akkoma/test/pleroma/object/fetcher_test.exs

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Object.FetcherTest do
use Pleroma.DataCase, async: false
@moduletag :mocked
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alias Pleroma.Activity
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alias Pleroma.Instances
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alias Pleroma.Object
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alias Pleroma.Object.Fetcher
import Mock
import Tesla.Mock
setup do
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mock(fn
%{method: :get, url: "https://mastodon.example.org/users/userisgone"} ->
%Tesla.Env{status: 410}
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%{method: :get, url: "https://mastodon.example.org/users/userisgone404"} ->
%Tesla.Env{status: 404}
%{
method: :get,
url:
"https://patch.cx/media/03ca3c8b4ac3ddd08bf0f84be7885f2f88de0f709112131a22d83650819e36c2.json"
} ->
%Tesla.Env{
status: 200,
headers: [{"content-type", "application/json"}],
body: File.read!("test/fixtures/spoofed-object.json")
}
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env ->
apply(HttpRequestMock, :request, [env])
end)
:ok
end
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describe "error cases" do
setup do
mock(fn
%{method: :get, url: "https://social.sakamoto.gq/notice/9wTkLEnuq47B25EehM"} ->
%Tesla.Env{
status: 200,
body: File.read!("test/fixtures/fetch_mocks/9wTkLEnuq47B25EehM.json"),
headers: HttpRequestMock.activitypub_object_headers()
}
%{method: :get, url: "https://social.sakamoto.gq/users/eal"} ->
%Tesla.Env{
status: 200,
body: File.read!("test/fixtures/fetch_mocks/eal.json"),
headers: HttpRequestMock.activitypub_object_headers()
}
%{method: :get, url: "https://busshi.moe/users/tuxcrafting/statuses/104410921027210069"} ->
%Tesla.Env{
status: 200,
body: File.read!("test/fixtures/fetch_mocks/104410921027210069.json"),
headers: HttpRequestMock.activitypub_object_headers()
}
%{method: :get, url: "https://busshi.moe/users/tuxcrafting"} ->
%Tesla.Env{
status: 500
}
%{
method: :get,
url: "https://stereophonic.space/objects/02997b83-3ea7-4b63-94af-ef3aa2d4ed17"
} ->
%Tesla.Env{
status: 500
}
end)
:ok
end
@tag capture_log: true
test "it works when fetching the OP actor errors out" do
# Here we simulate a case where the author of the OP can't be read
assert {:ok, _} =
Fetcher.fetch_object_from_id(
"https://social.sakamoto.gq/notice/9wTkLEnuq47B25EehM"
)
end
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
clear_config([: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
clear_config([: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
clear_config([:instance, :federation_incoming_replies_max_depth], 10)
assert {:ok, _} = Fetcher.fetch_object_from_id(@ap_id, depth: 10)
end
end
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describe "actor origin containment" do
test "it rejects objects with a bogus origin" do
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{:error, _} = Fetcher.fetch_object_from_id("https://info.pleroma.site/activity.json")
end
test "it rejects objects when attributedTo is wrong (variant 1)" do
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{:error, _} = Fetcher.fetch_object_from_id("https://info.pleroma.site/activity2.json")
end
test "it rejects objects when attributedTo is wrong (variant 2)" do
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{: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"])
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{: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
test "Return MRF reason when fetched status is rejected by one" do
clear_config([:mrf_keyword, :reject], ["yeah"])
clear_config([:mrf, :policies], [Pleroma.Web.ActivityPub.MRF.KeywordPolicy])
assert {:reject, "[KeywordPolicy] Matches with rejected keyword"} ==
Fetcher.fetch_object_from_id(
"http://mastodon.example.org/@admin/99541947525187367"
)
end
test "it does not fetch a spoofed object uploaded on an instance as an attachment" do
assert {:error, _} =
Fetcher.fetch_object_from_id(
"https://patch.cx/media/03ca3c8b4ac3ddd08bf0f84be7885f2f88de0f709112131a22d83650819e36c2.json"
)
end
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test "does not fetch anything from a rejected instance" do
clear_config([:mrf_simple, :reject], [{"evil.example.org", "i said so"}])
assert {:reject, _} =
Fetcher.fetch_object_from_id("http://evil.example.org/@admin/99541947525187367")
end
test "does not fetch anything if mrf_simple accept is on" do
clear_config([:mrf_simple, :accept], [{"mastodon.example.org", "i said so"}])
