Файл: gapps/vendor/cartalyst/sentinel/src/Permissions/PermissionsTrait.php
Строк: 182
<?php
/**
* Part of the Sentinel package.
*
* NOTICE OF LICENSE
*
* Licensed under the 3-clause BSD License.
*
* This source file is subject to the 3-clause BSD License that is
* bundled with this package in the LICENSE file.
*
* @package Sentinel
* @version 2.0.15
* @author Cartalyst LLC
* @license BSD License (3-clause)
* @copyright (c) 2011-2017, Cartalyst LLC
* @link http://cartalyst.com
*/
namespace CartalystSentinelPermissions;
trait PermissionsTrait
{
/**
* The permissions.
*
* @var array
*/
protected $permissions = [];
/**
* The secondary permissions.
*
* @var array
*/
protected $secondaryPermissions = [];
/**
* An array of cached, prepared permissions.
*
* @var array
*/
protected $preparedPermissions;
/**
* Create a new permissions instance.
*
* @param array $permissions
* @param array $secondaryPermissions
* @return void
*/
public function __construct(array $permissions = null, array $secondaryPermissions = null)
{
if (isset($permissions)) {
$this->permissions = $permissions;
}
if (isset($secondaryPermissions)) {
$this->secondaryPermissions = $secondaryPermissions;
}
}
/**
* {@inheritDoc}
*/
public function hasAccess($permissions)
{
if (is_string($permissions)) {
$permissions = func_get_args();
}
$prepared = $this->getPreparedPermissions();
foreach ($permissions as $permission) {
if (! $this->checkPermission($prepared, $permission)) {
return false;
}
}
return true;
}
/**
* {@inheritDoc}
*/
public function hasAnyAccess($permissions)
{
if (is_string($permissions)) {
$permissions = func_get_args();
}
$prepared = $this->getPreparedPermissions();
foreach ($permissions as $permission) {
if ($this->checkPermission($prepared, $permission)) {
return true;
}
}
return false;
}
/**
* Returns the secondary permissions.
*
* @return array
*/
public function getSecondaryPermissions()
{
return $this->secondaryPermissions;
}
/**
* Sets secondary permissions.
*
* @param array $secondaryPermissions
* @return void
*/
public function setSecondaryPermissions(array $secondaryPermissions)
{
$this->secondaryPermissions = $secondaryPermissions;
$this->preparedPermissions = null;
}
/**
* Lazily grab the prepared permissions.
*
* @return array
*/
protected function getPreparedPermissions()
{
if ($this->preparedPermissions === null) {
$this->preparedPermissions = $this->createPreparedPermissions();
}
return $this->preparedPermissions;
}
/**
* Does the heavy lifting of preparing permissions.
*
* @param array $prepared
* @param array $permissions
* @return void
*/
protected function preparePermissions(array &$prepared, array $permissions)
{
foreach ($permissions as $keys => $value) {
foreach ($this->extractClassPermissions($keys) as $key) {
// If the value is not in the array, we're opting in
if (! array_key_exists($key, $prepared)) {
$prepared[$key] = $value;
continue;
}
// If our value is in the array and equals false, it will override
if ($value === false) {
$prepared[$key] = $value;
}
}
}
}
/**
* Takes the given permission key and inspects it for a class & method. If
* it exists, methods may be comma-separated, e.g. Class@method1,method2.
*
* @param string $key
* @return array
*/
protected function extractClassPermissions($key)
{
if (! str_contains($key, '@')) {
return (array) $key;
}
$keys = [];
list($class, $methods) = explode('@', $key);
foreach (explode(',', $methods) as $method) {
$keys[] = "{$class}@{$method}";
}
return $keys;
}
/**
* Checks a permission in the prepared array, including wildcard checks and permissions.
*
* @param array $prepared
* @param string $permission
* @return bool
*/
protected function checkPermission(array $prepared, $permission)
{
if (array_key_exists($permission, $prepared) && $prepared[$permission] === true) {
return true;
}
foreach ($prepared as $key => $value) {
if ((str_is($permission, $key) || str_is($key, $permission)) && $value === true) {
return true;
}
}
return false;
}
/**
* Returns the prepared permissions.
*
* @return void
*/
abstract protected function createPreparedPermissions();
}