+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Web.ActivityPub.UtilsTest do
use Pleroma.DataCase
+ alias Pleroma.Activity
+ alias Pleroma.Object
+ alias Pleroma.Repo
+ alias Pleroma.User
+ alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Utils
+ alias Pleroma.Web.CommonAPI
+
+ import Pleroma.Factory
+
+ require Pleroma.Constants
+
+ describe "fetch the latest Follow" do
+ test "fetches the latest Follow activity" do
+ %Activity{data: %{"type" => "Follow"}} = activity = insert(:follow_activity)
+ follower = User.get_cached_by_ap_id(activity.data["actor"])
+ followed = User.get_cached_by_ap_id(activity.data["object"])
+
+ assert activity == Utils.fetch_latest_follow(follower, followed)
+ end
+ end
+
+ describe "fetch the latest Block" do
+ test "fetches the latest Block activity" do
+ blocker = insert(:user)
+ blocked = insert(:user)
+ {:ok, activity} = ActivityPub.block(blocker, blocked)
+
+ assert activity == Utils.fetch_latest_block(blocker, blocked)
+ end
+ end
describe "determine_explicit_mentions()" do
test "works with an object that has mentions" do
assert Utils.determine_explicit_mentions(object) == []
end
+
+ test "works with an object has tags as map" do
+ object = %{
+ "tag" => %{
+ "type" => "Mention",
+ "href" => "https://example.com/~alyssa",
+ "name" => "Alyssa P. Hacker"
+ }
+ }
+
+ assert Utils.determine_explicit_mentions(object) == ["https://example.com/~alyssa"]
+ end
+ end
+
+ describe "make_unlike_data/3" do
+ test "returns data for unlike activity" do
+ user = insert(:user)
+ like_activity = insert(:like_activity, data_attrs: %{"context" => "test context"})
+
+ assert Utils.make_unlike_data(user, like_activity, nil) == %{
+ "type" => "Undo",
+ "actor" => user.ap_id,
+ "object" => like_activity.data,
+ "to" => [user.follower_address, like_activity.data["actor"]],
+ "cc" => [Pleroma.Constants.as_public()],
+ "context" => like_activity.data["context"]
+ }
+
+ assert Utils.make_unlike_data(user, like_activity, "9mJEZK0tky1w2xD2vY") == %{
+ "type" => "Undo",
+ "actor" => user.ap_id,
+ "object" => like_activity.data,
+ "to" => [user.follower_address, like_activity.data["actor"]],
+ "cc" => [Pleroma.Constants.as_public()],
+ "context" => like_activity.data["context"],
+ "id" => "9mJEZK0tky1w2xD2vY"
+ }
+ end
+ end
+
+ describe "make_like_data" do
+ setup do
+ user = insert(:user)
+ other_user = insert(:user)
+ third_user = insert(:user)
+ [user: user, other_user: other_user, third_user: third_user]
+ end
+
+ test "addresses actor's follower address if the activity is public", %{
+ user: user,
+ other_user: other_user,
+ third_user: third_user
+ } do
+ expected_to = Enum.sort([user.ap_id, other_user.follower_address])
+ expected_cc = Enum.sort(["https://www.w3.org/ns/activitystreams#Public", third_user.ap_id])
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ "status" =>
+ "hey @#{other_user.nickname}, @#{third_user.nickname} how about beering together this weekend?"
+ })
+
+ %{"to" => to, "cc" => cc} = Utils.make_like_data(other_user, activity, nil)
+ assert Enum.sort(to) == expected_to
+ assert Enum.sort(cc) == expected_cc
+ end
+
+ test "does not adress actor's follower address if the activity is not public", %{
+ user: user,
+ other_user: other_user,
+ third_user: third_user
+ } do
+ expected_to = Enum.sort([user.ap_id])
+ expected_cc = [third_user.ap_id]
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ "status" => "@#{other_user.nickname} @#{third_user.nickname} bought a new swimsuit!",
+ "visibility" => "private"
+ })
+
+ %{"to" => to, "cc" => cc} = Utils.make_like_data(other_user, activity, nil)
+ assert Enum.sort(to) == expected_to
+ assert Enum.sort(cc) == expected_cc
+ end
+ end
+
+ describe "fetch_ordered_collection" do
+ import Tesla.Mock
+
+ test "fetches the first OrderedCollectionPage when an OrderedCollection is encountered" do
+ mock(fn
+ %{method: :get, url: "http://mastodon.com/outbox"} ->
+ json(%{"type" => "OrderedCollection", "first" => "http://mastodon.com/outbox?page=true"})
+
+ %{method: :get, url: "http://mastodon.com/outbox?page=true"} ->
