Initial Import

1 files changed, 1409 insertions, 0 deletions

diff --git a/system/libraries/Xmlrpc.php b/system/libraries/Xmlrpc.php
new file mode 100644
index 000000000..9eeb46a15
--- /dev/null
+++ b/system/libraries/Xmlrpc.php
@@ -0,0 +1,1409 @@
+<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		Rick Ellis
+ * @copyright	Copyright (c) 2006, pMachine, Inc.
+ * @license		http://www.codeignitor.com/user_guide/license.html 
+ * @link		http://www.codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+ 
+if ( ! function_exists('xml_parser_create'))
+{	
+    show_error('Your PHP installation does not support XML');
+}
+
+/**
+ * XML-RPC request handler class
+ * 
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	XML-RPC
+ * @author		Paul Burdick
+ * @link		http://www.codeigniter.com/user_guide/libraries/xmlrpc.html
+ */
+class CI_XML_RPC {
+
+	var $debug			= FALSE; 	// Debugging on or off	
+	var $xmlrpcI4		= 'i4'; 
+	var $xmlrpcInt		= 'int';
+	var $xmlrpcBoolean	= 'boolean';
+	var $xmlrpcDouble	= 'double';	
+	var $xmlrpcString	= 'string';
+	var $xmlrpcDateTime	= 'dateTime.iso8601';
+	var $xmlrpcBase64	= 'base64';
+	var $xmlrpcArray	= 'array';
+	var $xmlrpcStruct	= 'struct';
+	
+	var $xmlrpcTypes	= array();
+	var $valid_parents	= array();
+	var $xmlrpcerr		= array();	// Response numbers
+	var $xmlrpcstr		= array();  // Response strings
+	
+	var $xmlrpc_defencoding = 'UTF-8';
+	var $xmlrpcName			= 'XML-RPC for CodeIgniter';
+	var $xmlrpcVersion		= '1.1';
+	var $xmlrpcerruser		= 800; // Start of user errors
+	var $xmlrpcerrxml		= 100; // Start of XML Parse errors
+	var $xmlrpc_backslash	= ''; // formulate backslashes for escaping regexp
+	
+	var $client;
+	var $method;
+	var $data;
+	var $message			= '';
+	var $error				= '';  		// Error string for request
+	var $result;
+	var $response			= array();  // Response from remote server
+
+
+	//-------------------------------------
+    //  VALUES THAT MULTIPLE CLASSES NEED
+    //-------------------------------------   
+
+	function CI_XML_RPC ($config = array()) 
+	{
+		
+		$this->xmlrpcName 		= $this->xmlrpcName;
+		$this->xmlrpc_backslash = chr(92).chr(92);
+		
+		// Types for info sent back and forth
+		$this->xmlrpcTypes = array(
+			$this->xmlrpcI4       => '1',
+			$this->xmlrpcInt      => '1',
+			$this->xmlrpcBoolean  => '1',
+			$this->xmlrpcString   => '1',
+			$this->xmlrpcDouble   => '1',
+			$this->xmlrpcDateTime => '1',
+			$this->xmlrpcBase64   => '1',
+			$this->xmlrpcArray    => '2',
+			$this->xmlrpcStruct   => '3'
+			);
+			
+		// Array of Valid Parents for Various XML-RPC elements
+		$this->valid_parents = array('BOOLEAN'			=> array('VALUE'),
+									 'I4'				=> array('VALUE'),
+									 'INT'				=> array('VALUE'),
+									 'STRING'			=> array('VALUE'),
+									 'DOUBLE'			=> array('VALUE'),
+									 'DATETIME.ISO8601'	=> array('VALUE'),
+									 'BASE64'			=> array('VALUE'),
+									 'ARRAY'			=> array('VALUE'),
+									 'STRUCT'			=> array('VALUE'),
+									 'PARAM'			=> array('PARAMS'),
+									 'METHODNAME'		=> array('METHODCALL'),
+									 'PARAMS'			=> array('METHODCALL', 'METHODRESPONSE'),
+									 'MEMBER'			=> array('STRUCT'),
+									 'NAME'				=> array('MEMBER'),
+									 'DATA'				=> array('ARRAY'),
+									 'FAULT'			=> array('METHODRESPONSE'),
+									 'VALUE'			=> array('MEMBER', 'DATA', 'PARAM', 'FAULT')
+									 );
+			
+			
+		// XML-RPC Responses
+		$this->xmlrpcerr['unknown_method'] = '1';
+		$this->xmlrpcstr['unknown_method'] = 'This is not a known method for this XML-RPC Server';
+		$this->xmlrpcerr['invalid_return'] = '2';
+		$this->xmlrpcstr['invalid_return'] = 'The XML data receieved was either invalid or not in the correct form for XML-RPC.  Turn on debugging to examine the XML data further.';
+		$this->xmlrpcerr['incorrect_params'] = '3';
+		$this->xmlrpcstr['incorrect_params'] = 'Incorrect parameters were passed to method';
+		$this->xmlrpcerr['introspect_unknown'] = '4';
