/**
* Send a HTTP request to a URI using streams with fopen().
*
* @access public
* @since 2.7.0
*
* @param string $url
* @param str|array $args Optional. Override the defaults.
* @return array 'headers', 'body', 'cookies' and 'response' keys.
*/
function request($url, $args = array())
{
$defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array());
$r = wp_parse_args($args, $defaults);
if (isset($r['headers']['User-Agent'])) {
$r['user-agent'] = $r['headers']['User-Agent'];
unset($r['headers']['User-Agent']);
} else {
if (isset($r['headers']['user-agent'])) {
$r['user-agent'] = $r['headers']['user-agent'];
unset($r['headers']['user-agent']);
}
}
// Construct Cookie: header if any cookies are set
WP_Http::buildCookieHeader($r);
$arrURL = parse_url($url);
if (false === $arrURL) {
return new WP_Error('http_request_failed', sprintf(__('Malformed URL: %s'), $url));
}
if ('http' != $arrURL['scheme'] && 'https' != $arrURL['scheme']) {
$url = preg_replace('|^' . preg_quote($arrURL['scheme'], '|') . '|', 'http', $url);
}
// Convert Header array to string.
$strHeaders = '';
if (is_array($r['headers'])) {
foreach ($r['headers'] as $name => $value) {
$strHeaders .= "{$name}: {$value}\r\n";
}
} else {
if (is_string($r['headers'])) {
$strHeaders = $r['headers'];
}
}
$is_local = isset($args['local']) && $args['local'];
$ssl_verify = isset($args['sslverify']) && $args['sslverify'];
if ($is_local) {
$ssl_verify = apply_filters('https_local_ssl_verify', $ssl_verify);
} elseif (!$is_local) {
$ssl_verify = apply_filters('https_ssl_verify', $ssl_verify);
}
$arrContext = array('http' => array('method' => strtoupper($r['method']), 'user_agent' => $r['user-agent'], 'max_redirects' => $r['redirection'], 'protocol_version' => (double) $r['httpversion'], 'header' => $strHeaders, 'timeout' => $r['timeout'], 'ssl' => array('verify_peer' => $ssl_verify, 'verify_host' => $ssl_verify)));
$proxy = new WP_HTTP_Proxy();
if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
$arrContext['http']['proxy'] = 'tcp://' . $proxy->host() . ':' . $proxy->port();
$arrContext['http']['request_fulluri'] = true;
// We only support Basic authentication so this will only work if that is what your proxy supports.
if ($proxy->use_authentication()) {
$arrContext['http']['header'] .= $proxy->authentication_header() . "\r\n";
}
}
if (!is_null($r['body']) && !empty($r['body'])) {
$arrContext['http']['content'] = $r['body'];
}
$context = stream_context_create($arrContext);
if (!WP_DEBUG) {
$handle = @fopen($url, 'r', false, $context);
} else {
$handle = fopen($url, 'r', false, $context);
}
if (!$handle) {
return new WP_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $url));
}
// WordPress supports PHP 4.3, which has this function. Removed sanity checking for
// performance reasons.
stream_set_timeout($handle, $r['timeout']);
if (!$r['blocking']) {
stream_set_blocking($handle, 0);
fclose($handle);
return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array());
}
$strResponse = stream_get_contents($handle);
$meta = stream_get_meta_data($handle);
fclose($handle);
$processedHeaders = array();
if (isset($meta['wrapper_data']['headers'])) {
$processedHeaders = WP_Http::processHeaders($meta['wrapper_data']['headers']);
} else {
$processedHeaders = WP_Http::processHeaders($meta['wrapper_data']);
}
if (!empty($strResponse) && isset($processedHeaders['headers']['transfer-encoding']) && 'chunked' == $processedHeaders['headers']['transfer-encoding']) {
$strResponse = WP_Http::chunkTransferDecode($strResponse);
}
if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($processedHeaders['headers'])) {
$strResponse = WP_Http_Encoding::decompress($strResponse);
}
return array('headers' => $processedHeaders['headers'], 'body' => $strResponse, 'response' => $processedHeaders['response'], 'cookies' => $processedHeaders['cookies']);
}
/**
* Send a HTTP request to a URI using PHP Streams.
*
* @see WP_Http::request For default options descriptions.
