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🐛 fix php-warnings on empty search #16

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DrMaxNix merged 1 commits from DrMaxNix-patch-1 into main 2021-12-22 19:59:30 +01:00
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1 changed files with 5 additions and 5 deletions
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8
lookup/index.php
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@ -8,12 +8,12 @@
require(CMS_path("//config/nameserver.php")); //load config file at 'dnswatch/config/nameserver.php'
// GET DOMAIN TO SEARCH FOR //
$__domain = base64_decode($_POST["domain"]);
// GET DOMAIN TO SEARCH FOR (IF IT IS SET) //
$__domain = (isset($_POST["domain"]) ? base64_decode($_POST["domain"]) : NULL);
// CHECK SYNTAX //
if(preg_match("/^([a-z0-9\-]{1,64}\.){1,16}[a-z0-9]{2,}$/", $__domain)){
// CHECK IF SET AND FOR SYNTAX //
if($__domain !== NULL and preg_match("/^([a-z0-9\-]{1,64}\.){1,16}[a-z0-9]{2,}$/", $__domain)){
//filter again for security
$__domain = STR_filter($__domain, "abcdefghijklmnopqrstuvwxyz0123456789-."); //remove all chars in $__domain which are not contained in this list