wp/wp-admin/includes/class-theme-upgrader.php
changeset 9 177826044cd9
parent 7 cf61fcea0001
child 16 a86126ab1dd4
equal deleted inserted replaced
8:c7c34916027a 9:177826044cd9
    41 	 * Initialize the upgrade strings.
    41 	 * Initialize the upgrade strings.
    42 	 *
    42 	 *
    43 	 * @since 2.8.0
    43 	 * @since 2.8.0
    44 	 */
    44 	 */
    45 	public function upgrade_strings() {
    45 	public function upgrade_strings() {
    46 		$this->strings['up_to_date'] = __('The theme is at the latest version.');
    46 		$this->strings['up_to_date'] = __( 'The theme is at the latest version.' );
    47 		$this->strings['no_package'] = __('Update package not available.');
    47 		$this->strings['no_package'] = __( 'Update package not available.' );
    48 		/* translators: %s: package URL */
    48 		/* translators: %s: package URL */
    49 		$this->strings['downloading_package'] = sprintf( __( 'Downloading update from %s&#8230;' ), '<span class="code">%s</span>' );
    49 		$this->strings['downloading_package'] = sprintf( __( 'Downloading update from %s&#8230;' ), '<span class="code">%s</span>' );
    50 		$this->strings['unpack_package'] = __('Unpacking the update&#8230;');
    50 		$this->strings['unpack_package']      = __( 'Unpacking the update&#8230;' );
    51 		$this->strings['remove_old'] = __('Removing the old version of the theme&#8230;');
    51 		$this->strings['remove_old']          = __( 'Removing the old version of the theme&#8230;' );
    52 		$this->strings['remove_old_failed'] = __('Could not remove the old theme.');
    52 		$this->strings['remove_old_failed']   = __( 'Could not remove the old theme.' );
    53 		$this->strings['process_failed'] = __('Theme update failed.');
    53 		$this->strings['process_failed']      = __( 'Theme update failed.' );
    54 		$this->strings['process_success'] = __('Theme updated successfully.');
    54 		$this->strings['process_success']     = __( 'Theme updated successfully.' );
    55 	}
    55 	}
    56 
    56 
    57 	/**
    57 	/**
    58 	 * Initialize the installation strings.
    58 	 * Initialize the installation strings.
    59 	 *
    59 	 *
    60 	 * @since 2.8.0
    60 	 * @since 2.8.0
    61 	 */
    61 	 */
    62 	public function install_strings() {
    62 	public function install_strings() {
    63 		$this->strings['no_package'] = __('Installation package not available.');
    63 		$this->strings['no_package'] = __( 'Installation package not available.' );
    64 		/* translators: %s: package URL */
    64 		/* translators: %s: package URL */
    65 		$this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s&#8230;' ), '<span class="code">%s</span>' );
    65 		$this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s&#8230;' ), '<span class="code">%s</span>' );
    66 		$this->strings['unpack_package'] = __('Unpacking the package&#8230;');
    66 		$this->strings['unpack_package']      = __( 'Unpacking the package&#8230;' );
    67 		$this->strings['installing_package'] = __('Installing the theme&#8230;');
    67 		$this->strings['installing_package']  = __( 'Installing the theme&#8230;' );
    68 		$this->strings['no_files'] = __('The theme contains no files.');
    68 		$this->strings['no_files']            = __( 'The theme contains no files.' );
    69 		$this->strings['process_failed'] = __('Theme installation failed.');
    69 		$this->strings['process_failed']      = __( 'Theme installation failed.' );
    70 		$this->strings['process_success'] = __('Theme installed successfully.');
    70 		$this->strings['process_success']     = __( 'Theme installed successfully.' );
    71 		/* translators: 1: theme name, 2: version */
    71 		/* translators: 1: theme name, 2: version */
    72 		$this->strings['process_success_specific'] = __('Successfully installed the theme <strong>%1$s %2$s</strong>.');
    72 		$this->strings['process_success_specific'] = __( 'Successfully installed the theme <strong>%1$s %2$s</strong>.' );
    73 		$this->strings['parent_theme_search'] = __('This theme requires a parent theme. Checking if it is installed&#8230;');
    73 		$this->strings['parent_theme_search']      = __( 'This theme requires a parent theme. Checking if it is installed&#8230;' );
    74 		/* translators: 1: theme name, 2: version */
    74 		/* translators: 1: theme name, 2: version */
    75 		$this->strings['parent_theme_prepare_install'] = __('Preparing to install <strong>%1$s %2$s</strong>&#8230;');
    75 		$this->strings['parent_theme_prepare_install'] = __( 'Preparing to install <strong>%1$s %2$s</strong>&#8230;' );
    76 		/* translators: 1: theme name, 2: version */
    76 		/* translators: 1: theme name, 2: version */
    77 		$this->strings['parent_theme_currently_installed'] = __('The parent theme, <strong>%1$s %2$s</strong>, is currently installed.');
    77 		$this->strings['parent_theme_currently_installed'] = __( 'The parent theme, <strong>%1$s %2$s</strong>, is currently installed.' );
    78 		/* translators: 1: theme name, 2: version */
    78 		/* translators: 1: theme name, 2: version */
    79 		$this->strings['parent_theme_install_success'] = __('Successfully installed the parent theme, <strong>%1$s %2$s</strong>.');
    79 		$this->strings['parent_theme_install_success'] = __( 'Successfully installed the parent theme, <strong>%1$s %2$s</strong>.' );
    80 		/* translators: %s: theme name */
    80 		/* translators: %s: theme name */
    81 		$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>' );
    81 		$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>' );
    82 	}
    82 	}
    83 
    83 
    84 	/**
    84 	/**
    95 	 */
    95 	 */
    96 	public function check_parent_theme_filter( $install_result, $hook_extra, $child_result ) {
    96 	public function check_parent_theme_filter( $install_result, $hook_extra, $child_result ) {
    97 		// Check to see if we need to install a parent theme
    97 		// Check to see if we need to install a parent theme
    98 		$theme_info = $this->theme_info();
    98 		$theme_info = $this->theme_info();
    99 
    99 
   100 		if ( ! $theme_info->parent() )
   100 		if ( ! $theme_info->parent() ) {
   101 			return $install_result;
   101 			return $install_result;
       
