772 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			772 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
<?php
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/**
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 * Upgrade API: Theme_Upgrader class
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 *
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 * @package WordPress
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 * @subpackage Upgrader
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 * @since 4.6.0
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 */
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/**
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 * Core class used for upgrading/installing themes.
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 *
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 * It is designed to upgrade/install themes from a local zip, remote zip URL,
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 * or uploaded zip file.
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 *
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 * @since 2.8.0
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 * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.
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 *
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 * @see WP_Upgrader
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 */
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class Theme_Upgrader extends WP_Upgrader {
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	/**
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	 * Result of the theme upgrade offer.
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	 *
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	 * @since 2.8.0
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	 * @var array|WP_Error $result
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	 * @see WP_Upgrader::$result
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	 */
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	public $result;
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	/**
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	 * Whether multiple themes are being upgraded/installed in bulk.
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	 *
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	 * @since 2.9.0
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	 * @var bool $bulk
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	 */
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	public $bulk = false;
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	/**
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	 * New theme info.
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	 *
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	 * @since 5.5.0
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	 * @var array $new_theme_data
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	 *
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	 * @see check_package()
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	 */
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	public $new_theme_data = array();
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	/**
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	 * Initializes the upgrade strings.
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	 *
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	 * @since 2.8.0
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	 */
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	public function upgrade_strings() {
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		$this->strings['up_to_date'] = __( 'The theme is at the latest version.' );
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		$this->strings['no_package'] = __( 'Update package not available.' );
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		/* translators: %s: Package URL. */
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		$this->strings['downloading_package'] = sprintf( __( 'Downloading update from %s…' ), '<span class="code pre">%s</span>' );
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		$this->strings['unpack_package']      = __( 'Unpacking the update…' );
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		$this->strings['remove_old']          = __( 'Removing the old version of the theme…' );
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		$this->strings['remove_old_failed']   = __( 'Could not remove the old theme.' );
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		$this->strings['process_failed']      = __( 'Theme update failed.' );
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		$this->strings['process_success']     = __( 'Theme updated successfully.' );
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	}
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	/**
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	 * Initializes the installation strings.
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	 *
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	 * @since 2.8.0
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	 */
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	public function install_strings() {
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		$this->strings['no_package'] = __( 'Installation package not available.' );
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		/* translators: %s: Package URL. */
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		$this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s…' ), '<span class="code pre">%s</span>' );
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		$this->strings['unpack_package']      = __( 'Unpacking the package…' );
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		$this->strings['installing_package']  = __( 'Installing the theme…' );
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		$this->strings['remove_old']          = __( 'Removing the old version of the theme…' );
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		$this->strings['remove_old_failed']   = __( 'Could not remove the old theme.' );
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		$this->strings['no_files']            = __( 'The theme contains no files.' );
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		$this->strings['process_failed']      = __( 'Theme installation failed.' );
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		$this->strings['process_success']     = __( 'Theme installed successfully.' );
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		/* translators: 1: Theme name, 2: Theme version. */
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		$this->strings['process_success_specific'] = __( 'Successfully installed the theme <strong>%1$s %2$s</strong>.' );
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		$this->strings['parent_theme_search']      = __( 'This theme requires a parent theme. Checking if it is installed…' );
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		/* translators: 1: Theme name, 2: Theme version. */
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		$this->strings['parent_theme_prepare_install'] = __( 'Preparing to install <strong>%1$s %2$s</strong>…' );
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		/* translators: 1: Theme name, 2: Theme version. */
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		$this->strings['parent_theme_currently_installed'] = __( 'The parent theme, <strong>%1$s %2$s</strong>, is currently installed.' );
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		/* translators: 1: Theme name, 2: Theme version. */
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		$this->strings['parent_theme_install_success'] = __( 'Successfully installed the parent theme, <strong>%1$s %2$s</strong>.' );
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		/* translators: %s: Theme name. */
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		$this->strings['parent_theme_not_found'] = sprintf( __( '<strong>The parent theme could not be found.</strong> You will need to install the parent theme, %s, before you can use this child theme.' ), '<strong>%s</strong>' );
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		/* translators: %s: Theme error. */
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		$this->strings['current_theme_has_errors'] = __( 'The active theme has the following error: "%s".' );
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		if ( ! empty( $this->skin->overwrite ) ) {
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			if ( 'update-theme' === $this->skin->overwrite ) {
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				$this->strings['installing_package'] = __( 'Updating the theme…' );
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				$this->strings['process_failed']     = __( 'Theme update failed.' );
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				$this->strings['process_success']    = __( 'Theme updated successfully.' );
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			}
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			if ( 'downgrade-theme' === $this->skin->overwrite ) {
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				$this->strings['installing_package'] = __( 'Downgrading the theme…' );
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				$this->strings['process_failed']     = __( 'Theme downgrade failed.' );
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				$this->strings['process_success']    = __( 'Theme downgraded successfully.' );
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			}
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		}
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	}
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	/**
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	 * Checks if a child theme is being installed and its parent also needs to be installed.
