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diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 076bd2ea8..075250aa5 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -1,170 +1,177 @@
defmodule Pleroma.Web.ActivityPub.Transmogrifier do
@moduledoc """
A module to handle coding from internal to wire ActivityPub and back.
"""
alias Pleroma.User
alias Pleroma.Object
alias Pleroma.Activity
alias Pleroma.Web.ActivityPub.ActivityPub
@doc """
Modifies an incoming AP object (mastodon format) to our internal format.
"""
def fix_object(object) do
object
|> Map.put("actor", object["attributedTo"])
|> fix_attachments
+ |> fix_context
+ end
+
+ def fix_context(object) do
+ object
+ |> Map.put("context", object["conversation"])
end
def fix_attachments(object) do
attachments = (object["attachment"] || [])
|> Enum.map(fn (data) ->
url = [%{"type" => "Link", "mediaType" => data["mediaType"], "href" => data["url"]}]
Map.put(data, "url", url)
end)
object
|> Map.put("attachment", attachments)
end
# TODO: validate those with a Ecto scheme
# - tags
# - emoji
def handle_incoming(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do
with %User{} = user <- User.get_or_fetch_by_ap_id(data["actor"]) do
object = fix_object(data["object"])
params = %{
to: data["to"],
object: object,
actor: user,
context: data["object"]["conversation"],
local: false,
published: data["published"],
additional: Map.take(data, [
"cc",
"id"
])
}
ActivityPub.create(params)
else
_e -> :error
end
end
def handle_incoming(%{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data) do
with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
%User{} = follower <- User.get_or_fetch_by_ap_id(follower),
{:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
ActivityPub.accept(%{to: [follower.ap_id], actor: followed.ap_id, object: data, local: true})
User.follow(follower, followed)
{:ok, activity}
else
_e -> :error
end
end
def handle_incoming(%{"type" => "Like", "object" => object_id, "actor" => actor, "id" => id} = data) do
with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
%Object{} = object <- Object.get_by_ap_id(object_id),
{:ok, activity, object} <- ActivityPub.like(actor, object, id, false) do
{:ok, activity}
else
_e -> :error
end
end
def handle_incoming(%{"type" => "Announce", "object" => object_id, "actor" => actor, "id" => id} = data) do
with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
{:ok, object} <- get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
{:ok, activity, object} <- ActivityPub.announce(actor, object, id, false) do
{:ok, activity}
else
_e -> :error
end
end
# TODO
# Accept
# Undo
def handle_incoming(_), do: :error
def get_obj_helper(id) do
if object = Object.get_by_ap_id(id), do: {:ok, object}, else: nil
end
@doc
"""
internal -> Mastodon
"""
def prepare_outgoing(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do
object = object
|> set_sensitive
|> add_hashtags
|> add_mention_tags
|> add_attributed_to
|> prepare_attachments
|> set_conversation
data = data
|> Map.put("object", object)
|> Map.put("@context", "https://www.w3.org/ns/activitystreams")
{:ok, data}
end
def prepare_outgoing(%{"type" => type} = data) do
data = data
|> Map.put("@context", "https://www.w3.org/ns/activitystreams")
{:ok, data}
end
def add_hashtags(object) do
tags = (object["tag"] || [])
|> Enum.map fn (tag) -> %{"href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}", "name" => "##{tag}", "type" => "Hashtag"} end
object
|> Map.put("tag", tags)
end
def add_mention_tags(object) do
- mentions = object["to"]
+ recipients = object["to"] ++ (object["cc"] || [])
+ mentions = recipients
|> Enum.map(fn (ap_id) -> User.get_cached_by_ap_id(ap_id) end)
|> Enum.filter(&(&1))
|> Enum.map(fn(user) -> %{"type" => "Mention", "href" => user.ap_id, "name" => "@#{user.nickname}"} end)
tags = object["tag"] || []
object
|> Map.put("tag", tags ++ mentions)
end
def set_conversation(object) do
Map.put(object, "conversation", object["context"])
end
def set_sensitive(object) do
tags = object["tag"] || []
Map.put(object, "sensitive", "nsfw" in tags)
end
def add_attributed_to(object) do
attributedTo = object["attributedTo"] || object["actor"]
object
|> Map.put("attributedTo", attributedTo)
end
def prepare_attachments(object) do
attachments = (object["attachment"] || [])
|> Enum.map(fn (data) ->
[%{"mediaType" => media_type, "href" => href} | _] = data["url"]
%{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"}
end)
object
|> Map.put("attachment", attachments)
end
end
diff --git a/test/web/activity_pub/transmogrifier_test.exs b/test/web/activity_pub/transmogrifier_test.exs
index 08f8e8206..45e284157 100644
--- a/test/web/activity_pub/transmogrifier_test.exs
+++ b/test/web/activity_pub/transmogrifier_test.exs
@@ -1,152 +1,154 @@
defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
use Pleroma.DataCase
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Activity
alias Pleroma.User
alias Pleroma.Repo
import Ecto.Query
import Pleroma.Factory
alias Pleroma.Web.CommonAPI
describe "handle_incoming" do
test "it works for incoming notices" do
data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!