   102 		}
   102 
   103 
   103 		$this->skin->feedback( 'parent_theme_search' );
   104 		$this->skin->feedback( 'parent_theme_search' );
   104 
   105 
   105 		if ( ! $theme_info->parent()->errors() ) {
   106 		if ( ! $theme_info->parent()->errors() ) {
   106 			$this->skin->feedback( 'parent_theme_currently_installed', $theme_info->parent()->display('Name'), $theme_info->parent()->display('Version') );
   107 			$this->skin->feedback( 'parent_theme_currently_installed', $theme_info->parent()->display( 'Name' ), $theme_info->parent()->display( 'Version' ) );
   107 			// We already have the theme, fall through.
   108 			// We already have the theme, fall through.
   108 			return $install_result;
   109 			return $install_result;
   109 		}
   110 		}
   110 
   111 
   111 		// We don't have the parent theme, let's install it.
   112 		// We don't have the parent theme, let's install it.
   112 		$api = themes_api('theme_information', array('slug' => $theme_info->get('Template'), 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth.
   113 		$api = themes_api(
   113 
   114 			'theme_information',
   114 		if ( ! $api || is_wp_error($api) ) {
   115 			array(
   115 			$this->skin->feedback( 'parent_theme_not_found', $theme_info->get('Template') );
   116 				'slug'   => $theme_info->get( 'Template' ),
       
   117 				'fields' => array(
       
   118 					'sections' => false,
       
   119 					'tags'     => false,
       
   120 				),
       
   121 			)
       
   122 		); //Save on a bit of bandwidth.
       
   123 
       
   124 		if ( ! $api || is_wp_error( $api ) ) {
       
   125 			$this->skin->feedback( 'parent_theme_not_found', $theme_info->get( 'Template' ) );
   116 			// Don't show activate or preview actions after installation
   126 			// Don't show activate or preview actions after installation
   117 			add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') );
   127 			add_filter( 'install_theme_complete_actions', array( $this, 'hide_activate_preview_actions' ) );
   118 			return $install_result;
   128 			return $install_result;
   119 		}
   129 		}
   120 
   130 
   121 		// Backup required data we're going to override:
   131 		// Backup required data we're going to override:
   122 		$child_api = $this->skin->api;
   132 		$child_api             = $this->skin->api;
   123 		$child_success_message = $this->strings['process_success'];
   133 		$child_success_message = $this->strings['process_success'];
   124 
   134 
   125 		// Override them
   135 		// Override them
   126 		$this->skin->api = $api;
   136 		$this->skin->api                           = $api;
   127 		$this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];//, $api->name, $api->version);
   137 		$this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];//, $api->name, $api->version);
   128 
   138 
   129 		$this->skin->feedback('parent_theme_prepare_install', $api->name, $api->version);
   139 		$this->skin->feedback( 'parent_theme_prepare_install', $api->name, $api->version );
   130 
   140 
   131 		add_filter('install_theme_complete_actions', '__return_false', 999); // Don't show any actions after installing the theme.
   141 		add_filter( 'install_theme_complete_actions', '__return_false', 999 ); // Don't show any actions after installing the theme.
   132 
   142 
   133 		// Install the parent theme
   143 		// Install the parent theme
   134 		$parent_result = $this->run( array(
   144 		$parent_result = $this->run(
   135 			'package' => $api->download_link,
   145 			array(
   136 			'destination' => get_theme_root(),
   146 				'package'           => $api->download_link,
   137 			'clear_destination' => false, //Do not overwrite files.
   147 				'destination'       => get_theme_root(),
   138 			'clear_working' => true
   148 				'clear_destination' => false, //Do not overwrite files.
   139 		) );
   149 				'clear_working'     => true,
   140 
   150 			)
   141 		if ( is_wp_error($parent_result) )
   151 		);
   142 			add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') );
   152 
       
