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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
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 EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class CI_Xmlrpc {
/**
* Debug flag
*
* @var bool
*/
public $debug = FALSE;
/**
* I4 data type
*
* @var string
*/
public $xmlrpcI4 = 'i4';
/**
* Integer data type
*
* @var string
*/
public $xmlrpcInt = 'int';
/**
* Boolean data type
*
* @var string
*/
public $xmlrpcBoolean = 'boolean';
/**
* Double data type
*
* @var string
*/
public $xmlrpcDouble = 'double';
/**
* String data type
*
* @var string
*/
public $xmlrpcString = 'string';
/**
* DateTime format
*
* @var string
*/
public $xmlrpcDateTime = 'dateTime.iso8601';
/**
* Base64 data type
*
* @var string
*/
public $xmlrpcBase64 = 'base64';
/**
* Array data type
*
* @var string
*/
public $xmlrpcArray = 'array';
/**
* Struct data type
*
* @var string
*/
public $xmlrpcStruct = 'struct';
/**
* Data types list
*
* @var array
*/
public $xmlrpcTypes = array();
/**
* Valid parents list
*
* @var array
*/
public $valid_parents = array();
/**
* Response error numbers list
*
* @var array
*/
public $xmlrpcerr = array();
/**
* Response error messages list
*
* @var string[]
*/
public $xmlrpcstr = array();
/**
* Encoding charset
*
* @var string
*/
public $xmlrpc_defencoding = 'UTF-8';
/**
* XML-RPC client name
*
* @var string
*/
public $xmlrpcName = 'XML-RPC for CodeIgniter';
/**
* XML-RPC version
*
* @var string
*/
public $xmlrpcVersion = '1.1';
/**
* Start of user errors
*
* @var int
*/
public $xmlrpcerruser = 800;
/**
* Start of XML parse errors
*
* @var int
*/
public $xmlrpcerrxml = 100;
/**
* Backslash replacement value
*
* @var string
*/
public $xmlrpc_backslash = '';
/**
* XML-RPC Client object
*
* @var object
*/
public $client;
/**
* XML-RPC Method name
*
* @var string
*/
public $method;
/**
* XML-RPC Data
*
* @var array
*/
public $data;
/**
* XML-RPC Message
*
* @var string
*/
public $message = '';
/**
* Request error message
*
* @var string
*/
public $error = '';
/**
* XML-RPC result object
*
* @var object
*/
public $result;
/**
* XML-RPC Response
*
* @var array
*/
public $response = array(); // Response from remote server
/**
* XSS Filter flag
*
* @var bool
*/
public $xss_clean = TRUE;
// --------------------------------------------------------------------
/**
* Constructor
*
* Initializes property default values
*
* @param array $config
* @return void
*/
public function __construct($config = array())
{
$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 received 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('info', 'XML-RPC Class Initialized');
}
// --------------------------------------------------------------------
/**
* Initialize
*
* @param array $config
* @return void
*/
public function initialize($config = array())
{
if (count($config) > 0)
{
foreach ($config as $key => $val)
{
if (isset($this->$key))
{
$this->$key = $val;
}
}
}
}
// --------------------------------------------------------------------
/**
* Parse server URL
*
* @param string $url
* @param int $port
* @param string $proxy
* @param int $proxy_port
* @return void
*/
public function server($url, $port = 80, $proxy = FALSE, $proxy_port = 8080)
{
if (stripos($url, 'http') !== 0)
{
$url = 'http://'.$url;
}
$parts = parse_url($url);
if (isset($parts['user'], $parts['pass']))
{
$parts['host'] = $parts['user'].':'.$parts['pass'].'@'.$parts['host'];
}
$path = isset($parts['path']) ? $parts['path'] : '/';
if ( ! empty($parts['query']))
{
$path .= '?'.$parts['query'];
}
$this->client = new XML_RPC_Client($path, $parts['host'], $port, $proxy, $proxy_port);
}
// --------------------------------------------------------------------
/**
* Set Timeout
*
* @param int $seconds
* @return void
*/
public function timeout($seconds = 5)
{
if ($this->client !== NULL && is_int($seconds))
{
$this->client->timeout = $seconds;
}
}
// --------------------------------------------------------------------
/**
* Set Methods
*
* @param string $function Method name
* @return void
*/
public function method($function)
{
$this->method = $function;
}
// --------------------------------------------------------------------
/**
* Take Array of Data and Create Objects
