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package Koha::Template::Escape; |
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# This is largely inspired from Template::Stash::AutoEscaping |
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use Modern::Perl; |
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use Template::Config; |
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use parent ($Template::Config::STASH, 'Class::Data::Inheritable'); |
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sub new { |
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my $class = shift; |
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my $self = $class->SUPER::new(@_); |
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return $self; |
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} |
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sub get_raw_args { |
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my ( $args, $escaped_class ) = @_; |
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my $changed = 0; |
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my @raw_args; |
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for my $v (@{ $args }) { |
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my $new_v; |
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if ( ref $v eq $escaped_class ) { |
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$changed = 1; |
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$new_v = $v->[0]; |
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} elsif (ref $v eq 'ARRAY') { |
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$new_v = get_raw_args($v, $escaped_class); |
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if ($new_v) { |
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$changed = 1; |
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} else { |
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$new_v = $v; |
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} |
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} else { |
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$new_v = $v; |
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} |
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push @raw_args, $new_v; |
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} |
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return unless $changed; |
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return \@raw_args; |
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} |
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sub get { |
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my ( $self, @args ) = @_; |
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# note: hack for [% hash.${key} %] [% hash.item(key) %] |
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# key expected raw string. |
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if (ref $args[0] eq "ARRAY" && (scalar @{$args[0]} > 2)){ |
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my $changed = get_raw_args($args[0], 'Koha::Template::Escape'); |
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# retry by non-escaped args |
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if ($changed) { |
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$args[0] = $changed; |
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return $self->get(@args); |
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} |
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} |
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my ($var) = $self->SUPER::get(@args); |
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if (ref $args[0] eq "ARRAY") { |
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my $key = $args[0]->[0]; |
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if (grep { $key eq $_ } @{ $self->{ignore_escape} }) { |
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return $var; |
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} |
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} |
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my $ref = ref $var; |
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# string |
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if ((!$ref) and (length($var) > 0)) { |
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return $self->escape($var); |
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} |
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return $var; |
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} |
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# With %XML => xml_escape subroutine from Mojo |
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#our %XML = ( |
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# '&' => '&', |
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# '<' => '<', |
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# '>' => '>', |
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# '"' => '"', |
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# '\'' => ''' |
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#); |
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# Without XML => TT html filter and AutoEscaping |
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sub escape { |
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my $class = shift; |
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my $text = shift; |
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# $text =~ s/([&<>"'])/$XML{$1}/ge; |
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for ($text) { |
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s/&/&/g; |
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s/</</g; |
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s/>/>/g; |
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s/"/"/g; |
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s/'/'/g; |
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} |
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return $text; |
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} |
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1; |