/**
* Prepare the request headers
*
* @return array
*/
protected function _prepareHeaders()
{
$headers = array();
// Set the host header
if (!isset($this->headers['host'])) {
$host = $this->uri->getHost();
// If the port is not default, add it
if (!($this->uri->getScheme() == 'http' && $this->uri->getPort() == 80 || $this->uri->getScheme() == 'https' && $this->uri->getPort() == 443)) {
$host .= ':' . $this->uri->getPort();
}
$headers[] = "Host: {$host}";
}
// Set the connection header
if (!isset($this->headers['connection'])) {
if (!$this->config['keepalive']) {
$headers[] = "Connection: close";
}
}
// Set the Accept-encoding header if not set - depending on whether
// zlib is available or not.
if (!isset($this->headers['accept-encoding'])) {
if (function_exists('gzinflate')) {
$headers[] = 'Accept-encoding: gzip, deflate';
} else {
$headers[] = 'Accept-encoding: identity';
}
}
// Set the content-type header
if (($this->method == self::POST || $this->method == self::PUT) && (!isset($this->headers[strtolower(self::CONTENT_TYPE)]) && isset($this->enctype))) {
$headers[] = "Content-type: {$this->enctype}";
}
// Set the user agent header
if (!isset($this->headers['user-agent']) && isset($this->config['useragent'])) {
$headers[] = "User-agent: {$this->config['useragent']}";
}
// Set HTTP authentication if needed
if (is_array($this->auth)) {
$auth = self::encodeAuthHeader($this->auth['user'], $this->auth['password'], $this->auth['type']);
$headers[] = "Authorization: {$auth}";
}
// Load cookies from cookie jar
if (isset($this->cookiejar)) {
$cookstr = $this->cookiejar->getMatchingCookies($this->uri, true, ECookieJar::COOKIE_STRING_CONCAT);
if ($cookstr) {
$headers[] = "Cookie: {$cookstr}";
}
}
// Add all other user defined headers
foreach ($this->headers as $header) {
list($name, $value) = $header;
if (is_array($value)) {
$value = implode(', ', $value);
}
$headers[] = "{$name}: {$value}";
}
return $headers;
}
/**
* 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;
}