diff options
Diffstat (limited to 'plugins/af_readability/vendor/league/uri/src/UriString.php')
| -rw-r--r-- | plugins/af_readability/vendor/league/uri/src/UriString.php | 467 |
1 files changed, 0 insertions, 467 deletions
diff --git a/plugins/af_readability/vendor/league/uri/src/UriString.php b/plugins/af_readability/vendor/league/uri/src/UriString.php deleted file mode 100644 index 674e1a437..000000000 --- a/plugins/af_readability/vendor/league/uri/src/UriString.php +++ /dev/null @@ -1,467 +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; - -use League\Uri\Exceptions\IdnaConversionFailed; -use League\Uri\Exceptions\IdnSupportMissing; -use League\Uri\Exceptions\SyntaxError; -use League\Uri\Idna\Idna; -use TypeError; -use function array_merge; -use function explode; -use function filter_var; -use function gettype; -use function inet_pton; -use function is_object; -use function is_scalar; -use function method_exists; -use function preg_match; -use function rawurldecode; -use function sprintf; -use function strpos; -use function substr; -use const FILTER_FLAG_IPV6; -use const FILTER_VALIDATE_IP; - -/** - * A class to parse a URI string according to RFC3986. - * - * @link https://tools.ietf.org/html/rfc3986 - * @package League\Uri - * @author Ignace Nyamagana Butera <[email protected]> - * @since 6.0.0 - */ -final class UriString -{ - /** - * Default URI component values. - */ - private const URI_COMPONENTS = [ - 'scheme' => null, 'user' => null, 'pass' => null, 'host' => null, - 'port' => null, 'path' => '', 'query' => null, 'fragment' => null, - ]; - - /** - * Simple URI which do not need any parsing. - */ - private const URI_SCHORTCUTS = [ - '' => [], - '#' => ['fragment' => ''], - '?' => ['query' => ''], - '?#' => ['query' => '', 'fragment' => ''], - '/' => ['path' => '/'], - '//' => ['host' => ''], - ]; - - /** - * Range of invalid characters in URI string. - */ - private const REGEXP_INVALID_URI_CHARS = '/[\x00-\x1f\x7f]/'; - - /** - * RFC3986 regular expression URI splitter. - * - * @link https://tools.ietf.org/html/rfc3986#appendix-B - */ - private const REGEXP_URI_PARTS = ',^ - (?<scheme>(?<scontent>[^:/?\#]+):)? # URI scheme component - (?<authority>//(?<acontent>[^/?\#]*))? # URI authority part - (?<path>[^?\#]*) # URI path component - (?<query>\?(?<qcontent>[^\#]*))? # URI query component - (?<fragment>\#(?<fcontent>.*))? # URI fragment component - ,x'; - - /** - * URI scheme regular expresssion. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.1 - */ - private const REGEXP_URI_SCHEME = '/^([a-z][a-z\d\+\.\-]*)?$/i'; - - /** - * IPvFuture regular expression. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.2.2 - */ - private const REGEXP_IP_FUTURE = '/^ - v(?<version>[A-F0-9])+\. - (?: - (?<unreserved>[a-z0-9_~\-\.])| - (?<sub_delims>[!$&\'()*+,;=:]) # also include the : character - )+ - $/ix'; - - /** - * General registered name regular expression. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.2.2 - */ - private const REGEXP_REGISTERED_NAME = '/(?(DEFINE) - (?<unreserved>[a-z0-9_~\-]) # . is missing as it is used to separate labels - (?<sub_delims>[!$&\'()*+,;=]) - (?<encoded>%[A-F0-9]{2}) - (?<reg_name>(?:(?&unreserved)|(?&sub_delims)|(?&encoded))*) - ) - ^(?:(?®_name)\.)*(?®_name)\.?$/ix'; - - /** - * Invalid characters in host regular expression. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.2.2 - */ - private const REGEXP_INVALID_HOST_CHARS = '/ - [:\/?#\[\]@ ] # gen-delims characters as well as the space character - /ix'; - - /** - * Invalid path for URI without scheme and authority regular expression. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.3 - */ - private const REGEXP_INVALID_PATH = ',^(([^/]*):)(.*)?/,'; - - /** - * Host and Port splitter regular expression. - */ - private const REGEXP_HOST_PORT = ',^(?<host>\[.*\]|[^:]*)(:(?<port>.*))?$,'; - - /** - * IDN Host detector regular expression. - */ - private const REGEXP_IDN_PATTERN = '/[^\x20-\x7f]/'; - - /** - * Only the address block fe80::/10 can have a Zone ID attach to - * let's detect the link local significant 10 bits. - */ - private const ZONE_ID_ADDRESS_BLOCK = "\xfe\x80"; - - /** - * Generate an URI string representation from its parsed representation - * returned by League\UriString::parse() or PHP's parse_url. - * - * If you supply your own array, you are responsible for providing - * valid components without their URI delimiters. - * - * @link https://tools.ietf.org/html/rfc3986#section-5.3 - * @link https://tools.ietf.org/html/rfc3986#section-7.5 - * - * @param array{ - * scheme:?string, - * user:?string, - * pass:?string, - * host:?string, - * port:?int, - * path:?string, - * query:?string, - * fragment:?string - * } $components - */ - public static function build(array $components): string - { - $result = $components['path'] ?? ''; - if (isset($components['query'])) { - $result .