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Merge remote-tracking branch 'oneric/fedfix-public-ld' into develop

This commit is contained in:
Floatingghost 2024-04-26 18:49:31 +01:00
commit 828158ef49
3 changed files with 162 additions and 80 deletions

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@ -33,6 +33,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
- /api/pleroma/notification\_settings was rejecting body parameters;
this also broke changing this setting via akkoma-fe
- Issue leading to Mastodon bot accounts being rejected
- Scope misdetection of remote posts resulting from not recognising
JSON-LD-compacted forms of public scope; affected e.g. federation with bovine
## Removed
- ActivityPub Client-To-Server write API endpoints have been disabled;

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@ -58,21 +58,48 @@ def fix_summary(%{"summary" => _} = object) do
def fix_summary(object), do: Map.put(object, "summary", "")
def fix_addressing_list(map, field) do
addrs = map[field]
defp fix_addressing_list(addrs) do
cond do
is_list(addrs) ->
Map.put(map, field, Enum.filter(addrs, &is_binary/1))
is_binary(addrs) ->
Map.put(map, field, [addrs])
true ->
Map.put(map, field, [])
is_list(addrs) -> Enum.filter(addrs, &is_binary/1)
is_binary(addrs) -> [addrs]
true -> []
end
end
# Due to JSON-LD simply "Public" and "as:Public" are equivalent to the full URI
# but to simplify later checks we only want to deal with one reperesentation internally
defp normalise_addressing_public_list(map, all_fields)
defp normalise_addressing_public_list(%{} = map, [field | fields]) do
full_uri = Pleroma.Constants.as_public()
map =
if map[field] != nil do
new_fval =
map[field]
|> fix_addressing_list()
|> Enum.map(fn
"Public" -> full_uri
"as:Public" -> full_uri
x -> x
end)
Map.put(map, field, new_fval)
else
map
end
normalise_addressing_public_list(map, fields)
end
defp normalise_addressing_public_list(map, _) do
map
end
defp normalise_addressing_public(map) do
normalise_addressing_public_list(map, ["to", "cc", "bto", "bcc"])
end
# if directMessage flag is set to true, leave the addressing alone
def fix_explicit_addressing(%{"directMessage" => true} = object, _follower_collection),
do: object
@ -96,6 +123,10 @@ def fix_explicit_addressing(%{"to" => to, "cc" => cc} = object, follower_collect
|> Map.put("cc", final_cc)
end
def fix_addressing_list_key(map, field) do
Map.put(map, field, fix_addressing_list(map[field]))
end
def fix_addressing(object) do
{:ok, %User{follower_address: follower_collection}} =
object
@ -103,10 +134,10 @@ def fix_addressing(object) do
|> User.get_or_fetch_by_ap_id()
object
|> fix_addressing_list("to")
|> fix_addressing_list("cc")
|> fix_addressing_list("bto")
|> fix_addressing_list("bcc")
|> fix_addressing_list_key("to")
|> fix_addressing_list_key("cc")
|> fix_addressing_list_key("bto")
|> fix_addressing_list_key("bcc")
|> fix_explicit_addressing(follower_collection)
|> CommonFixes.fix_implicit_addressing(follower_collection)
end
@ -383,11 +414,28 @@ defp get_reported(objects) do
end)
end
def handle_incoming(data, options \\ [])
def handle_incoming(data, options \\ []) do
data = normalise_addressing_public(data)
data =
if data["object"] != nil do
object = normalise_addressing_public(data["object"])
Map.put(data, "object", object)
else
data
end
handle_incoming_normalised(data, options)
end
defp handle_incoming_normalised(data, options)
# Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
# with nil ID.
def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} = data, _options) do
defp handle_incoming_normalised(
%{"type" => "Flag", "object" => objects, "actor" => actor} = data,
_options
) do
with context <- data["context"] || Utils.generate_context_id(),
content <- data["content"] || "",
%User{} = actor <- User.get_cached_by_ap_id(actor),
@ -408,20 +456,21 @@ def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} =
end
# disallow objects with bogus IDs
def handle_incoming(%{"id" => nil}, _options), do: :error
def handle_incoming(%{"id" => ""}, _options), do: :error
defp handle_incoming_normalised(%{"id" => nil}, _options), do: :error
defp handle_incoming_normalised(%{"id" => ""}, _options), do: :error
# length of https:// = 8, should validate better, but good enough for now.
def handle_incoming(%{"id" => id}, _options) when is_binary(id) and byte_size(id) < 8,
do: :error
defp handle_incoming_normalised(%{"id" => id}, _options)
when is_binary(id) and byte_size(id) < 8,
do: :error
@doc "Rewrite misskey likes into EmojiReacts"
def handle_incoming(
%{
"type" => "Like",
"content" => reaction
} = data,
options
) do
# Rewrite misskey likes into EmojiReacts
defp handle_incoming_normalised(
%{
"type" => "Like",
"content" => reaction
} = data,
options
) do
if Pleroma.Emoji.is_unicode_emoji?(reaction) || Pleroma.Emoji.matches_shortcode?(reaction) do
data
|> Map.put("type", "EmojiReact")
@ -433,11 +482,11 @@ def handle_incoming(
end
end
def handle_incoming(
