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make conversation-id deterministic (#154)

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Reviewed-on: AkkomaGang/akkoma#154
This commit is contained in:
floatingghost 2022-08-06 20:59:15 +00:00
parent 21ec1edbb6
commit 62e179f446
16 changed files with 23 additions and 109 deletions
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4
lib/pleroma/object.ex
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@ -208,10 +208,6 @@ def get_cached_by_ap_id(ap_id) do
end
end
def context_mapping(context) do
Object.change(%Object{}, %{data: %{"id" => context}})
end
def make_tombstone(%Object{data: %{"id" => id, "type" => type}}, deleted \\ DateTime.utc_now()) do
%ObjectTombstone{
id: id,

2
lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex
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@ -174,7 +174,7 @@ def changeset(struct, data) do
defp validate_data(data_cng) do
data_cng
|> validate_inclusion(:type, ["Article", "Note", "Page"])
|> validate_required([:id, :actor, :attributedTo, :type, :context, :context_id])
|> validate_required([:id, :actor, :attributedTo, :type, :context])
|> CommonValidations.validate_any_presence([:cc, :to])
|> CommonValidations.validate_fields_match([:actor, :attributedTo])
|> CommonValidations.validate_actor_presence()

2
lib/pleroma/web/activity_pub/object_validators/common_fields.ex
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@ -51,8 +51,6 @@ defmacro status_object_fields do
field(:summary, :string)
field(:context, :string)
# short identifier for PleromaFE to group statuses by context
field(:context_id, :integer)
field(:sensitive, :boolean, default: false)
field(:replies_count, :integer, default: 0)

4
lib/pleroma/web/activity_pub/object_validators/common_fixes.ex
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@ -22,14 +22,12 @@ def cast_and_filter_recipients(message, field, follower_collection, field_fallba
end
def fix_object_defaults(data) do
%{data: %{"id" => context}, id: context_id} =
Utils.create_context(data["context"] || data["conversation"])
context = Utils.maybe_create_context(data["context"] || data["conversation"])
%User{follower_address: follower_collection} = User.get_cached_by_ap_id(data["attributedTo"])
data
|> Map.put("context", context)
|> Map.put("context_id", context_id)
|> cast_and_filter_recipients("to", follower_collection)
|> cast_and_filter_recipients("cc", follower_collection)
|> cast_and_filter_recipients("bto", follower_collection)

2
lib/pleroma/web/activity_pub/object_validators/event_validator.ex
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@ -62,7 +62,7 @@ def changeset(struct, data) do
defp validate_data(data_cng) do
data_cng
|> validate_inclusion(:type, ["Event"])
|> validate_required([:id, :actor, :attributedTo, :type, :context, :context_id])
|> validate_required([:id, :actor, :attributedTo, :type, :context])
|> CommonValidations.validate_any_presence([:cc, :to])
|> CommonValidations.validate_fields_match([:actor, :attributedTo])
|> CommonValidations.validate_actor_presence()

2
lib/pleroma/web/activity_pub/object_validators/question_validator.ex
View file

@ -80,7 +80,7 @@ def changeset(struct, data) do
defp validate_data(data_cng) do
data_cng
|> validate_inclusion(:type, ["Question"])
|> validate_required([:id, :actor, :attributedTo, :type, :context, :context_id])
|> validate_required([:id, :actor, :attributedTo, :type, :context])
|> CommonValidations.validate_any_presence([:cc, :to])
|> CommonValidations.validate_fields_match([:actor, :attributedTo])
|> CommonValidations.validate_actor_presence()