+		$this->xmlrpcstr['introspect_unknown'] = "Cannot inspect signature for request: method unknown";
+		$this->xmlrpcerr['http_error'] = '5';
+		$this->xmlrpcstr['http_error'] = "Did not receive a '200 OK' response from remote server.";
+		$this->xmlrpcerr['no_data'] = '6';
+		$this->xmlrpcstr['no_data'] ='No data received from server.';
+		
+		$this->initialize($config);
+		
+		log_message('debug', "XML-RPC Class Initialized");
+	}
+	
+	
+	//-------------------------------------
+    //  Initialize Prefs
+    //-------------------------------------   
+
+	function initialize($config = array()) 
+	{
+		if (sizeof($config) > 0)
+		{
+			foreach ($config as $key => $val)
+			{
+				if (isset($this->$key))
+				{
+					$this->$key = $val;			
+				}
+			}
+		}
+	}
+	// END
+	
+	//-------------------------------------
+    //  Take URL and parse it
+    //-------------------------------------   
+
+	function server($url, $port=80) 
+	{
+		if (substr($url, 0, 4) != "http")
+		{
+			$url = "http://".$url;
+		}
+		
+		$parts = parse_url($url);
+		
+		$path = (!isset($parts['path'])) ? '/' : $parts['path'];
+		
+		if (isset($parts['query']) && $parts['query'] != '')
+		{
+			$path .= '?'.$parts['query'];
+		}	
+		
+		$this->client = new XML_RPC_Client($path, $parts['host'], $port);
+	}
+	// END
+	
+	//-------------------------------------
+	//  Set Timeout
+	//-------------------------------------   
+
+	function timeout($seconds=5) 
+	{
+		if ( ! is_null($this->client) && is_int($seconds))
+		{
+			$this->client->timeout = $seconds;
+		}
+	}
+	// END
+	
+	//-------------------------------------
+	//  Set Methods
+	//-------------------------------------   
+
+	function method($function) 
+	{
+		$this->method = $function;
+	}
+	// END
+	
+	//-------------------------------------
+	//  Take Array of Data and Create Objects
+	//-------------------------------------   
+
+	function request($incoming) 
+	{
+		if ( ! is_array($incoming))
+		{
+			// Send Error
+		}
+		
+		foreach($incoming as $key => $value)
+		{
+			$this->data[$key] = $this->values_parsing($value);
+		}
+	}
+	// END
+	
+	
+	//-------------------------------------
+	//  Set Debug
+	//-------------------------------------   
+
+	function set_debug($flag = TRUE)
+	{
+		$this->debug = ($flag == TRUE) ? TRUE : FALSE;
+	}
+	
+	//-------------------------------------
+	//  Values Parsing
+	//-------------------------------------   
+
+	function values_parsing($value, $return = FALSE)
+	{
+		if (is_array($value) && isset($value['0']))
+		{
+			if ( ! isset($value['1']) OR ! isset($this->xmlrpcTypes[strtolower($value['1'])]))
+			{
+				$temp = new XML_RPC_Values($value['0'], 'string');
+			}
+			elseif(is_array($value['0']) && ($value['1'] == 'struct' OR $value['1'] == 'array'))
+			{
+				while (list($k) = each($value['0']))
+				{
+					$value['0'][$k] = $this->values_parsing($value['0'][$k], TRUE);
+				}
+				
+				$temp = new XML_RPC_Values($value['0'], $value['1']);
+			}
+			else
+			{
+				$temp = new XML_RPC_Values($value['0'], $value['1']);
+			}
+		}
+		else
+		{
+			$temp = new XML_RPC_Values($value, 'string');
+		}
+
+		return $temp;
+	}
+	// END
+
+
+	//-------------------------------------
+	//  Sends XML-RPC Request
+	//-------------------------------------   
+
+	function send_request() 
+	{
+		$this->message = new XML_RPC_Message($this->method,$this->data);
+		$this->message->debug = $this->debug;
+	
+		if ( ! $this->result = $this->client->send($this->message))
+		{
+			$this->error = $this->result->errstr;
+			return FALSE;
+		}
+		elseif( ! is_object($this->result->val))
+		{
+			$this->error = $this->result->errstr;
+			return FALSE;
+		}
+		
+		$this->response = $this->result->decode();
+		
+		return TRUE;
+	}
+	// END
+	
+	//-------------------------------------
+	//  Returns Error
+	//-------------------------------------   
+
+	function display_error() 
+	{
+		return $this->error;
+	}
+	// END
+	
+	//-------------------------------------
+	//  Returns Remote Server Response
+	//-------------------------------------   
