/**
* 覆盖原workerman流程，实现更多功能
* 当接收到完整的http请求后的处理逻辑
*
* 1、如果请求的是以php为后缀的文件，则尝试加载
* 2、如果请求的url没有后缀，则尝试加载对应目录的index.php
* 3、如果请求的是非php为后缀的文件，尝试读取原始数据并发送
* 4、如果请求的文件不存在，则返回404
*
* @param TcpConnection $connection
* @param mixed $data
* @return mixed
*/
public function onMessage($connection, $data)
{
Base::getLog()->debug(__METHOD__ . ' receive http request', ['uri' => $_SERVER['REQUEST_URI'], 'ip' => $connection->getRemoteIp(), 'port' => $connection->getRemotePort(), 'data' => $data]);
// 请求的文件
$urlInfo = parse_url($_SERVER['REQUEST_URI']);
if (!$urlInfo) {
Base::getHttp()->header('HTTP/1.1 400 Bad Request');
Base::getLog()->warning(__METHOD__ . ' receive bad request', ['uri' => $_SERVER['REQUEST_URI'], 'ip' => $connection->getRemoteIp(), 'port' => $connection->getRemotePort()]);
return $connection->close($this->error400);
}
$path = $urlInfo['path'];
$pathInfo = pathinfo($path);
$extension = isset($pathInfo['extension']) ? $pathInfo['extension'] : '';
if ($extension === '') {
$path = ($len = strlen($path)) && $path[$len - 1] === '/' ? $path . $this->indexFile : $path . '/' . $this->indexFile;
$extension = 'php';
}
$serverName = Arr::get($_SERVER, 'SERVER_NAME');
$rootDir = isset($this->serverRoot[$serverName]) ? $this->serverRoot[$serverName] : current($this->serverRoot);
$file = "{$rootDir}/{$path}";
// 对应的php文件不存在，而且支持rewrite
if (!is_file($file) && $this->rewrite) {
$file = is_string($this->rewrite) ? $rootDir . '/' . $this->rewrite : $rootDir . '/' . $this->indexFile;
$extension = 'php';
$_SERVER['PATH_INFO'] = $_SERVER['REQUEST_URI'];
}
// 请求的文件存在
if (is_file($file)) {
Base::getLog()->debug(__METHOD__ . ' request file existed', ['file' => $file, 'extension' => $extension]);
// 判断是否是站点目录里的文件
if (!($requestRealPath = realpath($file)) || !($rootDirRealPath = realpath($rootDir)) || 0 !== strpos($requestRealPath, $rootDirRealPath)) {
Base::getHttp()->header('HTTP/1.1 400 Bad Request');
Base::getLog()->warning(__METHOD__ . ' receive bad request', ['uri' => $_SERVER['REQUEST_URI'], 'ip' => $connection->getRemoteIp(), 'port' => $connection->getRemotePort()]);
return $connection->close('<h1>400 Bad Request</h1>');
}
$file = realpath($file);
// 如果请求的是php文件
// PHP文件需要include
if ($extension === 'php') {
Base::getLog()->debug(__METHOD__ . ' handle request', ['uri' => $_SERVER['REQUEST_URI'], 'ip' => $connection->getRemoteIp(), 'port' => $connection->getRemotePort(), 'file' => $file]);
Base::getLog()->debug(__METHOD__ . ' clean components - start');
Base::cleanComponents();
Base::getLog()->debug(__METHOD__ . ' clean components - end');
$cwd = getcwd();
chdir($rootDir);
ini_set('display_errors', 'off');
// 缓冲输出
ob_start();
// 载入php文件
try {
// $_SERVER变量
$_SERVER['HOME'] = $_SERVER['DOCUMENT_ROOT'] = dirname($file);
$_SERVER['SCRIPT_FILENAME'] = $file;
Base::getLog()->debug(__METHOD__ . ' dispatch client info', ['ip' => $_SERVER['REMOTE_ADDR'], 'port' => $_SERVER['REMOTE_PORT']]);
include $file;
} catch (Exception $e) {
Base::getLog()->error($e->getMessage(), ['code' => $e->getCode(), 'file' => $e->getFile(), 'line' => $e->getLine()]);
// 如果不是exit
if ($e->getMessage() != 'jump_exit') {
echo $e;
}
}
Patch::applyShutdownFunction();
$content = ob_get_clean();
ini_set('display_errors', 'on');
$result = $connection->close($content);
chdir($cwd);
return $result;
} else {
$contentType = Mime::getMimeFromExtension($extension, self::$defaultMimeType);
Base::getLog()->debug(__METHOD__ . ' get static file content type', ['extension' => $extension, 'contentType' => $contentType]);
Base::getHttp()->header('Content-Type: ' . $contentType);
// 获取文件信息
$info = stat($file);
$modifiedTime = $info ? date('D, d M Y H:i:s', Arr::get($info, 'mtime')) . ' GMT' : '';
// 如果有$_SERVER['HTTP_IF_MODIFIED_SINCE']
if (!empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) && $info) {
// 文件没有更改则直接304
if ($modifiedTime === $_SERVER['HTTP_IF_MODIFIED_SINCE']) {
Base::getLog()->debug(__METHOD__ . ' no modified, return 304');
// 304
Base::getHttp()->header('HTTP/1.1 304 Not Modified');
// 发送给客户端
return $connection->close('');
}
}
if ($modifiedTime) {
Base::getLog()->debug(__METHOD__ . ' set last modified time', ['time' => $modifiedTime]);
Base::getHttp()->header("Last-Modified: {$modifiedTime}");
}
// 发送给客户端
return $connection->close(file_get_contents($file));
}
} else {
Base::getLog()->warning(__METHOD__ . ' requested file not found', ['file' => $file]);
// 404
Base::getHttp()->header("HTTP/1.1 404 Not Found");
return $connection->close($this->error404);
}
}