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	 *
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	 * Hooked to the {@see 'upgrader_post_install'} filter by Theme_Upgrader::install().
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	 *
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	 * @since 3.4.0
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	 *
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	 * @param bool  $install_result
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	 * @param array $hook_extra
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	 * @param array $child_result
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	 * @return bool
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	 */
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	public function check_parent_theme_filter( $install_result, $hook_extra, $child_result ) {
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		// Check to see if we need to install a parent theme.
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		$theme_info = $this->theme_info();
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		if ( ! $theme_info->parent() ) {
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			return $install_result;
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		}
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		$this->skin->feedback( 'parent_theme_search' );
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		if ( ! $theme_info->parent()->errors() ) {
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			$this->skin->feedback( 'parent_theme_currently_installed', $theme_info->parent()->display( 'Name' ), $theme_info->parent()->display( 'Version' ) );
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			// We already have the theme, fall through.
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			return $install_result;
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		}
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		// We don't have the parent theme, let's install it.
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		$api = themes_api(
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			'theme_information',
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			array(
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				'slug'   => $theme_info->get( 'Template' ),
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				'fields' => array(
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					'sections' => false,
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					'tags'     => false,
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				),
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			)
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		); // Save on a bit of bandwidth.
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		if ( ! $api || is_wp_error( $api ) ) {
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			$this->skin->feedback( 'parent_theme_not_found', $theme_info->get( 'Template' ) );
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			// Don't show activate or preview actions after installation.
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			add_filter( 'install_theme_complete_actions', array( $this, 'hide_activate_preview_actions' ) );
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			return $install_result;
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		}
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		// Backup required data we're going to override:
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		$child_api             = $this->skin->api;
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		$child_success_message = $this->strings['process_success'];
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		// Override them.
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		$this->skin->api = $api;
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		$this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];
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		$this->skin->feedback( 'parent_theme_prepare_install', $api->name, $api->version );
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		add_filter( 'install_theme_complete_actions', '__return_false', 999 ); // Don't show any actions after installing the theme.
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		// Install the parent theme.
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		$parent_result = $this->run(
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			array(
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				'package'           => $api->download_link,
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				'destination'       => get_theme_root(),
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				'clear_destination' => false, // Do not overwrite files.
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				'clear_working'     => true,
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			)
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		);
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		if ( is_wp_error( $parent_result ) ) {
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			add_filter( 'install_theme_complete_actions', array( $this, 'hide_activate_preview_actions' ) );
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		}
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		// Start cleaning up after the parent's installation.
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		remove_filter( 'install_theme_complete_actions', '__return_false', 999 );
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		// Reset child's result and data.
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		$this->result                     = $child_result;
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		$this->skin->api                  = $child_api;
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		$this->strings['process_success'] = $child_success_message;
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		return $install_result;
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	}
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	/**
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	 * Don't display the activate and preview actions to the user.
