/**
* @brief dispatch 路由分发方法
*
* @return void
*/
public static function dispatch()
{
// 注册最后的通用路由
$route = array('widget' => 'Page', 'method' => 'showPage', 'format' => '/%s/', 'patter' => '|^/([^/]+)[/]?$|', 'params' => array('alias'));
self::setRoute('Page', $route);
// 获取地址信息
if (OptionLibrary::get('rewrite') == 'open') {
$pathInfo = str_replace(substr(LOGX_PATH, 0, strlen(LOGX_PATH) - 1), '', Request::S('REQUEST_URI', 'string'));
$pathInfo = str_replace('?' . Request::S('QUERY_STRING', 'string'), '', $pathInfo);
} else {
$pathInfo = self::getPathInfo();
}
$pathInfo = Plugin::call('pathInfo', $pathInfo);
// 遍历路由表进行匹配
foreach (self::$_routeTable as $key => $route) {
if (preg_match($route['patter'], $pathInfo, $matches)) {
self::$_currentRoute = $key;
$params = NULL;
if (!empty($route['params'])) {
unset($matches[0]);
$params = array_combine($route['params'], $matches);
}
self::$_currentParams = $params;
if (isset($route['widget'])) {
Widget::getWidget($route['widget'])->{$route}['method']($params);
} elseif (isset($route['plugin'])) {
Plugin::getPlugin($route['plugin'])->{$route}['method']($params);
}
return;
}
}
//echo '**'.$_SERVER['QUERY_STRING'];
//$path = explode( '/', $pathInfo );
// 永久重定向为规范的 URL 地址
//Response::redirect( $pathInfo.'/', true );
// 没有匹配的路由则显示 404 页面
Response::error(404);
}
/**
* @brief back 返回上一页
*
* @return void
*/
public static function back()
{
// 获取来源
$referer = Request::S('HTTP_REFERER', 'string');
if ($referer == NULL) {
self::redirect(LOGX_PATH);
} else {
self::redirect($referer);
}
}
/**
* @brief runInfo 输出运行信息
*
* @return void
*/
public function runInfo()
{
$run_time = number_format(microtime(TRUE) - LogX::$_globalVars['RUN']['TIME'], 4) * 1000;
// DEBUG 模式下输出额外信息
if (defined('LOGX_DEBUG')) {
Log::add(_t('Process time:') . $run_time . 'ms.', E_USER_NOTICE);
if (function_exists('memory_get_usage')) {
$app_mem = memory_get_usage() - LogX::$_globalVars['RUN']['MEM'];
Log::add(_t('Memory usage:') . $app_mem / 1024 . 'KB.', E_USER_NOTICE);
}
if (function_exists('memory_get_peak_usage')) {
$app_mem = memory_get_peak_usage();
Log::add(_t('Max memory usage:') . $app_mem / 1024 . 'KB.', E_USER_NOTICE);
}
Log::add(_t('Queries:') . Database::$querynum . '. ' . _t('Query time:') . Database::$querytime * 1000 . 'ms.', E_USER_NOTICE);
$content = "以下是应用运行过程中的跟踪信息：\n\n";
$content .= '当前页面：' . Request::S('REQUEST_URI', 'string') . "\n";
$content .= '请求方法：' . Request::S('REQUEST_METHOD', 'string') . "\n";
$content .= '通信协议：' . Request::S('SERVER_PROTOCOL', 'string') . "\n";
$content .= '请求时间：' . date('Y-m-d H:i:s', Request::S('REQUEST_TIME', 'string')) . "\n";
$content .= '用户代理：' . Request::S('HTTP_USER_AGENT', 'string') . "\n";
$content .= "\n日志记录：\n\n";
foreach (Log::get() as $log) {
$content .= '[' . $log['LEVEL'] . '] ' . $log['MESSAGE'] . "\n";
}
