vaeThink2/app/admin/middleware/Auth.php

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<?php
declare (strict_types = 1);
namespace app\admin\middleware;
use think\facade\Db;
use think\facade\Cache;
use think\facade\Session;
use think\Ruquest;
class Auth
{
public function handle($request, \Closure $next)
{
$pathInfo = explode('/',str_replace('.'.$request->ext(),'',$request->pathInfo()));
if(count($pathInfo) !== 2)
{
// 由于中间件里不能正常使用$request->controller()获取用户访问的控制器及方法因此只能通过pathInfo来获取url并进行截取但这就要求用户访问时必须输入完整的url不然就抛出异常
return abort(202, '非法请求,请输入完整的url');
}
$controller = strtolower($pathInfo[0]);
$action = strtolower($pathInfo[1]);
//验证用户登录
if($controller !== 'publicer')
{
if(!Session::has('adminToken'))
{
return $request->isAjax()?vae_assign(404,'请先登录'):redirect((string)url('/admin/publicer/adminLoginPage'));
}
// 验证用户访问权限
if($controller !== 'index')
{
if(!$this->checkAuth($controller,$action,Session::get('adminToken')['id']))
{
return $request->isAjax()?vae_assign(202,'你没有权限!'):redirect((string)url('/admin/index/errorShow'));
}
}
}
return $next($request);
}
/**
* 验证用户访问权限
* @Author 听雨
* @DateTime 2019-11-21
* @param string $controller 当前访问控制器
* @param string $action 当前访问方法
* @param string $uid 当前用户id
* @return [type]
*/
protected function checkAuth($controller,$action,$uid)
{
// Cache::delete('uRulesSrc'.$uid);
if($uid == 1)
{
// id=1的管理员默认拥有所有权限
return true;
}
else
{
if(!Cache::get('uRulesSrc'.$uid))
{
//用户所在权限组及所拥有的权限
$uGroupIds = explode(',',Db::name('admin')->where('id',$uid)->value('groups'));
$uRuleIds = Db::name('admin_group')->where('id','IN',$uGroupIds)->where('status',1)->column('rules','id');
$uRules = [];
foreach ($uRuleIds as $k => $v) {
$uRules = array_keys(array_flip($uRules)+array_flip(explode(',',$v)));
}
//用户所拥有的所有权限节点
$uRulesSrc = Db::name('admin_rule')->where('id','in',$uRules)->column('src','id');
Cache::tag('adminRulesSrc')->set('uRulesSrc'.$uid,$uRulesSrc,36000);
}
else
{
$uRulesSrc = Cache::get('uRulesSrc'.$uid);
}
if(!in_array((string)$controller.'/'.$action, $uRulesSrc))
{
return false;
}
return true;
}
}
}