diff options
Diffstat (limited to 'plugins/af_readability/vendor/league/uri-interfaces/src/Idna/Idna.php')
| -rw-r--r-- | plugins/af_readability/vendor/league/uri-interfaces/src/Idna/Idna.php | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/plugins/af_readability/vendor/league/uri-interfaces/src/Idna/Idna.php b/plugins/af_readability/vendor/league/uri-interfaces/src/Idna/Idna.php deleted file mode 100644 index 593068742..000000000 --- a/plugins/af_readability/vendor/league/uri-interfaces/src/Idna/Idna.php +++ /dev/null @@ -1,212 +0,0 @@ -<?php - -/** - * League.Uri (https://uri.thephpleague.com) - * - * (c) Ignace Nyamagana Butera <[email protected]> - * - * For the full copyright and license information, please view the LICENSE - * file that was distributed with this source code. - */ - -declare(strict_types=1); - -namespace League\Uri\Idna; - -use League\Uri\Exceptions\IdnaConversionFailed; -use League\Uri\Exceptions\IdnSupportMissing; -use League\Uri\Exceptions\SyntaxError; -use function defined; -use function function_exists; -use function idn_to_ascii; -use function idn_to_utf8; -use function rawurldecode; -use const INTL_IDNA_VARIANT_UTS46; - -/** - * @see https://unicode-org.github.io/icu-docs/apidoc/released/icu4c/uidna_8h.html - */ -final class Idna -{ - private const REGEXP_IDNA_PATTERN = '/[^\x20-\x7f]/'; - private const MAX_DOMAIN_LENGTH = 253; - private const MAX_LABEL_LENGTH = 63; - - /** - * General registered name regular expression. - * - * @see https://tools.ietf.org/html/rfc3986#section-3.2.2 - * @see https://regex101.com/r/fptU8V/1 - */ - private const REGEXP_REGISTERED_NAME = '/ - (?(DEFINE) - (?<unreserved>[a-z0-9_~\-]) # . is missing as it is used to separate labels - (?<sub_delims>[!$&\'()*+,;=]) - (?<encoded>%[A-F0-9]{2}) - (?<reg_name>(?:(?&unreserved)|(?&sub_delims)|(?&encoded))*) - ) - ^(?:(?®_name)\.)*(?®_name)\.?$ - /ix'; - - /** - * IDNA options. - */ - public const IDNA_DEFAULT = 0; - public const IDNA_ALLOW_UNASSIGNED = 1; - public const IDNA_USE_STD3_RULES = 2; - public const IDNA_CHECK_BIDI = 4; - public const IDNA_CHECK_CONTEXTJ = 8; - public const IDNA_NONTRANSITIONAL_TO_ASCII = 0x10; - public const IDNA_NONTRANSITIONAL_TO_UNICODE = 0x20; - public const IDNA_CHECK_CONTEXTO = 0x40; - - /** - * IDNA errors. - */ - public const ERROR_NONE = 0; - public const ERROR_EMPTY_LABEL = 1; - public const ERROR_LABEL_TOO_LONG = 2; - public const ERROR_DOMAIN_NAME_TOO_LONG = 4; - public const ERROR_LEADING_HYPHEN = 8; - public const ERROR_TRAILING_HYPHEN = 0x10; - public const ERROR_HYPHEN_3_4 = 0x20; - public const ERROR_LEADING_COMBINING_MARK = 0x40; - public const ERROR_DISALLOWED = 0x80; - public const ERROR_PUNYCODE = 0x100; - public const ERROR_LABEL_HAS_DOT = 0x200; - public const ERROR_INVALID_ACE_LABEL = 0x400; - public const ERROR_BIDI = 0x800; - public const ERROR_CONTEXTJ = 0x1000; - public const ERROR_CONTEXTO_PUNCTUATION = 0x2000; - public const ERROR_CONTEXTO_DIGITS = 0x4000; - - /** - * IDNA default options. - */ - public const IDNA2008_ASCII = self::IDNA_NONTRANSITIONAL_TO_ASCII - | self::IDNA_CHECK_BIDI - | self::IDNA_USE_STD3_RULES - | self::IDNA_CHECK_CONTEXTJ; - public const IDNA2008_UNICODE = self::IDNA_NONTRANSITIONAL_TO_UNICODE - | self::IDNA_CHECK_BIDI - | self::IDNA_USE_STD3_RULES - | self::IDNA_CHECK_CONTEXTJ; - - /** - * @codeCoverageIgnore - */ - private static function supportsIdna(): void - { - static $idnSupport; - if (null === $idnSupport) { - $idnSupport = function_exists('\idn_to_ascii') && defined('\INTL_IDNA_VARIANT_UTS46'); - } - - if (!