From 339e32424fa60fc0c99a4c10890abef139444f6d Mon Sep 17 00:00:00 2001 From: Marien Fressinaud Date: Thu, 23 Jul 2015 12:38:22 +0200 Subject: Add a simple test to detect if server is public If the server is not accessible by an external server, pubsubhubbub should be disable. See https://github.com/FreshRSS/FreshRSS/issues/865 --- lib/lib_rss.php | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'lib') diff --git a/lib/lib_rss.php b/lib/lib_rss.php index c99e2c7e8..2a23fca45 100644 --- a/lib/lib_rss.php +++ b/lib/lib_rss.php @@ -83,6 +83,33 @@ function checkUrl($url) { } } + +/** + * Test if a given server address is publicly accessible. + * + * Note: for the moment it tests only if address is corresponding to a + * localhost address. + * + * @param $address the address to test, can be an IP or a URL. + * @return true if server is accessible, false else. + * @todo improve test with a more valid technique (e.g. test with an external server?) + */ +function server_is_public($address) { + $host = parse_url($address, PHP_URL_HOST); + + $is_public = !in_array($host, array( + '127.0.0.1', + 'localhost', + 'localhost.localdomain', + '[::1]', + 'localhost6', + 'localhost6.localdomain6', + )); + + return $is_public; +} + + function format_number($n, $precision = 0) { // number_format does not seem to be Unicode-compatible return str_replace(' ', ' ', //Espace fine insécable -- cgit v1.2.3