+
+	function display_response() 
+	{
+		return $this->response;
+	}
+	// END
+	
+	//-------------------------------------
+	//  Sends an Error Message for Server Request
+	//-------------------------------------   
+	
+	function send_error_message($number, $message)
+	{
+		return new XML_RPC_Response('0',$number, $message);
+	}
+	// END
+	
+	
+	//-------------------------------------
+	//  Send Response for Server Request
+	//-------------------------------------   
+	
+	function send_response($response)
+	{
+		// $response should be array of values, which will be parsed
+		// based on their data and type into a valid group of XML-RPC values
+		
+		$response = $this->values_parsing($response);
+	
+		return new XML_RPC_Response($response);
+	}
+	// END
+	
+} // END XML_RPC Class
+
+	
+	
+/**
+ * XML-RPC Client class
+ * 
+ * @category	XML-RPC
+ * @author		Paul Burdick
+ * @link		http://www.codeigniter.com/user_guide/libraries/xmlrpc.html
+ */
+class XML_RPC_Client extends CI_XML_RPC
+{
+	var $path			= '';
+	var $server			= '';
+	var $port			= 80;
+	var $errno			= '';
+	var $errstring		= '';
+	var $timeout		= 5;
+	var $no_multicall	= false;
+
+	function XML_RPC_Client($path, $server, $port=80)
+	{
+		parent::CI_XML_RPC();
+		
+		$this->port = $port; 
+		$this->server = $server; 
+		$this->path = $path;
+	}
+	
+	function send($msg)
+	{
+		if (is_array($msg))
+		{
+			// Multi-call disabled
+			$r = new XML_RPC_Response(0, $this->xmlrpcerr['multicall_recursion'],$this->xmlrpcstr['multicall_recursion']);
+			return $r;
+		}
+
+		return $this->sendPayload($msg);
+	}
+
+	function sendPayload($msg)
+	{	
+		$fp = @fsockopen($this->server, $this->port,$this->errno, $this->errstr, $this->timeout);
+		
+		if (! is_resource($fp))
+		{
+			error_log($this->xmlrpcstr['http_error']);
+			$r = new XML_RPC_Response(0, $this->xmlrpcerr['http_error'],$this->xmlrpcstr['http_error']);
+			return $r;
+		}
+		
+		if(empty($msg->payload))
+		{
+			// $msg = XML_RPC_Messages
+			$msg->createPayload();
+		}
+		
+		$r = "\r\n";
+		$op  = "POST {$this->path} HTTP/1.0$r";
+		$op .= "Host: {$this->server}$r";
+		$op .= "Content-Type: text/xml$r";
+		$op .= "User-Agent: {$this->xmlrpcName}$r";
+		$op .= "Content-Length: ".strlen($msg->payload). "$r$r";
+		$op .= $msg->payload;
+		
+
+		if (!fputs($fp, $op, strlen($op)))
+		{
+			error_log($this->xmlrpcstr['http_error']);
+			$r = new XML_RPC_Response(0, $this->xmlrpcerr['http_error'], $this->xmlrpcstr['http_error']);
+			return $r;
+		}
+		$resp = $msg->parseResponse($fp);
+		fclose($fp);
+		return $resp;
+	}
+
+} // end class XML_RPC_Client
+
+
+/**
+ * XML-RPC Response class
+ * 
+ * @category	XML-RPC
+ * @author		Paul Burdick
+ * @link		http://www.codeigniter.com/user_guide/libraries/xmlrpc.html
+ */
+class XML_RPC_Response
+{
+	var $val = 0;
+	var $errno = 0;
+	var $errstr = '';
+	var $headers = array();
+
+	function XML_RPC_Response($val, $code = 0, $fstr = '')
+	{	
+		if ($code != 0)
+		{
+			// error
+			$this->errno = $code;
+			$this->errstr = htmlentities($fstr); 
+		}
+		else if (!is_object($val))
+		{
+			// programmer error, not an object
+			error_log("Invalid type '" . gettype($val) . "' (value: $val) passed to XML_RPC_Response.  Defaulting to empty value.");
+			$this->val = new XML_RPC_Values();
+		}
+		else
+		{
+			$this->val = $val;
+		}
+	}
+
+	function faultCode()
+	{
+		return $this->errno;
+	}
+
+	function faultString()
+	{
+		return $this->errstr;
+	}
+
+	function value()
+	{
+		return $this->val;
+	}
+	
+	function prepare_response()
+	{
+		$result = "<methodResponse>\n";
+		if ($this->errno)
+		{
+			$result .= '<fault>
+	<value>
+		<struct>
+			<member>
+				<name>faultCode</name>
+				<value><int>' . $this->errno . '</int></value>
+			</member>
+			<member>
+				<name>faultString</name>
+				<value><string>' . $this->errstr . '</string></value>
+			</member>
+		</struct>
+	</value>
+</fault>';
+		}
+		else
+		{
+			$result .= "<params>\n<param>\n" .
+					$this->val->serialize_class() . 
