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<?php |
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/** |
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* The rollback class for ThemeIsle SDK. |
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* |
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* @package ThemeIsleSDK |
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* @subpackage Rollback |
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* @copyright Copyright (c) 2017, Marius Cristea |
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* @license http://opensource.org/licenses/gpl-3.0.php GNU Public License |
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* @since 1.0.0 |
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*/ |
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|
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namespace ThemeisleSDK\Modules; |
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|
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// Exit if accessed directly. |
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use ThemeisleSDK\Common\Abstract_Module; |
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use ThemeisleSDK\Product; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Rollback for ThemeIsle SDK. |
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*/ |
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class Rollback extends Abstract_Module { |
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|
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/** |
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* Add js scripts for themes rollback. |
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*/ |
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public function add_footer() { |
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$screen = get_current_screen(); |
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if ( ! isset( $screen->parent_file ) ) { |
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return; |
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} |
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if ( 'themes.php' !== $screen->parent_file ) { |
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return; |
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} |
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if ( ! $this->product->is_theme() ) { |
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return; |
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} |
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$version = $this->get_rollback(); |
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if ( empty( $version ) ) { |
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return; |
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} |
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?> |
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<script type="text/javascript"> |
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jQuery(document).ready(function ($) { |
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setInterval(checkTheme, 500); |
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|
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function checkTheme() { |
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var theme = '<?php echo esc_attr( $this->product->get_slug() ); ?>-action'; |
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|
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if (jQuery('#' + theme).length > 0) { |
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if (jQuery('.theme-overlay.active').is(':visible')) { |
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if (jQuery('#' + theme + '-rollback').length === 0) { |
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jQuery('.theme-actions .active-theme').prepend('<a class="button" style="float:left" id="' + theme + '-rollback" href="<?php echo esc_url( wp_nonce_url( admin_url( 'admin-post.php?action=' . $this->product->get_key() . '_rollback' ), $this->product->get_key() . '_rollback' ) ); ?>">Rollback to v<?php echo esc_attr( $version['version'] ); ?></a>') |
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} |
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} |
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|
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} |
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} |
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}) |
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|
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</script> |
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<?php |
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|
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} |
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|
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/** |
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* Get the last rollback for this product. |
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* |
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* @return array The rollback version. |
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*/ |
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public function get_rollback() { |
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$rollback = array(); |
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$versions = $this->get_api_versions(); |
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$versions = apply_filters( $this->product->get_key() . '_rollbacks', $versions ); |
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if ( empty( $versions ) ) { |
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return $rollback; |
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} |
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if ( $versions ) { |
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usort( $versions, array( $this, 'sort_rollback_array' ) ); |
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foreach ( $versions as $version ) { |
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if ( isset( $version['version'] ) && isset( $version['url'] ) && version_compare( $this->product->get_version(), $version['version'], '>' ) ) { |
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$rollback = $version; |
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break; |
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} |
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} |
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} |
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|
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return $rollback; |
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} |
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|
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/** |
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* Get versions array from wp.org |
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* |
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* @return array Array of versions. |
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*/ |
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private function get_api_versions() { |
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|
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$cache_key = $this->product->get_key() . '_' . preg_replace( '/[^0-9a-zA-Z ]/m', '', $this->product->get_version() ) . 'versions'; |
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$cache_versions = get_transient( $cache_key ); |
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if ( false === $cache_versions ) { |
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$versions = $this->get_remote_versions(); |
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set_transient( $cache_key, $versions, 5 * DAY_IN_SECONDS ); |
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} else { |
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$versions = is_array( $cache_versions ) ? $cache_versions : array(); |
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} |
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|
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return $versions; |
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} |
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|
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/** |
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* Get remote versions zips. |
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* |
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* @return array Array of available versions. |
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*/ |
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private function get_remote_versions() { |
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$url = $this->get_versions_api_url(); |
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if ( empty( $url ) ) { |
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return []; |
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} |
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$response = wp_remote_get( $url ); |
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if ( is_wp_error( $response ) ) { |
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return array(); |
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} |
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$response = wp_remote_retrieve_body( $response ); |
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|
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if ( is_serialized( $response ) ) { |
