[WIP] Improve cron validation function, cron helpers and cron input errors

bootstrap/helpers/shared.php

@@ -48,7 +48,6 @@
 use Lcobucci\JWT\Token\Builder;
 use phpseclib3\Crypt\EC;
 use phpseclib3\Crypt\RSA;
-use Poliander\Cron\CronExpression;
 use PurplePixie\PhpDns\DNSQuery;
 use Spatie\Url\Url;
 use Symfony\Component\Yaml\Yaml;
@@ -341,22 +340,23 @@ function isCloud(): bool
     return ! config('constants.coolify.self_hosted');
 }
 
-function translate_cron_expression($expression_to_validate): string
-{
-    if (isset(VALID_CRON_STRINGS[$expression_to_validate])) {
-        return VALID_CRON_STRINGS[$expression_to_validate];
-    }
 
     return $expression_to_validate;
 }
+
 function validate_cron_expression($expression_to_validate): bool
 {
     if (empty($expression_to_validate)) {
         return false;
     }
+
     $isValid = false;
-    $expression = new CronExpression($expression_to_validate);
-    $isValid = $expression->isValid();
+    try {
+        $expression = new CronExpression($expression_to_validate);
+        $isValid = $expression->isValid();
+    } catch (\Exception $e) {
+        return false;
+    }
 
     if (isset(VALID_CRON_STRINGS[$expression_to_validate])) {
         $isValid = true;