File path
<%= text_field 'file_info', 'file_path' %>

Length
<%= text_field 'file_info', 'length' %>

Mime type
<%= text_field 'file_info', 'mime_type' %>

Md5
<%= text_field 'file_info', 'md5' %>

Sha256
<%= text_field 'file_info', 'sha256' %>