clear_config([:mrf_simple, :reject], [])
assert {:reject, _} =
Fetcher.fetch_object_from_id(
"http://notlisted.example.org/@admin/99541947525187367"
)
assert {:ok, _object} =
Fetcher.fetch_object_from_id(
"http://mastodon.example.org/@admin/99541947525187367"
)
end
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test "it resets instance reachability on successful fetch" do
id = "http://mastodon.example.org/@admin/99541947525187367"
Instances.set_consistently_unreachable(id)
refute Instances.reachable?(id)
{:ok, _object} =
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Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
assert Instances.reachable?(id)
end
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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
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test "all objects with fake directions are rejected by the object fetcher" do
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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", "https://mastodon.example.org/users/userisgone", 410}} ==
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Fetcher.fetch_and_contain_remote_object_from_id(
"https://mastodon.example.org/users/userisgone"
)
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end
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test "handle HTTP 404 response" do
assert {:error,
{"Object has been deleted", "https://mastodon.example.org/users/userisgone404", 404}} ==
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Fetcher.fetch_and_contain_remote_object_from_id(
"https://mastodon.example.org/users/userisgone404"
)
end
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test "it can fetch pleroma polls with attachments" do
{:ok, object} =
Fetcher.fetch_object_from_id("https://patch.cx/objects/tesla_mock/poll_attachment")
assert object
end
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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
clear_config([: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
clear_config([:activitypub, :sign_object_fetches], false)
Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
refute called(Pleroma.Signature.sign(:_, :_))
end
end
describe "refetching" do
setup do
object1 = %{
"id" => "https://mastodon.social/1",
"actor" => "https://mastodon.social/users/emelie",
"attributedTo" => "https://mastodon.social/users/emelie",
"type" => "Note",
"content" => "test 1",
"bcc" => [],
"bto" => [],
"cc" => [],
"to" => [],
"summary" => ""
}
object2 = %{
"id" => "https://mastodon.social/2",
"actor" => "https://mastodon.social/users/emelie",
"attributedTo" => "https://mastodon.social/users/emelie",
"type" => "Note",
"content" => "test 2",
"bcc" => [],
"bto" => [],
"cc" => [],
"to" => [],
"summary" => "",
"formerRepresentations" => %{
"type" => "OrderedCollection",
"orderedItems" => [
%{
"type" => "Note",
"content" => "orig 2",
"actor" => "https://mastodon.social/users/emelie",
"attributedTo" => "https://mastodon.social/users/emelie",
"bcc" => [],
"bto" => [],
"cc" => [],
"to" => [],
"summary" => ""
}
],
"totalItems" => 1
}
}
mock(fn
%{
method: :get,
url: "https://mastodon.social/1"
} ->
%Tesla.Env{
status: 200,
headers: [{"content-type", "application/activity+json"}],
body: Jason.encode!(object1)
}
%{
method: :get,
url: "https://mastodon.social/2"
} ->
%Tesla.Env{
status: 200,
headers: [{"content-type", "application/activity+json"}],
body: Jason.encode!(object2)
}
%{
method: :get,
url: "https://mastodon.social/users/emelie/collections/featured"
} ->
%Tesla.Env{
status: 200,
headers: [{"content-type", "application/activity+json"}],
body:
Jason.encode!(%{
"id" => "https://mastodon.social/users/emelie/collections/featured",
"type" => "OrderedCollection",
"actor" => "https://mastodon.social/users/emelie",
"attributedTo" => "https://mastodon.social/users/emelie",
"orderedItems" => [],
"totalItems" => 0
})
}
env ->
apply(HttpRequestMock, :request, [env])
end)
%{object1: object1, object2: object2}
end
test "it keeps formerRepresentations if remote does not have this attr", %{object1: object1} do
full_object1 =
object1
|> Map.merge(%{
"formerRepresentations" => %{
"type" => "OrderedCollection",
"orderedItems" => [
%{
"type" => "Note",
"content" => "orig 2",
"actor" => "https://mastodon.social/users/emelie",
"attributedTo" => "https://mastodon.social/users/emelie",
"bcc" => [],
"bto" => [],
"cc" => [],
"to" => [],
"summary" => ""
}
],
"totalItems" => 1
}
})
{:ok, o} = Object.create(full_object1)
assert {:ok, refetched} = Fetcher.refetch_object(o)
