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acrobat professional 9.0 php中实现简单的ACL 完结篇

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Jul 29, 2016 am 08:46 AM

复制代码代码如下:

-- ACL Tables
-- 表的结构 `aclresources`
DROP TABLE IF EXISTS `aclresources`;
CREATE TABLE IF NOT EXISTS `aclresources` (
`rsid` varchar(64) NOT NULL ,
`access` int(4) NOT NULL default 0,
`desc` varchar(240) NOT NULL default '',
`created_at` int(10) unsigned NOT NULL default 1,
`updated_at` int(10) unsigned NOT NULL default 0,
PRIMARY KEY (`rsid`)
)DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
-- 表的结构 `aclroles`
DROP TABLE IF EXISTS `aclroles`;
CREATE TABLE IF NOT EXISTS `aclroles` (
`id` int(10) unsigned NOT NULL auto_increment,
`rolename` varchar(32) NOT NULL ,
`desc` varchar(240) NOT NULL default '',
`created_at` int(10) unsigned NOT NULL default 1,
`updated_at` int(10) unsigned NOT NULL default 0,
PRIMARY KEY (`id`),
UNIQUE KEY `rolename` (`rolename`)
)DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
-- 表的结构 `ref_aclresources_aclroles`
DROP TABLE IF EXISTS `ref_aclresources_aclroles`;
CREATE TABLE IF NOT EXISTS `ref_aclresources_aclroles` (
`rsid` varchar(64) NOT NULL ,
`role_id` int(10) unsigned NOT NULL ,
PRIMARY KEY (`rsid`,`role_id`)
)DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
-- 表的结构 `ref_users_aclroles`
DROP TABLE IF EXISTS `ref_users_aclroles`;
CREATE TABLE IF NOT EXISTS `ref_users_aclroles` (
`user_id` int(10) unsigned NOT NULL auto_increment,
`role_id` int(10) unsigned NOT NULL ,
PRIMARY KEY (`user_id`,`role_id`)
)DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
-- 表的结构 `users`
DROP TABLE IF EXISTS `users`;
CREATE TABLE `users` (
`id` int(10) unsigned NOT NULL auto_increment,
`email` varchar(128) NOT NULL,
`password` varchar(64) NOT NULL,
`nickname` varchar(32) NOT NULL default '',
`roles` varchar(240) NOT NULL default '',
`created_at` int(10) unsigned NOT NULL default 1,
`updated_at` int(10) unsigned NOT NULL default 0,
PRIMARY KEY (`id`),
UNIQUE KEY `user_email` (`email`)
)DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

php 类

复制代码代码如下:

