X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/96bc8e88cf39086a9e0a883b8e2c311fe82a5e97..f34e3c5e1f96e4214461c0b72b651ad48ccffe50:/wp-admin/includes/class-wp-upgrader.php
diff --git a/wp-admin/includes/class-wp-upgrader.php b/wp-admin/includes/class-wp-upgrader.php
index e61e0ef5..235df514 100644
--- a/wp-admin/includes/class-wp-upgrader.php
+++ b/wp-admin/includes/class-wp-upgrader.php
@@ -4,40 +4,118 @@
*
* This set of classes are designed to be used to upgrade/install a local set of files on the filesystem via the Filesystem Abstraction classes.
*
- * @link http://trac.wordpress.org/ticket/7875 consolidate plugin/theme/core upgrade/install functions
+ * @link https://core.trac.wordpress.org/ticket/7875 consolidate plugin/theme/core upgrade/install functions
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
+require ABSPATH . 'wp-admin/includes/class-wp-upgrader-skins.php';
+
/**
* WordPress Upgrader class for Upgrading/Installing a local set of files via the Filesystem Abstraction classes from a Zip file.
*
- * @TODO More Detailed docs, for methods as well.
- *
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class WP_Upgrader {
- var $strings = array();
- var $skin = null;
- var $result = array();
- function __construct($skin = null) {
+ /**
+ * The error/notification strings used to update the user on the progress.
+ *
+ * @since 2.8.0
+ * @var string $strings
+ */
+ public $strings = array();
+
+ /**
+ * The upgrader skin being used.
+ *
+ * @since 2.8.0
+ * @var WP_Upgrader_Skin $skin
+ */
+ public $skin = null;
+
+ /**
+ * The result of the installation.
+ *
+ * This is set by {@see WP_Upgrader::install_package()}, only when the package is installed
+ * successfully. It will then be an array, unless a {@see WP_Error} is returned by the
+ * {@see 'upgrader_post_install'} filter. In that case, the `WP_Error` will be assigned to
+ * it.
+ *
+ * @since 2.8.0
+ * @var WP_Error|array $result {
+ * @type string $source The full path to the source the files were installed from.
+ * @type string $source_files List of all the files in the source directory.
+ * @type string $destination The full path to the install destination folder.
+ * @type string $destination_name The name of the destination folder, or empty if `$destination`
+ * and `$local_destination` are the same.
+ * @type string $local_destination The full local path to the destination folder. This is usually
+ * the same as `$destination`.
+ * @type string $remote_destination The full remote path to the destination folder
+ * (i.e., from `$wp_filesystem`).
+ * @type bool $clear_destination Whether the destination folder was cleared.
+ * }
+ */
+ public $result = array();
+
+ /**
+ * The total number of updates being performed.
+ *
+ * Set by the bulk update methods.
+ *
+ * @since 3.0.0
+ * @var int $update_count
+ */
+ public $update_count = 0;
+
+ /**
+ * The current update if multiple updates are being performed.
+ *
+ * Used by the bulk update methods, and incremented for each update.
+ *
+ * @since 3.0.0
+ * @var int
+ */
+ public $update_current = 0;
+
+ /**
+ * Construct the upgrader with a skin.
+ *
+ * @since 2.8.0
+ *
+ * @param WP_Upgrader_Skin $skin The upgrader skin to use. Default is a {@see WP_Upgrader_Skin}
+ * instance.
+ */
+ public function __construct( $skin = null ) {
if ( null == $skin )
$this->skin = new WP_Upgrader_Skin();
else
$this->skin = $skin;
}
- function init() {
+ /**
+ * Initialize the upgrader.
+ *
+ * This will set the relationship between the skin being used and this upgrader,
+ * and also add the generic strings to `WP_Upgrader::$strings`.
+ *
+ * @since 2.8.0
+ */
+ public function init() {
$this->skin->set_upgrader($this);
$this->generic_strings();
}
- function generic_strings() {
+ /**
+ * Add the generic strings to WP_Upgrader::$strings.
+ *
+ * @since 2.8.0
+ */
+ public function generic_strings() {
$this->strings['bad_request'] = __('Invalid Data provided.');
$this->strings['fs_unavailable'] = __('Could not access filesystem.');
$this->strings['fs_error'] = __('Filesystem error.');
@@ -50,25 +128,43 @@ class WP_Upgrader {
$this->strings['download_failed'] = __('Download failed.');
$this->strings['installing_package'] = __('Installing the latest version…');
+ $this->strings['no_files'] = __('The package contains no files.');
$this->strings['folder_exists'] = __('Destination folder already exists.');
$this->strings['mkdir_failed'] = __('Could not create directory.');
$this->strings['incompatible_archive'] = __('The package could not be installed.');
+ $this->strings['files_not_writable'] = __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' );
$this->strings['maintenance_start'] = __('Enabling Maintenance mode…');
$this->strings['maintenance_end'] = __('Disabling Maintenance mode…');
}
- function fs_connect( $directories = array() ) {
+ /**
+ * Connect to the filesystem.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param array $directories Optional. A list of directories. If any of these do
+ * not exist, a {@see WP_Error} object will be returned.
+ * Default empty array.
+ * @param bool $allow_relaxed_file_ownership Whether to allow relaxed file ownership.
+ * Default false.
+ * @return bool|WP_Error True if able to connect, false or a {@see WP_Error} otherwise.
+ */
+ public function fs_connect( $directories = array(), $allow_relaxed_file_ownership = false ) {
global $wp_filesystem;
- if ( false === ($credentials = $this->skin->request_filesystem_credentials()) )
+ if ( false === ( $credentials = $this->skin->request_filesystem_credentials( false, $directories[0], $allow_relaxed_file_ownership ) ) ) {
return false;
+ }
- if ( ! WP_Filesystem($credentials) ) {
+ if ( ! WP_Filesystem( $credentials, $directories[0], $allow_relaxed_file_ownership ) ) {
$error = true;
if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() )
$error = $wp_filesystem->errors;
- $this->skin->request_filesystem_credentials($error); //Failed to connect, Error and request again
+ // Failed to connect, Error and request again
+ $this->skin->request_filesystem_credentials( $error, $directories[0], $allow_relaxed_file_ownership );
return false;
}
@@ -92,20 +188,43 @@ class WP_Upgrader {
if ( ! $wp_filesystem->wp_plugins_dir() )
return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']);
break;
- case WP_CONTENT_DIR . '/themes':
- if ( ! $wp_filesystem->find_folder(WP_CONTENT_DIR . '/themes') )
+ case get_theme_root():
+ if ( ! $wp_filesystem->wp_themes_dir() )
return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']);
break;
default:
if ( ! $wp_filesystem->find_folder($dir) )
- return new WP_Error('fs_no_folder', sprintf($this->strings['fs_no_folder'], $dir));
+ return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) );
break;
}
}
return true;
} //end fs_connect();
- function download_package($package) {
+ /**
+ * Download a package.
+ *
+ * @since 2.8.0
+ *
+ * @param string $package The URI of the package. If this is the full path to an
+ * existing local file, it will be returned untouched.
+ * @return string|WP_Error The full path to the downloaded package file, or a {@see WP_Error} object.
+ */
+ public function download_package( $package ) {
+
+ /**
+ * Filter whether to return the package.
+ *
+ * @since 3.7.0
+ *
+ * @param bool $reply Whether to bail without returning the package.
+ * Default false.
+ * @param string $package The package file name.
+ * @param WP_Upgrader $this The WP_Upgrader instance.
+ */
+ $reply = apply_filters( 'upgrader_pre_download', false, $package, $this );
+ if ( false !== $reply )
+ return $reply;
if ( ! preg_match('!^(http|https|ftp)://!i', $package) && file_exists($package) ) //Local file or remote?
return $package; //must be a local file..
@@ -123,7 +242,19 @@ class WP_Upgrader {
return $download_file;
}
- function unpack_package($package, $delete_package = true) {
+ /**
+ * Unpack a compressed package file.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param string $package Full path to the package file.
+ * @param bool $delete_package Optional. Whether to delete the package file after attempting
+ * to unpack it. Default true.
+ * @return string|WP_Error The path to the unpacked contents, or a {@see WP_Error} on failure.
+ */
+ public function unpack_package( $package, $delete_package = true ) {
global $wp_filesystem;
$this->skin->feedback('unpack_package');
@@ -137,15 +268,15 @@ class WP_Upgrader {
$wp_filesystem->delete($upgrade_folder . $file['name'], true);
}
- //We need a working directory
- $working_dir = $upgrade_folder . basename($package, '.zip');
+ // We need a working directory - Strip off any .tmp or .zip suffixes
+ $working_dir = $upgrade_folder . basename( basename( $package, '.tmp' ), '.zip' );
// Clean up working directory
if ( $wp_filesystem->is_dir($working_dir) )
$wp_filesystem->delete($working_dir, true);
// Unzip package to working directory
- $result = unzip_file($package, $working_dir); //TODO optimizations, Copy when Move/Rename would suffice?
+ $result = unzip_file( $package, $working_dir );
// Once extracted, delete the package if required.
if ( $delete_package )
@@ -162,69 +293,211 @@ class WP_Upgrader {
return $working_dir;
}
- function install_package($args = array()) {
+ /**
+ * Clears the directory where this item is going to be installed into.
+ *
+ * @since 4.3.0
+ *
+ * @global WP_Filesystem_Base $wp_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;
- $defaults = array( 'source' => '', 'destination' => '', //Please always pass these
- 'clear_destination' => false, 'clear_working' => false,
- 'hook_extra' => array());
- $args = wp_parse_args($args, $defaults);
- extract($args);
+ if ( ! $wp_filesystem->exists( $remote_destination ) ) {
+ return true;
+ }
- @set_time_limit( 300 );
+ // Check all files are writable before attempting to clear the destination.
