82 lines
2.3 KiB
PHP
82 lines
2.3 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC;
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use OCP\AppFramework\QueryException;
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use OCP\Capabilities\ICapability;
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use OCP\Capabilities\IPublicCapability;
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use OCP\ILogger;
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class CapabilitiesManager {
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/** @var \Closure[] */
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private $capabilities = array();
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/** @var ILogger */
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private $logger;
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public function __construct(ILogger $logger) {
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$this->logger = $logger;
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}
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/**
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* Get an array of al the capabilities that are registered at this manager
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*
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* @param bool $public get public capabilities only
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* @throws \InvalidArgumentException
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* @return array
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*/
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public function getCapabilities($public = false) {
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$capabilities = [];
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foreach($this->capabilities as $capability) {
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try {
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$c = $capability();
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} catch (QueryException $e) {
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$this->logger->error('CapabilitiesManager: {message}', ['app' => 'core', 'message' => $e->getMessage()]);
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continue;
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}
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if ($c instanceof ICapability) {
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if(!$public || $c instanceof IPublicCapability) {
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$capabilities = array_replace_recursive($capabilities, $c->getCapabilities());
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}
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} else {
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throw new \InvalidArgumentException('The given Capability (' . get_class($c) . ') does not implement the ICapability interface');
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}
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}
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return $capabilities;
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}
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/**
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* In order to improve lazy loading a closure can be registered which will be called in case
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* capabilities are actually requested
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*
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* $callable has to return an instance of OCP\Capabilities\ICapability
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*
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* @param \Closure $callable
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*/
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public function registerCapability(\Closure $callable) {
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array_push($this->capabilities, $callable);
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}
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}
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