cf-platform/ThinkPHP/Mode/Lite/App.class.php

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace Think;
/**
 * ThinkPHP 应用程序类 执行应用过程管理
 */
class App {

    /**
     * 应用程序初始化
     * @access public
     * @return void
     */
    static public function init() {

        // 日志目录转换为绝对路径 默认情况下存储到公共模块下面
        C('LOG_PATH',   realpath(LOG_PATH).'/Common/');

        // 定义当前请求的系统常量
        define('NOW_TIME',      $_SERVER['REQUEST_TIME']);
        define('REQUEST_METHOD',$_SERVER['REQUEST_METHOD']);
        define('IS_GET',        REQUEST_METHOD =='GET' ? true : false);
        define('IS_POST',       REQUEST_METHOD =='POST' ? true : false);
        define('IS_PUT',        REQUEST_METHOD =='PUT' ? true : false);
        define('IS_DELETE',     REQUEST_METHOD =='DELETE' ? true : false);

        // URL调度
        Dispatcher::dispatch();

        if(C('REQUEST_VARS_FILTER')){
			// 全局安全过滤
			array_walk_recursive($_GET,		'think_filter');
			array_walk_recursive($_POST,	'think_filter');
			array_walk_recursive($_REQUEST,	'think_filter');
		}

        define('IS_AJAX',       ((isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') || !empty($_POST[C('VAR_AJAX_SUBMIT')]) || !empty($_GET[C('VAR_AJAX_SUBMIT')])) ? true : false);

        // TMPL_EXCEPTION_FILE 改为绝对地址
        C('TMPL_EXCEPTION_FILE',realpath(C('TMPL_EXCEPTION_FILE')));
        return ;
    }

    /**
     * 执行应用程序
     * @access public
     * @return void
     */
    static public function exec() {
    
        if(!preg_match('/^[A-Za-z](\/|\w)*$/',CONTROLLER_NAME)){ // 安全检测
            $module  =  false;
        }else{
            //创建控制器实例
            $module  =  controller(CONTROLLER_NAME);                
        }

        if(!$module) {
            // 是否定义Empty控制器
            $module = A('Empty');
            if(!$module){
                E(L('_CONTROLLER_NOT_EXIST_').':'.CONTROLLER_NAME);
            }
        }

        // 获取当前操作名 支持动态路由
        $action    =   ACTION_NAME.C('ACTION_SUFFIX');  

        try{
            if(!preg_match('/^[A-Za-z](\w)*$/',$action)){
                // 非法操作
                throw new \ReflectionException();
            }
            //执行当前操作
            $method =   new \ReflectionMethod($module, $action);
            if($method->isPublic() && !$method->isStatic()) {
                $class  =   new \ReflectionClass($module);
                // URL参数绑定检测
                if($method->getNumberOfParameters()>0 && C('URL_PARAMS_BIND')){
                    switch($_SERVER['REQUEST_METHOD']) {
                        case 'POST':
                            $vars    =  array_merge($_GET,$_POST);
                            break;
                        case 'PUT':
                            parse_str(file_get_contents('php://input'), $vars);
                            break;
                        default:
                            $vars  =  $_GET;
                    }
                    $params =  $method->getParameters();
                    $paramsBindType     =   C('URL_PARAMS_BIND_TYPE');
                    foreach ($params as $param){
                        $name = $param->getName();
                        if( 1 == $paramsBindType && !empty($vars) ){
                            $args[] =   array_shift($vars);
                        }elseif( 0 == $paramsBindType && isset($vars[$name])){
                            $args[] =   $vars[$name];
                        }elseif($param->isDefaultValueAvailable()){
                            $args[] =   $param->getDefaultValue();
                        }else{
                            E(L('_PARAM_ERROR_').':'.$name);
                        }   
                    }
                    // 开启绑定参数过滤机制
                    if(C('URL_PARAMS_SAFE')){
                        $filters     =   C('URL_PARAMS_FILTER')?:C('DEFAULT_FILTER');
                        if($filters) {
                            $filters    =   explode(',',$filters);
                            foreach($filters as $filter){
                                $args   =   array_map_recursive($filter,$args); // 参数过滤
                            }
                        }                        
                    }
					array_walk_recursive($args,'think_filter');
                    $method->invokeArgs($module,$args);
                }else{
                    $method->invoke($module);
                }
            }else{
                // 操作方法不是Public 抛出异常
                throw new \ReflectionException();
            }
        } catch (\ReflectionException $e) { 
            // 方法调用发生异常后 引导到__call方法处理
            $method = new \ReflectionMethod($module,'__call');
            $method->invokeArgs($module,array($action,''));
        }
        return ;
    }

    /**
     * 运行应用实例 入口文件使用的快捷方法
     * @access public
     * @return void
     */
    static public function run() {
        App::init();
        // Session初始化
        if(!IS_CLI){
            session(C('SESSION_OPTIONS'));
        }
        // 记录应用初始化时间
        G('initTime');
        App::exec();
        return ;
    }

}