/**
* 简单的 ACL 权限控制功能
*
* 表定义
*
* 1. 资源定义 (rsid,access,desc,created_at,updated_at)
* 2. 角色定义 (id,rolename,desc,created_at,updated_at)
* 3. 资源-角色关联 (rsid,role_id)
* 4. 用户-角色关联 (user_id,role_id)
*
* 依赖db.php sqlobject.php
*
* @author vb2005xu.iteye.com
*/
class AclBase {
// --- ACL 访问授权
/**
* 不允许任何人访问
*/
const NOBODY = 0;
/**
* 允许任何人访问
*/
const EVERYONE = 1;
/**
* 允许拥有角色的用户访问
*/
const HAS_ROLE = 2;
/**
* 允许不带有角色的用户访问
*/
const NO_ROLE = 3;
/**
* 在资源-角色关联定义的角色才能访问
*/
const ALLOCATE_ROLES = 4;
// 定义相关的表名
public $tbResources = 'aclresources';
public $tbRoles = 'aclroles';
public $tbRefResourcesRoles = 'ref_aclresources_aclroles';
public $tbRefUsersRoles = 'ref_users_aclroles';
/**
* 格式化资源的访问权限并返回
*
* @return int
*/
static function formatAccessValue($access){
static $arr = array(self::NOBODY,self::EVERYONE,self::HAS_ROLE,self::NO_ROLE,self::ALLOCATE_ROLES);
return in_array($access,$arr) ? $access : self::NOBODY;
}
/**
* 创建资源,返回资源记录主键
*
* @param string $rsid
* @param int $access
* @param string $desc
*
* @return int
*/
function createResource($rsid,$access,$desc){
if (empty($rsid)) return false;
$resource = array(
'rsid' => $rsid,
'access' => self::formatAccessValue($access),
'desc' => $desc,
'created_at' => CURRENT_TIMESTAMP
);
return SingleTableCRUD::insert($this->tbResources,$resource);
}
/**
* 修改资源,返回成功状态
*
* @param array $resource
* @return int
*/
function updateResource(array $resource){
if (!isset($resource['rsid'])) return false;
$resource['updated_at'] = CURRENT_TIMESTAMP;
return SingleTableCRUD::update($this->tbResources,$resource,'rsid');
}
/**
* 删除资源
*
* @param string $rsid
* @return int
*/
function deleteResource($rsid){
if (empty($rsid)) return false;
return SingleTableCRUD::delete($this->tbResources,array('rsid'=>$rsid));
}
/**
* 创建角色,返回角色记录主键
*
* @param string $rolename
* @param string $desc
*
* @return int
*/
function createRole($rolename,$desc){
if (empty($rolename)) return false;
$role = array(
'rolename' => $rolename,
'desc' => $desc,
'created_at' => CURRENT_TIMESTAMP
);
return SingleTableCRUD::insert($this->tbRoles,$role);
}
/**
* 修改角色,返回成功状态
*
* @param array $role
* @return int
*/
function updateRole(array $role){
if (!isset($role['id'])) return false;
if (isset($role['rolename'])) unset($role['rolename']);
$role['updated_at'] = CURRENT_TIMESTAMP;
return SingleTableCRUD::update($this->tbRoles,$role,'id');
}
/**
* 删除角色
*
* @param int $role_id
* @return int
*/
function deleteRole($role_id){
if (empty($role_id)) return false;
return SingleTableCRUD::delete($this->tbRoles,array('role_id'=>(int) $role_id));
}
/**
* 为资源指定角色,每次均先全部移除表中相关记录再插入
*
* @param int $rsid
* @param mixed $roleIds
