:ok, %User{}} = User.insert_or_update_user(data)
  end
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  describe "per-user rich-text filtering" do
    test "html_filter_policy returns nil when rich-text is enabled" do
      user = insert(:user)

      assert nil == User.html_filter_policy(user)
    end

    test "html_filter_policy returns TwitterText scrubber when rich-text is disabled" do
      user = insert(:user, %{info: %{"no_rich_text" => true}})

      assert Pleroma.HTML.Scrubber.TwitterText == User.html_filter_policy(user)
    end
  end
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  describe "caching" do
    test "invalidate_cache works" do
      user = insert(:user)
      user_info = User.get_cached_user_info(user)

      User.invalidate_cache(user)

      {:ok, nil} = Cachex.get(:user_cache, "ap_id:#{user.ap_id}")
      {:ok, nil} = Cachex.get(:user_cache, "nickname:#{user.nickname}")
      {:ok, nil} = Cachex.get(:user_cache, "user_info:#{user.id}")
    end

    test "User.delete() plugs any possible zombie objects" do
      user = insert(:user)

      {:ok, _} = User.delete(user)

      {:ok, cached_user} = Cachex.get(:user_cache, "ap_id:#{user.ap_id}")

      assert cached_user != user

      {:ok, cached_user} = Cachex.get(:user_cache, "nickname:#{user.ap_id}")

      assert cached_user != user
    end
  end
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end