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80 lines
2.6 KiB
80 lines
2.6 KiB
class Record < ActiveRecord::Base |
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include Stampable |
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belongs_to :domain, :inverse_of => :records |
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belongs_to :user, :inverse_of => :records |
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cattr_reader :types |
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@@types = %w(SOA NS A MX TXT CNAME AAAA SRV) |
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# attr_accessible :name, :content, :ttl, :prio |
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validates :domain, :name, :presence => true |
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validates :type, :inclusion => {:in => @@types, :message => "Unknown record type"} |
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validates :content, :uniqueness => {:scope => [:domain_id, :type, :name]} |
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# RFC 2181, 8 |
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validates :ttl, :numericality => { |
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# :greater_than_or_equal_to => 0, |
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:greater_than_or_equal_to => Settings.min_ttl.to_i, |
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:less_than => 2**31, |
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:only_integer => true |
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}, :allow_blank => true |
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validates :authentication_token, :presence => true, :uniqueness => true |
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validate :max_records_per_domain, :on => :create |
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def max_records_per_domain |
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if records_exceeding? && !host_domain? |
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errors.add :base, "as a security measure, you cannot have more than #{Settings.max_records_per_domain} records on one domain" |
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end |
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end |
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before_validation :generate_token, :on => :create |
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before_validation :prepare_name! |
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before_save :update_change_date |
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after_save :update_soa_serial |
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after_initialize do |
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self.ttl ||= Settings.default_ttl |
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end |
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# By default records don't support priorities. |
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# Those who do can overwrite this in their own classes. |
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def supports_priority?; false end |
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def shortname; name.gsub(/\.?#{self.domain.name}$/, '') end |
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def shortname=(value); self.name = value end |
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def to_label; "#{type} #{content}" end |
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# Generate a token by looping and ensuring does not already exist. |
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# stolen from Devise |
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def generate_token |
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self.authentication_token = loop do |
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token = Devise.friendly_token |
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break token unless Record.exists?(authentication_token: token) |
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end |
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end |
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delegate :host_domain?, :records_exceeding?, :to => :domain |
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delegate :user, :to => :domain, :prefix => :domain |
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protected |
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def prepare_name! |
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return if domain.nil? or domain.name.blank? |
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self.name = domain.name if name.blank? or name == '@' |
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self.name << ".#{domain.name}" unless name =~ /#{Regexp.escape(domain.name)}$/ |
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end |
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# Update the change date for automatic serial number generation |
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def update_change_date; self.change_date = Time.now.to_i end |
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def update_soa_serial #:nodoc: |
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unless type == 'SOA' || @serial_updated || domain.slave? |
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domain.soa_record.update_serial! |
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@serial_updated = true |
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end |
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end |
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def name_equals_domain_name |
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errors.add :name, "must be equal to domain's name" unless name == domain.name |
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end |
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end
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