CleverCloud Cellar Compatible range query

config/initializers/monkey_patches.rb

@@ -1,9 +1,12 @@
+# Monkey patch ActiveStorage to make Range query compatible with CleverCloud Cellar
+#
+# FIXME : remove when better fix is available
 ActiveStorage::Identification.class_eval do
-  def apply
+  private
-    # Monkey patch ActiveStorage to trust the user-submitted content type rather than determining
+
-    # it from the file contents, because Cellar does not seem to support the Range header
+  def identifiable_chunk
-    #
+    Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == "https") do |client|
-    # FIXME : remove when better fix is available
+      client.get(uri, "Range" => "bytes=0-4096").body
-    blob.update!(content_type: declared_content_type, identified: true) unless blob.identified?
+    end
   end
 end