wp-woocommerce-pay/includes/class-wenpaiepay-updater.php

<?php
/**
 * WenPaiEPay 自动更新器
 *
 * 通过文派云桥 (WenPai Bridge) 检查插件更新。
 * 利用 WordPress 5.8+ 的 Update URI 机制，注册
 * update_plugins_updates.wenpai.net filter。
 *
 * @package WenPaiEPay
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class WenPaiEPay_Updater {

	/** @var string 云桥 API 地址 */
	private $api_url = 'https://updates.wenpai.net/api/v1';

	/** @var string 插件主文件 basename */
	private $plugin_file;

	/** @var string 插件 slug */
	private $slug;

	/** @var string 当前版本 */
	private $version;

	/**
	 * @param string $plugin_file 插件主文件路径（plugin_basename 格式）
	 * @param string $version     当前插件版本
	 */
	public function __construct( string $plugin_file, string $version ) {
		$this->plugin_file = $plugin_file;
		$this->slug        = dirname( $plugin_file );
		$this->version     = $version;

		$this->register_hooks();
	}

	private function register_hooks(): void {
		add_filter( 'update_plugins_updates.wenpai.net', array( $this, 'check_update' ), 10, 4 );
		add_filter( 'plugins_api', array( $this, 'plugin_info' ), 20, 3 );
	}

	public function check_update( $update, array $plugin_data, string $plugin_file, array $locales ) {
		if ( $plugin_file !== $this->plugin_file ) {
			return $update;
		}

		$response = $this->api_request(
			'update-check',
			array(
				'plugins' => array(
					$this->plugin_file => array(
						'Version' => $this->version,
					),
				),
			)
		);

		if ( is_wp_error( $response ) || empty( $response['plugins'][ $this->plugin_file ] ) ) {
			return $update;
		}

		$data = $response['plugins'][ $this->plugin_file ];

		return (object) array(
			'slug'         => $data['slug'] ?? $this->slug,
			'plugin'       => $this->plugin_file,
			'version'      => $data['version'] ?? '',
			'new_version'  => $data['version'] ?? '',
			'url'          => $data['url'] ?? '',
			'package'      => $data['package'] ?? '',
			'icons'        => $data['icons'] ?? array(),
			'banners'      => $data['banners'] ?? array(),
			'requires'     => $data['requires'] ?? '',
			'tested'       => $data['tested'] ?? '',
			'requires_php' => $data['requires_php'] ?? '',
		);
	}

	public function plugin_info( $result, string $action, object $args ) {
		if ( $action !== 'plugin_information' ) {
			return $result;
		}

		if ( ! isset( $args->slug ) || $args->slug !== $this->slug ) {
			return $result;
		}

		$response = $this->api_request( 'plugins/' . $this->slug . '/info' );

		if ( is_wp_error( $response ) ) {
			return $result;
		}

		$info                = new stdClass();
		$info->name          = $response['name'] ?? '';
		$info->slug          = $response['slug'] ?? $this->slug;
		$info->version       = $response['version'] ?? '';
		$info->author        = $response['author'] ?? '';
		$info->homepage      = $response['homepage'] ?? '';
		$info->download_link = $response['download_link'] ?? '';
		$info->requires      = $response['requires'] ?? '';
		$info->tested        = $response['tested'] ?? '';
		$info->requires_php  = $response['requires_php'] ?? '';
		$info->last_updated  = $response['last_updated'] ?? '';
		$info->icons         = $response['icons'] ?? array();
		$info->banners       = $response['banners'] ?? array();
		$info->sections      = $response['sections'] ?? array();

		return $info;
	}

	private function api_request( string $endpoint, ?array $body = null ) {
		$url = rtrim( $this->api_url, '/' ) . '/' . ltrim( $endpoint, '/' );

		$args = array(
			'timeout' => 15,
			'headers' => array(
				'Accept' => 'application/json',
			),
		);

		if ( $body !== null ) {
			$args['headers']['Content-Type'] = 'application/json';
			$args['body']                    = wp_json_encode( $body );
			$response                        = wp_remote_post( $url, $args );
		} else {
			$response = wp_remote_get( $url, $args );
		}

		if ( is_wp_error( $response ) ) {
			return $response;
		}

		$code = wp_remote_retrieve_response_code( $response );
		if ( $code !== 200 ) {
			return new WP_Error( 'wenpai_bridge_error', sprintf( 'WenPai Bridge API returned %d', $code ) );
		}

		$data = json_decode( wp_remote_retrieve_body( $response ), true );
		if ( ! is_array( $data ) ) {
			return new WP_Error( 'wenpai_bridge_parse_error', 'Invalid JSON response from WenPai Bridge' );
		}

		return $data;
	}
}