*
* @param array $incoming
* @return void
*/
public function request($incoming)
{
if ( ! is_array($incoming))
{
// Send Error
return;
}
$this->data = array();
foreach ($incoming as $key => $value)
{
$this->data[$key] = $this->values_parsing($value);
}
}
// --------------------------------------------------------------------
/**
* Set Debug
*
* @param bool $flag
* @return void
*/
public function set_debug($flag = TRUE)
{
$this->debug = ($flag === TRUE);
}
// --------------------------------------------------------------------
/**
* Values Parsing
*
* @param mixed $value
* @return object
*/
public function values_parsing($value)
{
if (is_array($value) && array_key_exists(0, $value))
{
if ( ! isset($value[1], $this->xmlrpcTypes[$value[1]]))
{
$temp = new XML_RPC_Values($value[0], (is_array($value[0]) ? 'array' : 'string'));
}
else
{
if (is_array($value[0]) && ($value[1] === 'struct' OR $value[1] === 'array'))
{
foreach (array_keys($value[0]) as $k)
{
$value[0][$k] = $this->values_parsing($value[0][$k]);
}
}
$temp = new XML_RPC_Values($value[0], $value[1]);
}
}
else
{
$temp = new XML_RPC_Values($value, 'string');
}
return $temp;
}
// --------------------------------------------------------------------
/**
* Sends XML-RPC Request
*
* @return bool
*/
public 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) OR ! is_object($this->result->val))
{
$this->error = $this->result->errstr;
return FALSE;
}
$this->response = $this->result->decode();
return TRUE;
}
// --------------------------------------------------------------------
/**
* Returns Error
*
* @return string
*/
public function display_error()
{
return $this->error;
}
// --------------------------------------------------------------------
/**
* Returns Remote Server Response
*
* @return string
*/
public function display_response()
{
return $this->response;
}
// --------------------------------------------------------------------
/**
* Sends an Error Message for Server Request
*
* @param int $number
* @param string $message
* @return object
*/
public function send_error_message($number, $message)
{
return new XML_RPC_Response(0, $number, $message);
}
// --------------------------------------------------------------------
/**
* Send Response for Server Request
*
* @param array $response
* @return object
*/
public function send_response($response)
{
// $response should be array of values, which will be parsed
// based on their data and type into a valid group of XML-RPC values
return new XML_RPC_Response($this->values_parsing($response));
}
} // END XML_RPC Class
/**
* XML-RPC Client class
*
* @category XML-RPC
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Client extends CI_Xmlrpc
{
/**
* Path
*
* @var string
*/
public $path = '';
/**
* Server hostname
*
* @var string
*/
public $server = '';
/**
* Server port
*
* @var int
*/
public $port = 80;
/**
*
* Server username
*
* @var string
*/
public $username;
/**
* Server password
*
* @var string
*/
public $password;
/**
* Proxy hostname
*
* @var string
*/
public $proxy = FALSE;
/**
* Proxy port
*
* @var int
*/
public $proxy_port = 8080;
/**
* Error number
*
* @var string
*/
public $errno = '';
/**
* Error message
*
* @var string
*/
public $errstring = '';
/**
* Timeout in seconds
*
* @var int
*/
public $timeout = 5;
/**
* No Multicall flag
*
* @var bool
*/
public $no_multicall = FALSE;
// --------------------------------------------------------------------
/**
* Constructor
*
* @param string $path
* @param object $server
* @param int $port
* @param string $proxy
* @param int $proxy_port
* @return void
*/
public function __construct($path, $server, $port = 80, $proxy = FALSE, $proxy_port = 8080)
{
parent::__construct();
$url = parse_url('http://'.$server);
if (isset($url['user'], $url['pass']))
{
$this->username = $url['user'];
$this->password = $url['pass'];
}
$this->port = $port;
$this->server = $url['host'];
$this->path = $path;
$this->proxy = $proxy;
$this->proxy_port = $proxy_port;
}
// --------------------------------------------------------------------
/**
* Send message
*
* @param mixed $msg
* @return object
*/
public function send($msg)
{
if (is_array($msg))
{
// Multi-call disabled
return new XML_RPC_Response(0, $this->xmlrpcerr['multicall_recursion'], $this->xmlrpcstr['multicall_recursion']);