   153 		if ( is_wp_error( $parent_result ) ) {
       
   154 			add_filter( 'install_theme_complete_actions', array( $this, 'hide_activate_preview_actions' ) );
       
   155 		}
   143 
   156 
   144 		// Start cleaning up after the parents installation
   157 		// Start cleaning up after the parents installation
   145 		remove_filter('install_theme_complete_actions', '__return_false', 999);
   158 		remove_filter( 'install_theme_complete_actions', '__return_false', 999 );
   146 
   159 
   147 		// Reset child's result and data
   160 		// Reset child's result and data
   148 		$this->result = $child_result;
   161 		$this->result                     = $child_result;
   149 		$this->skin->api = $child_api;
   162 		$this->skin->api                  = $child_api;
   150 		$this->strings['process_success'] = $child_success_message;
   163 		$this->strings['process_success'] = $child_success_message;
   151 
   164 
   152 		return $install_result;
   165 		return $install_result;
   153 	}
   166 	}
   154 
   167 
   163 	 *
   176 	 *
   164 	 * @param array $actions Preview actions.
   177 	 * @param array $actions Preview actions.
   165 	 * @return array
   178 	 * @return array
   166 	 */
   179 	 */
   167 	public function hide_activate_preview_actions( $actions ) {
   180 	public function hide_activate_preview_actions( $actions ) {
   168 		unset($actions['activate'], $actions['preview']);
   181 		unset( $actions['activate'], $actions['preview'] );
   169 		return $actions;
   182 		return $actions;
   170 	}
   183 	}
   171 
   184 
   172 	/**
   185 	/**
   173 	 * Install a theme package.
   186 	 * Install a theme package.
   185 	 *
   198 	 *
   186 	 * @return bool|WP_Error True if the installation was successful, false or a WP_Error object otherwise.
   199 	 * @return bool|WP_Error True if the installation was successful, false or a WP_Error object otherwise.
   187 	 */
   200 	 */
   188 	public function install( $package, $args = array() ) {
   201 	public function install( $package, $args = array() ) {
   189 
   202 
   190 		$defaults = array(
   203 		$defaults    = array(
   191 			'clear_update_cache' => true,
   204 			'clear_update_cache' => true,
   192 		);
   205 		);
   193 		$parsed_args = wp_parse_args( $args, $defaults );
   206 		$parsed_args = wp_parse_args( $args, $defaults );
   194 
   207 
   195 		$this->init();
   208 		$this->init();
   196 		$this->install_strings();
   209 		$this->install_strings();
   197 
   210 
   198 		add_filter('upgrader_source_selection', array($this, 'check_package') );
   211 		add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
   199 		add_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'), 10, 3);
   212 		add_filter( 'upgrader_post_install', array( $this, 'check_parent_theme_filter' ), 10, 3 );
   200 		if ( $parsed_args['clear_update_cache'] ) {
   213 		if ( $parsed_args['clear_update_cache'] ) {
   201 			// Clear cache so wp_update_themes() knows about the new theme.
   214 			// Clear cache so wp_update_themes() knows about the new theme.
   202 			add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
   215 			add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
   203 		}
   216 		}
   204 
   217 
   205 		$this->run( array(
   218 		$this->run(
   206 			'package' => $package,
   219 			array(
   207 			'destination' => get_theme_root(),
   220 				'package'           => $package,
   208 			'clear_destination' => false, //Do not overwrite files.
   221 				'destination'       => get_theme_root(),
   209 			'clear_working' => true,
   222 				'clear_destination' => false, //Do not overwrite files.
   210 			'hook_extra' => array(
   223 				'clear_working'     => true,
   211 				'type' => 'theme',
   224 				'hook_extra'        => array(
   212 				'action' => 'install',
   225 					'type'   => 'theme',
   213 			),
   226 					'action' => 'install',
   214 		) );
   227 				),
       
   228 			)
       
