620 lines
16 KiB
PHP
620 lines
16 KiB
PHP
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<?php
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP
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*
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* This content is released under the MIT License (MIT)
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*
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* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @package CodeIgniter
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* @author EllisLab Dev Team
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
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* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
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* @license https://opensource.org/licenses/MIT MIT License
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* @link https://codeigniter.com
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* @since Version 1.0.0
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* @filesource
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*/
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defined('BASEPATH') OR exit('No direct script access allowed');
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if ( ! function_exists('xml_parser_create'))
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{
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show_error('Your PHP installation does not support XML');
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}
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if ( ! class_exists('CI_Xmlrpc', FALSE))
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{
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show_error('You must load the Xmlrpc class before loading the Xmlrpcs class in order to create a server.');
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}
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// ------------------------------------------------------------------------
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/**
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* XML-RPC server class
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*
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* @package CodeIgniter
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* @subpackage Libraries
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* @category XML-RPC
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* @author EllisLab Dev Team
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* @link https://codeigniter.com/user_guide/libraries/xmlrpc.html
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*/
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class CI_Xmlrpcs extends CI_Xmlrpc {
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/**
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* Array of methods mapped to function names and signatures
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*
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* @var array
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*/
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public $methods = array();
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/**
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* Debug Message
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*
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* @var string
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*/
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public $debug_msg = '';
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/**
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* XML RPC Server methods
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*
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* @var array
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*/
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public $system_methods = array();
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/**
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* Configuration object
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*
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* @var object
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*/
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public $object = FALSE;
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/**
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* Initialize XMLRPC class
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*
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* @param array $config
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* @return void
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*/
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public function __construct($config = array())
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{
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parent::__construct();
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$this->set_system_methods();
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if (isset($config['functions']) && is_array($config['functions']))
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{
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$this->methods = array_merge($this->methods, $config['functions']);
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}
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log_message('info', 'XML-RPC Server Class Initialized');
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}
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// --------------------------------------------------------------------
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/**
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* Initialize Prefs and Serve
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*
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* @param mixed
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* @return void
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*/
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public function initialize($config = array())
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{
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if (isset($config['functions']) && is_array($config['functions']))
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{
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$this->methods = array_merge($this->methods, $config['functions']);
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}
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if (isset($config['debug']))
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{
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$this->debug = $config['debug'];
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}
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if (isset($config['object']) && is_object($config['object']))
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{
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$this->object = $config['object'];
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}
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if (isset($config['xss_clean']))
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{
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$this->xss_clean = $config['xss_clean'];
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}
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}
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// --------------------------------------------------------------------
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/**
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* Setting of System Methods
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*
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* @return void
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*/
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public function set_system_methods()
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{
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$this->methods = array(
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'system.listMethods' => array(
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'function' => 'this.listMethods',
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'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString), array($this->xmlrpcArray)),
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'docstring' => 'Returns an array of available methods on this server'),
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'system.methodHelp' => array(
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'function' => 'this.methodHelp',
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'signature' => array(array($this->xmlrpcString, $this->xmlrpcString)),
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'docstring' => 'Returns a documentation string for the specified method'),
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'system.methodSignature' => array(
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'function' => 'this.methodSignature',
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'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString)),
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'docstring' => 'Returns an array describing the return type and required parameters of a method'),
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'system.multicall' => array(
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'function' => 'this.multicall',
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'signature' => array(array($this->xmlrpcArray, $this->xmlrpcArray)),
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'docstring' => 'Combine multiple RPC calls in one request. See http://www.xmlrpc.com/discuss/msgReader$1208 for details')
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);
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}
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// --------------------------------------------------------------------
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/**
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* Main Server Function
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*
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* @return void
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*/
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public function serve()
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{
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$r = $this->parseRequest();
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$payload = '<?xml version="1.0" encoding="'.$this->xmlrpc_defencoding.'"?'.'>'."\n".$this->debug_msg.$r->prepare_response();
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header('Content-Type: text/xml');
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header('Content-Length: '.strlen($payload));
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exit($payload);
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}
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// --------------------------------------------------------------------
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/**
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* Add Method to Class
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*
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* @param string method name
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* @param string function
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* @param string signature
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* @param string docstring
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* @return void
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*/
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public function add_to_map($methodname, $function, $sig, $doc)
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{
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$this->methods[$methodname] = array(
