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<?php |
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|
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namespace WP_Defender; |
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|
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use Calotes\Component\Request; |
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use Calotes\Component\Response; |
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use Calotes\Helper\HTTP; |
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use WP_Defender\Traits\IO; |
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use WP_Defender\Traits\Permission; |
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|
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/** |
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* This class will act as a central manager, every request must go through this. |
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* Also, it should manage the data state of every model too. |
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* |
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* Class Central |
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* @package WP_Defender |
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*/ |
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class Central extends Component { |
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use IO, Permission; |
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|
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public const ACTION = 'wp_defender/v1/hub/'; |
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/** |
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* This will hold the db data of each module, all data must be getting through this. |
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* @var array |
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*/ |
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protected $states = []; |
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|
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/** |
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* This should be constructed only once. |
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*/ |
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public function __construct() { |
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add_action( 'wp_ajax_' . self::ACTION, [ &$this, 'routing' ] ); |
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add_action( 'wp_ajax_nopriv_' . self::ACTION, [ &$this, 'routing' ] ); |
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} |
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|
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/** |
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* This is a global ajax call, receive all the requests and dispatch to the right controller. |
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*/ |
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public function routing() { |
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// This is the intention, we will use it to find the data stored in DI. |
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$route = HTTP::get( 'route', false ); |
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$nonce = HTTP::get( '_def_nonce', false ); |
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if ( empty( $route ) || empty( $nonce ) ) { |
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exit; |
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} |
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|
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$this->check_opcache(); |
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|
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$route = wp_unslash( $route ); |
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|
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if ( |
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is_admin() && |
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! is_user_logged_in() && |
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$this->is_private_access( $route ) |
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) { |
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wp_send_json_error( |
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array( |
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'message' => __( 'Your session expired. Please login to continue.', 'wpdef' ), |
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'type_notice' => 'session_out', |
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) |
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); |
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} |
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|
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// Nonce is not valid. |
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if ( ! wp_verify_nonce( $nonce, $route ) ) { |
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wp_send_json_error( |
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array( |
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'message' => __( 'Invalid API request.', 'wpdef' ), |
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) |
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); |
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} |
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|
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$key = sprintf( 'controller.%s', $route ); |
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|
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try { |
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$package = wd_di()->get( $key ); |
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[$class, $method, $is_private] = $package; |
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if ( $is_private && ! $this->check_permission() ) { |
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wp_send_json_error( [ |
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'message' => __( 'You shall not pass.', 'wpdef' ) |
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] ); |
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} |
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if ( $is_private ) { |
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if ( ! wp_next_scheduled( 'defender_hub_sync' ) ) { |
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// Sync with HUB on every request it made, but not on public call. |
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wp_schedule_single_event( time(), 'defender_hub_sync' ); |
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} |
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} |
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$this->execute_intention( $class, $method ); |
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} catch ( \Exception $e ) { |
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$this->log( $e->getMessage(), 'internal.log' ); |
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} |
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} |
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|
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/** |
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* Execute the method, return should be various base on the method. |
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* |
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* @param string $class |
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* @param string $method |
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* |
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* @return Response |
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*/ |
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private function execute_intention( $class, $method ) { |
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$object = wd_di()->get( $class ); |
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if ( is_object( $object ) ) { |
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$request = new Request(); |
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// Because the method is getting params from $_REQUEST directly, we don't need to pass any args, just call. |
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// No use reflection method for performance, also this just a simple call. |
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// Manipulate the POST as raw data. |
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$_POST = $request->get_data(); |
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|
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return $object->$method( $request ); |
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} else { |
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$this->log( sprintf( 'class not found when executing: %s %s', $class, $method ), 'internal.log' ); |
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} |
