fix domain validator, search with "alive" ("a") option in GET

lib/checker.php

@@ -48,4 +48,3 @@ class Checker implements Task {
         return $ts;
     }
 }
-

lib/utils.php

@@ -168,12 +168,12 @@ class Utils {
             return false;
         }
 
-        if(filter_var($data, FILTER_VALIDATE_DOMAIN) !== false && preg_match('/\.i2p$/', $data)) {
-            return true;
+        if(filter_var($data, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME) === false || !preg_match('/\.i2p$/', $data)) {
+            $result = "Domain is not valid. The label must be less than 63 characters long, contain only alphanumerics or hyphens and end with .i2p.";
+            return false;
         }
 
-        $result = "Domain is not valid. Check if you domain label is lesser than 63 chars and it ends with .i2p.";
-        return false;
+        return true;
     }
 
     public static function verifyHostRecord(string $data, &$output): bool {

views/search.php

@@ -25,7 +25,7 @@ if (isset($query) && strlen($query) > 67 || isset($_POST["q"]) && strlen($_POST[
     $q = htmlspecialchars($_POST["q"]);
 }
 
-if (isset($_POST["a"]))
+if (isset($_POST["a"]) || isset($_GET["a"]))
     $a = true;
 
 if (isset($_POST["all"]) || isset($_GET["all"]))