81 lines
1.7 KiB
Ruby
81 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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require 'mail'
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module Email
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# cute little guy ain't he?
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MESSAGE_ID_REGEX = /<(.*@.*)+>/
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def self.is_valid?(email)
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return false unless String === email
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!!(EmailValidator.email_regex =~ email)
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end
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def self.downcase(email)
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return email unless Email.is_valid?(email)
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email.downcase
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end
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def self.obfuscate(email)
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return email if !Email.is_valid?(email)
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first, _, last = email.rpartition('@')
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# Obfuscate each last part, except tld
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last = last.split('.')
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tld = last.pop
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last.map! { |part| obfuscate_part(part) }
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last << tld
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"#{obfuscate_part(first)}@#{last.join('.')}"
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end
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def self.cleanup_alias(name)
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name ? name.gsub(/[:<>,"]/, '') : name
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end
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def self.extract_parts(raw)
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mail = Mail.new(raw)
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text = nil
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html = nil
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if mail.multipart?
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text = mail.text_part
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html = mail.html_part
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elsif mail.content_type.to_s["text/html"]
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html = mail
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else
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text = mail
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end
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[text&.decoded, html&.decoded]
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end
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def self.site_title
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SiteSetting.email_site_title.presence || SiteSetting.title
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end
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# https://tools.ietf.org/html/rfc850#section-2.1.7
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def self.message_id_rfc_format(message_id)
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return message_id if message_id =~ MESSAGE_ID_REGEX
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"<#{message_id}>"
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end
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def self.message_id_clean(message_id)
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return message_id if !(message_id =~ MESSAGE_ID_REGEX)
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message_id.tr("<>", "")
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end
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private
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def self.obfuscate_part(part)
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if part.size < 3
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"*" * part.size
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elsif part.size < 5
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part[0] + "*" * (part.size - 1)
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else
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part[0] + "*" * (part.size - 2) + part[-1]
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end
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end
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end
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