RBAC.class.php | searchcode

/yourphp/App/Lib/ORG/RBAC.class.php

https://gitlab.com/selecterskyphp/framework
PHP | 250 lines | 167 code | 9 blank | 74 comment | 30 complexity | 39294338636ff95bbf482821abb782d8 MD5 | raw file
Possible License(s): Apache-2.0

<?php

// +----------------------------------------------------------------------

// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]

// +----------------------------------------------------------------------

// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.

// +----------------------------------------------------------------------

// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )

// +----------------------------------------------------------------------

// | Author: liu21st <liu21st@gmail.com>

// +----------------------------------------------------------------------

// $Id$



/**

 +------------------------------------------------------------------------------

 * 基于角色的数据库方式验证类

 +------------------------------------------------------------------------------

 * @category   ORG

 * @package  ORG

 * @subpackage  Util

 * @author    liu21st <liu21st@gmail.com>

 * @version   $Id$

 +------------------------------------------------------------------------------

 */

// 配置文件增加设置

// USER_AUTH_ON 是否需要认证

// USER_AUTH_TYPE 认证类型

// USER_AUTH_KEY 认证识别号

// REQUIRE_AUTH_MODULE  需要认证模块

// NOT_AUTH_MODULE 无需认证模块

// USER_AUTH_GATEWAY 认证网关



class RBAC extends Think

{

    // 认证方法

    static public function authenticate($map,$model='')

    {

        if(empty($model)) $model =  C('USER_AUTH_MODEL');

        //使用给定的Map进行认证

        return M($model)->where($map)->find();

    }



    //用于检测用户权限的方法,并保存到Session中

    static function saveAccessList($authId=null)

    {

        if(null===$authId)   $authId = $_SESSION[C('USER_AUTH_KEY')];

        // 如果使用普通权限模式，保存当前用户的访问权限列表

        // 对管理员开发所有权限

        if(C('USER_AUTH_TYPE') !=2 && !$_SESSION[C('ADMIN_AUTH_KEY')] )

            $_SESSION['_ACCESS_LIST']	=	RBAC::getAccessList($authId);

        return ;

    }



	// 取得模块的所属记录访问权限列表 返回有权限的记录ID数组

	static function getRecordAccessList($authId=null,$module='') {

        if(null===$authId)   $authId = $_SESSION[C('USER_AUTH_KEY')];

        if(empty($module))  $module	=	MODULE_NAME;

        //获取权限访问列表

        $accessList = RBAC::getModuleAccessList($authId,$module);

        return $accessList;

	}



    //检查当前操作是否需要认证

    static function checkAccess()

    {

        //如果项目要求认证，并且当前模块需要认证，则进行权限认证

        if( C('USER_AUTH_ON') ){

			$_module	=	array();

			$_action	=	array();

            if("" != C('REQUIRE_AUTH_MODULE')) {

                //需要认证的模块

                $_module['yes'] = explode(',',strtoupper(C('REQUIRE_AUTH_MODULE')));

            }else {

                //无需认证的模块

                $_module['no'] = explode(',',strtoupper(C('NOT_AUTH_MODULE')));

            }

            //检查当前模块是否需要认证

            if((!empty($_module['no']) && !in_array(strtoupper(MODULE_NAME),$_module['no'])) || (!empty($_module['yes']) && in_array(strtoupper(MODULE_NAME),$_module['yes']))) {

				if("" != C('REQUIRE_AUTH_ACTION')) {

					//需要认证的操作

					$_action['yes'] = explode(',',strtoupper(C('REQUIRE_AUTH_ACTION')));

				}else {

					//无需认证的操作

					$_action['no'] = explode(',',strtoupper(C('NOT_AUTH_ACTION')));

				}

				//检查当前操作是否需要认证

				if((!empty($_action['no']) && !in_array(strtoupper(ACTION_NAME),$_action['no'])) || (!empty($_action['yes']) && in_array(strtoupper(ACTION_NAME),$_action['yes']))) {

					return true;

				}else {

					return false;

				}

            }else {

                return false;

            }

        }

        return false;

    }



	// 登录检查

	static public function checkLogin() {

        //检查当前操作是否需要认证

        if(RBAC::checkAccess()) {

            //检查认证识别号

            if(!$_SESSION[C('USER_AUTH_KEY')]) {

                if(C('GUEST_AUTH_ON')) {

                    // 开启游客授权访问

                    if(!isset($_SESSION['_ACCESS_LIST']))

                        // 保存游客权限

                        RBAC::saveAccessList(C('GUEST_AUTH_ID'));

                }else{

                    // 禁止游客访问跳转到认证网关

                    redirect(PHP_FILE.C('USER_AUTH_GATEWAY'));

                }

            }

        }

        return true;

	}



    //权限认证的过滤器方法

    static public function AccessDecision($appName=APP_NAME)

    {

        //检查是否需要认证

        if(RBAC::checkAccess()) {

            //存在认证识别号，则进行进一步的访问决策

            $accessGuid   =   md5($appName.MODULE_NAME.ACTION_NAME);

            if(empty($_SESSION[C('ADMIN_AUTH_KEY')])) {

                if(C('USER_AUTH_TYPE')==2) {

                    //加强验证和即时验证模式 更加安全 后台权限修改可以即时生效

                    //通过数据库进行访问检查

                    $accessList = RBAC::getAccessList($_SESSION[C('USER_AUTH_KEY')]);

