2020-02-12 17:52:29 +08:00
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP 6.0 [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2020 https://www.aieok.com 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: taoler <changlin_zhao@qq.com>
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// +----------------------------------------------------------------------
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namespace taoser\think;
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use think\facade\Db;
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use think\facade\Config;
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use think\facade\Session;
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/**
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* 权限认证类
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* 功能特性:
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* 1,是对规则进行认证,不是对节点进行认证。用户可以把节点当作规则名称实现对节点进行认证。
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* $auth=new Auth(); $auth->check('规则名称','用户id')
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* 2,可以同时对多条规则进行认证,并设置多条规则的关系(or或者and)
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* $auth=new Auth(); $auth->check('规则1,规则2','用户id','and')
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* 第三个参数为and时表示,用户需要同时具有规则1和规则2的权限。 当第三个参数为or时,表示用户值需要具备其中一个条件即可。默认为or
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* 3,一个用户可以属于多个用户组(think_auth_group_access表 定义了用户所属用户组)。我们需要设置每个用户组拥有哪些规则(think_auth_group 定义了用户组权限)
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*
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* 4,支持规则表达式。
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* 在think_auth_rule 表中定义一条规则时,如果type为1, condition字段就可以定义规则表达式。 如定义{score}>5 and {score}<100 表示用户的分数在5-100之间时这条规则才会通过。
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*/
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//数据库
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/*
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-- ----------------------------
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-- tp_admin,用户表,
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-- id:主键,is_admin:是否是管理员
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-- ----------------------------
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DROP TABLE IF EXISTS `tp_admin`;
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CREATE TABLE `tp_admin` (
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`id` int(11) unsigned NOT NULL AUTO_INCREMENT COMMENT '管理员ID',
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`is_admin` tinyint(1) NOT NULL DEFAULT '0',
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`username` varchar(50) NOT NULL DEFAULT '' COMMENT '管理员用户名',
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`fullname` varchar(50) NOT NULL DEFAULT '',
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`phone` varchar(20) NOT NULL DEFAULT '',
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`password_reset_token` varchar(255) NOT NULL DEFAULT '',
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`access_token` varchar(32) NOT NULL DEFAULT '',
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`email` varchar(255) NOT NULL DEFAULT '' COMMENT '邮箱',
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`password` varchar(32) NOT NULL DEFAULT '' COMMENT '管理员密码',
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`login_times` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '登陆次数',
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`login_ip` varchar(20) NOT NULL DEFAULT '' COMMENT 'IP地址',
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`login_time` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '登陆时间',
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`last_login_ip` varchar(255) NOT NULL DEFAULT '' COMMENT '上次登陆ip',
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`last_login_time` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '上次登陆时间',
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`user_agent` varchar(500) NOT NULL DEFAULT '' COMMENT 'user_agent',
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`create_time` int(10) unsigned NOT NULL DEFAULT '0',
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`update_time` int(10) NOT NULL DEFAULT '0',
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`status` tinyint(1) NOT NULL DEFAULT '1' COMMENT '1可用0禁用',
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PRIMARY KEY (`id`)
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) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
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-- ----------------------------
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-- think_auth_rule,规则表,
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-- id:主键,name:规则唯一标识, title:规则中文名称 status 状态:为1正常,为0禁用,condition:规则表达式,为空表示存在就验证,不为空表示按照条件验证
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-- ----------------------------
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DROP TABLE IF EXISTS `think_auth_rule`;
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CREATE TABLE `think_auth_rule` (
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`id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
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`name` char(80) NOT NULL DEFAULT '',
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`title` char(20) NOT NULL DEFAULT '',
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`type` tinyint(1) NOT NULL DEFAULT '1',
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`status` tinyint(1) NOT NULL DEFAULT '1',
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`condition` char(100) NOT NULL DEFAULT '', # 规则附件条件,满足附加条件的规则,才认为是有效的规则
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PRIMARY KEY (`id`),
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UNIQUE KEY `name` (`name`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8;
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-- ----------------------------
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-- think_auth_group 用户组表,
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-- id:主键, title:用户组中文名称, rules:用户组拥有的规则id, 多个规则","隔开,status 状态:为1正常,为0禁用
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-- ----------------------------
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DROP TABLE IF EXISTS `think_auth_group`;
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CREATE TABLE `think_auth_group` (
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`id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
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`title` char(100) NOT NULL DEFAULT '',
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`status` tinyint(1) NOT NULL DEFAULT '1',
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`rules` char(80) NOT NULL DEFAULT '',
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PRIMARY KEY (`id`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8;
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-- ----------------------------
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-- think_auth_group_access 用户组明细表
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-- uid:用户id,group_id:用户组id
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-- ----------------------------
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DROP TABLE IF EXISTS `think_auth_group_access`;
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CREATE TABLE `think_auth_group_access` (
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`uid` mediumint(8) unsigned NOT NULL,
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`group_id` mediumint(8) unsigned NOT NULL,
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UNIQUE KEY `uid_group_id` (`uid`,`group_id`),
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KEY `uid` (`uid`),
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KEY `group_id` (`group_id`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8;
