tform->wordbook[$errmsg])) {
return $app->tform->wordbook[$errmsg]."
\r\n";
} else {
return $errmsg."
\r\n";
}
}
/**
* Validator function for private DKIM-Key
*/
function check_private_key($field_name, $field_value, $validator) {
$dkim_enabled=$_POST['dkim'];
if ($dkim_enabled == 'y') {
if (empty($field_value)) return $this->get_error($validator['errmsg']);
exec('echo '.escapeshellarg($field_value).'|openssl rsa -check', $output, $result);
if($result != 0) return $this->get_error($validator['errmsg']);
}
}
/**
* Check function for DNS-Template
*/
function check_template($field_name, $field_value, $validator) {
$dkim=false;
if(is_array($field_value) && !empty($field_value)){
foreach($field_value as $field ) { if($field == 'DKIM') $dkim=true; }
if ($dkim && $field_value[0]!='DOMAIN') return $this->get_error($validator['errmsg']);
}
}
/**
* Validator function for $_POST
*
* @return boolean - true if $POST contains a real key-file
*/
function validate_post($key, $value, $dkim_strength) {
$value=str_replace(array("\n", "-----BEGIN RSA PRIVATE KEY-----", "-----END RSA PRIVATE KEY-----", " "), "", $value);
switch ($key) {
case 'public':
if (preg_match("/(^-----BEGIN PUBLIC KEY-----)[a-zA-Z0-9\r\n\/\+=]{1,221}(-----END PUBLIC KEY-----(\n|\r)?$)/", $value) === 1) { return true; } else { return false; }
break;
case 'private':
if ( $dkim_strength == 1024 ) $range = "{812,816}";
if ( $dkim_strength == 2048 ) $range = "{1588,1592}";
if ( $dkim_strength == 4096 ) $range = "{3132,3136}";
if ( preg_match("/^[a-zA-Z0-9\/\+=]".$range."$/", $value ) === 1) return true; else return false;
break;
}
}
}