*
* @since 2.7.0
* @since 3.7.0 Combined with the fsockopen transport and switched to stream_socket_client().
*
* @access public
* @param string $url The request URL.
* @param string|array $args Optional. Override the defaults.
* @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
*/
public function request($url, $args = array())
{
$defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array());
$r = wp_parse_args($args, $defaults);
if (isset($r['headers']['User-Agent'])) {
$r['user-agent'] = $r['headers']['User-Agent'];
unset($r['headers']['User-Agent']);
} elseif (isset($r['headers']['user-agent'])) {
$r['user-agent'] = $r['headers']['user-agent'];
unset($r['headers']['user-agent']);
}
// Construct Cookie: header if any cookies are set.
WP_Http::buildCookieHeader($r);
$arrURL = parse_url($url);
$connect_host = $arrURL['host'];
$secure_transport = $arrURL['scheme'] == 'ssl' || $arrURL['scheme'] == 'https';
if (!isset($arrURL['port'])) {
if ($arrURL['scheme'] == 'ssl' || $arrURL['scheme'] == 'https') {
$arrURL['port'] = 443;
$secure_transport = true;
} else {
$arrURL['port'] = 80;
}
}
// Always pass a Path, defaulting to the root in cases such as http://example.com
if (!isset($arrURL['path'])) {
$arrURL['path'] = '/';
}
if (isset($r['headers']['Host']) || isset($r['headers']['host'])) {
if (isset($r['headers']['Host'])) {
$arrURL['host'] = $r['headers']['Host'];
} else {
$arrURL['host'] = $r['headers']['host'];
}
unset($r['headers']['Host'], $r['headers']['host']);
}
/*
* Certain versions of PHP have issues with 'localhost' and IPv6, It attempts to connect
* to ::1, which fails when the server is not set up for it. For compatibility, always
* connect to the IPv4 address.
*/
if ('localhost' == strtolower($connect_host)) {
$connect_host = '127.0.0.1';
}
$connect_host = $secure_transport ? 'ssl://' . $connect_host : 'tcp://' . $connect_host;
$is_local = isset($r['local']) && $r['local'];
$ssl_verify = isset($r['sslverify']) && $r['sslverify'];
if ($is_local) {
/**
* Filter whether SSL should be verified for local requests.
*
* @since 2.8.0
*
* @param bool $ssl_verify Whether to verify the SSL connection. Default true.
*/
$ssl_verify = apply_filters('https_local_ssl_verify', $ssl_verify);
} elseif (!$is_local) {
/**
* Filter whether SSL should be verified for non-local requests.
*
* @since 2.8.0
*
* @param bool $ssl_verify Whether to verify the SSL connection. Default true.
*/
$ssl_verify = apply_filters('https_ssl_verify', $ssl_verify);
}
$proxy = new WP_HTTP_Proxy();
$context = stream_context_create(array('ssl' => array('verify_peer' => $ssl_verify, 'capture_peer_cert' => $ssl_verify, 'SNI_enabled' => true, 'cafile' => $r['sslcertificates'], 'allow_self_signed' => !$ssl_verify)));
$timeout = (int) floor($r['timeout']);
$utimeout = $timeout == $r['timeout'] ? 0 : 1000000 * $r['timeout'] % 1000000;
$connect_timeout = max($timeout, 1);
// Store error number.
$connection_error = null;
// Store error string.
$connection_error_str = null;
if (!WP_DEBUG) {
// In the event that the SSL connection fails, silence the many PHP Warnings.
if ($secure_transport) {
$error_reporting = error_reporting(0);
}
if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
$handle = @stream_socket_client('tcp://' . $proxy->host() . ':' . $proxy->port(), $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context);
} else {
$handle = @stream_socket_client($connect_host . ':' . $arrURL['port'], $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context);
}
if ($secure_transport) {
error_reporting($error_reporting);
}
} else {
if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
$handle = stream_socket_client('tcp://' . $proxy->host() . ':' . $proxy->port(), $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context);
} else {
$handle = stream_socket_client($connect_host . ':' . $arrURL['port'], $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context);
}
}
if (false === $handle) {
// SSL connection failed due to expired/invalid cert, or, OpenSSL configuration is broken.
if ($secure_transport && 0 === $connection_error && '' === $connection_error_str) {
return new WP_Error('http_request_failed', __('The SSL certificate for the host could not be verified.'));
}
return new WP_Error('http_request_failed', $connection_error . ': ' . $connection_error_str);
}
// Verify that the SSL certificate is valid for this request.
if ($secure_transport && $ssl_verify && !$proxy->is_enabled()) {
if (!self::verify_ssl_certificate($handle, $arrURL['host'])) {
return new WP_Error('http_request_failed', __('The SSL certificate for the host could not be verified.'));
}
}
stream_set_timeout($handle, $timeout, $utimeout);
if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
//Some proxies require full URL in this field.
