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285 lines
12 KiB
PHP
285 lines
12 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Org\Util;
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use Think\Db;
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/**
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+------------------------------------------------------------------------------
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* 基于角色的数据库方式验证类
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+------------------------------------------------------------------------------
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*/
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// 配置文件增加设置
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// USER_AUTH_ON 是否需要认证
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// USER_AUTH_TYPE 认证类型
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// USER_AUTH_KEY 认证识别号
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// REQUIRE_AUTH_MODULE 需要认证模块
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// NOT_AUTH_MODULE 无需认证模块
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// USER_AUTH_GATEWAY 认证网关
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// RBAC_DB_DSN 数据库连接DSN
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// RBAC_ROLE_TABLE 角色表名称
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// RBAC_USER_TABLE 用户表名称
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// RBAC_ACCESS_TABLE 权限表名称
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// RBAC_NODE_TABLE 节点表名称
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/*
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-- --------------------------------------------------------
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CREATE TABLE IF NOT EXISTS `think_access` (
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`role_id` smallint(6) unsigned NOT NULL,
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`node_id` smallint(6) unsigned NOT NULL,
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`level` tinyint(1) NOT NULL,
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`module` varchar(50) DEFAULT NULL,
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KEY `groupId` (`role_id`),
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KEY `nodeId` (`node_id`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8;
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CREATE TABLE IF NOT EXISTS `think_node` (
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`id` smallint(6) unsigned NOT NULL AUTO_INCREMENT,
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`name` varchar(20) NOT NULL,
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`title` varchar(50) DEFAULT NULL,
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`status` tinyint(1) DEFAULT '0',
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`remark` varchar(255) DEFAULT NULL,
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`sort` smallint(6) unsigned DEFAULT NULL,
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`pid` smallint(6) unsigned NOT NULL,
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`level` tinyint(1) unsigned NOT NULL,
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PRIMARY KEY (`id`),
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KEY `level` (`level`),
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KEY `pid` (`pid`),
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KEY `status` (`status`),
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KEY `name` (`name`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8;
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CREATE TABLE IF NOT EXISTS `think_role` (
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`id` smallint(6) unsigned NOT NULL AUTO_INCREMENT,
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`name` varchar(20) NOT NULL,
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`pid` smallint(6) DEFAULT NULL,
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`status` tinyint(1) unsigned DEFAULT NULL,
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`remark` varchar(255) DEFAULT NULL,
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PRIMARY KEY (`id`),
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KEY `pid` (`pid`),
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KEY `status` (`status`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8 ;
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CREATE TABLE IF NOT EXISTS `think_role_user` (
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`role_id` mediumint(9) unsigned DEFAULT NULL,
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`user_id` char(32) DEFAULT NULL,
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KEY `group_id` (`role_id`),
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KEY `user_id` (`user_id`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8;
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*/
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class Rbac {
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// 认证方法
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static public function authenticate($map,$model='') {
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if(empty($model)) $model = C('USER_AUTH_MODEL');
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//使用给定的Map进行认证
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return M($model)->where($map)->find();
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}
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//用于检测用户权限的方法,并保存到Session中
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static function saveAccessList($authId=null) {
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if(null===$authId) $authId = $_SESSION[C('USER_AUTH_KEY')];
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// 如果使用普通权限模式，保存当前用户的访问权限列表
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// 对管理员开发所有权限
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if(C('USER_AUTH_TYPE') !=2 && !$_SESSION[C('ADMIN_AUTH_KEY')] )
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$_SESSION['_ACCESS_LIST'] = self::getAccessList($authId);
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return ;
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}
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// 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
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static function getRecordAccessList($authId=null,$module='') {
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if(null===$authId) $authId = $_SESSION[C('USER_AUTH_KEY')];
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if(empty($module)) $module = CONTROLLER_NAME;
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//获取权限访问列表
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$accessList = self::getModuleAccessList($authId,$module);
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return $accessList;
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}
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//检查当前操作是否需要认证
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static function checkAccess() {
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//如果项目要求认证，并且当前模块需要认证，则进行权限认证
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if( C('USER_AUTH_ON') ){
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$_module = array();
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$_action = array();
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if("" != C('REQUIRE_AUTH_MODULE')) {
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//需要认证的模块
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$_module['yes'] = explode(',',strtoupper(C('REQUIRE_AUTH_MODULE')));
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}else {
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//无需认证的模块
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$_module['no'] = explode(',',strtoupper(C('NOT_AUTH_MODULE')));
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}
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//检查当前模块是否需要认证
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if((!empty($_module['no']) && !in_array(strtoupper(CONTROLLER_NAME),$_module['no'])) || (!empty($_module['yes']) && in_array(strtoupper(CONTROLLER_NAME),$_module['yes']))) {
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if("" != C('REQUIRE_AUTH_ACTION')) {
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//需要认证的操作
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$_action['yes'] = explode(',',strtoupper(C('REQUIRE_AUTH_ACTION')));
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}else {
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//无需认证的操作
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$_action['no'] = explode(',',strtoupper(C('NOT_AUTH_ACTION')));
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}
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//检查当前操作是否需要认证
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if((!empty($_action['no']) && !in_array(strtoupper(ACTION_NAME),$_action['no'])) || (!empty($_action['yes']) && in_array(strtoupper(ACTION_NAME),$_action['yes']))) {
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return true;
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}else {
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return false;
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}
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}else {
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return false;
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}
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}
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return false;
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}
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// 登录检查
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static public function checkLogin() {
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//检查当前操作是否需要认证
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if(self::checkAccess()) {
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//检查认证识别号
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if(!$_SESSION[C('USER_AUTH_KEY')]) {
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if(C('GUEST_AUTH_ON')) {
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// 开启游客授权访问
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if(!isset($_SESSION['_ACCESS_LIST']))
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// 保存游客权限
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self::saveAccessList(C('GUEST_AUTH_ID'));
