/**
* Send a request to the server and return a Response object with the response.
*
* @param RequestInterface $request The request object to store request params.
*
* @return ResponseInterface
*
* @since 2.1
*/
protected function doRequest(RequestInterface $request)
{
// Setup the cURL handle.
$ch = curl_init();
// Set the request method.
$options[CURLOPT_CUSTOMREQUEST] = $request->getMethod();
// Don't wait for body when $method is HEAD
$options[CURLOPT_NOBODY] = $request->getMethod() === 'HEAD';
// Initialize the certificate store
$options[CURLOPT_CAINFO] = $this->getOption('certpath', __DIR__ . '/cacert.pem');
// Set HTTP Version
switch ($request->getProtocolVersion()) {
case '1.0':
$options[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_0;
break;
case '1.1':
$options[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_1;
break;
case '2.0':
if (defined('CURL_HTTP_VERSION_2_0')) {
$options[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_2_0;
}
}
// If data exists let's encode it and make sure our Content-type header is set.
$data = (string) $request->getBody();
if (isset($data)) {
// If the data is a scalar value simply add it to the cURL post fields.
if (is_scalar($data) || strpos($request->getHeaderLine('Content-Type'), 'multipart/form-data') === 0) {
$options[CURLOPT_POSTFIELDS] = $data;
} else {
$options[CURLOPT_POSTFIELDS] = http_build_query($data);
}
if (!$request->getHeaderLine('Content-Type')) {
$request = $request->withHeader('Content-Type', 'application/x-www-form-urlencoded; charset=utf-8');
}
// Add the relevant headers.
if (is_scalar($options[CURLOPT_POSTFIELDS])) {
$request = $request->withHeader('Content-Length', strlen($options[CURLOPT_POSTFIELDS]));
}
}
// Build the headers string for the request.
if ($headers = $request->getHeaders()) {
// Add the headers string into the stream context options array.
$options[CURLOPT_HTTPHEADER] = HeaderHelper::toHeaderLine($headers);
}
// If an explicit timeout is given user it.
if ($timeout = $this->getOption('timeout')) {
$options[CURLOPT_TIMEOUT] = (int) $timeout;
$options[CURLOPT_CONNECTTIMEOUT] = (int) $timeout;
}
// If an explicit user agent is given use it.
if ($userAgent = $this->getOption('userAgent')) {
$options[CURLOPT_USERAGENT] = $userAgent;
}
// Set the request URL.
$options[CURLOPT_URL] = (string) $request->getRequestTarget();
// We want our headers. :-)
$options[CURLOPT_HEADER] = true;
// Return it... echoing it would be tacky.
$options[CURLOPT_RETURNTRANSFER] = true;
// Override the Expect header to prevent cURL from confusing itself in its own stupidity.
// Link: http://the-stickman.com/web-development/php-and-curl-disabling-100-continue-header/
$options[CURLOPT_HTTPHEADER][] = 'Expect:';
/*
* Follow redirects if server config allows
* @deprecated safe_mode is removed in PHP 5.4, check will be dropped when PHP 5.3 support is dropped
*/
if (!ini_get('safe_mode') && !ini_get('open_basedir')) {
$options[CURLOPT_FOLLOWLOCATION] = (bool) isset($this->options['follow_location']) ? $this->options['follow_location'] : true;
}
// Set any custom transport options
if ($this->getOption('options')) {
foreach ((array) $this->getOption('options') as $key => $value) {
$options[$key] = $value;
}
}
// Set the cURL options.
curl_setopt_array($ch, $options);
// Execute the request and close the connection.
$content = curl_exec($ch);
if (!$this->getOption('allow_empty_result', false) && !trim($content)) {
$message = curl_error($ch);
// Error but nothing from cURL? Create our own
$message = $message ?: 'No HTTP response received';
throw new \RuntimeException($message);
}
// Get the request information.
$info = curl_getinfo($ch);
// Close the connection.
curl_close($ch);
return $this->getResponse($content, $info);
}
/**
* Send a request to the server and return a Response object with the response.
*
* @param RequestInterface $request The request object to store request params.
*
* @return ResponseInterface
*
* @since 2.1
*/
protected function doRequest(RequestInterface $request)
{
// Create the stream context options array with the required method offset.
$options = array('method' => $request->getMethod());
// Set HTTP Version
$options['protocol_version'] = $request->getProtocolVersion();
// If data exists let's encode it and make sure our Content-Type header is set.
$data = (string) $request->getBody();
if (isset($data)) {
// If the data is a scalar value simply add it to the stream context options.
if (is_scalar($data)) {
$options['content'] = $data;
} else {
$options['content'] = http_build_query($data);
}
if (!$request->getHeader('Content-Type')) {
$request = $request->withHeader('Content-Type', 'application/x-www-form-urlencoded; charset=utf-8');
}
// Add the relevant headers.
$request = $request->withHeader('Content-Length', strlen($options['content']));
}
// Speed up stream get URL
// @see http://stackoverflow.com/questions/3629504/php-file-get-contents-very-slow-when-using-full-url
// @see http://stackoverflow.com/questions/13679976/how-to-speed-up-file-get-contents
$request = $request->withHeader('Connection', 'Close');
// Build the headers string for the request.
if ($headers = $request->getHeaders()) {
// Add the headers string into the stream context options array.
$options['header'] = HeaderHelper::toHeaderLine($headers, true);
}
// If an explicit timeout is given user it.
if ($this->getOption('timeout')) {
$options['timeout'] = (int) $this->getOption('timeout');
}
// If an explicit user agent is given use it.
if ($this->getOption('userAgent')) {
$options['user_agent'] = $this->getOption('userAgent');
}
// Ignore HTTP errors so that we can capture them.
$options['ignore_errors'] = 1;
// Follow redirects.
$options['follow_location'] = (int) $this->getOption('follow_location', 1);
foreach ((array) $this->getOption('options') as $key => $value) {
$options[$key] = $value;
}
// Create the stream context for the request.
$context = stream_context_create(array('http' => $options));
// Capture PHP errors
$php_errormsg = '';
$track_errors = ini_get('track_errors');
ini_set('track_errors', true);
$connection = @fopen($request->getRequestTarget(), Stream::MODE_READ_ONLY_FROM_BEGIN, false, $context);
if (!$connection) {
if (!$php_errormsg) {
// Error but nothing from php? Create our own
$php_errormsg = sprintf('Could not connect to resource: %s', $request->getRequestTarget());
}
// Restore error tracking to give control to the exception handler
ini_set('track_errors', $track_errors);
throw new \RuntimeException($php_errormsg);
}
$stream = new Stream($connection);
if ($dest = $this->getOption('target_file')) {
$content = '';
StreamHelper::copyTo($stream, $dest);
} else {
$content = $stream->getContents();
}
$metadata = $stream->getMetadata();
$stream->close();
if (isset($metadata['wrapper_data']['headers'])) {
$headers = $metadata['wrapper_data']['headers'];
} elseif (isset($metadata['wrapper_data'])) {
$headers = $metadata['wrapper_data'];
} else {
$headers = array();
}
return $this->getResponse($headers, $content);
}