+					"</param>\n</params>";
+		}
+		$result .= "\n</methodResponse>";
+		return $result;
+	}
+	
+	function decode($array=FALSE)
+	{
+		$obj =& get_instance();	
+
+		if ($array !== FALSE && is_array($array))
+		{
+			while (list($key) = each($array))
+			{
+				if (is_array($array[$key]))
+				{
+					$array[$key] = $this->decode($array[$key]);
+				}
+				else
+				{
+					$array[$key] = $obj->input->xss_clean($array[$key]);
+				}
+			}
+			
+			$result = $array;
+		}
+		else
+		{
+			$result = $this->xmlrpc_decoder($this->val);
+			
+			if (is_array($result))
+			{
+				$result = $this->decode($result);
+			}
+			else
+			{
+				$result = $obj->input->xss_clean($result);
+			}
+		}
+		
+		return $result;
+	}
+
+	
+	
+	//-------------------------------------
+	//  XML-RPC Object to PHP Types
+	//------------------------------------- 
+
+	function xmlrpc_decoder($xmlrpc_val)
+	{
+		$kind = $xmlrpc_val->kindOf();
+
+		if($kind == 'scalar')
+		{
+			return $xmlrpc_val->scalarval();
+		}
+		elseif($kind == 'array')
+		{
+			reset($xmlrpc_val->me);
+			list($a,$b) = each($xmlrpc_val->me);
+			$size = sizeof($b);
+			
+			$arr = array();
+
+			for($i = 0; $i < $size; $i++)
+			{
+				$arr[] = $this->xmlrpc_decoder($xmlrpc_val->me['array'][$i]);
+			}
+			return $arr; 
+		}
+		elseif($kind == 'struct')
+		{
+			reset($xmlrpc_val->me['struct']);
+			$arr = array();
+
+			while(list($key,$value) = each($xmlrpc_val->me['struct']))
+			{
+				$arr[$key] = $this->xmlrpc_decoder($value);
+			}
+			return $arr;
+		}
+	}
+	
+	
+	//-------------------------------------
+	//  ISO-8601 time to server or UTC time
+	//------------------------------------- 
+
+	function iso8601_decode($time, $utc=0)
+	{
+		// return a timet in the localtime, or UTC
+		$t = 0;
+		if (ereg("([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})", $time, $regs))
+		{
+			if ($utc == 1)
+				$t = gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
+			else
+				$t = mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
+		} 
+		return $t;
+	}
+	
+} // End Response Class
+
+
+
+/**
+ * XML-RPC Message class
+ * 
+ * @category	XML-RPC
+ * @author		Paul Burdick
+ * @link		http://www.codeigniter.com/user_guide/libraries/xmlrpc.html
+ */
+class XML_RPC_Message extends CI_XML_RPC
+{
+	var $payload;
+	var $method_name;
+	var $params			= array();
+	var $xh 			= array();
+
+	function XML_RPC_Message($method, $pars=0)
+	{
+		parent::CI_XML_RPC();
+		
+		$this->method_name = $method;
+		if (is_array($pars) && sizeof($pars) > 0)
+		{
+			for($i=0; $i<sizeof($pars); $i++)
+			{
+				// $pars[$i] = XML_RPC_Values
+				$this->params[] = $pars[$i];
+			}
+		}
+	}
+	
+	//-------------------------------------
+	//  Create Payload to Send
+	//-------------------------------------   
+	
+	function createPayload()
+	{
+		$this->payload = "<?xml version=\"1.0\"?".">\r\n<methodCall>\r\n";
+		$this->payload .= '<methodName>' . $this->method_name . "</methodName>\r\n";
+		$this->payload .= "<params>\r\n";
+		
+		for($i=0; $i<sizeof($this->params); $i++)
+		{
+			// $p = XML_RPC_Values
+			$p = $this->params[$i];
+			$this->payload .= "<param>\r\n".$p->serialize_class()."</param>\r\n";
+		}
+		
+		$this->payload .= "</params>\r\n</methodCall>\r\n";
+	}
+	
+	//-------------------------------------
+	//  Parse External XML-RPC Server's Response
+	//-------------------------------------   
+	
+	function parseResponse($fp)
+	{
+		$data = '';
+		
+		while($datum = fread($fp, 4096))
+		{
+			$data .= $datum;
+		}
+		
+		//-------------------------------------
+		//  DISPLAY HTTP CONTENT for DEBUGGING
+		//-------------------------------------
+		
+		if ($this->debug === TRUE)
+		{
+			echo "<pre>";
+			echo "---DATA---\n" . htmlspecialchars($data) . "\n---END DATA---\n\n";
+			echo "</pre>";
+		}
+		
+		//-------------------------------------
+		//  Check for data
+		//-------------------------------------   
+
+		if($data == "")
+		{
+			error_log($this->xmlrpcstr['no_data']);
+			$r = new XML_RPC_Response(0, $this->xmlrpcerr['no_data'], $this->xmlrpcstr['no_data']);
+			return $r;
+		}
+		
+		
+		//-------------------------------------
+		//  Check for HTTP 200 Response
+		//-------------------------------------  
+		
+		if(ereg("^HTTP",$data) && !ereg("^HTTP/[0-9\.]+ 200 ", $data))
+		{
+			$errstr= substr($data, 0, strpos($data, "\n")-1);
+			$r = new XML_RPC_Response(0, $this->xmlrpcerr['http_error'], $this->xmlrpcstr['http_error']. ' (' . $errstr . ')');
+			return $r;
+		}
+		
+		//-------------------------------------
+		//  Create and Set Up XML Parser
+		//------------------------------------- 
+	
+		$parser = xml_parser_create($this->xmlrpc_defencoding);
+
+		$this->xh[$parser]				 = array();
+		$this->xh[$parser]['isf']		 = 0;
+		$this->xh[$parser]['ac']		 = '';
+		$this->xh[$parser]['headers'] 	 = array();
+		$this->xh[$parser]['stack']		 = array();
+		$this->xh[$parser]['valuestack'] = array();
+		$this->xh[$parser]['isf_reason'] = 0;
+
+		xml_set_object($parser, $this);
+		xml_parser_set_option($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');
+
+
+		//-------------------------------------
+		//  GET HEADERS
+		//-------------------------------------  
