From 503170e76ca273e119d3d28b9f0069e8811a6036 Mon Sep 17 00:00:00 2001
From: Eric Eastwood <contact@ericeastwood.com>
Date: Thu, 22 Jun 2023 02:12:19 -0500
Subject: [PATCH] Prefer canonical alias in `rel=canonical` link

Follow-up to https://github.com/matrix-org/matrix-public-archive/pull/266

Part of https://github.com/matrix-org/matrix-public-archive/issues/251
---
 server/routes/room-routes.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/routes/room-routes.js b/server/routes/room-routes.js
index dd383e3..c58dd7e 100644
--- a/server/routes/room-routes.js
+++ b/server/routes/room-routes.js
@@ -918,7 +918,7 @@ router.get(
       entryPoint: 'client/js/entry-client-hydrogen.js',
       locationUrl: urlJoin(basePath, req.originalUrl),
       canonicalUrl: matrixPublicArchiveURLCreator.archiveUrlForDate(
-        roomIdOrAlias,
+        roomData.canonicalAlias || roomIdOrAlias,
         new Date(toTimestamp),
         {
           preferredPrecision: precisionFromUrl,