Security fix: unauthorized access (#10091)

* Security fix: unauthorized access
Affects nginx users:
Moved php files outside of public html directory (Apache was protected by .htaccess)

Affects all users:
Some files did not check for authentication and could disclose some info.
Better checks before including files from user input

* git mv html/includes/ includes/html
git mv html/pages/ includes/html/

html/network-map.php

@@ -18,6 +18,10 @@ $links = 1;
 $init_modules = array('web', 'auth');
 require realpath(__DIR__ . '/..') . '/includes/init.php';
 
+if (!LegacyAuth::check()) {
+    die('Unauthorized');
+}
+
 $options = getopt('d::');
 
 if (set_debug(isset($options['d']))) {