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	 *
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	 * Hooked to the {@see 'install_theme_complete_actions'} filter by
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	 * Theme_Upgrader::check_parent_theme_filter() when installing
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	 * a child theme and installing the parent theme fails.
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	 *
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	 * @since 3.4.0
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	 *
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	 * @param array $actions Preview actions.
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	 * @return array
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	 */
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	public function hide_activate_preview_actions( $actions ) {
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		unset( $actions['activate'], $actions['preview'] );
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		return $actions;
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	}
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	/**
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	 * Install a theme package.
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	 *
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	 * @since 2.8.0
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	 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
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	 *
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	 * @param string $package The full local path or URI of the package.
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	 * @param array  $args {
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	 *     Optional. Other arguments for installing a theme package. Default empty array.
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	 *
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	 *     @type bool $clear_update_cache Whether to clear the updates cache if successful.
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	 *                                    Default true.
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	 * }
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	 *
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	 * @return bool|WP_Error True if the installation was successful, false or a WP_Error object otherwise.
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	 */
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	public function install( $package, $args = array() ) {
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		$defaults    = array(
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			'clear_update_cache' => true,
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			'overwrite_package'  => false, // Do not overwrite files.
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		);
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		$parsed_args = wp_parse_args( $args, $defaults );
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		$this->init();
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		$this->install_strings();
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		add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
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		add_filter( 'upgrader_post_install', array( $this, 'check_parent_theme_filter' ), 10, 3 );
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		if ( $parsed_args['clear_update_cache'] ) {
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			// Clear cache so wp_update_themes() knows about the new theme.
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			add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
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		}
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		$this->run(
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			array(
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				'package'           => $package,
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				'destination'       => get_theme_root(),
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				'clear_destination' => $parsed_args['overwrite_package'],
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				'clear_working'     => true,
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				'hook_extra'        => array(
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					'type'   => 'theme',
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					'action' => 'install',
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				),
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			)
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		);
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		remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
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		remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
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		remove_filter( 'upgrader_post_install', array( $this, 'check_parent_theme_filter' ) );
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		if ( ! $this->result || is_wp_error( $this->result ) ) {
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			return $this->result;
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		}
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		// Refresh the Theme Update information.
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		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
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		if ( $parsed_args['overwrite_package'] ) {
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			/** This action is documented in wp-admin/includes/class-plugin-upgrader.php */
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			do_action( 'upgrader_overwrote_package', $package, $this->new_theme_data, 'theme' );
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		}
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		return true;
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	}
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	/**
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	 * Upgrades a theme.
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	 *
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	 * @since 2.8.0
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	 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
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	 *
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	 * @param string $theme The theme slug.
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	 * @param array  $args {
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	 *     Optional. Other arguments for upgrading a theme. Default empty array.
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	 *
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	 *     @type bool $clear_update_cache Whether to clear the update cache if successful.
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	 *                                    Default true.
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	 * }
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	 * @return bool|WP_Error True if the upgrade was successful, false or a WP_Error object otherwise.
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	 */
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	public function upgrade( $theme, $args = array() ) {
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		$defaults    = array(
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			'clear_update_cache' => true,
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		);
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		$parsed_args = wp_parse_args( $args, $defaults );
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		$this->init();
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		$this->upgrade_strings();
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		// Is an update available?
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		$current = get_site_transient( 'update_themes' );
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		if ( ! isset( $current->response[ $theme ] ) ) {
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			$this->skin->before();
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			$this->skin->set_result( false );
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			$this->skin->error( 'up_to_date' );
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			$this->skin->after();
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			return false;
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		}
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		$r = $current->response[ $theme ];
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		add_filter( 'upgrader_pre_install', array( $this, 'current_before' ), 10, 2 );
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		add_filter( 'upgrader_post_install', array( $this, 'current_after' ), 10, 2 );
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		add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_theme' ), 10, 4 );
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		if ( $parsed_args['clear_update_cache'] ) {
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			// Clear cache so wp_update_themes() knows about the new theme.