+ json(%{"type" => "OrderedCollectionPage", "orderedItems" => ["ok"]})
+ end)
+
+ assert Utils.fetch_ordered_collection("http://mastodon.com/outbox", 1) == ["ok"]
+ end
+
+ test "fetches several pages in the right order one after another, but only the specified amount" do
+ mock(fn
+ %{method: :get, url: "http://example.com/outbox"} ->
+ json(%{
+ "type" => "OrderedCollectionPage",
+ "orderedItems" => [0],
+ "next" => "http://example.com/outbox?page=1"
+ })
+
+ %{method: :get, url: "http://example.com/outbox?page=1"} ->
+ json(%{
+ "type" => "OrderedCollectionPage",
+ "orderedItems" => [1],
+ "next" => "http://example.com/outbox?page=2"
+ })
+
+ %{method: :get, url: "http://example.com/outbox?page=2"} ->
+ json(%{"type" => "OrderedCollectionPage", "orderedItems" => [2]})
+ end)
+
+ assert Utils.fetch_ordered_collection("http://example.com/outbox", 0) == [0]
+ assert Utils.fetch_ordered_collection("http://example.com/outbox", 1) == [0, 1]
+ end
+
+ test "returns an error if the url doesn't have an OrderedCollection/Page" do
+ mock(fn
+ %{method: :get, url: "http://example.com/not-an-outbox"} ->
+ json(%{"type" => "NotAnOutbox"})
+ end)
+
+ assert {:error, _} = Utils.fetch_ordered_collection("http://example.com/not-an-outbox", 1)
+ end
+
+ test "returns the what was collected if there are less pages than specified" do
+ mock(fn
+ %{method: :get, url: "http://example.com/outbox"} ->
+ json(%{
+ "type" => "OrderedCollectionPage",
+ "orderedItems" => [0],
+ "next" => "http://example.com/outbox?page=1"
+ })
+
+ %{method: :get, url: "http://example.com/outbox?page=1"} ->
+ json(%{"type" => "OrderedCollectionPage", "orderedItems" => [1]})
+ end)
+
+ assert Utils.fetch_ordered_collection("http://example.com/outbox", 5) == [0, 1]
+ end
+ end
+
+ test "make_json_ld_header/0" do
+ assert Utils.make_json_ld_header() == %{
+ "@context" => [
+ "https://www.w3.org/ns/activitystreams",
+ "http://localhost:4001/schemas/litepub-0.1.jsonld",
+ %{
+ "@language" => "und"
+ }
+ ]
+ }
+ end
+
+ describe "get_existing_votes" do
+ test "fetches existing votes" do
+ user = insert(:user)
+ other_user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ "status" => "How do I pronounce LaTeX?",
+ "poll" => %{
+ "options" => ["laytekh", "lahtekh", "latex"],
+ "expires_in" => 20,
+ "multiple" => true
+ }
+ })
+
+ object = Object.normalize(activity)
+ {:ok, votes, object} = CommonAPI.vote(other_user, object, [0, 1])
+ assert Enum.sort(Utils.get_existing_votes(other_user.ap_id, object)) == Enum.sort(votes)
+ end
+
+ test "fetches only Create activities" do
+ user = insert(:user)
+ other_user = insert(:user)
+
+ {:ok, activity} =
+ CommonAPI.post(user, %{
+ "status" => "Are we living in a society?",
+ "poll" => %{
+ "options" => ["yes", "no"],
+ "expires_in" => 20
+ }
+ })
+
+ object = Object.normalize(activity)
+ {:ok, [vote], object} = CommonAPI.vote(other_user, object, [0])
+ vote_object = Object.normalize(vote)
+ {:ok, _activity, _object} = ActivityPub.like(user, vote_object)
+ [fetched_vote] = Utils.get_existing_votes(other_user.ap_id, object)
+ assert fetched_vote.id == vote.id
+ end
+ end
+
+ describe "update_follow_state_for_all/2" do
+ test "updates the state of all Follow activities with the same actor and object" do
+ user = insert(:user, info: %{locked: true})
+ follower = insert(:user)
+
+ {:ok, follow_activity} = ActivityPub.follow(follower, user)
+ {:ok, follow_activity_two} = ActivityPub.follow(follower, user)
+
+ data =
+ follow_activity_two.data
+ |> Map.put("state", "accept")
+
+ cng = Ecto.Changeset.change(follow_activity_two, data: data)
+
+ {:ok, follow_activity_two} = Repo.update(cng)
+
+ {:ok, follow_activity_two} =
+ Utils.update_follow_state_for_all(follow_activity_two, "accept")
+
+ assert refresh_record(follow_activity).data["state"] == "accept"
+ assert refresh_record(follow_activity_two).data["state"] == "accept"
+ end
+ end
+
+ describe "update_follow_state/2" do
+ test "updates the state of the given follow activity" do
+ user = insert(:user, info: %{locked: true})
