discourse/lib/email_updater.rb

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# frozen_string_literal: true
class EmailUpdater
include HasErrors
attr_reader :user
def self.human_attribute_name(name, options = {})
User.human_attribute_name(name, options)
end
def initialize(guardian: nil, user: nil)
@guardian = guardian
@user = user
end
def change_to(email, add: false)
@guardian.ensure_can_edit_email!(@user)
email = Email.downcase(email.strip)
EmailValidator.new(attributes: :email).validate_each(self, :email, email)
return if errors.present?
if existing_user = User.find_by_email(email)
if SiteSetting.hide_email_address_taken
Jobs.enqueue(:critical_user_email, type: :account_exists, user_id: existing_user.id)
else
error_message = +'change_email.error'
error_message << '_staged' if existing_user.staged?
errors.add(:base, I18n.t(error_message))
end
end
return if errors.present? || existing_user.present?
old_email = @user.email if !add
if @guardian.is_staff? && @guardian.user != @user
StaffActionLogger.new(@guardian.user).log_add_email(@user)
else
UserHistory.create!(action: UserHistory.actions[:add_email], acting_user_id: @user.id)
end
change_req = EmailChangeRequest.find_or_initialize_by(
user_id: @user.id, new_email: email, requested_by: @guardian.user
)
if change_req.new_record?
change_req.old_email = old_email
change_req.new_email = email
end
if change_req.change_state.blank? || change_req.change_state == EmailChangeRequest.states[:complete]
change_req.change_state = if @user.staff?
# Staff users must confirm their old email address first.
EmailChangeRequest.states[:authorizing_old]
else
EmailChangeRequest.states[:authorizing_new]
end
end
if change_req.change_state == EmailChangeRequest.states[:authorizing_old]
change_req.old_email_token = @user.email_tokens.create!(email: @user.email)
send_email(add ? :confirm_old_email_add : :confirm_old_email, change_req.old_email_token)
elsif change_req.change_state == EmailChangeRequest.states[:authorizing_new]
change_req.new_email_token = @user.email_tokens.create!(email: email)
send_email(:confirm_new_email, change_req.new_email_token)
end
change_req.save!
end
def confirm(token)
confirm_result = nil
User.transaction do
result = EmailToken.atomic_confirm(token)
if result[:success]
token = result[:email_token]
@user = token.user
change_req = @user.email_change_requests
.where('old_email_token_id = :token_id OR new_email_token_id = :token_id', token_id: token.id)
.first
case change_req.try(:change_state)
when EmailChangeRequest.states[:authorizing_old]
change_req.update!(
change_state: EmailChangeRequest.states[:authorizing_new],
new_email_token: @user.email_tokens.create(email: change_req.new_email)
)
send_email(:confirm_new_email, change_req.new_email_token)
confirm_result = :authorizing_new
when EmailChangeRequest.states[:authorizing_new]
change_req.update!(change_state: EmailChangeRequest.states[:complete])
if !@user.staff?
# Send an email notification only to users who did not confirm old
# email.
send_email_notification(change_req.old_email, change_req.new_email)
end
update_user_email(change_req.old_email, change_req.new_email)
confirm_result = :complete
end
else
errors.add(:base, I18n.t('change_email.already_done'))
confirm_result = :error
end
end
confirm_result || :error
end
def update_user_email(old_email, new_email)
if old_email.present?
@user.user_emails.find_by(email: old_email).update!(email: new_email)
else
@user.user_emails.create!(email: new_email)
end
@user.reload
DiscourseEvent.trigger(:user_updated, @user)
@user.set_automatic_groups
end
protected
def send_email(type, email_token)
Jobs.enqueue :critical_user_email,
to_address: email_token.email,
type: type,
user_id: @user.id,
email_token: email_token.token
end
def send_email_notification(old_email, new_email)
Jobs.enqueue :critical_user_email,
to_address: @user.email,
type: old_email ? :notify_old_email : :notify_old_email_add,
user_id: @user.id,
new_email: new_email
end
end