2010-02-21 15:00:53 +01:00
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##@file
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# OpenID authentication backend file
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##@class
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2010-02-21 15:47:16 +01:00
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# OpenID authentication backend class.
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# The form must return a openIdUrl field
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2010-02-21 15:00:53 +01:00
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package Lemonldap::NG::Portal::AuthOpenID;
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use strict;
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use Lemonldap::NG::Portal::Simple;
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use Net::OpenID::Consumer;
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use LWP::UserAgent;
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2010-06-04 10:35:53 +02:00
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use Cache::FileCache;
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2010-02-21 15:00:53 +01:00
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our $VERSION = '0.1';
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## @apmethod int authInit()
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# @return Lemonldap::NG::Portal constant
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sub authInit {
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my $self = shift;
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2010-02-27 15:10:23 +01:00
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unless ( $self->{openIdSecret} ) {
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$self->abort( 'Bad configuration', 'openIdSecret field is required' );
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}
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2010-02-21 15:00:53 +01:00
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PE_OK;
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}
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## @apmethod int extractFormInfo()
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# Read username return by OpenID authentication system.
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# @return Lemonldap::NG::Portal constant
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sub extractFormInfo {
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my $self = shift;
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2010-02-27 15:10:23 +01:00
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$self->{csr} = Net::OpenID::Consumer->new(
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ua => LWP::UserAgent->new,
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cache => Cache::FileCache->new,
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args => $self,
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consumer_secret => $self->{openIdSecret},
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required_root => $self->{portal},
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);
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2010-02-21 15:00:53 +01:00
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my ( $url, $openid );
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# 1. If no openid element has been detected
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2010-02-27 15:10:23 +01:00
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$openid = $self->param('openid');
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2010-02-21 15:00:53 +01:00
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return PE_FIRSTACCESS
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2010-02-27 15:10:23 +01:00
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unless ( $url = $self->param('openIdUrl') or $openid );
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2010-02-21 15:00:53 +01:00
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# 2. Check OpenID responses
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if ($openid) {
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my $csr = $self->{csr};
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# Remote error
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unless ( $csr->is_server_response() ) {
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$self->{msg} = 'No OpenID valid message found' . $csr->err();
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$self->lmLog( $self->{msg}, 'debug' );
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return PE_BADCREDENTIALS;
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}
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2010-02-21 15:47:16 +01:00
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# If confirmation is needed
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2010-02-21 15:00:53 +01:00
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if ( my $setup_url = $csr->user_setup_url ) {
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2010-02-27 15:10:23 +01:00
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$self->lmLog( 'OpenID confirmation needed', 'debug' );
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2010-02-21 15:47:16 +01:00
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print $self->redirect($setup_url);
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$self->quit();
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2010-02-21 15:00:53 +01:00
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}
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# Check if user has refused to share his authentication
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elsif ( $csr->user_cancel() ) {
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$self->{msg} = "OpenID request cancelled by user";
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$self->lmLog( $self->{msg}, 'debug' );
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return PE_FIRSTACCESS;
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}
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# TODO: check verified identity
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2010-02-27 15:10:23 +01:00
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elsif ( $self->{vident} = $csr->verified_identity ) {
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$self->{user} = $self->{vident}->url();
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$self->lmLog( "OpenID good authentication for $self->{user}",
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'debug' );
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$self->{mustRedirect} = 1;
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2010-02-21 15:00:53 +01:00
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return PE_OK;
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}
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# Other errors
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else {
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$self->{msg} = 'OpenID error: ' . $csr->err;
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$self->lmLog( $self->{msg}, 'debug' );
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return PE_ERROR;
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2010-02-21 15:00:53 +01:00
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}
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}
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# 3. Check if an OpenID url has been submitted
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else {
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my $claimed_identity = $self->{csr}->claimed_identity($url);
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# Check if url is valid
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unless ($claimed_identity) {
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$self->{msg} = "OpenID error : " . $self->{csr}->err();
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$self->lmLog( $self->{msg}, 'debug' );
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return PE_BADCREDENTIALS;
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}
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# Redirect user
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$self->lmLog( "OpenID redirection to $url", 'debug' );
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# TODO: insert url=...