}
return $this->sendPayload($msg);
}
// --------------------------------------------------------------------
/**
* Send payload
*
* @param object $msg
* @return object
*/
public function sendPayload($msg)
{
if ($this->proxy === FALSE)
{
$server = $this->server;
$port = $this->port;
}
else
{
$server = $this->proxy;
$port = $this->proxy_port;
}
$fp = @fsockopen($server, $port, $this->errno, $this->errstring, $this->timeout);
if ( ! is_resource($fp))
{
error_log($this->xmlrpcstr['http_error']);
return new XML_RPC_Response(0, $this->xmlrpcerr['http_error'], $this->xmlrpcstr['http_error']);
}
if (empty($msg->payload))
{
// $msg = XML_RPC_Messages
$msg->createPayload();
}
$r = "\r\n";
$op = 'POST '.$this->path.' HTTP/1.0'.$r
.'Host: '.$this->server.$r
.'Content-Type: text/xml'.$r
.(isset($this->username, $this->password) ? 'Authorization: Basic '.base64_encode($this->username.':'.$this->password).$r : '')
.'User-Agent: '.$this->xmlrpcName.$r
.'Content-Length: '.strlen($msg->payload).$r.$r
.$msg->payload;
stream_set_timeout($fp, $this->timeout); // set timeout for subsequent operations
for ($written = $timestamp = 0, $length = strlen($op); $written < $length; $written += $result)
{
if (($result = fwrite($fp, substr($op, $written))) === FALSE)
{
break;
}
// See https://bugs.php.net/bug.php?id=39598 and http://php.net/manual/en/function.fwrite.php#96951
elseif ($result === 0)
{
if ($timestamp === 0)
{
$timestamp = time();
}
elseif ($timestamp < (time() - $this->timeout))
{
$result = FALSE;
break;
}
}
else
{
$timestamp = 0;
}
}
if ($result === FALSE)
{
error_log($this->xmlrpcstr['http_error']);
return new XML_RPC_Response(0, $this->xmlrpcerr['http_error'], $this->xmlrpcstr['http_error']);
}
$resp = $msg->parseResponse($fp);
fclose($fp);
return $resp;
}
} // END XML_RPC_Client Class
/**
* XML-RPC Response class
*
* @category XML-RPC
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Response
{
/**
* Value
*
* @var mixed
*/
public $val = 0;
/**
* Error number
*
* @var int
*/
public $errno = 0;
/**
* Error message
*
* @var string
*/
public $errstr = '';
/**
* Headers list
*
* @var array
*/
public $headers = array();
/**
* XSS Filter flag
*
* @var bool
*/
public $xss_clean = TRUE;
// --------------------------------------------------------------------
/**
* Constructor
*
* @param mixed $val
* @param int $code
* @param string $fstr
* @return void
*/
public function __construct($val, $code = 0, $fstr = '')
{
if ($code !== 0)
{
// error
$this->errno = $code;
$this->errstr = htmlspecialchars($fstr,
(is_php('5.4') ? ENT_XML1 | ENT_NOQUOTES : ENT_NOQUOTES),
'UTF-8');
}
elseif ( ! 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;
}
}
// --------------------------------------------------------------------
/**
* Fault code
*
* @return int
*/
public function faultCode()
{
return $this->errno;
}
// --------------------------------------------------------------------
/**
* Fault string
*
* @return string
*/
public function faultString()
{
return $this->errstr;
}
// --------------------------------------------------------------------
/**
* Value
*
* @return mixed
*/
public function value()
{
return $this->val;
}
// --------------------------------------------------------------------
/**
* Prepare response
*
* @return string xml
*/
public function prepare_response()
{
return "<methodResponse>\n"
.($this->errno
? '<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>'
: "<params>\n<param>\n".$this->val->serialize_class()."</param>\n</params>")
."\n</methodResponse>";
}
// --------------------------------------------------------------------
/**
* Decode
*
* @param mixed $array
* @return array
*/
public function decode($array = NULL)
{
$CI =& get_instance();
if (is_array($array))
{
foreach ($array as $key => &$value)
{
if (is_array($value))
{
$array[$key] = $this->decode($value);
}
elseif ($this->xss_clean)
{
$array[$key] = $CI->security->xss_clean($value);
}
}
return $array;
}
$result = $this->xmlrpc_decoder($this->val);
if (is_array($result))
{
$result = $this->decode($result);
}
elseif ($this->xss_clean)
{
$result = $CI->security->xss_clean($result);
}
return $result;
}
// --------------------------------------------------------------------
