[1] | 1 | <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
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| 2 | /** |
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| 3 | * CodeIgniter |
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| 4 | * |
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| 5 | * An open source application development framework for PHP 5.1.6 or newer |
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| 6 | * |
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| 7 | * @package CodeIgniter |
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| 8 | * @author ExpressionEngine Dev Team |
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| 9 | * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. |
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| 10 | * @license http://codeigniter.com/user_guide/license.html |
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| 11 | * @link http://codeigniter.com |
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| 12 | * @since Version 1.0 |
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| 13 | * @filesource |
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| 14 | */ |
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| 15 | |
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| 16 | if ( ! function_exists('xml_parser_create')) |
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| 17 | { |
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| 18 | show_error('Your PHP installation does not support XML'); |
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| 19 | } |
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| 20 | |
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| 21 | if ( ! class_exists('CI_Xmlrpc')) |
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| 22 | { |
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| 23 | show_error('You must load the Xmlrpc class before loading the Xmlrpcs class in order to create a server.'); |
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| 24 | } |
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| 25 | |
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| 26 | // ------------------------------------------------------------------------ |
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| 27 | |
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| 28 | /** |
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| 29 | * XML-RPC server class |
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| 30 | * |
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| 31 | * @package CodeIgniter |
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| 32 | * @subpackage Libraries |
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| 33 | * @category XML-RPC |
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| 34 | * @author ExpressionEngine Dev Team |
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| 35 | * @link http://codeigniter.com/user_guide/libraries/xmlrpc.html |
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| 36 | */ |
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| 37 | class CI_Xmlrpcs extends CI_Xmlrpc |
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| 38 | { |
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| 39 | var $methods = array(); //array of methods mapped to function names and signatures |
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| 40 | var $debug_msg = ''; // Debug Message |
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| 41 | var $system_methods = array(); // XML RPC Server methods |
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| 42 | var $controller_obj; |
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| 43 | |
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| 44 | var $object = FALSE; |
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| 45 | |
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| 46 | /** |
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| 47 | * Constructor |
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| 48 | */ |
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| 49 | public function __construct($config=array()) |
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| 50 | { |
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| 51 | parent::__construct(); |
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| 52 | $this->set_system_methods(); |
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| 53 | |
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| 54 | if (isset($config['functions']) && is_array($config['functions'])) |
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| 55 | { |
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| 56 | $this->methods = array_merge($this->methods, $config['functions']); |
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| 57 | } |
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| 58 | |
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| 59 | log_message('debug', "XML-RPC Server Class Initialized"); |
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| 60 | } |
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| 61 | |
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| 62 | // -------------------------------------------------------------------- |
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| 63 | |
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| 64 | /** |
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| 65 | * Initialize Prefs and Serve |
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| 66 | * |
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| 67 | * @access public |
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| 68 | * @param mixed |
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| 69 | * @return void |
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| 70 | */ |
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| 71 | function initialize($config=array()) |
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| 72 | { |
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| 73 | if (isset($config['functions']) && is_array($config['functions'])) |
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| 74 | { |
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| 75 | $this->methods = array_merge($this->methods, $config['functions']); |
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| 76 | } |
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| 77 | |
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| 78 | if (isset($config['debug'])) |
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| 79 | { |
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| 80 | $this->debug = $config['debug']; |
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| 81 | } |
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| 82 | |
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| 83 | if (isset($config['object']) && is_object($config['object'])) |
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| 84 | { |
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| 85 | $this->object = $config['object']; |
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| 86 | } |
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| 87 | |
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| 88 | if (isset($config['xss_clean'])) |
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| 89 | { |
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| 90 | $this->xss_clean = $config['xss_clean']; |
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| 91 | } |
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| 92 | } |
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| 93 | |
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| 94 | // -------------------------------------------------------------------- |
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| 95 | |
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| 96 | /** |
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| 97 | * Setting of System Methods |
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| 98 | * |
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| 99 | * @access public |
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| 100 | * @return void |
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| 101 | */ |
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| 102 | function set_system_methods() |
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| 103 | { |
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| 104 | $this->methods = array( |
