553 lines
17 KiB
PHP
553 lines
17 KiB
PHP
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<?php
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namespace Workerman\Protocols;
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use Workerman\Connection\TcpConnection;
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/**
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* http protocol
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* @author walkor<walkor@workerman.net>
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*/
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class Http
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{
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/**
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* 判断包长
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* @param string $recv_buffer
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* @param TcpConnection $connection
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* @return int
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*/
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public static function input($recv_buffer, TcpConnection $connection)
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{
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if(!strpos($recv_buffer, "\r\n\r\n"))
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{
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// 无法获得包长，避免客户端传递超大头部的数据包
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if(strlen($recv_buffer)>=TcpConnection::$maxPackageSize)
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{
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$connection->close();
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return 0;
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}
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return 0;
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}
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list($header, $body) = explode("\r\n\r\n", $recv_buffer, 2);
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if(0 === strpos($recv_buffer, "POST"))
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{
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// find Content-Length
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$match = array();
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if(preg_match("/\r\nContent-Length: ?(\d+)/", $header, $match))
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{
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$content_lenght = $match[1];
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return $content_lenght + strlen($header) + 4;
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}
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else
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{
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return 0;
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}
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}
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else
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{
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return strlen($header)+4;
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}
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}
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/**
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* 从http数据包中解析$_POST、$_GET、$_COOKIE等
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* @param string $recv_buffer
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* @param TcpConnection $connection
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* @return void
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*/
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public static function decode($recv_buffer, TcpConnection $connection)
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{
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// 初始化
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$_POST = $_GET = $_COOKIE = $_REQUEST = $_SESSION = $_FILES = array();
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$GLOBALS['HTTP_RAW_POST_DATA'] = '';
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// 清空上次的数据
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HttpCache::$header = array();
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HttpCache::$instance = new HttpCache();
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// 需要设置的变量名
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$_SERVER = array (
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'QUERY_STRING' => '',
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'REQUEST_METHOD' => '',
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'REQUEST_URI' => '',
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'SERVER_PROTOCOL' => '',
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'SERVER_SOFTWARE' => 'workerman/3.0',
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'SERVER_NAME' => '',
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'HTTP_HOST' => '',
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'HTTP_USER_AGENT' => '',
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'HTTP_ACCEPT' => '',
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'HTTP_ACCEPT_LANGUAGE' => '',
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'HTTP_ACCEPT_ENCODING' => '',
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'HTTP_COOKIE' => '',
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'HTTP_CONNECTION' => '',
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'REMOTE_ADDR' => '',
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'REMOTE_PORT' => '0',
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);
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// 将header分割成数组
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list($http_header, $http_body) = explode("\r\n\r\n", $recv_buffer, 2);
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$header_data = explode("\r\n", $http_header);
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list($_SERVER['REQUEST_METHOD'], $_SERVER['REQUEST_URI'], $_SERVER['SERVER_PROTOCOL']) = explode(' ', $header_data[0]);
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unset($header_data[0]);
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foreach($header_data as $content)
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{
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// \r\n\r\n
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if(empty($content))
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{
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continue;
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}
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list($key, $value) = explode(':', $content, 2);
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$key = strtolower($key);
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$value = trim($value);
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switch($key)
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{
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// HTTP_HOST
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case 'host':
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$_SERVER['HTTP_HOST'] = $value;
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$tmp = explode(':', $value);
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$_SERVER['SERVER_NAME'] = $tmp[0];
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if(isset($tmp[1]))
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{
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$_SERVER['SERVER_PORT'] = $tmp[1];
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}
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break;
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// cookie
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case 'cookie':
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$_SERVER['HTTP_COOKIE'] = $value;
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parse_str(str_replace('; ', '&', $_SERVER['HTTP_COOKIE']), $_COOKIE);
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break;
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// user-agent
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case 'user-agent':
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$_SERVER['HTTP_USER_AGENT'] = $value;
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break;
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// accept
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case 'accept':
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$_SERVER['HTTP_ACCEPT'] = $value;
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break;
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// accept-language
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case 'accept-language':
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$_SERVER['HTTP_ACCEPT_LANGUAGE'] = $value;
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break;
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// accept-encoding
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case 'accept-encoding':
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$_SERVER['HTTP_ACCEPT_ENCODING'] = $value;
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break;
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// connection
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case 'connection':
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$_SERVER['HTTP_CONNECTION'] = $value;
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break;
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case 'referer':
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$_SERVER['HTTP_REFERER'] = $value;
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break;
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case 'if-modified-since':
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$_SERVER['HTTP_IF_MODIFIED_SINCE'] = $value;
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break;
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case 'if-none-match':
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$_SERVER['HTTP_IF_NONE_MATCH'] = $value;
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break;
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case 'content-type':
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if(!preg_match('/boundary="?(\S+)"?/', $value, $match))
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{
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$_SERVER['CONTENT_TYPE'] = $value;
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}
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else
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{
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$_SERVER['CONTENT_TYPE'] = 'multipart/form-data';
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$http_post_boundary = '--'.$match[1];
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}
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break;
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}
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}
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// 需要解析$_POST
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if($_SERVER['REQUEST_METHOD'] == 'POST')
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{
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if(isset($_SERVER['CONTENT_TYPE']) && $_SERVER['CONTENT_TYPE'] == 'multipart/form-data')
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{
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self::parseUploadFiles($http_body, $http_post_boundary);
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}
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else
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{
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parse_str($http_body, $_POST);
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// $GLOBALS['HTTP_RAW_POST_DATA']
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$GLOBALS['HTTP_RAW_POST_DATA'] = $http_body;
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}
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}
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// QUERY_STRING
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$_SERVER['QUERY_STRING'] = parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY);
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if($_SERVER['QUERY_STRING'])
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{
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// $GET
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parse_str($_SERVER['QUERY_STRING'], $_GET);
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}
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else
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{