                }else {

                    // 如果是管理员或者当前操作已经认证过，无需再次认证

                    if( $_SESSION[$accessGuid]) {

                        return true;

                    }

                    //登录验证模式，比较登录后保存的权限访问列表

                    $accessList = $_SESSION['_ACCESS_LIST'];

                }

                //判断是否为组件化模式，如果是，验证其全模块名

                $module = defined('P_MODULE_NAME')?  P_MODULE_NAME   :   MODULE_NAME;

                if(!isset($accessList[strtoupper($appName)][strtoupper($module)][strtoupper(ACTION_NAME)])) {

                    $_SESSION[$accessGuid]  =   false;

                    return false;

                }

                else {

                    $_SESSION[$accessGuid]	=	true;

                }

            }else{

                //管理员无需认证

				return true;

			}

        }

        return true;

    }



    /**

     +----------------------------------------------------------

     * 取得当前认证号的所有权限列表

     +----------------------------------------------------------

     * @param integer $authId 用户ID

     +----------------------------------------------------------

     * @access public

     +----------------------------------------------------------

     */

    static public function getAccessList($authId)

    {

        // Db方式权限数据

        $db     =   Db::getInstance();

        $table = array('role'=>C('RBAC_ROLE_TABLE'),'user'=>C('RBAC_USER_TABLE'),'access'=>C('RBAC_ACCESS_TABLE'),'node'=>C('RBAC_NODE_TABLE'));

        $sql    =   "select node.id,node.name from ".

                    $table['role']." as role,".

                    $table['user']." as user,".

                    $table['access']." as access ,".

                    $table['node']." as node ".

                    "where user.user_id='{$authId}' and user.role_id=role.id and ( access.role_id=role.id  or (access.role_id=role.pid and role.pid!=0 ) ) and role.status=1 and access.node_id=node.id and node.level=1 and node.status=1";

        $apps =   $db->query($sql);

        $access =  array();

        foreach($apps as $key=>$app) {

            $appId	=	$app['id'];

            $appName	 =	 $app['name'];

            // 读取项目的模块权限

            $access[strtoupper($appName)]   =  array();

            $sql    =   "select node.id,node.name from ".

                    $table['role']." as role,".

                    $table['user']." as user,".

                    $table['access']." as access ,".

                    $table['node']." as node ".

                    "where user.user_id='{$authId}' and user.role_id=role.id and ( access.role_id=role.id  or (access.role_id=role.pid and role.pid!=0 ) ) and role.status=1 and access.node_id=node.id and node.level=2 and node.pid={$appId} and node.status=1";

            $modules =   $db->query($sql);

            // 判断是否存在公共模块的权限

            $publicAction  = array();

            foreach($modules as $key=>$module) {

                $moduleId	 =	 $module['id'];

                $moduleName = $module['name'];

                if('PUBLIC'== strtoupper($moduleName)) {

                $sql    =   "select node.id,node.name from ".

                    $table['role']." as role,".

                    $table['user']." as user,".

                    $table['access']." as access ,".

                    $table['node']." as node ".

                    "where user.user_id='{$authId}' and user.role_id=role.id and ( access.role_id=role.id  or (access.role_id=role.pid and role.pid!=0 ) ) and role.status=1 and access.node_id=node.id and node.level=3 and node.pid={$moduleId} and node.status=1";

                    $rs =   $db->query($sql);

                    foreach ($rs as $a){

                        $publicAction[$a['name']]	 =	 $a['id'];

                    }

                    unset($modules[$key]);

                    break;

                }

            }

            // 依次读取模块的操作权限

            foreach($modules as $key=>$module) {

                $moduleId	 =	 $module['id'];

                $moduleName = $module['name'];

                $sql    =   "select node.id,node.name from ".

                    $table['role']." as role,".

                    $table['user']." as user,".

                    $table['access']." as access ,".

                    $table['node']." as node ".

                    "where user.user_id='{$authId}' and user.role_id=role.id and ( access.role_id=role.id  or (access.role_id=role.pid and role.pid!=0 ) ) and role.status=1 and access.node_id=node.id and node.level=3 and node.pid={$moduleId} and node.status=1";

                $rs =   $db->query($sql);

                $action = array();

                foreach ($rs as $a){

                    $action[$a['name']]	 =	 $a['id'];

                }

                // 和公共模块的操作权限合并

                $action += $publicAction;

                $access[strtoupper($appName)][strtoupper($moduleName)]   =  array_change_key_case($action,CASE_UPPER);

            }

        }

        return $access;

    }



	// 读取模块所属的记录访问权限

	static public function getModuleAccessList($authId,$module) {

        // Db方式

        $db     =   Db::getInstance();

        $table = array('role'=>C('RBAC_ROLE_TABLE'),'user'=>C('RBAC_USER_TABLE'),'access'=>C('RBAC_ACCESS_TABLE'));

        $sql    =   "select access.node_id from ".

                    $table['role']." as role,".

                    $table['user']." as user,".

                    $table['access']." as access ".

                    "where user.user_id='{$authId}' and user.role_id=role.id and ( access.role_id=role.id  or (access.role_id=role.pid and role.pid!=0 ) ) and role.status=1 and  access.module='{$module}' and access.status=1";

        $rs =   $db->query($sql);

        $access	=	array();

        foreach ($rs as $node){

            $access[]	=	$node['node_id'];

        }

		return $access;

	}

}//end class

?>