← All changes | integrations/mailchimp/vendor/guzzlehttp/psr7/src/Message.php +246 -0 5.7.9 → 6.0.4 View file →

		@@ -1,0 +1,246 @@
	1	+<?php
	2	+
	3	+declare(strict_types=1);
	4	+
	5	+namespace GuzzleHttp\Psr7;
	6	+
	7	+use Psr\Http\Message\MessageInterface;
	8	+use Psr\Http\Message\RequestInterface;
	9	+use Psr\Http\Message\ResponseInterface;
	10	+
	11	+final class Message
	12	+{
	13	+ /**
	14	+ * Returns the string representation of an HTTP message.
	15	+ *
	16	+ * @param MessageInterface $message Message to convert to a string.
	17	+ */
	18	+ public static function toString(MessageInterface $message): string
	19	+ {
	20	+ if ($message instanceof RequestInterface) {
	21	+ $msg = trim($message->getMethod().' '
	22	+ .$message->getRequestTarget())
	23	+ .' HTTP/'.$message->getProtocolVersion();
	24	+ if (!$message->hasHeader('host')) {
	25	+ $msg .= "\r\nHost: ".$message->getUri()->getHost();
	26	+ }
	27	+ } elseif ($message instanceof ResponseInterface) {
	28	+ $msg = 'HTTP/'.$message->getProtocolVersion().' '
	29	+ .$message->getStatusCode().' '
	30	+ .$message->getReasonPhrase();
	31	+ } else {
	32	+ throw new \InvalidArgumentException('Unknown message type');
	33	+ }
	34	+
	35	+ foreach ($message->getHeaders() as $name => $values) {
	36	+ if (is_string($name) && strtolower($name) === 'set-cookie') {
	37	+ foreach ($values as $value) {
	38	+ $msg .= "\r\n{$name}: ".$value;
	39	+ }
	40	+ } else {
	41	+ $msg .= "\r\n{$name}: ".implode(', ', $values);
	42	+ }
	43	+ }
	44	+
	45	+ return "{$msg}\r\n\r\n".$message->getBody();
	46	+ }
	47	+
	48	+ /**
	49	+ * Get a short summary of the message body.
	50	+ *
	51	+ * Will return `null` if the response is not printable.
	52	+ *
	53	+ * @param MessageInterface $message The message to get the body summary
	54	+ * @param int $truncateAt The maximum allowed size of the summary
	55	+ */
	56	+ public static function bodySummary(MessageInterface $message, int $truncateAt = 120): ?string
	57	+ {
	58	+ $body = $message->getBody();
	59	+
	60	+ if (!$body->isSeekable() || !$body->isReadable()) {
	61	+ return null;
	62	+ }
	63	+
	64	+ $size = $body->getSize();
	65	+
	66	+ if ($size === 0) {
	67	+ return null;
	68	+ }
	69	+
	70	+ $body->rewind();
	71	+ $summary = $body->read($truncateAt);
	72	+ $body->rewind();
	73	+
	74	+ if ($size > $truncateAt) {
	75	+ $summary .= ' (truncated...)';
	76	+ }
	77	+
	78	+ // Matches any printable character, including unicode characters:
	79	+ // letters, marks, numbers, punctuation, spacing, and separators.
	80	+ if (preg_match('/[^\pL\pM\pN\pP\pS\pZ\n\r\t]/u', $summary) !== 0) {
	81	+ return null;
	82	+ }
	83	+
	84	+ return $summary;
	85	+ }
	86	+
	87	+ /**
	88	+ * Attempts to rewind a message body and throws an exception on failure.
	89	+ *
	90	+ * The body of the message will only be rewound if a call to `tell()`
	91	+ * returns a value other than `0`.
	92	+ *
	93	+ * @param MessageInterface $message Message to rewind
	94	+ *
	95	+ * @throws \RuntimeException
	96	+ */
	97	+ public static function rewindBody(MessageInterface $message): void
	98	+ {
	99	+ $body = $message->getBody();
	100	+
	101	+ if ($body->tell()) {
	102	+ $body->rewind();
	103	+ }
	104	+ }
	105	+
	106	+ /**
	107	+ * Parses an HTTP message into an associative array.
	108	+ *
	109	+ * The array contains the "start-line" key containing the start line of
	110	+ * the message, "headers" key containing an associative array of header
	111	+ * array values, and a "body" key containing the body of the message.
	112	+ *
	113	+ * @param string $message HTTP request or response to parse.
