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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
if ( ! function_exists('xml_parser_create'))
{
show_error('Your PHP installation does not support XML');
}
if ( ! class_exists('CI_Xmlrpc'))
{
show_error('You must load the Xmlrpc class before loading the Xmlrpcs class in order to create a server.');
}
// ------------------------------------------------------------------------
/**
* XML-RPC server class
*
* @package CodeIgniter
* @subpackage Libraries
* @category XML-RPC
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class CI_Xmlrpcs extends CI_Xmlrpc
{
var $methods = array(); //array of methods mapped to function names and signatures
var $debug_msg = ''; // Debug Message
var $system_methods = array(); // XML RPC Server methods
var $controller_obj;
var $object = FALSE;
/**
* Constructor
*/
public function __construct($config=array())
{
parent::__construct();
$this->set_system_methods();
if (isset($config['functions']) && is_array($config['functions']))
{
$this->methods = array_merge($this->methods, $config['functions']);
}
log_message('debug', "XML-RPC Server Class Initialized");
}
// --------------------------------------------------------------------
/**
* Initialize Prefs and Serve
*
* @access public
* @param mixed
* @return void
*/
function initialize($config=array())
{
if (isset($config['functions']) && is_array($config['functions']))
{
$this->methods = array_merge($this->methods, $config['functions']);
}
if (isset($config['debug']))
{
$this->debug = $config['debug'];
}
if (isset($config['object']) && is_object($config['object']))
{
$this->object = $config['object'];
}
if (isset($config['xss_clean']))
{
$this->xss_clean = $config['xss_clean'];
}
}
// --------------------------------------------------------------------
/**
* Setting of System Methods
*
* @access public
* @return void
*/
function set_system_methods()
{
$this->methods = array(
'system.listMethods' => array(
'function' => 'this.listMethods',
'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString), array($this->xmlrpcArray)),
'docstring' => 'Returns an array of available methods on this server'),
'system.methodHelp' => array(
'function' => 'this.methodHelp',
'signature' => array(array($this->xmlrpcString, $this->xmlrpcString)),
'docstring' => 'Returns a documentation string for the specified method'),
'system.methodSignature' => array(
'function' => 'this.methodSignature',
'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString)),
'docstring' => 'Returns an array describing the return type and required parameters of a method'),
'system.multicall' => array(
'function' => 'this.multicall',
'signature' => array(array($this->xmlrpcArray, $this->xmlrpcArray)),
'docstring' => 'Combine multiple RPC calls in one request. See http://www.xmlrpc.com/discuss/msgReader$1208 for details')
);
}
// --------------------------------------------------------------------
/**
* Main Server Function
*
* @access public
* @return void
*/
function serve()
{
$r = $this->parseRequest();
$payload = '<?xml version="1.0" encoding="'.$this->xmlrpc_defencoding.'"?'.'>'."\n";
$payload .= $this->debug_msg;
$payload .= $r->prepare_response();
header("Content-Type: text/xml");
header("Content-Length: ".strlen($payload));
exit($payload);
}
// --------------------------------------------------------------------
/**
* Add Method to Class
*
* @access public
* @param string method name
* @param string function
* @param string signature
* @param string docstring
* @return void
*/
function add_to_map($methodname, $function, $sig, $doc)
{
$this->methods[$methodname] = array(
'function' => $function,
'signature' => $sig,
'docstring' => $doc
);
}
// --------------------------------------------------------------------
/**
* Parse Server Request
*
* @access public
* @param string data
* @return object xmlrpc response
*/
function parseRequest($data='')
{
global $HTTP_RAW_POST_DATA;
//-------------------------------------
// Get Data
//-------------------------------------
if ($data == '')
