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<?php |
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|
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declare (strict_types=1); |
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namespace WCPOS\Vendor\GuzzleHttp\Psr7; |
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|
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/** |
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* @internal |
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*/ |
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final class Rfc9112 |
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{ |
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/** |
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* An HTTP protocol version for use in a regular expression. |
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*/ |
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public const PROTOCOL_VERSION_PATTERN = '\\d+(?:\\.\\d+)?'; |
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/** |
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* The request-target bytes accepted by the HTTP/1 start-line grammar for |
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* use in a regular expression. |
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*/ |
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public const REQUEST_TARGET_PATTERN = '[^\\x00-\\x20\\x7F]+'; |
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private function __construct() |
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{ |
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} |
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/** |
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* Header related regular expressions (based on amphp/http package) |
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* |
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* Note: header delimiter (\r\n) is modified to \r?\n to accept line feed only delimiters for BC reasons. |
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* |
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* @see https://github.com/amphp/http/blob/v1.0.1/src/Rfc7230.php#L12-L15 |
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* |
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* @license https://github.com/amphp/http/blob/v1.0.1/LICENSE |
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*/ |
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public const HEADER_REGEX = "(^([^()<>@,;:\\\"/[\\]?={}\x01- ]++):[ \t]*+((?:[ \t]*+[!-~\x80-\xff]++)*+)[ \t]*+\r?\n)m"; |
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public const HEADER_FOLD_REGEX = "(\r?\n[ \t]++)"; |
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public static function isValidProtocolVersion(string $version) : bool |
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{ |
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return \preg_match('/^' . self::PROTOCOL_VERSION_PATTERN . '$/D', $version) === 1; |
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} |
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public static function isValidRequestTarget(string $target) : bool |
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{ |
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return \preg_match('/^' . self::REQUEST_TARGET_PATTERN . '$/D', $target) === 1; |
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} |
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public static function isValidReasonPhrase(string $reasonPhrase) : bool |
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{ |
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return Rfc9110::isFieldValue($reasonPhrase); |
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} |
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/** |
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* @return array{0: string, 1: int|null}|null |
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*/ |
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public static function parseHostHeader(string $authority) : ?array |
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{ |
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if ($authority === '') { |
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return null; |
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} |
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$host = $authority; |
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$port = null; |
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if (\str_starts_with($authority, '[')) { |
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$closingBracket = \strpos($authority, ']'); |
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if ($closingBracket === \false) { |
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return null; |
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} |
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$host = \substr($authority, 0, $closingBracket + 1); |
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$remainder = \substr($authority, $closingBracket + 1); |
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if ($remainder !== '') { |
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if (!\str_starts_with($remainder, ':')) { |
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return null; |
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} |
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$port = self::parsePort(\substr($remainder, 1)); |
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if ($port === null) { |
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return null; |
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} |
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} |
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} elseif (\false !== ($colon = \strpos($authority, ':'))) { |
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$host = \substr($authority, 0, $colon); |
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$port = self::parsePort(\substr($authority, $colon + 1)); |
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if ($port === null) { |
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return null; |
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} |
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} |
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if ($host === '' || !Rfc3986::isValidHost($host)) { |
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return null; |
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} |
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return [$host, $port]; |
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} |
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public static function isAbsoluteFormRequestTarget(string $target) : bool |
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{ |
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return \preg_match('/^[A-Za-z][A-Za-z0-9+.-]*:\\/\\//D', $target) === 1; |
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} |
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public static function isAsteriskFormRequestTarget(string $method, string $target) : bool |
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{ |
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return $method === 'OPTIONS' && $target === '*'; |
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} |
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public static function isConnectAuthorityFormRequestTarget(string $method, string $target) : bool |
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{ |
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return $method === 'CONNECT' && \strpbrk($target, '/?#') === \false; |
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} |
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public static function parsePort(string $port) : ?int |
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{ |
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if (!Rfc3986::isValidPort($port)) { |
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return null; |
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} |
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// A zero port is valid per RFC 3986 but meaningless for an HTTP |
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// authority, so reject it on top of the generic syntax check. |
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$parsed = (int) \ltrim($port, '0'); |
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return $parsed === 0 ? null : $parsed; |
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} |
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} |
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|