+ $unwritable_files = array();
- if ( empty($source) || empty($destination) )
- return new WP_Error('bad_request', $this->strings['bad_request']);
+ $_files = $wp_filesystem->dirlist( $remote_destination, true, true );
+
+ // Flatten the resulting array, iterate using each as we append to the array during iteration.
+ while ( $f = each( $_files ) ) {
+ $file = $f['value'];
+ $name = $f['key'];
+
+ if ( ! isset( $file['files'] ) ) {
+ continue;
+ }
+
+ foreach ( $file['files'] as $filename => $details ) {
+ $_files[ $name . '/' . $filename ] = $details;
+ }
+ }
+
+ // Check writability.
+ foreach ( $_files as $filename => $file_details ) {
+ if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
+
+ // Attempt to alter permissions to allow writes and try again.
+ $wp_filesystem->chmod( $remote_destination . $filename, ( 'd' == $file_details['type'] ? FS_CHMOD_DIR : FS_CHMOD_FILE ) );
+ if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
+ $unwritable_files[] = $filename;
+ }
+ }
+ }
+
+ if ( ! empty( $unwritable_files ) ) {
+ return new WP_Error( 'files_not_writable', $this->strings['files_not_writable'], implode( ', ', $unwritable_files ) );
+ }
+
+ if ( ! $wp_filesystem->delete( $remote_destination, true ) ) {
+ return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] );
+ }
+
+ return true;
+ }
+
+ /**
+ * Install a package.
+ *
+ * Copies the contents of a package form a source directory, and installs them in
+ * a destination directory. Optionally removes the source. It can also optionally
+ * clear out the destination folder if it already exists.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ * @global array $wp_theme_directories
+ *
+ * @param array|string $args {
+ * Optional. Array or string of arguments for installing a package. Default empty array.
+ *
+ * @type string $source Required path to the package source. Default empty.
+ * @type string $destination Required path to a folder to install the package in.
+ * Default empty.
+ * @type bool $clear_destination Whether to delete any files already in the destination
+ * folder. Default false.
+ * @type bool $clear_working Whether to delete the files form the working directory
+ * after copying to the destination. Default false.
+ * @type bool $abort_if_destination_exists Whether to abort the installation if
+ * the destination folder already exists. Default true.
+ * @type array $hook_extra Extra arguments to pass to the filter hooks called by
+ * {@see WP_Upgrader::install_package()}. Default empty array.
+ * }
+ *
+ * @return array|WP_Error The result (also stored in `WP_Upgrader:$result`), or a {@see WP_Error} on failure.
+ */
+ public function install_package( $args = array() ) {
+ global $wp_filesystem, $wp_theme_directories;
+
+ $defaults = array(
+ 'source' => '', // Please always pass this
+ 'destination' => '', // and this
+ 'clear_destination' => false,
+ 'clear_working' => false,
+ 'abort_if_destination_exists' => true,
+ 'hook_extra' => array()
+ );
+
+ $args = wp_parse_args($args, $defaults);
+
+ // These were previously extract()'d.
+ $source = $args['source'];
+ $destination = $args['destination'];
+ $clear_destination = $args['clear_destination'];
- $this->skin->feedback('installing_package');
+ @set_time_limit( 300 );
- $res = apply_filters('upgrader_pre_install', true, $hook_extra);
- if ( is_wp_error($res) )
+ if ( empty( $source ) || empty( $destination ) ) {
+ return new WP_Error( 'bad_request', $this->strings['bad_request'] );
+ }
+ $this->skin->feedback( 'installing_package' );
+
+ /**
+ * Filter the install response before the installation has started.
+ *
+ * Returning a truthy value, or one that could be evaluated as a WP_Error
+ * will effectively short-circuit the installation, returning that value
+ * instead.
+ *
+ * @since 2.8.0
+ *
+ * @param bool|WP_Error $response Response.
+ * @param array $hook_extra Extra arguments passed to hooked filters.
+ */
+ $res = apply_filters( 'upgrader_pre_install', true, $args['hook_extra'] );
+ if ( is_wp_error( $res ) ) {
return $res;
+ }
//Retain the Original source and destinations
- $remote_source = $source;
+ $remote_source = $args['source'];
$local_destination = $destination;
- $source_files = array_keys( $wp_filesystem->dirlist($remote_source) );
- $remote_destination = $wp_filesystem->find_folder($local_destination);
+ $source_files = array_keys( $wp_filesystem->dirlist( $remote_source ) );
+ $remote_destination = $wp_filesystem->find_folder( $local_destination );
//Locate which directory to copy to the new folder, This is based on the actual folder holding the files.
- if ( 1 == count($source_files) && $wp_filesystem->is_dir( trailingslashit($source) . $source_files[0] . '/') ) //Only one folder? Then we want its contents.
- $source = trailingslashit($source) . trailingslashit($source_files[0]);
- elseif ( count($source_files) == 0 )
- return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __( 'The plugin contains no files.' ) ); //There are no files?
- else //Its only a single file, The upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename.
- $source = trailingslashit($source);
-
- //Hook ability to change the source file location..
- $source = apply_filters('upgrader_source_selection', $source, $remote_source, $this);
- if ( is_wp_error($source) )
- return $source;
+ if ( 1 == count( $source_files ) && $wp_filesystem->is_dir( trailingslashit( $args['source'] ) . $source_files[0] . '/' ) ) { //Only one folder? Then we want its contents.
+ $source = trailingslashit( $args['source'] ) . trailingslashit( $source_files[0] );
+ } elseif ( count( $source_files ) == 0 ) {
+ return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] ); // There are no files?
+ } else { //It's only a single file, the upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename.
+ $source = trailingslashit( $args['source'] );
+ }
- //Has the source location changed? If so, we need a new source_files list.
- if ( $source !== $remote_source )
- $source_files = array_keys( $wp_filesystem->dirlist($source) );
+ /**
+ * Filter the source file location for the upgrade package.
+ *
+ * @since 2.8.0
+ *
+ * @param string $source File source location.
+ * @param string $remote_source Remove file source location.
+ * @param WP_Upgrader $this WP_Upgrader instance.
+ */
+ $source = apply_filters( 'upgrader_source_selection', $source, $remote_source, $this );
+ if ( is_wp_error( $source ) ) {
+ return $source;
+ }
- //Protection against deleting files in any important base directories.
- if ( in_array( $destination, array(ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes') ) ) {
- $remote_destination = trailingslashit($remote_destination) . trailingslashit(basename($source));
- $destination = trailingslashit($destination) . trailingslashit(basename($source));
+ // Has the source location changed? If so, we need a new source_files list.
+ if ( $source !== $remote_source ) {
+ $source_files = array_keys( $wp_filesystem->dirlist( $source ) );
+ }
+ /*
+ * Protection against deleting files in any important base directories.
+ * Theme_Upgrader & Plugin_Upgrader also trigger this, as they pass the
+ * destination directory (WP_PLUGIN_DIR / wp-content/themes) intending
+ * to copy the directory into the directory, whilst they pass the source
+ * as the actual files to copy.
+ */
+ $protected_directories = array( ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes' );
+
+ if ( is_array( $wp_theme_directories ) ) {
+ $protected_directories = array_merge( $protected_directories, $wp_theme_directories );
+ }
+ if ( in_array( $destination, $protected_directories ) ) {
+ $remote_destination = trailingslashit( $remote_destination ) . trailingslashit( basename( $source ) );
+ $destination = trailingslashit( $destination ) . trailingslashit( basename( $source ) );
}
if ( $clear_destination ) {
- //We're going to clear the destination if there's something there
+ // We're going to clear the destination if there's something there
$this->skin->feedback('remove_old');
- $removed = true;
- if ( $wp_filesystem->exists($remote_destination) )
- $removed = $wp_filesystem->delete($remote_destination, true);
- $removed = apply_filters('upgrader_clear_destination', $removed, $local_destination, $remote_destination, $hook_extra);
- if ( is_wp_error($removed) )
+ $removed = $this->clear_destination( $remote_destination );
+
+ /**
+ * Filter whether the upgrader cleared the destination.
+ *
+ * @since 2.8.0
+ *
+ * @param mixed $removed Whether the destination was cleared. true on success, WP_Error on failure
+ * @param string $local_destination The local package destination.
+ * @param string $remote_destination The remote package destination.
+ * @param array $hook_extra Extra arguments passed to hooked filters.
+ */
+ $removed = apply_filters( 'upgrader_clear_destination', $removed, $local_destination, $remote_destination, $args['hook_extra'] );
+
+ if ( is_wp_error( $removed ) ) {
return $removed;
- else if ( ! $removed )
- return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']);
- } elseif ( $wp_filesystem->exists($remote_destination) ) {
+ }
+ } elseif ( $args['abort_if_destination_exists'] && $wp_filesystem->exists($remote_destination) ) {
//If we're not clearing the destination folder and something exists there already, Bail.
//But first check to see if there are actually any files in the folder.
$_files = $wp_filesystem->dirlist($remote_destination);
@@ -235,29 +508,43 @@ class WP_Upgrader {
}
//Create destination if needed
- if ( !$wp_filesystem->exists($remote_destination) )
- if ( !$wp_filesystem->mkdir($remote_destination, FS_CHMOD_DIR) )
- return new WP_Error('mkdir_failed', $this->strings['mkdir_failed'], $remote_destination);
-
+ if ( ! $wp_filesystem->exists( $remote_destination ) ) {
+ if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) {
+ return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination );
+ }
+ }
// Copy new version of item into place.