{
$data = $HTTP_RAW_POST_DATA;
}
//-------------------------------------
// Set up XML Parser
//-------------------------------------
$parser = xml_parser_create($this->xmlrpc_defencoding);
$parser_object = new XML_RPC_Message("filler");
$parser_object->xh[$parser] = array();
$parser_object->xh[$parser]['isf'] = 0;
$parser_object->xh[$parser]['isf_reason'] = '';
$parser_object->xh[$parser]['params'] = array();
$parser_object->xh[$parser]['stack'] = array();
$parser_object->xh[$parser]['valuestack'] = array();
$parser_object->xh[$parser]['method'] = '';
xml_set_object($parser, $parser_object);
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
xml_set_element_handler($parser, 'open_tag', 'closing_tag');
xml_set_character_data_handler($parser, 'character_data');
//xml_set_default_handler($parser, 'default_handler');
//-------------------------------------
// PARSE + PROCESS XML DATA
//-------------------------------------
if ( ! xml_parse($parser, $data, 1))
{
// return XML error as a faultCode
$r = new XML_RPC_Response(0,
$this->xmlrpcerrxml + xml_get_error_code($parser),
sprintf('XML error: %s at line %d',
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser)));
xml_parser_free($parser);
}
elseif ($parser_object->xh[$parser]['isf'])
{
return new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'], $this->xmlrpcstr['invalid_return']);
}
else
{
xml_parser_free($parser);
$m = new XML_RPC_Message($parser_object->xh[$parser]['method']);
$plist='';
for ($i=0; $i < count($parser_object->xh[$parser]['params']); $i++)
{
if ($this->debug === TRUE)
{
$plist .= "$i - " . print_r(get_object_vars($parser_object->xh[$parser]['params'][$i]), TRUE). ";\n";
}
$m->addParam($parser_object->xh[$parser]['params'][$i]);
}
if ($this->debug === TRUE)
{
echo "<pre>";
echo "---PLIST---\n" . $plist . "\n---PLIST END---\n\n";
echo "</pre>";
}
$r = $this->_execute($m);
}
//-------------------------------------
// SET DEBUGGING MESSAGE
//-------------------------------------
if ($this->debug === TRUE)
{
$this->debug_msg = "<!-- DEBUG INFO:\n\n".$plist."\n END DEBUG-->\n";
}
return $r;
}
// --------------------------------------------------------------------
/**
* Executes the Method
*
* @access protected
* @param object
* @return mixed
*/
function _execute($m)
{
$methName = $m->method_name;
// Check to see if it is a system call
$system_call = (strncmp($methName, 'system', 5) == 0) ? TRUE : FALSE;
if ($this->xss_clean == FALSE)
{
$m->xss_clean = FALSE;
}
//-------------------------------------
// Valid Method
//-------------------------------------
if ( ! isset($this->methods[$methName]['function']))
{
return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
}
//-------------------------------------
// Check for Method (and Object)
//-------------------------------------
$method_parts = explode(".", $this->methods[$methName]['function']);
$objectCall = (isset($method_parts['1']) && $method_parts['1'] != "") ? TRUE : FALSE;
if ($system_call === TRUE)
{
if ( ! is_callable(array($this,$method_parts['1'])))
{
return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
}
}
else
{
if ($objectCall && ! is_callable(array($method_parts['0'],$method_parts['1'])))
{
return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
}
elseif ( ! $objectCall && ! is_callable($this->methods[$methName]['function']))
{
return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
}
}
//-------------------------------------
// Checking Methods Signature
//-------------------------------------
if (isset($this->methods[$methName]['signature']))
{
$sig = $this->methods[$methName]['signature'];
for ($i=0; $i<count($sig); $i++)
{
$current_sig = $sig[$i];
if (count($current_sig) == count($m->params)+1)
{
for ($n=0; $n < count($m->params); $n++)
{
$p = $m->params[$n];
$pt = ($p->kindOf() == 'scalar') ? $p->scalarval() : $p->kindOf();
if ($pt != $current_sig[$n+1])
{
$pno = $n+1;
$wanted = $current_sig[$n+1];
return new XML_RPC_Response(0,
$this->xmlrpcerr['incorrect_params'],
$this->xmlrpcstr['incorrect_params'] .