+ follower = insert(:user)
+
+ {:ok, follow_activity} = ActivityPub.follow(follower, user)
+ {:ok, follow_activity_two} = ActivityPub.follow(follower, user)
+
+ data =
+ follow_activity_two.data
+ |> Map.put("state", "accept")
+
+ cng = Ecto.Changeset.change(follow_activity_two, data: data)
+
+ {:ok, follow_activity_two} = Repo.update(cng)
+
+ {:ok, follow_activity_two} = Utils.update_follow_state(follow_activity_two, "reject")
+
+ assert refresh_record(follow_activity).data["state"] == "pending"
+ assert refresh_record(follow_activity_two).data["state"] == "reject"
+ end
+ end
+
+ describe "update_element_in_object/3" do
+ test "updates likes" do
+ user = insert(:user)
+ activity = insert(:note_activity)
+ object = Object.normalize(activity)
+
+ assert {:ok, updated_object} =
+ Utils.update_element_in_object(
+ "like",
+ [user.ap_id],
+ object
+ )
+
+ assert updated_object.data["likes"] == [user.ap_id]
+ assert updated_object.data["like_count"] == 1
+ end
+ end
+
+ describe "add_like_to_object/2" do
+ test "add actor to likes" do
+ user = insert(:user)
+ user2 = insert(:user)
+ object = insert(:note)
+
+ assert {:ok, updated_object} =
+ Utils.add_like_to_object(
+ %Activity{data: %{"actor" => user.ap_id}},
+ object
+ )
+
+ assert updated_object.data["likes"] == [user.ap_id]
+ assert updated_object.data["like_count"] == 1
+
+ assert {:ok, updated_object2} =
+ Utils.add_like_to_object(
+ %Activity{data: %{"actor" => user2.ap_id}},
+ updated_object
+ )
+
+ assert updated_object2.data["likes"] == [user2.ap_id, user.ap_id]
+ assert updated_object2.data["like_count"] == 2
+ end
+ end
+
+ describe "remove_like_from_object/2" do
+ test "removes ap_id from likes" do
+ user = insert(:user)
+ user2 = insert(:user)
+ object = insert(:note, data: %{"likes" => [user.ap_id, user2.ap_id], "like_count" => 2})
+
+ assert {:ok, updated_object} =
+ Utils.remove_like_from_object(
+ %Activity{data: %{"actor" => user.ap_id}},
+ object
+ )
+
+ assert updated_object.data["likes"] == [user2.ap_id]
+ assert updated_object.data["like_count"] == 1
+ end
+ end
+
+ describe "get_existing_like/2" do
+ test "fetches existing like" do
+ note_activity = insert(:note_activity)
+ assert object = Object.normalize(note_activity)
+
+ user = insert(:user)
+ refute Utils.get_existing_like(user.ap_id, object)
+ {:ok, like_activity, _object} = ActivityPub.like(user, object)
+
+ assert ^like_activity = Utils.get_existing_like(user.ap_id, object)
+ end
+ end
+
+ describe "get_get_existing_announce/2" do
+ test "returns nil if announce not found" do
+ actor = insert(:user)
+ refute Utils.get_existing_announce(actor.ap_id, %{data: %{"id" => "test"}})
+ end
+
+ test "fetches existing announce" do
+ note_activity = insert(:note_activity)
+ assert object = Object.normalize(note_activity)
+ actor = insert(:user)
+
+ {:ok, announce, _object} = ActivityPub.announce(actor, object)
+ assert Utils.get_existing_announce(actor.ap_id, object) == announce
+ end
+ end
+
+ describe "fetch_latest_block/2" do
+ test "fetches last block activities" do
+ user1 = insert(:user)
+ user2 = insert(:user)
+
+ assert {:ok, %Activity{} = _} = ActivityPub.block(user1, user2)
+ assert {:ok, %Activity{} = _} = ActivityPub.block(user1, user2)
+ assert {:ok, %Activity{} = activity} = ActivityPub.block(user1, user2)
+
+ assert Utils.fetch_latest_block(user1, user2) == activity
+ end
+ end
+
+ describe "recipient_in_message/3" do
+ test "returns true when recipient in `to`" do
+ recipient = insert(:user)
+ actor = insert(:user)
+ assert Utils.recipient_in_message(recipient, actor, %{"to" => recipient.ap_id})
+
+ assert Utils.recipient_in_message(
+ recipient,
+ actor,
+ %{"to" => [recipient.ap_id], "cc" => ""}
+ )
+ end
+
+ test "returns true when recipient in `cc`" do
+ recipient = insert(:user)
+ actor = insert(:user)
+ assert Utils.recipient_in_message(recipient, actor, %{"cc" => recipient.ap_id})
+
+ assert Utils.recipient_in_message(
+ recipient,
+ actor,
+ %{"cc" => [recipient.ap_id], "to" => ""}
+ )
+ end
+
+ test "returns true when recipient in `bto`" do