* @param boolean $setNull 当角色id不存在时,是否将资源从关联表中清空
*/
function allocateRolesForResource($rsid,$roleIds,$setNull=false,$defaultAccess=-1){
if (empty($rsid)) return false;
$roleIds = normalize($roleIds,',');
if (empty($roleIds)){
if ($setNull){
SingleTableCRUD::delete($this->tbRefResourcesRoles,array('rsid'=>$rsid));
if ($defaultAccess != -1){
$defaultAccess = self::formatAccessValue($defaultAccess);
$this->updateResource(array('rsid'=>$rsid,'access'=>$defaultAccess));
}
return true;
}
return false;
}
SingleTableCRUD::delete($this->tbRefResourcesRoles,array('rsid'=>$rsid));
$roleIds = array_unique($roleIds);
foreach ($roleIds as $role_id){
SingleTableCRUD::insert($this->tbRefResourcesRoles,array('rsid'=>$rsid,'role_id'=>(int)$role_id));
}
return true;
}
function cleanRolesForResource($rsid){
if (empty($rsid)) return false;
return SingleTableCRUD::delete($this->tbRefResourcesRoles,array('rsid'=>$rsid));
}
function cleanResourcesForRole($role_id){
if (empty($role_id)) return false;
return SingleTableCRUD::delete($this->tbRefResourcesRoles,array('role_id'=>(int) $role_id));
}
/**
* 为角色分配资源,每次均先全部移除表中相关记录再插入
*
* @param int $role_id
* @param mixed $rsids
*
* @return boolean
*/
function allocateResourcesForRole($role_id,$rsids){
if (empty($role_id)) return false;
$role_id = (int) $role_id;
$rsids = normalize($rsids,',');
if (empty($rsids)){
return false;
}
SingleTableCRUD::delete($this->tbRefResourcesRoles,array('role_id'=>$role_id));
$rsids = array_unique($rsids);
foreach ($rsids as $rsid){
SingleTableCRUD::insert($this->tbRefResourcesRoles,array('rsid'=>$rsid,'role_id'=>$role_id));
}
return true;
}
/**
* 为用户指派角色,每次均先全部移除表中相关记录再插入
*
* 此处在用户很多的时候可能会有性能问题 ... 后面再想怎么优化
*
* @param int $user_id
* @param mixed $roleIds
*
* @return boolean
*/
function allocateRolesForUser($user_id,$roleIds){
if (empty($user_id)) return false;
$user_id = (int) $user_id;
$roleIds = normalize($roleIds,',');
if (empty($roleIds)){
return false;
}
SingleTableCRUD::delete($this->tbRefUsersRoles,array('user_id'=>$user_id));
$roleIds = array_unique($roleIds);
foreach ($roleIds as $roleId){
SingleTableCRUD::insert($this->tbRefUsersRoles,array('user_id'=>$user_id,'role_id'=>$role_id));
}
return true;
}
/**
* 清除用户的角色信息
*
* @param int $user_id
*
* @return boolean
*/
function cleanRolesForUser($user_id){
if (empty($user_id)) return false;
return SingleTableCRUD::delete($this->tbRefUsersRoles,array('user_id'=>(int) $user_id));
}
/**
* 清除角色的用户关联
*
* @param int $role_id
*
* @return boolean
*/
function cleanUsersForRole($role_id){
if (empty($role_id)) return false;
return SingleTableCRUD::delete($this->tbRefUsersRoles,array('role_id'=>(int) $role_id));
}
}

