/**
* Send the HTTP request and return an HTTP response object
*
* @param string $method
* @return EHttpResponse
* @throws EHttpClientException
*/
public function request($method = null)
{
if (!$this->uri instanceof EUriHttp) {
throw new EHttpClientException(Yii::t('EHttpClient', 'No valid URI has been passed to the client'));
}
if ($method) {
$this->setMethod($method);
}
$this->redirectCounter = 0;
$response = null;
// Make sure the adapter is loaded
if ($this->adapter == null) {
$this->setAdapter($this->config['adapter']);
}
// Send the first request. If redirected, continue.
do {
// Clone the URI and add the additional GET parameters to it
$uri = clone $this->uri;
if (!empty($this->paramsGet)) {
$query = $uri->getQuery();
if (!empty($query)) {
$query .= '&';
}
$query .= http_build_query($this->paramsGet, null, '&');
if ($this->config['rfc3986_strict']) {
$query = str_replace('+', '%20', $query);
}
// @see ZF-11671 to unmask for some services to foo=val1&foo=val2
if ($this->getUnmaskStatus()) {
if ($this->_queryBracketsEscaped) {
$query = preg_replace('/%5B(?:[0-9]|[1-9][0-9]+)%5D=/', '=', $query);
} else {
$query = preg_replace('/\\[(?:[0-9]|[1-9][0-9]+)\\]=/', '=', $query);
}
}
$uri->setQuery($query);
}
$body = $this->_prepareBody();
$headers = $this->_prepareHeaders();
// check that adapter supports streaming before using it
if (is_resource($body) && !$this->adapter instanceof EHttpClientAdapterStream) {
throw new EHttpClientException('Adapter does not support streaming');
}
// Open the connection, send the request and read the response
$this->adapter->connect($uri->getHost(), $uri->getPort(), $uri->getScheme() == 'https' ? true : false);
if ($this->config['output_stream']) {
if ($this->adapter instanceof EHttpClientAdapterStream) {
$stream = $this->_openTempStream();
$this->adapter->setOutputStream($stream);
} else {
throw new EHttpClientException(Yii::t('EHttpClient', 'Adapter does not support streaming'));
}
}
$this->last_request = $this->adapter->write($this->method, $uri, $this->config['httpversion'], $headers, $body);
$response = $this->adapter->read();
if (!$response) {
throw new EHttpClientException(Yii::t('EHttpClient', 'Unable to read response, or response is empty'));
}
if ($this->config['output_stream']) {
$streamMetaData = stream_get_meta_data($stream);
if ($streamMetaData['seekable']) {
rewind($stream);
}
// cleanup the adapter
$this->adapter->setOutputStream(null);
$response = EHttpResponseStream::fromStream($response, $stream);
$response->setStreamName($this->_stream_name);
if (!is_string($this->config['output_stream'])) {
// we used temp name, will need to clean up
$response->setCleanup(true);
}
} else {
$response = EHttpResponse::fromString($response);
}
if ($this->config['storeresponse']) {
$this->last_response = $response;
}
// Load cookies into cookie jar
if (isset($this->cookiejar)) {
$this->cookiejar->addCookiesFromResponse($response, $uri, $this->config['encodecookies']);
}
// If we got redirected, look for the Location header
if ($response->isRedirect() && ($location = $response->getHeader('location'))) {
// Avoid problems with buggy servers that add whitespace at the
// end of some headers (See ZF-11283)
$location = trim($location);
// Check whether we send the exact same request again, or drop the parameters
// and send a GET request
if ($response->getStatus() == 303 || !$this->config['strictredirects'] && ($response->getStatus() == 302 || $response->getStatus() == 301)) {
$this->resetParameters();
$this->setMethod(self::GET);
}
// If we got a well formed absolute URI
if (EUriHttp::check($location)) {
$this->setHeaders('host', null);
$this->setUri($location);
} else {
// Split into path and query and set the query
if (strpos($location, '?') !== false) {
list($location, $query) = explode('?', $location, 2);
} else {
$query = '';
}
$this->uri->setQuery($query);
// Else, if we got just an absolute path, set it
if (strpos($location, '/') === 0) {
$this->uri->setPath($location);
// Else, assume we have a relative path
} else {
// Get the current path directory, removing any trailing slashes
$path = $this->uri->getPath();
$path = rtrim(substr($path, 0, strrpos($path, '/')), "/");
$this->uri->setPath($path . '/' . $location);
}
}
++$this->redirectCounter;
} else {
// If we didn't get any location, stop redirecting
break;
}
} while ($this->redirectCounter < $this->config['maxredirects']);
return $response;
}
/**
* Send request to the remote server
*
* @param string $method
* @param EUriHttp $uri
* @param string $http_ver
* @param array $headers
* @param string $body
* @return string Request as string
*/
public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '')
{
// Make sure we're properly connected
if (!$this->socket) {
throw new EHttpClientException(Yii::t('EHttpClient', 'Trying to write but we are not connected'));
}
$host = $uri->getHost();
$host = (strtolower($uri->getScheme()) == 'https' ? $this->config['ssltransport'] : 'tcp') . '://' . $host;
if ($this->connected_to[0] != $host || $this->connected_to[1] != $uri->getPort()) {
throw new EHttpClientException(Yii::t('EHttpClient', 'Trying to write but we are connected to the wrong host'));
}
// Save request method for later
$this->method = $method;
// Build request headers
$path = $uri->getPath();
if ($uri->getQuery()) {
$path .= '?' . $uri->getQuery();
}
$request = "{$method} {$path} HTTP/{$http_ver}\r\n";
foreach ($headers as $k => $v) {
if (is_string($k)) {
$v = ucfirst($k) . ": {$v}";
}
$request .= "{$v}\r\n";
}
// Add the request body
$request .= "\r\n" . $body;
// Send the request
if (!@fwrite($this->socket, $request)) {
throw new EHttpClientException(Yii::t('EHttpClient', 'Error writing request to server'));
}
return $request;
}
