laipower/wp-content/plugins/wp-mail-smtp/src/Admin/PluginsInstallUpgrader.php

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2020-04-07 13:03:04 +00:00
<?php
namespace WPMailSMTP\Admin;
use WP_Error;
use WP_Upgrader;
use WP_Filesystem_Base;
/** \WP_Upgrader class */
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
/** \Plugin_Upgrader class */
require_once ABSPATH . 'wp-admin/includes/class-plugin-upgrader.php';
/**
* In WP 5.3 a PHP 5.6 splat operator (...$args) was added to \WP_Upgrader_Skin::feedback().
* We need to remove all calls to *Skin::feedback() method, as we can't override it in own Skin
* without breaking support for PHP 5.3-5.5.
*
* @internal Please do not use this class outside of core WPForms development. May be removed at any time.
*
* @since 1.7.1
*/
class PluginsInstallUpgrader extends \Plugin_Upgrader {
/**
* Run an upgrade/installation.
*
* 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/installation
* actions being performed in bulk. When true, the skin
* WP_Upgrader::header() and WP_Upgrader::footer()
* aren't called. Default false.
* @type array $hook_extra Extra arguments to pass to the filter hooks called by
* 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 );
/**
* Filters the package options before running an update.
*
* See also {@see 'upgrader_process_complete'}.
*
* @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.
*
* @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 string $plugin Path to the plugin file relative to the plugins directory.
* @type string $theme The stylesheet or template name of the theme.
* @type string $language_update_type The language pack update type. Accepts 'plugin', 'theme',
* or 'core'.
* @type object $language_update The language pack update offer.
* }
* }
*/
$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, $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;
}
/*
* Download the package (Note, This just returns the filename
* of the file if the package is a local file)
*/
$download = $this->download_package( $options['package'], true );
// Allow for signature soft-fail.
// WARNING: This may be removed in the future.
if ( is_wp_error( $download ) && $download->get_error_data( 'softfail-filename' ) ) {
// Don't output the 'no signature could be found' failure message for now.
if ( 'signature_verification_no_signature' != $download->get_error_code() || WP_DEBUG ) {
// Outout the failure error as a normal feedback, and not as an error:
//$this->skin->feedback( $download->get_error_message() );
// Report this failure back to WordPress.org for debugging purposes.
wp_version_check(
array(
'signature_failure_code' => $download->get_error_code(),
'signature_failure_data' => $download->get_error_data(),
)
);
}
// Pretend this error didn't happen.
$download = $download->get_error_data( 'softfail-filename' );
}
if ( is_wp_error( $download ) ) {
$this->skin->error( $download );
$this->skin->after();
if ( ! $options['is_multi'] ) {
$this->skin->footer();
}
return $download;
}
$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' => $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( $result );
//$this->skin->feedback( 'process_failed' );
} else {
// Installation succeeded.
//$this->skin->feedback( 'process_success' );
}
$this->skin->after();
if ( ! $options['is_multi'] ) {
/**
* Fires when the upgrader process is complete.
*
* See also {@see 'upgrader_package_options'}.
*
* @since 3.6.0
* @since 3.7.0 Added to WP_Upgrader::run().
* @since 4.6.0 `$translations` was added as a possible argument to `$hook_extra`.
*
* @param WP_Upgrader $this WP_Upgrader instance. In other contexts, $this, might be a
* Theme_Upgrader, Plugin_Upgrader, Core_Upgrade, or Language_Pack_Upgrader instance.
* @param array $hook_extra {
* Array of bulk item update data.
*
* @type string $action Type of action. Default 'update'.
* @type string $type Type of update process. Accepts 'plugin', 'theme', 'translation', or 'core'.
* @type bool $bulk Whether the update process is a bulk update. Default true.
* @type array $plugins Array of the basename paths of the plugins' main files.
* @type array $themes The theme slugs.
* @type array $translations {
* Array of translations update data.
*
* @type string $language The locale the translation is for.
* @type string $type Type of translation. Accepts 'plugin', 'theme', or 'core'.
* @type string $slug Text domain the translation is for. The slug of a theme/plugin or
* 'default' for core translations.
* @type string $version The version of a theme, plugin, or core.
