Requests_Transport_fsockopen::connect_error_handler() - Code Metrics - rmccue/Requests - Measure and Improve Code Quality continuously with Scrutinizer

connect_error_handler() A
last analyzed 2020-11-18 15:14 UTC

↳ Parent: Requests_Transport_fsockopen

Complexity

Conditions	3
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
nc	2
nop	2
dl	0
loc	10
rs	9.9332
c	0
b	0
f	0

<?php
/**
 * fsockopen HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * fsockopen HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
class Requests_Transport_fsockopen implements Requests_Transport {
	/**
	 * Second to microsecond conversion
	 *
	 * @var integer
	 */
	const SECOND_IN_MICROSECONDS = 1000000;

	/**
	 * Raw HTTP data
	 *
	 * @var string
	 */
	public $headers = '';

	/**
	 * Stream metadata
	 *
	 * @var array Associative array of properties, see {@see https://secure.php.net/stream_get_meta_data}
	 */
	public $info;

	/**
	 * What's the maximum number of bytes we should keep?
	 *
	 * @var int|bool Byte count, or false if no limit.
	 */
	protected $max_bytes = false;

	protected $connect_error = '';

	/**
	 * Perform a request
	 *
	 * @throws Requests_Exception On failure to connect to socket (`fsockopenerror`)
	 * @throws Requests_Exception On socket timeout (`timeout`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return string Raw HTTP result
	 */
	public function request($url, $headers = array(), $data = array(), $options = array()) {
		$options['hooks']->dispatch('fsockopen.before_request');

		$url_parts = parse_url($url);
		if (empty($url_parts)) {
			throw new Requests_Exception('Invalid URL.', 'invalidurl', $url);
		}
		$host                     = $url_parts['host'];
		$context                  = stream_context_create();
		$verifyname               = false;
		$case_insensitive_headers = new Requests_Utility_CaseInsensitiveDictionary($headers);

		// HTTPS support
		if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
			$remote_socket = 'ssl://' . $host;
			if (!isset($url_parts['port'])) {
				$url_parts['port'] = 443;
			}

			$context_options = array(
				'verify_peer'       => true,
				'capture_peer_cert' => true,
			);
			$verifyname      = true;

			// SNI, if enabled (OpenSSL >=0.9.8j)
			// phpcs:ignore PHPCompatibility.Constants.NewConstants.openssl_tlsext_server_nameFound
			if (defined('OPENSSL_TLSEXT_SERVER_NAME') && OPENSSL_TLSEXT_SERVER_NAME) {
				$context_options['SNI_enabled'] = true;
				if (isset($options['verifyname']) && $options['verifyname'] === false) {
					$context_options['SNI_enabled'] = false;
				}
			}

			if (isset($options['verify'])) {
				if ($options['verify'] === false) {
					$context_options['verify_peer']      = false;
					$context_options['verify_peer_name'] = false;
					$verifyname                          = false;
				}
				elseif (is_string($options['verify'])) {
					$context_options['cafile'] = $options['verify'];
				}
			}

			if (isset($options['verifyname']) && $options['verifyname'] === false) {
				$context_options['verify_peer_name'] = false;
				$verifyname                          = false;
			}

			stream_context_set_option($context, array('ssl' => $context_options));
		}
		else {
			$remote_socket = 'tcp://' . $host;
		}

		$this->max_bytes = $options['max_bytes'];

		if (!isset($url_parts['port'])) {
			$url_parts['port'] = 80;
		}
		$remote_socket .= ':' . $url_parts['port'];

		// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_set_error_handler
		set_error_handler(array($this, 'connect_error_handler'), E_WARNING | E_NOTICE);

		$options['hooks']->dispatch('fsockopen.remote_socket', array(&$remote_socket));

