# Selima Website Content Management System
# MailTo.pm: The e-mail hyperlink redirection form checker.

#  Copyright (c) 2004-2018 imacat.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

# Author: imacat <imacat@mail.imacat.idv.tw>
# First written: 2004-10-25

package Selima::Checker::MailTo;
use 5.008;
use strict;
use warnings;
use base qw(Selima::Checker);

use Email::Valid qw();

use Selima::ShortCut;

# _check_email: Check the submitted e-mail
sub _check_email : method {
    local ($_, %_);
    my ($self, $form, $error);
    $self = $_[0];
    $form = $self->{"form"};
    # Check if it exists
    $error = $self->_missing("email");
    return $error if defined $error;
    # Regularize it
    $self->_trim("email");
    # Check if it is filled
    return {"msg"=>N_("Please fill in the e-mail.")}
        if $form->param("email") eq "";
    # Un-mung e-mail to its original format
    $_ = $form->param("email");
    s/ at /\@/;
    $form->param("email", $_);
    # Check the e-mail validity
    return {"msg"=>N_("Please fill in a valid e-mail address.")}
        if !Email::Valid->rfc822($form->param("email"));
    return {"msg"=>N_("The domain of this e-mail does not exists.  Check if there is any typo in it.")}
        if !Email::Valid->mx($form->param("email"));
    # OK
    return;
}

return 1;