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42 lines
1.5 KiB
Ruby
42 lines
1.5 KiB
Ruby
class DomainNameValidator < ActiveModel::EachValidator
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# TODO
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# validates lenght of 2-63
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# validates/honours Estonian additional letters zäõüö
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# honours punicode and all interfces honors utf8
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# validates lower level domains (.pri.ee, edu.ee etc)
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# lower level domains are fixed for .ee and can add statically into settings
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def validate_each(record, attribute, value)
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if !self.class.validate_format(value)
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record.errors[attribute] << (options[:message] || record.errors.generate_message(attribute, :invalid))
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elsif !self.class.validate_reservation(value)
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record.errors.add(attribute, (options[:message] || record.errors.generate_message(attribute, :reserved)))
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end
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end
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class << self
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def validate_format(value)
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return true unless value
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value = value.mb_chars.downcase.strip
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general_domains = /(.pri.ee|.com.ee|.fie.ee|.med.ee|.ee)/
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# it's punycode
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if value[2] == '-' && value[3] == '-'
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regexp = /\Axn--[a-zA-Z0-9-]{0,59}#{general_domains}\z/
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return false unless value =~ regexp
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value = SimpleIDN.to_unicode(value).mb_chars.downcase.strip
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end
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unicode_chars = /\u00E4\u00F5\u00F6\u00FC\u0161\u017E/ # äõöüšž
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regexp = /\A[a-zA-Z0-9#{unicode_chars}][a-zA-Z0-9#{unicode_chars}-]{0,61}[a-zA-Z0-9#{unicode_chars}]#{general_domains}\z/
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!!(value =~ regexp)
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end
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def validate_reservation(value)
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return true unless value
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!ReservedDomain.exists?(name: value.mb_chars.downcase.strip)
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end
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end
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end
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