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Path: ~//var/softaculous/sitepad/editor/site-admin/includes/

File Content: `class-language-pack-upgrader.php`

<?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 site-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
	 * @var array|WP_Error $result
	 * @see WP_Upgrader::$result
	 */
	public $result;

	/**
	 * Whether a bulk upgrade/installation is being performed.
	 *
	 * @since 3.7.0
	 * @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
	 *
	 * @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 installations, 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
	 */
	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.' );
		/* translators: %s: package URL */
		$this->strings['downloading_package'] = sprintf( __( 'Downloading translation from %s&#8230;' ), '<span class="code">%s</span>' );
		$this->strings['unpack_package']      = __( 'Unpacking the update&#8230;' );
		$this->strings['process_failed']      = __( 'Translation update failed.' );
		$this->strings['process_success']     = __( 'Translation updated successfully.' );
		$this->strings['remove_old']          = __( 'Removing the old version of the translation&#8230;' );
		$this->strings['remove_old_failed']   = __( 'Could not remove the old translation.' );
	}

	/**
	 * Upgrade a language pack.
	 *
	 * @since 3.7.0
	 *
	 * @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
	 *
	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
	 *
	 * @param object[] $language_updates Optional. Array of language packs to update. @see wp_get_translation_updates().
	 *                                   Default empty array.
	 * @param array    $args {
	 *     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'           => true,
				'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 site-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', 10, 0 );
		add_action( 'upgrader_process_complete', 'wp_update_plugins', 10, 0 );
		add_action( 'upgrader_process_complete', 'wp_update_themes', 10, 0 );

		$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
	 *
	 * @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',
				$this->strings['incompatible_archive'],
				sprintf(
					/* translators: 1: .po, 2: .mo */
					__( 'The language pack is missing either the %1$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
	 *
	 * @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 'SitePad'; // 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 '';
	}

	/**
	 * Clears existing translations where this item is going to be installed into.
	 *
	 * @since 5.1.0
	 *
	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
	 *
	 * @param string $remote_destination The location on the remote filesystem to be cleared.
	 * @return bool|WP_Error True upon success, WP_Error on failure.
	 */
	public function clear_destination( $remote_destination ) {
		global $wp_filesystem;

		$language_update    = $this->skin->language_update;
		$language_directory = WP_LANG_DIR . '/'; // Local path for use with glob().

		if ( 'core' === $language_update->type ) {
			$files = array(
				$remote_destination . $language_update->language . '.po',
				$remote_destination . $language_update->language . '.mo',
				$remote_destination . 'admin-' . $language_update->language . '.po',
				$remote_destination . 'admin-' . $language_update->language . '.mo',
				$remote_destination . 'admin-network-' . $language_update->language . '.po',
				$remote_destination . 'admin-network-' . $language_update->language . '.mo',
				$remote_destination . 'continents-cities-' . $language_update->language . '.po',
				$remote_destination . 'continents-cities-' . $language_update->language . '.mo',
			);

			$json_translation_files = glob( $language_directory . $language_update->language . '-*.json' );
			if ( $json_translation_files ) {
				foreach ( $json_translation_files as $json_translation_file ) {
					$files[] = str_replace( $language_directory, $remote_destination, $json_translation_file );
				}
			}
		} else {
			$files = array(
				$remote_destination . $language_update->slug . '-' . $language_update->language . '.po',
				$remote_destination . $language_update->slug . '-' . $language_update->language . '.mo',
			);

			$language_directory     = $language_directory . $language_update->type . 's/';
			$json_translation_files = glob( $language_directory . $language_update->slug . '-' . $language_update->language . '-*.json' );
			if ( $json_translation_files ) {
				foreach ( $json_translation_files as $json_translation_file ) {
					$files[] = str_replace( $language_directory, $remote_destination, $json_translation_file );
				}
			}
		}

		$files = array_filter( $files, array( $wp_filesystem, 'exists' ) );

		// No files to delete.
		if ( ! $files ) {
			return true;
		}

		// Check all files are writable before attempting to clear the destination.
		$unwritable_files = array();

