bugzilla-4intranet/Bugzilla/WebService/Server/XMLRPC.pm

245 lines
8.1 KiB
Perl

# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# Contributor(s): Marc Schumann <wurblzap@gmail.com>
# Max Kanat-Alexander <mkanat@bugzilla.org>
# Rosie Clarkson <rosie.clarkson@planningportal.gov.uk>
#
# Portions © Crown copyright 2009 - Rosie Clarkson (development@planningportal.gov.uk) for the Planning Portal
package Bugzilla::WebService::Server::XMLRPC;
use strict;
use XMLRPC::Transport::HTTP;
use Bugzilla::WebService::Server;
our @ISA = qw(XMLRPC::Transport::HTTP::CGI Bugzilla::WebService::Server);
use Bugzilla::WebService::Constants;
sub initialize {
my $self = shift;
my %retval = $self->SUPER::initialize(@_);
$retval{'serializer'} = Bugzilla::XMLRPC::Serializer->new;
$retval{'deserializer'} = Bugzilla::XMLRPC::Deserializer->new;
$retval{'dispatch_with'} = WS_DISPATCH;
return %retval;
}
sub make_response {
my $self = shift;
$self->SUPER::make_response(@_);
# XMLRPC::Transport::HTTP::CGI doesn't know about Bugzilla carrying around
# its cookies in Bugzilla::CGI, so we need to copy them over.
foreach (@{Bugzilla->cgi->{'Bugzilla_cookie_list'}}) {
$self->response->headers->push_header('Set-Cookie', $_);
}
}
sub datetime_format {
my ($self, $date_string) = @_;
my $time = str2time($date_string);
my ($sec, $min, $hour, $mday, $mon, $year) = localtime $time;
# This format string was stolen from SOAP::Utils->format_datetime,
# which doesn't work but which has almost the right format string.
my $iso_datetime = sprintf('%d%02d%02dT%02d:%02d:%02d',
$year + 1900, $mon + 1, $mday, $hour, $min, $sec);
return $iso_datetime;
}
sub handle_login {
my ($self, $classes, $action, $uri, $method) = @_;
my $class = $classes->{$uri};
my $full_method = $uri . "." . $method;
$self->SUPER::handle_login($class, $method, $full_method);
return;
}
1;
# This exists to validate input parameters (which XMLRPC::Lite doesn't do)
# and also, in some cases, to more-usefully decode them.
package Bugzilla::XMLRPC::Deserializer;
use strict;
# We can't use "use base" because XMLRPC::Serializer doesn't return
# a true value.
eval { require XMLRPC::Lite; };
our @ISA = qw(XMLRPC::Deserializer);
use Bugzilla::Error;
# Some method arguments need to be converted in some way, when they are input.
sub decode_value {
my $self = shift;
my ($type) = @{ $_[0] };
my $value = $self->SUPER::decode_value(@_);
# We only validate/convert certain types here.
return $value if $type !~ /^(?:int|i4|boolean|double|dateTime\.iso8601)$/;
# Though the XML-RPC standard doesn't allow an empty <int>,
# <double>,or <dateTime.iso8601>, we do, and we just say
# "that's undef".
if (grep($type eq $_, qw(int double dateTime))) {
return undef if $value eq '';
}
my $validator = $self->_validation_subs->{$type};
if (!$validator->($value)) {
ThrowUserError('xmlrpc_invalid_value',
{ type => $type, value => $value });
