PHP WP_Upgrader::unpack_package方法代码示例

 /**
  * Install a plugin from .org in the background via a cron job (used by
  * installer - opt in).
  * @param string $plugin_to_install_id
  * @param array $plugin_to_install
  * @since 2.6.0
  */
 public static function background_installer($plugin_to_install_id, $plugin_to_install)
 {
     if (!empty($plugin_to_install['repo-slug'])) {
         require_once ABSPATH . 'wp-admin/includes/file.php';
         require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
         require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
         require_once ABSPATH . 'wp-admin/includes/plugin.php';
         WP_Filesystem();
         $skin = new Automatic_Upgrader_Skin();
         $upgrader = new WP_Upgrader($skin);
         $installed_plugins = array_map(array(__CLASS__, 'format_plugin_slug'), array_keys(get_plugins()));
         $plugin_slug = $plugin_to_install['repo-slug'];
         $plugin = $plugin_slug . '/' . $plugin_slug . '.php';
         $installed = false;
         $activate = false;
         // See if the plugin is installed already
         if (in_array($plugin_to_install['repo-slug'], $installed_plugins)) {
             $installed = true;
             $activate = !is_plugin_active($plugin);
         }
         // Install this thing!
         if (!$installed) {
             // Suppress feedback
             ob_start();
             try {
                 $plugin_information = plugins_api('plugin_information', array('slug' => $plugin_to_install['repo-slug'], 'fields' => array('short_description' => false, 'sections' => false, 'requires' => false, 'rating' => false, 'ratings' => false, 'downloaded' => false, 'last_updated' => false, 'added' => false, 'tags' => false, 'homepage' => false, 'donate_link' => false, 'author_profile' => false, 'author' => false)));
                 if (is_wp_error($plugin_information)) {
                     throw new Exception($plugin_information->get_error_message());
                 }
                 $package = $plugin_information->download_link;
                 $download = $upgrader->download_package($package);
                 if (is_wp_error($download)) {
                     throw new Exception($download->get_error_message());
                 }
                 $working_dir = $upgrader->unpack_package($download, true);
                 if (is_wp_error($working_dir)) {
                     throw new Exception($working_dir->get_error_message());
                 }
                 $result = $upgrader->install_package(array('source' => $working_dir, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => false, 'abort_if_destination_exists' => false, 'clear_working' => true, 'hook_extra' => array('type' => 'plugin', 'action' => 'install')));
                 if (is_wp_error($result)) {
                     throw new Exception($result->get_error_message());
                 }
                 $activate = true;
             } catch (Exception $e) {
                 WC_Admin_Notices::add_custom_notice($plugin_to_install_id . '_install_error', sprintf(__('%1$s could not be installed (%2$s). <a href="%3$s">Please install it manually by clicking here.</a>', 'woocommerce'), $plugin_to_install['name'], $e->getMessage(), esc_url(admin_url('index.php?wc-install-plugin-redirect=' . $plugin_to_install['repo-slug']))));
             }
             // Discard feedback
             ob_end_clean();
         }
         wp_clean_plugins_cache();
         // Activate this thing
         if ($activate) {
             try {
                 $result = activate_plugin($plugin);
                 if (is_wp_error($result)) {
                     throw new Exception($result->get_error_message());
                 }
             } catch (Exception $e) {
                 WC_Admin_Notices::add_custom_notice($plugin_to_install_id . '_install_error', sprintf(__('%1$s was installed but could not be activated. <a href="%2$s">Please activate it manually by clicking here.</a>', 'woocommerce'), $plugin_to_install['name'], admin_url('plugins.php')));
             }
         }
     }
 }

 /**
  * Upgrades WordPress locally
  */
 public function upgrade_core($current)
 {
     ob_start();
     if (file_exists(ABSPATH . '/wp-admin/includes/update.php')) {
         include_once ABSPATH . '/wp-admin/includes/update.php';
     }
     @wp_version_check();
     $current_update = false;
     ob_end_flush();