具体检测的代码如下:

复制代码代码如下:

/**
* 对资源进行acl校验
*
* @param string $rsid 资源标识
* @param array $user 特定用户,不指定则校验当前用户
*
* @return boolean
*/
function aclVerity($rsid ,array $user = null){
if (empty($rsid)) return false;
if (!CoreApp::$defaultAcl) {
CoreApp::$defaultAcl = new AclFlat();
}
$rsRow = aclGetResource($rsid);
// 未定义资源的缺省访问策略
if (!$rsRow) return false;
CoreApp::writeLog($rsRow,'test');
/*
* 校验步骤如下:
*
* 1. 先校验资源本身 access 属性
* EVERYONE => true,NOBODY => false * 其它的属性在下面继续校验
* 2. 从 session(或者用户session表)中获取角色id集合
* 3. 如果用户拥有角色则 HAS_ROLE => true , NO_ROLE => false;反之亦然
* 4. 如果资源 access == ALLOCATE_ROLES
* 1. 从缓存(或者 $tbRefResourcesRoles)中获取资源对应的角色id集合
* 2. 将用户拥有的角色id集合与资源对应的角色id集合求交集
* 3. 存在交集 => true;否则 => false
*/
$rsRow['access'] = AclBase::formatAccessValue($rsRow['access']);
// 允许任何人访问
if (AclBase::EVERYONE == $rsRow['access']) return true;
// 不允许任何人访问
if (AclBase::NOBODY == $rsRow['access']) return false;
// 获取用户信息
if (empty($user)) $user = isset($_SESSION['SI-SysUser']) ? $_SESSION['SI-SysUser'] : null;
// 用户未登录,则当成无访问权限
if (empty($user)) return false;
$user['roles'] = empty($user['roles']) ? null : normalize($user['roles'],';');
$userHasRoles = !empty($user['roles']);
/**
* 允许不带有角色的用户访问
*/
if (AclBase::NO_ROLE == $rsRow['access']) return $userHasRoles ? false : true;
/**
* 允许带有角色的用户访问
*/
if (AclBase::HAS_ROLE == $rsRow['access']) return $userHasRoles ? true : false;
// --- 对用户进行资源角色校验
if ($userHasRoles){
foreach ($user['roles'] as $role_id){
if ( aclGetRefResourcesRoles($rsid,$role_id) )
return true;
}
dump($user);
}
return false;
}
/**
* 重新生成角色资源访问控制表
*
* @param string $actTable ACL表名称
* @param boolean $return 是否返回重新生成的列表
*
* @return mixed
*/
function aclRebuildACT($actTable ,$return = false){
if (empty($actTable)) return false;
global $globalConf;
$rst = null;
$cacheId = null;
switch($actTable){
case CoreApp::$defaultAcl->tbResources:
$cacheId = 'acl-resources';
$rst = SingleTableCRUD::findAll(CoreApp::$defaultAcl->tbResources);
// 转成哈希表结构
if ($rst){
$rst = array_to_hashmap($rst,'rsid');
}
break;
case CoreApp::$defaultAcl->tbRoles:
$cacheId = 'acl-roles';
$rst = SingleTableCRUD::findAll(CoreApp::$defaultAcl->tbRoles);
// 转成哈希表结构
if ($rst){
$rst = array_to_hashmap($rst,'id');
}
break;
case CoreApp::$defaultAcl->tbRefResourcesRoles:
$cacheId = 'acl-roles_has_resources';
$rst = SingleTableCRUD::findAll(CoreApp::$defaultAcl->tbRefResourcesRoles);
if ($rst){
$_ = array();
foreach ($rst as $row) {
$ref_id = "{$row['rsid']}{$row['role_id']}";
$_[$ref_id] = $row;
}
unset($rst);
$rst = $_;
}
break;
}
if ($cacheId)
writeCache($globalConf['runtime']['cacheDir'] ,$cacheId ,$rst ,true);
if ($return) return $rst;
}
/**
* 获取角色资源访问控制表数据
*
* @param string $actTable ACL表名称
*
* @return mixed
*/
function aclGetACT($actTable){
if (empty($actTable)) return false;
static $rst = array();
$cacheId = null;
switch($actTable){
case CoreApp::$defaultAcl->tbResources:
$cacheId = 'acl-resources';
break;
case CoreApp::$defaultAcl->tbRoles:
$cacheId = 'acl-roles';
break;
case CoreApp::$defaultAcl->tbRefResourcesRoles:
$cacheId = 'acl-roles_has_resources';
break;
}
if (!$cacheId) return null;
if (isset($rst[$cacheId])) return $rst[$cacheId];
global $globalConf;
// 900
$rst[$cacheId] = getCache($globalConf['runtime']['cacheDir'],$cacheId,0);
if ( !$rst[$cacheId] ){
$rst[$cacheId] = aclRebuildACT($actTable,true);
}
return $rst[$cacheId];
}
/**
* 获取资源记录
*
* @param string $rsid
*
* @return array
*/
function aclGetResource($rsid){
static $rst = null;
if (!$rst){
$rst = aclGetACT(CoreApp::$defaultAcl->tbResources);
if (!$rst) $rst = array();
}
return isset($rst[$rsid]) ? $rst[$rsid] : null;
}
/**
* 获取角色记录
*
* @param int $role_id
*
* @return array
*/
function aclGetRole($role_id){
static $rst = null;
if (!$rst){
$rst = aclGetACT(CoreApp::$defaultAcl->tbRoles);
if (!$rst) $rst = array();
}
return isset($rst[$role_id]) ? $rst[$role_id] : null;
}
/**
* 获取用户角色关联记录,此方法可以校验资源是否可被此角色调用
*
* @param string $rsid
* @param int $role_id
*
* @return array
*/
function aclGetRefResourcesRoles($rsid,$role_id){
static $rst = null;
if (!$rst){
$rst = aclGetACT(CoreApp::$defaultAcl->tbRefResourcesRoles);
if (!$rst) $rst = array();
}
$ref_id = "{$rsid}{$role_id}";
CoreApp::writeLog(isset($rst[$ref_id])?$rst[$ref_id]:'nodata',$ref_id);
return isset($rst[$ref_id]) ? $rst[$ref_id] : null;
}