pfSense

<?php

if(Connection_Aborted()) {

	exit;

}

class sajax {

	var $sajax_debug_mode = 0;

	var $sajax_export_list = array();

	var $sajax_request_type = "GET";

	var $sajax_remote_uri = "";

	var $sajax_js_has_been_shown = 0;

	/**

	 * PHP 5 Constructor

	 *

	 * @param string $remoteURI

	 */

	function __construct($remoteURI = NULL)

	{

		if (!isset($remoteURL))

			$this->sajax_remote_uri = $this->sajax_get_my_uri();

	}

	/**

	 * PHP 4 Constructor

	 *

	 * @param string $remoteURI

	 */

	function sajax($remoteURI = NULL)

	{

		$this->__construct($$remoteURI);

	}

	/**

	 *

	 *

	 */

	function sajax_get_my_uri()

	{

		global $REQUEST_URI;

		return $REQUEST_URI;

	}

	function sajax_handle_client_request() {

		$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, $this->sajax_export_list))

			echo "-:$func_name not callable";

		else {

			echo "+:";

			$result = call_user_func_array($func_name, $args);

			echo $result;

		}

		exit;

	} // End sajax_handle_client_request() function ...

	function sajax_get_common_js() {

		$t = strtoupper($this->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 $this->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 $this->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 $this->sajax_get_common_js();

	}

	function sajax_esc($val)

	{

		return str_replace('"', '\\\\"', $val);

	}

	/**

	 * sajax_get_one_stub

	 *

	 * @param string $func_name

	 */

	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);

	}

	/**

	 * export user functions to sajax ...

	 *

	 */

	function sajax_export() {

		$n = func_num_args();

		for ($i = 0; $i < $n; $i++) {

			$this->sajax_export_list[] = func_get_arg($i);

		}

	}

	function sajax_get_javascript()

	{

		$html = "";

		if (! $this->sajax_js_has_been_shown) {

			$html .= $this->sajax_get_common_js();

			$this->sajax_js_has_been_shown = 1;

		}

		foreach ($this->sajax_export_list as $func) {

			$html .= $this->sajax_get_one_stub($func);

		}

		return $html;

	}

	function sajax_show_javascript()

	{

		echo $this->sajax_get_javascript();

	}

} // End sajax class

?>