		$socket = stream_socket_client($remote_socket, $errno, $errstr, ceil($options['connect_timeout']), STREAM_CLIENT_CONNECT, $context);

		restore_error_handler();

		if ($verifyname && !$this->verify_certificate_from_context($host, $context)) {
			throw new Requests_Exception('SSL certificate did not match the requested domain name', 'ssl.no_match');
		}

		if (!$socket) {
			if ($errno === 0) {
				// Connection issue
				throw new Requests_Exception(rtrim($this->connect_error), 'fsockopen.connect_error');
			}

			throw new Requests_Exception($errstr, 'fsockopenerror', null, $errno);
		}

		$data_format = $options['data_format'];

		if ($data_format === 'query') {
			$path = self::format_get($url_parts, $data);

			$data = '';
		}
		else {
			$path = self::format_get($url_parts, array());
		}

		$options['hooks']->dispatch('fsockopen.remote_host_path', array(&$path, $url));

		$request_body = '';
		$out          = sprintf("%s %s HTTP/%.1F\r\n", $options['type'], $path, $options['protocol_version']);

		if ($options['type'] !== Requests::TRACE) {
			if (is_array($data)) {
				$request_body = http_build_query($data, '', '&');
			}
			else {
				$request_body = $data;
			}

			// Always include Content-length on POST requests to prevent
			// 411 errors from some servers when the body is empty.
			if (!empty($data) || $options['type'] === Requests::POST) {
				if (!isset($case_insensitive_headers['Content-Length'])) {
					$headers['Content-Length'] = strlen($request_body);
				}

				if (!isset($case_insensitive_headers['Content-Type'])) {
					$headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
				}
			}
		}

		if (!isset($case_insensitive_headers['Host'])) {
			$out .= sprintf('Host: %s', $url_parts['host']);

			if ((strtolower($url_parts['scheme']) === 'http' && $url_parts['port'] !== 80) || (strtolower($url_parts['scheme']) === 'https' && $url_parts['port'] !== 443)) {
				$out .= ':' . $url_parts['port'];
			}
			$out .= "\r\n";
		}

		if (!isset($case_insensitive_headers['User-Agent'])) {
			$out .= sprintf("User-Agent: %s\r\n", $options['useragent']);
		}

		$accept_encoding = $this->accept_encoding();
		if (!isset($case_insensitive_headers['Accept-Encoding']) && !empty($accept_encoding)) {
			$out .= sprintf("Accept-Encoding: %s\r\n", $accept_encoding);
		}

		$headers = Requests::flatten($headers);

		if (!empty($headers)) {
			$out .= implode("\r\n", $headers) . "\r\n";
		}

		$options['hooks']->dispatch('fsockopen.after_headers', array(&$out));

		if (substr($out, -2) !== "\r\n") {
			$out .= "\r\n";
		}

		if (!isset($case_insensitive_headers['Connection'])) {
			$out .= "Connection: Close\r\n";
		}

		$out .= "\r\n" . $request_body;

		$options['hooks']->dispatch('fsockopen.before_send', array(&$out));

		fwrite($socket, $out);
		$options['hooks']->dispatch('fsockopen.after_send', array($out));

		if (!$options['blocking']) {
			fclose($socket);
			$fake_headers = '';
			$options['hooks']->dispatch('fsockopen.after_request', array(&$fake_headers));
			return '';
		}

		$timeout_sec = (int) floor($options['timeout']);
		if ($timeout_sec === $options['timeout']) {
			$timeout_msec = 0;
		}
		else {
			$timeout_msec = self::SECOND_IN_MICROSECONDS * $options['timeout'] % self::SECOND_IN_MICROSECONDS;
		}
		stream_set_timeout($socket, $timeout_sec, $timeout_msec);

		$response   = '';
		$body       = '';
		$headers    = '';
		$this->info = stream_get_meta_data($socket);
		$size       = 0;
		$doingbody  = false;
		$download   = false;
		if ($options['filename']) {
			$download = fopen($options['filename'], 'wb');
		}

		while (!feof($socket)) {
			$this->info = stream_get_meta_data($socket);
			if ($this->info['timed_out']) {
				throw new Requests_Exception('fsocket timed out', 'timeout');
			}

			$block = fread($socket, Requests::BUFFER_SIZE);
			if (!$doingbody) {
				$response .= $block;
				if (strpos($response, "\r\n\r\n")) {
					list($headers, $block) = explode("\r\n\r\n", $response, 2);
					$doingbody             = true;
				}
			}