     ob_end_clean();
     $core = $this->mmb_get_transient('update_core');
     if (isset($core->updates) && !empty($core->updates)) {
         $updates = $core->updates[0];
         $updated = $core->updates[0];
         if (!isset($updated->response) || $updated->response == 'latest') {
             return array('upgraded' => ' updated');
         }
         if ($updated->response == "development" && $current['response'] == "upgrade") {
             return array('error' => '<font color="#900">Unexpected error. Please upgrade manually.</font>');
         } else {
             if ($updated->response == $current['response'] || $updated->response == "upgrade" && $current['response'] == "development") {
                 if ($updated->locale != $current['locale']) {
                     foreach ($updates as $update) {
                         if ($update->locale == $current['locale']) {
                             $current_update = $update;
                             break;
                         }
                     }
                     if ($current_update == false) {
                         return array('error' => ' Localization mismatch. Try again.');
                     }
                 } else {
                     $current_update = $updated;
                 }
             } else {
                 return array('error' => ' Transient mismatch. Try again.');
             }
         }
     } else {
         return array('error' => ' Refresh transient failed. Try again.');
     }
     if ($current_update != false) {
         global $wp_filesystem, $wp_version;
         if (version_compare($wp_version, '3.1.9', '>')) {
             if (!class_exists('Core_Upgrader')) {
                 include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
             }
             /** @handled class */
             $core = new Core_Upgrader(mwp_container()->getUpdaterSkin());
             $result = $core->upgrade($current_update);
             $this->mmb_maintenance_mode(false);
             if (is_wp_error($result)) {
                 return array('error' => $this->mmb_get_error($result));
             } else {
                 return array('upgraded' => ' updated');
             }
         } else {
             if (!class_exists('WP_Upgrader')) {
                 include_once ABSPATH . 'wp-admin/includes/update.php';
                 if (function_exists('wp_update_core')) {
                     $result = wp_update_core($current_update);
                     if (is_wp_error($result)) {
                         return array('error' => $this->mmb_get_error($result));
                     } else {
                         return array('upgraded' => ' updated');
                     }
                 }
             }
             if (class_exists('WP_Upgrader')) {
                 /** @handled class */
                 $upgrader_skin = new WP_Upgrader_Skin();
                 $upgrader_skin->done_header = true;
                 /** @handled class */
                 $upgrader = new WP_Upgrader($upgrader_skin);
                 // Is an update available?
                 if (!isset($current_update->response) || $current_update->response == 'latest') {
                     return array('upgraded' => ' updated');
                 }
                 $res = $upgrader->fs_connect(array(ABSPATH, WP_CONTENT_DIR));
                 if (is_wp_error($res)) {
                     return array('error' => $this->mmb_get_error($res));
                 }
                 $wp_dir = trailingslashit($wp_filesystem->abspath());
                 $core_package = false;
                 if (isset($current_update->package) && !empty($current_update->package)) {
                     $core_package = $current_update->package;
                 } elseif (isset($current_update->packages->full) && !empty($current_update->packages->full)) {
                     $core_package = $current_update->packages->full;
                 }
                 $download = $upgrader->download_package($core_package);
                 if (is_wp_error($download)) {
                     return array('error' => $this->mmb_get_error($download));
                 }
                 $working_dir = $upgrader->unpack_package($download);
                 if (is_wp_error($working_dir)) {
                     return array('error' => $this->mmb_get_error($working_dir));
                 }
//.........这里部分代码省略.........

