/**
* Send a HTTP request to a URI using fsockopen().
*
* Does not support non-blocking mode.
*
* @param string $url URI resource.
* @param array $r Optional. Override the defaults.
*
* @return array 'headers', 'body', 'cookies' and 'response' keys.
*/
protected function _doExecute($url, $r)
{
$iError = null;
// Store error number
$strError = null;
// Store error string
$arrURL = parse_url($url);
$fsockopen_host = $arrURL['host'];
$secure_transport = false;
if (!isset($arrURL['port'])) {
if (($arrURL['scheme'] == 'ssl' || $arrURL['scheme'] == 'https') && extension_loaded('openssl')) {
$fsockopen_host = "ssl://{$fsockopen_host}";
$arrURL['port'] = 443;
$secure_transport = true;
} else {
$arrURL['port'] = 80;
}
}
//fsockopen has issues with 'localhost' with IPv6 with certain versions of PHP, It attempts to connect to ::1,
// which fails when the server is not set up for it. For compatibility, always connect to the IPv4 address.
if ('localhost' == strtolower($fsockopen_host)) {
$fsockopen_host = '127.0.0.1';
}
// There are issues with the HTTPS and SSL protocols that cause errors that can be safely
// ignored and should be ignored.
if (true === $secure_transport) {
$error_reporting = error_reporting(0);
}
$handle = @fsockopen($fsockopen_host, $arrURL['port'], $iError, $strError, $r[org_tubepress_impl_http_HttpClientChain::ARGS_TIMEOUT]);
if (false === $handle) {
throw new Exception($iError . ': ' . $strError);
}
$timeout = (int) floor($r['timeout']);
$utimeout = $timeout == $r['timeout'] ? 0 : 1000000 * $r['timeout'] % 1000000;
stream_set_timeout($handle, $timeout, $utimeout);
$requestPath = $arrURL['path'] . (isset($arrURL['query']) ? '?' . $arrURL['query'] : '');
if (empty($requestPath)) {
$requestPath .= '/';
}
$strHeaders = strtoupper($r[org_tubepress_impl_http_HttpClientChain::ARGS_METHOD]) . ' ' . $requestPath . ' HTTP/' . $r[org_tubepress_impl_http_HttpClientChain::ARGS_HTTP_VERSION] . "\r\n";
$strHeaders .= 'Host: ' . $arrURL['host'] . "\r\n";
if (isset($r[org_tubepress_impl_http_HttpClientChain::ARGS_USER_AGENT])) {
$strHeaders .= org_tubepress_api_http_HttpClient::HTTP_HEADER_USER_AGENT . ': ' . $r[org_tubepress_impl_http_HttpClientChain::ARGS_USER_AGENT] . "\r\n";
}
if (is_array($r[org_tubepress_impl_http_HttpClientChain::ARGS_HEADERS])) {
foreach ((array) $r[org_tubepress_impl_http_HttpClientChain::ARGS_HEADERS] as $header => $headerValue) {
$strHeaders .= $header . ': ' . $headerValue . "\r\n";
}
} else {
$strHeaders .= $r[org_tubepress_impl_http_HttpClientChain::ARGS_HEADERS];
}
$strHeaders .= "\r\n";
if (!is_null($r[org_tubepress_impl_http_HttpClientChain::ARGS_BODY])) {
$strHeaders .= $r[org_tubepress_impl_http_HttpClientChain::ARGS_BODY];
}
fwrite($handle, $strHeaders);
$strResponse = '';
while (!feof($handle)) {
$strResponse .= fread($handle, 4096);
}
fclose($handle);
if (true === $secure_transport) {
error_reporting($error_reporting);
}
$process = self::_breakRawStringResponseIntoHeaderAndBody($strResponse);
$arrHeaders = self::_getProcessedHeaders($process['headers']);
// If location is found, then assume redirect and redirect to location.
if (isset($arrHeaders['headers']['location'])) {
if ($this->_canRedirect()) {
return $this->_doExecute($arrHeaders['headers']['location'], $r);
} else {
throw new Exception('Too many redirects.');
}
}
// If the body was chunk encoded, then decode it.
