From 314d1ca923f88ad3f3f97262145013dbc4caca11 Mon Sep 17 00:00:00 2001
From: xiaomlove <i353856593@163.com>
Date: Sat, 13 May 2023 01:59:51 +0800
Subject: [PATCH] fix signup 500 when close register

---
 include/constants.php |  2 +-
 include/functions.php | 12 ++++++------
 public/signup.php     |  5 ++++-
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/include/constants.php b/include/constants.php
index c6e72adb..62fe6632 100644
--- a/include/constants.php
+++ b/include/constants.php
@@ -1,6 +1,6 @@
 <?php
 defined('VERSION_NUMBER') || define('VERSION_NUMBER', '1.8.3');
-defined('RELEASE_DATE') || define('RELEASE_DATE', '2023-05-12');
+defined('RELEASE_DATE') || define('RELEASE_DATE', '2023-05-13');
 defined('IN_TRACKER') || define('IN_TRACKER', false);
 defined('PROJECTNAME') || define("PROJECTNAME","NexusPHP");
 defined('NEXUSPHPURL') || define("NEXUSPHPURL","https://nexusphp.org");
diff --git a/include/functions.php b/include/functions.php
index 6c5340e2..c4cbe247 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -1610,7 +1610,7 @@ function failedloginscheck ($type = 'Login') {
 	list($total) = mysql_fetch_array($Query);
 	if ($total >= $maxloginattempts) {
 		sql_query("UPDATE loginattempts SET banned = 'yes' WHERE ip=$ip") or sqlerr(__FILE__, __LINE__);
-		stderr($type.$lang_functions['std_locked'].$type.$lang_functions['std_attempts_reached'], $lang_functions['std_your_ip_banned']);
+		stderr($type.$lang_functions['std_locked'].$type.$lang_functions['std_attempts_reached'], $lang_functions['std_your_ip_banned'], true, true);
 	}
 }
 function failedlogins ($type = 'login', $recover = false, $head = true)
@@ -1678,13 +1678,13 @@ function registration_check($type = "invitesystem", $maxuserscheck = true, $ipch
 	global $invitesystem, $registration, $maxusers, $SITENAME, $maxip;
 	if ($type == "invitesystem") {
 		if ($invitesystem == "no") {
-			stderr($lang_functions['std_oops'], $lang_functions['std_invite_system_disabled'], 0, false);
+			stderr($lang_functions['std_oops'], $lang_functions['std_invite_system_disabled'], 0, true);
 		}
 	}
 
 	if ($type == "normal") {
 		if ($registration == "no") {
-			stderr($lang_functions['std_sorry'], $lang_functions['std_open_registration_disabled'], 0, false);
+			stderr($lang_functions['std_sorry'], $lang_functions['std_open_registration_disabled'], 0, true);
 		}
 	}
 
@@ -1692,14 +1692,14 @@ function registration_check($type = "invitesystem", $maxuserscheck = true, $ipch
 		$res = sql_query("SELECT COUNT(*) FROM users") or sqlerr(__FILE__, __LINE__);
 		$arr = mysql_fetch_row($res);
 		if ($arr[0] >= $maxusers)
-		stderr($lang_functions['std_sorry'], $lang_functions['std_account_limit_reached'], 0, false);
+		stderr($lang_functions['std_sorry'], $lang_functions['std_account_limit_reached'], 0, true);
 	}
 
 	if ($ipcheck) {
 		$ip = getip () ;
 		$a = (@mysql_fetch_row(@sql_query("select count(*) from users where ip='" . mysql_real_escape_string($ip) . "'"))) or sqlerr(__FILE__, __LINE__);
 		if ($a[0] > $maxip)
-		stderr($lang_functions['std_sorry'], $lang_functions['std_the_ip']."<b>" . htmlspecialchars($ip) ."</b>". $lang_functions['std_used_many_times'],false, false);
+		stderr($lang_functions['std_sorry'], $lang_functions['std_the_ip']."<b>" . htmlspecialchars($ip) ."</b>". $lang_functions['std_used_many_times'],false, true);
 	}
 	return true;
 }
@@ -2912,7 +2912,7 @@ function stdfoot() {
 	global $hook;
 	print("</td></tr></table>");
 	print("<div id=\"footer\">");
-	if ($Advertisement->enable_ad()){
+	if ($Advertisement && $Advertisement->enable_ad()){
 			$footerad=$Advertisement->get_ad('footer');
 			if ($footerad)
 			echo "<div align=\"center\" style=\"margin-top: 10px\" id=\"\">".$footerad[0]."</div>";
diff --git a/public/signup.php b/public/signup.php
index 736bfadf..6b5bc0d9 100644
--- a/public/signup.php
+++ b/public/signup.php
@@ -23,7 +23,10 @@ if ($type == 'invite')
 {
 	registration_check();
 	failedloginscheck ("Invite signup");
-	$code = $_GET["invitenumber"];
+	$code = $_GET["invitenumber"] ?? '';
+    if (empty($code)) {
+        stderr($lang_signup['std_error'], "Require invitenumber");
+    }
 
 	$nuIP = getip();
 	$dom = @gethostbyaddr($nuIP);