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Codeigniter-XMLRPC-HTTPS/Xmlrpc.php

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2010, 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');
}
// ------------------------------------------------------------------------
/**
* XML-RPC request handler class
*
* @package CodeIgniter
* @subpackage Libraries
* @category XML-RPC
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class CI_Xmlrpc {
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 $response = array(); // Response from remote server
//-------------------------------------
// VALUES THAT MULTIPLE CLASSES NEED
//-------------------------------------
function CI_Xmlrpc ($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($config = array())
{
if (count($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
}
$this->data = array();
foreach($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($this->xmlrpcTypes[$value['1']])))
{
if (is_array($value[0]))
{
$temp = new XML_RPC_Values($value['0'], 'array');
}
else
{
$temp = new XML_RPC_Values($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 ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Client extends CI_Xmlrpc
{
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_Xmlrpc();
$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->port == 443 ? "ssl://" : "").$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 ExpressionEngine Dev Team
* @link http://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)
{
$CI =& get_instance();
if ($array !== FALSE && is_array($array))
{
while (list($key) = each($array))
{
if (is_array($array[$key]))
{
$array[$key] = $this->decode($array[$key]);
}
else
{
$array[$key] = $CI->input->xss_clean($array[$key]);
}
}
$result = $array;
}
else
{
$result = $this->xmlrpc_decoder($this->val);
if (is_array($result))
{
$result = $this->decode($result);
}
else
{
$result = $CI->input->xss_clean($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);
$size = count($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 (preg_match('/([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 ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Message extends CI_Xmlrpc
{
var $payload;
var $method_name;
var $params = array();
var $xh = array();
function XML_RPC_Message($method, $pars=0)
{
parent::CI_Xmlrpc();
$this->method_name = $method;
if (is_array($pars) && count($pars) > 0)
{
for($i=0; $i<count($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; $i<count($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 $r;
}
//-------------------------------------
// Check for HTTP 200 Response
//-------------------------------------
if (strncmp($data, 'HTTP', 4) == 0 && ! preg_match('/^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, $data, count($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], TRUE))
{
$this->xh[$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 ($name=='DOUBLE')
{
// we have a DOUBLE
// we must check that only 0123456789-.<space> are characters here
if ( ! preg_match('/^[+-]?[eE0-9\t \.]+$/', $this->xh[$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 ( ! preg_match('/^[+-]?[0-9\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'] = ltrim($this->xh[$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)
{
$CI =& get_instance();
if ($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] = $CI->input->xss_clean($array[$key]);
}
}
$parameters = $array;
}
else
{
$parameters = array();
for ($i = 0; $i < count($this->params); $i++)
{
$a_param = $this->decode_message($this->params[$i]);
if (is_array($a_param))
{
$parameters[] = $this->output_parameters($a_param);
}
else
{
$parameters[] = $CI->input->xss_clean($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; $i < count($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 ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Values extends CI_Xmlrpc
{
var $me = array();
var $mytype = 0;
function XML_RPC_Values($val=-1, $type='')
{
parent::CI_Xmlrpc();
if ($val != -1 OR $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 OR $val==1 OR ($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; $i < count($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((string)$val) . "</{$typ}>\n";
break;
case $this->xmlrpcBoolean:
$rs .= "<{$typ}>" . ((bool)$val ? '1' : '0') . "</{$typ}>\n";
break;
case $this->xmlrpcString:
$rs .= "<{$typ}>" . htmlspecialchars((string)$val). "</{$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
/* End of file Xmlrpc.php */
/* Location: ./system/libraries/Xmlrpc.php */
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