Use more PAGE_URL

fn/common.php

@@ -84,10 +84,7 @@ function displayIndex() { ?>
 }
 
 function redirUrl($pageId) {
-	$currentPath = '';
-	if (SERVICE !== '.') $currentPath .= SERVICE . '/';
-	if (PAGE !== 'index') $currentPath .= PAGE;
-	return CONF['common']['prefix'] . "/$pageId?redir=$currentPath";
+	return CONF['common']['prefix'] . '/' . $pageId . '?redir=' . PAGE_URL;
 }
 
 function redir() {

router.php

@@ -4,12 +4,13 @@ define("CONF", parse_ini_file(__DIR__ . "/config.ini", true, INI_SCANNER_TYPED))
 
 foreach (array_diff(scandir(CONF['common']['root_path'] . "/fn"), array('..', '.')) as $file)
 	require CONF['common']['root_path'] . '/fn/' . $file;
+require "pages.php";
 
 define("DB_PATH", CONF['common']['root_path'] . "/db/niver.db");
 
-define("PLACEHOLDER_DOMAIN", "example"); // From RFC2606: Reserved Top Level DNS Names > 2. TLDs for Testing, & Documentation Examples
-define("PLACEHOLDER_IPV6", "2001:db8::3"); // From RFC3849: IPv6 Address Prefix Reserved for Documentation
-define("PLACEHOLDER_IPV4", "203.0.113.42"); // From RFC5737: IPv4 Address Blocks Reserved for Documentation
+const PLACEHOLDER_DOMAIN = 'example'; // From RFC2606: Reserved Top Level DNS Names > 2. TLDs for Testing, & Documentation Examples
+const PLACEHOLDER_IPV6 = '2001:db8::3'; // From RFC3849: IPv6 Address Prefix Reserved for Documentation
+const PLACEHOLDER_IPV4 = '203.0.113.42'; // From RFC5737: IPv4 Address Blocks Reserved for Documentation
 
 if ($_SERVER['REQUEST_URI'] === '/sftpgo-auth.php')
 	return;
@@ -19,15 +20,12 @@ if (strpos($pageAddress, "?") !== false) {
 	parse_str(substr($pageAddress, strpos($pageAddress, "?") + 1), $_GET);
 	$pageAddress = substr($pageAddress, 0, strpos($pageAddress, "?"));
 }
-
 define("PAGE_URL", $pageAddress);
 define("PAGE_ADDRESS", $pageAddress . ((substr($pageAddress, -1) === '/' OR $pageAddress === '') ? 'index' : ''));
 define("PAGE_LINEAGE", explode('/', PAGE_ADDRESS));
 define("SERVICE", dirname(PAGE_ADDRESS));
 define("PAGE", basename(PAGE_ADDRESS, '.php'));
 
-require "pages.php";
-
 function getTitlesLineage($titles, $pageElements) {
 	if (!isset($titles['index']) OR $pageElements[0] === 'index')
 		return [$titles[$pageElements[0]] ?? false];
@@ -50,9 +48,7 @@ if (!TITLES_LINEAGE[array_key_last(TITLES_LINEAGE)]) {
 if (
 		isset($_COOKIE['niver-session-key']) // Resume session
 	OR
-		(SERVICE === "auth" // Create new session
-		AND (PAGE === "login" OR PAGE === "register")
-		AND isset($_POST['username']))
+		(isset($_POST['username']) AND in_array(PAGE_URL, ['auth/login', 'auth/register'])) // Start new session
 	) {
 	session_start([
 		'name' => 'niver-session-key',