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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, $written))) === FALSE)
{
break;
}
// See https://bugs.php.net/bug.php?id=39598 and https://secure.php.net/manual/en/function.fwrite.php#96951
elseif ($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, ENT_XML1 | 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;
}
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