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			add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
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		}
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		$this->run(
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			array(
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				'package'           => $r['package'],
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				'destination'       => get_theme_root( $theme ),
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				'clear_destination' => true,
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				'clear_working'     => true,
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				'hook_extra'        => array(
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					'theme'       => $theme,
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					'type'        => 'theme',
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					'action'      => 'update',
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					'temp_backup' => array(
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						'slug' => $theme,
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						'src'  => get_theme_root( $theme ),
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						'dir'  => 'themes',
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					),
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				),
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			)
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		);
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		remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
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		remove_filter( 'upgrader_pre_install', array( $this, 'current_before' ) );
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		remove_filter( 'upgrader_post_install', array( $this, 'current_after' ) );
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		remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_theme' ) );
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		if ( ! $this->result || is_wp_error( $this->result ) ) {
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			return $this->result;
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		}
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		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
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						|
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		/*
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		 * Ensure any future auto-update failures trigger a failure email by removing
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		 * the last failure notification from the list when themes update successfully.
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		 */
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		$past_failure_emails = get_option( 'auto_plugin_theme_update_emails', array() );
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		if ( isset( $past_failure_emails[ $theme ] ) ) {
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			unset( $past_failure_emails[ $theme ] );
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			update_option( 'auto_plugin_theme_update_emails', $past_failure_emails );
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		}
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		return true;
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	}
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	/**
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	 * Upgrades several themes at once.
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	 *
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	 * @since 3.0.0
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	 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
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	 *
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	 * @param string[] $themes Array of the theme slugs.
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	 * @param array    $args {
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	 *     Optional. Other arguments for upgrading several themes at once. Default empty array.
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	 *
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	 *     @type bool $clear_update_cache Whether to clear the update cache if successful.
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	 *                                    Default true.
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	 * }
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	 * @return array[]|false An array of results, or false if unable to connect to the filesystem.
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	 */
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	public function bulk_upgrade( $themes, $args = array() ) {
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		$defaults    = array(
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			'clear_update_cache' => true,
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		);
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		$parsed_args = wp_parse_args( $args, $defaults );
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		$this->init();
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		$this->bulk = true;
 | 
						|
		$this->upgrade_strings();
 | 
						|
 | 
						|
		$current = get_site_transient( 'update_themes' );
 | 
						|
 | 
						|
		add_filter( 'upgrader_pre_install', array( $this, 'current_before' ), 10, 2 );
 | 
						|
		add_filter( 'upgrader_post_install', array( $this, 'current_after' ), 10, 2 );
 | 
						|
		add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_theme' ), 10, 4 );
 | 
						|
 | 
						|
		$this->skin->header();
 | 
						|
 | 
						|
		// Connect to the filesystem first.
 | 
						|
		$res = $this->fs_connect( array( WP_CONTENT_DIR ) );
 | 
						|
		if ( ! $res ) {
 | 
						|
			$this->skin->footer();
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
 | 
						|
		$this->skin->bulk_header();
 | 
						|
 | 
						|
		/*
 | 
						|
		 * Only start maintenance mode if:
 | 
						|
		 * - running Multisite and there are one or more themes specified, OR
 | 
						|
		 * - a theme with an update available is currently in use.
 | 
						|
		 * @todo For multisite, maintenance mode should only kick in for individual sites if at all possible.
 | 
						|
		 */
 | 
						|
		$maintenance = ( is_multisite() && ! empty( $themes ) );
 | 
						|
		foreach ( $themes as $theme ) {
 | 
						|
			$maintenance = $maintenance || get_stylesheet() === $theme || get_template() === $theme;
 | 
						|
		}
 | 
						|
		if ( $maintenance ) {
 | 
						|
			$this->maintenance_mode( true );
 | 
						|
		}
 | 
						|
 | 
						|
		$results = array();
 | 
						|
 | 
						|
		$this->update_count   = count( $themes );
 | 
						|
		$this->update_current = 0;
 | 
						|
		foreach ( $themes as $theme ) {
 | 
						|
			++$this->update_current;
 | 
						|
 | 
						|
			$this->skin->theme_info = $this->theme_info( $theme );
 | 
						|
 | 
						|
			if ( ! isset( $current->response[ $theme ] ) ) {
 | 
						|
				$this->skin->set_result( true );
 | 
						|
				$this->skin->before();
 | 
						|
				$this->skin->feedback( 'up_to_date' );
 | 
						|
				$this->skin->after();
 | 
						|
				$results[ $theme ] = true;
 | 
						|
				continue;
 | 
						|
			}
 | 
						|
 | 
						|
			// Get the URL to the zip file.
