functions net.php: add Tor connections to secure connections

inc/functions/net.php

@@ -3,8 +3,15 @@ namespace Vichan\Functions\Net;
 
 
 /**
- * @return bool Returns if the client-server connection is an encrypted one (HTTPS).
+ * @return bool Returns if the client-server connection is an HTTPS one.
  */
-function is_connection_secure(): bool {
+function is_connection_https(): bool {
 	return !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off';
 }
+
+/**
+ * @return bool Returns if the client-server connection is an encrypted one (HTTPS or Tor loopback).
+ */
+function is_connection_secure(): bool {
+	return is_connection_https() || (!empty($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] === '127.0.0.1');
+}

inc/mod/auth.php

@@ -107,7 +107,7 @@ function setCookies() {
 	if (!$mod)
 		error('setCookies() was called for a non-moderator!');
 
-	$is_https = Net\is_connection_secure();
+	$is_https = Net\is_connection_https();
 
 	setcookie($config['cookies']['mod'],
 			$mod['username'] . // username
@@ -120,7 +120,7 @@ function setCookies() {
 
 function destroyCookies() {
 	global $config;
-	$is_https = Net\is_connection_secure();
+	$is_https = Net\is_connection_https();
 	// Delete the cookies
 	setcookie($config['cookies']['mod'], 'deleted', time() - $config['cookies']['expire'], $config['cookies']['jail']?$config['cookies']['path'] : '/', null, $is_https, true);
 }