			// Are we in body mode now?
			if ($doingbody) {
				$options['hooks']->dispatch('request.progress', array($block, $size, $this->max_bytes));
				$data_length = strlen($block);
				if ($this->max_bytes) {
					// Have we already hit a limit?
					if ($size === $this->max_bytes) {
						continue;
					}
					if (($size + $data_length) > $this->max_bytes) {
						// Limit the length
						$limited_length = ($this->max_bytes - $size);
						$block          = substr($block, 0, $limited_length);
					}
				}

				$size += strlen($block);
				if ($download) {
					fwrite($download, $block);
				}
				else {
					$body .= $block;
				}
			}
		}
		$this->headers = $headers;

		if ($download) {
			fclose($download);
		}
		else {
			$this->headers .= "\r\n\r\n" . $body;
		}
		fclose($socket);

		$options['hooks']->dispatch('fsockopen.after_request', array(&$this->headers, &$this->info));
		return $this->headers;
	}

	/**
	 * Send multiple requests simultaneously
	 *
	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
	 * @param array $options Global options, see {@see Requests::response()} for documentation
	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
	 */
	public function request_multiple($requests, $options) {
		$responses = array();
		$class     = get_class($this);
		foreach ($requests as $id => $request) {
			try {
				$handler        = new $class();
				$responses[$id] = $handler->request($request['url'], $request['headers'], $request['data'], $request['options']);

				$request['options']['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$id], $request));
			}
			catch (Requests_Exception $e) {
				$responses[$id] = $e;
			}

			if (!is_string($responses[$id])) {
				$request['options']['hooks']->dispatch('multiple.request.complete', array(&$responses[$id], $id));
			}
		}

		return $responses;
	}

	/**
	 * Retrieve the encodings we can accept
	 *
	 * @return string Accept-Encoding header value
	 */
	protected static function accept_encoding() {
		$type = array();
		if (function_exists('gzinflate')) {
			$type[] = 'deflate;q=1.0';
		}

		if (function_exists('gzuncompress')) {
			$type[] = 'compress;q=0.5';
		}

		$type[] = 'gzip;q=0.5';

		return implode(', ', $type);
	}

	/**
	 * Format a URL given GET data
	 *
	 * @param array $url_parts
	 * @param array|object $data Data to build query using, see {@see https://secure.php.net/http_build_query}
	 * @return string URL with data
	 */
	protected static function format_get($url_parts, $data) {
		if (!empty($data)) {
			if (empty($url_parts['query'])) {
				$url_parts['query'] = '';
			}

			$url_parts['query'] .= '&' . http_build_query($data, '', '&');
			$url_parts['query']  = trim($url_parts['query'], '&');
		}
		if (isset($url_parts['path'])) {
			if (isset($url_parts['query'])) {
				$get = $url_parts['path'] . '?' . $url_parts['query'];
			}
			else {
				$get = $url_parts['path'];
			}
		}
		else {
			$get = '/';
		}
		return $get;
	}

	/**
	 * Error handler for stream_socket_client()
	 *
	 * @param int $errno Error number (e.g. E_WARNING)
	 * @param string $errstr Error message
	 */
	public function connect_error_handler($errno, $errstr) {
		// Double-check we can handle it
		if (($errno & E_WARNING) === 0 && ($errno & E_NOTICE) === 0) {
			// Return false to indicate the default error handler should engage
			return false;
		}

		$this->connect_error .= $errstr . "\n";
		return true;
	}

	/**
	 * Verify the certificate against common name and subject alternative names
	 *
	 * Unfortunately, PHP doesn't check the certificate against the alternative
	 * names, leading things like 'https://www.github.com/' to be invalid.
	 * Instead
	 *
	 * @see https://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
	 *
	 * @throws Requests_Exception On failure to connect via TLS (`fsockopen.ssl.connect_error`)
	 * @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
	 * @param string $host Host name to verify against
	 * @param resource $context Stream context
	 * @return bool
	 */
	public function verify_certificate_from_context($host, $context) {
		$meta = stream_context_get_options($context);

