Home >Backend Development >PHP Tutorial >TP5 Auth permission management example
TP5 Auth permission management example
- *文Original
- 2017-12-27 18:04:335273browse
权限管理是一个项目中必不可少的模块之一，常用的有RBAC、Auth等。本文就分享在TP5中通过Auth验证权限的实例，希望对大家有所帮助。
<?php
namespace think;
use think\Config;
use think\Session;
use think\Db;
/**
* 权限认证类
*/
//数据库
/*
-- ----------------------------
-- mt4_auth_rule，规则表，
-- 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
-- ----------------------------
DROP TABLE IF EXISTS `mt4_auth_rule`;
CREATE TABLE `mt4_auth_rule` (
`id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
`name` char(80) NOT NULL DEFAULT '',
`title` char(20) NOT NULL DEFAULT '',
`type` tinyint(1) NOT NULL DEFAULT '1',
`status` tinyint(1) NOT NULL DEFAULT '1',
`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
PRIMARY KEY (`id`),
UNIQUE KEY `name` (`name`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-- ----------------------------
-- mt4_auth_group 用户组表，
-- 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
-- ----------------------------
DROP TABLE IF EXISTS `mt4_auth_group`;
CREATE TABLE `mt4_auth_group` (
`id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
`title` char(100) NOT NULL DEFAULT '',
`status` tinyint(1) NOT NULL DEFAULT '1',
`rules` char(80) NOT NULL DEFAULT '',
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-- ----------------------------
-- mt4_auth_group_access 用户组明细表
-- uid:用户id，group_id：用户组id
-- ----------------------------
DROP TABLE IF EXISTS `mt4_auth_group_access`;
CREATE TABLE `mt4_auth_group_access` (
`uid` mediumint(8) unsigned NOT NULL,
`group_id` mediumint(8) unsigned NOT NULL,
UNIQUE KEY `uid_group_id` (`uid`,`group_id`),
KEY `uid` (`uid`),
KEY `group_id` (`group_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
*/
class Auth {
//默认配置
protected $config = array(
'auth_on' => true, // 认证开关
'auth_type' => 2, // 认证方式，1为实时认证；2为登录认证。
'auth_group' => 'auth_group', // 用户组数据表名
'auth_group_access' => 'auth_group_access', // 用户-用户组关系表
'auth_rule' => 'auth_rule', // 权限规则表
'auth_user' => 'auth_admin' // 用户信息表
);
public function __construct() {
if (Config::get('auth_config')) {
$this->config = array_merge($this->config, Config::get('auth_config')); //可设置配置项 auth_config, 此配置项为数组。
}
}
/**
* 检查权限
* @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
* @param uid int 认证用户的id
* @param string mode 执行check的模式
* @param relation string 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
* return boolean 通过验证返回true;失败返回false
*/
public function check($name, $uid, $type = 1, $mode = 'url', $relation = 'or') {
if (!$this->config['auth_on']) {
return true;
}
$authList = $this->getAuthList($uid, $type); //获取用户需要验证的所有有效规则列表
if (is_string($name)) {
$name = strtolower($name);
// if (strpos($name, ',') !== false) {
// $name = explode(',', $name);
// } else {
// $name = [$name];
// }
$name = strpos($name, ',') !== false ? explode(',', $name) : [$name];
}
$list = []; //保存验证通过的规则名
if ($mode == 'url') {
$REQUEST = unserialize(strtolower(serialize($_REQUEST)));
}
foreach ($authList as $auth) {
$query = preg_replace('/^.+\?/U', '', $auth);
if ($mode == 'url' && $query != $auth) {
parse_str($query, $param); //解析规则中的param
$intersect = array_intersect_assoc($REQUEST, $param);
$auth = preg_replace('/\?.*$/U', '', $auth);
if (in_array($auth, $name) && $intersect == $param) { //如果节点相符且url参数满足
$list[] = $auth;
}
} else if (in_array($auth, $name)) {
$list[] = $auth;
}
}
if ($relation == 'or' and ! empty($list)) {
return false;
}
$diff = array_diff($name, $list);
if ($relation == 'and' and empty($diff)) {
return false;
}
return true;
}
/**
* 根据用户id获取用户组,返回值为数组
* @param uid int 用户id
* return array 用户所属的用户组 [
* ['uid'=>'用户id','group_id'=>'用户组id','title'=>'用户组名称','rules'=>'用户组拥有的规则id,多个,号隔开'),
* ...)
*/
public function getGroups($uid) {
static $groups = [];
if (isset($groups[$uid])) {
return $groups[$uid];
}
$user_groups = Db::view($this->config['auth_group_access'], 'uid,group_id')->view($this->config['auth_group'], 'title,rules', "{$this->config['auth_group_access']}.group_id={$this->config['auth_group']}.id")
->where(['uid' => $uid, 'status' => 1])->select();
$groups[$uid] = $user_groups ? $user_groups : [];
return $groups[$uid];
}
/**
* 获得权限列表
* @param integer $uid 用户id
* @param integer $type
*/
protected function getAuthList($uid, $type) {
static $_authList = []; //保存用户验证通过的权限列表
$t = implode(',', (array) $type);
if (isset($_authList[$uid . $t])) {
return $_authList[$uid . $t];
}
if ($this->config['auth_type'] == 2 && Session::has('_auth_list_' . $uid . $t)) {
return Session::get('_auth_list_' . $uid . $t);
}
//读取用户所属用户组
$groups = $this->getGroups($uid);
$ids = []; //保存用户所属用户组设置的所有权限规则id
foreach ($groups as $g) {
$ids = array_merge($ids, explode(',', trim($g['rules'], ',')));
}
$ids = array_unique($ids);
if (empty($ids)) {
$_authList[$uid . $t] = [];
return [];
}
$map = [
'id' => ['notin', $ids],
'type' => $type,
'status' => 1,
];
//读取用户组所有权限规则
$rules = Db::name($this->config['auth_rule'])->where($map)->field('condition,name')->select();
//循环规则，判断结果。
$authList = []; //
foreach ($rules as $rule) {
if (!empty($rule['condition'])) { //根据condition进行验证
$this->getUserInfo($uid); //获取用户信息,一维数组
$command = preg_replace('/\{(\w*?)\}/', '$user[\'\\1\']', $rule['condition']);
@(eval('$condition=(' . $command . ');'));
$condition && $authList[] = strtolower($rule['name']);
} else {
$authList[] = strtolower($rule['name']); //只要存在就记录
}
}
$_authList[$uid . $t] = $authList;
if ($this->config['auth_type'] == 2) {
$_SESSION['_auth_list_' . $uid . $t] = $authList; //规则列表结果保存到session
}
return array_unique($authList);
}
/**
* 获得用户资料,根据自己的情况读取数据库
*/
protected function getUserInfo($uid) {
static $userinfo = [];
if (!isset($userinfo[$uid])) {
$userinfo[$uid] = Db::name($this->config['auth_user'])->where(['uid' => $uid])->find();
}
return $userinfo[$uid];
}
}相关推荐：
ThinkPHP(RBAC)权限管理视频以及资料（源码、课件）分享
The above is the detailed content of TP5 Auth permission management example. For more information, please follow other related articles on the PHP Chinese website!
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：Detailed example of Angular implementing simple query weather forecast functionNext article：Detailed example of Angular implementing simple query weather forecast function