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<?php |
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declare(strict_types=1); |
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/** |
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* Saito - The Threaded Web Forum |
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* |
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* @copyright Copyright (c) the Saito Project Developers |
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* @link https://github.com/Schlaefer/Saito |
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* @license http://opensource.org/licenses/MIT |
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*/ |
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namespace Saito\User\Permission; |
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use App\Model\Table\CategoriesTable; |
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use Cake\Cache\Cache; |
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use Saito\RememberTrait; |
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use Saito\User\Permission\Resource; |
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use Saito\User\Permission\ResourceAC; |
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use Saito\User\Permission\Resources; |
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use Saito\User\Permission\Roles; |
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use Stopwatch\Lib\Stopwatch; |
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/** |
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* Class Permission |
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* |
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* Implements simple access control scheme. |
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* |
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* @package Saito\User |
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*/ |
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class Permissions |
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{ |
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use RememberTrait; |
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/** @var Roles */ |
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protected $roles; |
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/** @var Resources */ |
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protected $resources; |
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/** @var CategoriesTable */ |
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protected $categories; |
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/** |
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* Constructor |
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* |
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* @param Roles $roles The roles |
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* @param Resources $resources The resources collection |
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* @param CategoriesTable $categories Categories for accession permissions |
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*/ |
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public function __construct(Roles $roles, Resources $resources, CategoriesTable $categories) |
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{ |
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Stopwatch::start('Permission::__construct()'); |
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$this->roles = $roles; |
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$this->resources = $resources; |
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$this->categories = $categories; |
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$categories = Cache::remember( |
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'saito.core.permission.categories', |
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function () { |
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return $this->bootstrapCategories(); |
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} |
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); |
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foreach ($categories as $category) { |
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$this->resources->add( |
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(new Resource($category['resource'])) |
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->allow((new ResourceAC()) |
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->asRole($category['role'])) |
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); |
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} |
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Stopwatch::stop('Permission::__construct()'); |
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} |
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/** |
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* Check if access to resource is allowed. |
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* |
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* @param string $resource Resource to check |
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* @param ResourceAI $identifier Identifier to provide |
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* @return bool |
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*/ |
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public function check(string $resource, ResourceAI $identifier): bool |
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{ |
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$resource = $this->resources->get($resource); |
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return $resource === null ? false : $resource->check($identifier); |
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} |
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/** |
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* Gets the roles object |
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* |
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* @return Roles |
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*/ |
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public function getRoles(): Roles |
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{ |
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return $this->roles; |
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} |
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/** |
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* convert category-accessions and insert them as resources |
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* |
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* Resource: `saito.core.category.<category-ID>.<action>` |
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* |
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* @return array [['resource' => <Resource>, 'role' => <role-type>]] |
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*/ |
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protected function bootstrapCategories(): array |
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{ |
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$resources = []; |
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$categories = $this->categories->getAllCategories(); |
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$roles = $this->roles->getAvailable(true); |
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$accessions = array_combine(array_column($roles, 'id'), array_column($roles, 'type')); |
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$actions = [ |
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'read' => 'accession', |
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'thread' => 'accession_new_thread', |
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'answer' => 'accession_new_posting' |
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]; |
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foreach ($categories as $category) { |
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foreach ($actions as $action => $field) { |
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if (empty($accessions[$category->get($field)])) { |
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continue; |
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} |
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$role = $accessions[$category->get($field)]; |
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$categoryId = $category->get('id'); |
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$resource = "saito.core.category.{$categoryId}.{$action}"; |
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$resources[] = ['resource' => $resource, 'role' => $role]; |
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} |
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} |
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return $resources; |
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} |
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} |
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Schlaefer /
Saito
