/**
* Check if the email is valid.
*
* @param string $email
* @param bool $useExampleDomainCheck
* @param bool $useTypoInDomainCheck
* @param bool $useTemporaryDomainCheck
* @param bool $useDnsCheck (do not use, if you don't need it)
*
* @return bool
*/
public static function isValid($email, $useExampleDomainCheck = false, $useTypoInDomainCheck = false, $useTemporaryDomainCheck = false, $useDnsCheck = false)
{
// must be a string
if (!is_string($email)) {
return false;
}
// make sure string length is limited to avoid DOS attacks
$emailStringLength = strlen($email);
if ($emailStringLength >= 320 || $emailStringLength <= 2) {
return false;
}
unset($emailStringLength);
$email = str_replace(array('.', '＠'), array('.', '@'), $email);
if (strpos($email, '@') === false || strpos($email, '.') === false && strpos($email, ':') === false) {
return false;
}
if (!preg_match('/^(?<local>.*<?)(?:.*)@(?<domain>.*)(?:>?)$/', $email, $parts)) {
return false;
} else {
$local = $parts['local'];
$domain = $parts['domain'];
// Escaped spaces are allowed in the "local"-part.
$local = str_replace('\\ ', '', $local);
// Spaces in quotes e.g. "firstname lastname"@foo.bar are also allowed in the "local"-part.
$quoteHelperForIdn = false;
if (preg_match('/^"(?<inner>[^"]*)"$/mU', $local, $parts)) {
$quoteHelperForIdn = true;
$local = trim(str_replace($parts['inner'], str_replace(' ', '', $parts['inner']), $local), '"');
}
if (strpos($local, ' ') !== false || strpos($local, '".') !== false) {
return false;
}
if (function_exists('idn_to_ascii') && UTF8::max_chr_width($email) <= 3) {
$localTmp = idn_to_ascii($local);
if ($localTmp) {
$local = $localTmp;
}
unset($localTmp);
$domainTmp = idn_to_ascii($domain);
if ($domainTmp) {
$domain = $domainTmp;
}
unset($domainTmp);
} else {
static $punycode = null;
if ($punycode === null) {
$punycode = new Punycode();
}
$local = $punycode->encode($local);
$domain = $punycode->encode($domain);
}
if ($quoteHelperForIdn === true) {
$local = '"' . $local . '"';
}
$email = $local . '@' . $domain;
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
return false;
} else {
$valid = true;
}
if ($useExampleDomainCheck === true && self::isExampleDomain($domain) === true) {
return false;
}
if ($useTypoInDomainCheck === true && self::isTypoInDomain($domain) === true) {
return false;
}
if ($useTemporaryDomainCheck === true && self::isTemporaryDomain($domain) === true) {
return false;
}
if ($useDnsCheck === true && self::isDnsError($domain) === true) {
return false;
}
}
return $valid;
}
/**
* Encode a domain to its Punycode version
*
* @param string $input Domain name in Unicode to be encoded
*
* @return string Punycode representation in ASCII
*/
public function encode($input)
{
if ($this->idnSupport === true) {
return idn_to_ascii($input);
}
return self::$punycode->encode($input);
}
public function query($dmName, $force = false)
{
//'http://reports.internic.net/cgi/whois?whois_nic=baidu.com&type=domain';
$curl = new Curl();
$curl->setReferer($this->refererUrl);
$Punycode = new Punycode();
$page = $curl->get($this->url, array('whois_nic' => $Punycode->encode($dmName), 'type' => 'domain'));
return $this->parse($page);
}
public function query($dmName, $force = false)
{
//'https://whois.cnnic.net.cn/WhoisServlet?queryType=Domain&domain=teqhost.cn';
$curl = new Curl();
$curl->setReferer($this->refererUrl);
$curl->setOpt(CURLOPT_SSL_VERIFYPEER, false);
