From 882b694e06acd389dd74f7a7d9b70ada0fd218d5 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 8 Oct 2024 16:22:17 +0200
Subject: [webinterface] Add support for ACME, add option to redirect to cert
 domain

---
 index.php | 52 +++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 35 insertions(+), 17 deletions(-)

(limited to 'index.php')

diff --git a/index.php b/index.php
index 6b5305b2..c8542b80 100644
--- a/index.php
+++ b/index.php
@@ -19,6 +19,33 @@ require_once('inc/user.inc.php');
 
 $global_start = microtime(true);
 
+// Set variable if this is an ajax request
+if ((isset($_REQUEST['async'])) || (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest')) {
+	define('AJAX', true);
+} else {
+	define('AJAX', false);
+}
+define('API', false);
+
+// Autoload classes from ./inc which adhere to naming scheme <lowercasename>.inc.php
+spl_autoload_register(function ($class) {
+	$file = 'inc/' . preg_replace('/[^a-z0-9]/', '', mb_strtolower($class)) . '.inc.php';
+	if (!file_exists($file))
+		return;
+	require_once $file;
+});
+
+if (($_GET['do'] ?? '') === '_https_magic') {
+	Header('Access-Control-Allow-Origin: *');
+	Header('Content-Type: application/json');
+	$ut = floor(Util::osUptime() / 3);
+	$str = Property::getServerIp() . serialize(Property::getVmStoreConfig());
+	die(json_encode([
+		'a' => md5($ut . $str),
+		'b' => md5(($ut - 1) . $str),
+	]));
+}
+
 /**
  * Page class which all module's pages must be extending from
  */
@@ -90,23 +117,6 @@ abstract class Page
 
 }
 
-// Set variable if this is an ajax request
-if ((isset($_REQUEST['async'])) || (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest')) {
-	define('AJAX', true);
-} else {
-	define('AJAX', false);
-}
-define('API', false);
-
-// Autoload classes from ./inc which adhere to naming scheme <lowercasename>.inc.php
-spl_autoload_register(function ($class) {
-	$file = 'inc/' . preg_replace('/[^a-z0-9]/', '', mb_strtolower($class)) . '.inc.php';
-	if (!file_exists($file))
-		return;
-	require_once $file;
-});
-
-
 if (defined('CONFIG_DEBUG') && CONFIG_DEBUG) {
 	set_error_handler(function ($errno, $errstr, $errfile, $errline) {
 		if (preg_match('/^\[skip:\s*(\d+)\]\s*(.*)/is', $errstr, $out)) {
@@ -237,5 +247,13 @@ if (CONFIG_DEBUG) {
 	), 'main');
 }
 
+// Redirect if not accessed via proper domain
+if ($_SERVER['REQUEST_METHOD'] === 'GET' && ($host = Util::shouldRedirectDomain()) !== null) {
+	Render::addTemplate('domain-redirect-check', [
+		'magic' => md5((string)floor(Util::osUptime() / 3) . Property::getServerIp() . serialize(Property::getVmStoreConfig())),
+		'host' => $host,
+	], 'main');
+}
+
 // Send page to client.
 Render::output();
-- 
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