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2010-02-21 15:00:53 +01:00
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my $check_url = $claimed_identity->check_url(
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return_to => $self->{portal} . '?openid=1',
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trust_root => $self->{portal},
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);
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print $self->redirect($check_url);
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$self->quit();
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2010-02-21 15:00:53 +01:00
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}
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PE_OK;
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}
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## @apmethod int setAuthSessionInfo()
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# Set _user and authenticationLevel.
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2010-02-21 15:00:53 +01:00
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# @return Lemonldap::NG::Portal constant
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sub setAuthSessionInfo {
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my $self = shift;
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2010-03-15 10:53:56 +01:00
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$self->{sessionInfo}->{'_user'} = $self->{user};
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2010-02-21 15:00:53 +01:00
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2010-04-14 17:37:57 +02:00
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# authenticationLevel 4 for external authentication
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$self->{sessionInfo}->{authenticationLevel} = 4;
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2010-02-21 15:00:53 +01:00
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PE_OK;
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}
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## @apmethod int authenticate()
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# Does nothing.
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# @return Lemonldap::NG::Portal constant
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sub authenticate {
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PE_OK;
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}
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1;
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__END__
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=head1 NAME
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=encoding utf8
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2010-02-27 23:37:59 +01:00
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Lemonldap::NG::Portal::AuthOpenID - Perl extension for building Lemonldap::NG
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compatible portals with OpenID authentication.
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=head1 SYNOPSIS
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use Lemonldap::NG::Portal::SharedConf;
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my $portal = new Lemonldap::NG::Portal::Simple(
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configStorage => {...}, # See Lemonldap::NG::Portal
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authentication => 'OpenID',
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);
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if($portal->process()) {
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# Write here the menu with CGI methods. This page is displayed ONLY IF
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# the user was not redirected here.
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print $portal->header('text/html; charset=utf8'); # DON'T FORGET THIS (see CGI(3))
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print "...";
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}
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else {
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# If the user enters here, IT MEANS THAT CAS REDIRECTION DOES NOT WORK
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print $portal->header('text/html; charset=utf8'); # DON'T FORGET THIS (see CGI(3))
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print "<html><body><h1>Unable to work</h1>";
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print "This server isn't well configured. Contact your administrator.";
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print "</body></html>";
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}
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=head1 DESCRIPTION
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This library just overload few methods of Lemonldap::NG::Portal::Simple to use
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OpenID authentication mechanism.
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See L<Lemonldap::NG::Portal::Simple> for usage and other methods.
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=head1 SEE ALSO
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L<Lemonldap::NG::Portal>, L<Lemonldap::NG::Portal::Simple>,
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http://wiki.lemonldap.objectweb.org/xwiki/bin/view/NG/Presentation
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=head1 AUTHOR
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Thomas Chemineau, E<lt>thomas.chemineau@linagora.comE<gt>,
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Xavier Guimard, E<lt>x.guimard@free.frE<gt>
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=head1 BUG REPORT
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Use OW2 system to report bug or ask for features:
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L<http://forge.objectweb.org/tracker/?group_id=274>
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=head1 DOWNLOAD
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Lemonldap::NG is available at
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L<http://forge.objectweb.org/project/showfiles.php?group_id=274>
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=head1 COPYRIGHT AND LICENSE
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2010-02-21 21:17:13 +01:00
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Copyright (C) 2010 Xavier Guimard E<lt>x.guimard@free.frE<gt>
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This library is free software; you can redistribute it and/or modify
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it under the same terms as Perl itself, either Perl version 5.8.4 or,
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at your option, any later version of Perl 5 you may have available.
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=cut
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