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| 105 | 'system.listMethods' => array( |
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| 106 | 'function' => 'this.listMethods', |
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| 107 | 'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString), array($this->xmlrpcArray)), |
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| 108 | 'docstring' => 'Returns an array of available methods on this server'), |
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| 109 | 'system.methodHelp' => array( |
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| 110 | 'function' => 'this.methodHelp', |
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| 111 | 'signature' => array(array($this->xmlrpcString, $this->xmlrpcString)), |
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| 112 | 'docstring' => 'Returns a documentation string for the specified method'), |
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| 113 | 'system.methodSignature' => array( |
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| 114 | 'function' => 'this.methodSignature', |
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| 115 | 'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString)), |
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| 116 | 'docstring' => 'Returns an array describing the return type and required parameters of a method'), |
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| 117 | 'system.multicall' => array( |
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| 118 | 'function' => 'this.multicall', |
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| 119 | 'signature' => array(array($this->xmlrpcArray, $this->xmlrpcArray)), |
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| 120 | 'docstring' => 'Combine multiple RPC calls in one request. See http://www.xmlrpc.com/discuss/msgReader$1208 for details') |
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| 121 | ); |
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| 122 | } |
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| 123 | |
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| 124 | // -------------------------------------------------------------------- |
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| 125 | |
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| 126 | /** |
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| 127 | * Main Server Function |
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| 128 | * |
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| 129 | * @access public |
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| 130 | * @return void |
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| 131 | */ |
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| 132 | function serve() |
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| 133 | { |
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| 134 | $r = $this->parseRequest(); |
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| 135 | $payload = '<?xml version="1.0" encoding="'.$this->xmlrpc_defencoding.'"?'.'>'."\n"; |
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| 136 | $payload .= $this->debug_msg; |
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| 137 | $payload .= $r->prepare_response(); |
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| 138 | |
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| 139 | header("Content-Type: text/xml"); |
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| 140 | header("Content-Length: ".strlen($payload)); |
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| 141 | exit($payload); |
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| 142 | } |
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| 143 | |
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| 144 | // -------------------------------------------------------------------- |
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| 145 | |
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| 146 | /** |
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| 147 | * Add Method to Class |
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| 148 | * |
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| 149 | * @access public |
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| 150 | * @param string method name |
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| 151 | * @param string function |
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| 152 | * @param string signature |
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| 153 | * @param string docstring |
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| 154 | * @return void |
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| 155 | */ |
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| 156 | function add_to_map($methodname, $function, $sig, $doc) |
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| 157 | { |
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| 158 | $this->methods[$methodname] = array( |
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| 159 | 'function' => $function, |
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| 160 | 'signature' => $sig, |
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| 161 | 'docstring' => $doc |
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| 162 | ); |
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| 163 | } |
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| 164 | |
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| 165 | // -------------------------------------------------------------------- |
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| 166 | |
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| 167 | /** |
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| 168 | * Parse Server Request |
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| 169 | * |
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| 170 | * @access public |
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| 171 | * @param string data |
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| 172 | * @return object xmlrpc response |
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| 173 | */ |
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| 174 | function parseRequest($data='') |
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| 175 | { |
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| 176 | global $HTTP_RAW_POST_DATA; |
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| 177 | |
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| 178 | //------------------------------------- |
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| 179 | // Get Data |
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| 180 | //------------------------------------- |
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| 181 | |
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| 182 | if ($data == '') |
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| 183 | { |
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| 184 | $data = $HTTP_RAW_POST_DATA; |
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| 185 | } |
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| 186 | |
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| 187 | //------------------------------------- |
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| 188 | // Set up XML Parser |
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| 189 | //------------------------------------- |
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| 190 | |
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| 191 | $parser = xml_parser_create($this->xmlrpc_defencoding); |
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| 192 | $parser_object = new XML_RPC_Message("filler"); |
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| 193 | |
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| 194 | $parser_object->xh[$parser] = array(); |
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| 195 | $parser_object->xh[$parser]['isf'] = 0; |
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| 196 | $parser_object->xh[$parser]['isf_reason'] = ''; |
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| 197 | $parser_object->xh[$parser]['params'] = array(); |
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| 198 | $parser_object->xh[$parser]['stack'] = array(); |
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| 199 | $parser_object->xh[$parser]['valuestack'] = array(); |
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| 200 | $parser_object->xh[$parser]['method'] = ''; |
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| 201 | |
