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<?php namespace Elementor\Data;
use Elementor\Core\Base\Module as BaseModule; use Elementor\Data\Base\Processor;
if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly }
class Manager extends BaseModule {
const ROOT_NAMESPACE = 'elementor';
const REST_BASE = '';
const VERSION = '1';
/** * @var \WP_REST_Server */ private $server;
/** * @var boolean */ private $is_internal = false;
/** * @var array */ private $cache = [];
/** * Loaded controllers. * * @var \Elementor\Data\Base\Controller[] */ public $controllers = [];
/** * Loaded command(s) format. * * @var string[] */ public $command_formats = [];
/** * Fix issue with 'Potentially polymorphic call. The code may be inoperable depending on the actual class instance passed as the argument.'. * * @return \Elementor\Core\Base\Module|\Elementor\Data\Manager */ public static function instance() { return ( parent::instance() ); }
public function __construct() { add_action( 'rest_api_init', [ $this, 'register_rest_error_handler' ] ); }
public function get_name() { return 'data-manager'; }
/** * @return \Elementor\Data\Base\Controller[] */ public function get_controllers() { return $this->controllers; }
private function get_cache( $key ) { return self::get_items( $this->cache, $key ); }
private function set_cache( $key, $value ) { $this->cache[ $key ] = $value; }
/** * Register controller. * * @param string $controller_class_name * * @return \Elementor\Data\Base\Controller */ public function register_controller( $controller_class_name ) { $controller_instance = new $controller_class_name();
return $this->register_controller_instance( $controller_instance ); }
/** * Register controller instance. * * @param \Elementor\Data\Base\Controller $controller_instance * * @return \Elementor\Data\Base\Controller */ public function register_controller_instance( $controller_instance ) { // TODO: Validate instance.
$this->controllers[ $controller_instance->get_name() ] = $controller_instance;
return $controller_instance; }
/** * Register endpoint format. * * @param string $command * @param string $format * */ public function register_endpoint_format( $command, $format ) { $this->command_formats[ $command ] = rtrim( $format, '/' ); }
public function register_rest_error_handler() { if ( ! $this->is_internal() ) { $logger_manager = \Elementor\Core\Logger\Manager::instance(); $logger_manager->register_error_handler(); } }
/** * Find controller instance. * * By given command name. * * @param string $command * * @return false|\Elementor\Data\Base\Controller */ public function find_controller_instance( $command ) { $command_parts = explode( '/', $command ); $assumed_command_parts = [];
foreach ( $command_parts as $command_part ) { $assumed_command_parts [] = $command_part;
foreach ( $this->controllers as $controller_name => $controller ) { $assumed_command = implode( '/', $assumed_command_parts );
if ( $assumed_command === $controller_name ) { return $controller; } } }
return false; }
/** * Command extract args. * * @param string $command * @param array $args * * @return \stdClass */ public function command_extract_args( $command, $args = [] ) { $result = new \stdClass(); $result->command = $command; $result->args = $args;
if ( false !== strpos( $command, '?' ) ) { $command_parts = explode( '?', $command ); $pure_command = $command_parts[0]; $query_string = $command_parts[1];
parse_str( $query_string, $temp );
$result->command = rtrim( $pure_command, '/' ); $result->args = array_merge( $args, $temp ); }
return $result; }
/** * Command to endpoint. * * Format is required otherwise $command will returned. * * @param string $command * @param string $format * @param array $args * * @return string endpoint */ public function command_to_endpoint( $command, $format, $args ) { $endpoint = $command;
if ( $format ) { $formatted = $format;
array_walk( $args, function ( $val, $key ) use ( &$formatted ) { $formatted = str_replace( '{' . $key . '}', $val, $formatted ); } );
// Remove remaining format if not requested via `$args`. if ( strstr( $formatted, '/{' ) ) { /** * Example: * $command = 'example/documents'; * $format = 'example/documents/{document_id}/elements/{element_id}'; * $formatted = 'example/documents/1618/elements/{element_id}'; * Result: * $formatted = 'example/documents/1618/elements'; */ $formatted = substr( $formatted, 0, strpos( $formatted, '/{' ) ); }
