Class: ValidationUtils

Inherits:
Object
  • Object
show all
Defined in:
lib/maildis/validation_utils.rb

Class Method Summary collapse

Class Method Details

.valid_email?(email) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/maildis/validation_utils.rb', line 16

def valid_email?(email)
  !email.match(/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i).nil?
end

.valid_hostname?(hostname) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/maildis/validation_utils.rb', line 5

def valid_hostname?(hostname)
  if !hostname || hostname.length > 255 || hostname.scan('..').any?
    return false
  end

  return true if hostname == 'localhost'

  hostname = hostname[0 ... -1] if hostname.index('.', -1)
  return hostname.split('.').collect { |i| i.size <= 63 && !(i.rindex('-', 0) || i.index('-', -1) || i.scan(/[^a-z\d-]/i).any?)}.all?
end