   229 		);
   215 
   230 
   216 		remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
   231 		remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
   217 		remove_filter('upgrader_source_selection', array($this, 'check_package') );
   232 		remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
   218 		remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'));
   233 		remove_filter( 'upgrader_post_install', array( $this, 'check_parent_theme_filter' ) );
   219 
   234 
   220 		if ( ! $this->result || is_wp_error($this->result) )
   235 		if ( ! $this->result || is_wp_error( $this->result ) ) {
   221 			return $this->result;
   236 			return $this->result;
       
   237 		}
   222 
   238 
   223 		// Refresh the Theme Update information
   239 		// Refresh the Theme Update information
   224 		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
   240 		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
   225 
   241 
   226 		return true;
   242 		return true;
   241 	 * }
   257 	 * }
   242 	 * @return bool|WP_Error True if the upgrade was successful, false or a WP_Error object otherwise.
   258 	 * @return bool|WP_Error True if the upgrade was successful, false or a WP_Error object otherwise.
   243 	 */
   259 	 */
   244 	public function upgrade( $theme, $args = array() ) {
   260 	public function upgrade( $theme, $args = array() ) {
   245 
   261 
   246 		$defaults = array(
   262 		$defaults    = array(
   247 			'clear_update_cache' => true,
   263 			'clear_update_cache' => true,
   248 		);
   264 		);
   249 		$parsed_args = wp_parse_args( $args, $defaults );
   265 		$parsed_args = wp_parse_args( $args, $defaults );
   250 
   266 
   251 		$this->init();
   267 		$this->init();
   252 		$this->upgrade_strings();
   268 		$this->upgrade_strings();
   253 
   269 
   254 		// Is an update available?
   270 		// Is an update available?
   255 		$current = get_site_transient( 'update_themes' );
   271 		$current = get_site_transient( 'update_themes' );
   256 		if ( !isset( $current->response[ $theme ] ) ) {
   272 		if ( ! isset( $current->response[ $theme ] ) ) {
   257 			$this->skin->before();
   273 			$this->skin->before();
   258 			$this->skin->set_result(false);
   274 			$this->skin->set_result( false );
   259 			$this->skin->error( 'up_to_date' );
   275 			$this->skin->error( 'up_to_date' );
   260 			$this->skin->after();
   276 			$this->skin->after();
   261 			return false;
   277 			return false;
   262 		}
   278 		}
   263 
   279 
   264 		$r = $current->response[ $theme ];
   280 		$r = $current->response[ $theme ];
   265 
   281 
   266 		add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2);
   282 		add_filter( 'upgrader_pre_install', array( $this, 'current_before' ), 10, 2 );
   267 		add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2);
   283 		add_filter( 'upgrader_post_install', array( $this, 'current_after' ), 10, 2 );
   268 		add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4);
   284 		add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_theme' ), 10, 4 );
   269 		if ( $parsed_args['clear_update_cache'] ) {
   285 		if ( $parsed_args['clear_update_cache'] ) {
   270 			// Clear cache so wp_update_themes() knows about the new theme.
   286 			// Clear cache so wp_update_themes() knows about the new theme.
   271 			add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
   287 			add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
   272 		}
   288 		}
   273 
   289 
   274 		$this->run( array(
   290 		$this->run(
   275 			'package' => $r['package'],
   291 			array(
   276 			'destination' => get_theme_root( $theme ),
   292 				'package'           => $r['package'],
   277 			'clear_destination' => true,
   293 				'destination'       => get_theme_root( $theme ),
   278 			'clear_working' => true,
   294 				'clear_destination' => true,
   279 			'hook_extra' => array(
   295 				'clear_working'     => true,
   280 				'theme' => $theme,
   296 				'hook_extra'        => array(
   281 				'type' => 'theme',
   297 					'theme'  => $theme,
   282 				'action' => 'update',
   298 					'type'   => 'theme',
   283 			),
   299 					'action' => 'update',
   284 		) );
   300 				),
       
   301 			)
       
   302 		);
   285 
   303 
   286 		remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
   304 		remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
   287 		remove_filter('upgrader_pre_install', array($this, 'current_before'));
   305 		remove_filter( 'upgrader_pre_install', array( $this, 'current_before' ) );
   288 		remove_filter('upgrader_post_install', array($this, 'current_after'));
   306 		remove_filter( 'upgrader_post_install', array( $this, 'current_after' ) );
   289 		remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));
   307 		remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_theme' ) );
   290 
   308 
   291 		if ( ! $this->result || is_wp_error($this->result) )
   309 		if ( ! $this->result || is_wp_error( $this->result ) ) {
   292 			return $this->result;
   310 			return $this->result;
       
