Fix rich media parsing some Amazon URLs

changelog.d/richmediattl.fix

@@ -0,0 +1 @@
+Parsing of RichMedia TTLs for Amazon URLs when query parameters are nil

lib/pleroma/web/rich_media/parser/ttl/aws_signed_url.ex

@@ -23,7 +23,7 @@ defp aws_signed_url?(image) when is_binary(image) and image != "" do
     %URI{host: host, query: query} = URI.parse(image)
 
     is_binary(host) and String.contains?(host, "amazonaws.com") and
-      String.contains?(query, "X-Amz-Expires")
+      is_binary(query) and String.contains?(query, "X-Amz-Expires")
   end
 
   defp aws_signed_url?(_), do: nil