From 817e308c0d9e42dfc39742c554e4c7a8da6f1c50 Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Fri, 28 Jan 2022 15:55:52 -0600
Subject: [PATCH] Handle Fedibird's new quoteUri field

---
 .../article_note_page_validator.ex            |  8 ++-
 .../web/activity_pub/transmogrifier.ex        | 19 +++++--
 priv/static/schemas/litepub-0.1.jsonld        |  2 +
 .../quote_post/fedibird_quote_uri.json        | 54 +++++++++++++++++++
 .../article_note_page_validator_test.exs      | 10 ++++
 .../web/activity_pub/transmogrifier_test.exs  |  9 ++--
 6 files changed, 92 insertions(+), 10 deletions(-)
 create mode 100644 test/fixtures/quote_post/fedibird_quote_uri.json

diff --git a/lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex b/lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex
index 40bb67934..0b435b251 100644
--- a/lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex
@@ -78,7 +78,13 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.ArticleNotePageValidator do
 
   defp fix_quote_url(%{"quoteUrl" => _quote_url} = data), do: data
 
-  # Fix for Fedibird
+  # Fedibird
+  # https://github.com/fedibird/mastodon/commit/dbd7ae6cf58a92ec67c512296b4daaea0d01e6ac
+  defp fix_quote_url(%{"quoteUri" => quote_url} = data) do
+    Map.put(data, "quoteUrl", quote_url)
+  end
+
+  # Old Fedibird (bug)
   # https://github.com/fedibird/mastodon/issues/9
   defp fix_quote_url(%{"quoteURL" => quote_url} = data) do
     Map.put(data, "quoteUrl", quote_url)
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 163ae54fa..01e135fc1 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -180,7 +180,15 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     end
   end
 
-  # Fix for Fedibird
+  # Fedibird
+  # https://github.com/fedibird/mastodon/commit/dbd7ae6cf58a92ec67c512296b4daaea0d01e6ac
+  def fix_quote_url(%{"quoteUri" => quote_url} = object, options) do
+    object
+    |> Map.put("quoteUrl", quote_url)
+    |> fix_quote_url(options)
+  end
+
+  # Old Fedibird (bug)
   # https://github.com/fedibird/mastodon/issues/9
   def fix_quote_url(%{"quoteURL" => quote_url} = object, options) do
     object
@@ -660,10 +668,13 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
 
   def set_reply_to_uri(obj), do: obj
 
-  # Misskey quotes
-  # Despite being underscored, it's potentially more reliable for interop.
   def set_quote_url(%{"quoteUrl" => quote_url} = object) when is_binary(quote_url) do
-    Map.put(object, "_misskey_quote", quote_url)
+    Map.merge(object, %{
+      # Fedibird quote
+      "quoteUri" => quote_url,
+      # Misskey quote
+      "_misskey_quote" => quote_url
+    })
   end
 