$endpoint = $formatted; }
return $endpoint; }
/** * Run server. * * Init WordPress reset api. * * @return \WP_REST_Server */ public function run_server() { /** * If run_server() called means, that rest api is simulated from the backend. */ $this->is_internal = true;
if ( ! $this->server ) { // Remove all 'rest_api_init' actions. remove_all_actions( 'rest_api_init' );
// Call custom reset api loader. do_action( 'elementor_rest_api_before_init' );
$this->server = rest_get_server(); // Init API. }
return $this->server; }
/** * Kill server. * * Free server and controllers. */ public function kill_server() { global $wp_rest_server;
$this->controllers = []; $this->command_formats = []; $this->server = false; $this->is_internal = false; $this->cache = []; $wp_rest_server = false; }
/** * Run processor. * * @param \Elementor\Data\Base\Processor $processor * @param array $data * * @return mixed */ public function run_processor( $processor, $data ) { if ( call_user_func_array( [ $processor, 'get_conditions' ], $data ) ) { return call_user_func_array( [ $processor, 'apply' ], $data ); }
return null; }
/** * Run processors. * * Filter them by class. * * @param \Elementor\Data\Base\Processor[] $processors * @param string $filter_by_class * @param array $data * * @return false|array */ public function run_processors( $processors, $filter_by_class, $data ) { foreach ( $processors as $processor ) { if ( $processor instanceof $filter_by_class ) { if ( Processor\Before::class === $filter_by_class ) { $this->run_processor( $processor, $data ); } elseif ( Processor\After::class === $filter_by_class ) { $result = $this->run_processor( $processor, $data ); if ( $result ) { $data[1] = $result; } } else { // TODO: error break; } } }
return isset( $data[1] ) ? $data[1] : false; }
/** * Run request. * * Simulate rest API from within the backend. * Use args as query. * * @param string $endpoint * @param array $args * @param string $method * * @return \WP_REST_Response */ private function run_request( $endpoint, $args, $method ) { $this->run_server();
$endpoint = '/' . self::ROOT_NAMESPACE . '/v' . self::VERSION . '/' . $endpoint;
// Run reset api. $request = new \WP_REST_Request( $method, $endpoint );
if ( 'GET' === $method ) { $request->set_query_params( $args ); } else { $request->set_body_params( $args ); }
return rest_do_request( $request ); }
/** * Run endpoint. * * Wrapper for `$this->run_request` return `$response->getData()` instead of `$response`. * * @param string $endpoint * @param array $args * @param string $method * * @return array */ public function run_endpoint( $endpoint, $args = [], $method = 'GET' ) { $response = $this->run_request( $endpoint, $args, $method );
return $response->get_data(); }
/** * Run ( simulated reset api ). * * Do: * Init reset server. * Run before processors. * Run command as reset api endpoint from internal. * Run after processors. * * @param string $command * @param array $args * @param string $method * * @return array|false processed result */ public function run( $command, $args = [], $method = 'GET' ) { $key = crc32( $command . '-' . wp_json_encode( $args ) . '-' . $method ); $cache = $this->get_cache( $key );
if ( $cache ) { return $cache; }
$this->run_server();
$controller_instance = $this->find_controller_instance( $command );
if ( ! $controller_instance ) { $this->set_cache( $key, [] ); return []; }
$extracted_command = $this->command_extract_args( $command, $args ); $command = $extracted_command->command; $args = $extracted_command->args;
$format = isset( $this->command_formats[ $command ] ) ? $this->command_formats[ $command ] : false;
$command_processors = $controller_instance->get_processors( $command );
$endpoint = $this->command_to_endpoint( $command, $format, $args );
$this->run_processors( $command_processors, Processor\Before::class, [ $args ] );
$response = $this->run_request( $endpoint, $args, $method ); $result = $response->get_data();
if ( $response->is_error() ) { $this->set_cache( $key, [] ); return []; }
$result = $this->run_processors( $command_processors, Processor\After::class, [ $args, $result ] );
$this->set_cache( $key, $result );
return $result; }
public function is_internal() { return $this->is_internal; } }
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