 | 
						|
			$r = $current->response[ $theme ];
 | 
						|
 | 
						|
			$result = $this->run(
 | 
						|
				array(
 | 
						|
					'package'           => $r['package'],
 | 
						|
					'destination'       => get_theme_root( $theme ),
 | 
						|
					'clear_destination' => true,
 | 
						|
					'clear_working'     => true,
 | 
						|
					'is_multi'          => true,
 | 
						|
					'hook_extra'        => array(
 | 
						|
						'theme'       => $theme,
 | 
						|
						'temp_backup' => array(
 | 
						|
							'slug' => $theme,
 | 
						|
							'src'  => get_theme_root( $theme ),
 | 
						|
							'dir'  => 'themes',
 | 
						|
						),
 | 
						|
					),
 | 
						|
				)
 | 
						|
			);
 | 
						|
 | 
						|
			$results[ $theme ] = $result;
 | 
						|
 | 
						|
			// Prevent credentials auth screen from displaying multiple times.
 | 
						|
			if ( false === $result ) {
 | 
						|
				break;
 | 
						|
			}
 | 
						|
		} // End foreach $themes.
 | 
						|
 | 
						|
		$this->maintenance_mode( false );
 | 
						|
 | 
						|
		// Refresh the Theme Update information.
 | 
						|
		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
 | 
						|
 | 
						|
		/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
 | 
						|
		do_action(
 | 
						|
			'upgrader_process_complete',
 | 
						|
			$this,
 | 
						|
			array(
 | 
						|
				'action' => 'update',
 | 
						|
				'type'   => 'theme',
 | 
						|
				'bulk'   => true,
 | 
						|
				'themes' => $themes,
 | 
						|
			)
 | 
						|
		);
 | 
						|
 | 
						|
		$this->skin->bulk_footer();
 | 
						|
 | 
						|
		$this->skin->footer();
 | 
						|
 | 
						|
		// Cleanup our hooks, in case something else does an upgrade on this connection.
 | 
						|
		remove_filter( 'upgrader_pre_install', array( $this, 'current_before' ) );
 | 
						|
		remove_filter( 'upgrader_post_install', array( $this, 'current_after' ) );
 | 
						|
		remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_theme' ) );
 | 
						|
 | 
						|
		/*
 | 
						|
		 * Ensure any future auto-update failures trigger a failure email by removing
 | 
						|
		 * the last failure notification from the list when themes update successfully.
 | 
						|
		 */
 | 
						|
		$past_failure_emails = get_option( 'auto_plugin_theme_update_emails', array() );
 | 
						|
 | 
						|
		foreach ( $results as $theme => $result ) {
 | 
						|
			// Maintain last failure notification when themes failed to update manually.
 | 
						|
			if ( ! $result || is_wp_error( $result ) || ! isset( $past_failure_emails[ $theme ] ) ) {
 | 
						|
				continue;
 | 
						|
			}
 | 
						|
 | 
						|
			unset( $past_failure_emails[ $theme ] );
 | 
						|
		}
 | 
						|
 | 
						|
		update_option( 'auto_plugin_theme_update_emails', $past_failure_emails );
 | 
						|
 | 
						|
		return $results;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Checks that the package source contains a valid theme.
 | 
						|
	 *
 | 
						|
	 * Hooked to the {@see 'upgrader_source_selection'} filter by Theme_Upgrader::install().
