|
Line 0
Link Here
|
|
|
1 |
package Koha::Template::AutoEscaping; |
| 2 |
|
| 3 |
use Modern::Perl; |
| 4 |
|
| 5 |
use Template::Config; |
| 6 |
use parent ($Template::Config::STASH, 'Class::Data::Inheritable'); |
| 7 |
|
| 8 |
use Template::Stash::AutoEscaping::RawString; |
| 9 |
|
| 10 |
our $DEBUG = 0; |
| 11 |
|
| 12 |
sub new { |
| 13 |
my $class = shift; |
| 14 |
my $self = $class->SUPER::new(@_); |
| 15 |
$self->{method_for_raw} ||= 'raw'; |
| 16 |
$self->{method_for_escape} ||= 'escape'; |
| 17 |
$self->{_raw_string_class} ||= 'Template::Stash::AutoEscaping::RawString'; |
| 18 |
$self->{ignore_escape} ||= []; |
| 19 |
$self->{die_on_unescaped} ||= 0; |
| 20 |
|
| 21 |
foreach my $ops ($Template::Stash::SCALAR_OPS, $Template::Stash::LIST_OPS) |
| 22 |
{ |
| 23 |
$ops->{$self->{method_for_raw}} = sub { |
| 24 |
my $scalar = shift; |
| 25 |
return $self->{_raw_string_class}->new($scalar); |
| 26 |
}; |
| 27 |
|
| 28 |
$ops->{$self->{method_for_escape}} = sub { |
| 29 |
my $scalar = shift; |
| 30 |
return $self->{_raw_string_class}->new( |
| 31 |
$self->escape($scalar), |
| 32 |
); |
| 33 |
}; |
| 34 |
|
| 35 |
}; |
| 36 |
return $self; |
| 37 |
} |
| 38 |
|
| 39 |
sub get_raw_args { |
| 40 |
my ( $args, $escaped_class ) = @_; |
| 41 |
my $changed = 0; |
| 42 |
my @raw_args; |
| 43 |
for my $v (@{ $args }) { |
| 44 |
my $new_v; |
| 45 |
if ( ref $v eq $escaped_class ) { |
| 46 |
$changed = 1; |
| 47 |
$new_v = $v->[0]; |
| 48 |
} elsif (ref $v eq 'ARRAY') { |
| 49 |
$new_v = get_raw_args($v, $escaped_class); |
| 50 |
if ($new_v) { |
| 51 |
$changed = 1; |
| 52 |
} else { |
| 53 |
$new_v = $v; |
| 54 |
} |
| 55 |
} else { |
| 56 |
$new_v = $v; |
| 57 |
} |
| 58 |
push @raw_args, $new_v; |
| 59 |
} |
| 60 |
|
| 61 |
return unless $changed; |
| 62 |
return \@raw_args; |
| 63 |
} |
| 64 |
|
| 65 |
sub get { |
| 66 |
my ( $self, @args ) = @_; |
| 67 |
|
| 68 |
# note: hack for [% hash.${key} %] [% hash.item(key) %] |
| 69 |
# key expected raw string. |
| 70 |
if (ref $args[0] eq "ARRAY" && (scalar @{$args[0]} > 2)){ |
| 71 |
my $changed = get_raw_args($args[0], 'Koha::Template::AutoEscaping'); |
| 72 |
# retry by non-escaped args |
| 73 |
if ($changed) { |
| 74 |
$args[0] = $changed; |
| 75 |
return $self->get(@args); |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
my ($var) = $self->SUPER::get(@args); |
| 80 |
if (ref $args[0] eq "ARRAY") { |
| 81 |
my $key = $args[0]->[0]; |
| 82 |
warn $key if $DEBUG; |
| 83 |
if (grep { $key eq $_ } @{ $self->{ignore_escape} }) { |
| 84 |
warn "ignore escape $key" if $DEBUG; |
| 85 |
return $var; |
| 86 |
} |
| 87 |
} |
| 88 |
|
| 89 |
my $ref = ref $var; |
| 90 |
# string |
| 91 |
if ((!$ref) and (length($var) > 0)) { |
| 92 |
return $self->escape($var); |
| 93 |
} |
| 94 |
# via .raw vmethod |
| 95 |
if ($ref eq $self->{_raw_string_class}) { |
| 96 |
return "$var"; |
| 97 |
} |
| 98 |
return $var; |
| 99 |
} |
| 100 |
|
| 101 |
# With %XML => xml_escape subroutine from Mojo |
| 102 |
#our %XML = ( |
| 103 |
# '&' => '&', |
| 104 |
# '<' => '<', |
| 105 |
# '>' => '>', |
| 106 |
# '"' => '"', |
| 107 |
# '\'' => ''' |
| 108 |
#); |
| 109 |
|
| 110 |
sub escape { |
| 111 |
my $self = shift; |
| 112 |
my $text = shift; |
| 113 |
for ($text) { |
| 114 |
s/&/&/g; |
| 115 |
s/</</g; |
| 116 |
s/>/>/g; |
| 117 |
s/"/"/g; |
| 118 |
s/'/'/g; |
| 119 |
} |
| 120 |
return $text; |
| 121 |
} |
| 122 |
|
| 123 |
1; |