$files = get_included_files();
$content .= "\n加载文件：" . str_replace("\n", "\n", substr(substr(print_r($files, true), 7), 0, -2));
if (function_exists('debug_backtrace')) {
$content .= "\nBACKTRACE：\n\n" . var_export(debug_backtrace(), true);
}
echo $content;
} else {
echo 'Processed in ' . $run_time . ' ms, ' . Database::$querynum . ' queries.';
}
}
/**
* @brief showAttachment 防盗链显示、下载附件
*
* @param $params 参数
*
* @return void
*/
public function showAttachment($params)
{
$meta = new MetaLibrary();
$meta->setType(3);
$meta->setMID($params['mid']);
if (!($m = $meta->getMeta())) {
Response::error(404);
return;
}
$m = $m[0];
// 判断 referer 防盗链
$referer = Request::S('HTTP_REFERER', 'string');
if ($referer) {
$referer = parse_url($referer);
$host = parse_url(OptionLibrary::get('domain'));
if (LogX::getDomain($referer['host']) != LogX::getDomain($host['host'])) {
Response::error(403);
exit;
}
}
$m['alias'] = LOGX_FILE . $m['alias'];
// 通过判断getimagesize取出的图片信息是否存在类型标记和色彩位深来防止伪造。
$isimage = false;
if (stristr($m['description'], 'image')) {
if (function_exists('getimagesize')) {
$imginfo = @getimagesize($m['alias']);
if (isset($imginfo[2]) && isset($imginfo['bits'])) {
$isimage = true;
}
unset($imginfo);
} else {
$isimage = true;
}
}
// 附件读取形式，inline直接读取，attachment下载到本地
$disposition = $isimage ? 'inline' : 'attachment';
// 统计附件下载次数
if ($disposition == 'attachment') {
$meta->incReply($params['mid']);
}
$m['description'] = $m['description'] ? $m['description'] : 'application/octet-stream';
if (is_readable($m['alias'])) {
@ob_end_clean();
if ($disposition == 'inline') {
Response::setExpire(60 * 24 * 365);
}
header('content-Encoding: none');
header('content-type: ' . $m['description']);
header('content-Disposition: ' . $disposition . '; filename=' . urlencode($m['name']));
header('content-Length: ' . abs(filesize($m['alias'])));
$fp = @fopen($m['alias'], 'rb');
@fpassthru($fp);
@fclose($fp);
exit;
} else {
Response::error(404);
}
}
/**
* @brief init LogX 全局初始化方法
*
* @return void
*/
public static function init()
{
// 输出 Logo
if (isset($_GET['591E-D5FC-8065-CD36-D3E8-E45C-DB86-9197'])) {
Response::logo();
}
// 非 DEBUG 模式下关闭错误输出
if (defined('LOGX_DEBUG')) {
error_reporting(E_ALL);
} else {
error_reporting(0);
}
// 设置自动载入函数
function __autoLoad($className)
{
if (substr($className, -7) == 'Library' && is_file(LOGX_LIB . $className . '.php')) {
@(require_once LOGX_LIB . $className . '.php');
}
}
// 设置错误与异常处理函数
set_error_handler(array(__CLASS__, 'error'));
set_exception_handler(array(__CLASS__, 'exception'));
// 运行环境检查
if (!version_compare(PHP_VERSION, '5.0.0', '>=')) {
throw new LogXException(sprintf(_t('LogX needs PHP 5.0.x or higher to run. You are currently running PHP %s.'), PHP_VERSION));
}
if (!version_compare(PHP_VERSION, '5.2.0', '>=')) {
// 针对低版本 PHP 的兼容代码
@(require_once LOGX_CORE . 'Compat.php');
}
