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Universal Acceptance Update (2/3)

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Pinga 2024-11-01 13:19:43 +02:00
parent 4fa1289334
commit f60b59b00b
4 changed files with 53 additions and 18 deletions
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35
cp/bootstrap/helper.php
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@ -541,4 +541,39 @@ function validateLocField($input, $minLength = 5, $maxLength = 255) {
return mb_strlen($input) >= $minLength &&
mb_strlen($input) <= $maxLength &&
preg_match($locRegex, $input);
}
function validateUniversalEmail($email) {
// Normalize the email to NFC form to ensure consistency
$email = \Normalizer::normalize($email, \Normalizer::FORM_C);
// Remove any control characters
$email = preg_replace('/[\p{C}]/u', '', $email);
// Split email into local and domain parts
$parts = explode('@', $email, 2);
if (count($parts) !== 2) {
return false; // Invalid email format
}
list($localPart, $domainPart) = $parts;
// Convert the domain part to Punycode if it contains non-ASCII characters
if (preg_match('/[^\x00-\x7F]/', $domainPart)) {
$punycodeDomain = idn_to_ascii($domainPart, IDNA_DEFAULT, INTL_IDNA_VARIANT_UTS46);
if ($punycodeDomain === false) {
return false; // Invalid domain part, failed conversion
}
} else {
$punycodeDomain = $domainPart;
}
// Reconstruct the email with the Punycode domain part (if converted)
$emailToValidate = $localPart . '@' . $punycodeDomain;
// Updated regex for both ASCII and IDN email validation
$emailPattern = '/^[\p{L}\p{N}\p{M}._%+-]+@([a-zA-Z0-9-]+|\bxn--[a-zA-Z0-9-]+)(\.([a-zA-Z0-9-]+|\bxn--[a-zA-Z0-9-]+))+$/u';
// Validate using regex
return preg_match($emailPattern, $emailToValidate);
}