$result = copy_dir($source, $remote_destination);
if ( is_wp_error($result) ) {
- if ( $clear_working )
- $wp_filesystem->delete($remote_source, true);
+ if ( $args['clear_working'] ) {
+ $wp_filesystem->delete( $remote_source, true );
+ }
return $result;
}
//Clear the Working folder?
- if ( $clear_working )
- $wp_filesystem->delete($remote_source, true);
+ if ( $args['clear_working'] ) {
+ $wp_filesystem->delete( $remote_source, true );
+ }
$destination_name = basename( str_replace($local_destination, '', $destination) );
- if ( '.' == $destination_name )
+ if ( '.' == $destination_name ) {
$destination_name = '';
+ }
+
+ $this->result = compact( 'source', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination' );
- $this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir');
+ /**
+ * Filter the install response after the installation has finished.
+ *
+ * @since 2.8.0
+ *
+ * @param bool $response Install response.
+ * @param array $hook_extra Extra arguments passed to hooked filters.
+ * @param array $result Installation result data.
+ */
+ $res = apply_filters( 'upgrader_post_install', true, $args['hook_extra'], $this->result );
- $res = apply_filters('upgrader_post_install', true, $hook_extra, $this->result);
if ( is_wp_error($res) ) {
$this->result = $res;
return $res;
@@ -267,60 +554,132 @@ class WP_Upgrader {
return $this->result;
}
- function run($options) {
-
- $defaults = array( 'package' => '', //Please always pass this.
- 'destination' => '', //And this
- 'clear_destination' => false,
- 'clear_working' => true,
- 'is_multi' => false,
- 'hook_extra' => array() //Pass any extra $hook_extra args here, this will be passed to any hooked filters.
- );
+ /**
+ * Run an upgrade/install.
+ *
+ * Attempts to download the package (if it is not a local file), unpack it, and
+ * install it in the destination folder.
+ *
+ * @since 2.8.0
+ *
+ * @param array $options {
+ * Array or string of arguments for upgrading/installing a package.
+ *
+ * @type string $package The full path or URI of the package to install.
+ * Default empty.
+ * @type string $destination The full path to the destination folder.
+ * Default empty.
+ * @type bool $clear_destination Whether to delete any files already in the
+ * destination folder. Default false.
+ * @type bool $clear_working Whether to delete the files form the working
+ * directory after copying to the destination.
+ * Default false.
+ * @type bool $abort_if_destination_exists Whether to abort the installation if the destination
+ * folder already exists. When true, `$clear_destination`
+ * should be false. Default true.
+ * @type bool $is_multi Whether this run is one of multiple upgrade/install
+ * actions being performed in bulk. When true, the skin
+ * {@see WP_Upgrader::header()} and {@see WP_Upgrader::footer()}
+ * aren't called. Default false.
+ * @type array $hook_extra Extra arguments to pass to the filter hooks called by
+ * {@see WP_Upgrader::run()}.
+ * }
+ *
+ * @return array|false|WP_error The result from self::install_package() on success, otherwise a WP_Error,
+ * or false if unable to connect to the filesystem.
+ */
+ public function run( $options ) {
+
+ $defaults = array(
+ 'package' => '', // Please always pass this.
+ 'destination' => '', // And this
+ 'clear_destination' => false,
+ 'abort_if_destination_exists' => true, // Abort if the Destination directory exists, Pass clear_destination as false please
+ 'clear_working' => true,
+ 'is_multi' => false,
+ 'hook_extra' => array() // Pass any extra $hook_extra args here, this will be passed to any hooked filters.
+ );
- $options = wp_parse_args($options, $defaults);
- extract($options);
+ $options = wp_parse_args( $options, $defaults );
+
+ /**
+ * Filter the package options before running an update.
+ *
+ * @since 4.3.0
+ *
+ * @param array $options {
+ * Options used by the upgrader.
+ *
+ * @type string $package Package for update.
+ * @type string $destination Update location.
+ * @type bool $clear_destination Clear the destination resource.
+ * @type bool $clear_working Clear the working resource.
+ * @type bool $abort_if_destination_exists Abort if the Destination directory exists.
+ * @type bool $is_multi Whether the upgrader is running multiple times.
+ * @type array $hook_extra Extra hook arguments.
+ * }
+ */
+ $options = apply_filters( 'upgrader_package_options', $options );
+
+ if ( ! $options['is_multi'] ) { // call $this->header separately if running multiple times
+ $this->skin->header();
+ }
- //Connect to the Filesystem first.
- $res = $this->fs_connect( array(WP_CONTENT_DIR, $destination) );
- if ( ! $res ) //Mainly for non-connected filesystem.
+ // Connect to the Filesystem first.
+ $res = $this->fs_connect( array( WP_CONTENT_DIR, $options['destination'] ) );
+ // Mainly for non-connected filesystem.
+ if ( ! $res ) {
+ if ( ! $options['is_multi'] ) {
+ $this->skin->footer();
+ }
return false;
+ }
+
+ $this->skin->before();
if ( is_wp_error($res) ) {
$this->skin->error($res);
+ $this->skin->after();
+ if ( ! $options['is_multi'] ) {
+ $this->skin->footer();
+ }
return $res;
}
- if ( !$is_multi ) // call $this->header separately if running multiple times
- $this->skin->header();
-
- $this->skin->before();
-
//Download the package (Note, This just returns the filename of the file if the package is a local file)
- $download = $this->download_package( $package );
+ $download = $this->download_package( $options['package'] );
if ( is_wp_error($download) ) {
$this->skin->error($download);
$this->skin->after();
+ if ( ! $options['is_multi'] ) {
+ $this->skin->footer();
+ }
return $download;
}
- $delete_package = ($download != $package); // Do not delete a "local" file
+ $delete_package = ( $download != $options['package'] ); // Do not delete a "local" file
//Unzips the file into a temporary directory
$working_dir = $this->unpack_package( $download, $delete_package );
if ( is_wp_error($working_dir) ) {
$this->skin->error($working_dir);
$this->skin->after();
+ if ( ! $options['is_multi'] ) {
+ $this->skin->footer();
+ }
return $working_dir;
}
//With the given options, this installs it to the destination directory.
$result = $this->install_package( array(
- 'source' => $working_dir,
- 'destination' => $destination,
- 'clear_destination' => $clear_destination,
- 'clear_working' => $clear_working,
- 'hook_extra' => $hook_extra
- ) );
+ 'source' => $working_dir,
+ 'destination' => $options['destination'],
+ 'clear_destination' => $options['clear_destination'],
+ 'abort_if_destination_exists' => $options['abort_if_destination_exists'],
+ 'clear_working' => $options['clear_working'],
+ 'hook_extra' => $options['hook_extra']
+ ) );
+
$this->skin->set_result($result);
if ( is_wp_error($result) ) {
$this->skin->error($result);
@@ -329,15 +688,31 @@ class WP_Upgrader {
//Install Succeeded
$this->skin->feedback('process_success');
}
+
$this->skin->after();
- if ( !$is_multi )
+ if ( ! $options['is_multi'] ) {
+
+ /** This action is documented in wp-admin/includes/class-wp-upgrader.php */
+ do_action( 'upgrader_process_complete', $this, $options['hook_extra'] );
$this->skin->footer();
+ }
return $result;
}
- function maintenance_mode($enable = false) {
+ /**
+ * Toggle maintenance mode for the site.
+ *
+ * Creates/deletes the maintenance file to enable/disable maintenance mode.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param bool $enable True to enable maintenance mode, false to disable.
+ */
+ public function maintenance_mode( $enable = false ) {
global $wp_filesystem;
$file = $wp_filesystem->abspath() . '.maintenance';
if ( $enable ) {
@@ -346,7 +721,7 @@ class WP_Upgrader {
$maintenance_string = '';
$wp_filesystem->delete($file);
$wp_filesystem->put_contents($file, $maintenance_string, FS_CHMOD_FILE);
- } else if ( !$enable && $wp_filesystem->exists($file) ) {
+ } elseif ( ! $enable && $wp_filesystem->exists( $file ) ) {
$this->skin->feedback('maintenance_end');
$wp_filesystem->delete($file);
}
@@ -357,66 +732,132 @@ class WP_Upgrader {
/**
* Plugin Upgrader class for WordPress Plugins, It is designed to upgrade/install plugins from a local zip, remote zip URL, or uploaded zip file.
*
- * @TODO More Detailed docs, for methods as well.
- *
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Plugin_Upgrader extends WP_Upgrader {
- var $result;
- var $bulk = false;
- var $show_before = '';
-
- function upgrade_strings() {
+ /**
+ * Plugin upgrade result.
+ *
+ * @since 2.8.0
+ * @var array|WP_Error $result
+ * @see WP_Upgrader::$result
+ */
+ public $result;
+
+ /**
+ * Whether a bulk upgrade/install is being performed.
+ *
+ * @since 2.9.0
+ * @var bool $bulk
+ */
+ public $bulk = false;
+
+ /**
+ * Initialize the upgrade strings.
