/usr/lib/x86_64-linux-gnu/perl5/5.22/Embperl/Form/Validate/EMailRFC.pm is in libembperl-perl 2.5.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Embperl - Copyright (c) 1997-2008 Gerald Richter / ecos gmbh www.ecos.de
# Embperl - Copyright (c) 2008-2014 Gerald Richter
#
# You may distribute under the terms of either the GNU General Public
# License or the Artistic License, as specified in the Perl README file.
#
# THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# $Id: EMailRFC.pm 1578075 2014-03-16 14:01:14Z richter $
#
###################################################################################
package Embperl::Form::Validate::EMailRFC ;
use base qw(Embperl::Form::Validate::EMail);
# --------------------------------------------------------------
sub validate
{
my ($self, $key, $value, $fdat, $pref) = @_ ;
# The valid address "user@tld" or local addresses are valid in this RFC conforming ruleset
if ($value !~ /^[^ <>()@¡-ÿ]+@[^ <>()@¡-ÿ]+$/ or
$value =~ /@(\.|.*(\.\.|@))/)
{
return ['validate_email', $value, $key] ;
}
if ($value =~ /^mailto:/i)
{
return ['validate_email_nomailto', $value, $key] ;
}
return undef ;
}
# --------------------------------------------------------------
sub getscript_validate
{
my ($self, $arg, $pref) = @_ ;
return ('((obj.value.search(/^[^ <>()@¡-ÿ]+@[^ <>()@¡-ÿ]+$/) >= 0) && (obj.value.search(/@(\.|.*(\.\.|@))|mailto:/i) < 0))',
['validate_email', "'+obj.value+'"]) ;
}
1;
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