1 files changed, 6 insertions, 0 deletions
diff --git a/activestorage/lib/active_storage/service/s3_service.rb b/activestorage/lib/active_storage/service/s3_service.rb
index c95672f338..8ab7a44131 100644
--- a/activestorage/lib/active_storage/service/s3_service.rb
+++ b/activestorage/lib/active_storage/service/s3_service.rb
@@ -38,6 +38,12 @@ module ActiveStorage
       end
     end
 
+    def download_chunk(key, range)
+      instrument :download_chunk, key: key, range: range do
+        object_for(key).get(range: "bytes=#{range.begin}-#{range.exclude_end? ? range.end - 1 : range.end}").body.read.force_encoding(Encoding::BINARY)
+      end
+    end
+
     def delete(key)
       instrument :delete, key: key do
         object_for(key).delete