$idnSupport) { - throw new IdnSupportMissing('IDN host can not be processed. Verify that ext/intl is installed for IDN support and that ICU is at least version 4.6.'); - } - } - - /** - * Converts the input to its IDNA ASCII form. - * - * This method returns the string converted to IDN ASCII form - * - * @throws SyntaxError if the string can not be converted to ASCII using IDN UTS46 algorithm - */ - public static function toAscii(string $domain, int $options): IdnaInfo - { - $domain = rawurldecode($domain); - - if (1 === preg_match(self::REGEXP_IDNA_PATTERN, $domain)) { - self::supportsIdna(); - - /* @param-out array{errors: int, isTransitionalDifferent: bool, result: string} $idnaInfo */ - idn_to_ascii($domain, $options, INTL_IDNA_VARIANT_UTS46, $idnaInfo); - if ([] === $idnaInfo) { - return IdnaInfo::fromIntl([ - 'result' => strtolower($domain), - 'isTransitionalDifferent' => false, - 'errors' => self::validateDomainAndLabelLength($domain), - ]); - } - - /* @var array{errors: int, isTransitionalDifferent: bool, result: string} $idnaInfo */ - return IdnaInfo::fromIntl($idnaInfo); - } - - $error = self::ERROR_NONE; - if (1 !== preg_match(self::REGEXP_REGISTERED_NAME, $domain)) { - $error |= self::ERROR_DISALLOWED; - } - - return IdnaInfo::fromIntl([ - 'result' => strtolower($domain), - 'isTransitionalDifferent' => false, - 'errors' => self::validateDomainAndLabelLength($domain) | $error, - ]); - } - - /** - * Converts the input to its IDNA UNICODE form. - * - * This method returns the string converted to IDN UNICODE form - * - * @throws SyntaxError if the string can not be converted to UNICODE using IDN UTS46 algorithm - */ - public static function toUnicode(string $domain, int $options): IdnaInfo - { - $domain = rawurldecode($domain); - - if (false === stripos($domain, 'xn--')) { - return IdnaInfo::fromIntl(['result' => $domain, 'isTransitionalDifferent' => false, 'errors' => self::ERROR_NONE]); - } - - self::supportsIdna(); - - /* @param-out array{errors: int, isTransitionalDifferent: bool, result: string} $idnaInfo */ - idn_to_utf8($domain, $options, INTL_IDNA_VARIANT_UTS46, $idnaInfo); - if ([] === $idnaInfo) { - throw IdnaConversionFailed::dueToInvalidHost($domain); - } - - /* @var array{errors: int, isTransitionalDifferent: bool, result: string} $idnaInfo */ - return IdnaInfo::fromIntl($idnaInfo); - } - - /** - * Adapted from https://github.com/TRowbotham/idna. - * - * @see https://github.com/TRowbotham/idna/blob/master/src/Idna.php#L236 - */ - private static function validateDomainAndLabelLength(string $domain): int - { - $error = self::ERROR_NONE; - $labels = explode('.', $domain); - $maxDomainSize = self::MAX_DOMAIN_LENGTH; - $length = count($labels); - - // If the last label is empty and it is not the first label, then it is the root label. - // Increase the max size by 1, making it 254, to account for the root label's "." - // delimiter. This also means we don't need to check the last label's length for being too - // long. - if ($length > 1 && $labels[$length - 1] === '') { - ++$maxDomainSize; - array_pop($labels); - } - - if (strlen($domain) > $maxDomainSize) { - $error |= self::ERROR_DOMAIN_NAME_TOO_LONG; - } - - foreach ($labels as $label) { - if (strlen($label) > self::MAX_LABEL_LENGTH) { - $error |= self::ERROR_LABEL_TOO_LONG; - - break; - } - } - - return $error; - } -} |