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lib/perl5/Selima/Checker/MailTo.pm

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+# 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;