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$response = maybe_unserialize( $response ); |
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} else { |
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$response = json_decode( $response ); |
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} |
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|
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if ( ! is_object( $response ) ) { |
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return array(); |
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} |
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if ( ! isset( $response->versions ) ) { |
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return array(); |
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} |
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|
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$versions = array(); |
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foreach ( $response->versions as $key => $value ) { |
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$versions[] = array( |
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'version' => is_object( $value ) ? $value->version : $key, |
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'url' => is_object( $value ) ? $value->file : $value, |
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); |
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} |
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|
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return $versions; |
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} |
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|
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/** |
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* Return url where to check for versions. |
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* |
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* @return string Url where to check for versions. |
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*/ |
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private function get_versions_api_url() { |
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if ( $this->product->is_wordpress_available() && $this->product->is_plugin() ) { |
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return sprintf( 'https://api.wordpress.org/plugins/info/1.0/%s', $this->product->get_slug() ); |
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} |
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if ( $this->product->is_wordpress_available() && $this->product->is_theme() ) { |
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return sprintf( 'https://api.wordpress.org/themes/info/1.1/?action=theme_information&request[slug]=%s&request[fields][versions]=true', $this->product->get_slug() ); |
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} |
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$license = $this->product->get_license(); |
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if ( $this->product->requires_license() && strlen( $license ) < 10 ) { |
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return ''; |
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} |
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|
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return sprintf( '%slicense/versions/%s/%s/%s/%s', Product::API_URL, rawurlencode( $this->product->get_name() ), $license, urlencode( get_site_url() ), $this->product->get_version() ); |
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} |
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|
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/** |
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* Show the rollback links in the plugin page. |
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* |
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* @param array $links Plugin links. |
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* |
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* @return array $links Altered links. |
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*/ |
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public function add_rollback_link( $links ) { |
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$version = $this->get_rollback(); |
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if ( empty( $version ) ) { |
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return $links; |
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} |
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$links[] = '<a href="' . wp_nonce_url( admin_url( 'admin-post.php?action=' . $this->product->get_key() . '_rollback' ), $this->product->get_key() . '_rollback' ) . '">' . sprintf( apply_filters( $this->product->get_key() . '_rollback_label', 'Rollback to v%s' ), $version['version'] ) . '</a>'; |
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|
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return $links; |
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} |
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|
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/** |
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* Start the rollback operation. |
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*/ |
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public function start_rollback() { |
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if ( ! isset( $_GET['_wpnonce'] ) || ! wp_verify_nonce( $_GET['_wpnonce'], $this->product->get_key() . '_rollback' ) ) { |
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wp_nonce_ays( '' ); |
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} |
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|
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if ( $this->product->is_plugin() ) { |
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$this->start_rollback_plugin(); |
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|
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return; |
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} |
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if ( $this->product->is_theme() ) { |
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$this->start_rollback_theme(); |
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|
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return; |
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} |
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} |
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|
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/** |
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* Start the rollback operation for the plugin. |
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*/ |
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private function start_rollback_plugin() { |
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$rollback = $this->get_rollback(); |
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$plugin_transient = get_site_transient( 'update_plugins' ); |
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$plugin_folder = $this->product->get_slug(); |
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$plugin_file = $this->product->get_file(); |
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$version = $rollback['version']; |
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$temp_array = array( |
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'slug' => $plugin_folder, |
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'new_version' => $version, |
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'package' => $rollback['url'], |
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); |
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|
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$temp_object = (object) $temp_array; |
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$plugin_transient->response[ $plugin_folder . '/' . $plugin_file ] = $temp_object; |
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set_site_transient( 'update_plugins', $plugin_transient ); |
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|
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$transient = get_transient( $this->product->get_key() . '_warning_rollback' ); |
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|
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if ( false === $transient ) { |
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set_transient( $this->product->get_key() . '_warning_rollback', 'in progress', 30 ); |
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require_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' ); |
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$title = sprintf( apply_filters( $this->product->get_key() . '_rollback_message', 'Rolling back %s to v%s' ), $this->product->get_name(), $version ); |
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$plugin = $plugin_folder . '/' . $plugin_file; |
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$nonce = 'upgrade-plugin_' . $plugin; |
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$url = 'update.php?action=upgrade-plugin&plugin=' . urlencode( $plugin ); |
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$upgrader_skin = new \Plugin_Upgrader_Skin( compact( 'title', 'nonce', 'url', 'plugin' ) ); |
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$upgrader = new \Plugin_Upgrader( $upgrader_skin ); |
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$upgrader->upgrade( $plugin ); |
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delete_transient( $this->product->get_key() . '_warning_rollback' ); |
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wp_die( |
