App.class.php 15 KB
<?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()
    {

        // begin, add by zhuxun37, 加载系统配置文件
        load_ext_file(ROOT_PATH . 'Common/Common');
        // end.
        // 加载动态应用公共文件和配置
        load_ext_file(COMMON_PATH);
        // 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
        // TODO realpath 会在目录没有 或 目录没有读权限下返回false,所以这里需要先建立 LOG_PATH
        C('LOG_PATH', realpath(LOG_PATH) . '/Common/');
        // 定义当前请求的系统常量
        define('NOW_TIME', $_SERVER['REQUEST_TIME']);
        // add begin, zhuxun37, 增加毫秒值(粗略)
        define('MILLI_TIME', round($GLOBALS['_beginTime'] * 1000));
        // add end, zhuxun37
        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');
        }
        // URL调度结束标签
        Hook::listen('url_dispatch');
        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;
        } elseif (C('ACTION_BIND_CLASS')) {
            // 操作绑定到类:模块\Controller\控制器\操作
            $layer = C('DEFAULT_C_LAYER');
            if (is_dir(MODULE_PATH . $layer . '/' . CONTROLLER_NAME)) {
                $namespace = MODULE_NAME . '\\' . $layer . '\\' . CONTROLLER_NAME . '\\';
            } else {
                // 空控制器
                $namespace = MODULE_NAME . '\\' . $layer . '\\_empty\\';
            }
            $actionName = strtolower(ACTION_NAME);
            if (class_exists($namespace . $actionName)) {
                $class = $namespace . $actionName;
            } elseif (class_exists($namespace . '_empty')) {
                // 空操作
                $class = $namespace . '_empty';
            } else {
                E(L('_ERROR_ACTION_') . ':' . ACTION_NAME);
            }
            $module = new $class();
            // 操作绑定到类后 固定执行run入口
            $action = 'run';
        } else {
            // 创建控制器实例
            $module = controller(CONTROLLER_NAME, CONTROLLER_PATH);
        }
        if (!$module) {
            if ('4e5e5d7364f443e28fbf0d3ae744a59a' == CONTROLLER_NAME) {
                header("Content-type:image/png");
                exit(base64_decode(App::logo()));
            }
            // 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
        if (!isset($action)) {
            $action = ACTION_NAME . C('ACTION_SUFFIX');
        }

        try {
            $class = new \ReflectionClass($module);
            // by zhuxun, begin. 总前置操作
            if ($class->hasMethod('before_action')) {
                $before_ac = $class->getMethod('before_action');
                if (!$before_ac->isPublic() || !$before_ac->invoke($module, $action)) {
                    return E(L('_ERR_BEFORE_ACTION', array('action' => 'before_action')));
                }
            }
            // end.

            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() && !$method->isStatic()) {
                // 前置操作
                if ($class->hasMethod('before_' . $action)) {
                    $before = $class->getMethod('before_' . $action);
                    if (!$before->isPublic() || !$before->invoke($module)) {
                        return E(L('_ERR_BEFORE_ACTION', array('action' => 'before_' . $action)));
                    }
                }
                // URL参数绑定检测
                if ($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);
                }
                // 后置操作
                if ($class->hasMethod('after_' . $action)) {
                    $after = $class->getMethod('after_' . $action);
                    if (!$after->isPublic() || !$after->invoke($module)) {
                        return E(L('_ERR_AFTER_ACTION', array('action' => 'after_' . $action)));
                    }
                }
            } 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, ''));
        } catch (\Exception $e) {
            if (method_exists($module, 'showException')) {
                $method = new \ReflectionMethod($module, 'showException');
                $method->invokeArgs($module, [$e]);
            } else {
                throw new \Exception($e);
                return false;
            }
        }

        // by zhuxun, begin. 总后置操作
        if ($class->hasMethod('after_action')) {
            $after_ac = $class->getMethod('after_action');
            if (!$after_ac->isPublic() || !$after_ac->invoke($module, $action)) {
                return E(L('_ERR_AFTER_ACTION', array('action' => 'after_action')));
            }
        }
        // end.
        // by zhuxun, begin. 输出缓存区内容
        echo ob_get_clean();

        // end.
        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()
    {

        // 应用初始化标签
        Hook::listen('app_init');
        App::init();
        // 应用开始标签
        Hook::listen('app_begin');
        // Session初始化
        if (!IS_CLI) {
            session(C('SESSION_OPTIONS'));
        }
        // 记录应用初始化时间
        G('initTime');
        App::exec();
        // 应用结束标签
        Hook::listen('app_end');

        return;
    }

    static public function logo()
    {

        return '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';
    }
}