+		
+		$lines = explode("\r\n", $data);
+		while (($line = array_shift($lines)))
+		{
+			if (strlen($line) < 1)
+			{
+				break;
+			}
+			$this->xh[$parser]['headers'][] = $line;
+		}
+		$data = implode("\r\n", $lines);
+		
+		
+		//-------------------------------------
+		//  PARSE XML DATA
+		//-------------------------------------  	
+
+		if (!xml_parse($parser, $data, sizeof($data)))
+		{
+			$errstr = sprintf('XML error: %s at line %d',
+					xml_error_string(xml_get_error_code($parser)),
+					xml_get_current_line_number($parser));
+			//error_log($errstr);
+			$r = new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'], $this->xmlrpcstr['invalid_return']);
+			xml_parser_free($parser);
+			return $r;
+		}
+		xml_parser_free($parser);
+		
+		// ---------------------------------------
+		//  Got Ourselves Some Badness, It Seems
+		// ---------------------------------------
+		
+		if ($this->xh[$parser]['isf'] > 1)
+		{
+			if ($this->debug === TRUE)
+			{
+				echo "---Invalid Return---\n";
+				echo $this->xh[$parser]['isf_reason'];
+				echo "---Invalid Return---\n\n";
+			}
+				
+			$r = new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'],$this->xmlrpcstr['invalid_return'].' '.$this->xh[$parser]['isf_reason']);
+			return $r;
+		}
+		elseif ( ! is_object($this->xh[$parser]['value']))
+		{
+			$r = new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'],$this->xmlrpcstr['invalid_return'].' '.$this->xh[$parser]['isf_reason']);
+			return $r;
+		}
+		
+		//-------------------------------------
+		//  DISPLAY XML CONTENT for DEBUGGING
+		//-------------------------------------  	
+		
+		if ($this->debug === TRUE)
+		{
+			echo "<pre>";
+			
+			if (count($this->xh[$parser]['headers'] > 0))
+			{
+				echo "---HEADERS---\n";
+				foreach ($this->xh[$parser]['headers'] as $header)
+				{
+					echo "$header\n";
+				}
+				echo "---END HEADERS---\n\n";
+			}
+			
+			echo "---DATA---\n" . htmlspecialchars($data) . "\n---END DATA---\n\n";
+			
+			echo "---PARSED---\n" ;
+			var_dump($this->xh[$parser]['value']);
+			echo "\n---END PARSED---</pre>";
+		}
+		
+		//-------------------------------------
+		//  SEND RESPONSE
+		//-------------------------------------  
+		
+		$v = $this->xh[$parser]['value'];
+			
+		if ($this->xh[$parser]['isf'])
+		{
+			$errno_v = $v->me['struct']['faultCode'];
+			$errstr_v = $v->me['struct']['faultString'];
+			$errno = $errno_v->scalarval();
+
+			if ($errno == 0)
+			{
+				// FAULT returned, errno needs to reflect that
+				$errno = -1;
+			}
+
+			$r = new XML_RPC_Response($v, $errno, $errstr_v->scalarval());
+		}
+		else
+		{
+			$r = new XML_RPC_Response($v);
+		}
+
+		$r->headers = $this->xh[$parser]['headers'];
+		return $r;
+	}
+	
+	// ------------------------------------
+	//  Begin Return Message Parsing section
+	// ------------------------------------
+	
+	// quick explanation of components:
+	//   ac - used to accumulate values
+	//   isf - used to indicate a fault
+	//   lv - used to indicate "looking for a value": implements
+	//        the logic to allow values with no types to be strings
+	//   params - used to store parameters in method calls
+	//   method - used to store method name
+	//	 stack - array with parent tree of the xml element,
+	//			 used to validate the nesting of elements
+
+	//-------------------------------------
+	//  Start Element Handler
+	//------------------------------------- 
+
+	function open_tag($the_parser, $name, $attrs)
+	{
+		// If invalid nesting, then return
+		if ($this->xh[$the_parser]['isf'] > 1) return;
+		
+		// Evaluate and check for correct nesting of XML elements
+		
+		if (count($this->xh[$the_parser]['stack']) == 0)
+		{
+			if ($name != 'METHODRESPONSE' && $name != 'METHODCALL')
+			{
+				$this->xh[$the_parser]['isf'] = 2;
+				$this->xh[$the_parser]['isf_reason'] = 'Top level XML-RPC element is missing';
+				return;
+			}
+		}
+		else
+		{
+			// not top level element: see if parent is OK
+			if (!in_array($this->xh[$the_parser]['stack'][0], $this->valid_parents[$name]))
+			{
+				$this->xh[$the_parser]['isf'] = 2;
+				$this->xh[$the_parser]['isf_reason'] = "XML-RPC element $name cannot be child of ".$this->xh[$the_parser]['stack'][0];
+				return;
+			}
+		}
+		
+		switch($name)
+		{
+			case 'STRUCT':
+			case 'ARRAY':
+				// Creates array for child elements
+				
+				$cur_val = array('value' => array(),
+								 'type'	 => $name);
+								 
+				array_unshift($this->xh[$the_parser]['valuestack'], $cur_val);
+			break;
+			case 'METHODNAME':
+			case 'NAME':
+				$this->xh[$the_parser]['ac'] = '';
+			break;
+			case 'FAULT':
+				$this->xh[$the_parser]['isf'] = 1;
+			break;
+			case 'PARAM':
+				$this->xh[$the_parser]['value'] = null;
+			break;
+			case 'VALUE':
+				$this->xh[$the_parser]['vt'] = 'value';
+				$this->xh[$the_parser]['ac'] = '';
+				$this->xh[$the_parser]['lv'] = 1;
+			break;
+			case 'I4':
+			case 'INT':
+			case 'STRING':
+			case 'BOOLEAN':
+			case 'DOUBLE':
+			case 'DATETIME.ISO8601':
+			case 'BASE64':
+				if ($this->xh[$the_parser]['vt'] != 'value')
+				{
+					//two data elements inside a value: an error occurred!