}
# We convert dateTimes to a DB-friendly date format.
if ($type eq 'dateTime.iso8601') {
# We leave off the $ from the end of this regex to allow for possible
# extensions to the XML-RPC date standard.
$value =~ /^(\d{4})(\d{2})(\d{2})T(\d{2}):(\d{2}):(\d{2})/;
$value = "$1-$2-$3 $4:$5:$6";
}
return $value;
}
sub _validation_subs {
my $self = shift;
return $self->{_validation_subs} if $self->{_validation_subs};
# The only place that XMLRPC::Lite stores any sort of validation
# regex is in XMLRPC::Serializer. We want to re-use those regexes here.
my $lookup = Bugzilla::XMLRPC::Serializer->new->typelookup;
# $lookup is a hash whose values are arrayrefs, and whose keys are the
# names of types. The second item of each arrayref is a subroutine
# that will do our validation for us.
my %validators = map { $_ => $lookup->{$_}->[1] } (keys %$lookup);
# Add a boolean validator
$validators{'boolean'} = sub {$_[0] =~ /^[01]$/};
# Some types have multiple names, or have a different name in
# XMLRPC::Serializer than their standard XML-RPC name.
$validators{'dateTime.iso8601'} = $validators{'dateTime'};
$validators{'i4'} = $validators{'int'};
$self->{_validation_subs} = \%validators;
return \%validators;
}
1;
# This package exists to fix a UTF-8 bug in SOAP::Lite.
# See http://rt.cpan.org/Public/Bug/Display.html?id=32952.
package Bugzilla::XMLRPC::Serializer;
use Scalar::Util qw(blessed);
use strict;
# We can't use "use base" because XMLRPC::Serializer doesn't return
# a true value.
eval { require XMLRPC::Lite; };
our @ISA = qw(XMLRPC::Serializer);
sub new {
my $class = shift;
my $self = $class->SUPER::new(@_);
# This fixes UTF-8.
$self->{'_typelookup'}->{'base64'} =
[10, sub { !utf8::is_utf8($_[0]) && $_[0] =~ /[^\x09\x0a\x0d\x20-\x7f]/},
'as_base64'];
# This makes arrays work right even though we're a subclass.
# (See http://rt.cpan.org//Ticket/Display.html?id=34514)
$self->{'_encodingStyle'} = '';
return $self;
}
# Here the XMLRPC::Serializer is extended to use the XMLRPC nil extension.
sub encode_object {
my $self = shift;
my @encoded = $self->SUPER::encode_object(@_);
return $encoded[0]->[0] eq 'nil'
? ['value', {}, [@encoded]]
: @encoded;
}
# Removes undefined values so they do not produce invalid XMLRPC.
sub envelope {
my $self = shift;
my ($type, $method, $data) = @_;
# If the type isn't a successful response we don't want to change the values.
if ($type eq 'response'){
$data = _strip_undefs($data);
}
return $self->SUPER::envelope($type, $method, $data);
}
# In an XMLRPC response we have to handle hashes of arrays, hashes, scalars,
# Bugzilla objects (reftype = 'HASH') and XMLRPC::Data objects.
# The whole XMLRPC::Data object must be removed if its value key is undefined
# so it cannot be recursed like the other hash type objects.
sub _strip_undefs {
my ($initial) = @_;
if (ref $initial eq "HASH" || (blessed $initial && $initial->isa("HASH"))) {
while (my ($key, $value) = each(%$initial)) {
if ( !defined $value
|| (blessed $value && $value->isa('XMLRPC::Data') && !defined $value->value) )
{
# If the value is undefined remove it from the hash.
delete $initial->{$key};
}
else {
$initial->{$key} = _strip_undefs($value);
}
}
}
if (ref $initial eq "ARRAY" || (blessed $initial && $initial->isa("ARRAY"))) {
for (my $count = 0; $count < scalar @{$initial}; $count++) {
my $value = $initial->[$count];
if ( !defined $value
|| (blessed $value && $value->isa('XMLRPC::Data') && !defined $value->value) )
{
# If the value is undefined remove it from the array.
splice(@$initial, $count, 1);
$count--;
}
else {
$initial->[$count] = _strip_undefs($value);
}
}
}
return $initial;
}
sub BEGIN {
no strict 'refs';
for my $type (qw(double i4 int dateTime)) {
my $method = 'as_' . $type;
*$method = sub {
my ($self, $value) = @_;
if (!defined($value)) {
return as_nil();
}
else {
my $super_method = "SUPER::$method";
return $self->$super_method($value);
}
}
}
}
sub as_nil {
return ['nil', {}];
}
1;