$Punycode = new Punycode();
$page = $curl->get($this->url, array('domain' => $Punycode->encode($dmName), 'queryType' => 'Domain'));
return $this->parse($page);
}
/**
* Extracts lower-case ASCII root domain from URL if it is available and valid, returns false otherwise
*
* @param string $url
* @return string|bool
*/
public static function getRootDomain($url)
{
$parsed = self::parseUrl($url);
if (isset($parsed['rootdomain']) && !empty($parsed['rootdomain'])) {
$punycode = new Punycode();
$rootDomain = $punycode->encode($parsed['rootdomain']);
return filter_var('http://' . $rootDomain, FILTER_VALIDATE_URL) ? strtolower($rootDomain) : false;
}
return false;
}
public function punycode(Request $request, Texts $textsModel, functions $functions)
{
$Punycode = new Punycode();
$method = $request->input('method');
$source = $request->input('source');
if ($method == '') {
$method = 'to_puny';
}
if ($method == "to_puny") {
$res = $Punycode->encode($source);
} else {
$res = $Punycode->decode($source);
}
$langLinks = $functions->giveLangLinks($request->url());
$params = $textsModel->getLocaleOf('punicode');
return view('indexuse', ['params' => $params, 'res' => $res, 'source' => $source, 'method' => $method, 'langLinks' => $langLinks]);
}
/**
* Checks an URL for validity, and punycode encode the returned component.
*
* @param string $url
* @param int $component
*
* @return string|false
*/
private static function parseUrl($url, $component)
{
if (!isset(self::$cache[$url]['url'])) {
// Strip protocol
$scheme = parse_url($url, PHP_URL_SCHEME);
$url = str_replace($scheme . '://', '', $url);
$url = str_replace($scheme . ':', '', $url);
// Punycode encode domain
$host = parse_url('http://' . $url, PHP_URL_HOST);
$punycode = new Punycode();
$url = str_replace($host, $punycode->encode($host), $url);
// Add back normalized protocol
$url = 'http://' . $url;
// Remove all illegal characters from a url
$url = filter_var($url, FILTER_SANITIZE_URL);
// Sanity check
if (($check = filter_var($url, FILTER_VALIDATE_URL)) === false) {
$url = false;
}
self::$cache[$url]['url'] = $url;
}
return parse_url(strtolower(self::$cache[$url]['url']), $component);
}
protected function isValidHostPattern(array $data)
{
$data = explode($this->delimiter, $this->punycode->encode(implode($this->delimiter, $data)));
$res = preg_grep('/^[0-9a-z]([0-9a-z-]{0,61}[0-9a-z])?$/i', $data, PREG_GREP_INVERT);
return 0 == count($res);
}
}
$slds = empty($key) ? '' : '.' . $key . $sep;
foreach ($value as $k => $v) {
$glued = glue($k . (empty($key) ? '' : '.' . $key), $v, $sep);
if ($glued === false) {
$slds .= 'HAI';
} else {
$slds .= !empty($glued) ? $glued : '';
}
}
return $slds;
} else {
return '.' . $key . $sep;
}
}
$tlds = explode($sep, glue('', (array) $publicSuffixList, $sep));
}
// Edge case where a roottld is also on blocklist
foreach ($tlds as $k => $tld) {
if (Nabble\SemaltBlocker\Blocker::isUrlOnBlocklist('http://www.' . $tld)) {
unset($tlds[$k]);
}
}
$tldsString = trim(implode($sep, $tlds), $sep);
$tldsString = $punycode->encode(html_entity_decode($tldsString));
$domainParserContents = file_get_contents($domainParserFile);
$regex = '/private static \\$suffixList = .*;/';
$domainParserContents = preg_replace($regex, 'private static $suffixList = \'' . $tldsString . '\';', $domainParserContents);
file_put_contents($domainParserFile, $domainParserContents);
echo "Got " . count($tlds) . " root tld's, done.\n";
exit;