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manage/php/device/stream_verify.php

@@ -0,0 +1,57 @@
+<?php
+
+function stream_verify($ip, $port, $path)
+{
+	if(filter_var($ip, FILTER_VALIDATE_IP) === false) {
+	    $temp = getAddresses_www( $ip);
+
+	    if(count($temp) == 0)
+	    	return false;
+	    else
+	    	$ip = $temp[0];
+	}
+
+	$response = get_headers("http://" . $ip . ":" . $port . "/" . $path);
+
+	if(get_http_response_code($response) != 200 && !if_http_audio($response))
+	{
+		return false;
+	}
+	else
+	{
+		return $ip;
+	}	
+}
+
+function get_http_response_code($headers) {
+    return substr($headers[0], 9, 3);
+}
+
+function if_http_audio($headers) {
+    $type = substr($headers[3], 14);
+    $arr = explode("/", $type);
+    return $arr[0] == "audio";
+}
+
+function getAddresses($domain) {
+  $records = dns_get_record($domain);
+  $res = array();
+  foreach ($records as $r) {
+    if ($r['host'] != $domain) continue; // glue entry
+    if (!isset($r['type'])) continue; // DNSSec
+
+    if ($r['type'] == 'A') $res[] = $r['ip'];
+    if ($r['type'] == 'AAAA') $res[] = $r['ipv6'];
+  }
+  return $res;
+}
+
+function getAddresses_www($domain) {
+  $res = getAddresses($domain);
+  if (count($res) == 0) {
+    $res = getAddresses('www.' . $domain);
+  }
+  return $res;
+}
+
+?>