wordpress-seo / vendor_prefixed / guzzlehttp / psr7 / src / Message.php

Message.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 18.4, at vendor_prefixed/guzzlehttp/psr7/src/Message.php

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