/**
* Do the handshake.
*
* @param Swoole\Request $request
* @param Swoole\Response $response
* @throws \Exception
* @return bool
*/
public function doHandshake(Swoole\Request $request, Swoole\Response $response)
{
if (!isset($request->head['Sec-WebSocket-Key'])) {
$this->log('Bad protocol implementation: it is not RFC6455.');
return false;
}
$key = $request->head['Sec-WebSocket-Key'];
if (0 === preg_match('#^[+/0-9A-Za-z]{21}[AQgw]==$#', $key) || 16 !== strlen(base64_decode($key))) {
$this->log('Header Sec-WebSocket-Key: $key is illegal.');
return false;
}
/**
* @TODO
* ? Origin;
* ? Sec-WebSocket-Protocol;
* ? Sec-WebSocket-Extensions.
*/
$response->send_http_status(101);
$response->addHeader(array('Upgrade' => 'websocket', 'Connection' => 'Upgrade', 'Sec-WebSocket-Accept' => base64_encode(sha1($key . static::GUID, true)), 'Sec-WebSocket-Version' => self::WEBSOCKET_VERSION));
return true;
}
/**
* 动态请求
* @param $request
* @param $response
* @return unknown_type
*/
function processDynamic(Swoole\Request $request, Swoole\Response $response)
{
$path = $this->document_root . '/' . $request->meta['path'];
if (is_file($path)) {
$request->setGlobal();
$response->head['Content-Type'] = 'text/html';
ob_start();
try {
include $path;
} catch (\Exception $e) {
$response->send_http_status(404);
$response->body = $e->getMessage() . '!<br /><h1>' . self::SOFTWARE . '</h1>';
}
$response->body = ob_get_contents();
ob_end_clean();
} else {
$this->httpError(404, $response, "页面不存在({$request->meta['path']})！");
}
}
/**
* 静态请求
* @param $request
* @param $response
* @return unknown_type
*/
function process_static($request, Swoole\Response $response)
{
$path = $this->document_root . '/' . $request->meta['path'];
if (is_file($path)) {
$read_file = true;
if ($this->expire) {
$expire = intval($this->config['server']['expire_time']);
$fstat = stat($path);
//过期控制信息
if (isset($request->head['If-Modified-Since'])) {
$lastModifiedSince = strtotime($request->head['If-Modified-Since']);
if ($lastModifiedSince and $fstat['mtime'] <= $lastModifiedSince) {
//不需要读文件了
$read_file = false;
$response->send_http_status(304);
}
} else {
$response->head['Cache-Control'] = "max-age={$expire}";
$response->head['Pragma'] = "max-age={$expire}";
$response->head['Last-Modified'] = date(self::DATE_FORMAT_HTTP, $fstat['mtime']);
$response->head['Expires'] = "max-age={$expire}";
}
}
$ext_name = \Upload::file_ext($request->meta['path']);
if ($read_file) {
$response->head['Content-Type'] = $this->mime_types[$ext_name];
$response->body = file_get_contents($path);
}
return true;
} else {
return false;
}
}