   def set_quote_url(obj), do: obj
diff --git a/priv/static/schemas/litepub-0.1.jsonld b/priv/static/schemas/litepub-0.1.jsonld
index 8559e744d..3d68e0714 100644
--- a/priv/static/schemas/litepub-0.1.jsonld
+++ b/priv/static/schemas/litepub-0.1.jsonld
@@ -18,6 +18,7 @@
             "schema": "http://schema.org#",
             "toot": "http://joinmastodon.org/ns#",
             "misskey": "https://misskey-hub.net/ns#",
+            "fedibird": "http://fedibird.com/ns#",
             "value": "schema:value",
             "sensitive": "as:sensitive",
             "litepub": "http://litepub.social/ns#",
@@ -28,6 +29,7 @@
                 "@type": "@id"
             },
             "quoteUrl": "as:quoteUrl",
+            "quoteUri": "fedibird:quoteUri",
             "_misskey_quote": "misskey:_misskey_quote",
             "oauthRegistrationEndpoint": {
                 "@id": "litepub:oauthRegistrationEndpoint",
diff --git a/test/fixtures/quote_post/fedibird_quote_uri.json b/test/fixtures/quote_post/fedibird_quote_uri.json
new file mode 100644
index 000000000..7c328fdb9
--- /dev/null
+++ b/test/fixtures/quote_post/fedibird_quote_uri.json
@@ -0,0 +1,54 @@
+{
+  "@context": [
+    "https://www.w3.org/ns/activitystreams",
+    {
+      "ostatus": "http://ostatus.org#",
+      "atomUri": "ostatus:atomUri",
+      "inReplyToAtomUri": "ostatus:inReplyToAtomUri",
+      "conversation": "ostatus:conversation",
+      "sensitive": "as:sensitive",
+      "toot": "http://joinmastodon.org/ns#",
+      "votersCount": "toot:votersCount",
+      "fedibird": "http://fedibird.com/ns#",
+      "quoteUri": "fedibird:quoteUri",
+      "expiry": "fedibird:expiry"
+    }
+  ],
+  "id": "https://fedibird.com/users/noellabo/statuses/107699335988346142",
+  "type": "Note",
+  "summary": null,
+  "inReplyTo": null,
+  "published": "2022-01-28T09:17:30Z",
+  "url": "https://fedibird.com/@noellabo/107699335988346142",
+  "attributedTo": "https://fedibird.com/users/noellabo",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "cc": [
+    "https://fedibird.com/users/noellabo/followers"
+  ],
+  "sensitive": false,
+  "atomUri": "https://fedibird.com/users/noellabo/statuses/107699335988346142",
+  "inReplyToAtomUri": null,
+  "conversation": "tag:fedibird.com,2022-01-28:objectId=107699335988345290:objectType=Conversation",
+  "context": "https://fedibird.com/contexts/107699335988345290",
+  "quoteUri": "https://fedibird.com/users/yamako/statuses/107699333438289729",
+  "_misskey_quote": "https://fedibird.com/users/yamako/statuses/107699333438289729",
+  "_misskey_content": "美味しそう",
+  "content": "<p>美味しそう<span class=\"quote-inline\"><br/>QT: <a class=\"status-url-link\" data-status-account-acct=\"yamako\" data-status-id=\"107699333438289729\" href=\"https://fedibird.com/@yamako/107699333438289729\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">fedibird.com/@yamako/107699333</span><span class=\"invisible\">438289729</span></a></span></p>",
+  "contentMap": {
+    "ja": "<p>美味しそう<span class=\"quote-inline\"><br/>QT: <a class=\"status-url-link\" data-status-account-acct=\"yamako\" data-status-id=\"107699333438289729\" href=\"https://fedibird.com/@yamako/107699333438289729\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">fedibird.com/@yamako/107699333</span><span class=\"invisible\">438289729</span></a></span></p>"
+  },
+  "attachment": [],
+  "tag": [],
+  "replies": {
+    "id": "https://fedibird.com/users/noellabo/statuses/107699335988346142/replies",
+    "type": "Collection",
+    "first": {
+      "type": "CollectionPage",
+      "next": "https://fedibird.com/users/noellabo/statuses/107699335988346142/replies?only_other_accounts=true&page=true",
+      "partOf": "https://fedibird.com/users/noellabo/statuses/107699335988346142/replies",
+      "items": []
+    }
+  }
+}
diff --git a/test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs b/test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs
index dec2e28c9..a4ba38e6a 100644
--- a/test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs
+++ b/test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs
@@ -127,6 +127,16 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.ArticleNotePageValidatorTest
     assert cng.changes.quoteUrl == "https://misskey.io/notes/8vsn2izjwh"
   end
 
+  test "Fedibird quote post with quoteUri field" do
+    insert(:user, ap_id: "https://fedibird.com/users/noellabo")
+
+    data = File.read!("test/fixtures/quote_post/fedibird_quote_uri.json") |> Jason.decode!()
+    cng = ArticleNotePageValidator.cast_and_validate(data)
+
+    assert cng.valid?
+    assert cng.changes.quoteUrl == "https://fedibird.com/users/yamako/statuses/107699333438289729"
+  end
+
   test "Misskey quote post" do
     insert(:user, ap_id: "https://misskey.io/users/7rkrarq81i")
 
diff --git a/test/pleroma/web/activity_pub/transmogrifier_test.exs b/test/pleroma/web/activity_pub/transmogrifier_test.exs
index 8c7e0a4c9..1838f96bb 100644
--- a/test/pleroma/web/activity_pub/transmogrifier_test.exs
+++ b/test/pleroma/web/activity_pub/transmogrifier_test.exs
@@ -381,12 +381,11 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
 
       {:ok, modified} = Transmogrifier.prepare_outgoing(quote_post.data)
 
-      quoted_post = Object.normalize(quoted_post)
+      %{data: %{"id" => quote_id}} = Object.normalize(quoted_post)
 
-      assert modified["object"]["quoteUrl"] == quoted_post.data["id"]
-
-      # Add Misskey's quote as a fallback
-      assert modified["object"]["_misskey_quote"] == quoted_post.data["id"]
+      assert modified["object"]["quoteUrl"] == quote_id
+      assert modified["object"]["quoteUri"] == quote_id
+      assert modified["object"]["_misskey_quote"] == quote_id
     end
   end