+ *
+ * @since 2.8.0
+ */
+ public function upgrade_strings() {
$this->strings['up_to_date'] = __('The plugin is at the latest version.');
$this->strings['no_package'] = __('Update package not available.');
$this->strings['downloading_package'] = __('Downloading update from %s…');
$this->strings['unpack_package'] = __('Unpacking the update…');
- $this->strings['deactivate_plugin'] = __('Deactivating the plugin…');
$this->strings['remove_old'] = __('Removing the old version of the plugin…');
$this->strings['remove_old_failed'] = __('Could not remove the old plugin.');
$this->strings['process_failed'] = __('Plugin update failed.');
$this->strings['process_success'] = __('Plugin updated successfully.');
+ $this->strings['process_bulk_success'] = __('Plugins updated successfully.');
}
- function install_strings() {
+ /**
+ * Initialize the install strings.
+ *
+ * @since 2.8.0
+ */
+ public function install_strings() {
$this->strings['no_package'] = __('Install package not available.');
$this->strings['downloading_package'] = __('Downloading install package from %s…');
$this->strings['unpack_package'] = __('Unpacking the package…');
$this->strings['installing_package'] = __('Installing the plugin…');
+ $this->strings['no_files'] = __('The plugin contains no files.');
$this->strings['process_failed'] = __('Plugin install failed.');
$this->strings['process_success'] = __('Plugin installed successfully.');
}
- function install($package) {
+ /**
+ * Install a plugin package.
+ *
+ * @since 2.8.0
+ * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional.
+ *
+ * @param string $package The full local path or URI of the package.
+ * @param array $args {
+ * Optional. Other arguments for installing a plugin package. Default empty array.
+ *
+ * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful.
+ * Default true.
+ * }
+ *
+ * @return bool|WP_Error True if the install was successful, false or a WP_Error otherwise.
+ */
+ public function install( $package, $args = array() ) {
+
+ $defaults = array(
+ 'clear_update_cache' => true,
+ );
+ $parsed_args = wp_parse_args( $args, $defaults );
$this->init();
$this->install_strings();
- add_filter('upgrader_source_selection', array(&$this, 'check_package') );
+ add_filter('upgrader_source_selection', array($this, 'check_package') );
- $this->run(array(
- 'package' => $package,
- 'destination' => WP_PLUGIN_DIR,
- 'clear_destination' => false, //Do not overwrite files.
- 'clear_working' => true,
- 'hook_extra' => array()
- ));
+ $this->run( array(
+ 'package' => $package,
+ 'destination' => WP_PLUGIN_DIR,
+ 'clear_destination' => false, // Do not overwrite files.
+ 'clear_working' => true,
+ 'hook_extra' => array(
+ 'type' => 'plugin',
+ 'action' => 'install',
+ )
+ ) );
- remove_filter('upgrader_source_selection', array(&$this, 'check_package') );
+ remove_filter('upgrader_source_selection', array($this, 'check_package') );
if ( ! $this->result || is_wp_error($this->result) )
return $this->result;
// Force refresh of plugin update information
- delete_site_transient('update_plugins');
+ wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
return true;
}
- function upgrade($plugin) {
+ /**
+ * Upgrade a plugin.
+ *
+ * @since 2.8.0
+ * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional.
+ *
+ * @param string $plugin The basename path to the main plugin file.
+ * @param array $args {
+ * Optional. Other arguments for upgrading a plugin package. Defualt empty array.
+ *
+ * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful.
+ * Default true.
+ * }
+ * @return bool|WP_Error True if the upgrade was successful, false or a {@see WP_Error} object otherwise.
+ */
+ public function upgrade( $plugin, $args = array() ) {
+
+ $defaults = array(
+ 'clear_update_cache' => true,
+ );
+ $parsed_args = wp_parse_args( $args, $defaults );
$this->init();
$this->upgrade_strings();
@@ -433,32 +874,57 @@ class Plugin_Upgrader extends WP_Upgrader {
// Get the URL to the zip file
$r = $current->response[ $plugin ];
- add_filter('upgrader_pre_install', array(&$this, 'deactivate_plugin_before_upgrade'), 10, 2);
- add_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'), 10, 4);
- //'source_selection' => array(&$this, 'source_selection'), //there's a trac ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins.
-
- $this->run(array(
- 'package' => $r->package,
- 'destination' => WP_PLUGIN_DIR,
- 'clear_destination' => true,
- 'clear_working' => true,
- 'hook_extra' => array(
- 'plugin' => $plugin
- )
- ));
+ add_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'), 10, 2);
+ add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);
+ //'source_selection' => array($this, 'source_selection'), //there's a trac ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins.
+
+ $this->run( array(
+ 'package' => $r->package,
+ 'destination' => WP_PLUGIN_DIR,
+ 'clear_destination' => true,
+ 'clear_working' => true,
+ 'hook_extra' => array(
+ 'plugin' => $plugin,
+ 'type' => 'plugin',
+ 'action' => 'update',
+ ),
+ ) );
// Cleanup our hooks, in case something else does a upgrade on this connection.
- remove_filter('upgrader_pre_install', array(&$this, 'deactivate_plugin_before_upgrade'));
- remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'));
+ remove_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'));
+ remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));
if ( ! $this->result || is_wp_error($this->result) )
return $this->result;
// Force refresh of plugin update information
- delete_site_transient('update_plugins');
+ wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
+
+ return true;
}
- function bulk_upgrade($plugins) {
+ /**
+ * Bulk upgrade several plugins at once.
+ *
+ * @since 2.8.0
+ * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional.
+ *
+ * @param array $plugins Array of the basename paths of the plugins' main files.
+ * @param array $args {
+ * Optional. Other arguments for upgrading several plugins at once. Default empty array.
+ *
+ * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful.
+ * Default true.
+ * }
+ *
+ * @return array|false An array of results indexed by plugin file, or false if unable to connect to the filesystem.
+ */
+ public function bulk_upgrade( $plugins, $args = array() ) {
+
+ $defaults = array(
+ 'clear_update_cache' => true,
+ );
+ $parsed_args = wp_parse_args( $args, $defaults );
$this->init();
$this->bulk = true;
@@ -466,7 +932,7 @@ class Plugin_Upgrader extends WP_Upgrader {
$current = get_site_transient( 'update_plugins' );
- add_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'), 10, 4);
+ add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);
$this->skin->header();
@@ -479,10 +945,13 @@ class Plugin_Upgrader extends WP_Upgrader {
$this->skin->bulk_header();
- // Only start maintenance mode if running in Multisite OR the plugin is in use
- $maintenance = is_multisite(); // @TODO: This should only kick in for individual sites if at all possible.
+ // Only start maintenance mode if:
+ // - running Multisite and there are one or more plugins specified, OR
+ // - a plugin with an update available is currently active.
+ // @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible.
+ $maintenance = ( is_multisite() && ! empty( $plugins ) );
foreach ( $plugins as $plugin )
- $maintenance = $maintenance || (is_plugin_active($plugin) && isset($current->response[ $plugin ]) ); // Only activate Maintenance mode if a plugin is active AND has an update available
+ $maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin] ) );
if ( $maintenance )
$this->maintenance_mode(true);
@@ -495,11 +964,11 @@ class Plugin_Upgrader extends WP_Upgrader {
$this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true);
if ( !isset( $current->response[ $plugin ] ) ) {
- $this->skin->set_result(false);
+ $this->skin->set_result('up_to_date');
$this->skin->before();
- $this->skin->error('up_to_date');
+ $this->skin->feedback('up_to_date');
$this->skin->after();
- $results[$plugin] = false;
+ $results[$plugin] = true;
continue;
}
@@ -508,16 +977,16 @@ class Plugin_Upgrader extends WP_Upgrader {
$this->skin->plugin_active = is_plugin_active($plugin);
- $result = $this->run(array(
- 'package' => $r->package,
- 'destination' => WP_PLUGIN_DIR,
- 'clear_destination' => true,
- 'clear_working' => true,
- 'is_multi' => true,
- 'hook_extra' => array(
- 'plugin' => $plugin
- )
- ));
+ $result = $this->run( array(
+ 'package' => $r->package,
+ 'destination' => WP_PLUGIN_DIR,
+ 'clear_destination' => true,
+ 'clear_working' => true,
+ 'is_multi' => true,
+ 'hook_extra' => array(
+ 'plugin' => $plugin
+ )
+ ) );
$results[$plugin] = $this->result;
@@ -528,47 +997,94 @@ class Plugin_Upgrader extends WP_Upgrader {
$this->maintenance_mode(false);
+ /**
+ * Fires when the bulk upgrader process is complete.
+ *
+ * @since 3.6.0
+ *
+ * @param Plugin_Upgrader $this Plugin_Upgrader instance. In other contexts, $this, might
+ * be a Theme_Upgrader or Core_Upgrade instance.
+ * @param array $data {
+ * Array of bulk item update data.
+ *
+ * @type string $action Type of action. Default 'update'.
+ * @type string $type Type of update process. Accepts 'plugin', 'theme', or 'core'.
+ * @type bool $bulk Whether the update process is a bulk update. Default true.
+ * @type array $packages Array of plugin, theme, or core packages to update.
+ * }
+ */
+ do_action( 'upgrader_process_complete', $this, array(
+ 'action' => 'update',
+ 'type' => 'plugin',
+ 'bulk' => true,
+ 'plugins' => $plugins,
+ ) );
+
$this->skin->bulk_footer();
$this->skin->footer();
// Cleanup our hooks, in case something else does a upgrade on this connection.
- remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_plugin'));
+ remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));
// Force refresh of plugin update information
- delete_site_transient('update_plugins');
+ wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
return $results;
}
- function check_package($source) {
+ /**
+ * Check a source package to be sure it contains a plugin.
+ *
+ * This function is added to the {@see 'upgrader_source_selection'} filter by
+ * {@see Plugin_Upgrader::install()}.
