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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; require_once ABSPATH . 'wp-admin/includes/file.php'; use Automattic\Jetpack\Automatic_Install_Skin; use Automattic\Jetpack\Connection\Client; /** * Themes install endpoint class. * * POST /sites/%s/themes/%s/install */ class Jetpack_JSON_API_Themes_Install_Endpoint extends Jetpack_JSON_API_Themes_Endpoint { /** * Needed capabilities. * * @var string */ protected $needed_capabilities = 'install_themes'; /** * The action. * * @var string */ protected $action = 'install'; /** * Download links. * * @var array */ protected $download_links = array(); /** * Install the theme. * * @return bool|WP_Error */ protected function install() { foreach ( $this->themes as $theme ) { /** * Filters whether to use an alternative process for installing a WordPress.com theme. * The alternative process can be executed during the filter. * * The filter can also return an instance of WP_Error; in which case the endpoint response will * contain this error. * * @module json-api * * @since 4.4.2 * * @param bool $use_alternative_install_method Whether to use the alternative method of installing * a WPCom theme. * @param string $theme_slug Theme name (slug). If it is a WPCom theme, * it should be suffixed with `-wpcom`. */ $result = apply_filters( 'jetpack_wpcom_theme_install', false, $theme ); $skin = null; $upgrader = null; $link = null; // If the alternative install method was not used, use the standard method. if ( ! $result ) { $skin = new Automatic_Install_Skin(); $upgrader = new Theme_Upgrader( $skin ); $link = $this->download_links[ $theme ]; $result = $upgrader->install( $link ); } if ( file_exists( $link ) ) { // Delete if link was tmp local file wp_delete_file( $link ); } if ( ! $this->bulk && is_wp_error( $result ) ) { return $result; } if ( ! $result ) { $error = __( 'An unknown error occurred during installation', 'jetpack' ); $this->log[ $theme ]['error'] = $error; } elseif ( ! self::is_installed_theme( $theme ) ) { $error = __( 'There was an error installing your theme', 'jetpack' ); $this->log[ $theme ]['error'] = $error; } elseif ( $upgrader ) { $this->log[ $theme ][] = $upgrader->skin->get_upgrade_messages(); } } if ( ! $this->bulk && isset( $error ) ) { return new WP_Error( 'install_error', $error, 400 ); } return true; } /** * Validate the themes. * * @return bool|WP_Error */ protected function validate_themes() { if ( empty( $this->themes ) || ! is_array( $this->themes ) ) { return new WP_Error( 'missing_themes', __( 'No themes found.', 'jetpack' ) ); } foreach ( $this->themes as $theme ) { if ( self::is_installed_theme( $theme ) ) { return new WP_Error( 'theme_already_installed', __( 'The theme is already installed', 'jetpack' ) ); } /** * Filters whether to skip the standard method of downloading and validating a WordPress.com * theme. An alternative method of WPCom theme download and validation can be * executed during the filter. * * The filter can also return an instance of WP_Error; in which case the endpoint response will * contain this error. * * @module json-api * * @since 4.4.2 * * @param bool $skip_download_filter_result Whether to skip the standard method of downloading * and validating a WPCom theme. * @param string $theme_slug Theme name (slug). If it is a WPCom theme, * it should be suffixed with `-wpcom`. */ $skip_download_filter_result = apply_filters( 'jetpack_wpcom_theme_skip_download', false, $theme ); if ( is_wp_error( $skip_download_filter_result ) ) { return $skip_download_filter_result; } elseif ( $skip_download_filter_result ) { continue; } if ( wp_endswith( $theme, '-wpcom' ) ) { $file = self::download_wpcom_theme_to_file( $theme ); if ( is_wp_error( $file ) ) { return $file; } $this->download_links[ $theme ] = $file; continue; } $params = (object) array( 'slug' => $theme ); $url = 'https://api.wordpress.org/themes/info/1.0/'; // @todo Switch to https://api.wordpress.org/themes/info/1.1/, which uses JSON rather than PHP serialization. $args = array( 'body' => array( 'action' => 'theme_information', 'request' => serialize( $params ), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize ), ); $response = wp_remote_post( $url, $args ); $theme_data = unserialize( $response['body'] ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_unserialize if ( is_wp_error( $theme_data ) ) { return $theme_data; } if ( ! is_object( $theme_data ) && ! isset( $theme_data->download_link ) ) { return new WP_Error( 'theme_not_found', __( 'This theme does not exist', 'jetpack' ), 404 ); } $this->download_links[ $theme ] = $theme_data->download_link; } return true; } /** * Check if the theme is installed. * * @param string $theme - the theme we're checking. * * @return bool */ protected static function is_installed_theme( $theme ) { $wp_theme = wp_get_theme( $theme ); return $wp_theme->exists(); } /** * Download the wpcom theme. * * @param string $theme - the theme to download. * * @return string|WP_Error */ protected static function download_wpcom_theme_to_file( $theme ) { $file = wp_tempnam( 'theme' ); if ( ! $file ) { return new WP_Error( 'problem_creating_theme_file', __( 'Problem creating file for theme download', 'jetpack' ) ); } $url = "themes/download/$theme.zip"; $args = array( 'stream' => true, 'filename' => $file, ); $result = Client::wpcom_json_api_request_as_blog( $url, '1.1', $args ); $response = $result['response']; if ( $response['code'] !== 200 ) { wp_delete_file( $file ); return new WP_Error( 'problem_fetching_theme', __( 'Problem downloading theme', 'jetpack' ) ); } return $file; } }
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