{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
assert data["id"] == "http://mastodon.example.org/users/admin/statuses/99512778738411822/activity"
assert data["context"] == "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"
assert data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
assert data["cc"] == [
"http://mastodon.example.org/users/admin/followers",
"http://localtesting.pleroma.lol/users/lain"
]
assert data["actor"] == "http://mastodon.example.org/users/admin"
object = data["object"]
assert object["id"] == "http://mastodon.example.org/users/admin/statuses/99512778738411822"
assert object["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
assert object["cc"] == [
"http://mastodon.example.org/users/admin/followers",
"http://localtesting.pleroma.lol/users/lain"
]
assert object["actor"] == "http://mastodon.example.org/users/admin"
assert object["attributedTo"] == "http://mastodon.example.org/users/admin"
+ assert object["context"] == "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"
assert object["sensitive"] == true
end
test "it works for incoming follow requests" do
user = insert(:user)
data = File.read!("test/fixtures/mastodon-follow-activity.json") |> Poison.decode!
|> Map.put("object", user.ap_id)
{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
assert data["actor"] == "http://mastodon.example.org/users/admin"
assert data["type"] == "Follow"
assert data["id"] == "http://mastodon.example.org/users/admin#follows/2"
assert User.following?(User.get_by_ap_id(data["actor"]), user)
end
test "it works for incoming likes" do
user = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
data = File.read!("test/fixtures/mastodon-like.json") |> Poison.decode!
|> Map.put("object", activity.data["object"]["id"])
{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
assert data["actor"] == "http://mastodon.example.org/users/admin"
assert data["type"] == "Like"
assert data["id"] == "http://mastodon.example.org/users/admin#likes/2"
assert data["object"] == activity.data["object"]["id"]
end
test "it works for incoming announces" do
data = File.read!("test/fixtures/mastodon-announce.json") |> Poison.decode!
{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
assert data["actor"] == "http://mastodon.example.org/users/admin"
assert data["type"] == "Announce"
assert data["id"] == "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
assert data["object"] == "http://mastodon.example.org/users/admin/statuses/99541947525187367"
assert Activity.get_create_activity_by_object_ap_id(data["object"])
end
test "it works for incoming announces with an existing activity" do
user = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
data = File.read!("test/fixtures/mastodon-announce.json")
|> Poison.decode!
|> Map.put("object", activity.data["object"]["id"])
{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
assert data["actor"] == "http://mastodon.example.org/users/admin"
assert data["type"] == "Announce"
assert data["id"] == "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
assert data["object"] == activity.data["object"]["id"]
assert Activity.get_create_activity_by_object_ap_id(data["object"]).id == activity.id
end
end
describe "prepare outgoing" do
test "it turns mentions into tags" do
user = insert(:user)
other_user = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "hey, @#{other_user.nickname}, how are ya? #2hu"})
{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
object = modified["object"]
expected_mention = %{
"href" => other_user.ap_id,
"name" => "@#{other_user.nickname}",
"type" => "Mention"
}
+
expected_tag = %{
"href" => Pleroma.Web.Endpoint.url <> "/tags/2hu",
"type" => "Hashtag",
"name" => "#2hu"
}
assert Enum.member?(object["tag"], expected_tag)
assert Enum.member?(object["tag"], expected_mention)
end
test "it adds the sensitive property" do
user = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "#nsfw hey"})
{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
assert modified["object"]["sensitive"]
end
test "it adds the json-ld context and the conversation property" do
user = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
assert modified["@context"] == "https://www.w3.org/ns/activitystreams"
assert modified["object"]["conversation"] == modified["context"]
end
test "it sets the 'attributedTo' property to the actor of the object if it doesn't have one" do
user = insert(:user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
assert modified["object"]["actor"] == modified["object"]["attributedTo"]
end
end
end

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