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$_SERVER['QUERY_STRING'] = '';
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}
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// REQUEST
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$_REQUEST = array_merge($_GET, $_POST);
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// REMOTE_ADDR REMOTE_PORT
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$_SERVER['REMOTE_ADDR'] = $connection->getRemoteIp();
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$_SERVER['REMOTE_PORT'] = $connection->getRemotePort();
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return $recv_buffer;
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}
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/**
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* 编码，增加HTTP头
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* @param string $content
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* @param TcpConnection $connection
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* @return string
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*/
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public static function encode($content, TcpConnection $connection)
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{
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// 没有http-code默认给个
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if(!isset(HttpCache::$header['Http-Code']))
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{
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$header = "HTTP/1.1 200 OK\r\n";
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}
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else
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{
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$header = HttpCache::$header['Http-Code']."\r\n";
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unset(HttpCache::$header['Http-Code']);
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}
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// Content-Type
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if(!isset(HttpCache::$header['Content-Type']))
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{
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$header .= "Content-Type: text/html;charset=utf-8\r\n";
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}
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// other headers
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foreach(HttpCache::$header as $key=>$item)
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{
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if('Set-Cookie' == $key && is_array($item))
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{
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foreach($item as $it)
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{
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$header .= $it."\r\n";
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}
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}
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else
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{
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$header .= $item."\r\n";
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}
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}
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// header
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$header .= "Server: WorkerMan/3.0\r\nContent-Length: ".strlen($content)."\r\n\r\n";
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// save session
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self::sessionWriteClose();
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// the whole http package
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return $header.$content;
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}
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/**
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* 设置http头
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* @return bool
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*/
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public static function header($content, $replace = true, $http_response_code = 0)
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{
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if(PHP_SAPI != 'cli')
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{
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return $http_response_code ? header($content, $replace, $http_response_code) : header($content, $replace);
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}
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if(strpos($content, 'HTTP') === 0)
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{
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$key = 'Http-Code';
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}
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else
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{
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$key = strstr($content, ":", true);
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if(empty($key))
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{
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return false;
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}
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}
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if('location' == strtolower($key) && !$http_response_code)
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{
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return self::header($content, true, 302);
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}
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if(isset(HttpCache::$codes[$http_response_code]))
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{
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HttpCache::$header['Http-Code'] = "HTTP/1.1 $http_response_code " . HttpCache::$codes[$http_response_code];
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if($key == 'Http-Code')
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{
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return true;
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}
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}
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if($key == 'Set-Cookie')
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{
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HttpCache::$header[$key][] = $content;
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}
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else
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{
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HttpCache::$header[$key] = $content;
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}
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return true;
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}
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/**
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* 删除一个header
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* @param string $name
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* @return void
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*/
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public static function headerRemove($name)
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{
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if(PHP_SAPI != 'cli')
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{
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return header_remove($name);
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}
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unset( HttpCache::$header[$name]);
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}
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/**
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* 设置cookie
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* @param string $name
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* @param string $value
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* @param integer $maxage
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* @param string $path
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* @param string $domain
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* @param bool $secure
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* @param bool $HTTPOnly
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*/
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public static function setcookie($name, $value = '', $maxage = 0, $path = '', $domain = '', $secure = false, $HTTPOnly = false) {
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if(PHP_SAPI != 'cli')
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{
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return setcookie($name, $value, $maxage, $path, $domain, $secure, $HTTPOnly);
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}
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return self::header(
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'Set-Cookie: ' . $name . '=' . rawurlencode($value)
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. (empty($domain) ? '' : '; Domain=' . $domain)
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. (empty($maxage) ? '' : '; Max-Age=' . $maxage)
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. (empty($path) ? '' : '; Path=' . $path)
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. (!$secure ? '' : '; Secure')
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. (!$HTTPOnly ? '' : '; HttpOnly'), false);
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}
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/**
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* sessionStart
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* @return bool
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*/
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public static function sessionStart()
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{
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if(PHP_SAPI != 'cli')
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{
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return session_start();
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}
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if(HttpCache::$instance->sessionStarted)
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{
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echo "already sessionStarted\nn";
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return true;
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}
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HttpCache::$instance->sessionStarted = true;
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// 没有sid，则创建一个session文件，生成一个sid
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if(!isset($_COOKIE[HttpCache::$sessionName]) || !is_file(HttpCache::$sessionPath . '/sess_' . $_COOKIE[HttpCache::$sessionName]))
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{
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$file_name = tempnam(HttpCache::$sessionPath, 'sess_');
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if(!$file_name)
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{
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return false;
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}
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HttpCache::$instance->sessionFile = $file_name;
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$session_id = substr(basename($file_name), strlen('sess_'));
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return self::setcookie(
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HttpCache::$sessionName
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, $session_id
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, ini_get('session.cookie_lifetime')
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, ini_get('session.cookie_path')
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, ini_get('session.cookie_domain')
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, ini_get('session.cookie_secure')
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, ini_get('session.cookie_httponly')
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);
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}
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if(!HttpCache::$instance->sessionFile)
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{
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HttpCache::$instance->sessionFile = HttpCache::$sessionPath . '/sess_' . $_COOKIE[HttpCache::$sessionName];
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}
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|||
|
|
// 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();
|
|||
|
|
}
|
|||
|
|
}
|