   311 		}
   293 
   312 
   294 		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
   313 		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
   295 
   314 
   296 		return true;
   315 		return true;
   297 	}
   316 	}
   300 	 * Upgrade several themes at once.
   319 	 * Upgrade several themes at once.
   301 	 *
   320 	 *
   302 	 * @since 3.0.0
   321 	 * @since 3.0.0
   303 	 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
   322 	 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
   304 	 *
   323 	 *
   305 	 * @param array $themes The theme slugs.
   324 	 * @param string[] $themes Array of the theme slugs.
   306 	 * @param array $args {
   325 	 * @param array    $args {
   307 	 *     Optional. Other arguments for upgrading several themes at once. Default empty array.
   326 	 *     Optional. Other arguments for upgrading several themes at once. Default empty array.
   308 	 *
   327 	 *
   309 	 *     @type bool $clear_update_cache Whether to clear the update cache if successful.
   328 	 *     @type bool $clear_update_cache Whether to clear the update cache if successful.
   310 	 *                                    Default true.
   329 	 *                                    Default true.
   311 	 * }
   330 	 * }
   312 	 * @return array[]|false An array of results, or false if unable to connect to the filesystem.
   331 	 * @return array[]|false An array of results, or false if unable to connect to the filesystem.
   313 	 */
   332 	 */
   314 	public function bulk_upgrade( $themes, $args = array() ) {
   333 	public function bulk_upgrade( $themes, $args = array() ) {
   315 
   334 
   316 		$defaults = array(
   335 		$defaults    = array(
   317 			'clear_update_cache' => true,
   336 			'clear_update_cache' => true,
   318 		);
   337 		);
   319 		$parsed_args = wp_parse_args( $args, $defaults );
   338 		$parsed_args = wp_parse_args( $args, $defaults );
   320 
   339 
   321 		$this->init();
   340 		$this->init();
   322 		$this->bulk = true;
   341 		$this->bulk = true;
   323 		$this->upgrade_strings();
   342 		$this->upgrade_strings();
   324 
   343 
   325 		$current = get_site_transient( 'update_themes' );
   344 		$current = get_site_transient( 'update_themes' );
   326 
   345 
   327 		add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2);
   346 		add_filter( 'upgrader_pre_install', array( $this, 'current_before' ), 10, 2 );
   328 		add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2);
   347 		add_filter( 'upgrader_post_install', array( $this, 'current_after' ), 10, 2 );
   329 		add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4);
   348 		add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_theme' ), 10, 4 );
   330 
   349 
   331 		$this->skin->header();
   350 		$this->skin->header();
   332 
   351 
   333 		// Connect to the Filesystem first.
   352 		// Connect to the Filesystem first.
   334 		$res = $this->fs_connect( array(WP_CONTENT_DIR) );
   353 		$res = $this->fs_connect( array( WP_CONTENT_DIR ) );
   335 		if ( ! $res ) {
   354 		if ( ! $res ) {
   336 			$this->skin->footer();
   355 			$this->skin->footer();
   337 			return false;
   356 			return false;
   338 		}
   357 		}
   339 
   358 
   342 		// Only start maintenance mode if:
   361 		// Only start maintenance mode if:
   343 		// - running Multisite and there are one or more themes specified, OR
   362 		// - running Multisite and there are one or more themes specified, OR
   344 		// - a theme with an update available is currently in use.
   363 		// - a theme with an update available is currently in use.
   345 		// @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible.
   364 		// @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible.
   346 		$maintenance = ( is_multisite() && ! empty( $themes ) );
   365 		$maintenance = ( is_multisite() && ! empty( $themes ) );
   347 		foreach ( $themes as $theme )
   366 		foreach ( $themes as $theme ) {
   348 			$maintenance = $maintenance || $theme == get_stylesheet() || $theme == get_template();
   367 			$maintenance = $maintenance || $theme == get_stylesheet() || $theme == get_template();
   349 		if ( $maintenance )
   368 		}
   350 			$this->maintenance_mode(true);
   369 		if ( $maintenance ) {
       
   370 			$this->maintenance_mode( true );
       
