Add support for Image objects

CHANGELOG.md

@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Allow users to remove their emails if instance does not need email to register
 
 ### Added
+- Support for Image activities, namely from Hubzilla
 
 ### Fixed
 - Subscription(Bell) Notifications: Don't create from Pipeline Ingested replies

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -92,7 +92,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp increase_replies_count_if_reply(_create_data), do: :noop
 
-  @object_types ~w[ChatMessage Question Answer Audio Video Event Article Note Page]
+  @object_types ~w[ChatMessage Question Answer Audio Video Image Event Article Note Page]
   @impl true
   def persist(%{"type" => type} = object, meta) when type in @object_types do
     with {:ok, object} <- Object.create(object) do

lib/pleroma/web/activity_pub/object_validator.ex

@@ -21,7 +21,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
   alias Pleroma.Web.ActivityPub.ObjectValidators.AnnounceValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.AnswerValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.ArticleNotePageValidator
-  alias Pleroma.Web.ActivityPub.ObjectValidators.AudioVideoValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.AudioImageVideoValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.BlockValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator
@@ -102,7 +102,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
         %{"type" => "Create", "object" => %{"type" => objtype} = object} = create_activity,
         meta
       )
-      when objtype in ~w[Question Answer Audio Video Event Article Note Page] do
+      when objtype in ~w[Question Answer Audio Video Image Event Article Note Page] do
     with {:ok, object_data} <- cast_and_apply(object),
          meta = Keyword.put(meta, :object_data, object_data |> stringify_keys),
          {:ok, create_activity} <-
@@ -115,13 +115,14 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
   end
 
   def validate(%{"type" => type} = object, meta)
-      when type in ~w[Event Question Audio Video Article Note Page] do
+      when type in ~w[Event Question Audio Video Image Article Note Page] do
     validator =
       case type do
         "Event" -> EventValidator
         "Question" -> QuestionValidator
-        "Audio" -> AudioVideoValidator
+        "Audio" -> AudioImageVideoValidator
-        "Video" -> AudioVideoValidator
+        "Video" -> AudioImageVideoValidator
+        "Image" -> AudioImageVideoValidator
         "Article" -> ArticleNotePageValidator
         "Note" -> ArticleNotePageValidator
         "Page" -> ArticleNotePageValidator
@@ -190,8 +191,8 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
     AnswerValidator.cast_and_apply(object)
   end
 
-  def cast_and_apply(%{"type" => type} = object) when type in ~w[Audio Video] do
+  def cast_and_apply(%{"type" => type} = object) when type in ~w[Audio Image Video] do
-    AudioVideoValidator.cast_and_apply(object)
+    AudioImageVideoValidator.cast_and_apply(object)
   end
 
   def cast_and_apply(%{"type" => "Event"} = object) do

lib/pleroma/web/activity_pub/object_validators/audio_image_video_validator.ex

@@ -2,7 +2,7 @@
 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
-defmodule Pleroma.Web.ActivityPub.ObjectValidators.AudioVideoValidator do
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.AudioImageVideoValidator do
   use Ecto.Schema
 
   alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
@@ -55,9 +55,14 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AudioVideoValidator do
     url
     |> Enum.concat(mpeg_url["tag"] || [])
     |> Enum.find(fn
-      %{"mediaType" => mime_type} -> String.starts_with?(mime_type, ["video/", "audio/"])
+      %{"mediaType" => mime_type} ->
-      %{"mimeType" => mime_type} -> String.starts_with?(mime_type, ["video/", "audio/"])
+        String.starts_with?(mime_type, ["video/", "audio/", "image/"])
-      _ -> false
+
+      %{"mimeType" => mime_type} ->
+        String.starts_with?(mime_type, ["video/", "audio/", "image/"])
+
+      _ ->
+        false
     end)
   end
 
