/usr/share/otrs/Kernel/System/JSON.pm is in otrs2 3.3.5-1.
This file is owned by root:root, with mode 0o644.
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# Kernel/System/JSON.pm - Wrapper functions for encoding and decoding JSON
# Copyright (C) 2001-2014 OTRS AG, http://otrs.com/
# --
# This software comes with ABSOLUTELY NO WARRANTY. For details, see
# the enclosed file COPYING for license information (AGPL). If you
# did not receive this file, see http://www.gnu.org/licenses/agpl.txt.
# --
package Kernel::System::JSON;
use strict;
use warnings;
# on PerlEx JSON::XS causes problems so force JSON::PP as backend
# see http://bugs.otrs.org/show_bug.cgi?id=7337
BEGIN {
if ( $ENV{GATEWAY_INTERFACE} && $ENV{GATEWAY_INTERFACE} =~ m{\A CGI-PerlEx}xmsi ) {
$ENV{PERL_JSON_BACKEND} = 'JSON::PP';
}
}
use JSON;
=head1 NAME
Kernel::System::JSON - the JSON wrapper lib
=head1 SYNOPSIS
Functions for encoding perl data structures to JSON.
=head1 PUBLIC INTERFACE
=over 4
=cut
=item new()
create a JSON object
use Kernel::Config;
use Kernel::System::Encode;
use Kernel::System::Log;
use Kernel::System::JSON;
my $ConfigObject = Kernel::Config->new();
my $EncodeObject = Kernel::System::Encode->new(
ConfigObject => $ConfigObject,
);
my $LogObject = Kernel::System::Log->new(
ConfigObject => $ConfigObject,
EncodeObject => $EncodeObject,
);
my $JSONObject = Kernel::System::JSON->new(
ConfigObject => $ConfigObject,
EncodeObject => $EncodeObject,
LogObject => $LogObject,
);
=cut
sub new {
my ( $Type, %Param ) = @_;
# allocate new hash for object
my $Self = {};
bless( $Self, $Type );
# check needed objects
for my $Object (qw(ConfigObject EncodeObject LogObject)) {
$Self->{$Object} = $Param{$Object} || die "Got no $Object!";
}
# create additional objects
$Self->{JSONObject} = JSON->new();
$Self->{JSONObject}->allow_nonref(1);
return $Self;
}
=item Encode()
Encode a perl data structure to a JSON string.
my $JSONString = $JSONObject->Encode(
Data => $Data,
SortKeys => 1, (optional) (0|1) default 0, to sort the keys of the json data
);
=cut
sub Encode {
my ( $Self, %Param ) = @_;
# check for needed data
if ( !defined $Param{Data} ) {
$Self->{LogObject}->Log(
Priority => 'error',
Message => 'Need Data!',
);
return;
}
# sort the keys of the JSON data
if ( $Param{SortKeys} ) {
$Self->{JSONObject}->canonical( [1] );
}
# get JSON-encoded presentation of perl structure
my $JSONEncoded = $Self->{JSONObject}->encode( $Param{Data} ) || '""';
return $JSONEncoded;
}
=item Decode()
Decode a JSON string to a perl data structure.
my $PerlStructureScalar = $JSONObject->Decode(
Data => $JSONString,
);
=cut
sub Decode {
my ( $Self, %Param ) = @_;
# check for needed data
return if !defined $Param{Data};
# decode JSON encoded to perl structure
my $Scalar;
# use eval here, as JSON::XS->decode() dies when providing a malformed JSON string
if ( !eval { $Scalar = $Self->{JSONObject}->decode( $Param{Data} ) } ) {
$Self->{LogObject}->Log(
Priority => 'error',
Message => 'Decoding the JSON string failed: ' . $@,
);
return;
}
return $Scalar;
}
=item True()
returns a constant that can be mapped to a boolean true value
in JSON rather than a string with "true".
my $TrueConstant = $JSONObject->True();
my $TrueJS = $JSONObject->Encode(
Data => $TrueConstant,
);
This will return the string 'true'.
If you pass the perl string 'true' to JSON, it will return '"true"'
as a JavaScript string instead.
=cut
sub True {
return JSON::true();
}
=item False()
like C<True()>, but for a false boolean value.
=cut
sub False {
return JSON::false();
}
1;
=back
=head1 TERMS AND CONDITIONS
This software is part of the OTRS project (L<http://otrs.org/>).
This software comes with ABSOLUTELY NO WARRANTY. For details, see
the enclosed file COPYING for license information (AGPL). If you
did not receive this file, see L<http://www.gnu.org/licenses/agpl.txt>.
=cut
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