+ *
+ * @since 3.3.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param string $source The path to the downloaded package source.
+ * @return string|WP_Error The source as passed, or a {@see WP_Error} object if no plugins were found.
+ */
+ public function check_package($source) {
global $wp_filesystem;
if ( is_wp_error($source) )
return $source;
$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, lets not prevent installation.
+ if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, let's not prevent installation.
return $source;
// Check the folder contains at least 1 valid plugin.
$plugins_found = false;
- foreach ( glob( $working_directory . '*.php' ) as $file ) {
- $info = get_plugin_data($file, false, false);
- if ( !empty( $info['Name'] ) ) {
- $plugins_found = true;
- break;
+ $files = glob( $working_directory . '*.php' );
+ if ( $files ) {
+ foreach ( $files as $file ) {
+ $info = get_plugin_data( $file, false, false );
+ if ( ! empty( $info['Name'] ) ) {
+ $plugins_found = true;
+ break;
+ }
}
}
if ( ! $plugins_found )
- return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __('No valid plugins were found.') );
+ return new WP_Error( 'incompatible_archive_no_plugins', $this->strings['incompatible_archive'], __( 'No valid plugins were found.' ) );
return $source;
}
- //return plugin info.
- function plugin_info() {
+ /**
+ * Retrieve the path to the file that contains the plugin info.
+ *
+ * This isn't used internally in the class, but is called by the skins.
+ *
+ * @since 2.8.0
+ *
+ * @return string|false The full path to the main plugin file, or false.
+ */
+ public function plugin_info() {
if ( ! is_array($this->result) )
return false;
if ( empty($this->result['destination_name']) )
@@ -583,25 +1099,56 @@ class Plugin_Upgrader extends WP_Upgrader {
return $this->result['destination_name'] . '/' . $pluginfiles[0];
}
- //Hooked to pre_install
- function deactivate_plugin_before_upgrade($return, $plugin) {
+ /**
+ * Deactivates a plugin before it is upgraded.
+ *
+ * Hooked to the {@see 'upgrader_pre_install'} filter by {@see Plugin_Upgrader::upgrade()}.
+ *
+ * @since 2.8.0
+ * @since 4.1.0 Added a return value.
+ *
+ * @param bool|WP_Error $return Upgrade offer return.
+ * @param array $plugin Plugin package arguments.
+ * @return bool|WP_Error The passed in $return param or {@see WP_Error}.
+ */
+ public function deactivate_plugin_before_upgrade($return, $plugin) {
if ( is_wp_error($return) ) //Bypass.
return $return;
+ // When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it
+ if ( defined( 'DOING_CRON' ) && DOING_CRON )
+ return $return;
+
$plugin = isset($plugin['plugin']) ? $plugin['plugin'] : '';
if ( empty($plugin) )
return new WP_Error('bad_request', $this->strings['bad_request']);
if ( is_plugin_active($plugin) ) {
- $this->skin->feedback('deactivate_plugin');
//Deactivate the plugin silently, Prevent deactivation hooks from running.
deactivate_plugins($plugin, true);
}
+
+ return $return;
}
- //Hooked to upgrade_clear_destination
- function delete_old_plugin($removed, $local_destination, $remote_destination, $plugin) {
+ /**
+ * Delete the old plugin during an upgrade.
+ *
+ * Hooked to the {@see 'upgrader_clear_destination'} filter by
+ * {@see Plugin_Upgrader::upgrade()} and {@see Plugin_Upgrader::bulk_upgrade()}.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param bool|WP_Error $removed
+ * @param string $local_destination
+ * @param string $remote_destination
+ * @param array $plugin
+ * @return WP_Error|bool
+ */
+ public function delete_old_plugin($removed, $local_destination, $remote_destination, $plugin) {
global $wp_filesystem;
if ( is_wp_error($removed) )
@@ -614,11 +1161,11 @@ class Plugin_Upgrader extends WP_Upgrader {
$plugins_dir = $wp_filesystem->wp_plugins_dir();
$this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin) );
- if ( ! $wp_filesystem->exists($this_plugin_dir) ) //If its already vanished.
+ if ( ! $wp_filesystem->exists($this_plugin_dir) ) //If it's already vanished.
return $removed;
// If plugin is in its own directory, recursively delete the directory.
- if ( strpos($plugin, '/') && $this_plugin_dir != $plugins_dir ) //base check on if plugin includes directory separator AND that its not the root plugin folder
+ if ( strpos($plugin, '/') && $this_plugin_dir != $plugins_dir ) //base check on if plugin includes directory separator AND that it's not the root plugin folder
$deleted = $wp_filesystem->delete($this_plugin_dir, true);
else
$deleted = $wp_filesystem->delete($plugins_dir . $plugin);
@@ -633,18 +1180,35 @@ class Plugin_Upgrader extends WP_Upgrader {
/**
* Theme Upgrader class for WordPress Themes, It is designed to upgrade/install themes from a local zip, remote zip URL, or uploaded zip file.
*
- * @TODO More Detailed docs, for methods as well.
- *
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
*/
class Theme_Upgrader extends WP_Upgrader {
- var $result;
- var $bulk = false;
-
- function upgrade_strings() {
+ /**
+ * Result of the theme upgrade offer.
+ *
+ * @since 2.8.0
+ * @var array|WP_Erorr $result
+ * @see WP_Upgrader::$result
+ */
+ public $result;
+
+ /**
+ * Whether multiple plugins are being upgraded/installed in bulk.
+ *
+ * @since 2.9.0
+ * @var bool $bulk
+ */
+ public $bulk = false;
+
+ /**
+ * Initialize the upgrade strings.
+ *
+ * @since 2.8.0
+ */
+ public function upgrade_strings() {
$this->strings['up_to_date'] = __('The theme is at the latest version.');
$this->strings['no_package'] = __('Update package not available.');
$this->strings['downloading_package'] = __('Downloading update from %s…');
@@ -655,43 +1219,192 @@ class Theme_Upgrader extends WP_Upgrader {
$this->strings['process_success'] = __('Theme updated successfully.');
}
- function install_strings() {
+ /**
+ * Initialize the install strings.
+ *
+ * @since 2.8.0
+ */
+ public function install_strings() {
$this->strings['no_package'] = __('Install package not available.');
$this->strings['downloading_package'] = __('Downloading install package from %s…');
$this->strings['unpack_package'] = __('Unpacking the package…');
$this->strings['installing_package'] = __('Installing the theme…');
+ $this->strings['no_files'] = __('The theme contains no files.');
$this->strings['process_failed'] = __('Theme install failed.');
$this->strings['process_success'] = __('Theme installed successfully.');
- }
+ /* translators: 1: theme name, 2: version */
+ $this->strings['process_success_specific'] = __('Successfully installed the theme %1$s %2$s.');
+ $this->strings['parent_theme_search'] = __('This theme requires a parent theme. Checking if it is installed…');
+ /* translators: 1: theme name, 2: version */
+ $this->strings['parent_theme_prepare_install'] = __('Preparing to install %1$s %2$s…');
+ /* translators: 1: theme name, 2: version */
+ $this->strings['parent_theme_currently_installed'] = __('The parent theme, %1$s %2$s, is currently installed.');
+ /* translators: 1: theme name, 2: version */
+ $this->strings['parent_theme_install_success'] = __('Successfully installed the parent theme, %1$s %2$s.');
+ $this->strings['parent_theme_not_found'] = __('The parent theme could not be found. You will need to install the parent theme, %s, before you can use this child theme.');
+ }
+
+ /**
+ * Check if a child theme is being installed and we need to install its parent.
+ *
+ * Hooked to the {@see 'upgrader_post_install'} filter by {@see Theme_Upgrader::install()}.
+ *
+ * @since 3.4.0
+ *
+ * @param bool $install_result
+ * @param array $hook_extra
+ * @param array $child_result
+ * @return type
+ */
+ public function check_parent_theme_filter( $install_result, $hook_extra, $child_result ) {
+ // Check to see if we need to install a parent theme
+ $theme_info = $this->theme_info();
+
+ if ( ! $theme_info->parent() )
+ return $install_result;
+
+ $this->skin->feedback( 'parent_theme_search' );
+
+ if ( ! $theme_info->parent()->errors() ) {
+ $this->skin->feedback( 'parent_theme_currently_installed', $theme_info->parent()->display('Name'), $theme_info->parent()->display('Version') );
+ // We already have the theme, fall through.
+ return $install_result;
+ }
+
+ // We don't have the parent theme, let's install it.
+ $api = themes_api('theme_information', array('slug' => $theme_info->get('Template'), 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth.
+
+ if ( ! $api || is_wp_error($api) ) {
+ $this->skin->feedback( 'parent_theme_not_found', $theme_info->get('Template') );
+ // Don't show activate or preview actions after install
+ add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') );
+ return $install_result;
+ }
- function install($package) {
+ // Backup required data we're going to override:
+ $child_api = $this->skin->api;
+ $child_success_message = $this->strings['process_success'];
+
+ // Override them
+ $this->skin->api = $api;
+ $this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];//, $api->name, $api->version);
+
+ $this->skin->feedback('parent_theme_prepare_install', $api->name, $api->version);
+
+ add_filter('install_theme_complete_actions', '__return_false', 999); // Don't show any actions after installing the theme.
+
+ // Install the parent theme
+ $parent_result = $this->run( array(
+ 'package' => $api->download_link,
+ 'destination' => get_theme_root(),
+ 'clear_destination' => false, //Do not overwrite files.
