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emails: disallow names ending with a period.

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Update email validation rules to disallow the percent character (e.g.
`foo%bar@gmail.com`) and names ending with a period (e.g. `foo.@gmail.com`).
Names ending with a period are invalid according to the RFCs and cause
`Mail::Address.new` to raise an exception.

The percent character is technically legal, but only one email used it
and it was probably a typo.
This commit is contained in:
evazion
2022-10-17 21:32:27 -05:00
parent e31977ac29
commit 873c67db58
3 changed files with 8 additions and 3 deletions
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7
script/fixes/117_fix_invalid_emails.rb
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@@ -3,7 +3,7 @@
require_relative "base"
with_confirmation do
emails = EmailAddress.where_not_regex(:address, '^[a-zA-Z0-9._%+-]+@([a-zA-Z0-9][a-zA-Z0-9-]{0,61}\.)+[a-zA-Z]{2,}$') # invalid emails
emails = EmailAddress.where_not_regex(:address, '^[a-zA-Z0-9._+-]*[a-zA-Z0-9_+-]@([a-zA-Z0-9][a-zA-Z0-9-]{0,61}\.)+[a-zA-Z]{2,}$') # invalid emails
emails.find_each do |email|
old_address = email.address
@@ -15,6 +15,9 @@ with_confirmation do
# foo,bar@gmail.com -> foo.bar@gmail.com | @gmail,com -> @gmail.com
address = address.gsub(/,/, ".")
address = address.gsub(/\.+@/, "@") # foo.@gmail.com -> foo@gmail.com
address = address.gsub(/%/, "") # foo%@gmail.com -> foo@gmail.com
address = address.gsub(/[\\\/]$/, '') # @qq.com\ -> @qq.com, @web.de/ -> @web.de
address = address.gsub(/^https?:\/\/(www\.)?/i, "") # https://xxx@gmail.com -> xxx@gmail.com
address = address.gsub(/^mailto:/i, "") # mailto:foo@gmail.com -> foo@gmail.com
@@ -82,7 +85,7 @@ with_confirmation do
if dupe_emails.present?
puts "#{old_address.ljust(40, " ")} DELETE (#{dupe_emails.map { "#{_1.user.name}##{_1.user.id}" }.join(", ")}, #{email.user.name}##{email.user.id})"
email.destroy if ENV.fetch("FIX", "false").truthy?
elsif address.match?(/^[a-zA-Z0-9._%+-]+@([a-zA-Z0-9][a-zA-Z0-9-]{0,61}\.)+[a-zA-Z]{2,}$/)
elsif Danbooru::EmailAddress.is_valid?(address)
puts "#{old_address.ljust(40, " ").gsub(/\r|\n/, "")} #{address}"
email.user.update!(email_address_attributes: { address: address }) if ENV.fetch("FIX", "false").truthy?
else