46 lines
1 KiB
Ruby
46 lines
1 KiB
Ruby
# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
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class Pseudonymisation
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def self.of_hash(source)
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return if source.blank?
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source.transform_values do |value|
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of_value(value.to_s)
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end
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end
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def self.of_value(source)
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of_email_address(source)
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rescue
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of_string(source)
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end
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def self.of_email_address(source)
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email_address = Mail::AddressList.new(source).addresses.first
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"#{of_string(email_address.local)}@#{of_domain(email_address.domain)}"
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rescue
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raise ArgumentError
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end
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def self.of_domain(source)
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domain_parts = source.split('.')
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# e.g. localhost
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return of_string(source) if domain_parts.size == 1
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tld = domain_parts[-1]
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other = domain_parts[0..-2].join('.')
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"#{of_string(other)}.#{tld}"
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end
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def self.of_string(source)
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return '*' if source.to_s.length <= 1
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return "#{source.first}*#{source.last}" if source.exclude?(' ')
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source.split.map do |sub_string|
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of_string(sub_string)
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end.join(' ')
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end
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end
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