@@ -110,8 +115,9 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AudioVideoValidator do
 
   defp validate_data(data_cng) do
     data_cng
-    |> validate_inclusion(:type, ["Audio", "Video"])
+    |> validate_inclusion(:type, ~w[Audio Image Video])
     |> validate_required([:id, :actor, :attributedTo, :type, :context, :attachment])
+    |> validate_length(:attachment, min: 1)
     |> CommonValidations.validate_any_presence([:cc, :to])
     |> CommonValidations.validate_fields_match([:actor, :attributedTo])
     |> CommonValidations.validate_actor_presence()

lib/pleroma/web/activity_pub/side_effects.ex

@@ -444,7 +444,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
   end
 
   def handle_object_creation(%{"type" => objtype} = object, _activity, meta)
-      when objtype in ~w[Audio Video Event Article Note Page] do
+      when objtype in ~w[Audio Video Image Event Article Note Page] do
     with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do
       {:ok, object, meta}
     end

lib/pleroma/web/activity_pub/transmogrifier.ex

@@ -447,7 +447,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
         %{"type" => "Create", "object" => %{"type" => objtype, "id" => obj_id}} = data,
         options
       )
-      when objtype in ~w{Question Answer ChatMessage Audio Video Event Article Note Page} do
+      when objtype in ~w{Question Answer ChatMessage Audio Video Event Article Note Page Image} do
     fetch_options = Keyword.put(options, :depth, (options[:depth] || 0) + 1)
 
     object =

lib/pleroma/web/activity_pub/utils.ex

@@ -31,7 +31,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     "Page",
     "Question",
     "Answer",
-    "Audio"
+    "Audio",
+    "Image"
   ]
   @strip_status_report_states ~w(closed resolved)
   @supported_report_states ~w(open closed resolved)

test/fixtures/hubzilla-actor.json

@@ -0,0 +1 @@
+{"@context":["https://www.w3.org/ns/activitystreams","https://w3id.org/security/v1","https://hub.somaton.com/apschema/v1.9"],"type":"Person","id":"https://hub.somaton.com/channel/testc6","preferredUsername":"testc6","name":"testc6 lala","updated":"2021-08-29T10:07:23Z","icon":{"type":"Image","mediaType":"image/png","updated":"2021-10-09T04:54:35Z","url":"https://hub.somaton.com/photo/profile/l/33","height":300,"width":300},"url":"https://hub.somaton.com/channel/testc6","publicKey":{"id":"https://hub.somaton.com/channel/testc6","owner":"https://hub.somaton.com/channel/testc6","publicKeyPem":"-----BEGIN PUBLIC KEY-----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\nUj+8TPZooKulxtQ9ezergr0CAwEAAQ==\n-----END PUBLIC KEY-----\n"},"outbox":"https://hub.somaton.com/outbox/testc6","inbox":"https://hub.somaton.com/inbox/testc6","followers":"https://hub.somaton.com/followers/testc6","following":"https://hub.somaton.com/following/testc6","endpoints":{"sharedInbox":"https://hub.somaton.com/inbox"},"discoverable":false,"signature":{"@context":["https://www.w3.org/ns/activitystreams","https://w3id.org/security/v1"],"type":"RsaSignature2017","nonce":"8d6dea03f04cbb7faaf43958a4cf39a115ff1c61c7febaa6154c463eab9a42c8","creator":"https://hub.somaton.com/channel/testc6","created":"2021-10-13T18:21:48Z","signatureValue":"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"}}

