module CORL::Mixin::Action::Keypair

# File lib/core/mixin/action/keypair.rb, line 81
def keypair(reset = false)
  if reset || ! @keypair
    if settings[:private_key]
      key_options = { :private_key => private_key } 
    else
      key_options = {}
      if settings[:require_password]
        password = ui.password('SSH')
        if password
          key_options[:passphrase] = password
        else
          warn('corl.core.mixin.action.keypair.errors.no_password')
          return nil
        end
      end
    end
    myself.keypair = key_options
  end
  @keypair
end

# File lib/core/mixin/action/keypair.rb, line 69
def keypair=options
  config = Config.ensure(options).defaults({
    :type    => settings[:key_type].to_s.upcase,
    :bits    => settings[:key_bits],
    :comment => settings[:key_comment]
  })
  @keypair = Util::SSH.generate(config)
  settings.import({ :keypair => @keypair })
end

# File lib/core/mixin/action/keypair.rb, line 58
def keypair_clean
  remove(keypair_ignore)  
end

# File lib/core/mixin/action/keypair.rb, line 10
def keypair_config
  register :private_key, :str, nil, 'corl.core.mixin.action.keypair.options.private_key' do |value|
    success = true
    if value
      file = File.expand_path(value)
      if File.exists?(file)
        unless Util::SSH.generate({ :private_key => file })
          warn('corl.core.mixin.action.keypair.errors.private_key_parse_error', { :value => file })
          success = false
        end
      else
        warn('corl.core.mixin.action.keypair.errors.private_key_not_found', { :value => file })
        success = false  
      end
    end
    success  
  end
  
  register :require_password, :bool, false, 'corl.core.mixin.action.keypair.options.require_password'
  
  register :key_type, :str, 'RSA', 'corl.core.mixin.action.keypair.options.key_type' do |value|
    key_type_choices = [ 'RSA', 'DSA' ]
    unless key_type_choices.include?(value.to_s.upcase)
      warn('corl.core.mixin.action.keypair.errors.key_type', { :value => value, :choices => key_type_choices })
      next false    
    end
    true
  end
  register :key_bits, :int, 2048, 'corl.core.mixin.action.keypair.options.key_bits' do |value|
    unless value >= 2048
      warn('corl.core.mixin.action.keypair.errors.key_bits', { :value => value, :required => 2048 })
      next false 
    end
    true     
  end
  register :key_comment, :str, '', 'corl.core.mixin.action.keypair.options.key_comment'
  
  config_subset(keypair_ignore)
end

# File lib/core/mixin/action/keypair.rb, line 52
def keypair_ignore
  [ :require_password, :key_type, :key_bits, :key_comment ]
end