+ 'clear_working' => true
+ ) );
+
+ if ( is_wp_error($parent_result) )
+ add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') );
+
+ // Start cleaning up after the parents installation
+ remove_filter('install_theme_complete_actions', '__return_false', 999);
+
+ // Reset child's result and data
+ $this->result = $child_result;
+ $this->skin->api = $child_api;
+ $this->strings['process_success'] = $child_success_message;
+
+ return $install_result;
+ }
+
+ /**
+ * Don't display the activate and preview actions to the user.
+ *
+ * Hooked to the {@see 'install_theme_complete_actions'} filter by
+ * {@see Theme_Upgrader::check_parent_theme_filter()} when installing
+ * a child theme and installing the parent theme fails.
+ *
+ * @since 3.4.0
+ *
+ * @param array $actions Preview actions.
+ * @return array
+ */
+ public function hide_activate_preview_actions( $actions ) {
+ unset($actions['activate'], $actions['preview']);
+ return $actions;
+ }
+
+ /**
+ * Install a theme package.
+ *
+ * @since 2.8.0
+ * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
+ *
+ * @param string $package The full local path or URI of the package.
+ * @param array $args {
+ * Optional. Other arguments for installing a theme package. Default empty array.
+ *
+ * @type bool $clear_update_cache Whether to clear the updates cache if successful.
+ * Default true.
+ * }
+ *
+ * @return bool|WP_Error True if the install was successful, false or a {@see WP_Error} object otherwise.
+ */
+ public function install( $package, $args = array() ) {
+
+ $defaults = array(
+ 'clear_update_cache' => true,
+ );
+ $parsed_args = wp_parse_args( $args, $defaults );
$this->init();
$this->install_strings();
- add_filter('upgrader_source_selection', array(&$this, 'check_package') );
-
- $options = array(
- 'package' => $package,
- 'destination' => WP_CONTENT_DIR . '/themes',
- 'clear_destination' => false, //Do not overwrite files.
- 'clear_working' => true
- );
+ add_filter('upgrader_source_selection', array($this, 'check_package') );
+ add_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'), 10, 3);
- $this->run($options);
+ $this->run( array(
+ 'package' => $package,
+ 'destination' => get_theme_root(),
+ 'clear_destination' => false, //Do not overwrite files.
+ 'clear_working' => true,
+ 'hook_extra' => array(
+ 'type' => 'theme',
+ 'action' => 'install',
+ ),
+ ) );
- remove_filter('upgrader_source_selection', array(&$this, 'check_package') );
+ remove_filter('upgrader_source_selection', array($this, 'check_package') );
+ remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'));
if ( ! $this->result || is_wp_error($this->result) )
return $this->result;
- // Force refresh of theme update information
- delete_site_transient('update_themes');
+ // Refresh the Theme Update information
+ wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
return true;
}
- function upgrade($theme) {
+ /**
+ * Upgrade a theme.
+ *
+ * @since 2.8.0
+ * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
+ *
+ * @param string $theme The theme slug.
+ * @param array $args {
+ * Optional. Other arguments for upgrading a theme. Default empty array.
+ *
+ * @type bool $clear_update_cache Whether to clear the update cache if successful.
+ * Default true.
+ * }
+ * @return bool|WP_Error True if the upgrade was successful, false or a {@see WP_Error} object otherwise.
+ */
+ public function upgrade( $theme, $args = array() ) {
+
+ $defaults = array(
+ 'clear_update_cache' => true,
+ );
+ $parsed_args = wp_parse_args( $args, $defaults );
$this->init();
$this->upgrade_strings();
@@ -701,43 +1414,62 @@ class Theme_Upgrader extends WP_Upgrader {
if ( !isset( $current->response[ $theme ] ) ) {
$this->skin->before();
$this->skin->set_result(false);
- $this->skin->error('up_to_date');
+ $this->skin->error( 'up_to_date' );
$this->skin->after();
return false;
}
$r = $current->response[ $theme ];
- add_filter('upgrader_pre_install', array(&$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);
-
- $options = array(
- 'package' => $r['package'],
- 'destination' => WP_CONTENT_DIR . '/themes',
- 'clear_destination' => true,
- 'clear_working' => true,
- 'hook_extra' => array(
- 'theme' => $theme
- )
- );
-
- $this->run($options);
-
- remove_filter('upgrader_pre_install', array(&$this, 'current_before'), 10, 2);
- remove_filter('upgrader_post_install', array(&$this, 'current_after'), 10, 2);
- remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme'), 10, 4);
+ add_filter('upgrader_pre_install', array($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->run( array(
+ 'package' => $r['package'],
+ 'destination' => get_theme_root( $theme ),
+ 'clear_destination' => true,
+ 'clear_working' => true,
+ 'hook_extra' => array(
+ 'theme' => $theme,
+ 'type' => 'theme',
+ 'action' => 'update',
+ ),
+ ) );
+
+ remove_filter('upgrader_pre_install', array($this, 'current_before'));
+ remove_filter('upgrader_post_install', array($this, 'current_after'));
+ remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));
if ( ! $this->result || is_wp_error($this->result) )
return $this->result;
- // Force refresh of theme update information
- delete_site_transient('update_themes');
+ wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
return true;
}
- function bulk_upgrade($themes) {
+ /**
+ * Upgrade several themes at once.
+ *
+ * @since 3.0.0
+ * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
+ *
+ * @param array $themes The theme slugs.
+ * @param array $args {
+ * Optional. Other arguments for upgrading several themes at once. Default empty array.
+ *
+ * @type bool $clear_update_cache Whether to clear the update cache if successful.
+ * Default true.
+ * }
+ * @return array[]|false An array of results, or false if unable to connect to the filesystem.
+ */
+ public function bulk_upgrade( $themes, $args = array() ) {
+
+ $defaults = array(
+ 'clear_update_cache' => true,
+ );
+ $parsed_args = wp_parse_args( $args, $defaults );
$this->init();
$this->bulk = true;
@@ -745,9 +1477,9 @@ class Theme_Upgrader extends WP_Upgrader {
$current = get_site_transient( 'update_themes' );
- add_filter('upgrader_pre_install', array(&$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);
+ 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();
@@ -760,8 +1492,11 @@ class Theme_Upgrader extends WP_Upgrader {
$this->skin->bulk_header();
- // Only start maintenance mode if running in Multisite OR the theme is in use
- $maintenance = is_multisite(); // @TODO: This should only kick in for individual sites if at all possible.
+ // 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 || $theme == get_stylesheet() || $theme == get_template();
if ( $maintenance )
@@ -774,31 +1509,30 @@ class Theme_Upgrader extends WP_Upgrader {
foreach ( $themes as $theme ) {
$this->update_current++;
+ $this->skin->theme_info = $this->theme_info($theme);
+
if ( !isset( $current->response[ $theme ] ) ) {
- $this->skin->set_result(false);
+ $this->skin->set_result(true);
$this->skin->before();
- $this->skin->error('up_to_date');
+ $this->skin->feedback( 'up_to_date' );
$this->skin->after();
- $results[$theme] = false;
+ $results[$theme] = true;
continue;
}
- $this->skin->theme_info = $this->theme_info($theme);
-
// Get the URL to the zip file
$r = $current->response[ $theme ];
- $options = array(
- 'package' => $r['package'],
- 'destination' => WP_CONTENT_DIR . '/themes',
- 'clear_destination' => true,
- 'clear_working' => true,
- 'hook_extra' => array(
- 'theme' => $theme
- )
- );
-
- $result = $this->run($options);
+ $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
+ ),
+ ) );
$results[$theme] = $this->result;
@@ -809,22 +1543,44 @@ class Theme_Upgrader extends WP_Upgrader {
$this->maintenance_mode(false);
+ /** 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();
$this->skin->footer();
// Cleanup our hooks, in case something else does a upgrade on this connection.
- remove_filter('upgrader_pre_install', array(&$this, 'current_before'), 10, 2);
- remove_filter('upgrader_post_install', array(&$this, 'current_after'), 10, 2);
- remove_filter('upgrader_clear_destination', array(&$this, 'delete_old_theme'), 10, 4);
+ 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'));
- // Force refresh of theme update information
- delete_site_transient('update_themes');
+ // Refresh the Theme Update information
+ wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
return $results;
}
- function check_package($source) {
+ /**
+ * Check that the package source contains a valid theme.
+ *
+ * Hooked to the {@see 'upgrader_source_selection'} filter by {@see Theme_Upgrader::install()}.
+ * It will return an error if the theme doesn't have style.css or index.php
+ * files.
+ *
+ * @since 3.3.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param string $source The full path to the package source.
+ * @return string|WP_Error The source or a WP_Error.
+ */
+ public function check_package( $source ) {
global $wp_filesystem;
if ( is_wp_error($source) )
@@ -832,24 +1588,38 @@ class Theme_Upgrader extends WP_Upgrader {
// Check 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, lets not prevent installation.
+ if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, let's not prevent installation.
return $source;
- if ( ! file_exists( $working_directory . 'style.css' ) ) // A proper archive should have a style.css file in the single subdirectory
- return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __('The theme is missing the style.css
stylesheet.') );
+ // 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'], __( 'The theme is missing the style.css
stylesheet.' ) );
+
+ $info = get_file_data( $working_directory . 'style.css', array( 'Name' => 'Theme Name', 'Template' => 'Template' ) );
- $info = get_theme_data( $working_directory . 'style.css' );
- if ( empty($info['Name']) )
- return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __("The style.css
stylesheet doesn't contain a valid theme header.") );
+ if ( empty( $info['Name'] ) )
+ return new WP_Error( 'incompatible_archive_theme_no_name', $this->strings['incompatible_archive'], __( "The style.css
stylesheet doesn't contain a valid theme header." ) );
- if ( empty($info['Template']) && ! file_exists( $working_directory . 'index.php' ) ) // If no template is set, it must have at least an index.php to be legit.