		// If we don't have SSL options, then we couldn't make the connection at
		// all
		if (empty($meta) || empty($meta['ssl']) || empty($meta['ssl']['peer_certificate'])) {
			throw new Requests_Exception(rtrim($this->connect_error), 'ssl.connect_error');
		}

		$cert = openssl_x509_parse($meta['ssl']['peer_certificate']);

		return Requests_SSL::verify_certificate($host, $cert);
	}

	/**
	 * Whether this transport is valid
	 *
	 * @codeCoverageIgnore
	 * @return boolean True if the transport is valid, false otherwise.
	 */
	public static function test($capabilities = array()) {
		if (!function_exists('fsockopen')) {
			return false;
		}

		// If needed, check that streams support SSL
		if (isset($capabilities['ssl']) && $capabilities['ssl']) {
			if (!extension_loaded('openssl') || !function_exists('openssl_x509_parse')) {
				return false;
			}

			// Currently broken, thanks to https://github.com/facebook/hhvm/issues/2156
			if (defined('HHVM_VERSION')) {
				return false;
			}
		}

		return true;
	}
}


1		<?php
2		/**
3		* fsockopen HTTP transport
4		*
5		* @package Requests
6		* @subpackage Transport
7		*/
8
9		/**
10		* fsockopen HTTP transport
11		*
12		* @package Requests
13		* @subpackage Transport
14		*/
15		class Requests_Transport_fsockopen implements Requests_Transport {
16		/**
17		* Second to microsecond conversion
18		*
19		* @var integer
20		*/
21		const SECOND_IN_MICROSECONDS = 1000000;
22
23		/**
24		* Raw HTTP data
25		*
26		* @var string
27		*/
28		public $headers = '';
29
30		/**
31		* Stream metadata
32		*
33		* @var array Associative array of properties, see {@see https://secure.php.net/stream_get_meta_data}
34		*/
35		public $info;
36
37		/**
38		* What's the maximum number of bytes we should keep?
39		*
40		* @var int\|bool Byte count, or false if no limit.
41		*/
42		protected $max_bytes = false;
43
44		protected $connect_error = '';
45
46		/**
47		* Perform a request
48		*
49		* @throws Requests_Exception On failure to connect to socket (`fsockopenerror`)
50		* @throws Requests_Exception On socket timeout (`timeout`)
51		*
52		* @param string $url URL to request
53		* @param array $headers Associative array of request headers
54		* @param string\|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
55		* @param array $options Request options, see {@see Requests::response()} for documentation
56		* @return string Raw HTTP result
57		*/
58		public function request($url, $headers = array(), $data = array(), $options = array()) {
59		$options['hooks']->dispatch('fsockopen.before_request');
60
61		$url_parts = parse_url($url);
62		if (empty($url_parts)) {
63		throw new Requests_Exception('Invalid URL.', 'invalidurl', $url);
64		}
65		$host = $url_parts['host'];
66		$context = stream_context_create();
67		$verifyname = false;
68		$case_insensitive_headers = new Requests_Utility_CaseInsensitiveDictionary($headers);
69
70		// HTTPS support
71		if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
72		$remote_socket = 'ssl://' . $host;
73		if (!isset($url_parts['port'])) {
74		$url_parts['port'] = 443;
75		}
76
77		$context_options = array(
78		'verify_peer' => true,
79		'capture_peer_cert' => true,
80		);
81		$verifyname = true;
82
83		// SNI, if enabled (OpenSSL >=0.9.8j)
84		// phpcs:ignore PHPCompatibility.Constants.NewConstants.openssl_tlsext_server_nameFound
85		if (defined('OPENSSL_TLSEXT_SERVER_NAME') && OPENSSL_TLSEXT_SERVER_NAME) {
86		$context_options['SNI_enabled'] = true;
87	View Code Duplication	if (isset($options['verifyname']) && $options['verifyname'] === false) {
88		$context_options['SNI_enabled'] = false;
89		}
90		}
91
92		if (isset($options['verify'])) {
93		if ($options['verify'] === false) {
94		$context_options['verify_peer'] = false;
95		$context_options['verify_peer_name'] = false;
96		$verifyname = false;
97		}