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| 202 | xml_set_object($parser, $parser_object); |
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| 203 | xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true); |
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| 204 | xml_set_element_handler($parser, 'open_tag', 'closing_tag'); |
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| 205 | xml_set_character_data_handler($parser, 'character_data'); |
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| 206 | //xml_set_default_handler($parser, 'default_handler'); |
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| 207 | |
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| 208 | |
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| 209 | //------------------------------------- |
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| 210 | // PARSE + PROCESS XML DATA |
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| 211 | //------------------------------------- |
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| 212 | |
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| 213 | if ( ! xml_parse($parser, $data, 1)) |
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| 214 | { |
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| 215 | // return XML error as a faultCode |
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| 216 | $r = new XML_RPC_Response(0, |
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| 217 | $this->xmlrpcerrxml + xml_get_error_code($parser), |
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| 218 | sprintf('XML error: %s at line %d', |
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| 219 | xml_error_string(xml_get_error_code($parser)), |
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| 220 | xml_get_current_line_number($parser))); |
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| 221 | xml_parser_free($parser); |
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| 222 | } |
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| 223 | elseif ($parser_object->xh[$parser]['isf']) |
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| 224 | { |
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| 225 | return new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'], $this->xmlrpcstr['invalid_return']); |
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| 226 | } |
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| 227 | else |
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| 228 | { |
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| 229 | xml_parser_free($parser); |
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| 230 | |
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| 231 | $m = new XML_RPC_Message($parser_object->xh[$parser]['method']); |
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| 232 | $plist=''; |
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| 233 | |
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| 234 | for ($i=0; $i < count($parser_object->xh[$parser]['params']); $i++) |
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| 235 | { |
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| 236 | if ($this->debug === TRUE) |
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| 237 | { |
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| 238 | $plist .= "$i - " . print_r(get_object_vars($parser_object->xh[$parser]['params'][$i]), TRUE). ";\n"; |
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| 239 | } |
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| 240 | |
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| 241 | $m->addParam($parser_object->xh[$parser]['params'][$i]); |
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| 242 | } |
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| 243 | |
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| 244 | if ($this->debug === TRUE) |
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| 245 | { |
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| 246 | echo "<pre>"; |
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| 247 | echo "---PLIST---\n" . $plist . "\n---PLIST END---\n\n"; |
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| 248 | echo "</pre>"; |
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| 249 | } |
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| 250 | |
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| 251 | $r = $this->_execute($m); |
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| 252 | } |
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| 253 | |
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| 254 | //------------------------------------- |
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| 255 | // SET DEBUGGING MESSAGE |
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| 256 | //------------------------------------- |
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| 257 | |
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| 258 | if ($this->debug === TRUE) |
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| 259 | { |
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| 260 | $this->debug_msg = "<!-- DEBUG INFO:\n\n".$plist."\n END DEBUG-->\n"; |
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| 261 | } |
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| 262 | |
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| 263 | return $r; |
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| 264 | } |
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| 265 | |
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| 266 | // -------------------------------------------------------------------- |
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| 267 | |
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| 268 | /** |
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| 269 | * Executes the Method |
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| 270 | * |
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| 271 | * @access protected |
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| 272 | * @param object |
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| 273 | * @return mixed |
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| 274 | */ |
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| 275 | function _execute($m) |
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| 276 | { |
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| 277 | $methName = $m->method_name; |
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| 278 | |
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| 279 | // Check to see if it is a system call |
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| 280 | $system_call = (strncmp($methName, 'system', 5) == 0) ? TRUE : FALSE; |
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| 281 | |
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| 282 | if ($this->xss_clean == FALSE) |
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| 283 | { |
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| 284 | $m->xss_clean = FALSE; |
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| 285 | } |
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| 286 | |
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| 287 | //------------------------------------- |
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| 288 | // Valid Method |
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| 289 | //------------------------------------- |
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| 290 | |
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| 291 | if ( ! isset($this->methods[$methName]['function'])) |
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| 292 | { |
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| 293 | return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']); |
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| 294 | } |
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| 295 | |
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| 296 | //------------------------------------- |
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| 297 | // Check for Method (and Object) |
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| 298 | //------------------------------------- |
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| 299 | |
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| 300 | $method_parts = explode(".", $this->methods[$methName]['function']); |
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| 301 | $objectCall = (isset($method_parts['1']) && $method_parts['1'] != "") ? TRUE : FALSE; |
