function sendRequest($saveBody = true)
{
if (!is_a($this->_url, 'JieqiUrl')) {
return $this->raiseError("URL not set");
}
$host = isset($this->_proxy_host) ? $this->_proxy_host : $this->_url->host;
$port = isset($this->_proxy_port) ? $this->_proxy_port : $this->_url->port;
// 检查是否支持ssl连接
if (strcasecmp($this->_url->protocol, 'https') == 0 and function_exists('file_get_contents') and extension_loaded('openssl')) {
if (isset($this->_proxy_host)) {
return $this->raiseError("not support proxy");
}
$host = 'ssl://' . $host;
}
// 连接socket并提交数据
$err = $this->_sock->connect($host, $port, NULL, $this->_timeout, $this->_socketOptions);
if ($err == false) {
return false;
}
$err = $this->_sock->write($this->_buildRequest());
if ($err == false) {
return false;
}
if (!empty($this->_readTimeout)) {
$this->_sock->setTimeout($this->_readTimeout[0], $this->_readTimeout[1]);
}
$this->_notify('sentRequest');
// 读取返回信息
$this->_response =& new JieqiResponse($this->_sock, $this->_listeners);
$err = $this->_response->process($this->_saveBody && $saveBody);
if ($err == false) {
return false;
}
// 检查网址重定向
if ($this->_allowRedirects and $this->_redirects <= $this->_maxRedirects and $this->getResponseCode() > 300 and $this->getResponseCode() < 399 and !empty($this->_response->_headers['location'])) {
$redirect = $this->_response->_headers['location'];
// 绝对 URL
if (preg_match('/^https?:\\/\\//i', $redirect)) {
$this->_url =& new JieqiUrl($redirect);
$this->addHeader('Host', $this->_generateHostHeader());
// 绝对路径
} elseif ($redirect[0] == '/') {
$this->_url->path = $redirect;
// 相对路径
} elseif (substr($redirect, 0, 3) == '../' or substr($redirect, 0, 2) == './') {
if (substr($this->_url->path, -1) == '/') {
$redirect = $this->_url->path . $redirect;
} else {
$redirect = dirname($this->_url->path) . '/' . $redirect;
}
$redirect = JieqiUrl::resolvePath($redirect);
$this->_url->path = $redirect;
// 文件名，没路径
} else {
if (substr($this->_url->path, -1) == '/') {
$redirect = $this->_url->path . $redirect;
} else {
$redirect = dirname($this->_url->path) . '/' . $redirect;
}
$this->_url->path = $redirect;
}
$this->_redirects++;
return $this->sendRequest($saveBody);
// 重定向次数太多
} elseif ($this->_allowRedirects and $this->_redirects > $this->_maxRedirects) {
$this->raiseError('too many redirects', JIEQI_ERROR_RETURN);
return false;
}
$this->_sock->disconnect();
return true;
}
function _redirectUrl($url, $location)
{
if (preg_match('!^https?://!i', $location)) {
return $location;
} else {
if ('/' == $location[0]) {
$url->path = JieqiUrl::resolvePath($location);
} elseif ('/' == substr($url->path, -1)) {
$url->path = JieqiUrl::resolvePath($url->path . $location);
} else {
$dirname = DIRECTORY_SEPARATOR == dirname($url->path) ? '/' : dirname($url->path);
$url->path = JieqiUrl::resolvePath($dirname . '/' . $location);
}
$url->querystring = array();
$url->anchor = '';
return $url->getUrl();
}
}