": Wanted {$wanted}, got {$pt} at param {$pno})");
}
}
}
}
}
//-------------------------------------
// Calls the Function
//-------------------------------------
if ($objectCall === TRUE)
{
if ($method_parts[0] == "this" && $system_call == TRUE)
{
return call_user_func(array($this, $method_parts[1]), $m);
}
else
{
if ($this->object === FALSE)
{
$CI =& get_instance();
return $CI->$method_parts['1']($m);
}
else
{
return $this->object->$method_parts['1']($m);
//return call_user_func(array(&$method_parts['0'],$method_parts['1']), $m);
}
}
}
else
{
return call_user_func($this->methods[$methName]['function'], $m);
}
}
// --------------------------------------------------------------------
/**
* Server Function: List Methods
*
* @access public
* @param mixed
* @return object
*/
function listMethods($m)
{
$v = new XML_RPC_Values();
$output = array();
foreach ($this->methods as $key => $value)
{
$output[] = new XML_RPC_Values($key, 'string');
}
foreach ($this->system_methods as $key => $value)
{
$output[]= new XML_RPC_Values($key, 'string');
}
$v->addArray($output);
return new XML_RPC_Response($v);
}
// --------------------------------------------------------------------
/**
* Server Function: Return Signature for Method
*
* @access public
* @param mixed
* @return object
*/
function methodSignature($m)
{
$parameters = $m->output_parameters();
$method_name = $parameters[0];
if (isset($this->methods[$method_name]))
{
if ($this->methods[$method_name]['signature'])
{
$sigs = array();
$signature = $this->methods[$method_name]['signature'];
for ($i=0; $i < count($signature); $i++)
{
$cursig = array();
$inSig = $signature[$i];
for ($j=0; $j<count($inSig); $j++)
{
$cursig[]= new XML_RPC_Values($inSig[$j], 'string');
}
$sigs[]= new XML_RPC_Values($cursig, 'array');
}
$r = new XML_RPC_Response(new XML_RPC_Values($sigs, 'array'));
}
else
{
$r = new XML_RPC_Response(new XML_RPC_Values('undef', 'string'));
}
}
else
{
$r = new XML_RPC_Response(0,$this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']);
}
return $r;
}
// --------------------------------------------------------------------
/**
* Server Function: Doc String for Method
*
* @access public
* @param mixed
* @return object
*/
function methodHelp($m)
{
$parameters = $m->output_parameters();
$method_name = $parameters[0];
if (isset($this->methods[$method_name]))
{
$docstring = isset($this->methods[$method_name]['docstring']) ? $this->methods[$method_name]['docstring'] : '';
return new XML_RPC_Response(new XML_RPC_Values($docstring, 'string'));
}
else
{
return new XML_RPC_Response(0, $this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']);
}
}
// --------------------------------------------------------------------
/**
* Server Function: Multi-call
*
* @access public
* @param mixed
* @return object
*/
function multicall($m)
{
// Disabled
return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
$parameters = $m->output_parameters();
$calls = $parameters[0];
$result = array();
foreach ($calls as $value)
{
//$attempt = $this->_execute(new XML_RPC_Message($value[0], $value[1]));
$m = new XML_RPC_Message($value[0]);
$plist='';
for ($i=0; $i < count($value[1]); $i++)
{
$m->addParam(new XML_RPC_Values($value[1][$i], 'string'));
}
$attempt = $this->_execute($m);
if ($attempt->faultCode() != 0)
{
return $attempt;
}
$result[] = new XML_RPC_Values(array($attempt->value()), 'array');
}
return new XML_RPC_Response(new XML_RPC_Values($result, 'array'));
}
// --------------------------------------------------------------------
/**
* Multi-call Function: Error Handling
*
* @access public
* @param mixed
* @return object
*/
function multicall_error($err)
{
$str = is_string($err) ? $this->xmlrpcstr["multicall_${err}"] : $err->faultString();
$code = is_string($err) ? $this->xmlrpcerr["multicall_${err}"] : $err->faultCode();
$struct['faultCode'] = new XML_RPC_Values($code, 'int');
$struct['faultString'] = new XML_RPC_Values($str, 'string');
return new XML_RPC_Values($struct, 'struct');
}
// --------------------------------------------------------------------
/**
* Multi-call Function: Processes method
*
* @access public
* @param mixed
* @return object
*/
function do_multicall($call)
{
if ($call->kindOf() != 'struct')
{
return $this->multicall_error('notstruct');
}
elseif ( ! $methName = $call->me['struct']['methodName'])
{
return $this->multicall_error('nomethod');
}
list($scalar_type,$scalar_value)=each($methName->me);
$scalar_type = $scalar_type == $this->xmlrpcI4 ? $this->xmlrpcInt : $scalar_type;
if ($methName->kindOf() != 'scalar' OR $scalar_type != 'string')
{
return $this->multicall_error('notstring');
}
elseif ($scalar_value == 'system.multicall')
{
return $this->multicall_error('recursion');
}
elseif ( ! $params = $call->me['struct']['params'])
{
return $this->multicall_error('noparams');
}
elseif ($params->kindOf() != 'array')
{
return $this->multicall_error('notarray');
}
list($a,$b)=each($params->me);
$numParams = count($b);
$msg = new XML_RPC_Message($scalar_value);
for ($i = 0; $i < $numParams; $i++)
{
$msg->params[] = $params->me['array'][$i];
}
$result = $this->_execute($msg);
if ($result->faultCode() != 0)
{
return $this->multicall_error($result);
}
return new XML_RPC_Values(array($result->value()), 'array');
}
}
// END XML_RPC_Server class
/* End of file Xmlrpcs.php */
/* Location: ./system/libraries/Xmlrpcs.php */