source: trunk/www.guidonia.net/wp/wp-includes/js/tinymce/plugins/spellchecker/rpc.php@ 44

<?php
/**
 * $Id: rpc.php 822 2008-04-28 13:45:03Z spocke $
 *
 * @package MCManager.includes
 * @author Moxiecode
 * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.
 */

require_once("./includes/general.php");

// Set RPC response headers
header('Content-Type: text/plain');
header('Content-Encoding: UTF-8');
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");

$raw = "";

// Try param
if (isset($_POST["json_data"]))
        $raw = getRequestParam("json_data");

// Try globals array
if (!$raw && isset($_GLOBALS) && isset($_GLOBALS["HTTP_RAW_POST_DATA"]))
        $raw = $_GLOBALS["HTTP_RAW_POST_DATA"];

// Try globals variable
if (!$raw && isset($HTTP_RAW_POST_DATA))
        $raw = $HTTP_RAW_POST_DATA;

// Try stream
if (!$raw) {
        if (!function_exists('file_get_contents')) {
                $fp = fopen("php://input", "r");
                if ($fp) {
                        $raw = "";

                        while (!feof($fp))
                                $raw = fread($fp, 1024);

                        fclose($fp);
                }
        } else
                $raw = "" . file_get_contents("php://input");
}

// No input data
if (!$raw)
        die('{"result":null,"id":null,"error":{"errstr":"Could not get raw post data.","errfile":"","errline":null,"errcontext":"","level":"FATAL"}}');

// Passthrough request to remote server
if (isset($config['general.remote_rpc_url'])) {
        $url = parse_url($config['general.remote_rpc_url']);

        // Setup request
        $req = "POST " . $url["path"] . " HTTP/1.0\r\n";
        $req .= "Connection: close\r\n";
        $req .= "Host: " . $url['host'] . "\r\n";
        $req .= "Content-Length: " . strlen($raw) . "\r\n";
        $req .= "\r\n" . $raw;

        if (!isset($url['port']) || !$url['port'])
                $url['port'] = 80;

        $errno = $errstr = "";

        $socket = fsockopen($url['host'], intval($url['port']), $errno, $errstr, 30);
        if ($socket) {
                // Send request headers
                fputs($socket, $req);

                // Read response headers and data
                $resp = "";
                while (!feof($socket))
                                $resp .= fgets($socket, 4096);

                fclose($socket);

                // Split response header/data
                $resp = explode("\r\n\r\n", $resp);
                echo $resp[1]; // Output body
        }

        die();
}

// Get JSON data
$json = new Moxiecode_JSON();
$input = $json->decode($raw);

// Execute RPC
if (isset($config['general.engine'])) {
        $spellchecker = new $config['general.engine']($config);
        $result = call_user_func_array(array($spellchecker, $input['method']), $input['params']);
} else
        die('{"result":null,"id":null,"error":{"errstr":"You must choose an spellchecker engine in the config.php file.","errfile":"","errline":null,"errcontext":"","level":"FATAL"}}');

// Request and response id should always be the same
$output = array(
        "id" => $input->id,
        "result" => $result,
        "error" => null
);

// Return JSON encoded string
echo $json->encode($output);

?>