TP5 Auth permission management example

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Release: 2023-03-18 17:00:01
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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。

 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]; } }
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