   371 		}
   351 
   372 
   352 		$results = array();
   373 		$results = array();
   353 
   374 
   354 		$this->update_count = count($themes);
   375 		$this->update_count   = count( $themes );
   355 		$this->update_current = 0;
   376 		$this->update_current = 0;
   356 		foreach ( $themes as $theme ) {
   377 		foreach ( $themes as $theme ) {
   357 			$this->update_current++;
   378 			$this->update_current++;
   358 
   379 
   359 			$this->skin->theme_info = $this->theme_info($theme);
   380 			$this->skin->theme_info = $this->theme_info( $theme );
   360 
   381 
   361 			if ( !isset( $current->response[ $theme ] ) ) {
   382 			if ( ! isset( $current->response[ $theme ] ) ) {
   362 				$this->skin->set_result(true);
   383 				$this->skin->set_result( true );
   363 				$this->skin->before();
   384 				$this->skin->before();
   364 				$this->skin->feedback( 'up_to_date' );
   385 				$this->skin->feedback( 'up_to_date' );
   365 				$this->skin->after();
   386 				$this->skin->after();
   366 				$results[$theme] = true;
   387 				$results[ $theme ] = true;
   367 				continue;
   388 				continue;
   368 			}
   389 			}
   369 
   390 
   370 			// Get the URL to the zip file
   391 			// Get the URL to the zip file
   371 			$r = $current->response[ $theme ];
   392 			$r = $current->response[ $theme ];
   372 
   393 
   373 			$result = $this->run( array(
   394 			$result = $this->run(
   374 				'package' => $r['package'],
   395 				array(
   375 				'destination' => get_theme_root( $theme ),
   396 					'package'           => $r['package'],
   376 				'clear_destination' => true,
   397 					'destination'       => get_theme_root( $theme ),
   377 				'clear_working' => true,
   398 					'clear_destination' => true,
   378 				'is_multi' => true,
   399 					'clear_working'     => true,
   379 				'hook_extra' => array(
   400 					'is_multi'          => true,
   380 					'theme' => $theme
   401 					'hook_extra'        => array(
   381 				),
   402 						'theme' => $theme,
   382 			) );
   403 					),
   383 
   404 				)
   384 			$results[$theme] = $this->result;
   405 			);
       
   406 
       
   407 			$results[ $theme ] = $this->result;
   385 
   408 
   386 			// Prevent credentials auth screen from displaying multiple times
   409 			// Prevent credentials auth screen from displaying multiple times
   387 			if ( false === $result )
   410 			if ( false === $result ) {
   388 				break;
   411 				break;
       
   412 			}
   389 		} //end foreach $plugins
   413 		} //end foreach $plugins
   390 
   414 
   391 		$this->maintenance_mode(false);
   415 		$this->maintenance_mode( false );
   392 
   416 
   393 		// Refresh the Theme Update information
   417 		// Refresh the Theme Update information
   394 		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
   418 		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
   395 
   419 
   396 		/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
   420 		/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
   397 		do_action( 'upgrader_process_complete', $this, array(
   421 		do_action(
   398 			'action' => 'update',
   422 			'upgrader_process_complete',
   399 			'type' => 'theme',
   423 			$this,
   400 			'bulk' => true,
   424 			array(
   401 			'themes' => $themes,
   425 				'action' => 'update',
   402 		) );
   426 				'type'   => 'theme',
       
   427 				'bulk'   => true,
       
   428 				'themes' => $themes,
       
   429 			)
       
   430 		);
   403 
   431 
   404 		$this->skin->bulk_footer();
   432 		$this->skin->bulk_footer();
   405 
   433 
   406 		$this->skin->footer();
   434 		$this->skin->footer();
   407 
   435 
   408 		// Cleanup our hooks, in case something else does a upgrade on this connection.
   436 		// Cleanup our hooks, in case something else does a upgrade on this connection.
   409 		remove_filter('upgrader_pre_install', array($this, 'current_before'));
   437 		remove_filter( 'upgrader_pre_install', array( $this, 'current_before' ) );
   410 		remove_filter('upgrader_post_install', array($this, 'current_after'));
   438 		remove_filter( 'upgrader_post_install', array( $this, 'current_after' ) );
   411 		remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));
   439 		remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_theme' ) );
   412 
   440 
   413 		return $results;
   441 		return $results;
   414 	}
   442 	}
   415 
   443 
   416 	/**
   444 	/**
   420 	 * It will return an error if the theme doesn't have style.css or index.php
   448 	 * It will return an error if the theme doesn't have style.css or index.php
   421 	 * files.
   449 	 * files.
   422 	 *
   450 	 *
   423 	 * @since 3.3.0
   451 	 * @since 3.3.0
   424 	 *
   452 	 *
   425 	 * @global WP_Filesystem_Base $wp_filesystem Subclass
   453 	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
   426 	 *
   454 	 *
   427 	 * @param string $source The full path to the package source.
   455 	 * @param string $source The full path to the package source.
   428 	 * @return string|WP_Error The source or a WP_Error.
   456 	 * @return string|WP_Error The source or a WP_Error.
   429 	 */
   457 	 */
   430 	public function check_package( $source ) {
   458 	public function check_package( $source ) {
   431 		global $wp_filesystem;
   459 		global $wp_filesystem;
   432 
   460 
   433 		if ( is_wp_error($source) )
   461 		if ( is_wp_error( $source ) ) {
   434 			return $source;
   462 			return $source;
       
   463 		}
   435 
   464 
   436 		// Check the folder contains a valid theme
   465 		// Check the folder contains a valid theme
   437 		$working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source);
   466 		$working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit( WP_CONTENT_DIR ), $source );
   438 		if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, let's not prevent installation.
   467 		if ( ! is_dir( $working_directory ) ) { // Sanity check, if the above fails, let's not prevent installation.
   439 			return $source;
   468 			return $source;
       
