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activitypub transmogrifier: rewrite non-http URLs using the object's external URL

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Signed-off-by: lain <lain@soykaf.club>
This commit is contained in:
William Pitcock 2018-03-13 17:46:37 +00:00 committed by lain
parent 68aa9a2826
commit 59a76ea464
2 changed files with 33 additions and 0 deletions
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20
lib/pleroma/web/activity_pub/transmogrifier.ex
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@ -210,11 +210,31 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
def prepare_outgoing(%{"type" => type} = data) do
data = data
|> maybe_fix_object_url
|> Map.put("@context", "https://www.w3.org/ns/activitystreams")
{:ok, data}
end
def maybe_fix_object_url(data) do
if is_binary(data["object"]) and not String.starts_with?(data["object"], "http") do
case ActivityPub.fetch_object_from_id(data["object"]) do
{:ok, relative_object} ->
if relative_object.data["external_url"] do
data = data
|> Map.put("object", relative_object.data["external_url"])
else
data
end
e ->
Logger.error("Couldn't fetch #{data["object"]} #{inspect(e)}")
data
end
else
data
end
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

13
test/web/activity_pub/transmogrifier_test.exs
View file

@ -1,6 +1,7 @@
defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
use Pleroma.DataCase
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.OStatus
alias Pleroma.Activity
alias Pleroma.User
alias Pleroma.Repo
@ -220,6 +221,18 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
assert modified["object"]["actor"] == modified["object"]["attributedTo"]
end
test "it translates ostatus IDs to external URLs" do
incoming = File.read!("test/fixtures/incoming_note_activity.xml")
{:ok, [referent_activity]} = OStatus.handle_incoming(incoming)
user = insert(:user)
{:ok, activity, _} = CommonAPI.favorite(referent_activity.id, user)
{:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
assert modified["object"] == "http://gs.example.org:4040/index.php/notice/29"
end
end
describe "user upgrade" do