router.php
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<?php
/**
* router.php
* http://www.ibm.com/developerworks/opensource/library/wa-aj-streamline/
* @version $Id: router.php 687 2011-12-24 14:36:27Z elena $
*/
require('config.php');
class ExtAction {
public $action;
public $method;
public $data;
public $tid;
}
function doRpc($cdata){
global $API;
try {
if(!isset($API[$cdata->action])) {
throw new Exception('Call to undefined action: ' . $cdata->action);
}
$action = $cdata->action;
$a = $API[$action];
doAroundCalls($a['before'], $cdata);
$method = $cdata->method;
$mdef = $a['methods'][$method];
if(!$mdef){
throw new Exception("Call to undefined method: $method on action $action");
}
doAroundCalls($mdef['before'], $cdata);
$r = array(
'type'=>'rpc',
'tid'=>$cdata->tid,
'action'=>$action,
'method'=>$method
);
$o = new $action();
$params = isset($cdata->data) && is_array($cdata->data) ?
$cdata->data : array();
$r['result'] = call_user_func_array(array($o, $method), $params);
doAroundCalls($mdef['after'], $cdata, $r);
doAroundCalls($a['after'], $cdata, $r);
} catch(Exception $e) {
$r['type'] = 'exception';
$r['message'] = $e->getMessage();
$r['where'] = $e->getTraceAsString();
}
return $r;
}
function doAroundCalls(&$fns, &$cdata, &$returnData=null) {
if(!$fns) {
return;
}
if(is_array($fns)) {
foreach($fns as $f) {
$f($cdata, $returnData);
}
} else {
$fns($cdata, $returnData);
}
}
/**
* Main
*/
define('log',fopen('log','w'));
$isForm = false;
$isUpload = false;
/*
* artificial truc to get $HTTP_RAW_POST_DATA from POST AJAX
*/
if ($_SERVER['REQUEST_METHOD'] === 'POST' && !isset($_POST['extAction'])) {
// Read the input from stdin
$HTTP_RAW_POST_DATA = trim(file_get_contents('php://input'));
}
if(!isset($_GET['sessionID'])) die('NO SESSION ID SPECIFIED');
$usrMgr = new UserMgr();
$usrMgr->setPath();
if (isset($HTTP_RAW_POST_DATA)) {
header('Content-Type: text/javascript');
$data = json_decode($HTTP_RAW_POST_DATA);
} else if(isset($_POST['extAction'])) {
$isForm = true;
$isUpload = $_POST['extUpload'] == 'true';
$data = new ExtAction();
$data->action = $_POST['extAction'];
$data->method = $_POST['extMethod'];
$data->tid = isset($_POST['extTID']) ? $_POST['extTID'] : null;
$data->data = array($_POST, $_FILES);
}
else {
die('INVALID REQUEST');
}
// $RRR = print_r($data->data, true);
// $RRR = print_r($data, true);
// fwrite(log,$RRR.PHP_EOL);
$response = null;
if(is_array($data)) {
$response = array();
foreach($data as $d) {
$response[] = doRpc($d);
}
} else {
$response = doRpc($data);
}
if($isForm && $isUpload) {
echo '<html><body><textarea>';
echo json_encode($response);
echo '</textarea></body></html>';
} else {
echo json_encode($response);
}
fclose(log);
?>