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*/
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class Auth
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{
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/**
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* @var object 对象实例
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*/
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protected static $instance;
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/**
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* 当前请求实例
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* @var Request
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*/
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protected $request;
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//默认配置
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protected $config = [
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'auth_on' => true, // 权限开关
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'auth_type' => 1, // 认证方式,1为实时认证;2为登录认证。
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'auth_group' => 'auth_group', // 用户组数据表名
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'auth_group_access' => 'auth_group_access', // 用户-用户组关系表
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'auth_rule' => 'auth_rule', // 权限规则表
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'auth_user' => 'admin', // 用户信息表
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];
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/**
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* 类架构函数
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* Auth constructor.
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*/
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public function __construct()
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{
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//可设置配置项 auth, 此配置项为数组。
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if ($auth = Config::get('auth')) {
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$this->config = array_merge($this->config, $auth);
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}
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// 初始化request
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$this->request = request();
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}
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/**
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* 初始化
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* @access public
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* @param array $options 参数
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* @return \think\Request
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*/
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public static function instance($options = [])
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{
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if (is_null(self::$instance)) {
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self::$instance = new static($options);
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}
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return self::$instance;
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}
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/**
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* 检查权限
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* @param $name string|array 需要验证的规则列表,支持逗号分隔的权限规则或索引数组
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* @param $uid int 认证用户的id
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* @param int $type 认证类型
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* @param string $mode 执行check的模式
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* @param string $relation 如果为 'or' 表示满足任一条规则即通过验证;如果为 'and'则表示需满足所有规则才能通过验证
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* @return bool 通过验证返回true;失败返回false
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*/
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public function check($name, $uid, $type = 1, $mode = 'url', $relation = 'or')
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{
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if (!$this->config['auth_on']) {
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return true;
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}
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// 获取用户需要验证的所有有效规则列表
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$authList = $this->getAuthList($uid, $type);
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2023-03-16 22:30:36 +08:00
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// halt($authList);
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2020-02-12 17:52:29 +08:00
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if (is_string($name)) {
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$name = strtolower($name);
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if (strpos($name, ',') !== false) {
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$name = explode(',', $name);
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} else {
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$name = [$name];
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}
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}
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$list = []; //保存验证通过的规则名
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if ('url' == $mode) {
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$REQUEST = unserialize(strtolower(serialize($this->request->param())));
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}
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foreach ($authList as $auth) {
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$query = preg_replace('/^.+\?/U', '', $auth);
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if ('url' == $mode && $query != $auth) {
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parse_str($query, $param); //解析规则中的param
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$intersect = array_intersect_assoc($REQUEST, $param);
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$auth = preg_replace('/\?.*$/U', '', $auth);
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if (in_array($auth, $name) && $intersect == $param) {
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//如果节点相符且url参数满足
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$list[] = $auth;
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}
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} else {
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if (in_array($auth, $name)) {
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$list[] = $auth;
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}
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}
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}
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if ('or' == $relation && !empty($list)) {
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return true;
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}
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$diff = array_diff($name, $list);
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if ('and' == $relation && empty($diff)) {
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return true;
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}
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return false;
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}
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/**
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* 根据用户id获取用户组,返回值为数组
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* @param $uid int 用户id
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* @return array 用户所属的用户组 array(
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* array('uid'=>'用户id','group_id'=>'用户组id','title'=>'用户组名称','rules'=>'用户组拥有的规则id,多个,号隔开'),
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* ...)