/**
* XML-RPC Object to PHP Types
*
* @param object
* @return array
*/
public function xmlrpc_decoder($xmlrpc_val)
{
$kind = $xmlrpc_val->kindOf();
if ($kind === 'scalar')
{
return $xmlrpc_val->scalarval();
}
elseif ($kind === 'array')
{
reset($xmlrpc_val->me);
$b = current($xmlrpc_val->me);
$arr = array();
for ($i = 0, $size = count($b); $i < $size; $i++)
{
$arr[] = $this->xmlrpc_decoder($xmlrpc_val->me['array'][$i]);
}
return $arr;
}
elseif ($kind === 'struct')
{
reset($xmlrpc_val->me['struct']);
$arr = array();
foreach ($xmlrpc_val->me['struct'] as $key => &$value)
{
$arr[$key] = $this->xmlrpc_decoder($value);
}
return $arr;
}
}
// --------------------------------------------------------------------
/**
* ISO-8601 time to server or UTC time
*
* @param string
* @param bool
* @return int unix timestamp
*/
public function iso8601_decode($time, $utc = FALSE)
{
// Return a time 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))
{
$fnc = ($utc === TRUE) ? 'gmmktime' : 'mktime';
$t = $fnc($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
}
return $t;
}
} // END XML_RPC_Response Class
/**
* XML-RPC Message class
*
* @category XML-RPC
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Message extends CI_Xmlrpc
{
/**
* Payload
*
* @var string
*/
public $payload;
/**
* Method name
*
* @var string
*/
public $method_name;
/**
* Parameter list
*
* @var array
*/
public $params = array();
/**
* XH?
*
* @var array
*/
public $xh = array();
// --------------------------------------------------------------------
/**
* Constructor
*
* @param string $method
* @param array $pars
* @return void
*/
public function __construct($method, $pars = FALSE)
{
parent::__construct();
$this->method_name = $method;
if (is_array($pars) && count($pars) > 0)
{
for ($i = 0, $c = count($pars); $i < $c; $i++)
{
// $pars[$i] = XML_RPC_Values
$this->params[] = $pars[$i];
}
}
}
// --------------------------------------------------------------------
/**
* Create Payload to Send
*
* @return void
*/
public function createPayload()
{
$this->payload = '<?xml version="1.0"?'.">\r\n<methodCall>\r\n"
.'<methodName>'.$this->method_name."</methodName>\r\n"
."<params>\r\n";
for ($i = 0, $c = count($this->params); $i < $c; $i++)
{
// $p = XML_RPC_Values
$p = $this->params[$i];
$this->payload .= "<param>\r\n".$p->serialize_class()."</param>\r\n";
}
$this->payload .= "</params>\r\n</methodCall>\r\n";
}
// --------------------------------------------------------------------
/**
* Parse External XML-RPC Server's Response
*
* @param resource
* @return object
*/
public function parseResponse($fp)
{
$data = '';
while ($datum = fread($fp, 4096))
{
$data .= $datum;
}
// Display HTTP content for debugging
if ($this->debug === TRUE)
{
echo "<pre>---DATA---\n".htmlspecialchars($data)."\n---END DATA---\n\n</pre>";
}
// Check for data
if ($data === '')
{
error_log($this->xmlrpcstr['no_data']);
return new XML_RPC_Response(0, $this->xmlrpcerr['no_data'], $this->xmlrpcstr['no_data']);
}
// Check for HTTP 200 Response
if (strpos($data, 'HTTP') === 0 && ! preg_match('/^HTTP\/[0-9\.]+ 200 /', $data))
{
$errstr = substr($data, 0, strpos($data, "\n")-1);
return new XML_RPC_Response(0, $this->xmlrpcerr['http_error'], $this->xmlrpcstr['http_error'].' ('.$errstr.')');
}
//-------------------------------------
// Create and Set Up XML Parser
//-------------------------------------
$parser = xml_parser_create($this->xmlrpc_defencoding);
$pname = (string) $parser;
$this->xh[$pname] = array(
'isf' => 0,
'ac' => '',
'headers' => array(),
'stack' => array(),
'valuestack' => array(),
'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;
}
$this->xh[$pname]['headers'][] = $line;
}
$data = implode("\r\n", $lines);
// Parse XML data
if ( ! xml_parse($parser, $data, TRUE))
{
$errstr = sprintf('XML error: %s at line %d',
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser));
$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 ($this->xh[$pname]['isf'] > 1)
{
if ($this->debug === TRUE)
{
echo "---Invalid Return---\n".$this->xh[$pname]['isf_reason']."---Invalid Return---\n\n";
}
return new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'], $this->xmlrpcstr['invalid_return'].' '.$this->xh[$pname]['isf_reason']);
