/**
* Send request to the proxy 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(), $body = '')
{
// If no proxy is set, fall back to default Socket adapter
if (!$this->config['proxy_host']) {
return parent::write($method, $uri, $http_ver, $headers, $body);
}
// Make sure we're properly connected
if (!$this->socket) {
throw new EHttpClientException(Yii::t('EHttpClient', "Trying to write but we are not connected"));
}
$host = $this->config['proxy_host'];
$port = $this->config['proxy_port'];
if ($this->connected_to[0] != $host || $this->connected_to[1] != $port) {
throw new EHttpClientException(Yii::t('EHttpClient', "Trying to write but we are connected to the wrong proxy server"));
}
// Add Proxy-Authorization header
if ($this->config['proxy_user'] && !isset($headers['proxy-authorization'])) {
$headers['proxy-authorization'] = EHttpClient::encodeAuthHeader($this->config['proxy_user'], $this->config['proxy_pass'], $this->config['proxy_auth']);
}
// if we are proxying HTTPS, preform CONNECT handshake with the proxy
if ($uri->getScheme() == 'https' && !$this->negotiated) {
$this->connectHandshake($uri->getHost(), $uri->getPort(), $http_ver, $headers);
$this->negotiated = true;
}
// Save request method for later
$this->method = $method;
// Build request headers
$request = "{$method} {$uri->__toString()} HTTP/{$http_ver}\r\n";
// Add all headers to the request string
foreach ($headers as $k => $v) {
if (is_string($k)) {
$v = "{$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 proxy server"));
}
return $request;
}
