Skip processing when HEAD method returns 501 (#7730)

diff --git a/app/services/fetch_link_card_service.rb b/app/services/fetch_link_card_service.rb
index 86d0f9971dcd79758cb52afd5c376c9503f5d295..560a8176877a6a6a1388016a27bc28d101977a96 100644 (file)
--- a/app/services/fetch_link_card_service.rb
+++ b/app/services/fetch_link_card_service.rb
@@ -40,7 +40,7 @@ class FetchLinkCardService < BaseService
     @card ||= PreviewCard.new(url: @url)
 
     failed = Request.new(:head, @url).perform do |res|
-      res.code != 405 && (res.code != 200 || res.mime_type != 'text/html')
+      res.code != 405 && res.code != 501 && (res.code != 200 || res.mime_type != 'text/html')
     end
 
     return if failed