$requestPath = $url;
} else {
$requestPath = $arrURL['path'] . (isset($arrURL['query']) ? '?' . $arrURL['query'] : '');
}
$strHeaders = strtoupper($r['method']) . ' ' . $requestPath . ' HTTP/' . $r['httpversion'] . "\r\n";
$include_port_in_host_header = $proxy->is_enabled() && $proxy->send_through_proxy($url) || 'http' == $arrURL['scheme'] && 80 != $arrURL['port'] || 'https' == $arrURL['scheme'] && 443 != $arrURL['port'];
if ($include_port_in_host_header) {
$strHeaders .= 'Host: ' . $arrURL['host'] . ':' . $arrURL['port'] . "\r\n";
} else {
$strHeaders .= 'Host: ' . $arrURL['host'] . "\r\n";
}
if (isset($r['user-agent'])) {
$strHeaders .= 'User-agent: ' . $r['user-agent'] . "\r\n";
}
if (is_array($r['headers'])) {
foreach ((array) $r['headers'] as $header => $headerValue) {
$strHeaders .= $header . ': ' . $headerValue . "\r\n";
}
} else {
$strHeaders .= $r['headers'];
}
if ($proxy->use_authentication()) {
$strHeaders .= $proxy->authentication_header() . "\r\n";
}
$strHeaders .= "\r\n";
if (!is_null($r['body'])) {
$strHeaders .= $r['body'];
}
fwrite($handle, $strHeaders);
if (!$r['blocking']) {
stream_set_blocking($handle, 0);
fclose($handle);
return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array());
}
$strResponse = '';
$bodyStarted = false;
$keep_reading = true;
$block_size = 4096;
if (isset($r['limit_response_size'])) {
$block_size = min($block_size, $r['limit_response_size']);
}
// If streaming to a file setup the file handle.
if ($r['stream']) {
if (!WP_DEBUG) {
$stream_handle = @fopen($r['filename'], 'w+');
} else {
$stream_handle = fopen($r['filename'], 'w+');
}
if (!$stream_handle) {
return new WP_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $r['filename']));
}
$bytes_written = 0;
while (!feof($handle) && $keep_reading) {
$block = fread($handle, $block_size);
if (!$bodyStarted) {
$strResponse .= $block;
if (strpos($strResponse, "\r\n\r\n")) {
$process = WP_Http::processResponse($strResponse);
$bodyStarted = true;
$block = $process['body'];
unset($strResponse);
$process['body'] = '';
}
}
$this_block_size = strlen($block);
if (isset($r['limit_response_size']) && $bytes_written + $this_block_size > $r['limit_response_size']) {
$this_block_size = $r['limit_response_size'] - $bytes_written;
$block = substr($block, 0, $this_block_size);
}
$bytes_written_to_file = fwrite($stream_handle, $block);
if ($bytes_written_to_file != $this_block_size) {
fclose($handle);
fclose($stream_handle);
return new WP_Error('http_request_failed', __('Failed to write request to temporary file.'));
}
$bytes_written += $bytes_written_to_file;
$keep_reading = !isset($r['limit_response_size']) || $bytes_written < $r['limit_response_size'];
}
fclose($stream_handle);
} else {
$header_length = 0;
while (!feof($handle) && $keep_reading) {
$block = fread($handle, $block_size);
$strResponse .= $block;
if (!$bodyStarted && strpos($strResponse, "\r\n\r\n")) {
$header_length = strpos($strResponse, "\r\n\r\n") + 4;
$bodyStarted = true;
}
$keep_reading = !$bodyStarted || !isset($r['limit_response_size']) || strlen($strResponse) < $header_length + $r['limit_response_size'];
}
$process = WP_Http::processResponse($strResponse);
unset($strResponse);
}
fclose($handle);
$arrHeaders = WP_Http::processHeaders($process['headers'], $url);
$response = array('headers' => $arrHeaders['headers'], 'body' => null, 'response' => $arrHeaders['response'], 'cookies' => $arrHeaders['cookies'], 'filename' => $r['filename']);
// Handle redirects.
