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87 lines
2.3 KiB
87 lines
2.3 KiB
package Koha::Util::Navigation;
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# Copyright Rijksmuseum 2018
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use Modern::Perl;
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use C4::Context;
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=head1 NAME
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Koha::Util
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=head1 SYNOPSIS
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use Koha::Util::Navigation;
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my $cgi = CGI->new;
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my $referer = Koha::Util::Navigation::local_referer($cgi);
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=head1 DESCRIPTION
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Utility class
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=head1 FUNCTIONS
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=head2 local_referer
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my $referer = Koha::Util::Navigation::local_referer( $cgi, { fallback => '/', remove_language => 1, staff => 1 });
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If the referer is a local URI, return local path.
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Otherwise return fallback.
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Optional parameters fallback, remove_language and staff. If you do not
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pass staff, opac is assumed.
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=cut
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sub local_referer {
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my ( $cgi, $params ) = @_;
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my $referer = $cgi->referer;
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my $fallback = $params->{fallback} // '/';
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my $staff = $params->{staff}; # no staff means OPAC
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return $fallback if !$referer;
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my $base = C4::Context->preference($staff ? 'staffClientBaseURL' : 'OPACBaseURL');
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my $rv;
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# Try ..BaseURL first, otherwise use CGI::url
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if( $base ) {
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if( $referer =~ m|^\Q$base\E|i &&
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$referer =~ /\/cgi-bin\/koha\// )
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{
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$rv = substr( $referer, length($base) );
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$rv =~ s/^\///;
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$rv = '/'.$rv;
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}
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} else {
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my $cgibase = $cgi->url( -base => 1 );
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$cgibase =~ s/^https?://;
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if( $referer =~ /$cgibase(\/cgi-bin\/koha\/.*)$/ ) {
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$rv = $1;
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}
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}
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$rv =~ s/(?<=[?&])language=[\w-]+(&|$)// if $rv and $params->{remove_language};
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return $rv // $fallback;
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}
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1;
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=head1 AUTHOR
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Marcel de Rooy, Rijksmuseum Amsterdam, The Netherlands
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Koha development team
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=cut
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