*/ class Http { /** * 判断包长 * @param string $recv_buffer * @param TcpConnection $connection * @return int */ public static function input($recv_buffer, TcpConnection $connection) { if(!strpos($recv_buffer, "\r\n\r\n")) { // 无法获得包长,避免客户端传递超大头部的数据包 if(strlen($recv_buffer)>=TcpConnection::$maxPackageSize) { $connection->close(); return 0; } return 0; } list($header, $body) = explode("\r\n\r\n", $recv_buffer, 2); if(0 === strpos($recv_buffer, "POST")) { // find Content-Length $match = array(); if(preg_match("/\r\nContent-Length: ?(\d+)/", $header, $match)) { $content_lenght = $match[1]; return $content_lenght + strlen($header) + 4; } else { return 0; } } else { return strlen($header)+4; } } /** * 从http数据包中解析$_POST、$_GET、$_COOKIE等 * @param string $recv_buffer * @param TcpConnection $connection * @return void */ public static function decode($recv_buffer, TcpConnection $connection) { // 初始化 $_POST = $_GET = $_COOKIE = $_REQUEST = $_SESSION = $_FILES = array(); $GLOBALS['HTTP_RAW_POST_DATA'] = ''; // 清空上次的数据 HttpCache::$header = array(); HttpCache::$instance = new HttpCache(); // 需要设置的变量名 $_SERVER = array ( 'QUERY_STRING' => '', 'REQUEST_METHOD' => '', 'REQUEST_URI' => '', 'SERVER_PROTOCOL' => '', 'SERVER_SOFTWARE' => 'workerman/3.0', 'SERVER_NAME' => '', 'HTTP_HOST' => '', 'HTTP_USER_AGENT' => '', 'HTTP_ACCEPT' => '', 'HTTP_ACCEPT_LANGUAGE' => '', 'HTTP_ACCEPT_ENCODING' => '', 'HTTP_COOKIE' => '', 'HTTP_CONNECTION' => '', 'REMOTE_ADDR' => '', 'REMOTE_PORT' => '0', ); // 将header分割成数组 list($http_header, $http_body) = explode("\r\n\r\n", $recv_buffer, 2); $header_data = explode("\r\n", $http_header); list($_SERVER['REQUEST_METHOD'], $_SERVER['REQUEST_URI'], $_SERVER['SERVER_PROTOCOL']) = explode(' ', $header_data[0]); unset($header_data[0]); foreach($header_data as $content) { // \r\n\r\n if(empty($content)) { continue; } list($key, $value) = explode(':', $content, 2); $key = strtolower($key); $value = trim($value); switch($key) { // HTTP_HOST case 'host': $_SERVER['HTTP_HOST'] = $value; $tmp = explode(':', $value); $_SERVER['SERVER_NAME'] = $tmp[0]; if(isset($tmp[1])) { $_SERVER['SERVER_PORT'] = $tmp[1]; } break; // cookie case 'cookie': $_SERVER['HTTP_COOKIE'] = $value; parse_str(str_replace('; ', '&', $_SERVER['HTTP_COOKIE']), $_COOKIE); break; // user-agent case 'user-agent': $_SERVER['HTTP_USER_AGENT'] = $value; break; // accept case 'accept': $_SERVER['HTTP_ACCEPT'] = $value; break; // accept-language case 'accept-language': $_SERVER['HTTP_ACCEPT_LANGUAGE'] = $value; break; // accept-encoding case 'accept-encoding': $_SERVER['HTTP_ACCEPT_ENCODING'] = $value; break; // connection case 'connection': $_SERVER['HTTP_CONNECTION'] = $value; break; case 'referer': $_SERVER['HTTP_REFERER'] = $value; break; case 'if-modified-since': $_SERVER['HTTP_IF_MODIFIED_SINCE'] = $value; break; case 'if-none-match': $_SERVER['HTTP_IF_NONE_MATCH'] = $value; break; case 'content-type': if(!preg_match('/boundary="?(\S+)"?/', $value, $match)) { $_SERVER['CONTENT_TYPE'] = $value; } else { $_SERVER['CONTENT_TYPE'] = 'multipart/form-data'; $http_post_boundary = '--'.