 | 
						|
	 *
 | 
						|
	 * @since 3.3.0
 | 
						|
	 *
 | 
						|
	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 | 
						|
	 * @global string             $wp_version    The WordPress version string.
 | 
						|
	 *
 | 
						|
	 * @param string $source The path to the downloaded package source.
 | 
						|
	 * @return string|WP_Error The source as passed, or a WP_Error object on failure.
 | 
						|
	 */
 | 
						|
	public function check_package( $source ) {
 | 
						|
		global $wp_filesystem, $wp_version;
 | 
						|
 | 
						|
		$this->new_theme_data = array();
 | 
						|
 | 
						|
		if ( is_wp_error( $source ) ) {
 | 
						|
			return $source;
 | 
						|
		}
 | 
						|
 | 
						|
		// Check that the folder contains a valid theme.
 | 
						|
		$working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit( WP_CONTENT_DIR ), $source );
 | 
						|
		if ( ! is_dir( $working_directory ) ) { // Sanity check, if the above fails, let's not prevent installation.
 | 
						|
			return $source;
 | 
						|
		}
 | 
						|
 | 
						|
		// A proper archive should have a style.css file in the single subdirectory.
 | 
						|
		if ( ! file_exists( $working_directory . 'style.css' ) ) {
 | 
						|
			return new WP_Error(
 | 
						|
				'incompatible_archive_theme_no_style',
 | 
						|
				$this->strings['incompatible_archive'],
 | 
						|
				sprintf(
 | 
						|
					/* translators: %s: style.css */
 | 
						|
					__( 'The theme is missing the %s stylesheet.' ),
 | 
						|
					'<code>style.css</code>'
 | 
						|
				)
 | 
						|
			);
 | 
						|
		}
 | 
						|
 | 
						|
		// All these headers are needed on Theme_Installer_Skin::do_overwrite().
 | 
						|
		$info = get_file_data(
 | 
						|
			$working_directory . 'style.css',
 | 
						|
			array(
 | 
						|
				'Name'        => 'Theme Name',
 | 
						|
				'Version'     => 'Version',
 | 
						|
				'Author'      => 'Author',
 | 
						|
				'Template'    => 'Template',
 | 
						|
				'RequiresWP'  => 'Requires at least',
 | 
						|
				'RequiresPHP' => 'Requires PHP',
 | 
						|
			)
 | 
						|
		);
 | 
						|
 | 
						|
		if ( empty( $info['Name'] ) ) {
 | 
						|
			return new WP_Error(
 | 
						|
				'incompatible_archive_theme_no_name',
 | 
						|
				$this->strings['incompatible_archive'],
 | 
						|
				sprintf(
 | 
						|
					/* translators: %s: style.css */
 | 
						|
					__( 'The %s stylesheet does not contain a valid theme header.' ),
 | 
						|
					'<code>style.css</code>'
 | 
						|
				)
 | 
						|
			);
 | 
						|
		}
 | 
						|
 | 
						|
		/*
 | 
						|
		 * Parent themes must contain an index file:
 | 
						|
		 * - classic themes require /index.php
 | 
						|
		 * - block themes require /templates/index.html or block-templates/index.html (deprecated 5.9.0).
