view Lib/IMPL/Web/QueryHandler/UrlController.pm @ 151:e36ffd8c29db

Fixed major bug in conversion from a POST request to the DOM document (when instanceId == 0) minor fixes
author wizard
date Fri, 20 Aug 2010 16:33:37 +0400
parents e6447ad85cb4
children 3f09584bf189
line wrap: on
line source

package IMPL::Web::QueryHandler::UrlController;
use strict;
use base qw(IMPL::Web::QueryHandler);

use IMPL::Class::Property;
use IMPL::Exception;
use Carp qw(croak);
use Scalar::Util qw(tainted);

BEGIN {
	public property namespace => prop_all;
}

__PACKAGE__->PassThroughArgs;

sub Process {
	my ($this,$action,$nextHandler) = @_;
	
	my $namespace = $this->namespace || $action->application->type;
	
	my @target = grep $_, split /\//, ($ENV{PATH_INFO} || '') or die new IMPL::Exception("No target specified");
	
	my $method = pop @target;
	if ( $method =~ /^(\w+)/ ) {
		$method = $1;
	} else {
		die new IMPL::Exception("Invalid method name",$method);
	}
	
	(/^(\w+)$/ or die new IMPL::Exception("Invalid module name part", $_)) and $_=$1 foreach @target;
	
	my $module = join '::',$namespace,@target;
	
	die new IMPL::Exception("A module name is untrusted", $module) if tainted($module);
	
	eval "require $module; 1;" unless eval{ $module->can('InvokeAction'); };
	if (my $err = $@ ) {
		die new IMPL::Exception("Failed to load module",$module,$err);
	}
	
	if(UNIVERSAL::can($module,'InvokeAction')) {
		$module->InvokeAction($method,$action);
	} else {
		die new IMPL::InvalidOperationException("Failed to invoke action",$ENV{PATH_INFO},$module,$method);
	}
}

1;

__END__

=pod

=head1 NAME

C<IMPL::Web::QueryHandler::UrlController> - вызов метода на основе <url> запроса.

=head1 DESCRIPTION

Использует переменную C<$ENV{PATH_INFO}> для получения имени и метода модуля.

=cut