Sajax.php:
<?php
if (!isset($SAJAX_INCLUDED)) {
/*
* GLOBALS AND DEFAULTS
*
*/
$sajax_debug_mode = 0;
$sajax_export_list = array();
$sajax_request_type = "GET";
$sajax_remote_uri = "";
/*
* CODE
*
*/
function sajax_init() {
}
function sajax_get_my_uri() {
global $REQUEST_URI;
return $REQUEST_URI;
}
$sajax_remote_uri = sajax_get_my_uri();
function sajax_handle_client_request() {
global $sajax_export_list;
$mode = "";
if (! empty($_GET["rs"]))
$mode = "get";
if (!empty($_POST["rs"]))
$mode = "post";
if (empty($mode))
return;
if ($mode == "get") {
// Bust cache in the head
header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// always modified
header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header ("Pragma: no-cache"); // HTTP/1.0
$func_name = $_GET["rs"];
if (! empty($_GET["rsargs"]))
$args = $_GET["rsargs"];
else
$args = array();
}
else {
$func_name = $_POST["rs"];
if (! empty($_POST["rsargs"]))
$args = $_POST["rsargs"];
else
$args = array();
}
if (! in_array($func_name, $sajax_export_list))
echo "-:$func_name not callable";
else {
echo "+:";
$result = call_user_func_array($func_name, $args);
echo $result;
}
exit;
}
function sajax_get_common_js() {
global $sajax_debug_mode;
global $sajax_request_type;
global $sajax_remote_uri;
$t = strtoupper($sajax_request_type);
if ($t != "GET" && $t != "POST")
return "// Invalid type: $t.. \n\n";
ob_start();
?>
// remote scripting library
// (c) copyright 2005 modernmethod, inc
var sajax_debug_mode = <?php echo $sajax_debug_mode ? "true" : "false"; ?>;
var sajax_request_type = "<?php echo $t; ?>";
function sajax_debug(text) {
if (sajax_debug_mode)
alert("RSD: " + text)
}
function sajax_init_object() {
sajax_debug("sajax_init_object() called..")
var A;
try {
A=new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
A=new ActiveXObject("Microsoft.XMLHTTP");
} catch (oc) {
A=null;
}
}
if(!A && typeof XMLHttpRequest != "undefined")
A = new XMLHttpRequest();
if (!A)
sajax_debug("Could not create connection object.");
return A;
}
function sajax_do_call(func_name, args) {
var i, x, n;
var uri;
var post_data;
uri = "<?php echo $sajax_remote_uri; ?>";
if (sajax_request_type == "GET") {
if (uri.indexOf("?") == -1)
uri = uri + "?rs=" + escape(func_name);
else
uri = uri + "&rs=" + escape(func_name);
for (i = 0; i < args.length-1; i++)
uri = uri + "&rsargs[]=" + escape(args[i]);
uri = uri + "&rsrnd=" + new Date().getTime();
post_data = null;
} else {
post_data = "rs=" + escape(func_name);
for (i = 0; i < args.length-1; i++)
post_data = post_data + "&rsargs[]=" + escape(args[i]);
}
x = sajax_init_object();
x.open(sajax_request_type, uri, true);
if (sajax_request_type == "POST") {
x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
}
x.onreadystatechange = function() {
if (x.readyState != 4)
return;
sajax_debug("received " + x.responseText);
var status;
var data;
status = x.responseText.charAt(0);
data = x.responseText.substring(2);
if (status == "-")
alert("Error: " + data);
else
args[args.length-1](data);
}
x.send(post_data);
sajax_debug(func_name + " uri = " + uri + "/post = " + post_data);
sajax_debug(func_name + " waiting..");
delete x;
}
<?php
$html = ob_get_contents();
ob_end_clean();
return $html;
}
function sajax_show_common_js() {
echo sajax_get_common_js();
}
// javascript escape a value
function sajax_esc($val)
{
return str_replace('"', '\\\\"', $val);
}
function sajax_get_one_stub($func_name) {
ob_start();
?>
// wrapper for <?php echo $func_name; ?>
function x_<?php echo $func_name; ?>() {
sajax_do_call("<?php echo $func_name; ?>",
x_<?php echo $func_name; ?>.arguments);
}
<?php
$html = ob_get_contents();
ob_end_clean();
return $html;
}
function sajax_show_one_stub($func_name) {
echo sajax_get_one_stub($func_name);
}
function sajax_export() {
global $sajax_export_list;
$n = func_num_args();
for ($i = 0; $i < $n; $i++) {
$sajax_export_list[] = func_get_arg($i);
}
}
$sajax_js_has_been_shown = 0;
function sajax_get_javascript()
{
global $sajax_js_has_been_shown;
global $sajax_export_list;
$html = "";
if (! $sajax_js_has_been_shown) {
$html .= sajax_get_common_js();
$sajax_js_has_been_shown = 1;
}
foreach ($sajax_export_list as $func) {
$html .= sajax_get_one_stub($func);
}
return $html;
}
function sajax_show_javascript()
{
echo sajax_get_javascript();
}
$SAJAX_INCLUDED = 1;
}
?>
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