catch all throwables

Author: simonLeary42

resources/lib/UnitySite.php

@@ -56,20 +56,10 @@ public static function testValidSSHKey($key_str)
         if ($key_str == "") {
             return false;
         }
-        // https://github.com/phpseclib/phpseclib/issues/2077
-        // key loader still throws exception, this just mutes a warning for phpunit
-        if (preg_match("/^[0-9]+$/", $key_str)) {
-            return false;
-        }
-        // https://github.com/phpseclib/phpseclib/issues/2076
-        // key loader still throws exception, this just mutes a warning for phpunit
-        if (!is_null(@json_decode($key_str))) {
-            return false;
-        }
         try {
             PublicKeyLoader::load($key_str);
             return true;
-        } catch (\Exception $e) {
+        } catch (\Throwable $e) {
             return false;
         }
     }