Source for file rpc.php

Documentation is available at rpc.php

<?php
/**
* $Id: rpc.php,v 1.1 2009/08/07 01:59:36 sam2kb Exp $
*
* @author Moxiecode
*/
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);
?>

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Source for file rpc.php

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