+					$this->xh[$the_parser]['isf'] = 2;
+					$this->xh[$the_parser]['isf_reason'] = "'Twas a $name element following a ".$this->xh[$the_parser]['vt']." element inside a single value";
+					return;
+				}
+				
+				$this->xh[$the_parser]['ac'] = '';
+			break;
+			case 'MEMBER':
+				// Set name of <member> to nothing to prevent errors later if no <name> is found
+				$this->xh[$the_parser]['valuestack'][0]['name'] = '';
+				
+				// Set NULL value to check to see if value passed for this param/member
+				$this->xh[$the_parser]['value'] = null;
+			break;
+			case 'DATA':
+			case 'METHODCALL':
+			case 'METHODRESPONSE':
+			case 'PARAMS':
+				// valid elements that add little to processing
+			break;
+			default:
+				/// An Invalid Element is Found, so we have trouble
+				$this->xh[$the_parser]['isf'] = 2;
+				$this->xh[$the_parser]['isf_reason'] = "Invalid XML-RPC element found: $name";
+			break;
+		}
+		
+		// Add current element name to stack, to allow validation of nesting
+		array_unshift($this->xh[$the_parser]['stack'], $name);
+
+		if ($name != 'VALUE') $this->xh[$the_parser]['lv'] = 0;
+	}
+	// END
+
+
+	//-------------------------------------
+	//  End Element Handler
+	//------------------------------------- 
+
+	function closing_tag($the_parser, $name)
+	{
+		if ($this->xh[$the_parser]['isf'] > 1) return;
+		
+		// Remove current element from stack and set variable
+		// NOTE: If the XML validates, then we do not have to worry about
+		// the opening and closing of elements.  Nesting is checked on the opening
+		// tag so we be safe there as well.
+		
+		$curr_elem = array_shift($this->xh[$the_parser]['stack']);
+	
+		switch($name)
+		{
+			case 'STRUCT':
+			case 'ARRAY':
+				$cur_val = array_shift($this->xh[$the_parser]['valuestack']);
+				$this->xh[$the_parser]['value'] = ( ! isset($cur_val['values'])) ? array() : $cur_val['values'];
+				$this->xh[$the_parser]['vt']	= strtolower($name);
+			break;
+			case 'NAME':
+				$this->xh[$the_parser]['valuestack'][0]['name'] = $this->xh[$the_parser]['ac'];
+			break;
+			case 'BOOLEAN':
+			case 'I4':
+			case 'INT':
+			case 'STRING':
+			case 'DOUBLE':
+			case 'DATETIME.ISO8601':
+			case 'BASE64':
+				$this->xh[$the_parser]['vt'] = strtolower($name);
+				
+				if ($name == 'STRING')
+				{
+					$this->xh[$the_parser]['value'] = $this->xh[$the_parser]['ac'];
+				}
+				elseif ($name=='DATETIME.ISO8601')
+				{
+					$this->xh[$the_parser]['vt']    = $this->xmlrpcDateTime;
+					$this->xh[$the_parser]['value'] = $this->xh[$the_parser]['ac'];
+				}
+				elseif ($name=='BASE64')
+				{
+					$this->xh[$the_parser]['value'] = base64_decode($this->xh[$the_parser]['ac']);
+				}
+				elseif ($name=='BOOLEAN')
+				{
+					// Translated BOOLEAN values to TRUE AND FALSE
+					if ($this->xh[$the_parser]['ac'] == '1')
+					{
+						$this->xh[$the_parser]['value'] = TRUE;
+					}
+					else
+					{
+						$this->xh[$the_parser]['value'] = FALSE;
+					}
+				}
+				elseif ($name=='DOUBLE')
+				{
+					// we have a DOUBLE
+					// we must check that only 0123456789-.<space> are characters here
+					if (!ereg("^[+-]?[eE0123456789 \\t\\.]+$", $this->xh[$the_parser]['ac']))
+					{
+						$this->xh[$the_parser]['value'] = 'ERROR_NON_NUMERIC_FOUND';
+					}
+					else
+					{
+						$this->xh[$the_parser]['value'] = (double)$this->xh[$the_parser]['ac'];
+					}
+				}
+				else
+				{
+					// we have an I4/INT
+					// we must check that only 0123456789-<space> are characters here
+					if (!ereg("^[+-]?[0123456789 \\t]+$", $this->xh[$the_parser]['ac']))
+					{
+						$this->xh[$the_parser]['value'] = 'ERROR_NON_NUMERIC_FOUND';
+					}
+					else
+					{
+						$this->xh[$the_parser]['value'] = (int)$this->xh[$the_parser]['ac'];
+					}
+				}
+				$this->xh[$the_parser]['ac'] = '';
+				$this->xh[$the_parser]['lv'] = 3; // indicate we've found a value
+			break;
+			case 'VALUE':
+				// This if() detects if no scalar was inside <VALUE></VALUE>
+				if ($this->xh[$the_parser]['vt']=='value')
+				{
