Class: SPF::Record::V2

Inherits:

SPF::Record

• Object
• SPF::Record
• SPF::Record::V2

Defined in:

lib/spf/model.rb

Constant Summary

MECH_CLASSES =

{
  :all      => SPF::Mech::All,
  :ip4      => SPF::Mech::IP4,
  :ip6      => SPF::Mech::IP6,
  :a        => SPF::Mech::A,
  :mx       => SPF::Mech::MX,
  :ptr      => SPF::Mech::PTR,
  :exists   => SPF::Mech::Exists,
  :include  => SPF::Mech::Include
}

MOD_CLASSES =

{
  :redirect => SPF::Mod::Redirect,
  :exp      => SPF::Mod::Exp
}

VALID_SCOPE =

/^(?: mfrom | pra )$/x

Constants inherited from SPF::Record

DEFAULT_QUALIFIER, RESULTS_BY_QUALIFIER

Instance Attribute Summary

Attributes inherited from SPF::Record

#errors, #terms, #text

Instance Method Summary

• #initialize(options = {}) ⇒ V2 constructor

  A new instance of V2.

• #mech_classes ⇒ Object
• #parse_version_tag ⇒ Object
• #scopes ⇒ Object
• #version_tag ⇒ Object
• #version_tag_pattern ⇒ Object

Methods inherited from SPF::Record

#error, #eval, #global_mod, #global_mods, #ip_netblocks, new_from_string, #parse, #parse_term, #to_s

Constructor Details

#initialize(options = {}) ⇒ V2

Returns a new instance of V2.

# File 'lib/spf/model.rb', line 1123

def initialize(options = {})
  super(options)
  unless @parse_text
    scopes = @scopes || {}
    raise SPF::InvalidScopeError.new('No scopes for spf2.0 record') if scopes.empty?
    scopes.each do |scope|
      if scope !~ VALID_SCOPE
        raise SPF::InvalidScopeError.new("Invalid scope '#{scope}' for spf2.0 record")
      end
    end
  end
end

Instance Method Details

#mech_classes ⇒ Object

# File 'lib/spf/model.rb', line 1119

def mech_classes
  MECH_CLASSES
end

#parse_version_tag ⇒ Object

# File 'lib/spf/model.rb', line 1141

def parse_version_tag

  @parse_text.sub!(/#{version_tag_pattern}(?:\x20+|$)/ix, '')
  if $1
    scopes = @scopes = "#{$2}".split(/,/)
    if scopes.empty?
      raise SPF::InvalidScopeError.new('No scopes for spf2.0 record')
    end
    scopes.each do |scope|
      if scope !~ VALID_SCOPE
        raise SPF::InvalidScopeError.new("Invalid scope '#{scope}' for spf2.0 record")
      end
    end
  else
    raise SPF::InvalidRecordVersionError.new(
      "Not a 'spf2.0' record: '#{@text}'")
  end
end

#scopes ⇒ Object

# File 'lib/spf/model.rb', line 1106

def scopes
  [:mfrom, :pra]
end

#version_tag ⇒ Object

# File 'lib/spf/model.rb', line 1102

def version_tag
  'v=spf2.0'
end

#version_tag_pattern ⇒ Object

# File 'lib/spf/model.rb', line 1110

def version_tag_pattern
"
  spf(2\.0)
  \/
  ( (?: mfrom | pra ) (?: , (?: mfrom | pra ) )* )
  (?= \\x20 | $ )
"
end