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| 302 | |
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| 303 | if ($system_call === TRUE) |
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| 304 | { |
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| 305 | if ( ! is_callable(array($this,$method_parts['1']))) |
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| 306 | { |
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| 307 | return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']); |
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| 308 | } |
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| 309 | } |
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| 310 | else |
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| 311 | { |
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| 312 | if ($objectCall && ! is_callable(array($method_parts['0'],$method_parts['1']))) |
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| 313 | { |
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| 314 | return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']); |
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| 315 | } |
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| 316 | elseif ( ! $objectCall && ! is_callable($this->methods[$methName]['function'])) |
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| 317 | { |
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| 318 | return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']); |
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| 319 | } |
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| 320 | } |
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| 321 | |
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| 322 | //------------------------------------- |
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| 323 | // Checking Methods Signature |
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| 324 | //------------------------------------- |
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| 325 | |
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| 326 | if (isset($this->methods[$methName]['signature'])) |
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| 327 | { |
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| 328 | $sig = $this->methods[$methName]['signature']; |
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| 329 | for ($i=0; $i<count($sig); $i++) |
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| 330 | { |
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| 331 | $current_sig = $sig[$i]; |
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| 332 | |
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| 333 | if (count($current_sig) == count($m->params)+1) |
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| 334 | { |
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| 335 | for ($n=0; $n < count($m->params); $n++) |
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| 336 | { |
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| 337 | $p = $m->params[$n]; |
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| 338 | $pt = ($p->kindOf() == 'scalar') ? $p->scalarval() : $p->kindOf(); |
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| 339 | |
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| 340 | if ($pt != $current_sig[$n+1]) |
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| 341 | { |
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| 342 | $pno = $n+1; |
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| 343 | $wanted = $current_sig[$n+1]; |
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| 344 | |
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| 345 | return new XML_RPC_Response(0, |
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| 346 | $this->xmlrpcerr['incorrect_params'], |
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| 347 | $this->xmlrpcstr['incorrect_params'] . |
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| 348 | ": Wanted {$wanted}, got {$pt} at param {$pno})"); |
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| 349 | } |
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| 350 | } |
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| 351 | } |
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| 352 | } |
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| 353 | } |
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| 354 | |
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| 355 | //------------------------------------- |
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| 356 | // Calls the Function |
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| 357 | //------------------------------------- |
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| 358 | |
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| 359 | if ($objectCall === TRUE) |
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| 360 | { |
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| 361 | if ($method_parts[0] == "this" && $system_call == TRUE) |
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| 362 | { |
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| 363 | return call_user_func(array($this, $method_parts[1]), $m); |
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| 364 | } |
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| 365 | else |
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| 366 | { |
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| 367 | if ($this->object === FALSE) |
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| 368 | { |
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| 369 | $CI =& get_instance(); |
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| 370 | return $CI->$method_parts['1']($m); |
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| 371 | } |
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| 372 | else |
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| 373 | { |
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| 374 | return $this->object->$method_parts['1']($m); |
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| 375 | //return call_user_func(array(&$method_parts['0'],$method_parts['1']), $m); |
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| 376 | } |
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| 377 | } |
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| 378 | } |
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| 379 | else |
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| 380 | { |
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| 381 | return call_user_func($this->methods[$methName]['function'], $m); |
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| 382 | } |
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| 383 | } |
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| 384 | |
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| 385 | // -------------------------------------------------------------------- |
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| 386 | |
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| 387 | /** |
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| 388 | * Server Function: List Methods |
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| 389 | * |
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| 390 | * @access public |
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| 391 | * @param mixed |
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| 392 | * @return object |
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| 393 | */ |
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| 394 | function listMethods($m) |
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| 395 | { |
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| 396 | $v = new XML_RPC_Values(); |
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| 397 | $output = array(); |
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| 398 | |
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| 399 | foreach ($this->methods as $key => $value) |
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| 400 | { |
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| 401 | $output[] = new XML_RPC_Values($key, 'string'); |
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| 402 | } |
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| 403 | |
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| 404 | foreach ($this->system_methods as $key => $value) |
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| 405 | { |