+					$this->xh[$the_parser]['value']	= $this->xh[$the_parser]['ac'];
+					$this->xh[$the_parser]['vt']	= $this->xmlrpcString;
+				}
+				
+				// build the XML-RPC value out of the data received, and substitute it
+				$temp = new XML_RPC_Values($this->xh[$the_parser]['value'], $this->xh[$the_parser]['vt']);
+				
+				if (count($this->xh[$the_parser]['valuestack']) && $this->xh[$the_parser]['valuestack'][0]['type'] == 'ARRAY')
+				{
+					// Array
+					$this->xh[$the_parser]['valuestack'][0]['values'][] = $temp;
+				}
+				else
+				{
+					// Struct
+	    			$this->xh[$the_parser]['value'] = $temp;
+				}
+			break;
+			case 'MEMBER':
+				$this->xh[$the_parser]['ac']='';
+				
+				// If value add to array in the stack for the last element built
+				if ($this->xh[$the_parser]['value'])
+				{
+					$this->xh[$the_parser]['valuestack'][0]['values'][$this->xh[$the_parser]['valuestack'][0]['name']] = $this->xh[$the_parser]['value'];
+				}
+			break;
+			case 'DATA':
+				$this->xh[$the_parser]['ac']='';
+			break;
+			case 'PARAM':
+				if ($this->xh[$the_parser]['value'])
+				{
+					$this->xh[$the_parser]['params'][] = $this->xh[$the_parser]['value'];
+				}
+			break;
+			case 'METHODNAME':
+				$this->xh[$the_parser]['method'] = ereg_replace("^[\n\r\t ]+", '', $this->xh[$the_parser]['ac']);
+			break;
+			case 'PARAMS':
+			case 'FAULT':
+			case 'METHODCALL':
+			case 'METHORESPONSE':
+				// We're all good kids with nuthin' to do
+			break;
+			default:
+				// End of an Invalid Element.  Taken care of during the opening tag though
+			break;
+		}
+	}
+
+	//-------------------------------------
+	//  Parses Character Data
+	//------------------------------------- 
+
+	function character_data($the_parser, $data)
+	{
+		if ($this->xh[$the_parser]['isf'] > 1) return; // XML Fault found already
+		
+		// If a value has not been found
+		if ($this->xh[$the_parser]['lv'] != 3)
+		{
+			if ($this->xh[$the_parser]['lv'] == 1)
+			{
+				$this->xh[$the_parser]['lv'] = 2; // Found a value
+			}
+				
+			if( ! @isset($this->xh[$the_parser]['ac']))
+			{
+				$this->xh[$the_parser]['ac'] = '';
+			}
+				
+			$this->xh[$the_parser]['ac'] .= $data;
+		}
+	}
+	
+	
+	function addParam($par) { $this->params[]=$par; }
+	
+	function output_parameters($array=FALSE)
+	{
+		$obj =& get_instance();	
+
+		if ($array !== FALSE && is_array($array))
+		{
+			while (list($key) = each($array))
+			{
+				if (is_array($array[$key]))
+				{
+					$array[$key] = $this->output_parameters($array[$key]);
+				}
+				else
+				{
+					$array[$key] = $obj->input->xss_clean($array[$key]);
+				}
+			}
+			
+			$parameters = $array;
+		}
+		else
+		{
+			$parameters = array();
+		
+			for ($i = 0; $i < sizeof($this->params); $i++)
+    		{
+    			$a_param = $this->decode_message($this->params[$i]);
+    			
+    			if (is_array($a_param))
+    			{
+    				$parameters[] = $this->output_parameters($a_param);
+    			}
+    			else
+    			{
+    				$parameters[] = $obj->input->xss_clean($a_param);
+    			}
+    		}	
+    	}
+    	
+    	return $parameters;
+	}
+	
+	
+	function decode_message($param)
+	{
+		$kind = $param->kindOf();
+
+		if($kind == 'scalar')
+		{
+			return $param->scalarval();
+		}
+		elseif($kind == 'array')
+		{
+			reset($param->me);
+			list($a,$b) = each($param->me);
+			
+			$arr = array();
+
+			for($i = 0; $i < sizeof($b); $i++)
+			{
+				$arr[] = $this->decode_message($param->me['array'][$i]);
+			}
+			
+			return $arr; 
+		}
+		elseif($kind == 'struct')
+		{
+			reset($param->me['struct']);
+			
+			$arr = array();
+
+			while(list($key,$value) = each($param->me['struct']))
+			{
+				$arr[$key] = $this->decode_message($value);
+			}
+			
+			return $arr;
+		}
+	}
+	
+} // End XML_RPC_Messages class
+
+
+
+/**
+ * XML-RPC Values class
+ * 
+ * @category	XML-RPC
+ * @author		Paul Burdick
+ * @link		http://www.codeigniter.com/user_guide/libraries/xmlrpc.html
+ */
+class XML_RPC_Values extends CI_XML_RPC
+{
+	var $me 	= array();
+	var $mytype	= 0;
+
+	function XML_RPC_Values($val=-1, $type='')
+	{	
+		parent::CI_XML_RPC();
