]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-admin/includes/class-language-pack-upgrader.php
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[autoinstalls/wordpress.git] / wp-admin / includes / class-language-pack-upgrader.php
diff --git a/wp-admin/includes/class-language-pack-upgrader.php b/wp-admin/includes/class-language-pack-upgrader.php
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+<?php
+/**
+ * Upgrade API: Language_Pack_Upgrader class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for updating/installing language packs (translations)
+ * for plugins, themes, and core.
+ *
+ * @since 3.7.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.
+ *
+ * @see WP_Upgrader
+ */
+class Language_Pack_Upgrader extends WP_Upgrader {
+
+       /**
+        * Result of the language pack upgrade.
+        *
+        * @since 3.7.0
+        * @access public
+        * @var array|WP_Error $result
+        * @see WP_Upgrader::$result
+        */
+       public $result;
+
+       /**
+        * Whether a bulk upgrade/install is being performed.
+        *
+        * @since 3.7.0
+        * @access public
+        * @var bool $bulk
+        */
+       public $bulk = true;
+
+       /**
+        * Asynchronously upgrades language packs after other upgrades have been made.
+        *
+        * Hooked to the {@see 'upgrader_process_complete'} action by default.
+        *
+        * @since 3.7.0
+        * @access public
+        * @static
+        *
+        * @param false|WP_Upgrader $upgrader Optional. WP_Upgrader instance or false. If `$upgrader` is
+        *                                    a Language_Pack_Upgrader instance, the method will bail to
+        *                                    avoid recursion. Otherwise unused. Default false.
+        */
+       public static function async_upgrade( $upgrader = false ) {
+               // Avoid recursion.
+               if ( $upgrader && $upgrader instanceof Language_Pack_Upgrader ) {
+                       return;
+               }
+
+               // Nothing to do?
+               $language_updates = wp_get_translation_updates();
+               if ( ! $language_updates ) {
+                       return;
+               }
+
+               /*
+                * Avoid messing with VCS installs, at least for now.
+                * Noted: this is not the ideal way to accomplish this.
+                */
+               $check_vcs = new WP_Automatic_Updater;
+               if ( $check_vcs->is_vcs_checkout( WP_CONTENT_DIR ) ) {
+                       return;
+               }
+
+               foreach ( $language_updates as $key => $language_update ) {
+                       $update = ! empty( $language_update->autoupdate );
+
+                       /**
+                        * Filters whether to asynchronously update translation for core, a plugin, or a theme.
+                        *
+                        * @since 4.0.0
+                        *
+                        * @param bool   $update          Whether to update.
+                        * @param object $language_update The update offer.
+                        */
+                       $update = apply_filters( 'async_update_translation', $update, $language_update );
+
+                       if ( ! $update ) {
+                               unset( $language_updates[ $key ] );
+                       }
+               }
+
+               if ( empty( $language_updates ) ) {
+                       return;
+               }
+
+               // Re-use the automatic upgrader skin if the parent upgrader is using it.
+               if ( $upgrader && $upgrader->skin instanceof Automatic_Upgrader_Skin ) {
+                       $skin = $upgrader->skin;
+               } else {
+                       $skin = new Language_Pack_Upgrader_Skin( array(
+                               'skip_header_footer' => true,
+                       ) );
+               }
+
+               $lp_upgrader = new Language_Pack_Upgrader( $skin );
+               $lp_upgrader->bulk_upgrade( $language_updates );
+       }
+
+       /**
+        * Initialize the upgrade strings.
+        *
+        * @since 3.7.0
+        * @access public
+        */
+       public function upgrade_strings() {
+               $this->strings['starting_upgrade'] = __( 'Some of your translations need updating. Sit tight for a few more seconds while we update them as well.' );
+               $this->strings['up_to_date'] = __( 'The translations are up to date.' );
+               $this->strings['no_package'] = __( 'Update package not available.' );
+               $this->strings['downloading_package'] = __( 'Downloading translation from <span class="code">%s</span>&#8230;' );
+               $this->strings['unpack_package'] = __( 'Unpacking the update&#8230;' );
+               $this->strings['process_failed'] = __( 'Translation update failed.' );
+               $this->strings['process_success'] = __( 'Translation updated successfully.' );
+       }
+
+       /**
+        * Upgrade a language pack.