// 设置语言
if (defined('LOGX_LANGUAGE')) {
Language::set(LOGX_LANGUAGE);
} else {
Language::set('zh-cn');
}
// 预编译核心文件
global $coreFiles;
if (!defined('LOGX_DEBUG') && !file_exists(LOGX_CACHE . '~core.php')) {
Compile::build(LOGX_CACHE, $coreFiles, 'core');
} elseif (!defined('LOGX_DEBUG')) {
$file_time = filemtime(LOGX_CACHE . '~core.php');
foreach ($coreFiles as $file) {
if (filemtime($file) > $file_time) {
Compile::build(LOGX_CACHE, $coreFiles, 'core');
break;
}
}
}
self::$_globalVars = array('RUN' => array('TIME' => microtime(TRUE), 'MEM' => function_exists('memory_get_usage') ? memory_get_usage() : 0, 'LANG' => 'zh-cn'), 'SYSTEM' => array('OS' => PHP_OS, 'HTTP' => Request::S('SERVER_SOFTWARE', 'string'), 'PHP' => PHP_VERSION, 'MYSQL' => ''), 'SUPPORT' => array('MYSQL' => function_exists('mysql_connect'), 'GD' => function_exists('imagecreate'), 'MEMCACHE' => function_exists('memcache_connect'), 'SHMOP' => function_exists('shmop_open'), 'GZIP' => function_exists('ob_gzhandler'), 'TIMEZONE' => function_exists('date_default_timezone_set'), 'AUTOLOAD' => function_exists('spl_autoload_register')), 'INI' => array('ALLOW_CALL_TIME_PASS_REFERENCE' => ini_get('allow_call_time_pass_reference'), 'MAGIC_QUOTES_GPC' => ini_get('magic_quotes_gpc'), 'REGISTER_GLOBALS' => ini_get('register_globals'), 'ALLOW_URL_FOPEN' => ini_get('allow_url_fopen'), 'ALLOW_URL_INCLUDE' => ini_get('allow_url_include'), 'SAFE_MODE' => ini_get('safe_mode'), 'MAX_EXECUTION_TIME' => ini_get('max_execution_time'), 'MEMORY_LIMIT' => ini_get('memory_limit'), 'POST_MAX_SIZE' => ini_get('post_max_size'), 'FILE_UPLOADS' => ini_get('file_uploads'), 'UPLOAD_MAX_FILESIZE' => ini_get('upload_max_filesize'), 'MAX_FILE_UPLOADS' => ini_get('max_file_uploads')));
// 清除不需要的变量，防止变量注入
$defined_vars = get_defined_vars();
foreach ($defined_vars as $key => $value) {
if (!in_array($key, array('_POST', '_GET', '_COOKIE', '_SERVER', '_FILES'))) {
${$key} = '';
unset(${$key});
}
}
// 对用户输入进行转义处理
if (!get_magic_quotes_gpc()) {
$_GET = self::addSlashes($_GET);
$_POST = self::addSlashes($_POST);
$_COOKIE = self::addSlashes($_COOKIE);
}
// 开启输出缓存
if (defined('LOGX_GZIP') && self::$_globalVars['SUPPORT']['GZIP']) {
ob_start('ob_gzhandler');
} else {
ob_start();
}
// 连接到数据库
Database::connect(DB_HOST, DB_USER, DB_PWD, DB_NAME, DB_PCONNECT);
self::$_globalVars['SYSTEM']['MYSQL'] = Database::version();
// 设定时区
if (self::$_globalVars['SUPPORT']['TIMEZONE']) {
date_default_timezone_set(OptionLibrary::get('timezone'));
}
// 连接到缓存
Cache::connect(CACHE_TYPE);
// 初始化路由表
Router::init();
// 初始化主题控制器
Theme::init();
// 初始化 Plugin
Plugin::initPlugins();
// 初始化全局组件
Widget::initWidget('Global');
Widget::initWidget('Widget');
Widget::initWidget('Page');
Widget::initWidget('User');
// 尝试自动登录
Widget::getWidget('User')->autoLogin();
// 启动路由分发
Router::dispatch();
}
