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

@@ -119,7 +119,7 @@ defp fix_misskey_content(
     {linked, _, _} =
       Utils.format_input(content, "text/x.misskeymarkdown", mention_handler: mention_handler)
 
-    Map.put(object, "content", linked)
+    put_in(object, ["source", "content"], linked)
   end
 
   defp fix_misskey_content(%{"_misskey_content" => content} = object) when is_binary(content) do
@@ -132,10 +132,9 @@ defp fix_misskey_content(%{"_misskey_content" => content} = object) when is_bina
 
     object
     |> Map.put("source", %{
-      "content" => content,
+      "content" => linked,
       "mediaType" => "text/x.misskeymarkdown"
     })
-    |> Map.put("content", linked)
     |> Map.delete("_misskey_content")
   end
 

test/fixtures/misskey/mfm_x_format.json

@@ -3,7 +3,7 @@
   "type": "Note",
   "attributedTo": "https://misskey.local.live/users/92hzkskwgy",
   "summary": null,
-  "content": "this gets replaced",
+  "content": "this does not get replaced",
   "source": {
     "content": "@akkoma_user @remote_user @full_tag_remote_user@misskey.local.live @oops_not_a_mention linkifylink #dancedance $[jelly mfm goes here] \n\n## aaa",
     "mediaType": "text/x.misskeymarkdown"

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

@@ -96,10 +96,9 @@ test "a misskey MFM status with a content field should work and be linked", _ do
       %{
         valid?: true,
         changes: %{
-          content: content,
+          content: "this does not get replaced",
           source: %{
-            "content" =>
+            "content" => content,
-              "@akkoma_user @remote_user @full_tag_remote_user@misskey.local.live @oops_not_a_mention linkifylink #dancedance $[jelly mfm goes here] \n\n## aaa",
             "mediaType" => "text/x.misskeymarkdown"
           }
         }
@@ -129,22 +128,20 @@ test "a misskey MFM status with a _misskey_content field should work and be link
         |> File.read!()
         |> Jason.decode!()
 
-      expected_content =
-        "<span class=\"h-card\"><a class=\"u-url mention\" data-user=\"#{local_user.id}\" href=\"#{local_user.ap_id}\" rel=\"ugc\">@<span>akkoma_user</span></a></span> linkifylink <a class=\"hashtag\" data-tag=\"dancedance\" href=\"http://localhost:4001/tag/dancedance\">#dancedance</a> $[jelly mfm goes here] <br><br>## aaa"
-
       changes = ArticleNotePageValidator.cast_and_validate(note)
 
       %{
         valid?: true,
         changes: %{
           source: %{
-            "content" => "@akkoma_user linkifylink #dancedance $[jelly mfm goes here] \n\n## aaa",
+            "content" => content,
             "mediaType" => "text/x.misskeymarkdown"
           }
         }
       } = changes
 
-      assert changes.changes[:content] == expected_content
+      assert content =~
+               "<span class=\"h-card\"><a class=\"u-url mention\" data-user=\"#{local_user.id}\" href=\"#{local_user.ap_id}\" rel=\"ugc\">@<span>akkoma_user</span></a></span>"
     end
   end
 end