98		elseif (is_string($options['verify'])) {
99		$context_options['cafile'] = $options['verify'];
100		}
101		}
102
103	View Code Duplication	if (isset($options['verifyname']) && $options['verifyname'] === false) {
104		$context_options['verify_peer_name'] = false;
105		$verifyname = false;
106		}
107
108		stream_context_set_option($context, array('ssl' => $context_options));
109		}
110		else {
111		$remote_socket = 'tcp://' . $host;
112		}
113
114		$this->max_bytes = $options['max_bytes'];
115
116		if (!isset($url_parts['port'])) {
117		$url_parts['port'] = 80;
118		}
119		$remote_socket .= ':' . $url_parts['port'];
120
121		// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_set_error_handler
122		set_error_handler(array($this, 'connect_error_handler'), E_WARNING \| E_NOTICE);
123
124		$options['hooks']->dispatch('fsockopen.remote_socket', array(&$remote_socket));
125
126		$socket = stream_socket_client($remote_socket, $errno, $errstr, ceil($options['connect_timeout']), STREAM_CLIENT_CONNECT, $context);
127
128		restore_error_handler();
129
130		if ($verifyname && !$this->verify_certificate_from_context($host, $context)) {
131		throw new Requests_Exception('SSL certificate did not match the requested domain name', 'ssl.no_match');
132		}
133
134		if (!$socket) {
135		if ($errno === 0) {
136		// Connection issue
137		throw new Requests_Exception(rtrim($this->connect_error), 'fsockopen.connect_error');
138		}
139
140		throw new Requests_Exception($errstr, 'fsockopenerror', null, $errno);
141		}
142
143		$data_format = $options['data_format'];
144
145		if ($data_format === 'query') {
146		$path = self::format_get($url_parts, $data);
		0 ignored issues – show Bug introduced 2016-02-09 23:07 UTC by Report Bug Copy Issue Report It seems like `$data` defined by parameter `$data` on line 58 can also be of type `string`; however, `Requests_Transport_fsockopen::format_get()` does only seem to accept `array\|object`, maybe add an additional type check? This check looks at variables that have been passed in as parameters and are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history...
147		$data = '';
148		}
149		else {
150		$path = self::format_get($url_parts, array());
151		}
152
153		$options['hooks']->dispatch('fsockopen.remote_host_path', array(&$path, $url));
154
155		$request_body = '';
156		$out = sprintf("%s %s HTTP/%.1F\r\n", $options['type'], $path, $options['protocol_version']);
157
158		if ($options['type'] !== Requests::TRACE) {
159		if (is_array($data)) {
160		$request_body = http_build_query($data, '', '&');
161		}
162		else {
163		$request_body = $data;
164		}
165
166		// Always include Content-length on POST requests to prevent
167		// 411 errors from some servers when the body is empty.
168		if (!empty($data) \|\| $options['type'] === Requests::POST) {
169		if (!isset($case_insensitive_headers['Content-Length'])) {
170		$headers['Content-Length'] = strlen($request_body);
171		}
172
173		if (!isset($case_insensitive_headers['Content-Type'])) {
174		$headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
175		}
176		}
177		}
178
179		if (!isset($case_insensitive_headers['Host'])) {
180		$out .= sprintf('Host: %s', $url_parts['host']);
181
182		if ((strtolower($url_parts['scheme']) === 'http' && $url_parts['port'] !== 80) \|\| (strtolower($url_parts['scheme']) === 'https' && $url_parts['port'] !== 443)) {
183		$out .= ':' . $url_parts['port'];
184		}
185		$out .= "\r\n";
186		}
187
188		if (!isset($case_insensitive_headers['User-Agent'])) {
189		$out .= sprintf("User-Agent: %s\r\n", $options['useragent']);
190		}
191
192		$accept_encoding = $this->accept_encoding();
193		if (!isset($case_insensitive_headers['Accept-Encoding']) && !empty($accept_encoding)) {
194		$out .= sprintf("Accept-Encoding: %s\r\n", $accept_encoding);
195		}
196
197		$headers = Requests::flatten($headers);