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'function' => $function,
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'signature' => $sig,
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'docstring' => $doc
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);
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}
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// --------------------------------------------------------------------
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/**
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* Parse Server Request
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*
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* @param string data
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* @return object xmlrpc response
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*/
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public function parseRequest($data = '')
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{
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//-------------------------------------
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// Get Data
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//-------------------------------------
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if ($data === '')
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{
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$CI =& get_instance();
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if ($CI->input->method() === 'post')
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{
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$data = $CI->input->raw_input_stream;
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}
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}
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//-------------------------------------
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// Set up XML Parser
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//-------------------------------------
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$parser = xml_parser_create($this->xmlrpc_defencoding);
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$parser_object = new XML_RPC_Message('filler');
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$pname = (string) $parser;
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$parser_object->xh[$pname] = array(
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'isf' => 0,
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'isf_reason' => '',
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'params' => array(),
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'stack' => array(),
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'valuestack' => array(),
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'method' => ''
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);
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xml_set_object($parser, $parser_object);
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xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, TRUE);
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xml_set_element_handler($parser, 'open_tag', 'closing_tag');
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xml_set_character_data_handler($parser, 'character_data');
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//xml_set_default_handler($parser, 'default_handler');
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//-------------------------------------
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// PARSE + PROCESS XML DATA
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//-------------------------------------
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if ( ! xml_parse($parser, $data, 1))
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{
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// Return XML error as a faultCode
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$r = new XML_RPC_Response(0,
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$this->xmlrpcerrxml + xml_get_error_code($parser),
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sprintf('XML error: %s at line %d',
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xml_error_string(xml_get_error_code($parser)),
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xml_get_current_line_number($parser)));
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xml_parser_free($parser);
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}
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elseif ($parser_object->xh[$pname]['isf'])
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{
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return new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'], $this->xmlrpcstr['invalid_return']);
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}
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else
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{
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xml_parser_free($parser);
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$m = new XML_RPC_Message($parser_object->xh[$pname]['method']);
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$plist = '';
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for ($i = 0, $c = count($parser_object->xh[$pname]['params']); $i < $c; $i++)
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{
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if ($this->debug === TRUE)
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{
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$plist .= $i.' - '.print_r(get_object_vars($parser_object->xh[$pname]['params'][$i]), TRUE).";\n";
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}
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$m->addParam($parser_object->xh[$pname]['params'][$i]);
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}
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if ($this->debug === TRUE)
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{
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echo "<pre>---PLIST---\n".$plist."\n---PLIST END---\n\n</pre>";
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}
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$r = $this->_execute($m);
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}
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//-------------------------------------
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// SET DEBUGGING MESSAGE
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//-------------------------------------
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if ($this->debug === TRUE)
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{
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$this->debug_msg = "<!-- DEBUG INFO:\n\n".$plist."\n END DEBUG-->\n";
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}
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return $r;
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}
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// --------------------------------------------------------------------
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/**
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* Executes the Method
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*
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* @param object
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* @return mixed
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*/
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protected function _execute($m)
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{
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$methName = $m->method_name;
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// Check to see if it is a system call
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$system_call = (strpos($methName, 'system') === 0);
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if ($this->xss_clean === FALSE)
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{
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$m->xss_clean = FALSE;
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}
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//-------------------------------------
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// Valid Method
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//-------------------------------------
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if ( ! isset($this->methods[$methName]['function']))
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{
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return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
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}
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//-------------------------------------
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// Check for Method (and Object)
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//-------------------------------------
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$method_parts = explode('.', $this->methods[$methName]['function']);
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$objectCall = ! empty($method_parts[1]);
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if ($system_call === TRUE)
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{
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if ( ! is_callable(array($this, $method_parts[1])))
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{
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return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
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}
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}
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elseif (($objectCall && ! is_callable(array($method_parts[0], $method_parts[1])))
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OR ( ! $objectCall && ! is_callable($this->methods[$methName]['function']))
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)
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{
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return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
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}
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//-------------------------------------
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// Checking Methods Signature
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//-------------------------------------
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if (isset($this->methods[$methName]['signature']))
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{
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$sig = $this->methods[$methName]['signature'];
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for ($i = 0, $c = count($sig); $i < $c; $i++)
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{
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$current_sig = $sig[$i];
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if (count($current_sig) === count($m->params)+1)
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{
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for ($n = 0, $mc = count($m->params); $n < $mc; $n++)
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{
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$p = $m->params[$n];
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$pt = ($p->kindOf() === 'scalar') ? $p->scalarval() : $p->kindOf();
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if ($pt !== $current_sig[$n+1])
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{
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$pno = $n+1;
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$wanted = $current_sig[$n+1];
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return new XML_RPC_Response(0,
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$this->xmlrpcerr['incorrect_params'],
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$this->xmlrpcstr['incorrect_params'] .
