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https://github.com/funamitech/mastodon
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Prevent new accounts from being created using the same underlying e-mail as a suspended account using extensions and period permutations. Stores e-mails as a SHA256 hash
19 lines
398 B
Ruby
19 lines
398 B
Ruby
# frozen_string_literal: true
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module EmailHelper
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def self.included(base)
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base.extend(self)
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end
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def email_to_canonical_email(str)
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username, domain = str.downcase.split('@', 2)
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username, = username.gsub('.', '').split('+', 2)
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"#{username}@#{domain}"
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end
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def email_to_canonical_email_hash(str)
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Digest::SHA2.new(256).hexdigest(email_to_canonical_email(str))
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end
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end
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