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'', |
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$title, |
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array( |
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'response' => 200, |
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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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* Start the rollback operation for the theme. |
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*/ |
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private function start_rollback_theme() { |
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add_filter( 'update_theme_complete_actions', array( $this, 'alter_links_theme_upgrade' ) ); |
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$rollback = $this->get_rollback(); |
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$transient = get_site_transient( 'update_themes' ); |
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$folder = $this->product->get_slug(); |
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$version = $rollback['version']; |
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$temp_array = array( |
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'new_version' => $version, |
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'package' => $rollback['url'], |
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); |
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|
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$transient->response[ $folder . '/style.css' ] = $temp_array; |
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set_site_transient( 'update_themes', $transient ); |
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|
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$transient = get_transient( $this->product->get_key() . '_warning_rollback' ); |
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|
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if ( false === $transient ) { |
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set_transient( $this->product->get_key() . '_warning_rollback', 'in progress', 30 ); |
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require_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' ); |
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$title = sprintf( apply_filters( $this->product->get_key() . '_rollback_message', 'Rolling back %s to v%s' ), $this->product->get_name(), $version ); |
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$theme = $folder . '/style.css'; |
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$nonce = 'upgrade-theme_' . $theme; |
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$url = 'update.php?action=upgrade-theme&theme=' . urlencode( $theme ); |
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|
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$upgrader = new \Theme_Upgrader( new \Theme_Upgrader_Skin( compact( 'title', 'nonce', 'url', 'theme' ) ) ); |
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$upgrader->upgrade( $theme ); |
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delete_transient( $this->product->get_key() . '_warning_rollback' ); |
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wp_die( |
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'', |
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$title, |
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array( |
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'response' => 200, |
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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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* Alter links and remove duplicate customize message. |
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* |
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* @param array $links Array of old links. |
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* |
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* @return mixed Array of links. |
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*/ |
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public function alter_links_theme_upgrade( $links ) { |
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if ( isset( $links['preview'] ) ) { |
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$links['preview'] = str_replace( '<span aria-hidden="true">Customize</span>', '', $links['preview'] ); |
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} |
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|
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return $links; |
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} |
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|
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/** |
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* Loads product object. |
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* |
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* @param Product $product Product object. |
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* |
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* @return bool Should we load the module? |
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*/ |
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public function can_load( $product ) { |
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if ( $this->is_from_partner( $product ) ) { |
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return false; |
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} |
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if ( $product->is_theme() && ! current_user_can( 'switch_themes' ) ) { |
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return false; |
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} |
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|
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if ( $product->is_plugin() && ! current_user_can( 'install_plugins' ) ) { |
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return false; |
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} |
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|
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return true; |
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} |
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|
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/** |
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* Sort the rollbacks array in descending order. |
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* |
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* @param mixed $a First version to compare. |
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* @param mixed $b Second version to compare. |
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* |
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* @return bool Which version is greater? |
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*/ |
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public function sort_rollback_array( $a, $b ) { |
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return version_compare( $a['version'], $b['version'], '<' ) > 0; |
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} |
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|
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/** |
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* Load module logic. |
| 343 |
* |
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* @param Product $product Product object. |
| 345 |
* |
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* @return $this Module object. |
| 347 |
*/ |
| 348 |
public function load( $product ) { |
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$this->product = $product; |
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$this->show_link(); |
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$this->add_hooks(); |
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|
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return $this; |
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} |
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|
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/** |
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* If product can be rolled back, show the link to rollback. |
| 358 |
*/ |
| 359 |
private function show_link() { |
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add_filter( |
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'plugin_action_links_' . plugin_basename( $this->product->get_basefile() ), |
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array( |
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$this, |
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'add_rollback_link', |
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) |
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); |
| 367 |
} |
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|
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/** |
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* Set the rollback hook. Strangely, this does not work if placed in the ThemeIsle_SDK_Rollback class, so it is being called from there instead. |
| 371 |
*/ |
| 372 |
public function add_hooks() { |
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add_action( 'admin_post_' . $this->product->get_key() . '_rollback', array( $this, 'start_rollback' ) ); |
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add_action( 'admin_footer', array( $this, 'add_footer' ) ); |
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} |
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} |
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|