if (false !== ($redirect_response = WP_HTTP::handle_redirects($url, $r, $response))) {
return $redirect_response;
}
// If the body was chunk encoded, then decode it.
if (!empty($process['body']) && isset($arrHeaders['headers']['transfer-encoding']) && 'chunked' == $arrHeaders['headers']['transfer-encoding']) {
$process['body'] = WP_Http::chunkTransferDecode($process['body']);
}
if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($arrHeaders['headers'])) {
$process['body'] = WP_Http_Encoding::decompress($process['body']);
}
if (isset($r['limit_response_size']) && strlen($process['body']) > $r['limit_response_size']) {
$process['body'] = substr($process['body'], 0, $r['limit_response_size']);
}
$response['body'] = $process['body'];
return $response;
}
/**
* Send a HTTP request to a URI using streams with fopen().
*
* @access public
* @since 2.7.0
*
* @param string $url
* @param str|array $args Optional. Override the defaults.
* @return array 'headers', 'body', and 'response' keys.
*/
function request($url, $args = array())
{
$defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null);
$r = wp_parse_args($args, $defaults);
if (isset($r['headers']['User-Agent'])) {
$r['user-agent'] = $r['headers']['User-Agent'];
unset($r['headers']['User-Agent']);
} else {
if (isset($r['headers']['user-agent'])) {
$r['user-agent'] = $r['headers']['user-agent'];
unset($r['headers']['user-agent']);
}
}
$arrURL = parse_url($url);
if (false === $arrURL) {
return new WP_Error('http_request_failed', sprintf(__('Malformed URL: %s'), $url));
}
if ('http' != $arrURL['scheme'] && 'https' != $arrURL['scheme']) {
$url = str_replace($arrURL['scheme'], 'http', $url);
}
// Convert Header array to string.
$strHeaders = '';
if (is_array($r['headers'])) {
foreach ($r['headers'] as $name => $value) {
$strHeaders .= "{$name}: {$value}\r\n";
}
} else {
if (is_string($r['headers'])) {
$strHeaders = $r['headers'];
}
}
$arrContext = array('http' => array('method' => strtoupper($r['method']), 'user_agent' => $r['user-agent'], 'max_redirects' => $r['redirection'], 'protocol_version' => (double) $r['httpversion'], 'header' => $strHeaders, 'timeout' => $r['timeout']));
if (!is_null($r['body']) && !empty($r['body'])) {
$arrContext['http']['content'] = $r['body'];
}
$context = stream_context_create($arrContext);
if (!defined('WP_DEBUG') || defined('WP_DEBUG') && false === WP_DEBUG) {
$handle = @fopen($url, 'r', false, $context);
} else {
$handle = fopen($url, 'r', false, $context);
}
if (!$handle) {
return new WP_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $url));
}
// WordPress supports PHP 4.3, which has this function. Removed sanity
// checking for performance reasons.
stream_set_timeout($handle, $r['timeout']);
if (!$r['blocking']) {
stream_set_blocking($handle, 0);
fclose($handle);
return array('headers' => array(), 'body' => '', 'response' => array('code', 'message'));
}
$strResponse = stream_get_contents($handle);
$meta = stream_get_meta_data($handle);
fclose($handle);
$processedHeaders = array();
if (isset($meta['wrapper_data']['headers'])) {
$processedHeaders = WP_Http::processHeaders($meta['wrapper_data']['headers']);
} else {
$processedHeaders = WP_Http::processHeaders($meta['wrapper_data']);
}
if (!empty($strResponse) && isset($processedHeaders['headers']['transfer-encoding']) && 'chunked' == $processedHeaders['headers']['transfer-encoding']) {
$strResponse = WP_Http::chunkTransferDecode($strResponse);
}
if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($processedHeaders)) {
$strResponse = WP_Http_Encoding::decompress($strResponse);
}
return array('headers' => $processedHeaders['headers'], 'body' => $strResponse, 'response' => $processedHeaders['response']);
}