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*/
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public function getGroups($uid)
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{
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static $groups = [];
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if (isset($groups[$uid])) {
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return $groups[$uid];
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}
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// 转换表名
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$auth_group_access = $this->parseName($this->config['auth_group_access'], 1);
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$auth_group = $this->parseName($this->config['auth_group'], 1);
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// 执行查询
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$user_groups = Db::view($auth_group_access, 'uid,group_id')
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->view($auth_group, 'title,rules', "{$auth_group_access}.group_id={$auth_group}.id", 'LEFT')
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->where("{$auth_group_access}.uid='{$uid}' and {$auth_group}.status='1'")
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->select();
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$groups[$uid] = $user_groups ?: [];
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return $groups[$uid];
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}
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/**
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* 获得权限列表
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* @param integer $uid 用户id
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* @param integer $type
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* @return array
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*/
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protected function getAuthList($uid, $type)
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{
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static $_authList = []; //保存用户验证通过的权限列表
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$t = implode(',', (array)$type);
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if (isset($_authList[$uid . $t])) {
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return $_authList[$uid . $t];
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}
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if (2 == $this->config['auth_type'] && Session::has('_auth_list_' . $uid . $t)) {
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return Session::get('_auth_list_' . $uid . $t);
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}
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//读取用户所属用户组
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$groups = $this->getGroups($uid);
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$ids = []; //保存用户所属用户组设置的所有权限规则id
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foreach ($groups as $g) {
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$ids = array_merge($ids, explode(',', trim($g['rules'], ',')));
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}
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$ids = array_unique($ids);
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if (empty($ids)) {
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$_authList[$uid . $t] = [];
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return [];
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}
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//读取用户组所有权限规则
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$map[] = ['id', 'in', $ids];
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$map[] = ['status', '=', 1];
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$rules = Db::name($this->config['auth_rule'])->where($map)->field('condition,name')->select();
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//循环规则,判断结果。
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$authList = []; //
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foreach ($rules as $rule) {
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if (!empty($rule['condition'])) {
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//根据condition进行验证
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$user = $this->getUserInfo($uid); //获取用户信息,一维数组
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$command = preg_replace('/\{(\w*?)\}/', '$user[\'\\1\']', $rule['condition']);
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//dump($command); //debug
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@(eval('$condition=(' . $command . ');'));
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if ($condition) {
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$authList[] = strtolower($rule['name']);
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}
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} else {
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//只要存在就记录
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$authList[] = strtolower($rule['name']);
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}
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}
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$_authList[$uid . $t] = $authList;
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if (2 == $this->config['auth_type']) {
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|
|
|
//规则列表结果保存到session
|
|
|
|
|
Session::set('_auth_list_' . $uid . $t, $authList);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return array_unique($authList);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获得用户资料,根据自己的情况读取数据库
|
|
|
|
|
*/
|
|
|
|
|
protected function getUserInfo($uid)
|
|
|
|
|
{
|
|
|
|
|
static $userinfo = [];
|
|
|
|
|
|
|
|
|
|
$user = Db::name($this->config['auth_user']);
|
|
|
|
|
// 获取用户表主键
|
|
|
|
|
$_pk = is_string($user->getPk()) ? $user->getPk() : 'uid';
|
|
|
|
|
if (!isset($userinfo[$uid])) {
|
|
|
|
|
$userinfo[$uid] = $user->where($_pk, $uid)->find();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return $userinfo[$uid];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 字符串命名风格转换
|
|
|
|
|
* type 0 将Java风格转换为C的风格 1 将C风格转换为Java的风格
|
|
|
|
|
* @access public
|
|
|
|
|
* @param string $name 字符串
|
|
|
|
|
* @param integer $type 转换类型
|
|
|
|
|
* @param bool $ucfirst 首字母是否大写(驼峰规则)
|
|
|
|
|
* @return string
|
|
|
|
|
*/
|
|
|
|
|
public function parseName($name, $type = 0, $ucfirst = true)
|
|
|
|
|
{
|
|
|
|
|
if ($type) {
|
|
|
|
|
$name = preg_replace_callback('/_([a-zA-Z])/', function ($match) {
|
|
|
|
|
return strtoupper($match[1]);
|
|
|
|
|
}, $name);
|
|
|
|
|
return $ucfirst ? ucfirst($name) : lcfirst($name);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return strtolower(trim(preg_replace("/[A-Z]/", "_\\0", $name), "_"));
|
|
|
|
|
}
|
|
|
|
|
}
|