+ recipient = insert(:user)
+ actor = insert(:user)
+ assert Utils.recipient_in_message(recipient, actor, %{"bto" => recipient.ap_id})
+
+ assert Utils.recipient_in_message(
+ recipient,
+ actor,
+ %{"bcc" => "", "bto" => [recipient.ap_id]}
+ )
+ end
+
+ test "returns true when recipient in `bcc`" do
+ recipient = insert(:user)
+ actor = insert(:user)
+ assert Utils.recipient_in_message(recipient, actor, %{"bcc" => recipient.ap_id})
+
+ assert Utils.recipient_in_message(
+ recipient,
+ actor,
+ %{"bto" => "", "bcc" => [recipient.ap_id]}
+ )
+ end
+
+ test "returns true when message without addresses fields" do
+ recipient = insert(:user)
+ actor = insert(:user)
+ assert Utils.recipient_in_message(recipient, actor, %{"bccc" => recipient.ap_id})
+
+ assert Utils.recipient_in_message(
+ recipient,
+ actor,
+ %{"btod" => "", "bccc" => [recipient.ap_id]}
+ )
+ end
+
+ test "returns false" do
+ recipient = insert(:user)
+ actor = insert(:user)
+ refute Utils.recipient_in_message(recipient, actor, %{"to" => "ap_id"})
+ end
+ end
+
+ describe "lazy_put_activity_defaults/2" do
+ test "returns map with id and published data" do
+ note_activity = insert(:note_activity)
+ object = Object.normalize(note_activity)
+ res = Utils.lazy_put_activity_defaults(%{"context" => object.data["id"]})
+ assert res["context"] == object.data["id"]
+ assert res["context_id"] == object.id
+ assert res["id"]
+ assert res["published"]
+ end
+
+ test "returns map with fake id and published data" do
+ assert %{
+ "context" => "pleroma:fakecontext",
+ "context_id" => -1,
+ "id" => "pleroma:fakeid",
+ "published" => _
+ } = Utils.lazy_put_activity_defaults(%{}, true)
+ end
+
+ test "returns activity data with object" do
+ note_activity = insert(:note_activity)
+ object = Object.normalize(note_activity)
+
+ res =
+ Utils.lazy_put_activity_defaults(%{
+ "context" => object.data["id"],
+ "object" => %{}
+ })
+
+ assert res["context"] == object.data["id"]
+ assert res["context_id"] == object.id
+ assert res["id"]
+ assert res["published"]
+ assert res["object"]["id"]
+ assert res["object"]["published"]
+ assert res["object"]["context"] == object.data["id"]
+ assert res["object"]["context_id"] == object.id
+ end
+ end
+
+ describe "make_flag_data" do
+ test "returns empty map when params is invalid" do
+ assert Utils.make_flag_data(%{}, %{}) == %{}
+ end
+
+ test "returns map with Flag object" do
+ reporter = insert(:user)
+ target_account = insert(:user)
+ {:ok, activity} = CommonAPI.post(target_account, %{"status" => "foobar"})
+ context = Utils.generate_context_id()
+ content = "foobar"
+
+ target_ap_id = target_account.ap_id
+ activity_ap_id = activity.data["id"]
+
+ res =
+ Utils.make_flag_data(
+ %{
+ actor: reporter,
+ context: context,
+ account: target_account,
+ statuses: [%{"id" => activity.data["id"]}],
+ content: content
+ },
+ %{}
+ )
+
+ assert %{
+ "type" => "Flag",
+ "content" => ^content,
+ "context" => ^context,
+ "object" => [^target_ap_id, ^activity_ap_id],
+ "state" => "open"
+ } = res
+ end
+ end
+
+ describe "add_announce_to_object/2" do
+ test "adds actor to announcement" do
+ user = insert(:user)
+ object = insert(:note)
+
+ activity =
+ insert(:note_activity,
+ data: %{
+ "actor" => user.ap_id,
+ "cc" => [Pleroma.Constants.as_public()]
+ }
+ )
+
+ assert {:ok, updated_object} = Utils.add_announce_to_object(activity, object)
+ assert updated_object.data["announcements"] == [user.ap_id]
+ assert updated_object.data["announcement_count"] == 1
+ end
+ end
+
+ describe "remove_announce_from_object/2" do
+ test "removes actor from announcements" do
+ user = insert(:user)
+ user2 = insert(:user)
+
+ object =
+ insert(:note,
+ data: %{"announcements" => [user.ap_id, user2.ap_id], "announcement_count" => 2}
+ )
+
+ activity = insert(:note_activity, data: %{"actor" => user.ap_id})
+
+ assert {:ok, updated_object} = Utils.remove_announce_from_object(activity, object)
+ assert updated_object.data["announcements"] == [user2.ap_id]
+ assert updated_object.data["announcement_count"] == 1
+ end
end
end