	114	+ */
	115	+ public static function parseMessage(string $message): array
	116	+ {
	117	+ if (!$message) {
	118	+ throw new \InvalidArgumentException('Invalid message');
	119	+ }
	120	+
	121	+ $message = ltrim($message, "\r\n");
	122	+
	123	+ $messageParts = preg_split("/\r?\n\r?\n/", $message, 2);
	124	+
	125	+ if ($messageParts === false || count($messageParts) !== 2) {
	126	+ throw new \InvalidArgumentException('Invalid message: Missing header delimiter');
	127	+ }
	128	+
	129	+ [$rawHeaders, $body] = $messageParts;
	130	+ $rawHeaders .= "\r\n"; // Put back the delimiter we split previously
	131	+ $headerParts = preg_split("/\r?\n/", $rawHeaders, 2);
	132	+
	133	+ if ($headerParts === false || count($headerParts) !== 2) {
	134	+ throw new \InvalidArgumentException('Invalid message: Missing status line');
	135	+ }
	136	+
	137	+ [$startLine, $rawHeaders] = $headerParts;
	138	+
	139	+ if (preg_match("/(?:^HTTP\/|^[A-Z]+ \S+ HTTP\/)(\d+(?:\.\d+)?)/i", $startLine, $matches) && $matches[1] === '1.0') {
	140	+ // Header folding is deprecated for HTTP/1.1, but allowed in HTTP/1.0
	141	+ $rawHeaders = preg_replace(Rfc7230::HEADER_FOLD_REGEX, ' ', $rawHeaders);
	142	+ }
	143	+
	144	+ /** @var array[] $headerLines */
	145	+ $count = preg_match_all(Rfc7230::HEADER_REGEX, $rawHeaders, $headerLines, PREG_SET_ORDER);
	146	+
	147	+ // If these aren't the same, then one line didn't match and there's an invalid header.
	148	+ if ($count !== substr_count($rawHeaders, "\n")) {
	149	+ // Folding is deprecated, see https://datatracker.ietf.org/doc/html/rfc7230#section-3.2.4
	150	+ if (preg_match(Rfc7230::HEADER_FOLD_REGEX, $rawHeaders)) {
	151	+ throw new \InvalidArgumentException('Invalid header syntax: Obsolete line folding');
	152	+ }
	153	+
	154	+ throw new \InvalidArgumentException('Invalid header syntax');
	155	+ }
	156	+
	157	+ $headers = [];
	158	+
	159	+ foreach ($headerLines as $headerLine) {
	160	+ $headers[$headerLine[1]][] = $headerLine[2];
	161	+ }
	162	+
	163	+ return [
	164	+ 'start-line' => $startLine,
	165	+ 'headers' => $headers,
	166	+ 'body' => $body,
	167	+ ];
	168	+ }
	169	+
	170	+ /**
	171	+ * Constructs a URI for an HTTP request message.
	172	+ *
	173	+ * @param string $path Path from the start-line
	174	+ * @param array $headers Array of headers (each value an array).
	175	+ */
	176	+ public static function parseRequestUri(string $path, array $headers): string
	177	+ {
	178	+ $hostKey = array_filter(array_keys($headers), function ($k) {
	179	+ // Numeric array keys are converted to int by PHP.
	180	+ $k = (string) $k;
	181	+
	182	+ return strtolower($k) === 'host';
	183	+ });
	184	+
	185	+ // If no host is found, then a full URI cannot be constructed.
	186	+ if (!$hostKey) {
	187	+ return $path;
	188	+ }
	189	+
	190	+ $host = $headers[reset($hostKey)][0];
	191	+ $scheme = substr($host, -4) === ':443' ? 'https' : 'http';
	192	+
	193	+ return $scheme.'://'.$host.'/'.ltrim($path, '/');
	194	+ }
	195	+
	196	+ /**
	197	+ * Parses a request message string into a request object.
	198	+ *
	199	+ * @param string $message Request message string.
	200	+ */
	201	+ public static function parseRequest(string $message): RequestInterface
	202	+ {
	203	+ $data = self::parseMessage($message);
	204	+ $matches = [];
	205	+ if (!preg_match('/^[\S]+\s+([a-zA-Z]+:\/\/|\/).*/', $data['start-line'], $matches)) {
	206	+ throw new \InvalidArgumentException('Invalid request string');
	207	+ }
	208	+ $parts = explode(' ', $data['start-line'], 3);
	209	+ $version = isset($parts[2]) ? explode('/', $parts[2])[1] : '1.1';
	210	+
	211	+ $request = new Request(
	212	+ $parts[0],
	213	+ $matches[1] === '/' ? self::parseRequestUri($parts[1], $data['headers']) : $parts[1],
	214	+ $data['headers'],
	215	+ $data['body'],
	216	+ $version
	217	+ );
	218	+
	219	+ return $matches[1] === '/' ? $request : $request->withRequestTarget($parts[1]);
	220	+ }
	221	+
	222	+ /**
	223	+ * Parses a response message string into a response object.
	224	+ *
	225	+ * @param string $message Response message string.
	226	+ */
	227	+ public static function parseResponse(string $message): ResponseInterface
	228	+ {
	229	+ $data = self::parseMessage($message);
	230	+ // According to https://datatracker.ietf.org/doc/html/rfc7230#section-3.1.2
	231	+ // the space between status-code and reason-phrase is required. But
	232	+ // browsers accept responses without space and reason as well.
	233	+ if (!preg_match('/^HTTP\/.* [0-9]{3}( .*|$)/', $data['start-line'])) {
	234	+ throw new \InvalidArgumentException('Invalid response string: '.$data['start-line']);
	235	+ }
	236	+ $parts = explode(' ', $data['start-line'], 3);
	237	+
	238	+ return new Response(
	239	+ (int) $parts[1],
	240	+ $data['headers'],
	241	+ $data['body'],
	242	+ explode('/', $parts[0])[1],
	243	+ $parts[2] ?? null
	244	+ );
	245	+ }
	246	+}