secure sendy subscribe

1a2
>     include('../_connect.php');
269a271
>       $bypass_opt_in = !$subform &&  $_POST['silent']=='true';
276,277c278,279
<                       $list_name = $row['name'];
<                       $opt_in = $_POST['silent']=='true' ? 0 : $row['opt_in'];
---
>                       $list_name = $row['name'];
>                       $opt_in = $bypass_opt_in ? 0 : $row['opt_in'];
339c341
<
---
>       $not_a_bot = false;
361a364,371
>                       else
>                       {
>                               $not_a_bot = true;
>                       }
>               }
>               else
>               {
>                       $not_a_bot = true;
420a431,450
>       else
>       {
>               if(isset($_POST['api_key'])) $api_key = mysqli_real_escape_string($mysqli, $_POST['api_key']);
>               else $api_key = null;
>
>               if($api_key==null)
>               {
>                       echo 'API key not passed',
>                       exit;
>               }
>               else if(!verify_api_key($api_key))
>               {
>                       echo 'Invalid API key'
>                       exit;
>               }
>               else
>               {
>                       $not_a_bot = true;
>               }
>       }
422c452
<       if($feedback!=_('Some fields are missing.') && $feedback!=_('Email address is invalid.') && $feedback!=_('Consent not given.') && $feedback!=_('Failed reCAPTCHA test.') && $feedback!=_('Invalid secret key.'))
---
>       if($not_a_bot && $feedback!=_('Some fields are missing.') && $feedback!=_('Email address is invalid.') && $feedback!=_('Consent not given.') && $feedback!=_('Failed reCAPTCHA test.') && $feedback!=_('Invalid secret key.'))