+        *
+        * @since 3.7.0
+        * @access public
+        *
+        * @param string|false $update Optional. Whether an update offer is available. Default false.
+        * @param array        $args   Optional. Other optional arguments, see
+        *                             Language_Pack_Upgrader::bulk_upgrade(). Default empty array.
+        * @return array|bool|WP_Error The result of the upgrade, or a WP_Error object instead.
+        */
+       public function upgrade( $update = false, $args = array() ) {
+               if ( $update ) {
+                       $update = array( $update );
+               }
+
+               $results = $this->bulk_upgrade( $update, $args );
+
+               if ( ! is_array( $results ) ) {
+                       return $results;
+               }
+
+               return $results[0];
+       }
+
+       /**
+        * Bulk upgrade language packs.
+        *
+        * @since 3.7.0
+        * @access public
+        *
+        * @global WP_Filesystem_Base $wp_filesystem Subclass
+        *
+        * @param array $language_updates Optional. Language pack updates. Default empty array.
+        * @param array $args {
+        *     Optional. Other arguments for upgrading multiple language packs. Default empty array
+        *
+        *     @type bool $clear_update_cache Whether to clear the update cache when done.
+        *                                    Default true.
+        * }
+        * @return array|bool|WP_Error Will return an array of results, or true if there are no updates,
+        *                                   false or WP_Error for initial errors.
+        */
+       public function bulk_upgrade( $language_updates = array(), $args = array() ) {
+               global $wp_filesystem;
+
+               $defaults = array(
+                       'clear_update_cache' => true,
+               );
+               $parsed_args = wp_parse_args( $args, $defaults );
+
+               $this->init();
+               $this->upgrade_strings();
+
+               if ( ! $language_updates )
+                       $language_updates = wp_get_translation_updates();
+
+               if ( empty( $language_updates ) ) {
+                       $this->skin->header();
+                       $this->skin->set_result( true );
+                       $this->skin->feedback( 'up_to_date' );
+                       $this->skin->bulk_footer();
+                       $this->skin->footer();
+                       return true;
+               }
+
+               if ( 'upgrader_process_complete' == current_filter() )
+                       $this->skin->feedback( 'starting_upgrade' );
+
+               // Remove any existing upgrade filters from the plugin/theme upgraders #WP29425 & #WP29230
+               remove_all_filters( 'upgrader_pre_install' );
+               remove_all_filters( 'upgrader_clear_destination' );
+               remove_all_filters( 'upgrader_post_install' );
+               remove_all_filters( 'upgrader_source_selection' );
+
+               add_filter( 'upgrader_source_selection', array( $this, 'check_package' ), 10, 2 );
+
+               $this->skin->header();
+
+               // Connect to the Filesystem first.
+               $res = $this->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) );
+               if ( ! $res ) {
+                       $this->skin->footer();
+                       return false;
+               }
+
+               $results = array();
+
+               $this->update_count = count( $language_updates );
+               $this->update_current = 0;
+
+               /*
+                * The filesystem's mkdir() is not recursive. Make sure WP_LANG_DIR exists,
+                * as we then may need to create a /plugins or /themes directory inside of it.
+                */
+               $remote_destination = $wp_filesystem->find_folder( WP_LANG_DIR );
+               if ( ! $wp_filesystem->exists( $remote_destination ) )
+                       if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) )
+                               return new WP_Error( 'mkdir_failed_lang_dir', $this->strings['mkdir_failed'], $remote_destination );
+
+               $language_updates_results = array();
+
+               foreach ( $language_updates as $language_update ) {
+
+                       $this->skin->language_update = $language_update;
+
+                       $destination = WP_LANG_DIR;
+                       if ( 'plugin' == $language_update->type )
+                               $destination .= '/plugins';
+                       elseif ( 'theme' == $language_update->type )
+                               $destination .= '/themes';
+
+                       $this->update_current++;
+
+                       $options = array(
+                               'package' => $language_update->package,
+                               'destination' => $destination,
+                               'clear_destination' => false,
+                               'abort_if_destination_exists' => false, // We expect the destination to exist.
