26 lines
		
	
	
		
			558 B
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			558 B
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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class DomainValidator < ActiveModel::EachValidator
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  def validate_each(record, attribute, value)
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    return if value.blank?
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    domain = begin
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      if options[:acct]
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        value.split('@').last
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      else
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        value
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      end
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    end
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    record.errors.add(attribute, I18n.t('domain_validator.invalid_domain')) unless compliant?(domain)
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  end
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  private
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  def compliant?(value)
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    Addressable::URI.new.tap { |uri| uri.host = value }
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  rescue Addressable::URI::InvalidURIError, IDN::Idna::IdnaError
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    false
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  end
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end
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