23
lib/pleroma/web/activity_pub/utils.ex
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@ -154,22 +154,7 @@ def get_notified_from_object(object) do
Notification.get_notified_from_activity(%Activity{data: object}, false)
end
def create_context(context) do
context = context || generate_id("contexts")
# Ecto has problems accessing the constraint inside the jsonb,
# so we explicitly check for the existed object before insert
object = Object.get_cached_by_ap_id(context)
with true <- is_nil(object),
changeset <- Object.context_mapping(context),
{:ok, inserted_object} <- Repo.insert(changeset) do
inserted_object
else
_ ->
object
end
end
def maybe_create_context(context), do: context || generate_id("contexts")
@doc """
Enqueues an activity for federation if it's local
@ -201,18 +186,16 @@ def lazy_put_activity_defaults(map, true) do
|> Map.put_new("id", "pleroma:fakeid")
|> Map.put_new_lazy("published", &make_date/0)
|> Map.put_new("context", "pleroma:fakecontext")
|> Map.put_new("context_id", -1)
|> lazy_put_object_defaults(true)
end
def lazy_put_activity_defaults(map, _fake?) do
%{data: %{"id" => context}, id: context_id} = create_context(map["context"])
context = maybe_create_context(map["context"])
map
|> Map.put_new_lazy("id", &generate_activity_id/0)
|> Map.put_new_lazy("published", &make_date/0)
|> Map.put_new("context", context)
|> Map.put_new("context_id", context_id)
|> lazy_put_object_defaults(false)
end
@ -226,7 +209,6 @@ defp lazy_put_object_defaults(%{"object" => map} = activity, true)
|> Map.put_new("id", "pleroma:fake_object_id")
|> Map.put_new_lazy("published", &make_date/0)
|> Map.put_new("context", activity["context"])
|> Map.put_new("context_id", activity["context_id"])
|> Map.put_new("fake", true)
%{activity | "object" => object}
@ -239,7 +221,6 @@ defp lazy_put_object_defaults(%{"object" => map} = activity, _)
|> Map.put_new_lazy("id", &generate_object_id/0)
|> Map.put_new_lazy("published", &make_date/0)
|> Map.put_new("context", activity["context"])
|> Map.put_new("context_id", activity["context_id"])
%{activity | "object" => object}
end

29
lib/pleroma/web/common_api/utils.ex
View file

@ -458,35 +458,6 @@ def get_report_statuses(%User{ap_id: actor}, %{status_ids: status_ids})
def get_report_statuses(_, _), do: {:ok, nil}
# DEPRECATED mostly, context objects are now created at insertion time.
def context_to_conversation_id(context) do
with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
id
else
_e ->
changeset = Object.context_mapping(context)
case Repo.insert(changeset) do
{:ok, %{id: id}} ->
id
# This should be solved by an upsert, but it seems ecto
# has problems accessing the constraint inside the jsonb.
{:error, _} ->
Object.get_cached_by_ap_id(context).id
end
end
end
def conversation_id_to_context(id) do
with %Object{data: %{"id" => context}} <- Repo.get(Object, id) do
context
else
_e ->
{:error, dgettext("errors", "No such conversation")}
end
end
def validate_character_limit("" = _full_payload, [] = _attachments) do
{:error, dgettext("errors", "Cannot post an empty status without attachments")}
end

5
lib/pleroma/web/mastodon_api/views/status_view.ex
View file

@ -57,11 +57,8 @@ defp get_replied_to_activities(activities) do
end)
end
defp get_context_id(%{data: %{"context_id" => context_id}}) when not is_nil(context_id),
do: context_id
defp get_context_id(%{data: %{"context" => context}}) when is_binary(context),
do: Utils.context_to_conversation_id(context)
do: :erlang.crc32(context)
defp get_context_id(_), do: nil

14
priv/repo/optional_migrations/destructive/remove_null_object_type_records/20220806014830_remove_null_objects.exs Normal file
View file

@ -0,0 +1,14 @@
defmodule Pleroma.Repo.Migrations.RemoveNullObjects do
use Ecto.Migration
def up do
statement = """
DELETE FROM objects
WHERE (data->>'type') is null;
"""
execute(statement)
end
def down, do: :ok
end

5
test/pleroma/web/activity_pub/activity_pub_test.exs
View file

@ -523,7 +523,6 @@ test "inserts a given map into the activity database, giving it an id if it has
assert activity.data["ok"] == data["ok"]
assert activity.data["id"] == given_id
assert activity.data["context"] == "blabla"
assert activity.data["context_id"]
end
test "adds a context when none is there" do
@ -545,8 +544,6 @@ test "adds a context when none is there" do
assert is_binary(activity.data["context"])
assert is_binary(object.data["context"])
assert activity.data["context_id"]
assert object.data["context_id"]
end
test "adds an id to a given object if it lacks one and is a note and inserts it to the object database" do
@ -1560,7 +1557,7 @@ test "it can create a Flag activity",
})
assert Repo.aggregate(Activity, :count, :id) == 1
assert Repo.aggregate(Object, :count, :id) == 2
assert Repo.aggregate(Object, :count, :id) == 1
assert Repo.aggregate(Notification, :count, :id) == 0
end
end