test/fixtures/hubzilla-create-image.json

@@ -0,0 +1 @@
+{"@context":["https://www.w3.org/ns/activitystreams","https://w3id.org/security/v1","https://hub.somaton.com/apschema/v1.9"],"type":"Create","id":"https://hub.somaton.com/activity/452583b2-7e1f-4ac3-8334-ff666f134afe","diaspora:guid":"452583b2-7e1f-4ac3-8334-ff666f134afe","name":"daf82c18ef92a84cda72(1).jpg","published":"2021-10-12T21:28:26Z","actor":"https://hub.somaton.com/channel/testc6","object":{"type":"Image","name":"daf82c18ef92a84cda72(1).jpg","published":"2021-10-12T21:28:23Z","updated":"2021-10-12T21:28:23Z","attributedTo":"https://hub.somaton.com/channel/testc6","id":"https://hub.somaton.com/photo/452583b2-7e1f-4ac3-8334-ff666f134afe","url":[{"type":"Link","mediaType":"image/jpeg","href":"https://hub.somaton.com/photo/452583b2-7e1f-4ac3-8334-ff666f134afe-0.jpg","width":2200,"height":2200},{"type":"Link","mediaType":"image/jpeg","href":"https://hub.somaton.com/photo/452583b2-7e1f-4ac3-8334-ff666f134afe-1.jpg","width":1024,"height":1024},{"type":"Link","mediaType":"image/jpeg","href":"https://hub.somaton.com/photo/452583b2-7e1f-4ac3-8334-ff666f134afe-2.jpg","width":640,"height":640},{"type":"Link","mediaType":"image/jpeg","href":"https://hub.somaton.com/photo/452583b2-7e1f-4ac3-8334-ff666f134afe-3.jpg","width":320,"height":320},{"type":"Link","mediaType":"text/html","href":"https://hub.somaton.com/photos/testc6/image/452583b2-7e1f-4ac3-8334-ff666f134afe"}],"source":{"content":"[footer][zrl=https://hub.somaton.com/channel/testc6]testc6 lala[/zrl] posted [zrl=https://hub.somaton.com/photos/testc6/image/452583b2-7e1f-4ac3-8334-ff666f134afe]a new photo[/zrl] to [zrl=https://hub.somaton.com/photos/testc6/album/1e9b0d74-633e-4bd0-b37f-694bb0ed0145]test[/zrl][/footer]","mediaType":"text/bbcode"},"content":"<div class=\"wall-item-footer\"><a class=\"zrl\" href=\"https://hub.somaton.com/channel/testc6\"  target=\"_blank\"  rel=\"nofollow noopener\" >testc6 lala</a> posted <a class=\"zrl\" href=\"https://hub.somaton.com/photos/testc6/image/452583b2-7e1f-4ac3-8334-ff666f134afe\"  target=\"_blank\"  rel=\"nofollow noopener\" >a new photo</a> to <a class=\"zrl\" href=\"https://hub.somaton.com/photos/testc6/album/1e9b0d74-633e-4bd0-b37f-694bb0ed0145\"  target=\"_blank\"  rel=\"nofollow noopener\" >test</a></div>","to":["https://www.w3.org/ns/activitystreams#Public"],"cc":["https://hub.somaton.com/followers/testc6"]},"target":{"type":"orderedCollection","name":"test","id":"https://hub.somaton.com/album/testc6/test"},"to":["https://www.w3.org/ns/activitystreams#Public"],"cc":["https://hub.somaton.com/followers/testc6"],"signature":{"@context":["https://www.w3.org/ns/activitystreams","https://w3id.org/security/v1"],"type":"RsaSignature2017","nonce":"e0d077edccf262f02ed59ff67e91a5324ccaffc3d2b3f23793b4bd24cdbe70bb","creator":"https://hub.somaton.com/channel/testc6","created":"2021-10-13T18:39:05Z","signatureValue":"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"}}

test/pleroma/web/activity_pub/transmogrifier/image_handling_test.exs

@@ -0,0 +1,48 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.Transmogrifier.ImageHandlingTest do
+  use Oban.Testing, repo: Pleroma.Repo
+  use Pleroma.DataCase
+
+  alias Pleroma.Activity
+  alias Pleroma.Object
+  alias Pleroma.Web.ActivityPub.Transmogrifier
+
+  test "Hubzilla Image object" do
+    Tesla.Mock.mock(fn
+      %{url: "https://hub.somaton.com/channel/testc6"} ->
+        %Tesla.Env{
+          status: 200,
+          body: File.read!("test/fixtures/hubzilla-actor.json"),
+          headers: HttpRequestMock.activitypub_object_headers()
+        }
+    end)
+
+    data = File.read!("test/fixtures/hubzilla-create-image.json") |> Poison.decode!()
+
+    {:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
+
+    assert object = Object.normalize(activity, fetch: false)
+
+    assert object.data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
+
+    assert object.data["cc"] == ["https://hub.somaton.com/followers/testc6"]
+
+    assert object.data["attachment"] == [
+             %{
+               "mediaType" => "image/jpeg",
+               "type" => "Link",
+               "url" => [
+                 %{
+                   "href" =>
+                     "https://hub.somaton.com/photo/452583b2-7e1f-4ac3-8334-ff666f134afe-0.jpg",
+                   "mediaType" => "image/jpeg",
+                   "type" => "Link"
+                 }
+               ]
+             }
+           ]
+  end
+end