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': Wanted '.$wanted.', got '.$pt.' at param '.$pno.')');
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}
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}
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}
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}
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}
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//-------------------------------------
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// Calls the Function
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//-------------------------------------
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if ($objectCall === TRUE)
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{
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if ($method_parts[0] === 'this' && $system_call === TRUE)
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{
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return call_user_func(array($this, $method_parts[1]), $m);
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}
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elseif ($this->object === FALSE)
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|
|
{
|
||
|
|
return get_instance()->{$method_parts[1]}($m);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->object->{$method_parts[1]}($m);
|
||
|
|
}
|
||
|
|
|
||
|
|
return call_user_func($this->methods[$methName]['function'], $m);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server Function: List Methods
|
||
|
|
*
|
||
|
|
* @param mixed
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public function listMethods($m)
|
||
|
|
{
|
||
|
|
$v = new XML_RPC_Values();
|
||
|
|
$output = array();
|
||
|
|
|
||
|
|
foreach ($this->methods as $key => $value)
|
||
|
|
{
|
||
|
|
$output[] = new XML_RPC_Values($key, 'string');
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($this->system_methods as $key => $value)
|
||
|
|
{
|
||
|
|
$output[] = new XML_RPC_Values($key, 'string');
|
||
|
|
}
|
||
|
|
|
||
|
|
$v->addArray($output);
|
||
|
|
return new XML_RPC_Response($v);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server Function: Return Signature for Method
|
||
|
|
*
|
||
|
|
* @param mixed
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public function methodSignature($m)
|
||
|
|
{
|
||
|
|
$parameters = $m->output_parameters();
|
||
|
|
$method_name = $parameters[0];
|
||
|
|
|
||
|
|
if (isset($this->methods[$method_name]))
|
||
|
|
{
|
||
|
|
if ($this->methods[$method_name]['signature'])
|
||
|
|
{
|
||
|
|
$sigs = array();
|
||
|
|
$signature = $this->methods[$method_name]['signature'];
|
||
|
|
|
||
|
|
for ($i = 0, $c = count($signature); $i < $c; $i++)
|
||
|
|
{
|
||
|
|
$cursig = array();
|
||
|
|
$inSig = $signature[$i];
|
||
|
|
for ($j = 0, $jc = count($inSig); $j < $jc; $j++)
|
||
|
|
{
|
||
|
|
$cursig[]= new XML_RPC_Values($inSig[$j], 'string');
|
||
|
|
}
|
||
|
|
$sigs[] = new XML_RPC_Values($cursig, 'array');
|
||
|
|
}
|
||
|
|
|
||
|
|
return new XML_RPC_Response(new XML_RPC_Values($sigs, 'array'));
|
||
|
|
}
|
||
|
|
|
||
|
|
return new XML_RPC_Response(new XML_RPC_Values('undef', 'string'));
|
||
|
|
}
|
||
|
|
|
||
|
|
return new XML_RPC_Response(0, $this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server Function: Doc String for Method
|
||
|
|
*
|
||
|
|
* @param mixed
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public function methodHelp($m)
|
||
|
|
{
|
||
|
|
$parameters = $m->output_parameters();
|
||
|
|
$method_name = $parameters[0];
|
||
|
|
|
||
|
|
if (isset($this->methods[$method_name]))
|
||
|
|
{
|
||
|
|
