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Support final dot for DNS names

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Daniil Gentili 2019-05-14 19:09:51 +02:00 committed by GitHub
parent cb65162596
commit 54f53e2663
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1 changed files with 4 additions and 2 deletions
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6
lib/functions.php
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@ -84,7 +84,7 @@ function isValidName(string $name)
*/
function normalizeName(string $name): string
{
static $pattern = '/^(?<name>[a-z0-9]([a-z0-9-_]{0,61}[a-z0-9])?)(\.(?&name))*$/i';
static $pattern = '/^(?<name>[a-z0-9]([a-z0-9-_]{0,61}[a-z0-9])?)(\.(?&name))*\.?$/i';
if (\function_exists('idn_to_ascii') && \defined('INTL_IDNA_VARIANT_UTS46')) {
if (false === $result = \idn_to_ascii($name, 0, \INTL_IDNA_VARIANT_UTS46)) {
@ -102,6 +102,8 @@ function normalizeName(string $name): string
if (isset($name[253]) || !\preg_match($pattern, $name)) {
throw new InvalidNameException("Name '{$name}' is not a valid hostname.");
}
if ($name[strlen($name)-1] === '.') {
$name = substr($name, 0, -1);
}
return $name;
}