Sha256: 1c4acdfc7556cd02291a3021da2def800424cc64deb173dd614e698866476d97

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Size: 1.16 KB

Versions: 29

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Stored size: 1.16 KB

Contents

#
# is_domain_name.rb
#

module Puppet::Parser::Functions
  newfunction(:is_domain_name, :type => :rvalue, :doc => <<-EOS
Returns true if the string passed to this function is a syntactically correct domain name.
    EOS
  ) do |arguments|

    if (arguments.size != 1) then
      raise(Puppet::ParseError, "is_domain_name(): Wrong number of arguments "+
        "given #{arguments.size} for 1")
    end

    domain = arguments[0]

    # Limits (rfc1035, 3.1)
    domain_max_length=255
    label_min_length=1
    label_max_length=63

    # Allow ".", it is the top level domain
    return true if domain == '.'

    # Remove the final dot, if present.
    domain.chomp!('.')

    # Check the whole domain
    return false if domain.empty?
    return false if domain.length > domain_max_length

    # Check each label in the domain
    labels = domain.split('.')
    vlabels = labels.each do |label|
      break if label.length < label_min_length
      break if label.length > label_max_length
      break if label[-1..-1] == '-'
      break if label[0..0] == '-'
      break unless /^[a-z\d-]+$/i.match(label)
    end
    return vlabels == labels

  end
end

# vim: set ts=2 sw=2 et :

Version data entries

29 entries across 29 versions & 3 rubygems

Version Path
freighthop-0.6.1 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.6.0 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.5.2 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.5.1 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.5.0 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.4.1 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.4.0 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.3.3 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.3.2 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.3.1 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.3.0 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.2.1 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.2.0 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.1.0 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.0.6 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.0.5 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.0.4 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.0.3 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.0.2 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb
freighthop-0.0.1 modules/stdlib/lib/puppet/parser/functions/is_domain_name.rb