assert %{"formerRepresentations" => %{"orderedItems" => [%{"content" => "orig 2"}]}} =
refetched.data
end
test "it uses formerRepresentations from remote if possible", %{object2: object2} do
{:ok, o} = Object.create(object2)
assert {:ok, refetched} = Fetcher.refetch_object(o)
assert %{"formerRepresentations" => %{"orderedItems" => [%{"content" => "orig 2"}]}} =
refetched.data
end
test "it replaces formerRepresentations with the one from remote", %{object2: object2} do
full_object2 =
object2
|> Map.merge(%{
"content" => "mew mew #def",
"formerRepresentations" => %{
"type" => "OrderedCollection",
"orderedItems" => [
%{"type" => "Note", "content" => "mew mew 2"}
],
"totalItems" => 1
}
})
{:ok, o} = Object.create(full_object2)
assert {:ok, refetched} = Fetcher.refetch_object(o)
assert %{
"content" => "test 2",
"formerRepresentations" => %{"orderedItems" => [%{"content" => "orig 2"}]}
} = refetched.data
end
test "it adds to formerRepresentations if the remote does not have one and the object has changed",
%{object1: object1} do
full_object1 =
object1
|> Map.merge(%{
"content" => "mew mew #def",
"formerRepresentations" => %{
"type" => "OrderedCollection",
"orderedItems" => [
%{"type" => "Note", "content" => "mew mew 1"}
],
"totalItems" => 1
}
})
{:ok, o} = Object.create(full_object1)
assert {:ok, refetched} = Fetcher.refetch_object(o)
assert %{
"content" => "test 1",
"formerRepresentations" => %{
"orderedItems" => [
%{"content" => "mew mew #def"},
%{"content" => "mew mew 1"}
],
"totalItems" => 2
}
} = refetched.data
end
end
describe "fetch with history" do
setup do
object2 = %{
"id" => "https://mastodon.social/2",
"actor" => "https://mastodon.social/users/emelie",
"attributedTo" => "https://mastodon.social/users/emelie",
"type" => "Note",
"content" => "test 2",
"bcc" => [],
"bto" => [],
"cc" => ["https://mastodon.social/users/emelie/followers"],
"to" => [],
"summary" => "",
"formerRepresentations" => %{
"type" => "OrderedCollection",
"orderedItems" => [
%{
"type" => "Note",
"content" => "orig 2",
"actor" => "https://mastodon.social/users/emelie",
"attributedTo" => "https://mastodon.social/users/emelie",
"bcc" => [],
"bto" => [],
"cc" => ["https://mastodon.social/users/emelie/followers"],
"to" => [],
"summary" => ""
}
],
"totalItems" => 1
}
}
mock(fn
%{
method: :get,
url: "https://mastodon.social/2"
} ->
%Tesla.Env{
status: 200,
headers: [{"content-type", "application/activity+json"}],
body: Jason.encode!(object2)
}
%{
method: :get,
url: "https://mastodon.social/users/emelie/collections/featured"
} ->
%Tesla.Env{
status: 200,
headers: [{"content-type", "application/activity+json"}],
body:
Jason.encode!(%{
"id" => "https://mastodon.social/users/emelie/collections/featured",
"type" => "OrderedCollection",
"actor" => "https://mastodon.social/users/emelie",
"attributedTo" => "https://mastodon.social/users/emelie",
"orderedItems" => [],
"totalItems" => 0
})
}
env ->
apply(HttpRequestMock, :request, [env])
end)
%{object2: object2}
end
test "it gets history", %{object2: object2} do
{:ok, object} = Fetcher.fetch_object_from_id(object2["id"])
assert %{
"formerRepresentations" => %{
"type" => "OrderedCollection",
"orderedItems" => [%{}]
}
} = object.data
end
end
describe "get_object/1" do
test "should return ok if the content type is application/activity+json" do
Tesla.Mock.mock(fn
%{
method: :get,
url: "https://mastodon.social/2"
} ->
%Tesla.Env{
status: 200,
headers: [{"content-type", "application/activity+json"}],
body: "{}"
}
end)
assert {:ok, "{}"} = Fetcher.get_object("https://mastodon.social/2")
end
test "should return ok if the content type is application/ld+json with a profile" do
Tesla.Mock.mock(fn
%{
method: :get,
url: "https://mastodon.social/2"
} ->
%Tesla.Env{
status: 200,
headers: [
{"content-type",
"application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\""}
],
body: "{}"
}
end)
assert {:ok, "{}"} = Fetcher.get_object("https://mastodon.social/2")
Tesla.Mock.mock(fn
%{
method: :get,
url: "https://mastodon.social/2"
} ->
%Tesla.Env{
status: 200,
headers: [
{"content-type",
"application/ld+json; profile=\"http://www.w3.org/ns/activitystreams\""}
],
body: "{}"
}
end)
assert {:ok, "{}"} = Fetcher.get_object("https://mastodon.social/2")
end
test "should not return ok with other content types" do
Tesla.Mock.mock(fn
%{
method: :get,
url: "https://mastodon.social/2"
} ->
%Tesla.Env{
status: 200,
headers: [{"content-type", "application/json"}],
body: "{}"
}
end)
assert {:error, {:content_type, "application/json"}} =
Fetcher.get_object("https://mastodon.social/2")
end
end
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end