198
199		if (!empty($headers)) {
200		$out .= implode("\r\n", $headers) . "\r\n";
201		}
202
203		$options['hooks']->dispatch('fsockopen.after_headers', array(&$out));
204
205		if (substr($out, -2) !== "\r\n") {
206		$out .= "\r\n";
207		}
208
209		if (!isset($case_insensitive_headers['Connection'])) {
210		$out .= "Connection: Close\r\n";
211		}
212
213		$out .= "\r\n" . $request_body;
214
215		$options['hooks']->dispatch('fsockopen.before_send', array(&$out));
216
217		fwrite($socket, $out);
218		$options['hooks']->dispatch('fsockopen.after_send', array($out));
219
220		if (!$options['blocking']) {
221		fclose($socket);
222		$fake_headers = '';
223		$options['hooks']->dispatch('fsockopen.after_request', array(&$fake_headers));
224		return '';
225		}
226
227		$timeout_sec = (int) floor($options['timeout']);
228		if ($timeout_sec === $options['timeout']) {
229		$timeout_msec = 0;
230		}
231		else {
232		$timeout_msec = self::SECOND_IN_MICROSECONDS * $options['timeout'] % self::SECOND_IN_MICROSECONDS;
233		}
234		stream_set_timeout($socket, $timeout_sec, $timeout_msec);
235
236		$response = '';
237		$body = '';
238		$headers = '';
239		$this->info = stream_get_meta_data($socket);
240		$size = 0;
241		$doingbody = false;
242		$download = false;
243		if ($options['filename']) {
244		$download = fopen($options['filename'], 'wb');
245		}
246
247		while (!feof($socket)) {
248		$this->info = stream_get_meta_data($socket);
249		if ($this->info['timed_out']) {
250		throw new Requests_Exception('fsocket timed out', 'timeout');
251		}
252
253		$block = fread($socket, Requests::BUFFER_SIZE);
254		if (!$doingbody) {
255		$response .= $block;
256		if (strpos($response, "\r\n\r\n")) {
257		list($headers, $block) = explode("\r\n\r\n", $response, 2);
258		$doingbody = true;
259		}
260		}
261
262		// Are we in body mode now?
263		if ($doingbody) {
264		$options['hooks']->dispatch('request.progress', array($block, $size, $this->max_bytes));
265		$data_length = strlen($block);
266		if ($this->max_bytes) {
267		// Have we already hit a limit?
268		if ($size === $this->max_bytes) {
269		continue;
270		}
271		if (($size + $data_length) > $this->max_bytes) {
272		// Limit the length
273		$limited_length = ($this->max_bytes - $size);
274		$block = substr($block, 0, $limited_length);
275		}
276		}
277
278		$size += strlen($block);
279		if ($download) {
280		fwrite($download, $block);
281		}
282		else {
283		$body .= $block;
284		}
285		}
286		}
287		$this->headers = $headers;
288
289		if ($download) {
290		fclose($download);
291		}
292		else {
293		$this->headers .= "\r\n\r\n" . $body;
294		}
295		fclose($socket);
296
297		$options['hooks']->dispatch('fsockopen.after_request', array(&$this->headers, &$this->info));
298		return $this->headers;
299		}
300
301		/**
302		* Send multiple requests simultaneously
303		*
304		* @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
305		* @param array $options Global options, see {@see Requests::response()} for documentation
306		* @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
307		*/
308		public function request_multiple($requests, $options) {
309		$responses = array();
310		$class = get_class($this);
311		foreach ($requests as $id => $request) {
312		try {
313		$handler = new $class();
314		$responses[$id] = $handler->request($request['url'], $request['headers'], $request['data'], $request['options']);
315
316		$request['options']['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$id], $request));
317		}
318		catch (Requests_Exception $e) {
319		$responses[$id] = $e;
320		}
321
322	View Code Duplication	if (!is_string($responses[$id])) {
323		$request['options']['hooks']->dispatch('multiple.request.complete', array(&$responses[$id], $id));
324		}
325		}
326
327		return $responses;
328		}
329
330		/**