		// Check writability.
		foreach ( $files as $file ) {
			if ( ! $wp_filesystem->is_writable( $file ) ) {
				// Attempt to alter permissions to allow writes and try again.
				$wp_filesystem->chmod( $file, FS_CHMOD_FILE );
				if ( ! $wp_filesystem->is_writable( $file ) ) {
					$unwritable_files[] = $file;
				}
			}
		}

		if ( ! empty( $unwritable_files ) ) {
			return new WP_Error( 'files_not_writable', $this->strings['files_not_writable'], implode( ', ', $unwritable_files ) );
		}

		foreach ( $files as $file ) {
			if ( ! $wp_filesystem->delete( $file ) ) {
				return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] );
			}
		}

		return true;
	}
}

Edit Rename Chmod Delete

FILE FOLDER

Name	Size	Permission
admin-filters.php	6644 bytes	0644
admin.php	2682 bytes	0644
ajax-actions.php	133097 bytes	0644
bookmark.php	9247 bytes	0644
class-automatic-upgrader-skin.php	3148 bytes	0644
class-bulk-plugin-upgrader-skin.php	2058 bytes	0644
class-bulk-theme-upgrader-skin.php	2093 bytes	0644
class-bulk-upgrader-skin.php	5308 bytes	0644
class-core-upgrader.php	13743 bytes	0644
class-file-upload-upgrader.php	3373 bytes	0644
class-ftp-pure.php	5399 bytes	0644
class-ftp-sockets.php	8448 bytes	0644
class-ftp.php	27106 bytes	0644
class-language-pack-upgrader-skin.php	2367 bytes	0644
class-language-pack-upgrader.php	14726 bytes	0644
class-pclzip.php	196642 bytes	0644
class-plugin-installer-skin.php	4461 bytes	0644
class-plugin-upgrader-skin.php	2683 bytes	0644
class-plugin-upgrader.php	15187 bytes	0644
class-theme-installer-skin.php	4432 bytes	0644
class-theme-upgrader-skin.php	3847 bytes	0644
class-theme-upgrader.php	20290 bytes	0644
class-walker-category-checklist.php	4249 bytes	0644
class-walker-nav-menu-checklist.php	5012 bytes	0644
class-walker-nav-menu-edit.php	11685 bytes	0644
class-wp-ajax-upgrader-skin.php	3038 bytes	0644
class-wp-automatic-updater.php	35569 bytes	0644
class-wp-comments-list-table.php	27232 bytes	0644
class-wp-community-events.php	15962 bytes	0644
class-wp-filesystem-base.php	22509 bytes	0644
class-wp-filesystem-direct.php	11667 bytes	0644
class-wp-filesystem-ftpext.php	13978 bytes	0644
class-wp-filesystem-ftpsockets.php	10877 bytes	0644
class-wp-filesystem-ssh2.php	15430 bytes	0644
class-wp-importer.php	7522 bytes	0644
class-wp-internal-pointers.php	5508 bytes	0644
class-wp-links-list-table.php	7751 bytes	0644
class-wp-list-table-compat.php	1071 bytes	0644
class-wp-list-table.php	39638 bytes	0644
class-wp-media-list-table.php	23501 bytes	0644
class-wp-plugin-install-list-table.php	22507 bytes	0644
class-wp-plugins-list-table.php	33823 bytes	0644
class-wp-post-comments-list-table.php	1472 bytes	0644
class-wp-posts-list-table.php	54467 bytes	0644
class-wp-screen.php	35134 bytes	0644
class-wp-site-icon.php	6125 bytes	0644
class-wp-terms-list-table.php	18502 bytes	0644
class-wp-theme-install-list-table.php	15241 bytes	0644
class-wp-themes-list-table.php	9439 bytes	0644
class-wp-upgrader-skin.php	5164 bytes	0644
class-wp-upgrader.php	34624 bytes	0644
class-wp-users-list-table.php	17531 bytes	0644
comment.php	6062 bytes	0644
continents-cities.php	20750 bytes	0644
credits.php	2221 bytes	0644
dashboard.php	57785 bytes	0644
edit-tag-messages.php	1412 bytes	0644
export.php	23404 bytes	0644
file.php	84915 bytes	0644
image-edit.php	34709 bytes	0644
image.php	22910 bytes	0644
import.php	6707 bytes	0644
list-table.php	2781 bytes	0644
media.php	109520 bytes	0644
menu.php	9114 bytes	0644
meta-boxes.php	59352 bytes	0644
misc.php	73162 bytes	0644
nav-menu.php	44317 bytes	0644
network.php	24188 bytes	0644
noop.php	1231 bytes	0644
options.php	7861 bytes	0644
plugin-install.php	33585 bytes	0644
plugin.php	74324 bytes	0644
post.php	74430 bytes	0644
revision.php	15671 bytes	0644
schema.php	41611 bytes	0644
screen.php	6214 bytes	0644
taxonomy.php	7914 bytes	0644
template.php	87953 bytes	0644
theme-install.php	6559 bytes	0644
theme.php	30073 bytes	0644
translation-install.php	8618 bytes	0644
update-core.php	56841 bytes	0644
update.php	26212 bytes	0644
upgrade.php	101710 bytes	0644
user.php	52131 bytes	0644
widgets.php	10628 bytes	0644

File Content: class-language-pack-upgrader.php

File Content: `class-language-pack-upgrader.php`