3
test/pleroma/web/activity_pub/transmogrifier/question_handling_test.exs
View file

@ -33,8 +33,6 @@ test "Mastodon Question activity" do
assert object.data["context"] ==
"tag:mastodon.sdf.org,2019-05-10:objectId=15095122:objectType=Conversation"
assert object.data["context_id"]
assert object.data["anyOf"] == []
assert Enum.sort(object.data["oneOf"]) ==
@ -68,7 +66,6 @@ test "Mastodon Question activity" do
reply_object = Object.normalize(reply_activity, fetch: false)
assert reply_object.data["context"] == object.data["context"]
assert reply_object.data["context_id"] == object.data["context_id"]
end
test "Mastodon Question activity with HTML tags in plaintext" do

2
test/pleroma/web/activity_pub/transmogrifier_test.exs
View file

@ -232,7 +232,6 @@ test "it strips internal fields" do
assert is_nil(modified["object"]["like_count"])
assert is_nil(modified["object"]["announcements"])
assert is_nil(modified["object"]["announcement_count"])
assert is_nil(modified["object"]["context_id"])
assert is_nil(modified["object"]["generator"])
end
@ -247,7 +246,6 @@ test "it strips internal fields of article" do
assert is_nil(modified["object"]["like_count"])
assert is_nil(modified["object"]["announcements"])
assert is_nil(modified["object"]["announcement_count"])
assert is_nil(modified["object"]["context_id"])
assert is_nil(modified["object"]["likes"])
end

4
test/pleroma/web/activity_pub/utils_test.exs
View file

@ -429,7 +429,6 @@ test "returns map with id and published data" do
object = Object.normalize(note_activity, fetch: false)
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
@ -437,7 +436,6 @@ test "returns map with id and published data" do
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)
@ -454,13 +452,11 @@ test "returns activity data with object" do
})
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

28
test/pleroma/web/common_api/utils_test.exs
View file

@ -4,7 +4,6 @@
defmodule Pleroma.Web.CommonAPI.UtilsTest do
alias Pleroma.Builders.UserBuilder
alias Pleroma.Object
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.CommonAPI.ActivityDraft
alias Pleroma.Web.CommonAPI.Utils
@ -273,22 +272,6 @@ test "delegated renderers" do
end
end
describe "context_to_conversation_id" do
test "creates a mapping object" do
conversation_id = Utils.context_to_conversation_id("random context")
object = Object.get_by_ap_id("random context")
assert conversation_id == object.id
end
test "returns an existing mapping for an existing object" do
{:ok, object} = Object.context_mapping("random context") |> Repo.insert()
conversation_id = Utils.context_to_conversation_id("random context")
assert conversation_id == object.id
end
end
describe "formats date to asctime" do
test "when date is in ISO 8601 format" do
date = DateTime.utc_now() |> DateTime.to_iso8601()
@ -517,17 +500,6 @@ test "returns empty string when date invalid" do
end
end
describe "conversation_id_to_context/1" do
test "returns id" do
object = insert(:note)
assert Utils.conversation_id_to_context(object.id) == object.data["id"]
end
test "returns error if object not found" do
assert Utils.conversation_id_to_context("123") == {:error, "No such conversation"}
end
end
describe "maybe_notify_mentioned_recipients/2" do
test "returns recipients when activity is not `Create`" do
activity = insert(:like_activity)

3
test/pleroma/web/mastodon_api/views/status_view_test.exs
View file

@ -14,7 +14,6 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
alias Pleroma.User
alias Pleroma.UserRelationship
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.CommonAPI.Utils
alias Pleroma.Web.MastodonAPI.AccountView
alias Pleroma.Web.MastodonAPI.StatusView
@ -240,7 +239,7 @@ test "a note activity" do
object_data = Object.normalize(note, fetch: false).data
user = User.get_cached_by_ap_id(note.data["actor"])
convo_id = Utils.context_to_conversation_id(object_data["context"])
convo_id = :erlang.crc32(object_data["context"])
status = StatusView.render("show.json", %{activity: note})