   469 		}
   440 
   470 
   441 		// A proper archive should have a style.css file in the single subdirectory
   471 		// A proper archive should have a style.css file in the single subdirectory
   442 		if ( ! file_exists( $working_directory . 'style.css' ) ) {
   472 		if ( ! file_exists( $working_directory . 'style.css' ) ) {
   443 			return new WP_Error( 'incompatible_archive_theme_no_style', $this->strings['incompatible_archive'],
   473 			return new WP_Error(
   444 				/* translators: %s: style.css */
   474 				'incompatible_archive_theme_no_style',
   445 				sprintf( __( 'The theme is missing the %s stylesheet.' ),
   475 				$this->strings['incompatible_archive'],
       
   476 				sprintf(
       
   477 					/* translators: %s: style.css */
       
   478 					__( 'The theme is missing the %s stylesheet.' ),
   446 					'<code>style.css</code>'
   479 					'<code>style.css</code>'
   447 				)
   480 				)
   448 			);
   481 			);
   449 		}
   482 		}
   450 
   483 
   451 		$info = get_file_data( $working_directory . 'style.css', array( 'Name' => 'Theme Name', 'Template' => 'Template' ) );
   484 		$info = get_file_data(
       
   485 			$working_directory . 'style.css',
       
   486 			array(
       
   487 				'Name'     => 'Theme Name',
       
   488 				'Template' => 'Template',
       
   489 			)
       
   490 		);
   452 
   491 
   453 		if ( empty( $info['Name'] ) ) {
   492 		if ( empty( $info['Name'] ) ) {
   454 			return new WP_Error( 'incompatible_archive_theme_no_name', $this->strings['incompatible_archive'],
   493 			return new WP_Error(
   455 				/* translators: %s: style.css */
   494 				'incompatible_archive_theme_no_name',
   456 				sprintf( __( 'The %s stylesheet doesn&#8217;t contain a valid theme header.' ),
   495 				$this->strings['incompatible_archive'],
       
   496 				sprintf(
       
   497 					/* translators: %s: style.css */
       
   498 					__( 'The %s stylesheet doesn&#8217;t contain a valid theme header.' ),
   457 					'<code>style.css</code>'
   499 					'<code>style.css</code>'
   458 				)
   500 				)
   459 			);
   501 			);
   460 		}
   502 		}
   461 
   503 
   462 		// If it's not a child theme, it must have at least an index.php to be legit.
   504 		// If it's not a child theme, it must have at least an index.php to be legit.
   463 		if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) ) {
   505 		if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) ) {
   464 			return new WP_Error( 'incompatible_archive_theme_no_index', $this->strings['incompatible_archive'],
   506 			return new WP_Error(
   465 				/* translators: %s: index.php */
   507 				'incompatible_archive_theme_no_index',
   466 				sprintf( __( 'The theme is missing the %s file.' ),
   508 				$this->strings['incompatible_archive'],
       
   509 				sprintf(
       
   510 					/* translators: %s: index.php */
       
   511 					__( 'The theme is missing the %s file.' ),
   467 					'<code>index.php</code>'
   512 					'<code>index.php</code>'
   468 				)
   513 				)
   469 			);
   514 			);
   470 		}
   515 		}
   471 
   516 
   482 	 *
   527 	 *
   483 	 * @param bool|WP_Error  $return
   528 	 * @param bool|WP_Error  $return
   484 	 * @param array          $theme
   529 	 * @param array          $theme
   485 	 * @return bool|WP_Error
   530 	 * @return bool|WP_Error
   486 	 */
   531 	 */
   487 	public function current_before($return, $theme) {
   532 	public function current_before( $return, $theme ) {
   488 		if ( is_wp_error($return) )
   533 		if ( is_wp_error( $return ) ) {
   489 			return $return;
   534 			return $return;
   490 
   535 		}
   491 		$theme = isset($theme['theme']) ? $theme['theme'] : '';
   536 
   492 
   537 		$theme = isset( $theme['theme'] ) ? $theme['theme'] : '';
   493 		if ( $theme != get_stylesheet() ) //If not current
   538 
       
   539 		if ( $theme != get_stylesheet() ) { //If not current
   494 			return $return;
   540 			return $return;
       
   541 		}
   495 		//Change to maintenance mode now.
   542 		//Change to maintenance mode now.
   496 		if ( ! $this->bulk )
   543 		if ( ! $this->bulk ) {
   497 			$this->maintenance_mode(true);
   544 			$this->maintenance_mode( true );
       