331		* Retrieve the encodings we can accept
332		*
333		* @return string Accept-Encoding header value
334		*/
335		protected static function accept_encoding() {
336		$type = array();
337		if (function_exists('gzinflate')) {
338		$type[] = 'deflate;q=1.0';
339		}
340
341		if (function_exists('gzuncompress')) {
342		$type[] = 'compress;q=0.5';
343		}
344
345		$type[] = 'gzip;q=0.5';
346
347		return implode(', ', $type);
348		}
349
350		/**
351		* Format a URL given GET data
352		*
353		* @param array $url_parts
354		* @param array\|object $data Data to build query using, see {@see https://secure.php.net/http_build_query}
355		* @return string URL with data
356		*/
357		protected static function format_get($url_parts, $data) {
358		if (!empty($data)) {
359		if (empty($url_parts['query'])) {
360		$url_parts['query'] = '';
361		}
362
363		$url_parts['query'] .= '&' . http_build_query($data, '', '&');
364		$url_parts['query'] = trim($url_parts['query'], '&');
365		}
366		if (isset($url_parts['path'])) {
367		if (isset($url_parts['query'])) {
368		$get = $url_parts['path'] . '?' . $url_parts['query'];
369		}
370		else {
371		$get = $url_parts['path'];
372		}
373		}
374		else {
375		$get = '/';
376		}
377		return $get;
378		}
379
380		/**
381		* Error handler for stream_socket_client()
382		*
383		* @param int $errno Error number (e.g. E_WARNING)
384		* @param string $errstr Error message
385		*/
386		public function connect_error_handler($errno, $errstr) {
387		// Double-check we can handle it
388		if (($errno & E_WARNING) === 0 && ($errno & E_NOTICE) === 0) {
389		// Return false to indicate the default error handler should engage
390		return false;
391		}
392
393		$this->connect_error .= $errstr . "\n";
394		return true;
395		}
396
397		/**
398		* Verify the certificate against common name and subject alternative names
399		*
400		* Unfortunately, PHP doesn't check the certificate against the alternative
401		* names, leading things like 'https://www.github.com/' to be invalid.
402		* Instead
403		*
404		* @see https://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
405		*
406		* @throws Requests_Exception On failure to connect via TLS (`fsockopen.ssl.connect_error`)
407		* @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
408		* @param string $host Host name to verify against
409		* @param resource $context Stream context
410		* @return bool
411		*/
412		public function verify_certificate_from_context($host, $context) {
413		$meta = stream_context_get_options($context);
414
415		// If we don't have SSL options, then we couldn't make the connection at
416		// all
417		if (empty($meta) \|\| empty($meta['ssl']) \|\| empty($meta['ssl']['peer_certificate'])) {
418		throw new Requests_Exception(rtrim($this->connect_error), 'ssl.connect_error');
419		}
420
421		$cert = openssl_x509_parse($meta['ssl']['peer_certificate']);
422
423		return Requests_SSL::verify_certificate($host, $cert);
424		}
425
426		/**
427		* Whether this transport is valid
428		*
429		* @codeCoverageIgnore
430		* @return boolean True if the transport is valid, false otherwise.
431		*/
432		public static function test($capabilities = array()) {
433		if (!function_exists('fsockopen')) {
434		return false;
435		}
436
437		// If needed, check that streams support SSL
438		if (isset($capabilities['ssl']) && $capabilities['ssl']) {
439		if (!extension_loaded('openssl') \|\| !function_exists('openssl_x509_parse')) {
440		return false;
441		}
442
443		// Currently broken, thanks to https://github.com/facebook/hhvm/issues/2156
444		if (defined('HHVM_VERSION')) {
445		return false;
446		}
447		}
448
449		return true;
450		}
451		}
452

rmccue / Requests

connect_error_handler() A last analyzed 2020-11-18 15:14 UTC

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connect_error_handler() A
last analyzed 2020-11-18 15:14 UTC