 | 
						|
		 */
 | 
						|
		if (
 | 
						|
			empty( $info['Template'] ) &&
 | 
						|
			! file_exists( $working_directory . 'index.php' ) &&
 | 
						|
			! file_exists( $working_directory . 'templates/index.html' ) &&
 | 
						|
			! file_exists( $working_directory . 'block-templates/index.html' )
 | 
						|
		) {
 | 
						|
			return new WP_Error(
 | 
						|
				'incompatible_archive_theme_no_index',
 | 
						|
				$this->strings['incompatible_archive'],
 | 
						|
				sprintf(
 | 
						|
					/* translators: 1: templates/index.html, 2: index.php, 3: Documentation URL, 4: Template, 5: style.css */
 | 
						|
					__( 'Template is missing. Standalone themes need to have a %1$s or %2$s template file. <a href="%3$s">Child themes</a> need to have a %4$s header in the %5$s stylesheet.' ),
 | 
						|
					'<code>templates/index.html</code>',
 | 
						|
					'<code>index.php</code>',
 | 
						|
					__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' ),
 | 
						|
					'<code>Template</code>',
 | 
						|
					'<code>style.css</code>'
 | 
						|
				)
 | 
						|
			);
 | 
						|
		}
 | 
						|
 | 
						|
		$requires_php = isset( $info['RequiresPHP'] ) ? $info['RequiresPHP'] : null;
 | 
						|
		$requires_wp  = isset( $info['RequiresWP'] ) ? $info['RequiresWP'] : null;
 | 
						|
 | 
						|
		if ( ! is_php_version_compatible( $requires_php ) ) {
 | 
						|
			$error = sprintf(
 | 
						|
				/* translators: 1: Current PHP version, 2: Version required by the uploaded theme. */
 | 
						|
				__( 'The PHP version on your server is %1$s, however the uploaded theme requires %2$s.' ),
 | 
						|
				PHP_VERSION,
 | 
						|
				$requires_php
 | 
						|
			);
 | 
						|
 | 
						|
			return new WP_Error( 'incompatible_php_required_version', $this->strings['incompatible_archive'], $error );
 | 
						|
		}
 | 
						|
		if ( ! is_wp_version_compatible( $requires_wp ) ) {
 | 
						|
			$error = sprintf(
 | 
						|
				/* translators: 1: Current WordPress version, 2: Version required by the uploaded theme. */
 | 
						|
				__( 'Your WordPress version is %1$s, however the uploaded theme requires %2$s.' ),
 | 
						|
				$wp_version,
 | 
						|
				$requires_wp
 | 
						|
			);
 | 
						|
 | 
						|
			return new WP_Error( 'incompatible_wp_required_version', $this->strings['incompatible_archive'], $error );
 | 
						|
		}
 | 
						|
 | 
						|
		$this->new_theme_data = $info;
 | 
						|
 | 
						|
		return $source;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Turns on maintenance mode before attempting to upgrade the active theme.
 | 
						|
	 *
 | 
						|
	 * Hooked to the {@see 'upgrader_pre_install'} filter by Theme_Upgrader::upgrade() and
 | 
						|
	 * Theme_Upgrader::bulk_upgrade().
 | 
						|
	 *
 | 
						|
	 * @since 2.8.0
 | 
						|
	 *
 | 
						|
	 * @param bool|WP_Error $response The installation response before the installation has started.
 | 
						|
	 * @param array         $theme    Theme arguments.
 | 
						|
	 * @return bool|WP_Error The original `$response` parameter or WP_Error.
 | 
						|
	 */
 | 
						|
	public function current_before( $response, $theme ) {
 | 
						|
		if ( is_wp_error( $response ) ) {
 | 
						|
			return $response;
 | 
						|
		}
 | 
						|
 | 
						|
		$theme = isset( $theme['theme'] ) ? $theme['theme'] : '';
 | 
						|
 | 
						|
		// Only run if active theme.
 | 
						|
		if ( get_stylesheet() !== $theme ) {
 | 
						|
			return $response;
 | 
						|
		}
 | 
						|
 | 
						|
		// Change to maintenance mode. Bulk edit handles this separately.
 | 
						|
		if ( ! $this->bulk ) {
 | 
						|
			$this->maintenance_mode( true );
 | 
						|
		}
 | 
						|
 | 
						|
		return $response;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Turns off maintenance mode after upgrading the active theme.
 | 
						|
	 *
 | 
						|
	 * Hooked to the {@see 'upgrader_post_install'} filter by Theme_Upgrader::upgrade()
 | 
						|
	 * and Theme_Upgrader::bulk_upgrade().
 | 
						|
	 *
 | 
						|
	 * @since 2.8.0
 | 
						|
	 *
 | 
						|
	 * @param bool|WP_Error $response The installation response after the installation has finished.