* }
* }
*/
do_action( 'upgrader_process_complete', $this, $options['hook_extra'] );
$this->skin->footer();
}
return $result;
}
/**
* 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 ( $enable ) {
//$this->skin->feedback( 'maintenance_start' );
// Create maintenance file to signal that we are upgrading
$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
$wp_filesystem->delete( $file );
$wp_filesystem->put_contents( $file, $maintenance_string, FS_CHMOD_FILE );
} elseif ( ! $enable && $wp_filesystem->exists( $file ) ) {
//$this->skin->feedback( 'maintenance_end' );
$wp_filesystem->delete( $file );
}
}
/**
* 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.
* @param bool $check_signatures Whether to validate file signatures. Default false.
* @return string|WP_Error The full path to the downloaded package file, or a WP_Error object.
*/
public function download_package( $package, $check_signatures = false ) {
/**
* Filters 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..
}
if ( empty( $package ) ) {
return new WP_Error( 'no_package', $this->strings['no_package'] );
}
//$this->skin->feedback( 'downloading_package', $package );
$download_file = download_url( $package, 300, $check_signatures );
if ( is_wp_error( $download_file ) && ! $download_file->get_error_data( 'softfail-filename' ) ) {
return new WP_Error( 'download_failed', $this->strings['download_failed'], $download_file->get_error_message() );
}
return $download_file;
}
/**
* Unpack a compressed package file.
*
* @since 2.8.0
*
* @global WP_Filesystem_Base $wp_filesystem WordPress 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 WP_Error on failure.
*/
public function unpack_package( $package, $delete_package = true ) {
global $wp_filesystem;
//$this->skin->feedback( 'unpack_package' );
$upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/';
//Clean up contents of upgrade directory beforehand.
$upgrade_files = $wp_filesystem->dirlist( $upgrade_folder );
if ( ! empty( $upgrade_files ) ) {
foreach ( $upgrade_files as $file ) {
$wp_filesystem->delete( $upgrade_folder . $file['name'], true );
}
}
// 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 );
// Once extracted, delete the package if required.
if ( $delete_package ) {
unlink( $package );
}
if ( is_wp_error( $result ) ) {
$wp_filesystem->delete( $working_dir, true );
if ( 'incompatible_archive' == $result->get_error_code() ) {
return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() );
}
return $result;
}
return $working_dir;
}
/**
* 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 WordPress 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 $hook_extra Extra arguments to pass to the filter hooks called by
* WP_Upgrader::install_package(). Default empty array.
* }
*
* @return array|WP_Error The result (also stored in `WP_Upgrader::$result`), or a 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'];
set_time_limit( 300 );
if ( empty( $source ) || empty( $destination ) ) {
return new WP_Error( 'bad_request', $this->strings['bad_request'] );
}
//$this->skin->feedback( 'installing_package' );
/**
* Filters 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 = $args['source'];
$local_destination = $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( $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 folder name of this file as the destination folder. Folder name is based on zip filename.
$source = trailingslashit( $args['source'] );
}
/**
* Filters the source file location for the upgrade package.
*
* @since 2.8.0
* @since 4.4.0 The $hook_extra parameter became available.
*
* @param string $source File source location.
* @param string $remote_source Remote file source location.
* @param WP_Upgrader $this WP_Upgrader instance.
* @param array $hook_extra Extra arguments passed to hooked filters.
*/
$source = apply_filters( 'upgrader_source_selection', $source, $remote_source, $this, $args['hook_extra'] );
if ( is_wp_error( $source ) ) {
return $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 ( $clear_destination ) {
// We're going to clear the destination if there's something there.
//$this->skin->feedback( 'remove_old' );
$removed = $this->clear_destination( $remote_destination );
/**
* Filters 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;
}
} 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 );
if ( ! empty( $_files ) ) {
$wp_filesystem->delete( $remote_source, true ); //Clear out the source files.
return new WP_Error( 'folder_exists', $this->strings['folder_exists'], $remote_destination );
}
}
//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_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 ( $args['clear_working'] ) {
$wp_filesystem->delete( $remote_source, true );
}
return $result;
}
//Clear the Working folder?
if ( $args['clear_working'] ) {
$wp_filesystem->delete( $remote_source, true );
}
$destination_name = basename( str_replace( $local_destination, '', $destination ) );
if ( '.' == $destination_name ) {
$destination_name = '';
}
$this->result = compact( 'source', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination' );
/**
* Filters the installation response after the installation has finished.
*
* @since 2.8.0
*
* @param bool $response Installation 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 );
if ( is_wp_error( $res ) ) {
$this->result = $res;
return $res;
}
//Bombard the calling function will all the info which we've just used.
return $this->result;
}
}