Merge branch 'feature/ingest-blurhash' into 'develop'

Ingest blurhash for attachments if they were federated

Closes #2294

See merge request pleroma/pleroma!3133

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

@@ -15,6 +15,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator do
     field(:type, :string)
     field(:mediaType, :string, default: "application/octet-stream")
     field(:name, :string)
+    field(:blurhash, :string)
 
     embeds_many :url, UrlObjectValidator, primary_key: false do
       field(:type, :string)
@@ -41,7 +42,7 @@ def changeset(struct, data) do
       |> fix_url()
 
     struct
-    |> cast(data, [:type, :mediaType, :name])
+    |> cast(data, [:type, :mediaType, :name, :blurhash])
     |> cast_embed(:url, with: &url_changeset/2)
     |> validate_inclusion(:type, ~w[Link Document Audio Image Video])
     |> validate_required([:type, :mediaType, :url])

lib/pleroma/web/activity_pub/transmogrifier.ex

@@ -252,6 +252,7 @@ def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachm
           }
           |> Maps.put_if_present("mediaType", media_type)
           |> Maps.put_if_present("name", data["name"])
+          |> Maps.put_if_present("blurhash", data["blurhash"])
         else
           nil
         end

lib/pleroma/web/mastodon_api/views/status_view.ex

@@ -435,7 +435,8 @@ def render("attachment.json", %{attachment: attachment}) do
       text_url: href,
       type: type,
       description: attachment["name"],
-      pleroma: %{mime_type: media_type}
+      pleroma: %{mime_type: media_type},
+      blurhash: attachment["blurhash"]
     }
   end
 

test/pleroma/web/activity_pub/object_validators/attachment_validator_test.exs

@@ -33,7 +33,8 @@ test "it turns mastodon attachments into our attachments" do
           "http://mastodon.example.org/system/media_attachments/files/000/000/002/original/334ce029e7bfb920.jpg",
         "type" => "Document",
         "name" => nil,
-        "mediaType" => "image/jpeg"
+        "mediaType" => "image/jpeg",
+        "blurhash" => "UD9jJz~VSbR#xT$~%KtQX9R,WAs9RjWBs:of"
       }
 
       {:ok, attachment} =
@@ -50,6 +51,7 @@ test "it turns mastodon attachments into our attachments" do
              ] = attachment.url
 
       assert attachment.mediaType == "image/jpeg"
+      assert attachment.blurhash == "UD9jJz~VSbR#xT$~%KtQX9R,WAs9RjWBs:of"
     end
 
     test "it handles our own uploads" do

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

@@ -69,6 +69,7 @@ test "Funkwhale Audio object" do
                "mediaType" => "audio/ogg",
                "type" => "Link",
                "name" => nil,
+               "blurhash" => nil,
                "url" => [
                  %{
                    "href" =>

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

@@ -54,6 +54,7 @@ test "it remaps video URLs as attachments if necessary" do
                "type" => "Link",
                "mediaType" => "video/mp4",
                "name" => nil,
+               "blurhash" => nil,
                "url" => [
                  %{
                    "href" =>
@@ -76,6 +77,7 @@ test "it remaps video URLs as attachments if necessary" do
                "type" => "Link",
                "mediaType" => "video/mp4",
                "name" => nil,
+               "blurhash" => nil,
                "url" => [
                  %{
                    "href" =>

test/pleroma/web/mastodon_api/views/status_view_test.exs

@@ -420,6 +420,7 @@ test "attachments" do
           "href" => "someurl"
         }
       ],
+      "blurhash" => "UJJ8X[xYW,%Jtq%NNFbXB5j]IVM|9GV=WHRn",
       "uuid" => 6
     }
 
@@ -431,7 +432,8 @@ test "attachments" do
       preview_url: "someurl",
       text_url: "someurl",
       description: nil,
-      pleroma: %{mime_type: "image/png"}
+      pleroma: %{mime_type: "image/png"},
+      blurhash: "UJJ8X[xYW,%Jtq%NNFbXB5j]IVM|9GV=WHRn"
     }
 
     api_spec = Pleroma.Web.ApiSpec.spec()