+		
+		if ($val != -1 || $type != '')
+		{
+			$type = $type == '' ? 'string' : $type;
+			
+			if ($this->xmlrpcTypes[$type] == 1)
+			{
+				$this->addScalar($val,$type);
+			}
+			elseif ($this->xmlrpcTypes[$type] == 2)
+			{
+				$this->addArray($val);
+			}
+			elseif ($this->xmlrpcTypes[$type] == 3)
+			{
+				$this->addStruct($val);
+			}
+		}
+	}
+
+	function addScalar($val, $type='string')
+	{
+		$typeof = $this->xmlrpcTypes[$type];
+		
+		if ($this->mytype==1)
+		{
+			echo '<strong>XML_RPC_Values</strong>: scalar can have only one value<br />';
+			return 0;
+		}
+		
+		if ($typeof != 1)
+		{
+			echo '<strong>XML_RPC_Values</strong>: not a scalar type (${typeof})<br />';
+			return 0;
+		}
+
+		if ($type == $this->xmlrpcBoolean)
+		{
+			if (strcasecmp($val,'true')==0 || $val==1 || ($val==true && strcasecmp($val,'false')))
+			{
+				$val = 1;
+			}
+			else
+			{
+				$val=0;
+			}
+		}
+
+		if ($this->mytype == 2)
+		{
+			// adding to an array here
+			$ar = $this->me['array'];
+			$ar[] = new XML_RPC_Values($val, $type);
+			$this->me['array'] = $ar;
+		}
+		else
+		{
+			// a scalar, so set the value and remember we're scalar
+			$this->me[$type] = $val;
+			$this->mytype = $typeof;
+		}
+		return 1;
+	}
+
+	function addArray($vals)
+	{
+		if ($this->mytype != 0)
+		{
+			echo '<strong>XML_RPC_Values</strong>: already initialized as a [' . $this->kindOf() . ']<br />';
+			return 0;
+		}
+
+		$this->mytype = $this->xmlrpcTypes['array'];
+		$this->me['array'] = $vals;
+		return 1;
+	}
+
+	function addStruct($vals)
+	{
+		if ($this->mytype != 0)
+		{
+			echo '<strong>XML_RPC_Values</strong>: already initialized as a [' . $this->kindOf() . ']<br />';
+			return 0;
+		}
+		$this->mytype = $this->xmlrpcTypes['struct'];
+		$this->me['struct'] = $vals;
+		return 1;
+	}
+
+	function kindOf()
+	{
+		switch($this->mytype)
+		{
+			case 3:
+				return 'struct';
+				break;
+			case 2:
+				return 'array';
+				break;
+			case 1:
+				return 'scalar';
+				break;
+			default:
+				return 'undef';
+		}
+	}
+
+	function serializedata($typ, $val)
+	{
+		$rs = '';
+		
+		switch($this->xmlrpcTypes[$typ])
+		{
+			case 3:
+				// struct
+				$rs .= "<struct>\n";
+				reset($val);
+				while(list($key2, $val2) = each($val))
+				{
+					$rs .= "<member>\n<name>{$key2}</name>\n";
+					$rs .= $this->serializeval($val2);
+					$rs .= "</member>\n";
+				}
+				$rs .= '</struct>';
+			break;
+			case 2:
+				// array
+				$rs .= "<array>\n<data>\n";
+				for($i=0; $i < sizeof($val); $i++)
+				{
+					$rs .= $this->serializeval($val[$i]);
+				}
+				$rs.="</data>\n</array>\n";
+				break;
+			case 1:
+				// others
+				switch ($typ)
+				{
+					case $this->xmlrpcBase64:
+						$rs .= "<{$typ}>" . base64_encode($val) . "</{$typ}>\n";
+					break;
+					case $this->xmlrpcBoolean:
+						$rs .= "<{$typ}>" . ($val ? '1' : '0') . "</{$typ}>\n";
+					break;
+					case $this->xmlrpcString:
+						$rs .= "<{$typ}>" . htmlspecialchars($val). "</{$typ}>\n";
+					break;
+					default:
+						$rs .= "<{$typ}>{$val}</{$typ}>\n";
+					break;
+				}
+			default:
+			break;
+		}
+		return $rs;
+	}
+
+	function serialize_class()
+	{
+		return $this->serializeval($this);
+	}
+
+	function serializeval($o)
+	{
+		
+		$ar = $o->me;
+		reset($ar);
+		
+		list($typ, $val) = each($ar);
+		$rs = "<value>\n".$this->serializedata($typ, $val)."</value>\n";
+		return $rs;
+	}
+	
+	function scalarval()
+	{
+		reset($this->me);
+		list($a,$b) = each($this->me);
+		return $b;
+	}
+
+
+	//-------------------------------------
+	// Encode time in ISO-8601 form.
+	//------------------------------------- 
+	
+	// Useful for sending time in XML-RPC
+
+	function iso8601_encode($time, $utc=0)
+	{	
+		if ($utc == 1)
+		{
+			$t = strftime("%Y%m%dT%H:%M:%S", $time);
+		}
+		else
+		{
+			if (function_exists('gmstrftime'))
+				$t = gmstrftime("%Y%m%dT%H:%M:%S", $time);
+			else
+				$t = strftime("%Y%m%dT%H:%M:%S", $time - date('Z'));
+		}
+		return $t;
+	}
+	
+}
+// END XML_RPC_Values Class
+?>
\ No newline at end of file