/**
* 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());
$r = nxt_parse_args($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
nxt_Http::buildCookieHeader($r);
$arrURL = parse_url($url);
if (false === $arrURL) {
return new nxt_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)));
$proxy = new nxt_HTTP_Proxy();
if ($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 (!defined('nxt_DEBUG') || defined('nxt_DEBUG') && false === nxt_DEBUG) {
$handle = @fopen($url, 'r', false, $context);
} else {
$handle = fopen($url, 'r', false, $context);
}
if (!$handle) {
return new nxt_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $url));
}
// NXTClass supports PHP 4.3, which has this function. Removed sanity checking for
// performance reasons.
stream_set_timeout($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'])) {
$processedHeaders = nxt_Http::processHeaders($meta['wrapper_data']['headers']);
} else {
$processedHeaders = nxt_Http::processHeaders($meta['wrapper_data']);
}
if (!empty($strResponse) && isset($processedHeaders['headers']['transfer-encoding']) && 'chunked' == $processedHeaders['headers']['transfer-encoding']) {
$strResponse = nxt_Http::chunkTransferDecode($strResponse);
}
if (true === $r['decompress'] && true === nxt_Http_Encoding::should_decode($processedHeaders['headers'])) {
$strResponse = nxt_Http_Encoding::decompress($strResponse);
}
return array('headers' => $processedHeaders['headers'], 'body' => $strResponse, 'response' => $processedHeaders['response'], 'cookies' => $processedHeaders['cookies']);
}
/**
* Send a HTTP request to a URI using streams with fopen().
*
* @access public
* @since 2.7.0
*
* @param string $url
* @param str|array $args Optional. Override the defaults.
* @return array 'headers', 'body', 'response', 'cookies' and 'filename' keys.
*/
function request($url, $args = array())
{
$defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array());
$r = nxt_parse_args($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
nxt_Http::buildCookieHeader($r);
$arrURL = parse_url($url);
if (false === $arrURL) {
return new nxt_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'] + 1, 'protocol_version' => (double) $r['httpversion'], 'header' => $strHeaders, 'ignore_errors' => true, 'timeout' => $r['timeout'], 'ssl' => array('verify_peer' => $ssl_verify, 'verify_host' => $ssl_verify)));
$proxy = new nxt_HTTP_Proxy();
if ($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'] .= $proxy->authentication_header() . "\r\n";
}
}
if (!empty($r['body'])) {
$arrContext['http']['content'] = $r['body'];
}
$context = stream_context_create($arrContext);
if (!nxt_DEBUG) {
$handle = @fopen($url, 'r', false, $context);
} else {
$handle = fopen($url, 'r', false, $context);
}
if (!$handle) {
return new nxt_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $url));
}
$timeout = (int) floor($r['timeout']);
$utimeout = $timeout == $r['timeout'] ? 0 : 1000000 * $r['timeout'] % 1000000;
stream_set_timeout($handle, $timeout, $utimeout);
if (!$r['blocking']) {
stream_set_blocking($handle, 0);
fclose($handle);
return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array());
}
if ($r['stream']) {
if (!nxt_DEBUG) {
$stream_handle = @fopen($r['filename'], 'w+');
} else {
$stream_handle = fopen($r['filename'], 'w+');
}
if (!$stream_handle) {
return new nxt_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $r['filename']));
}
stream_copy_to_stream($handle, $stream_handle);
fclose($stream_handle);
$strResponse = '';
} else {
$strResponse = stream_get_contents($handle);
}
$meta = stream_get_meta_data($handle);
fclose($handle);
$processedHeaders = array();
if (isset($meta['wrapper_data']['headers'])) {
$processedHeaders = nxt_Http::processHeaders($meta['wrapper_data']['headers']);
} else {
$processedHeaders = nxt_Http::processHeaders($meta['wrapper_data']);
}
// Streams does not provide an error code which we can use to see why the request stream stopped.
// We can however test to see if a location header is present and return based on that.
if (isset($processedHeaders['headers']['location']) && 0 !== $args['_redirection']) {
return new nxt_Error('http_request_failed', __('Too many redirects.'));
}
if (!empty($strResponse) && isset($processedHeaders['headers']['transfer-encoding']) && 'chunked' == $processedHeaders['headers']['transfer-encoding']) {
$strResponse = nxt_Http::chunkTransferDecode($strResponse);
}
if (true === $r['decompress'] && true === nxt_Http_Encoding::should_decode($processedHeaders['headers'])) {
$strResponse = nxt_Http_Encoding::decompress($strResponse);
}
return array('headers' => $processedHeaders['headers'], 'body' => $strResponse, 'response' => $processedHeaders['response'], 'cookies' => $processedHeaders['cookies'], 'filename' => $r['filename']);
}
