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Improvements on domain length check

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Pinga 2025-02-03 17:56:28 +02:00
parent aae8cad364
commit e3f5d9f94e
2 changed files with 48 additions and 18 deletions
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35
cp/bootstrap/helper.php
View file

@ -211,26 +211,41 @@ function validate_identifier($identifier) {
}
}
function isDomainValid(string $domain): bool {
// Split the domain into its labels (subdomains, SLD, etc.)
$labels = explode('.', $domain);
foreach ($labels as $label) {
if (strlen($label) > 63) { // or mb_strlen() if you need multibyte support
return false;
}
}
return true;
}
function validate_label($label, $db) {
if (!$label) {
return 'You must enter a domain name';
}
if (strlen($label) > 63) {
return 'Total lenght of your domain must be less then 63 characters';
if (!isDomainValid($label)) {
return 'Domain label is too long (exceeds 63 characters)';
}
if (strlen($label) < 2) {
return 'Total lenght of your domain must be greater then 2 characters';
$parts = extractDomainAndTLD($label);
$tld = "." . $parts['tld'];
if (strlen($parts['domain']) > 63) {
return 'Total length of your domain must be less then 63 characters';
}
if (strlen($parts['domain']) < 2) {
return 'Total length of your domain must be greater then 2 characters';
}
if (strpos($label, '.') === false) {
return 'Invalid domain name format, must contain at least one dot (.)';
}
if (strpos($label, 'xn--') === false && preg_match("/(^-|^\.|-\.|\.-|--|\.\.|-$|\.$)/", $label)) {
return 'Invalid domain name format, cannot begin or end with a hyphen (-)';
if (!preg_match('/^[a-zA-Z0-9].*[a-zA-Z0-9]$/', $parts['domain'])) {
return 'Domain name must start and end with an alphanumeric character';
}
if (strpos($parts['domain'], 'xn--') === false && preg_match("/(^-|^\.|-\.|\.-|--|\.\.|-$|\.$)/", $parts['domain'])) {
return 'Domain name cannot contain consecutive dashes (--) unless it is a punycode domain';
}
// Extract TLD from the domain and prepend a dot
$parts = extractDomainAndTLD($label);
$tld = "." . $parts['tld'];
// Check if the TLD exists in the domain_tld table
$tldExists = $db->select('SELECT COUNT(*) FROM domain_tld WHERE tld = ?', [$tld]);

31
epp/src/helpers.php
View file

@ -182,26 +182,41 @@ function validate_identifier($identifier) {
}
}
function isDomainValid(string $domain): bool {
// Split the domain into its labels (subdomains, SLD, etc.)
$labels = explode('.', $domain);
foreach ($labels as $label) {
if (strlen($label) > 63) { // or mb_strlen() if you need multibyte support
return false;
}
}
return true;
}
function validate_label($label, $pdo) {
if (!$label) {
return 'You must enter a domain name';
}
if (strlen($label) > 63) {
if (!isDomainValid($label)) {
return 'Domain label is too long (exceeds 63 characters)';
}
$parts = extractDomainAndTLD($label);
$tld = "." . $parts['tld'];
if (strlen($parts['domain']) > 63) {
return 'Total length of your domain must be less then 63 characters';
}
if (strlen($label) < 2) {
if (strlen($parts['domain']) < 2) {
return 'Total length of your domain must be greater then 2 characters';
}
if (strpos($label, '.') === false) {
return 'Invalid domain name format, must contain at least one dot (.)';
}
if (strpos($label, 'xn--') === false && preg_match("/(^-|^\.|-\.|\.-|--|\.\.|-$|\.$)/", $label)) {
return 'Invalid domain name format, cannot begin or end with a hyphen (-)';
if (!preg_match('/^[a-zA-Z0-9].*[a-zA-Z0-9]$/', $parts['domain'])) {
return 'Domain name must start and end with an alphanumeric character';
}
if (strpos($parts['domain'], 'xn--') === false && preg_match("/(^-|^\.|-\.|\.-|--|\.\.|-$|\.$)/", $parts['domain'])) {
return 'Domain name cannot contain consecutive dashes (--) unless it is a punycode domain';
}
// Extract TLD from the domain and prepend a dot
$parts = extractDomainAndTLD($label);
$tld = "." . $parts['tld'];
// Check if the TLD exists in the domain_tld table
$stmtTLD = $pdo->prepare("SELECT COUNT(*) FROM domain_tld WHERE tld = :tld");