Category: Web
Author: koks
Get Schwifty!
Ruby on Rails app and the source code is provided.
The master.key and development_secret.txt are also in the files provided.
The latter can be used to forge any session cookies in order to get the flag from the Application Controller, because the server is running in development mode.
Flag: CCSC{sapph1re_em3rald_ruby_diam0nd}