if (!empty($process['body']) && isset($arrHeaders['headers']['transfer-encoding']) && 'chunked' == $arrHeaders['headers']['transfer-encoding']) {
$process['body'] = org_tubepress_impl_http_clientimpl_Encoding::chunkTransferDecode($process['body']);
}
if (true === $r[org_tubepress_impl_http_HttpClientChain::ARGS_DECOMPRESS] && true === org_tubepress_impl_http_clientimpl_Encoding::shouldDecode($arrHeaders['headers'])) {
$process['body'] = org_tubepress_impl_http_clientimpl_Encoding::decompress($process['body']);
}
return array('headers' => $arrHeaders['headers'], 'body' => $process['body'], 'response' => $arrHeaders['response'], 'cookies' => $arrHeaders['cookies']);
}
/**
* Send a HTTP request to a URI using fopen().
*
* This transport does not support sending of headers and body, therefore should not be used in
* the instances, where there is a body and headers.
*
* @param string $url URI resource.
* @param array $args Optional. Override the defaults.
*
* @return array 'headers', 'body', 'cookies' and 'response' keys.
*/
protected function _doExecute($url, $r)
{
$arrURL = parse_url($url);
if ('http' != $arrURL['scheme'] && 'https' != $arrURL['scheme']) {
$url = str_replace($arrURL['scheme'], 'http', $url);
}
$initialUserAgent = ini_get(self::INI_USER_AGENT);
if (!empty($r[org_tubepress_impl_http_HttpClientChain::ARGS_HEADERS]) && is_array($r[org_tubepress_impl_http_HttpClientChain::ARGS_HEADERS])) {
$user_agent_extra_headers = '';
foreach ($r[org_tubepress_impl_http_HttpClientChain::ARGS_HEADERS] as $header => $value) {
$user_agent_extra_headers .= "\r\n{$header}: {$value}";
}
@ini_set(self::INI_USER_AGENT, $r[org_tubepress_impl_http_HttpClientChain::ARGS_HEADERS] . $user_agent_extra_headers);
} else {
@ini_set(self::INI_USER_AGENT, $r[org_tubepress_impl_http_HttpClientChain::ARGS_HEADERS]);
}
$handle = @fopen($url, 'r');
if (!$handle) {
throw new Exception(sprintf('Could not open handle for fopen() to %s'), $url);
}
$timeout = (int) floor($r[org_tubepress_impl_http_HttpClientChain::ARGS_TIMEOUT]);
$utimeout = $timeout == $r[org_tubepress_impl_http_HttpClientChain::ARGS_TIMEOUT] ? 0 : 1000000 * $r['timeout'] % 1000000;
stream_set_timeout($handle, $timeout, $utimeout);
$strResponse = '';
while (!feof($handle)) {
$strResponse .= fread($handle, 4096);
}
if (function_exists('stream_get_meta_data')) {
$meta = stream_get_meta_data($handle);
$theHeaders = $meta['wrapper_data'];
if (isset($meta['wrapper_data']['headers'])) {
$theHeaders = $meta['wrapper_data']['headers'];
}
} else {
//$http_response_header is a PHP reserved variable which is set in the current-scope when using the HTTP Wrapper
//see http://php.oregonstate.edu/manual/en/reserved.variables.httpresponseheader.php
$theHeaders = $http_response_header;
}
fclose($handle);
@ini_set(self::INI_USER_AGENT, $initialUserAgent);
//Clean up any extra headers added
$processedHeaders = self::_getProcessedHeaders($theHeaders);
if (!empty($strResponse) && isset($processedHeaders['headers']['transfer-encoding']) && 'chunked' == $processedHeaders['headers']['transfer-encoding']) {
$strResponse = org_tubepress_impl_http_clientimpl_Encoding::chunkTransferDecode($strResponse);
}
if (true === $r['decompress'] && true === org_tubepress_impl_http_clientimpl_Encoding::shouldDecode($processedHeaders['headers'])) {
$strResponse = org_tubepress_impl_http_clientimpl_Encoding::decompress($strResponse);
}
return array('headers' => $processedHeaders['headers'], 'body' => $strResponse, 'response' => $processedHeaders['response'], 'cookies' => $processedHeaders['cookies']);
}