- return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], __('The theme is missing the index.php
file.') );
+ // If it's not a child theme, it must have at least an index.php to be legit.
+ if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) )
+ return new WP_Error( 'incompatible_archive_theme_no_index', $this->strings['incompatible_archive'], __( 'The theme is missing the index.php
file.' ) );
return $source;
}
- function current_before($return, $theme) {
-
+ /**
+ * Turn on maintenance mode before attempting to upgrade the current theme.
+ *
+ * Hooked to the {@see 'upgrader_pre_install'} filter by {@see Theme_Upgrader::upgrade()} and
+ * {@see Theme_Upgrader::bulk_upgrade()}.
+ *
+ * @since 2.8.0
+ *
+ * @param bool|WP_Error $return
+ * @param array $theme
+ * @return bool|WP_Error
+ */
+ public function current_before($return, $theme) {
if ( is_wp_error($return) )
return $return;
@@ -864,22 +1634,32 @@ class Theme_Upgrader extends WP_Upgrader {
return $return;
}
- function current_after($return, $theme) {
+ /**
+ * Turn off maintenance mode after upgrading the current theme.
+ *
+ * Hooked to the {@see 'upgrader_post_install'} filter by {@see Theme_Upgrader::upgrade()}
+ * and {@see Theme_Upgrader::bulk_upgrade()}.
+ *
+ * @since 2.8.0
+ *
+ * @param bool|WP_Error $return
+ * @param array $theme
+ * @return bool|WP_Error
+ */
+ public function current_after($return, $theme) {
if ( is_wp_error($return) )
return $return;
$theme = isset($theme['theme']) ? $theme['theme'] : '';
- if ( $theme != get_stylesheet() ) //If not current
+ if ( $theme != get_stylesheet() ) // If not current
return $return;
- //Ensure stylesheet name hasnt changed after the upgrade:
- // @TODO: Note, This doesn't handle the Template changing, or the Template name changing.
+ // Ensure stylesheet name hasn't changed after the upgrade:
if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) {
- $theme_info = $this->theme_info();
+ wp_clean_themes_cache();
$stylesheet = $this->result['destination_name'];
- $template = !empty($theme_info['Template']) ? $theme_info['Template'] : $stylesheet;
- switch_theme($template, $stylesheet, true);
+ switch_theme( $stylesheet );
}
//Time to remove maintenance mode
@@ -888,22 +1668,53 @@ class Theme_Upgrader extends WP_Upgrader {
return $return;
}
- function delete_old_theme($removed, $local_destination, $remote_destination, $theme) {
+ /**
+ * Delete the old theme during an upgrade.
+ *
+ * Hooked to the {@see 'upgrader_clear_destination'} filter by {@see Theme_Upgrader::upgrade()}
+ * and {@see 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;
- $theme = isset($theme['theme']) ? $theme['theme'] : '';
+ if ( is_wp_error( $removed ) )
+ return $removed; // Pass errors through.
- if ( is_wp_error($removed) || empty($theme) )
- return $removed; //Pass errors through.
+ if ( ! isset( $theme['theme'] ) )
+ return $removed;
- $themes_dir = $wp_filesystem->wp_themes_dir();
- if ( $wp_filesystem->exists( trailingslashit($themes_dir) . $theme ) )
- if ( ! $wp_filesystem->delete( trailingslashit($themes_dir) . $theme, true ) )
+ $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 . $theme, true ) )
return false;
+ }
+
return true;
}
- function theme_info($theme = null) {
+ /**
+ * Get 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']) )
@@ -911,15 +1722,330 @@ class Theme_Upgrader extends WP_Upgrader {
else
return false;
}
- return get_theme_data(WP_CONTENT_DIR . '/themes/' . $theme . '/style.css');
+ return wp_get_theme( $theme );
}
}
/**
- * Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination with the wp-admin/includes/update-core.php file
+ * Language pack upgrader, for updating translations of plugins, themes, and core.
*
- * @TODO More Detailed docs, for methods as well.
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 3.7.0
+ */
+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/install is being performed.
+ *
+ * @since 3.7.0
+ * @var bool $bulk
+ */
+ public $bulk = true;
+
+ /**
+ * Asynchronously upgrade language packs after other upgrades have been made.
+ *
+ * Hooked to the {@see 'upgrader_process_complete'} action by default.
+ *
+ * @since 3.7.0
+ *
+ * @static
+ *
+ * @param false|WP_Upgrader $upgrader
+ */
+ 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 );
+
+ /**
+ * Filter 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;
+ }
+
+ $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 translation is up to date.' ); // We need to silently skip this case
+ $this->strings['no_package'] = __( 'Update package not available.' );
+ $this->strings['downloading_package'] = __( 'Downloading translation from %s…' );
+ $this->strings['unpack_package'] = __( 'Unpacking the update…' );
+ $this->strings['process_failed'] = __( 'Translation update failed.' );
+ $this->strings['process_success'] = __( 'Translation updated successfully.' );
+ }
+
+ /**
+ * 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
+ * {@see Language_Pack_Upgrader::bulk_upgrade()}. Default empty array.
+ * @return array|bool|WP_Error The result of the upgrade, or a {@see 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 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->before();
+ $this->skin->set_result( true );
+ $this->skin->feedback( 'up_to_date' );
+ $this->skin->after();
+ $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 );
+
+ 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;
+ }
+
+ $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
+ * {@see 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'],
+ __( 'The language pack is missing either the .po
or .mo
files.' ) );
+
+ 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 '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 '';
+ }
+
+}
+
+/**
+ * Core Upgrader class for WordPress. It allows for WordPress to upgrade itself in combination with the wp-admin/includes/update-core.php file
*
* @package WordPress
* @subpackage Upgrader
@@ -927,38 +2053,87 @@ class Theme_Upgrader extends WP_Upgrader {
*/
class Core_Upgrader extends WP_Upgrader {
- function upgrade_strings() {
+ /**
+ * Initialize the upgrade strings.
+ *
+ * @since 2.8.0
+ */
+ public function upgrade_strings() {
$this->strings['up_to_date'] = __('WordPress is at the latest version.');
$this->strings['no_package'] = __('Update package not available.');
$this->strings['downloading_package'] = __('Downloading update from %s…');
$this->strings['unpack_package'] = __('Unpacking the update…');
$this->strings['copy_failed'] = __('Could not copy files.');
- }
+ $this->strings['copy_failed_space'] = __('Could not copy files. You may have run out of disk space.' );
+ $this->strings['start_rollback'] = __( 'Attempting to roll back to previous version.' );
+ $this->strings['rollback_was_required'] = __( 'Due to an error during updating, WordPress has rolled back to your previous version.' );
+ }
+
+ /**
+ * Upgrade WordPress core.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ * @global callback $_wp_filesystem_direct_method
+ *
+ * @param object $current Response object for whether WordPress is current.
+ * @param array $args {
+ * Optional. Arguments for upgrading WordPress core. Default empty array.
+ *
+ * @type bool $pre_check_md5 Whether to check the file checksums before
+ * attempting the upgrade. Default true.
+ * @type bool $attempt_rollback Whether to attempt to rollback the chances if
+ * there is a problem. Default false.
+ * @type bool $do_rollback Whether to perform this "upgrade" as a rollback.
+ * Default false.
+ * }
+ * @return null|false|WP_Error False or WP_Error on failure, null on success.
+ */
+ public function upgrade( $current, $args = array() ) {
+ global $wp_filesystem;
+
+ include( ABSPATH . WPINC . '/version.php' ); // $wp_version;
- function upgrade($current) {
- global $wp_filesystem, $wp_version;
+ $start_time = time();
+
+ $defaults = array(
+ 'pre_check_md5' => true,
+ 'attempt_rollback' => false,
+ 'do_rollback' => false,
+ 'allow_relaxed_file_ownership' => false,
+ );
+ $parsed_args = wp_parse_args( $args, $defaults );
$this->init();
$this->upgrade_strings();
- if ( !empty($feedback) )
- add_filter('update_feedback', $feedback);
-
// Is an update available?
if ( !isset( $current->response ) || $current->response == 'latest' )
return new WP_Error('up_to_date', $this->strings['up_to_date']);
- $res = $this->fs_connect( array(ABSPATH, WP_CONTENT_DIR) );
- if ( is_wp_error($res) )
+ $res = $this->fs_connect( array( ABSPATH, WP_CONTENT_DIR ), $parsed_args['allow_relaxed_file_ownership'] );
+ if ( ! $res || is_wp_error( $res ) ) {
return $res;
+ }
$wp_dir = trailingslashit($wp_filesystem->abspath());
- // If partial update is returned from the API, use that, unless we're doing a reinstall.
- // If we cross the new_bundled version number, then use the new_bundled zip.
- // Don't though if the constant is set to skip bundled items.
- // If the API returns a no_content zip, go with it. Finally, default to the full zip.
- if ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version )
+ $partial = true;
+ if ( $parsed_args['do_rollback'] )
+ $partial = false;
+ elseif ( $parsed_args['pre_check_md5'] && ! $this->check_files() )
+ $partial = false;
+
+ /*
+ * If partial update is returned from the API, use that, unless we're doing
+ * a reinstall. If we cross the new_bundled version number, then use
+ * the new_bundled zip. Don't though if the constant is set to skip bundled items.
+ * If the API returns a no_content zip, go with it. Finally, default to the full zip.