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} |
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|
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/** |
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* @param string $method The function to call. |
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* @param string $class Class name. |
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* @param bool $is_private Should this expose for non-auth user. |
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* |
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* @return void |
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*/ |
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public function add_route( $method, $class, $is_private = true ) { |
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// This will be passed into frontend for the query later. |
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$user_id = get_current_user_id(); |
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$intention = hash( 'md5', sprintf( '%s.%s.%d', $class, $method, $user_id ) ); |
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if ( defined( 'DEFENDER_DEBUG' ) && constant( 'DEFENDER_DEBUG' ) === true ) { |
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$intention = sprintf( '%s.%s.%d', $class, $method, $user_id ); |
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} |
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wd_di()->set( sprintf( 'controller.%s', $intention ), [ $class, $method, $is_private ] ); |
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wd_di()->set( sprintf( 'route.%s', $intention ), $intention ); |
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wd_di()->set( sprintf( 'nonce.%s', $intention ), wp_create_nonce( $intention ) ); |
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} |
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|
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/** |
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* @param string $method |
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* @param string $class |
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* |
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* @return mixed |
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*/ |
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public function get_route( $method, $class ) { |
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$user_id = get_current_user_id(); |
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$intention = hash( 'md5', sprintf( '%s.%s.%d', $class, $method, $user_id ) ); |
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if ( defined( 'DEFENDER_DEBUG' ) && constant( 'DEFENDER_DEBUG' ) === true ) { |
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$intention = sprintf( '%s.%s.%d', $class, $method, $user_id ); |
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} |
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try { |
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return wd_di()->get( sprintf( 'route.%s', $intention ) ); |
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} catch ( \Exception $e ) { |
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$this->log( $e->getMessage(), 'internal.log' ); |
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} |
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} |
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|
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/** |
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* @param string $method |
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* @param string $class |
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* |
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* @return mixed |
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*/ |
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public function get_nonce( $method, $class ) { |
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$intention = hash( 'md5', sprintf( '%s.%s.%d', $class, $method, get_current_user_id() ) ); |
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if ( defined( 'DEFENDER_DEBUG' ) && constant( 'DEFENDER_DEBUG' ) === true ) { |
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$intention = sprintf( '%s.%s.%d', $class, $method, get_current_user_id() ); |
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} |
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try { |
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return wd_di()->get( sprintf( 'nonce.%s', $intention ) ); |
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} catch ( \Exception $e ) { |
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$this->log( $e->getMessage(), 'internal.log' ); |
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} |
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} |
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|
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/** |
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* Check OPcache is enabled or not. |
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*/ |
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private function check_opcache() { |
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if ( $this->is_opcache_save_comments_disabled() ) { |
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wp_send_json_error( |
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array( |
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'message' => sprintf( __( '%s is disabled. Please contact your hosting provider to enable it.', 'wpdef' ), '<strong>OPcache Save Comments</strong>' ), |
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) |
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); |
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} |
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} |
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|
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/** |
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* Check OPcache is enabled or not. |
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* |
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* @return bool |
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*/ |
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public function is_opcache_save_comments_disabled() { |
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// If OPcache is disabled. |
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if ( ini_get( 'opcache.enable' ) !== '1' ) { |
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return false; |
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} |
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|
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// If OPcache is enabled and save comments disabled. |
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if ( ini_get( 'opcache.save_comments' ) !== '1' ) { |
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return true; |
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} |
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|
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// Any other case. |
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return false; |
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} |
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|
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/** |
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* Verify is ajax call is private. |
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* Here private stands for only authenticated user can do ajax call. |
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* |
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* @param string $route Route md5 hash. |
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* |
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* @return bool Return true if the request is private else false. |
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*/ |
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private function is_private_access( $route ) { |
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$key = sprintf( 'controller.%s', $route ); |
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|
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try { |
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$package = wd_di()->get( $key ); |
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return isset( $package[2] ) && $package[2]; |
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} catch ( \Exception $e ) { |
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$this->log( $e->getMessage(), 'internal.log' ); |
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} |
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|
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return false; |
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} |
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} |
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|
