Backend for checking uptime

1 files changed, 48 insertions, 0 deletions

diff --git a/isup/ajax.php b/isup/ajax.php
new file mode 100644
index 0000000..3e21a20
--- /dev/null
+++ b/isup/ajax.php
@@ -0,0 +1,48 @@
+<?php
+
+if( !isset($_REQUEST["action"]) || $_REQUEST["action"] == "" ){
+	header($_SERVER["SERVER_PROTOCOL"] . " 400 Bad Request");
+	header("X-Debug: Please define a action.");
+	exit;
+}
+if( !isset($_REQUEST["url"]) || $_REQUEST["url"] == "" ){
+	header($_SERVER["SERVER_PROTOCOL"] . " 400 Bad Request");
+	header("X-Debug: Please define a valid host.");
+	exit;
+}
+
+function ipv6($host){
+
+	if ( filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) ) {
+		return true;
+	}
+
+	return false;
+}
+
+switch($_REQUEST["action"]){
+	case("ping"):
+		require 'ping.php';
+		if ( ping( sanitizeHost($_REQUEST["url"]), ipv6($_REQUEST["url"]) ) ){
+			echo "up";
+		} else {
+			echo "down";
+		}
+		break;
+	case("http"):
+		require 'http.php';
+		if ( !ipv6($_REQUEST["url"]) && filter_var(sanitizeUrl($_REQUEST["url"]), FILTER_VALIDATE_URL, FILTER_FLAG_HOST_REQUIRED) === false ){
+			echo "not valid";
+		} else {
+			if( isUp($_REQUEST["url"]) ){
+				echo "up";
+			} else {
+				echo "down";
+			}
+		}
+		break;
+	default:
+		header($_SERVER["SERVER_PROTOCOL"] . " 400 Bad Request");
+		header("X-Debug: Please define a valid action.");
+		break;
+}