}
elseif ( ! is_object($this->xh[$pname]['value']))
{
return new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'], $this->xmlrpcstr['invalid_return'].' '.$this->xh[$pname]['isf_reason']);
}
// Display XML content for debugging
if ($this->debug === TRUE)
{
echo '<pre>';
if (count($this->xh[$pname]['headers']) > 0)
{
echo "---HEADERS---\n";
foreach ($this->xh[$pname]['headers'] as $header)
{
echo $header."\n";
}
echo "---END HEADERS---\n\n";
}
echo "---DATA---\n".htmlspecialchars($data)."\n---END DATA---\n\n---PARSED---\n";
var_dump($this->xh[$pname]['value']);
echo "\n---END PARSED---</pre>";
}
// Send response
$v = $this->xh[$pname]['value'];
if ($this->xh[$pname]['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 = $this->xh[$pname]['headers'];
return $r;
}
// --------------------------------------------------------------------
// ------------------------------------
// Begin Return Message Parsing section
// ------------------------------------
// quick explanation of components:
// ac - used to accumulate values
// isf - used to indicate a fault
// lv - used to indicate "looking for a value": implements
// the logic to allow values with no types to be strings
// params - used to store parameters in method calls
// method - used to store method name
// stack - array with parent tree of the xml element,
// used to validate the nesting of elements
// --------------------------------------------------------------------
/**
* Start Element Handler
*
* @param string
* @param string
* @return void
*/
public function open_tag($the_parser, $name)
{
$the_parser = (string) $the_parser;
// If invalid nesting, then return
if ($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;
}
}
// not top level element: see if parent is OK
elseif ( ! 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'] = 'There is 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);
$name === 'VALUE' OR $this->xh[$the_parser]['lv'] = 0;
}
// --------------------------------------------------------------------
/**
* End Element Handler
*
* @param string
* @param string
* @return void
*/
public function closing_tag($the_parser, $name)
{
$the_parser = (string) $the_parser;
if ($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']) ? $cur_val['values'] : array();
$this->xh[$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
$this->xh[$the_parser]['value'] = (bool) $this->xh[$the_parser]['ac'];
}
elseif ($name=='DOUBLE')
{
// we have a DOUBLE
// we must check that only 0123456789-.<space> are characters here
$this->xh[$the_parser]['value'] = preg_match('/^[+-]?[eE0-9\t \.]+$/', $this->xh[$the_parser]['ac'])
? (float) $this->xh[$the_parser]['ac']
: 'ERROR_NON_NUMERIC_FOUND';
}
else
{
// we have an I4/INT
// we must check that only 0123456789-<space> are characters here
$this->xh[$the_parser]['value'] = preg_match('/^[+-]?[0-9\t ]+$/', $this->xh[$the_parser]['ac'])
? (int) $this->xh[$the_parser]['ac']
: 'ERROR_NON_NUMERIC_FOUND';
}
$this->xh[$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;
}
}
// --------------------------------------------------------------------
/**
* Parse character data
*
* @param string
* @param string
* @return void
*/
public function character_data($the_parser, $data)
{
$the_parser = (string) $the_parser;
if ($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'] .= $data;
}
}
// --------------------------------------------------------------------
/**
* Add parameter
*
* @param mixed
* @return void
*/
public function addParam($par)
{
$this->params[] = $par;
}
// --------------------------------------------------------------------
/**
* Output parameters
*
* @param array $array
* @return array
*/
public function output_parameters(array $array = array())
{
$CI =& get_instance();
if ( ! empty($array))
{
foreach ($array as $key => &$value)
{
if (is_array($value))
{
$array[$key] = $this->output_parameters($value);
}
elseif ($key !== 'bits' && $this->xss_clean)
{
// 'bits' is for the MetaWeblog API image bits
// @todo - this needs to be made more general purpose
$array[$key] = $CI->security->xss_clean($value);
}
}
return $array;
}
$parameters = array();
for ($i = 0, $c = count($this->params); $i < $c; $i++)
{
$a_param = $this->decode_message($this->params[$i]);