+                               'clear_working' => true,
+                               'is_multi' => true,
+                               'hook_extra' => array(
+                                       'language_update_type' => $language_update->type,
+                                       'language_update' => $language_update,
+                               )
+                       );
+
+                       $result = $this->run( $options );
+
+                       $results[] = $this->result;
+
+                       // Prevent credentials auth screen from displaying multiple times.
+                       if ( false === $result ) {
+                               break;
+                       }
+
+                       $language_updates_results[] = array(
+                               'language' => $language_update->language,
+                               'type'     => $language_update->type,
+                               'slug'     => isset( $language_update->slug ) ? $language_update->slug : 'default',
+                               'version'  => $language_update->version,
+                       );
+               }
+
+               // Remove upgrade hooks which are not required for translation updates.
+               remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
+               remove_action( 'upgrader_process_complete', 'wp_version_check' );
+               remove_action( 'upgrader_process_complete', 'wp_update_plugins' );
+               remove_action( 'upgrader_process_complete', 'wp_update_themes' );
+
+               /** This action is documented in wp-admin/includes/class-wp-upgrader.php */
+               do_action( 'upgrader_process_complete', $this, array(
+                       'action'       => 'update',
+                       'type'         => 'translation',
+                       'bulk'         => true,
+                       'translations' => $language_updates_results
+               ) );
+
+               // Re-add upgrade hooks.
+               add_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
+               add_action( 'upgrader_process_complete', 'wp_version_check' );
+               add_action( 'upgrader_process_complete', 'wp_update_plugins' );
+               add_action( 'upgrader_process_complete', 'wp_update_themes' );
+
+               $this->skin->bulk_footer();
+
+               $this->skin->footer();
+
+               // Clean up our hooks, in case something else does an upgrade on this connection.
+               remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
+
+               if ( $parsed_args['clear_update_cache'] ) {
+                       wp_clean_update_cache();
+               }
+
+               return $results;
+       }
+
+       /**
+        * Check the package source to make sure there are .mo and .po files.
+        *
+        * Hooked to the {@see 'upgrader_source_selection'} filter by
+        * Language_Pack_Upgrader::bulk_upgrade().
+        *
+        * @since 3.7.0
+        * @access public
+        *
+        * @global WP_Filesystem_Base $wp_filesystem Subclass
+        *
+        * @param string|WP_Error $source
+        * @param string          $remote_source
+        */
+       public function check_package( $source, $remote_source ) {
+               global $wp_filesystem;
+
+               if ( is_wp_error( $source ) )
+                       return $source;
+
+               // Check that the folder contains a valid language.
+               $files = $wp_filesystem->dirlist( $remote_source );
+
+               // Check to see if a .po and .mo exist in the folder.
+               $po = $mo = false;
+               foreach ( (array) $files as $file => $filedata ) {
+                       if ( '.po' == substr( $file, -3 ) )
+                               $po = true;
+                       elseif ( '.mo' == substr( $file, -3 ) )
+                               $mo = true;
+               }
+
+               if ( ! $mo || ! $po ) {
+                       return new WP_Error( 'incompatible_archive_pomo', $this->strings['incompatible_archive'],
+                               /* translators: 1: .po 2: .mo */
+                               sprintf( __( 'The language pack is missing either the %1$s or %2$s files.' ),
+                                       '<code>.po</code>',
+                                       '<code>.mo</code>'
+                               )
+                       );
+               }
+
+               return $source;
+       }
+
+       /**
+        * Get the name of an item being updated.
+        *
+        * @since 3.7.0
+        * @access public
+        *
+        * @param object $update The data for an update.
+        * @return string The name of the item being updated.
+        */
+       public function get_name_for_update( $update ) {
+               switch ( $update->type ) {
+                       case 'core':
+                               return 'WordPress'; // Not translated
+
+                       case 'theme':
+                               $theme = wp_get_theme( $update->slug );
+                               if ( $theme->exists() )
+                                       return $theme->Get( 'Name' );
+                               break;
+                       case 'plugin':
+                               $plugin_data = get_plugins( '/' . $update->slug );
+                               $plugin_data = reset( $plugin_data );
+                               if ( $plugin_data )
+                                       return $plugin_data['Name'];
+                               break;
+               }
+               return '';
+       }
+
+}