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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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use WCPOS\Vendor\Psr\Http\Message\MessageInterface; |
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use WCPOS\Vendor\Psr\Http\Message\RequestInterface; |
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use WCPOS\Vendor\Psr\Http\Message\ResponseInterface; |
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use WCPOS\Vendor\Psr\Http\Message\UriInterface; |
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final class Message |
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{ |
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private const DEFAULT_BODY_SUMMARY_TRUNCATE_AT = 120; |
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private function __construct() |
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{ |
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} |
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/** |
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* Returns the string representation of an HTTP message. |
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* |
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* @param MessageInterface $message Message to convert to a string. |
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*/ |
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public static function toString(MessageInterface $message) : string |
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{ |
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if ($message instanceof RequestInterface) { |
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$msg = \trim($message->getMethod() . ' ' . $message->getRequestTarget(), " \n\r\t\x00\v") . ' HTTP/' . $message->getProtocolVersion(); |
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if (!$message->hasHeader('host')) { |
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$msg .= "\r\nHost: " . self::hostHeaderFromUri($message->getUri()); |
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} |
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} elseif ($message instanceof ResponseInterface) { |
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$msg = 'HTTP/' . $message->getProtocolVersion() . ' ' . $message->getStatusCode() . ' ' . $message->getReasonPhrase(); |
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} else { |
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throw new \InvalidArgumentException('Unknown message type'); |
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} |
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foreach ($message->getHeaders() as $name => $values) { |
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if (\is_string($name) && Utils::asciiToLower($name) === 'set-cookie') { |
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foreach ($values as $value) { |
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$msg .= "\r\n{$name}: " . $value; |
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} |
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} else { |
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$msg .= "\r\n{$name}: " . \implode(', ', $values); |
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} |
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} |
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return "{$msg}\r\n\r\n" . $message->getBody(); |
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} |
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private static function hostHeaderFromUri(UriInterface $uri) : string |
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{ |
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$host = $uri->getHost(); |
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if ($host === '') { |
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return ''; |
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} |
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Uri::assertValidHost($host); |
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if (($port = $uri->getPort()) !== null) { |
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$host .= ':' . $port; |
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} |
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return $host; |
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} |
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/** |
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* Get a short summary of the message body. |
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* |
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* Will return `null` if the response is not printable. |
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* |
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* Reads seekable bodies from the beginning and restores the original cursor |
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* position before returning. Pass `null` for `$truncateAt` to use the |
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* default summary length. |
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* |
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* @param MessageInterface $message The message to get the body summary |
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* @param int|null $truncateAt Maximum allowed size of the summary |
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*/ |
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public static function bodySummary(MessageInterface $message, ?int $truncateAt = null) : ?string |
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{ |
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$truncateAt ??= self::DEFAULT_BODY_SUMMARY_TRUNCATE_AT; |
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$body = $message->getBody(); |
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if (!$body->isSeekable() || !$body->isReadable()) { |
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return null; |
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} |
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$size = $body->getSize(); |
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if ($size === 0) { |
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return null; |
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} |
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$position = $body->tell(); |
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try { |
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$body->rewind(); |
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$summary = $body->read($truncateAt); |
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if ($size > $truncateAt) { |
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if (\preg_match('//u', $summary) !== 1) { |
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$summary = self::trimTrailingIncompleteUtf8Character($summary, $body->read(3)); |
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} |
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$summary .= ' (truncated...)'; |
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} |
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} finally { |
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$body->seek($position); |
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} |
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// Matches any printable character, including unicode characters: |
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// letters, marks, numbers, punctuation, spacing, and separators. |
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if (\preg_match('/[^\\pL\\pM\\pN\\pP\\pS\\pZ\\n\\r\\t]/u', $summary) !== 0) { |
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return null; |
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} |
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return $summary; |
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} |
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/** |
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* Trims a partial UTF-8 character from the end of a truncated string. |
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*/ |
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private static function trimTrailingIncompleteUtf8Character(string $summary, string $lookahead) : string |
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{ |
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$length = \strlen($summary); |
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if ($length === 0) { |
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return $summary; |
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} |
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$start = $length - 1; |
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while ($start >= 0) { |
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$byte = \ord($summary[$start]); |
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if ($byte < 0x80 || $byte > 0xbf) { |
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break; |
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} |
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--$start; |
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} |
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if ($start < 0) { |
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return $summary; |
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} |
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$lead = \ord($summary[$start]); |
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if ($lead >= 0xc2 && $lead <= 0xdf) { |
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$expectedLength = 2; |
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} elseif ($lead >= 0xe0 && $lead <= 0xef) { |
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$expectedLength = 3; |
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} elseif ($lead >= 0xf0 && $lead <= 0xf4) { |
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$expectedLength = 4; |
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} else { |
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return $summary; |
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} |
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$availableLength = $length - $start; |
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if ($availableLength >= $expectedLength) { |
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return $summary; |
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} |
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$sequence = \substr($summary, $start) . \substr($lookahead, 0, $expectedLength - $availableLength); |
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if (\strlen($sequence) !== $expectedLength || \preg_match('//u', $sequence) !== 1) { |
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return $summary; |
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} |
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return \substr($summary, 0, $start); |
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} |
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/** |
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* Attempts to rewind a message body and throws an exception on failure. |
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* |
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* The body of the message will only be rewound if a call to `tell()` |
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* returns a value other than `0`. |
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* |
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* @param MessageInterface $message Message to rewind |
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* |
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* @throws \RuntimeException |
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*/ |
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public static function rewindBody(MessageInterface $message) : void |
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{ |
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$body = $message->getBody(); |
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if ($body->tell()) { |
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$body->rewind(); |
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} |
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} |
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/** |
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* Parses an HTTP message into an associative array. |
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* |
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* The array contains the `start-line` key containing the start line of the |
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* message, `headers` key containing an associative array of header array |
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* values, and a `body` key containing the body of the message. |
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* |
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* @param string $message HTTP request or response to parse. |
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*/ |
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public static function parseMessage(string $message) : array |
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{ |
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return MessageParser::parseMessage($message); |
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} |
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/** |
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* Constructs a URI for an HTTP request message. |
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* |
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* The URI is composed from the start-line path and the `Host` header, using |
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* `https` when the host's port is `443` and `http` otherwise. Without a |
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* `Host` header, only the path is returned, with extra leading slashes |
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* collapsed so an origin-form target cannot be parsed as a network-path |
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* reference with its own authority. An `InvalidArgumentException` is thrown |
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* when the `Host` header is invalid. |
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* |
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* @param string $path Path from the start-line |
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* @param array $headers Array of headers (each value an array). |
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*/ |
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public static function parseRequestUri(string $path, array $headers) : string |
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{ |
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return MessageParser::parseRequestUri($path, $headers); |
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} |
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/** |
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* Parses a request message string into a request object. |
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* |
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* The request-target must be in origin form, absolute form (without a |
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* userinfo component), authority form (`CONNECT`), or asterisk form |
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* (`OPTIONS`), and any `Host` header must be a single valid value; |
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* otherwise an `InvalidArgumentException` is thrown. Non-origin-form |
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* targets are preserved on the returned request via `withRequestTarget()`. |
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* |
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* @param string $message Request message string. |
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*/ |
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public static function parseRequest(string $message) : RequestInterface |
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{ |
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return MessageParser::parseRequest($message); |
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} |
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/** |
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* Parses a response message string into a response object. |
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* |
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* @param string $message Response message string. |
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*/ |
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public static function parseResponse(string $message) : ResponseInterface |
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{ |
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return MessageParser::parseResponse($message); |
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} |
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} |
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|