$match[1]; } break; } } // 需要解析$_POST if($_SERVER['REQUEST_METHOD'] == 'POST') { if(isset($_SERVER['CONTENT_TYPE']) && $_SERVER['CONTENT_TYPE'] == 'multipart/form-data') { self::parseUploadFiles($http_body, $http_post_boundary); } else { parse_str($http_body, $_POST); // $GLOBALS['HTTP_RAW_POST_DATA'] $GLOBALS['HTTP_RAW_POST_DATA'] = $http_body; } } // QUERY_STRING $_SERVER['QUERY_STRING'] = parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY); if($_SERVER['QUERY_STRING']) { // $GET parse_str($_SERVER['QUERY_STRING'], $_GET); } else { $_SERVER['QUERY_STRING'] = ''; } // REQUEST $_REQUEST = array_merge($_GET, $_POST); // REMOTE_ADDR REMOTE_PORT $_SERVER['REMOTE_ADDR'] = $connection->getRemoteIp(); $_SERVER['REMOTE_PORT'] = $connection->getRemotePort(); return $recv_buffer; } /** * 编码,增加HTTP头 * @param string $content * @param TcpConnection $connection * @return string */ public static function encode($content, TcpConnection $connection) { // 没有http-code默认给个 if(!isset(HttpCache::$header['Http-Code'])) { $header = "HTTP/1.1 200 OK\r\n"; } else { $header = HttpCache::$header['Http-Code']."\r\n"; unset(HttpCache::$header['Http-Code']); } // Content-Type if(!isset(HttpCache::$header['Content-Type'])) { $header .= "Content-Type: text/html;charset=utf-8\r\n"; } // other headers foreach(HttpCache::$header as $key=>$item) { if('Set-Cookie' == $key && is_array($item)) { foreach($item as $it) { $header .= $it."\r\n"; } } else { $header .= $item."\r\n"; } } // header $header .= "Server: WorkerMan/3.0\r\nContent-Length: ".strlen($content)."\r\n\r\n"; // save session self::sessionWriteClose(); // the whole http package return $header.$content; } /** * 设置http头 * @return bool */ public static function header($content, $replace = true, $http_response_code = 0) { if(PHP_SAPI != 'cli') { return $http_response_code ? header($content, $replace, $http_response_code) : header($content, $replace); } if(strpos($content, 'HTTP') === 0) { $key = 'Http-Code'; } else { $key = strstr($content, ":", true); if(empty($key)) { return false; } } if('location' == strtolower($key) && !$http_response_code) { return self::header($content, true, 302); } if(isset(HttpCache::$codes[$http_response_code])) { HttpCache::$header['Http-Code'] = "HTTP/1.1 $http_response_code " . HttpCache::$codes[$http_response_code]; if($key == 'Http-Code') { return true; } } if($key == 'Set-Cookie') { HttpCache::$header[$key][] = $content; } else { HttpCache::$header[$key] = $content; } return true; } /** * 删除一个header * @param string $name * @return void */ public static function headerRemove($name) { if(PHP_SAPI != 'cli') { return header_remove($name); } unset( HttpCache::$header[$name]); } /** * 设置cookie * @param string $name * @param string $value * @param integer $maxage * @param string $path * @param string $domain * @param bool $secure * @param bool $HTTPOnly */ public static function setcookie($name, $value = '', $maxage = 0, $path = '', $domain = '', $secure = false, $HTTPOnly = false) { if(PHP_SAPI != 'cli') { return setcookie($name, $value, $maxage, $path, $domain, $secure, $HTTPOnly); } return self::header( 'Set-Cookie: ' . $name . '=' . rawurlencode($value) . (empty($domain) ? '' : '; Domain=' . $domain) . (empty($maxage) ? '' : '; Max-Age=' . $maxage) . (empty($path) ? '' : '; Path=' . $path) . (!$secure ? '' : '; Secure') . (!$HTTPOnly ? '' : '; HttpOnly'), false); } /** * sessionStart * @return bool */ public static function sessionStart() { if(PHP_SAPI != 'cli') { return session_start(); } if(HttpCache::$instance->sessionStarted) { echo "already sessionStarted\nn"; return true; } HttpCache::$instance->sessionStarted = true; // 没有sid,则创建一个session文件,生成一个sid if(!isset($_COOKIE[HttpCache::$sessionName]) || !is_file(HttpCache::$sessionPath . '/sess_' . $_COOKIE[HttpCache::$sessionName])) { $file_name = tempnam(HttpCache::$sessionPath, 'sess_'); if(!