%{"type" => "Create", "object" => %{"type" => objtype, "id" => obj_id}} = data,
options
)
when objtype in ~w{Question Answer Audio Video Event Article Note Page} do
defp handle_incoming_normalised(
%{"type" => "Create", "object" => %{"type" => objtype, "id" => obj_id}} = data,
options
)
when objtype in ~w{Question Answer Audio Video Event Article Note Page} do
fetch_options = Keyword.put(options, :depth, (options[:depth] || 0) + 1)
object =
@ -469,8 +518,8 @@ def handle_incoming(
end
end
def handle_incoming(%{"type" => type} = data, _options)
when type in ~w{Like EmojiReact Announce Add Remove} do
defp handle_incoming_normalised(%{"type" => type} = data, _options)
when type in ~w{Like EmojiReact Announce Add Remove} do
with :ok <- ObjectValidator.fetch_actor_and_object(data),
{:ok, activity, _meta} <- Pipeline.common_pipeline(data, local: false) do
{:ok, activity}
@ -480,11 +529,11 @@ def handle_incoming(%{"type" => type} = data, _options)
end
end
def handle_incoming(
%{"type" => type} = data,
_options
)
when type in ~w{Update Block Follow Accept Reject} do
defp handle_incoming_normalised(
%{"type" => type} = data,
_options
)
when type in ~w{Update Block Follow Accept Reject} do
with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
{:ok, activity, _} <-
Pipeline.common_pipeline(data, local: false) do
@ -492,10 +541,10 @@ def handle_incoming(
end
end
def handle_incoming(
%{"type" => "Delete"} = data,
_options
) do
defp handle_incoming_normalised(
%{"type" => "Delete"} = data,
_options
) do
with {:ok, activity, _} <-
Pipeline.common_pipeline(data, local: false) do
{:ok, activity}
@ -515,15 +564,15 @@ def handle_incoming(
end
end
def handle_incoming(
%{
"type" => "Undo",
"object" => %{"type" => "Follow", "object" => followed},
"actor" => follower,
"id" => id
} = _data,
_options
) do
defp handle_incoming_normalised(
%{
"type" => "Undo",
"object" => %{"type" => "Follow", "object" => followed},
"actor" => follower,
"id" => id
} = _data,
_options
) do
with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
{:ok, %User{} = follower} <- User.get_or_fetch_by_ap_id(follower),
{:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
@ -534,28 +583,28 @@ def handle_incoming(
end
end
def handle_incoming(
%{
"type" => "Undo",
"object" => %{"type" => type}
} = data,
_options
)
when type in ["Like", "EmojiReact", "Announce", "Block"] do
defp handle_incoming_normalised(
%{
"type" => "Undo",
"object" => %{"type" => type}
} = data,
_options
)
when type in ["Like", "EmojiReact", "Announce", "Block"] do
with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
{:ok, activity}
end
end
# For Undos that don't have the complete object attached, try to find it in our database.
def handle_incoming(
%{
"type" => "Undo",
"object" => object
} = activity,
options
)
when is_binary(object) do
defp handle_incoming_normalised(
%{
"type" => "Undo",
"object" => object
} = activity,
options
)
when is_binary(object) do
with %Activity{data: data} <- Activity.get_by_ap_id(object) do
activity
|> Map.put("object", data)
@ -565,15 +614,15 @@ def handle_incoming(
end
end
def handle_incoming(
%{
"type" => "Move",
"actor" => origin_actor,
"object" => origin_actor,
"target" => target_actor
},
_options
) do
defp handle_incoming_normalised(
%{
"type" => "Move",
"actor" => origin_actor,
"object" => origin_actor,
"target" => target_actor
},
_options
) do
with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
# Use a dramatically shortened maximum age before refresh here because it is reasonable
# for a user to
@ -588,7 +637,7 @@ def handle_incoming(
end
end
def handle_incoming(_, _), do: :error
defp handle_incoming_normalised(_, _), do: :error
@spec get_obj_helper(String.t(), Keyword.t()) :: {:ok, Object.t()} | nil
def get_obj_helper(id, options \\ []) do

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@ -137,6 +137,37 @@ test "successfully processes incoming AP docs with correct origin" do
assert {:error, :already_present} = ObanHelpers.perform(job)
end
test "successfully normalises public scope descriptors" do
params = %{
"@context" => "https://www.w3.org/ns/activitystreams",
"actor" => "http://mastodon.example.org/users/admin",
"type" => "Create",
"id" => "http://mastodon.example.org/users/admin/activities/1",
"object" => %{
"type" => "Note",
"content" => "hi world!",
"id" => "http://mastodon.example.org/users/admin/objects/1",
"attributedTo" => "http://mastodon.example.org/users/admin",
"to" => ["Public"]
},
"to" => ["as:Public"]
}
assert {:ok, job} = Federator.incoming_ap_doc(params)
assert {:ok, activity} = ObanHelpers.perform(job)
assert activity.data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
object =
from(
object in Pleroma.Object,
where: fragment("(?)->>'id' = ?", object.data, ^activity.data["object"]),
limit: 1
)
|> Repo.one()
assert object.data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
end
test "rejects incoming AP docs with incorrect origin" do
params = %{
"@context" => "https://www.w3.org/ns/activitystreams",