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# frozen_string_literal: true
# Redmine - project management software
# Copyright (C) 2006- Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
class EmailAddress < ApplicationRecord
include Redmine::SafeAttributes
belongs_to :user
after_update :destroy_tokens
after_destroy :destroy_tokens
after_create_commit :deliver_security_notification_create
after_update_commit :deliver_security_notification_update
after_destroy_commit :deliver_security_notification_destroy
validates_presence_of :address
validates_format_of :address, :with => URI::MailTo::EMAIL_REGEXP, :allow_blank => true
validates_length_of :address, :maximum => User::MAIL_LENGTH_LIMIT, :allow_nil => true
validates_uniqueness_of :address, :case_sensitive => false,
:if => Proc.new {|email| email.address_changed? && email.address.present?}
validate :validate_email_domain, :if => proc {|email| email.address.present?}
normalizes :address, with: lambda { |address|
normalized_address = address.to_s.strip
local_part, _at, domain = normalized_address.partition('@')
if domain.present?
# Convert internationalized domain name (IDN) to Punycode
# e.g. 'marie@société.example' => 'marie@xn--socit-esab.example'
ascii_domain = Addressable::IDNA.to_ascii(domain)
normalized_address = "#{local_part}@#{ascii_domain}"
end
normalized_address
}
safe_attributes 'address'
def destroy
if is_default?
false
else
super
end
end
# Returns true if the email domain is allowed regarding allowed/denied
# domains defined in application settings, otherwise false
def self.valid_domain?(domain_or_email)
denied, allowed =
[:email_domains_denied, :email_domains_allowed].map do |setting|
Setting.__send__(setting)
end
domain = domain_or_email.split('@').last
return false if denied.present? && domain_in?(domain, denied)
return false if allowed.present? && !domain_in?(domain, allowed)
true
end
# Returns true if domain belongs to domains list.
def self.domain_in?(domain, domains)
domain = domain.to_s.downcase
domains = domains.to_s.split(/[\s,]+/) unless domains.is_a?(Array)
domains.reject(&:blank?).map(&:downcase).any? do |s|
s.start_with?('.') ? domain.end_with?(s) : domain == s
end
end
private
# send a security notification to user that a new email address was added
def deliver_security_notification_create
# only deliver if this isn't the only address.
# in that case, the user is just being created and
# should not receive this email.
if user.mails != [address]
deliver_security_notification(
message: :mail_body_security_notification_add,
field: :field_mail,
value: address
)
end
end
# send a security notification to user that an email has been changed (notified/not notified)
def deliver_security_notification_update
if saved_change_to_address?
options = {
recipients: [address_before_last_save],
message: :mail_body_security_notification_change_to,
field: :field_mail,
value: address
}
elsif saved_change_to_notify?
options = {
recipients: [address],
message: notify_before_last_save ? :mail_body_security_notification_notify_disabled : :mail_body_security_notification_notify_enabled,
value: address
}
end
deliver_security_notification(options)
end
# send a security notification to user that an email address was deleted
def deliver_security_notification_destroy
deliver_security_notification(
recipients: [address],
message: :mail_body_security_notification_remove,
field: :field_mail,
value: address
)
end
# generic method to send security notifications for email addresses
def deliver_security_notification(options={})
Mailer.deliver_security_notification(
user,
User.current,
options.merge(
title: :label_my_account,
url: {controller: 'my', action: 'account'}
)
)
end
# Delete all outstanding password reset tokens on email change.
# This helps to keep the account secure in case the associated email account
# was compromised.
def destroy_tokens
if saved_change_to_address? || destroyed?
tokens = ['recovery']
Token.where(:user_id => user_id, :action => tokens).delete_all
end
end
def validate_email_domain
domain = address.partition('@').last
# Skip domain validation if the email does not contain a domain part,
# to avoid an incomplete error message like "domain not allowed ()"
return if domain.empty?
return if self.class.valid_domain?(domain)
if User.current.logged?
errors.add(:address, :domain_not_allowed, :domain => domain)
else
# Don't display a detailed error message for anonymous users
errors.add(:address, :invalid)
end
end
end
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