$file_name) { return false; } HttpCache::$instance->sessionFile = $file_name; $session_id = substr(basename($file_name), strlen('sess_')); return self::setcookie( HttpCache::$sessionName , $session_id , ini_get('session.cookie_lifetime') , ini_get('session.cookie_path') , ini_get('session.cookie_domain') , ini_get('session.cookie_secure') , ini_get('session.cookie_httponly') ); } if(!HttpCache::$instance->sessionFile) { HttpCache::$instance->sessionFile = HttpCache::$sessionPath . '/sess_' . $_COOKIE[HttpCache::$sessionName]; } // 有sid则打开文件,读取session值 if(HttpCache::$instance->sessionFile) { $raw = file_get_contents(HttpCache::$instance->sessionFile); if($raw) { session_decode($raw); } } } /** * 保存session * @return bool */ public static function sessionWriteClose() { if(PHP_SAPI != 'cli') { return session_write_close(); } if(!empty(HttpCache::$instance->sessionStarted) && !empty($_SESSION)) { $session_str = session_encode(); if($session_str && HttpCache::$instance->sessionFile) { return file_put_contents(HttpCache::$instance->sessionFile, $session_str); } } return empty($_SESSION); } /** * 退出 * @param string $msg * @throws \Exception */ public static function end($msg = '') { if(PHP_SAPI != 'cli') { exit($msg); } if($msg) { echo $msg; } throw new \Exception('jump_exit'); } /** * get mime types */ public static function getMimeTypesFile() { return __DIR__.'/Http/mime.types'; } /** * 解析$_FILES */ protected function parseUploadFiles($http_body, $http_post_boundary) { $http_body = substr($http_body, 0, strlen($http_body) - (strlen($http_post_boundary) + 4)); $boundary_data_array = explode($http_post_boundary."\r\n", $http_body); if($boundary_data_array[0] === '') { unset($boundary_data_array[0]); } foreach($boundary_data_array as $boundary_data_buffer) { list($boundary_header_buffer, $boundary_value) = explode("\r\n\r\n", $boundary_data_buffer, 2); // 去掉末尾\r\n $boundary_value = substr($boundary_value, 0, -2); foreach (explode("\r\n", $boundary_header_buffer) as $item) { list($header_key, $header_value) = explode(": ", $item); $header_key = strtolower($header_key); switch ($header_key) { case "content-disposition": // 是文件 if(preg_match('/name=".*?"; filename="(.*?)"$/', $header_value, $match)) { $_FILES[] = array( 'file_name' => $match[1], 'file_data' => $boundary_value, 'file_size' => strlen($boundary_value), ); continue; } // 是post field else { // 收集post if(preg_match('/name="(.*?)"$/', $header_value, $match)) { $_POST[$match[1]] = $boundary_value; } } break; } } } } } /** * 解析http协议数据包 缓存先关 * @author walkor */ class HttpCache { public static $codes = array( 100 => 'Continue', 101 => 'Switching Protocols', 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content', 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 306 => '(Unused)', 307 => 'Temporary Redirect', 400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Timeout', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Long', 415 => 'Unsupported Media Type', 416 => 'Requested Range Not Satisfiable', 417 => 'Expectation Failed', 422 => 'Unprocessable Entity', 423 => 'Locked', 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Timeout', 505 => 'HTTP Version Not Supported', ); public static $instance = null; public static $header = array(); public static $sessionPath = ''; public static $sessionName = ''; public $sessionStarted = false; public $sessionFile = ''; public static function init() { self::$sessionName = ini_get('session.name'); self::$sessionPath = session_save_path(); if(!self::$sessionPath) { self::$sessionPath = sys_get_temp_dir(); } @\session_start(); } }