lib/fog/storage/requests/aws/head_object.rb in fog-0.5.0 vs lib/fog/storage/requests/aws/head_object.rb in fog-0.5.1

@@ -37,11 +37,11 @@
           end
           if version_id = options.delete('versionId')
             query = {'versionId' => version_id}
           end
           headers = {}
-          headers['If-Modified-Since'] = options['If-Modified-Since'].utc.strftime("%a, %d %b %Y %H:%M:%S +0000") if options['If-Modified-Since']
-          headers['If-Unmodified-Since'] = options['If-Unmodified-Since'].utc.strftime("%a, %d %b %Y %H:%M:%S +0000") if options['If-Modified-Since']
+          headers['If-Modified-Since'] = Fog::Time.at(options['If-Modified-Since'].to_i).to_date_header if options['If-Modified-Since']
+          headers['If-Unmodified-Since'] = Fog::Time.at(options['If-Unmodified-Since'].to_i).to_date_header if options['If-Modified-Since']
           headers.merge!(options)
           request({
             :expects  => 200,
             :headers  => headers,
             :host     => "#{bucket_name}.#{@host}",