= '?'.$components['query']; - } - - if (isset($components['fragment'])) { - $result .= '#'.$components['fragment']; - } - - $scheme = null; - if (isset($components['scheme'])) { - $scheme = $components['scheme'].':'; - } - - if (!isset($components['host'])) { - return $scheme.$result; - } - - $scheme .= '//'; - $authority = $components['host']; - if (isset($components['port'])) { - $authority .= ':'.$components['port']; - } - - if (!isset($components['user'])) { - return $scheme.$authority.$result; - } - - $authority = '@'.$authority; - if (!isset($components['pass'])) { - return $scheme.$components['user'].$authority.$result; - } - - return $scheme.$components['user'].':'.$components['pass'].$authority.$result; - } - - /** - * Parse an URI string into its components. - * - * This method parses a URI and returns an associative array containing any - * of the various components of the URI that are present. - * - * <code> - * $components = (new Parser())->parse('http://[email protected]:42?query#'); - * var_export($components); - * //will display - * array( - * 'scheme' => 'http', // the URI scheme component - * 'user' => 'foo', // the URI user component - * 'pass' => null, // the URI pass component - * 'host' => 'test.example.com', // the URI host component - * 'port' => 42, // the URI port component - * 'path' => '', // the URI path component - * 'query' => 'query', // the URI query component - * 'fragment' => '', // the URI fragment component - * ); - * </code> - * - * The returned array is similar to PHP's parse_url return value with the following - * differences: - * - * <ul> - * <li>All components are always present in the returned array</li> - * <li>Empty and undefined component are treated differently. And empty component is - * set to the empty string while an undefined component is set to the `null` value.</li> - * <li>The path component is never undefined</li> - * <li>The method parses the URI following the RFC3986 rules but you are still - * required to validate the returned components against its related scheme specific rules.</li> - * </ul> - * - * @link https://tools.ietf.org/html/rfc3986 - * - * @param mixed $uri any scalar or stringable object - * - * @throws SyntaxError if the URI contains invalid characters - * @throws SyntaxError if the URI contains an invalid scheme - * @throws SyntaxError if the URI contains an invalid path - * - * @return array{ - * scheme:?string, - * user:?string, - * pass:?string, - * host:?string, - * port:?int, - * path:string, - * query:?string, - * fragment:?string - * } - */ - public static function parse($uri): array - { - if (is_object($uri) && method_exists($uri, '__toString')) { - $uri = (string) $uri; - } - - if (!is_scalar($uri)) { - throw new TypeError(sprintf('The uri must be a scalar or a stringable object `%s` given', gettype($uri))); - } - - $uri = (string) $uri; - - if (isset(self::URI_SCHORTCUTS[$uri])) { - /** @var array{scheme:?string, user:?string, pass:?string, host:?string, port:?int, path:string, query:?string, fragment:?string} $components */ - $components = array_merge(self::URI_COMPONENTS, self::URI_SCHORTCUTS[$uri]); - - return $components; - } - - if (1 === preg_match(self::REGEXP_INVALID_URI_CHARS, $uri)) { - throw new SyntaxError(sprintf('The uri `%s` contains invalid characters', $uri)); - } - - //if the first character is a known URI delimiter parsing can be simplified - $first_char = $uri[0]; - - //The URI is made of the fragment only - if ('#' === $first_char) { - [, $fragment] = explode('#', $uri, 2); - $components = self::URI_COMPONENTS; - $components['fragment'] = $fragment; - - return $components; - } - - //The URI is made of the query and fragment - if ('?' === $first_char) { - [, $partial] = explode('?', $uri, 2); - [$query, $fragment] = explode('#', $partial, 2) + [1 => null]; - $components = self::URI_COMPONENTS; - $components['query'] = $query; - $components['fragment'] = $fragment; - - return $components; - } - - //use RFC3986 URI regexp to split the URI - preg_match(self::REGEXP_URI_PARTS, $uri, $parts); - $parts += ['query' => '', 'fragment' => '']; - - if (':' === $parts['scheme'] || 1 !