Class: Deidentify::HashEmail

Inherits:
Object
  • Object
show all
Defined in:
lib/deidentify/hash_email.rb

Constant Summary collapse

MAX_DOMAIN_LENGTH =

63 is the longest domain that is still acceptable for URI::MailTo::EMAILS_REGEXP

63

Class Method Summary collapse

Class Method Details

.call(old_email, length: 255) ⇒ Object 



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# File 'lib/deidentify/hash_email.rb', line 8

def self.call(old_email, length: 255)
  return old_email unless old_email.present?

  half_length = (length - 1) / 2 # the -1 is to account for the @ symbol

  name, domain = old_email.split('@')

  hashed_name = Deidentify::BaseHash.call(name, length: half_length)
  hashed_domain = Deidentify::BaseHash.call(domain, length: [half_length, MAX_DOMAIN_LENGTH].min)

  "#{hashed_name}@#{hashed_domain}"
end