29 lines
1,000 B
Ruby
29 lines
1,000 B
Ruby
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# frozen_string_literal: true
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module Gitlab
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module Utils
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module Email
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extend self
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# Replaces most visible characters with * to obfuscate an email address
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# deform adds a fix number of * to ensure the address cannot be guessed. Also obfuscates TLD with **
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def obfuscated_email(email, deform: false)
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regex = ::Gitlab::UntrustedRegexp.new('^(..?)(.*)(@.?)(.*)(\..+)$')
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match = regex.match(email)
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return email unless match
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if deform
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# Ensure we can show two characters for the username, even if the username has
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# only one character. Boring solution is to just duplicate the character.
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email_start = match[1]
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email_start += email_start if email_start.length == 1
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email_start + '*' * 5 + match[3] + '*' * 5 + "#{match[5][0..1]}**"
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else
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match[1] + '*' * (match[2] || '').length + match[3] + '*' * (match[4] || '').length + match[5]
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end
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end
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end
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end
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end
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