ftp-manager/app/services/ftp_config.rb

# frozen_string_literal: true
class FtpConfig
  def build_password_list accounts
    `sudo chown $(whoami) #{password_file}`
    File.open(password_file, "w+") do |file|
      Array(accounts).each do |account|
        file.write "#{account.username}:#{hash_password(account.password)}"
      end
    end
    `sudo chown root #{password_file}`
  end

  def build_user_configs accounts
    `sudo chown -R $(whoami) #{config_path}`
    Array(accounts).each do |account|
      File.open("#{config_path}#{account.username}", "w+") do |file|
        `sudo -u #{ftp_user} mkdir -p #{ftp_root}#{account.home_folder}`
        file.write "local_root=#{ftp_root}#{account.home_folder}"
      end
    end
    `sudo chown -R root #{config_path}`
  end

  private

    def password_file
      AppConfig.htpasswd
    end

    def config_path
      AppConfig.ftpusers
    end

    def ftp_root
      AppConfig.ftproot
    end

    def ftp_user
      AppConfig.ftpaccount
    end

    def hash_password password
      `openssl passwd -1 -noverify -quiet #{password}`
    end
end