   545 		}
   498 
   546 
   499 		return $return;
   547 		return $return;
   500 	}
   548 	}
   501 
   549 
   502 	/**
   550 	/**
   509 	 *
   557 	 *
   510 	 * @param bool|WP_Error  $return
   558 	 * @param bool|WP_Error  $return
   511 	 * @param array          $theme
   559 	 * @param array          $theme
   512 	 * @return bool|WP_Error
   560 	 * @return bool|WP_Error
   513 	 */
   561 	 */
   514 	public function current_after($return, $theme) {
   562 	public function current_after( $return, $theme ) {
   515 		if ( is_wp_error($return) )
   563 		if ( is_wp_error( $return ) ) {
   516 			return $return;
   564 			return $return;
   517 
   565 		}
   518 		$theme = isset($theme['theme']) ? $theme['theme'] : '';
   566 
   519 
   567 		$theme = isset( $theme['theme'] ) ? $theme['theme'] : '';
   520 		if ( $theme != get_stylesheet() ) // If not current
   568 
       
   569 		if ( $theme != get_stylesheet() ) { // If not current
   521 			return $return;
   570 			return $return;
       
   571 		}
   522 
   572 
   523 		// Ensure stylesheet name hasn't changed after the upgrade:
   573 		// Ensure stylesheet name hasn't changed after the upgrade:
   524 		if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) {
   574 		if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) {
   525 			wp_clean_themes_cache();
   575 			wp_clean_themes_cache();
   526 			$stylesheet = $this->result['destination_name'];
   576 			$stylesheet = $this->result['destination_name'];
   527 			switch_theme( $stylesheet );
   577 			switch_theme( $stylesheet );
   528 		}
   578 		}
   529 
   579 
   530 		//Time to remove maintenance mode
   580 		//Time to remove maintenance mode
   531 		if ( ! $this->bulk )
   581 		if ( ! $this->bulk ) {
   532 			$this->maintenance_mode(false);
   582 			$this->maintenance_mode( false );
       
   583 		}
   533 		return $return;
   584 		return $return;
   534 	}
   585 	}
   535 
   586 
   536 	/**
   587 	/**
   537 	 * Delete the old theme during an upgrade.
   588 	 * Delete the old theme during an upgrade.
   550 	 * @return bool
   601 	 * @return bool
   551 	 */
   602 	 */
   552 	public function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) {
   603 	public function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) {
   553 		global $wp_filesystem;
   604 		global $wp_filesystem;
   554 
   605 
   555 		if ( is_wp_error( $removed ) )
   606 		if ( is_wp_error( $removed ) ) {
   556 			return $removed; // Pass errors through.
   607 			return $removed; // Pass errors through.
   557 
   608 		}
   558 		if ( ! isset( $theme['theme'] ) )
   609 
       
   610 		if ( ! isset( $theme['theme'] ) ) {
   559 			return $removed;
   611 			return $removed;
   560 
   612 		}
   561 		$theme = $theme['theme'];
   613 
       
   614 		$theme      = $theme['theme'];
   562 		$themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) );
   615 		$themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) );
   563 		if ( $wp_filesystem->exists( $themes_dir . $theme ) ) {
   616 		if ( $wp_filesystem->exists( $themes_dir . $theme ) ) {
   564 			if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) )
   617 			if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) ) {
   565 				return false;
   618 				return false;
       
   619 			}
   566 		}
   620 		}
   567 
   621 
   568 		return true;
   622 		return true;
   569 	}
   623 	}
   570 
   624 
   577 	 * @param string $theme The directory name of the theme. This is optional, and if not supplied,
   631 	 * @param string $theme The directory name of the theme. This is optional, and if not supplied,
   578 	 *                      the directory name from the last result will be used.
   632 	 *                      the directory name from the last result will be used.
   579 	 * @return WP_Theme|false The theme's info object, or false `$theme` is not supplied
   633 	 * @return WP_Theme|false The theme's info object, or false `$theme` is not supplied
   580 	 *                        and the last result isn't set.
   634 	 *                        and the last result isn't set.
   581 	 */
   635 	 */
   582 	public function theme_info($theme = null) {
   636 	public function theme_info( $theme = null ) {
   583 
   637 
   584 		if ( empty($theme) ) {
   638 		if ( empty( $theme ) ) {
   585 			if ( !empty($this->result['destination_name']) )
   639 			if ( ! empty( $this->result['destination_name'] ) ) {
   586 				$theme = $this->result['destination_name'];
   640 				$theme = $this->result['destination_name'];
   587 			else
   641 			} else {
   588 				return false;
   642 				return false;
       
   643 			}
   589 		}
   644 		}
   590 		return wp_get_theme( $theme );
   645 		return wp_get_theme( $theme );
   591 	}
   646 	}
   592 
   647 
   593 }
   648 }