87 lines
3.2 KiB
PHP
87 lines
3.2 KiB
PHP
<?php
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declare (strict_types = 1);
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namespace app\admin\middleware;
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use think\facade\Cache;
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use think\facade\Db;
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use think\facade\Session;
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class Auth
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{
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public function handle($request, \Closure $next)
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{
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//获取模块名称
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$controller = app('http')->getName();
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$pathInfo = str_replace('.' . $request->ext(), '', $request->pathInfo());
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$action = explode('/', $pathInfo)[0];
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// var_dump($pathInfo);
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//验证用户登录
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if ($action !== 'login') {
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$session_admin = get_config('app.session_admin');
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if (!Session::has($session_admin)) {
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return $request->isAjax() ? to_assign(404, '请先登录') : redirect((string) url('/admin/login/index'));
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}
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// 验证用户访问权限
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if ($action !== 'index' && $action !== 'api') {
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if (!$this->checkAuth($controller, $pathInfo, $action, Session::get($session_admin)['id'])) {
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return $request->isAjax() ? to_assign(202, '你没有权限！') : redirect((string) url('/admin/login/errorshow'));
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}
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}
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}
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return $next($request);
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}
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/**
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* 验证用户访问权限
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* @DateTime 2020-12-21
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* @param string $controller 当前访问控制器
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* @param string $action 当前访问方法
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* @param string $uid 当前用户id
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* @return [type]
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*/
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protected function checkAuth($controller, $pathInfo, $action, $uid)
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{
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Cache::delete('RulesSrc' . $uid);
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if ($uid == 8) {
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// id=1的管理员默认拥有所有权限
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return true;
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} else {
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if (!Cache::get('RulesSrc' . $uid)) {
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//用户所在权限组及所拥有的权限
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// 执行查询
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$user_groups = Db::name('admin_group_access')
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->alias('a')
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->join("admin_group w", "a.group_id=w.id", 'LEFT')
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->where("a.uid='{$uid}' and w.status='1'")
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->select()
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->toArray();
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$groups = $user_groups ?: [];
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$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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//读取用户组所有权限规则
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$rules = Db::name('admin_rule')->where('id', 'in', $ids)->field('src')->select();
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//循环规则，判断结果。
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$authList = []; //
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foreach ($rules as $rule) {
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//只要存在就记录
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$authList[] = strtolower($rule['src']);
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}
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//规则列表结果保存到Cache
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Cache::tag('adminRules')->set('RulesSrc' . $uid, $authList, 36000);
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} else {
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$authList = Cache::get('RulesSrc' . $uid);
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}
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if (!in_array((string) $controller . '/' . $pathInfo, $authList)) {
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return false;
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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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