$docstring = isset($this->methods[$method_name]['docstring']) ? $this->methods[$method_name]['docstring'] : '';
|
||
|
|
|
||
|
|
return new XML_RPC_Response(new XML_RPC_Values($docstring, 'string'));
|
||
|
|
}
|
||
|
|
|
||
|
|
return new XML_RPC_Response(0, $this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server Function: Multi-call
|
||
|
|
*
|
||
|
|
* @param mixed
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public function multicall($m)
|
||
|
|
{
|
||
|
|
// Disabled
|
||
|
|
return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
|
||
|
|
|
||
|
|
$parameters = $m->output_parameters();
|
||
|
|
$calls = $parameters[0];
|
||
|
|
|
||
|
|
$result = array();
|
||
|
|
|
||
|
|
foreach ($calls as $value)
|
||
|
|
{
|
||
|
|
$m = new XML_RPC_Message($value[0]);
|
||
|
|
$plist = '';
|
||
|
|
|
||
|
|
for ($i = 0, $c = count($value[1]); $i < $c; $i++)
|
||
|
|
{
|
||
|
|
$m->addParam(new XML_RPC_Values($value[1][$i], 'string'));
|
||
|
|
}
|
||
|
|
|
||
|
|
$attempt = $this->_execute($m);
|
||
|
|
|
||
|
|
if ($attempt->faultCode() !== 0)
|
||
|
|
{
|
||
|
|
return $attempt;
|
||
|
|
}
|
||
|
|
|
||
|
|
$result[] = new XML_RPC_Values(array($attempt->value()), 'array');
|
||
|
|
}
|
||
|
|
|
||
|
|
return new XML_RPC_Response(new XML_RPC_Values($result, 'array'));
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Multi-call Function: Error Handling
|
||
|
|
*
|
||
|
|
* @param mixed
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public function multicall_error($err)
|
||
|
|
{
|
||
|
|
$str = is_string($err) ? $this->xmlrpcstr["multicall_${err}"] : $err->faultString();
|
||
|
|
$code = is_string($err) ? $this->xmlrpcerr["multicall_${err}"] : $err->faultCode();
|
||
|
|
|
||
|
|
$struct['faultCode'] = new XML_RPC_Values($code, 'int');
|
||
|
|
$struct['faultString'] = new XML_RPC_Values($str, 'string');
|
||
|
|
|
||
|
|
return new XML_RPC_Values($struct, 'struct');
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Multi-call Function: Processes method
|
||
|
|
*
|
||
|
|
* @param mixed
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public function do_multicall($call)
|
||
|
|
{
|
||
|
|
if ($call->kindOf() !== 'struct')
|
||
|
|
{
|
||
|
|
return $this->multicall_error('notstruct');
|
||
|
|
}
|
||
|
|
elseif ( ! $methName = $call->me['struct']['methodName'])
|
||
|
|
{
|
||
|
|
return $this->multicall_error('nomethod');
|
||
|
|
}
|
||
|
|
|
||
|
|
list($scalar_value, $scalar_type) = array(reset($methName->me), key($methName->me));
|
||
|
|
$scalar_type = $scalar_type === $this->xmlrpcI4 ? $this->xmlrpcInt : $scalar_type;
|
||
|
|
|
||
|
|
if ($methName->kindOf() !== 'scalar' OR $scalar_type !== 'string')
|
||
|
|
{
|
||
|
|
return $this->multicall_error('notstring');
|
||
|
|
}
|
||
|
|
elseif ($scalar_value === 'system.multicall')
|
||
|
|
{
|
||
|
|
return $this->multicall_error('recursion');
|
||
|
|
}
|
||
|
|
elseif ( ! $params = $call->me['struct']['params'])
|
||
|
|
{
|
||
|
|
return $this->multicall_error('noparams');
|
||
|
|
}
|
||
|
|
elseif ($params->kindOf() !== 'array')
|
||
|
|
{
|
||
|
|
return $this->multicall_error('notarray');
|
||
|
|
}
|
||
|
|
|
||
|
|
list($b, $a) = array(reset($params->me), key($params->me));
|
||
|
|
|
||
|
|
$msg = new XML_RPC_Message($scalar_value);
|
||
|
|
for ($i = 0, $numParams = count($b); $i < $numParams; $i++)
|
||
|
|
{
|
||
|
|
$msg->params[] = $params->me['array'][$i];
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = $this->_execute($msg);
|
||
|
|
|
||
|
|
if ($result->faultCode() !== 0)
|
||
|
|
{
|
||
|
|
return $this->multicall_error($result);
|
||
|
|
}
|
||
|
|
|
||
|
|
return new XML_RPC_Values(array($result->value()), 'array');
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|