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}else{
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// 禁止游客访问跳转到认证网关
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redirect(PHP_FILE.C('USER_AUTH_GATEWAY'));
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}
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}
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}
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return true;
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}
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//权限认证的过滤器方法
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static public function AccessDecision($appName=MODULE_NAME) {
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//检查是否需要认证
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if(self::checkAccess()) {
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//存在认证识别号，则进行进一步的访问决策
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$accessGuid = md5($appName.CONTROLLER_NAME.ACTION_NAME);
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if(empty($_SESSION[C('ADMIN_AUTH_KEY')])) {
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if(C('USER_AUTH_TYPE')==2) {
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//加强验证和即时验证模式 更加安全 后台权限修改可以即时生效
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//通过数据库进行访问检查
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$accessList = self::getAccessList($_SESSION[C('USER_AUTH_KEY')]);
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}else {
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// 如果是管理员或者当前操作已经认证过，无需再次认证
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if( $_SESSION[$accessGuid]) {
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return true;
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}
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//登录验证模式，比较登录后保存的权限访问列表
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$accessList = $_SESSION['_ACCESS_LIST'];
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}
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//判断是否为组件化模式，如果是，验证其全模块名
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if(!isset($accessList[strtoupper($appName)][strtoupper(CONTROLLER_NAME)][strtoupper(ACTION_NAME)])) {
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$_SESSION[$accessGuid] = false;
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return false;
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}
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else {
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$_SESSION[$accessGuid] = true;
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}
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}else{
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//管理员无需认证
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return true;
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}
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}
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return true;
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}
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/**
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+----------------------------------------------------------
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* 取得当前认证号的所有权限列表
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+----------------------------------------------------------
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* @param integer $authId 用户ID
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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*/
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static public function getAccessList($authId) {
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// Db方式权限数据
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$db = Db::getInstance(C('RBAC_DB_DSN'));
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$table = array('role'=>C('RBAC_ROLE_TABLE'),'user'=>C('RBAC_USER_TABLE'),'access'=>C('RBAC_ACCESS_TABLE'),'node'=>C('RBAC_NODE_TABLE'));
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$sql = "select node.id,node.name from ".
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$table['role']." as role,".
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$table['user']." as user,".
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$table['access']." as access ,".
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$table['node']." as node ".
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"where user.user_id='{$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";
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$apps = $db->query($sql);
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$access = array();
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foreach($apps as $key=>$app) {
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$appId = $app['id'];
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$appName = $app['name'];
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// 读取项目的模块权限
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$access[strtoupper($appName)] = array();
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$sql = "select node.id,node.name from ".
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$table['role']." as role,".
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$table['user']." as user,".
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$table['access']." as access ,".
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$table['node']." as node ".
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"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";
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$modules = $db->query($sql);
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// 判断是否存在公共模块的权限
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$publicAction = array();
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foreach($modules as $key=>$module) {
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$moduleId = $module['id'];
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$moduleName = $module['name'];
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if('PUBLIC'== strtoupper($moduleName)) {
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$sql = "select node.id,node.name from ".
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$table['role']." as role,".
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$table['user']." as user,".
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$table['access']." as access ,".
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$table['node']." as node ".
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"where user.user_id='{$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={$moduleId} and node.status=1";
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$rs = $db->query($sql);
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foreach ($rs as $a){
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$publicAction[$a['name']] = $a['id'];
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}
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unset($modules[$key]);
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break;
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}
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}
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// 依次读取模块的操作权限
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foreach($modules as $key=>$module) {
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$moduleId = $module['id'];
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$moduleName = $module['name'];
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$sql = "select node.id,node.name from ".
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$table['role']." as role,".
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$table['user']." as user,".
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$table['access']." as access ,".
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$table['node']." as node ".
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"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";
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$rs = $db->query($sql);
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$action = array();
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foreach ($rs as $a){
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$action[$a['name']] = $a['id'];
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}
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// 和公共模块的操作权限合并
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$action += $publicAction;
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$access[strtoupper($appName)][strtoupper($moduleName)] = array_change_key_case($action,CASE_UPPER);
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}
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}
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return $access;
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}
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// 读取模块所属的记录访问权限
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static public function getModuleAccessList($authId,$module) {
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// Db方式
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$db = Db::getInstance(C('RBAC_DB_DSN'));
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$table = array('role'=>C('RBAC_ROLE_TABLE'),'user'=>C('RBAC_USER_TABLE'),'access'=>C('RBAC_ACCESS_TABLE'));
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$sql = "select access.node_id from ".
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$table['role']." as role,".
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$table['user']." as user,".
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$table['access']." as access ".
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"where user.user_id='{$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='{$module}' and access.status=1";
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$rs = $db->query($sql);
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$access = array();
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foreach ($rs as $node){
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$access[] = $node['node_id'];
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}
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return $access;
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}
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} |