/usr/lib/ruby/vendor_ruby/ethon/easy/ is in ruby-ethon 0.7.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/ethon/easy/callbacks.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/debug_info.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/form.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/header.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/
/usr/lib/ruby/vendor_ruby/ethon/easy/http.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/actionable.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/custom.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/delete.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/get.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/head.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/options.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/patch.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/post.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/postable.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/put.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/http/putable.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/informations.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/mirror.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/operations.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/options.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/params.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/queryable.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/response_callbacks.rb
/usr/lib/ruby/vendor_ruby/ethon/easy/util.rb