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Add error handling for idn_to_ascii in mta-sts.php

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Co-authored-by: DerLinkman <62480600+DerLinkman@users.noreply.github.com>
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copilot-swe-agent[bot] 2025-12-15 14:37:35 +00:00
parent 877bd73a94
commit 024d88e3c4
1 changed files with 6 additions and 0 deletions
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6
data/web/mta-sts.php
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@ -9,6 +9,12 @@ if (!isset($_SERVER['HTTP_HOST']) || strpos($_SERVER['HTTP_HOST'], 'mta-sts.') !
$host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
$domain = idn_to_ascii(strtolower(str_replace('mta-sts.', '', $host)), 0, INTL_IDNA_VARIANT_UTS46);
// Validate domain or return 404 on error
if ($domain === false || empty($domain)) {
http_response_code(404);
exit;
}
// Check if domain is an alias domain and resolve to target domain
$stmt = $pdo->prepare("SELECT `target_domain` FROM `alias_domain` WHERE `alias_domain` = :domain");
$stmt->execute(array(':domain' => $domain));