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| 406 | $output[]= new XML_RPC_Values($key, 'string'); |
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| 407 | } |
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| 408 | |
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| 409 | $v->addArray($output); |
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| 410 | return new XML_RPC_Response($v); |
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| 411 | } |
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| 412 | |
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| 413 | // -------------------------------------------------------------------- |
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| 414 | |
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| 415 | /** |
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| 416 | * Server Function: Return Signature for Method |
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| 417 | * |
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| 418 | * @access public |
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| 419 | * @param mixed |
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| 420 | * @return object |
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| 421 | */ |
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| 422 | function methodSignature($m) |
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| 423 | { |
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| 424 | $parameters = $m->output_parameters(); |
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| 425 | $method_name = $parameters[0]; |
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| 426 | |
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| 427 | if (isset($this->methods[$method_name])) |
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| 428 | { |
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| 429 | if ($this->methods[$method_name]['signature']) |
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| 430 | { |
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| 431 | $sigs = array(); |
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| 432 | $signature = $this->methods[$method_name]['signature']; |
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| 433 | |
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| 434 | for ($i=0; $i < count($signature); $i++) |
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| 435 | { |
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| 436 | $cursig = array(); |
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| 437 | $inSig = $signature[$i]; |
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| 438 | for ($j=0; $j<count($inSig); $j++) |
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| 439 | { |
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| 440 | $cursig[]= new XML_RPC_Values($inSig[$j], 'string'); |
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| 441 | } |
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| 442 | $sigs[]= new XML_RPC_Values($cursig, 'array'); |
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| 443 | } |
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| 444 | $r = new XML_RPC_Response(new XML_RPC_Values($sigs, 'array')); |
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| 445 | } |
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| 446 | else |
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| 447 | { |
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| 448 | $r = new XML_RPC_Response(new XML_RPC_Values('undef', 'string')); |
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| 449 | } |
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| 450 | } |
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| 451 | else |
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| 452 | { |
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| 453 | $r = new XML_RPC_Response(0,$this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']); |
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| 454 | } |
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| 455 | return $r; |
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| 456 | } |
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| 457 | |
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| 458 | // -------------------------------------------------------------------- |
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| 459 | |
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| 460 | /** |
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| 461 | * Server Function: Doc String for Method |
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| 462 | * |
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| 463 | * @access public |
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| 464 | * @param mixed |
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| 465 | * @return object |
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| 466 | */ |
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| 467 | function methodHelp($m) |
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| 468 | { |
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| 469 | $parameters = $m->output_parameters(); |
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| 470 | $method_name = $parameters[0]; |
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| 471 | |
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| 472 | if (isset($this->methods[$method_name])) |
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| 473 | { |
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| 474 | $docstring = isset($this->methods[$method_name]['docstring']) ? $this->methods[$method_name]['docstring'] : ''; |
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| 475 | |
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| 476 | return new XML_RPC_Response(new XML_RPC_Values($docstring, 'string')); |
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| 477 | } |
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| 478 | else |
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| 479 | { |
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| 480 | return new XML_RPC_Response(0, $this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']); |
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| 481 | } |
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| 482 | } |
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| 483 | |
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| 484 | // -------------------------------------------------------------------- |
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| 485 | |
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| 486 | /** |
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| 487 | * Server Function: Multi-call |
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| 488 | * |
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| 489 | * @access public |
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| 490 | * @param mixed |
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| 491 | * @return object |
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| 492 | */ |
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| 493 | function multicall($m) |
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| 494 | { |
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| 495 | // Disabled |
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| 496 | return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']); |
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| 497 | |
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| 498 | $parameters = $m->output_parameters(); |
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| 499 | $calls = $parameters[0]; |
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| 500 | |
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| 501 | $result = array(); |
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| 502 | |
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| 503 | foreach ($calls as $value) |
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| 504 | { |
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| 505 | //$attempt = $this->_execute(new XML_RPC_Message($value[0], $value[1])); |
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| 506 | |
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| 507 | $m = new XML_RPC_Message($value[0]); |
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| 508 | $plist=''; |
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| 509 | |
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| 510 | for ($i=0; $i < count($value[1]); $i++) |
