Class: PiiScrubber::Detectors::Ssn

Inherits:
Base
  • Object
show all
Defined in:
lib/pii_scrubber/detectors/ssn.rb

Constant Summary collapse

SSN_REGEX = 
/\b(?!000|666|9\d{2})\d{3}[ -]?(?!00)\d{2}[ -]?(?!0000)\d{4}\b/

Instance Attribute Summary

Attributes inherited from Base

#name

Instance Method Summary collapse

Methods inherited from Base

#valid?

Constructor Details

#initialize ⇒ Ssn

Returns a new instance of Ssn.



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# File 'lib/pii_scrubber/detectors/ssn.rb', line 10

def initialize
  super(name: :ssn)
end

Instance Method Details

#patterns ⇒ Object 



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# File 'lib/pii_scrubber/detectors/ssn.rb', line 14

def patterns
  [SSN_REGEX]
end

#replace(match, strategy: :placeholder, mask_char: "*", hmac_salt: nil) ⇒ Object 



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# File 'lib/pii_scrubber/detectors/ssn.rb', line 18

def replace(match, strategy: :placeholder, mask_char: "*", hmac_salt: nil)
  return super unless strategy == :mask

  digits = match.scan(/\d/)
  return super if digits.size < 4

  last_four = digits.last(4).join
  "***-**-#{last_four}"
end