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Editing: class-IXR-server.php
<?php /** * IXR_Server * * @package IXR * @since 1.5.0 */ class IXR_Server { var $data; var $callbacks = array(); var $message; var $capabilities; /** * PHP5 constructor. */ function __construct( $callbacks = false, $data = false, $wait = false ) { $this->setCapabilities(); if ($callbacks) { $this->callbacks = $callbacks; } $this->setCallbacks(); if (!$wait) { $this->serve($data); } } /** * PHP4 constructor. */ public function IXR_Server( $callbacks = false, $data = false, $wait = false ) { self::__construct( $callbacks, $data, $wait ); } function serve($data = false) { if (!$data) { if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] !== 'POST') { if ( function_exists( 'status_header' ) ) { status_header( 405 ); // WP #20986 header( 'Allow: POST' ); } header('Content-Type: text/plain'); // merged from WP #9093 die('XML-RPC server accepts POST requests only.'); } $data = file_get_contents('php://input'); } $this->message = new IXR_Message($data); if (!$this->message->parse()) { $this->error(-32700, 'parse error. not well formed'); } if ($this->message->messageType != 'methodCall') { $this->error(-32600, 'server error. invalid xml-rpc. not conforming to spec. Request must be a methodCall'); } $result = $this->call($this->message->methodName, $this->message->params); // Is the result an error? if (is_a($result, 'IXR_Error')) { $this->error($result); } // Encode the result $r = new IXR_Value($result); $resultxml = $r->getXml(); // Create the XML $xml = <<<EOD <methodResponse> <params> <param> <value> $resultxml </value> </param> </params> </methodResponse> EOD; // Send it $this->output($xml); } function call($methodname, $args) { if (!$this->hasMethod($methodname)) { return new IXR_Error(-32601, 'server error. requested method '.$methodname.' does not exist.'); } $method = $this->callbacks[$methodname]; // Perform the callback and send the response if (count($args) == 1) { // If only one parameter just send that instead of the whole array $args = $args[0]; } // Are we dealing with a function or a method? if (is_string($method) && substr($method, 0, 5) == 'this:') { // It's a class method - check it exists $method = substr($method, 5); if (!method_exists($this, $method)) { return new IXR_Error(-32601, 'server error. requested class method "'.$method.'" does not exist.'); } //Call the method $result = $this->$method($args); } else { // It's a function - does it exist? if (is_array($method)) { if (!is_callable(array($method[0], $method[1]))) { return new IXR_Error(-32601, 'server error. requested object method "'.$method[1].'" does not exist.'); } } else if (!function_exists($method)) { return new IXR_Error(-32601, 'server error. requested function "'.$method.'" does not exist.'); } // Call the function $result = call_user_func($method, $args); } return $result; } function error($error, $message = false) { // Accepts either an error object or an error code and message if ($message && !is_object($error)) { $error = new IXR_Error($error, $message); } $this->output($error->getXml()); } function output($xml) { $charset = function_exists('get_option') ? get_option('blog_charset') : ''; if ($charset) $xml = '<?xml version="1.0" encoding="'.$charset.'"?>'."\n".$xml; else $xml = '<?xml version="1.0"?>'."\n".$xml; $length = strlen($xml); header('Connection: close'); if ($charset) header('Content-Type: text/xml; charset='.$charset); else header('Content-Type: text/xml'); header('Date: '.gmdate('r')); echo $xml; exit; } function hasMethod($method) { return in_array($method, array_keys($this->callbacks)); } function setCapabilities() { // Initialises capabilities array $this->capabilities = array( 'xmlrpc' => array( 'specUrl' => 'https://xmlrpc.com/spec.md', 'specVersion' => 1 ), 'faults_interop' => array( 'specUrl' => 'https://web.archive.org/web/20240416231938/https://xmlrpc-epi.sourceforge.net/specs/rfc.fault_codes.php', 'specVersion' => 20010516 ), 'system.multicall' => array( 'specUrl' => 'https://web.archive.org/web/20060624230303/http://www.xmlrpc.com/discuss/msgReader$1208?mode=topic', 'specVersion' => 1 ), ); } function getCapabilities($args) { return $this->capabilities; } function setCallbacks() { $this->callbacks['system.getCapabilities'] = 'this:getCapabilities'; $this->callbacks['system.listMethods'] = 'this:listMethods'; $this->callbacks['system.multicall'] = 'this:multiCall'; } function listMethods($args) { // Returns a list of methods - uses array_reverse to ensure user defined // methods are listed before server defined methods return array_reverse(array_keys($this->callbacks)); } function multiCall($methodcalls) { // See http://www.xmlrpc.com/discuss/msgReader$1208 $return = array(); foreach ($methodcalls as $call) { $method = $call['methodName']; $params = $call['params']; if ($method == 'system.multicall') { $result = new IXR_Error(-32600, 'Recursive calls to system.multicall are forbidden'); } else { $result = $this->call($method, $params); } if (is_a($result, 'IXR_Error')) { $return[] = array( 'faultCode' => $result->code, 'faultString' => $result->message ); } else { $return[] = array($result); } } return $return; } }
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