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| 511 | { |
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| 512 | $m->addParam(new XML_RPC_Values($value[1][$i], 'string')); |
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| 513 | } |
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| 514 | |
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| 515 | $attempt = $this->_execute($m); |
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| 516 | |
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| 517 | if ($attempt->faultCode() != 0) |
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| 518 | { |
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| 519 | return $attempt; |
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| 520 | } |
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| 521 | |
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| 522 | $result[] = new XML_RPC_Values(array($attempt->value()), 'array'); |
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| 523 | } |
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| 524 | |
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| 525 | return new XML_RPC_Response(new XML_RPC_Values($result, 'array')); |
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| 526 | } |
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| 527 | |
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| 528 | // -------------------------------------------------------------------- |
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| 529 | |
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| 530 | /** |
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| 531 | * Multi-call Function: Error Handling |
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| 532 | * |
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| 533 | * @access public |
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| 534 | * @param mixed |
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| 535 | * @return object |
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| 536 | */ |
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| 537 | function multicall_error($err) |
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| 538 | { |
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| 539 | $str = is_string($err) ? $this->xmlrpcstr["multicall_${err}"] : $err->faultString(); |
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| 540 | $code = is_string($err) ? $this->xmlrpcerr["multicall_${err}"] : $err->faultCode(); |
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| 541 | |
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| 542 | $struct['faultCode'] = new XML_RPC_Values($code, 'int'); |
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| 543 | $struct['faultString'] = new XML_RPC_Values($str, 'string'); |
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| 544 | |
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| 545 | return new XML_RPC_Values($struct, 'struct'); |
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| 546 | } |
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| 547 | |
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| 548 | // -------------------------------------------------------------------- |
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| 549 | |
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| 550 | /** |
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| 551 | * Multi-call Function: Processes method |
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| 552 | * |
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| 553 | * @access public |
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| 554 | * @param mixed |
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| 555 | * @return object |
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| 556 | */ |
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| 557 | function do_multicall($call) |
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| 558 | { |
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| 559 | if ($call->kindOf() != 'struct') |
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| 560 | { |
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| 561 | return $this->multicall_error('notstruct'); |
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| 562 | } |
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| 563 | elseif ( ! $methName = $call->me['struct']['methodName']) |
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| 564 | { |
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| 565 | return $this->multicall_error('nomethod'); |
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| 566 | } |
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| 567 | |
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| 568 | list($scalar_type,$scalar_value)=each($methName->me); |
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| 569 | $scalar_type = $scalar_type == $this->xmlrpcI4 ? $this->xmlrpcInt : $scalar_type; |
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| 570 | |
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| 571 | if ($methName->kindOf() != 'scalar' OR $scalar_type != 'string') |
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| 572 | { |
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| 573 | return $this->multicall_error('notstring'); |
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| 574 | } |
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| 575 | elseif ($scalar_value == 'system.multicall') |
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| 576 | { |
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| 577 | return $this->multicall_error('recursion'); |
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| 578 | } |
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| 579 | elseif ( ! $params = $call->me['struct']['params']) |
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| 580 | { |
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| 581 | return $this->multicall_error('noparams'); |
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| 582 | } |
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| 583 | elseif ($params->kindOf() != 'array') |
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| 584 | { |
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| 585 | return $this->multicall_error('notarray'); |
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| 586 | } |
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| 587 | |
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| 588 | list($a,$b)=each($params->me); |
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| 589 | $numParams = count($b); |
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| 590 | |
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| 591 | $msg = new XML_RPC_Message($scalar_value); |
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| 592 | for ($i = 0; $i < $numParams; $i++) |
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| 593 | { |
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| 594 | $msg->params[] = $params->me['array'][$i]; |
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| 595 | } |
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| 596 | |
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| 597 | $result = $this->_execute($msg); |
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| 598 | |
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| 599 | if ($result->faultCode() != 0) |
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| 600 | { |
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| 601 | return $this->multicall_error($result); |
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| 602 | } |
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| 603 | |
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| 604 | return new XML_RPC_Values(array($result->value()), 'array'); |
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| 605 | } |
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| 606 | |
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| 607 | } |
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| 608 | // END XML_RPC_Server class |
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| 609 | |
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| 610 | |
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| 611 | /* End of file Xmlrpcs.php */ |
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| 612 | /* Location: ./system/libraries/Xmlrpcs.php */ |
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