+ */
+ if ( $parsed_args['do_rollback'] && $current->packages->rollback )
+ $to_download = 'rollback';
+ elseif ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version && $partial )
$to_download = 'partial';
elseif ( $current->packages->new_bundled && version_compare( $wp_version, $current->new_bundled, '<' )
&& ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) )
@@ -979,588 +2154,1249 @@ class Core_Upgrader extends WP_Upgrader {
// Copy update-core.php from the new version into place.
if ( !$wp_filesystem->copy($working_dir . '/wordpress/wp-admin/includes/update-core.php', $wp_dir . 'wp-admin/includes/update-core.php', true) ) {
$wp_filesystem->delete($working_dir, true);
- return new WP_Error('copy_failed', $this->strings['copy_failed']);
+ return new WP_Error( 'copy_failed_for_update_core_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-admin/includes/update-core.php' );
}
$wp_filesystem->chmod($wp_dir . 'wp-admin/includes/update-core.php', FS_CHMOD_FILE);
- require(ABSPATH . 'wp-admin/includes/update-core.php');
-
- return update_core($working_dir, $wp_dir);
- }
-
-}
+ require_once( ABSPATH . 'wp-admin/includes/update-core.php' );
+
+ if ( ! function_exists( 'update_core' ) )
+ return new WP_Error( 'copy_failed_space', $this->strings['copy_failed_space'] );
+
+ $result = update_core( $working_dir, $wp_dir );
+
+ // In the event of an issue, we may be able to roll back.
+ if ( $parsed_args['attempt_rollback'] && $current->packages->rollback && ! $parsed_args['do_rollback'] ) {
+ $try_rollback = false;
+ if ( is_wp_error( $result ) ) {
+ $error_code = $result->get_error_code();
+ /*
+ * Not all errors are equal. These codes are critical: copy_failed__copy_dir,
+ * mkdir_failed__copy_dir, copy_failed__copy_dir_retry, and disk_full.
+ * do_rollback allows for update_core() to trigger a rollback if needed.
+ */
+ if ( false !== strpos( $error_code, 'do_rollback' ) )
+ $try_rollback = true;
+ elseif ( false !== strpos( $error_code, '__copy_dir' ) )
+ $try_rollback = true;
+ elseif ( 'disk_full' === $error_code )
+ $try_rollback = true;
+ }
-/**
- * Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes.
- *
- * @TODO More Detailed docs, for methods as well.
- *
- * @package WordPress
- * @subpackage Upgrader
- * @since 2.8.0
- */
-class WP_Upgrader_Skin {
+ if ( $try_rollback ) {
+ /** This filter is documented in wp-admin/includes/update-core.php */
+ apply_filters( 'update_feedback', $result );
- var $upgrader;
- var $done_header = false;
- var $result = false;
+ /** This filter is documented in wp-admin/includes/update-core.php */
+ apply_filters( 'update_feedback', $this->strings['start_rollback'] );
- function __construct($args = array()) {
- $defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false );
- $this->options = wp_parse_args($args, $defaults);
- }
+ $rollback_result = $this->upgrade( $current, array_merge( $parsed_args, array( 'do_rollback' => true ) ) );
- function set_upgrader(&$upgrader) {
- if ( is_object($upgrader) )
- $this->upgrader =& $upgrader;
- $this->add_strings();
- }
+ $original_result = $result;
+ $result = new WP_Error( 'rollback_was_required', $this->strings['rollback_was_required'], (object) array( 'update' => $original_result, 'rollback' => $rollback_result ) );
+ }
+ }
- function add_strings() {
- }
+ /** This action is documented in wp-admin/includes/class-wp-upgrader.php */
+ do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ) );
+
+ // Clear the current updates
+ delete_site_transient( 'update_core' );
+
+ if ( ! $parsed_args['do_rollback'] ) {
+ $stats = array(
+ 'update_type' => $current->response,
+ 'success' => true,
+ 'fs_method' => $wp_filesystem->method,
+ 'fs_method_forced' => defined( 'FS_METHOD' ) || has_filter( 'filesystem_method' ),
+ 'fs_method_direct' => !empty( $GLOBALS['_wp_filesystem_direct_method'] ) ? $GLOBALS['_wp_filesystem_direct_method'] : '',
+ 'time_taken' => time() - $start_time,
+ 'reported' => $wp_version,
+ 'attempted' => $current->version,
+ );
- function set_result($result) {
- $this->result = $result;
- }
+ if ( is_wp_error( $result ) ) {
+ $stats['success'] = false;
+ // Did a rollback occur?
+ if ( ! empty( $try_rollback ) ) {
+ $stats['error_code'] = $original_result->get_error_code();
+ $stats['error_data'] = $original_result->get_error_data();
+ // Was the rollback successful? If not, collect its error too.
+ $stats['rollback'] = ! is_wp_error( $rollback_result );
+ if ( is_wp_error( $rollback_result ) ) {
+ $stats['rollback_code'] = $rollback_result->get_error_code();
+ $stats['rollback_data'] = $rollback_result->get_error_data();
+ }
+ } else {
+ $stats['error_code'] = $result->get_error_code();
+ $stats['error_data'] = $result->get_error_data();
+ }
+ }
- function request_filesystem_credentials($error = false) {
- $url = $this->options['url'];
- $context = $this->options['context'];
- if ( !empty($this->options['nonce']) )
- $url = wp_nonce_url($url, $this->options['nonce']);
- return request_filesystem_credentials($url, '', $error, $context); //Possible to bring inline, Leaving as is for now.
- }
+ wp_version_check( $stats );
+ }
- function header() {
- if ( $this->done_header )
- return;
- $this->done_header = true;
- echo '
$string
\n"; } - function header() { - // Nothing, This will be displayed within a iframe. - } + /** + * Delete the attachment/uploaded file. + * + * @since 3.2.2 + * + * @return bool Whether the cleanup was successful. + */ + public function cleanup() { + if ( $this->id ) + wp_delete_attachment( $this->id ); - function footer() { - // Nothing, This will be displayed within a iframe. + elseif ( file_exists( $this->package ) ) + return @unlink( $this->package ); + + return true; } - function error($error) { - if ( is_string($error) && isset( $this->upgrader->strings[$error] ) ) - $this->error = $this->upgrader->strings[$error]; - - if ( is_wp_error($error) ) { - foreach ( $error->get_error_messages() as $emessage ) { - if ( $error->get_error_data() ) - $messages[] = $emessage . ' ' . $error->get_error_data(); - else - $messages[] = $emessage; - } - $this->error = implode(', ', $messages); +} + +/** + * The WordPress automatic background updater. + * + * @package WordPress + * @subpackage Upgrader + * @since 3.7.0 + */ +class WP_Automatic_Updater { + + /** + * Tracks update results during processing. + * + * @var array + */ + protected $update_results = array(); + + /** + * Whether the entire automatic updater is disabled. + * + * @since 3.7.0 + */ + public function is_disabled() { + // Background updates are disabled if you don't want file changes. + if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) + return true; + + if ( defined( 'WP_INSTALLING' ) ) + return true; + + // More fine grained control can be done through the WP_AUTO_UPDATE_CORE constant and filters. + $disabled = defined( 'AUTOMATIC_UPDATER_DISABLED' ) && AUTOMATIC_UPDATER_DISABLED; + + /** + * Filter whether to entirely disable background updates. + * + * There are more fine-grained filters and controls for selective disabling. + * This filter parallels the AUTOMATIC_UPDATER_DISABLED constant in name. + * + * This also disables update notification emails. That may change in the future. + * + * @since 3.7.0 + * + * @param bool $disabled Whether the updater should be disabled. + */ + return apply_filters( 'automatic_updater_disabled', $disabled ); + } + + /** + * Check for version control checkouts. + * + * Checks for Subversion, Git, Mercurial, and Bazaar. It recursively looks up the + * filesystem to the top of the drive, erring on the side of detecting a VCS + * checkout somewhere. + * + * ABSPATH is always checked in addition to whatever $context is (which may be the + * wp-content directory, for example). The underlying assumption is that if you are + * using version control *anywhere*, then you should be making decisions for + * how things get updated. + * + * @since 3.7.0 + * + * @param string $context The filesystem path to check, in addition to ABSPATH. + */ + public function is_vcs_checkout( $context ) { + $context_dirs = array( untrailingslashit( $context ) ); + if ( $context !== ABSPATH ) + $context_dirs[] = untrailingslashit( ABSPATH ); + + $vcs_dirs = array( '.svn', '.git', '.hg', '.bzr' ); + $check_dirs = array(); + + foreach ( $context_dirs as $context_dir ) { + // Walk up from $context_dir to the root. + do { + $check_dirs[] = $context_dir; + + // Once we've hit '/' or 'C:\', we need to stop. dirname will keep returning the input here. + if ( $context_dir == dirname( $context_dir ) ) + break; + + // Continue one level at a time. + } while ( $context_dir = dirname( $context_dir ) ); } - echo ''; - } - function bulk_header() { - $this->feedback('skin_upgrade_start'); - } + $check_dirs = array_unique( $check_dirs ); - function bulk_footer() { - $this->feedback('skin_upgrade_end'); - } + // Search all directories we've found for evidence of version control. + foreach ( $vcs_dirs as $vcs_dir ) { + foreach ( $check_dirs as $check_dir ) { + if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) ) + break 2; + } + } - function before($title = '') { - $this->in_loop = true; - printf( '' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, $this->error) . '
' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '
' . sprintf($this->upgrader->strings['skin_update_successful'], $title, 'jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').toggle();jQuery(\'span\', this).toggle(); return false;') . '