if (is_array($a_param))
{
$parameters[] = $this->output_parameters($a_param);
}
else
{
$parameters[] = ($this->xss_clean) ? $CI->security->xss_clean($a_param) : $a_param;
}
}
return $parameters;
}
// --------------------------------------------------------------------
/**
* Decode message
*
* @param object
* @return mixed
*/
public function decode_message($param)
{
$kind = $param->kindOf();
if ($kind === 'scalar')
{
return $param->scalarval();
}
elseif ($kind === 'array')
{
reset($param->me);
$b = current($param->me);
$arr = array();
for ($i = 0, $c = count($b); $i < $c; $i++)
{
$arr[] = $this->decode_message($param->me['array'][$i]);
}
return $arr;
}
elseif ($kind === 'struct')
{
reset($param->me['struct']);
$arr = array();
foreach ($param->me['struct'] as $key => &$value)
{
$arr[$key] = $this->decode_message($value);
}
return $arr;
}
}
} // END XML_RPC_Message Class
/**
* XML-RPC Values class
*
* @category XML-RPC
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/xmlrpc.html
*/
class XML_RPC_Values extends CI_Xmlrpc
{
/**
* Value data
*
* @var array
*/
public $me = array();
/**
* Value type
*
* @var int
*/
public $mytype = 0;
// --------------------------------------------------------------------
/**
* Constructor
*
* @param mixed $val
* @param string $type
* @return void
*/
public function __construct($val = -1, $type = '')
{
parent::__construct();
if ($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);
}
}
}
// --------------------------------------------------------------------
/**
* Add scalar value
*
* @param scalar
* @param string
* @return int
*/
public 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)
{
$val = (int) (strcasecmp($val, 'true') === 0 OR $val === 1 OR ($val === TRUE && strcasecmp($val, 'false')));
}
if ($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 = $typeof;
}
return 1;
}
// --------------------------------------------------------------------
/**
* Add array value
*
* @param array
* @return int
*/
public function addArray($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'] = $vals;
return 1;
}
// --------------------------------------------------------------------
/**
* Add struct value
*
* @param object
* @return int
*/
public function addStruct($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'] = $vals;
return 1;
}
// --------------------------------------------------------------------
/**
* Get value type
*
* @return string
*/
public function kindOf()
{
switch ($this->mytype)
{
case 3: return 'struct';
case 2: return 'array';
case 1: return 'scalar';
default: return 'undef';
}
}
// --------------------------------------------------------------------
/**
* Serialize data
*
* @param string
* @param mixed
* @return string
*/
public function serializedata($typ, $val)
{
$rs = '';
switch ($this->xmlrpcTypes[$typ])
{
case 3:
// struct
$rs .= "<struct>\n";
reset($val);
foreach ($val as $key2 => &$val2)
{
$rs .= "<member>\n<name>{$key2}</name>\n".$this->serializeval($val2)."</member>\n";
}
$rs .= '</struct>';
break;
case 2:
// array
$rs .= "<array>\n<data>\n";
for ($i = 0, $c = count($val); $i < $c; $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;
}
// --------------------------------------------------------------------
/**
* Serialize class
*
* @return string
*/
public function serialize_class()
{
return $this->serializeval($this);
}
// --------------------------------------------------------------------
/**
* Serialize value
*
* @param object
* @return string
*/
public function serializeval($o)
{
$array = $o->me;
list($value, $type) = array(reset($array), key($array));
return "<value>\n".$this->serializedata($type, $value)."</value>\n";
}
// --------------------------------------------------------------------
/**
* Scalar value
*
* @return mixed
*/
public function scalarval()
{
return reset($this->me);
}
// --------------------------------------------------------------------
/**
* Encode time in ISO-8601 form.
* Useful for sending time in XML-RPC
*
* @param int unix timestamp
* @param bool
* @return string
*/
public function iso8601_encode($time, $utc = FALSE)
{
return ($utc) ? strftime('%Y%m%dT%H:%i:%s', $time) : gmstrftime('%Y%m%dT%H:%i:%s', $time);
}
} // END XML_RPC_Values Class