Файловый менеджер

Файловый менеджер - Редактировать - /home/pimjdymy/public_html/safrandsi/vendor/voku/email-check/src/voku/helper/EmailCheck.php

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<?php declare(strict_types=1); namespace voku\helper; /** * E-Mail Check Class * * -> use "EmailCheck::isValid()" to validate a email-address * * @copyright Copyright (c) 2018, Lars Moelleken (http://moelleken.org/) * @license http://opensource.org/licenses/MIT MIT License / class EmailCheck { /* * @var array\|null / protected static $domainsExample = null; /* * @var array\|null / protected static $domainsTemporary = null; /* * @var array\|null / protected static $domainsTypo = null; /* * @var bool / protected static $useDnsCheck = true; /* * Check if the domain has a MX- or A-record in the DNS. * * @param string $domain * * @throws \Exception * * @return bool / public static function isDnsError(string $domain): bool { if (\function_exists('checkdnsrr')) { /* @noinspection IfReturnReturnSimplificationInspection / $mxFound = \checkdnsrr($domain . '.', 'MX'); if ($mxFound === true) { return false; } $aFound = \checkdnsrr($domain . '.', 'A'); /* @noinspection IfReturnReturnSimplificationInspection / if ($aFound === true) { return false; } return true; } throw new \Exception(' Can\'t call checkdnsrr'); } /* * Check if the domain is a example domain. * * @param string $domain * * @return bool / public static function isExampleDomain(string $domain): bool { if (self::$domainsExample === null) { self::$domainsExample = self::getData('domainsExample'); } if (\in_array($domain, self::$domainsExample, true)) { return true; } return false; } /* * Check if the domain is a temporary domain. * * @param string $domain * * @return bool / public static function isTemporaryDomain(string $domain): bool { if (self::$domainsTemporary === null) { self::$domainsTemporary = self::getData('domainsTemporary'); } if (\in_array($domain, self::$domainsTemporary, true)) { return true; } if (\preg_match('/.\.(?:tk\|ml\|ga\|cf\|gq)$/si', $domain)) { return true; } return false; } /** * Check if the domain has a typo. * * @param string $domain * * @return bool / public static function isTypoInDomain(string $domain): bool { if (self::$domainsTypo === null) { self::$domainsTypo = self::getData('domainsTypo'); } if (\in_array($domain, self::$domainsTypo, true)) { return true; } return false; } /* * @param string $email * * @return false\|array{local: string, domain: string} / public static function getMailParts(string $email) { if ($email === '') { return false; } $email = \str_replace( [ '.', // non-Latin chars are also allowed \| https://tools.ietf.org/html/rfc6530 '＠', // non-Latin chars are also allowed \| https://tools.ietf.org/html/rfc6530 ], [ '.', '@', ], $email ); if ( (\strpos($email, '@') === false) // "at" is needed \|\| (\strpos($email, '.') === false && \strpos($email, ':') === false) // "dot" or "colon" is needed ) { return false; } if (!\preg_match('/^(?<local>.<?)(?:.)@(?<domain>.)(?:>?)$/', $email, $parts)) { return false; } $local = $parts['local']; $domain = $parts['domain']; if (!$local) { return false; } if (!$domain) { return false; } return [ 'local' => $local, 'domain' => $domain, ]; } /** * 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(string $email, bool $useExampleDomainCheck = false, bool $useTypoInDomainCheck = false, bool $useTemporaryDomainCheck = false, bool $useDnsCheck = false): bool { if (!isset($email[0])) { return false; } // make sure string length is limited to avoid DOS attacks $emailStringLength = \strlen($email); if ( $emailStringLength >= 320 \|\| $emailStringLength <= 2 // i@y // ) { return false; } unset($emailStringLength); $parts = self::getMailParts($email); if ($parts === false) { return false; } $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 // no spaces allowed, anymore \|\| \strpos($local, '".') !== false // no quote + dot allowed ) { return false; } list($local, $domain) = self::punnycode($local, $domain); if ($quoteHelperForIdn === true) { $local = '"' . $local . '"'; } $email = $local . '@' . $domain; if (!\filter_var($email, \FILTER_VALIDATE_EMAIL)) { return false; } 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 true; } /** * get data from "/data/.php" * @param string $file * * @return array\|bool\|int\|string <p>Will return false on error.</p> / protected static function getData(string $file) { $file = __DIR__ . '/data/' . $file . '.php'; if (\file_exists($file)) { /* @noinspection PhpIncludeInspection / return require $file; } return false; } /* * @param string $local * @param string $domain * * @return array / private static function punnycode(string $local, string $domain): array { // https://git.ispconfig.org/ispconfig/ispconfig3/blob/master/interface/lib/classes/functions.inc.php#L305 if ( \defined('IDNA_NONTRANSITIONAL_TO_ASCII') && \defined('INTL_IDNA_VARIANT_UTS46') && \constant('IDNA_NONTRANSITIONAL_TO_ASCII') ) { $useIdnaUts46 = true; } else { $useIdnaUts46 = false; } if ($useIdnaUts46 === true) { /* @noinspection PhpComposerExtensionStubsInspection / $localTmp = \idn_to_ascii($local, \IDNA_NONTRANSITIONAL_TO_ASCII, \INTL_IDNA_VARIANT_UTS46); } else { /* @noinspection PhpComposerExtensionStubsInspection / $localTmp = \idn_to_ascii($local); } if ($localTmp) { $local = $localTmp; } unset($localTmp); if ($useIdnaUts46 === true) { /* @noinspection PhpComposerExtensionStubsInspection / $domainTmp = \idn_to_ascii($domain, \IDNA_NONTRANSITIONAL_TO_ASCII, \INTL_IDNA_VARIANT_UTS46); } else { /* @noinspection PhpComposerExtensionStubsInspection */ $domainTmp = \idn_to_ascii($domain); } if ($domainTmp) { $domain = $domainTmp; } unset($domainTmp); return [$local, $domain]; } }

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