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fetcher_test.exs
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Object.FetcherTest do
use Pleroma.DataCase
alias Pleroma.Activity
alias Pleroma.Object
alias Pleroma.Object.Fetcher
import Tesla.Mock
import Mock
setup do
mock(fn
%{method: :get, url: "https://mastodon.example.org/users/userisgone"} ->
%Tesla.Env{status: 410}
%{method: :get, url: "https://mastodon.example.org/users/userisgone404"} ->
%Tesla.Env{status: 404}
env ->
apply(HttpRequestMock, :request, [env])
end)
:ok
end
describe "max thread distance restriction" do
@ap_id "http://mastodon.example.org/@admin/99541947525187367"
setup do: clear_config([:instance, :federation_incoming_replies_max_depth])
test "it returns thread depth exceeded error if thread depth is exceeded" do
Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
assert {:error, "Max thread distance exceeded."} =
Fetcher.fetch_object_from_id(@ap_id, depth: 1)
end
test "it fetches object if max thread depth is restricted to 0 and depth is not specified" do
Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
assert {:ok, _} = Fetcher.fetch_object_from_id(@ap_id)
end
test "it fetches object if requested depth does not exceed max thread depth" do
Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 10)
assert {:ok, _} = Fetcher.fetch_object_from_id(@ap_id, depth: 10)
end
end
describe "actor origin containment" do
test "it rejects objects with a bogus origin" do
{:error, _} = Fetcher.fetch_object_from_id("https://info.pleroma.site/activity.json")
end
test "it rejects objects when attributedTo is wrong (variant 1)" do
{:error, _} = Fetcher.fetch_object_from_id("https://info.pleroma.site/activity2.json")
end
test "it rejects objects when attributedTo is wrong (variant 2)" do
{:error, _} = Fetcher.fetch_object_from_id("https://info.pleroma.site/activity3.json")
end
end
describe "fetching an object" do
test "it fetches an object" do
{:ok, object} =
Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
assert activity = Activity.get_create_by_object_ap_id(object.data["id"])
assert activity.data["id"]
{:ok, object_again} =
Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
assert [attachment] = object.data["attachment"]
assert is_list(attachment["url"])
assert object == object_again
end
end
describe "implementation quirks" do
test "it can fetch plume articles" do
{:ok, object} =
Fetcher.fetch_object_from_id(
"https://baptiste.gelez.xyz/~/PlumeDevelopment/this-month-in-plume-june-2018/"
)
assert object
end
test "it can fetch peertube videos" do
{:ok, object} =
Fetcher.fetch_object_from_id(
"https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
)
assert object
end
test "it can fetch Mobilizon events" do
{:ok, object} =
Fetcher.fetch_object_from_id(
"https://mobilizon.org/events/252d5816-00a3-4a89-a66f-15bf65c33e39"
)
assert object
end
test "it can fetch wedistribute articles" do
{:ok, object} =
Fetcher.fetch_object_from_id("https://wedistribute.org/wp-json/pterotype/v1/object/85810")
assert object
end
test "all objects with fake directions are rejected by the object fetcher" do
assert {:error, _} =
Fetcher.fetch_and_contain_remote_object_from_id(
"https://info.pleroma.site/activity4.json"
)
end
test "handle HTTP 410 Gone response" do
assert {:error, "Object has been deleted"} ==
Fetcher.fetch_and_contain_remote_object_from_id(
"https://mastodon.example.org/users/userisgone"
)
end
test "handle HTTP 404 response" do
assert {:error, "Object has been deleted"} ==
Fetcher.fetch_and_contain_remote_object_from_id(
"https://mastodon.example.org/users/userisgone404"
)
end
end
describe "pruning" do
test "it can refetch pruned objects" do
object_id = "http://mastodon.example.org/@admin/99541947525187367"
{:ok, object} = Fetcher.fetch_object_from_id(object_id)
assert object
{:ok, _object} = Object.prune(object)
refute Object.get_by_ap_id(object_id)
{:ok, %Object{} = object_two} = Fetcher.fetch_object_from_id(object_id)
assert object.data["id"] == object_two.data["id"]
assert object.id != object_two.id
end
end
describe "signed fetches" do
setup do: clear_config([:activitypub, :sign_object_fetches])
test_with_mock "it signs fetches when configured to do so",
Pleroma.Signature,
[:passthrough],
[] do
Pleroma.Config.put([:activitypub, :sign_object_fetches], true)
Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
assert called(Pleroma.Signature.sign(:_, :_))
end
test_with_mock "it doesn't sign fetches when not configured to do so",
Pleroma.Signature,
[:passthrough],
[] do
Pleroma.Config.put([:activitypub, :sign_object_fetches], false)
Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
refute called(Pleroma.Signature.sign(:_, :_))
end
end
end

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