<?php
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/**
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* $Id: rpc.php 822 2008-04-28 13:45:03Z spocke $
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*
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* @author Moxiecode
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* @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.
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*/
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require_once("./includes/general.php");
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// Set RPC response headers
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header('Content-Type: text/plain');
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header('Content-Encoding: UTF-8');
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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
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header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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header("Cache-Control: no-store, no-cache, must-revalidate");
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header("Cache-Control: post-check=0, pre-check=0", false);
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header("Pragma: no-cache");
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$raw = "";
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// Try param
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if (isset($_POST["json_data"]))
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$raw = getRequestParam("json_data");
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// Try globals array
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if (!$raw && isset($_GLOBALS) && isset($_GLOBALS["HTTP_RAW_POST_DATA"]))
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$raw = $_GLOBALS["HTTP_RAW_POST_DATA"];
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// Try globals variable
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if (!$raw && isset($HTTP_RAW_POST_DATA))
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$raw = $HTTP_RAW_POST_DATA;
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// Try stream
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if (!$raw) {
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if (!function_exists('file_get_contents')) {
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$fp = fopen("php://input", "r");
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if ($fp) {
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$raw = "";
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while (!feof($fp))
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$raw = fread($fp, 1024);
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fclose($fp);
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}
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} else
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$raw = "" . file_get_contents("php://input");
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}
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// No input data
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if (!$raw)
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die('{"result":null,"id":null,"error":{"errstr":"Could not get raw post data.","errfile":"","errline":null,"errcontext":"","level":"FATAL"}}');
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// Passthrough request to remote server
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if (isset($config['general.remote_rpc_url'])) {
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$url = parse_url($config['general.remote_rpc_url']);
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// Setup request
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$req = "POST " . $url["path"] . " HTTP/1.0\r\n";
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$req .= "Connection: close\r\n";
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$req .= "Host: " . $url['host'] . "\r\n";
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$req .= "Content-Length: " . strlen($raw) . "\r\n";
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$req .= "\r\n" . $raw;
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if (!isset($url['port']) || !$url['port'])
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$url['port'] = 80;
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$errno = $errstr = "";
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$socket = fsockopen($url['host'], intval($url['port']), $errno, $errstr, 30);
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if ($socket) {
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// Send request headers
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fputs($socket, $req);
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// Read response headers and data
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$resp = "";
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while (!feof($socket))
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$resp .= fgets($socket, 4096);
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fclose($socket);
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// Split response header/data
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$resp = explode("\r\n\r\n", $resp);
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echo $resp[1]; // Output body
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}
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die();
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}
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// Get JSON data
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$json = new Moxiecode_JSON();
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$input = $json->decode($raw);
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// Execute RPC
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if (isset($config['general.engine'])) {
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$spellchecker = new $config['general.engine']($config);
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$result = call_user_func_array(array($spellchecker, $input['method']), $input['params']);
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} else
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die('{"result":null,"id":null,"error":{"errstr":"You must choose an spellchecker engine in the config.php file.","errfile":"","errline":null,"errcontext":"","level":"FATAL"}}');
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// Request and response id should always be the same
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$output = array(
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"id" => $input->id,
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"result" => $result,
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"error" => null
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);
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// Return JSON encoded string
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echo $json->encode($output);
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?>
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