 | 
						|
	 * @param array         $theme    Theme arguments.
 | 
						|
	 * @return bool|WP_Error The original `$response` parameter or WP_Error.
 | 
						|
	 */
 | 
						|
	public function current_after( $response, $theme ) {
 | 
						|
		if ( is_wp_error( $response ) ) {
 | 
						|
			return $response;
 | 
						|
		}
 | 
						|
 | 
						|
		$theme = isset( $theme['theme'] ) ? $theme['theme'] : '';
 | 
						|
 | 
						|
		// Only run if active theme.
 | 
						|
		if ( get_stylesheet() !== $theme ) {
 | 
						|
			return $response;
 | 
						|
		}
 | 
						|
 | 
						|
		// Ensure stylesheet name hasn't changed after the upgrade:
 | 
						|
		if ( get_stylesheet() === $theme && $theme !== $this->result['destination_name'] ) {
 | 
						|
			wp_clean_themes_cache();
 | 
						|
			$stylesheet = $this->result['destination_name'];
 | 
						|
			switch_theme( $stylesheet );
 | 
						|
		}
 | 
						|
 | 
						|
		// Time to remove maintenance mode. Bulk edit handles this separately.
 | 
						|
		if ( ! $this->bulk ) {
 | 
						|
			$this->maintenance_mode( false );
 | 
						|
		}
 | 
						|
		return $response;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Deletes the old theme during an upgrade.
 | 
						|
	 *
 | 
						|
	 * Hooked to the {@see 'upgrader_clear_destination'} filter by Theme_Upgrader::upgrade()
 | 
						|
	 * and Theme_Upgrader::bulk_upgrade().
 | 
						|
	 *
 | 
						|
	 * @since 2.8.0
 | 
						|
	 *
 | 
						|
	 * @global WP_Filesystem_Base $wp_filesystem Subclass
 | 
						|
	 *
 | 
						|
	 * @param bool   $removed
 | 
						|
	 * @param string $local_destination
 | 
						|
	 * @param string $remote_destination
 | 
						|
	 * @param array  $theme
 | 
						|
	 * @return bool
 | 
						|
	 */
 | 
						|
	public function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) {
 | 
						|
		global $wp_filesystem;
 | 
						|
 | 
						|
		if ( is_wp_error( $removed ) ) {
 | 
						|
			return $removed; // Pass errors through.
 | 
						|
		}
 | 
						|
 | 
						|
		if ( ! isset( $theme['theme'] ) ) {
 | 
						|
			return $removed;
 | 
						|
		}
 | 
						|
 | 
						|
		$theme      = $theme['theme'];
 | 
						|
		$themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) );
 | 
						|
		if ( $wp_filesystem->exists( $themes_dir . $theme ) ) {
 | 
						|
			if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) ) {
 | 
						|
				return false;
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		return true;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Gets the WP_Theme object for a theme.
 | 
						|
	 *
 | 
						|
	 * @since 2.8.0
 | 
						|
	 * @since 3.0.0 The `$theme` argument was added.
 | 
						|
	 *
 | 
						|
	 * @param string $theme The directory name of the theme. This is optional, and if not supplied,
 | 
						|
	 *                      the directory name from the last result will be used.
 | 
						|
	 * @return WP_Theme|false The theme's info object, or false `$theme` is not supplied
 | 
						|
	 *                        and the last result isn't set.
 | 
						|
	 */
 | 
						|
	public function theme_info( $theme = null ) {
 | 
						|
		if ( empty( $theme ) ) {
 | 
						|
			if ( ! empty( $this->result['destination_name'] ) ) {
 | 
						|
				$theme = $this->result['destination_name'];
 | 
						|
			} else {
 | 
						|
				return false;
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		$theme = wp_get_theme( $theme );
 | 
						|
		$theme->cache_delete();
 | 
						|
 | 
						|
		return $theme;
 | 
						|
	}
 | 
						|
}
 |