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38 lines
1.3 KiB
38 lines
1.3 KiB
# See #A |
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# = IPv4 Address Record (A) |
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# |
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# Defined in RFC 1035. Forward maps a host name to IPv4 address. The only |
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# parameter is an IP address in dotted decimal format. The IP address in not |
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# terminated with a '.' (dot). Valid host name format (a.k.a 'label' in DNS |
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# jargon). If host name is BLANK (or space) then the last valid name (or label) |
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# is substituted. |
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# |
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# Obtained from http://www.zytrax.com/books/dns/ch8/a.html |
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# |
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class A < Record |
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validates :name, :hostname => {:allow_underscore => true, :allow_wildcard_hostname => true} |
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validates :content, :presence => true, :ip => {:ip_type => :v4} # Only accept valid IPv4 addresses |
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attr_accessor :host_domain |
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validates :host_domain, :inclusion => {:in => Settings.host_domains}, :allow_blank => true |
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validates :name, |
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:length => {:minimum => 4}, |
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:uniqueness => {:scope => [:domain_id, :type]}, |
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:if => :host? |
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validate do |
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if host? && Settings.protected_hostnames.any? {|hn| name =~ /^#{hn}/i} |
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errors[:name] << "cannot be used, please try another" |
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end |
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end |
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before_validation do |
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if host_domain.present? && Settings.host_domains.include?(host_domain) |
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self.domain_id = Domain.find_by_name(host_domain).try(:id) |
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end |
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end |
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def host?; domain.present? && Settings.host_domains.include?(domain.name) end |
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end
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