public static function assignHttpContext($context, RequestInterface $request, Options $options = null)
{
stream_context_set_option($context, 'http', 'method', $request->getMethod());
stream_context_set_option($context, 'http', 'protocol_version', $request->getProtocolVersion() ?: 1.1);
// until chunked transfer encoding if fully implemented we remove the
// header
if ($request->hasHeader('Transfer-Encoding')) {
$request->removeHeader('Transfer-Encoding');
}
// set header
$headers = implode(Http::$newLine, ResponseParser::buildHeaderFromMessage($request));
stream_context_set_option($context, 'http', 'header', $headers);
// set body
$body = $request->getBody();
if ($body !== null && !in_array($request->getMethod(), array('HEAD', 'GET'))) {
stream_context_set_option($context, 'http', 'content', (string) $body);
}
if ($options !== null) {
// set proxy
$proxy = $options->getProxy();
if (!empty($proxy)) {
stream_context_set_option($context, 'http', 'proxy', $proxy);
}
// set follow location
stream_context_set_option($context, 'http', 'follow_location', (int) $options->getFollowLocation());
stream_context_set_option($context, 'http', 'max_redirects', $options->getMaxRedirects());
// set timeout
$timeout = $options->getTimeout();
if (!empty($timeout)) {
stream_context_set_option($context, 'http', 'timeout', $timeout);
}
}
}
public function request(RequestInterface $request, Options $options)
{
$this->header = array();
$this->body = fopen('php://temp', 'r+');
$handle = curl_init($request->getUri()->toString());
curl_setopt($handle, CURLOPT_HEADER, false);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, false);
curl_setopt($handle, CURLOPT_HEADERFUNCTION, array($this, 'header'));
curl_setopt($handle, CURLOPT_WRITEFUNCTION, array($this, 'write'));
curl_setopt($handle, CURLOPT_CUSTOMREQUEST, $request->getMethod());
// set header
$headers = ResponseParser::buildHeaderFromMessage($request);
if (!empty($headers)) {
if (!$request->hasHeader('Expect')) {
$headers[] = 'Expect:';
}
curl_setopt($handle, CURLOPT_HTTPHEADER, $headers);
}
// set body
$body = $request->getBody();
if ($body !== null && !in_array($request->getMethod(), array('HEAD', 'GET'))) {
if ($request->getHeader('Transfer-Encoding') == 'chunked') {
curl_setopt($handle, CURLOPT_UPLOAD, true);
curl_setopt($handle, CURLOPT_READFUNCTION, function ($handle, $fd, $length) use($body) {
return $body->read($length);
});
} else {
curl_setopt($handle, CURLOPT_POSTFIELDS, (string) $body);
}
}
// set proxy
$proxy = $options->getProxy();
if (!empty($proxy)) {
curl_setopt($handle, CURLOPT_PROXY, $proxy);
}
// set follow location
curl_setopt($handle, CURLOPT_FOLLOWLOCATION, $options->getFollowLocation() && $this->hasFollowLocation);
curl_setopt($handle, CURLOPT_MAXREDIRS, $options->getMaxRedirects());
// set ssl
if ($options->getSsl() !== false && ($options->getSsl() === true || strcasecmp($request->getUri()->getScheme(), 'https') === 0)) {
$caPath = $options->getCaPath();
if (!empty($caPath)) {
curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, 2);
if (is_file($caPath)) {
curl_setopt($handle, CURLOPT_CAINFO, $caPath);
} elseif (is_dir($caPath)) {
curl_setopt($handle, CURLOPT_CAPATH, $caPath);
}
} else {
curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, 0);
}
}
// set timeout
$timeout = $options->getTimeout();
if (!empty($timeout)) {
curl_setopt($handle, CURLOPT_TIMEOUT, $timeout);
}
// callback
$callback = $options->getCallback();
if (!empty($callback)) {
call_user_func_array($callback, array($handle, $request));
}
curl_exec($handle);
// if follow location is active modify the header since all headers from
// each redirection are included
if ($options->getFollowLocation() && $this->hasFollowLocation) {
$positions = array();
foreach ($this->header as $key => $header) {
if (substr($header, 0, 5) == 'HTTP/') {
$positions[] = $key;
}
}
if (count($positions) > 1) {
$this->header = array_slice($this->header, end($positions) - 1);
}
}
if (curl_errno($handle)) {
throw new HandlerException('Curl error: ' . curl_error($handle));
}
curl_close($handle);
// build response
rewind($this->body);
$response = ResponseParser::buildResponseFromHeader($this->header);
if ($request->getMethod() != 'HEAD') {
$response->setBody(new TempStream($this->body));
} else {
$response->setBody(new StringStream());
}
return $response;
}