== preg_match(self::REGEXP_URI_SCHEME, $parts['scontent'])) { - throw new SyntaxError(sprintf('The uri `%s` contains an invalid scheme', $uri)); - } - - if ('' === $parts['scheme'].$parts['authority'] && 1 === preg_match(self::REGEXP_INVALID_PATH, $parts['path'])) { - throw new SyntaxError(sprintf('The uri `%s` contains an invalid path.', $uri)); - } - - /** @var array{scheme:?string, user:?string, pass:?string, host:?string, port:?int, path:string, query:?string, fragment:?string} $components */ - $components = array_merge( - self::URI_COMPONENTS, - '' === $parts['authority'] ? [] : self::parseAuthority($parts['acontent']), - [ - 'path' => $parts['path'], - 'scheme' => '' === $parts['scheme'] ? null : $parts['scontent'], - 'query' => '' === $parts['query'] ? null : $parts['qcontent'], - 'fragment' => '' === $parts['fragment'] ? null : $parts['fcontent'], - ] - ); - - return $components; - } - - /** - * Parses the URI authority part. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.2 - * - * @throws SyntaxError If the port component is invalid - * - * @return array{user:?string, pass:?string, host:?string, port:?int} - */ - private static function parseAuthority(string $authority): array - { - $components = ['user' => null, 'pass' => null, 'host' => '', 'port' => null]; - if ('' === $authority) { - return $components; - } - - $parts = explode('@', $authority, 2); - if (isset($parts[1])) { - [$components['user'], $components['pass']] = explode(':', $parts[0], 2) + [1 => null]; - } - - preg_match(self::REGEXP_HOST_PORT, $parts[1] ?? $parts[0], $matches); - $matches += ['port' => '']; - - $components['port'] = self::filterPort($matches['port']); - $components['host'] = self::filterHost($matches['host']); - - return $components; - } - - /** - * Filter and format the port component. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.2.2 - * - * @throws SyntaxError if the registered name is invalid - */ - private static function filterPort(string $port): ?int - { - if ('' === $port) { - return null; - } - - if (1 === preg_match('/^\d*$/', $port)) { - return (int) $port; - } - - throw new SyntaxError(sprintf('The port `%s` is invalid', $port)); - } - - /** - * Returns whether a hostname is valid. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.2.2 - * - * @throws SyntaxError if the registered name is invalid - */ - private static function filterHost(string $host): string - { - if ('' === $host) { - return $host; - } - - if ('[' !== $host[0] || ']' !== substr($host, -1)) { - return self::filterRegisteredName($host); - } - - if (!self::isIpHost(substr($host, 1, -1))) { - throw new SyntaxError(sprintf('Host `%s` is invalid : the IP host is malformed', $host)); - } - - return $host; - } - - /** - * Returns whether the host is an IPv4 or a registered named. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.2.2 - * - * @throws SyntaxError if the registered name is invalid - * @throws IdnSupportMissing if IDN support or ICU requirement are not available or met. - */ - private static function filterRegisteredName(string $host): string - { - $formatted_host = rawurldecode($host); - if (1 === preg_match(self::REGEXP_REGISTERED_NAME, $formatted_host)) { - return $host; - } - - //to test IDN host non-ascii characters must be present in the host - if (1 !== preg_match(self::REGEXP_IDN_PATTERN, $formatted_host)) { - throw new SyntaxError(sprintf('Host `%s` is invalid : the host is not a valid registered name', $host)); - } - - $info = Idna::toAscii($host, Idna::IDNA2008_ASCII); - if (0 !== $info->errors()) { - throw IdnaConversionFailed::dueToIDNAError($host, $info); - } - - return $host; - } - - /** - * Validates a IPv6/IPvfuture host. - * - * @link https://tools.ietf.org/html/rfc3986#section-3.2.2 - * @link https://tools.ietf.org/html/rfc6874#section-2 - * @link https://tools.ietf.org/html/rfc6874#section-4 - */ - private static function isIpHost(string $ip_host): bool - { - if (false !== filter_var($ip_host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) { - return true; - } - - if (1 === preg_match(self::REGEXP_IP_FUTURE, $ip_host, $matches)) { - return !in_array($matches['version'], ['4', '6'], true); - } - - $pos = strpos($ip_host, '%'); - if (false === $pos || 1 === preg_match( - self::REGEXP_INVALID_HOST_CHARS, - rawurldecode(substr($ip_host, $pos)) - )) { - return false; - } - - $ip_host = substr($ip_host, 0, $pos); - - return false !== filter_var($ip_host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) - && 0 === strpos((string) inet_pton($ip_host), self::ZONE_ID_ADDRESS_BLOCK); - } -} |