Class: Hiera::Backend::Eyaml::Subcommands::Decrypt

Inherits:
Hiera::Backend::Eyaml::Subcommand show all
Defined in:
lib/hiera/backend/eyaml/subcommands/decrypt.rb

Class Method Summary collapse

Methods inherited from Hiera::Backend::Eyaml::Subcommand

all_options, attach_option, find, hidden?, load_config_file, parse, prettyname

Class Method Details

.description ⇒ Object 



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# File 'lib/hiera/backend/eyaml/subcommands/decrypt.rb', line 30

def self.description
  'decrypt some data'
end

.execute ⇒ Object 



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# File 'lib/hiera/backend/eyaml/subcommands/decrypt.rb', line 53

def self.execute
  parser = Parser::ParserFactory.encrypted_parser
  tokens = parser.parse(Eyaml::Options[:input_data])
  case Eyaml::Options[:source]
  when :eyaml
    decrypted = tokens.map { |token| token.to_decrypted }
    decrypted.join
  else
    yamled = false
    decrypted = tokens.map do |token|
      case token.class.name
      when /::EncToken$/
        if yamled
          yamled = false
          if /[\r\n]/.match?(token.to_plain_text)
            "|\n  " + token.to_plain_text.gsub(/([\r\n]+)/,
                                               '\1  ')
          else
            token.to_plain_text
          end
        else
          token.to_plain_text
        end
      else
        yamled = true
        token.match
      end
    end
    decrypted.join
  end
end

.options ⇒ Object 



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# File 'lib/hiera/backend/eyaml/subcommands/decrypt.rb', line 12

def self.options
  [{ name: :string,
     description: 'Source input is a string provided as an argument',
     short: 's',
     type: :string, },
   { name: :file,
     description: 'Source input is a regular file',
     short: 'f',
     type: :string, },
   { name: :eyaml,
     description: 'Source input is an eyaml file',
     short: 'e',
     type: :string, },
   { name: :stdin,
     description: 'Source input is taken from stdin',
     short: :none, },]
end

.validate(options) ⇒ Object 



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# File 'lib/hiera/backend/eyaml/subcommands/decrypt.rb', line 34

def self.validate(options)
  sources = %i[eyaml password string file stdin].collect { |x| x if options[x] }.compact
  Optimist.die 'You must specify a source' if sources.count.zero?
  Optimist.die "You can only specify one of (#{sources.join(', ')})" if sources.count > 1
  options[:source] = sources.first

  options[:input_data] = case options[:source]
                         when :stdin
                           STDIN.read
                         when :string
                           options[:string]
                         when :file
                           File.read options[:file]
                         when :eyaml
                           File.read options[:eyaml]
                         end
  options
end