 /**
  * Downloads the MarketPress Dashboard
  *
  * @since	0.1
  * @uses	WP_Upgrader, wp_safe_redirect, admin_url
  * @return	void
  */
 public function install_marketpress_dashboard()
 {
     // Download
     $package = 'http://marketpress.com/mpdash.zip';
     $upgrader = new WP_Upgrader(new AU_Install_Skin());
     // File System Connect
     $res = $upgrader->fs_connect(array(WP_CONTENT_DIR, WP_PLUGIN_DIR));
     // Download Package
     $download = $upgrader->download_package($package);
     // Don't delete local files
     $delete_package = $download != $package;
     // Unpack the package
     $working_dir = $upgrader->unpack_package($download, $delete_package);
     // Install the package
     $result = $upgrader->install_package(array('source' => $working_dir, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => FALSE, 'clear_working' => TRUE, 'hook_extra' => array()));
     // Redirect
     wp_safe_redirect(network_admin_url('plugins.php?message=marketpress_installed'));
 }

 function upgrade_core($current, $userid)
 {
     global $iwp_activities_log_post_type, $iwp_mmb_activities_log;
     ob_start();
     if (!function_exists('wp_version_check') || !function_exists('get_core_checksums')) {
         include_once ABSPATH . '/wp-admin/includes/update.php';
     }
     @wp_version_check();
     $current_update = false;
     ob_end_flush();
     ob_end_clean();
     $core = $this->iwp_mmb_get_transient('update_core');
     if (isset($core->updates) && !empty($core->updates)) {
         $updates = $core->updates[0];
         $updated = $core->updates[0];
         if (!isset($updated->response) || $updated->response == 'latest') {
             return array('upgraded' => 'updated');
         }
         if ($updated->response == "development" && $current->response == "upgrade") {
             return array('error' => '<font color="#900">Unexpected error. Please upgrade manually.</font>', 'error_code' => 'unexpected_error_please_upgrade_manually');
         } else {
             if ($updated->response == $current->response || $updated->response == "upgrade" && $current->response == "development") {
                 if ($updated->locale != $current->locale) {
                     foreach ($updates as $update) {
                         if ($update->locale == $current->locale) {
                             $current_update = $update;
                             break;
                         }
                     }
                     if ($current_update == false) {
                         return array('error' => ' Localization mismatch. Try again.', 'error_code' => 'localization_mismatch');
                     }
                 } else {
                     $current_update = $updated;
                 }
             } else {
                 return array('error' => ' Transient mismatch. Try again.', 'error_code' => 'transient_mismatch');
             }
         }
     } else {
         return array('error' => ' Refresh transient failed. Try again.', 'error_code' => 'refresh_transient_failed');
     }
     if ($current_update != false) {
         global $iwp_mmb_wp_version, $wp_filesystem, $wp_version;
         if (version_compare($wp_version, '3.1.9', '>')) {
             if (!class_exists('Core_Upgrader')) {
                 include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
             }
             $core = new Core_Upgrader();
             $result = $core->upgrade($current_update);
             $this->iwp_mmb_maintenance_mode(false);
             if (is_wp_error($result)) {
                 return array('error' => $this->iwp_mmb_get_error($result), 'error_code' => 'maintenance_mode_upgrade_core');
             } else {
                 $iwp_mmb_activities_log->iwp_mmb_save_iwp_activities('core', 'update', $iwp_activities_log_post_type, $current, $userid);
                 return array('upgraded' => 'updated');
             }
         } else {
             if (!class_exists('WP_Upgrader')) {
                 include_once ABSPATH . 'wp-admin/includes/update.php';
                 if (function_exists('wp_update_core')) {
                     $result = wp_update_core($current_update);
                     if (is_wp_error($result)) {
                         return array('error' => $this->iwp_mmb_get_error($result), 'error_code' => 'wp_update_core_upgrade_core');
                     } else {
                         $iwp_mmb_activities_log->iwp_mmb_save_iwp_activities('core', 'update', $iwp_activities_log_post_type, $current, $userid);
                         return array('upgraded' => 'updated');
                     }
                 }
             }
             if (class_exists('WP_Upgrader')) {
                 $upgrader_skin = new WP_Upgrader_Skin();
                 $upgrader_skin->done_header = true;
                 $upgrader = new WP_Upgrader($upgrader_skin);
                 // Is an update available?
                 if (!isset($current_update->response) || $current_update->response == 'latest') {
                     return array('upgraded' => 'updated');
                 }
                 $res = $upgrader->fs_connect(array(ABSPATH, WP_CONTENT_DIR));
                 if (is_wp_error($res)) {
                     return array('error' => $this->iwp_mmb_get_error($res), 'error_code' => 'upgrade_core_wp_error_res');
                 }
                 $wp_dir = trailingslashit($wp_filesystem->abspath());
                 $core_package = false;
                 if (isset($current_update->package) && !empty($current_update->package)) {
                     $core_package = $current_update->package;
                 } elseif (isset($current_update->packages->full) && !empty($current_update->packages->full)) {
                     $core_package = $current_update->packages->full;
                 }
                 $download = $upgrader->download_package($core_package);
                 if (is_wp_error($download)) {
                     return array('error' => $this->iwp_mmb_get_error($download), 'error_code' => 'download_upgrade_core');
                 }
                 $working_dir = $upgrader->unpack_package($download);
                 if (is_wp_error($working_dir)) {
                     return array('error' => $this->iwp_mmb_get_error($working_dir), 'error_code' => 'working_dir_upgrade_core');
                 }
                 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 array('error' => 'Unable to move update files.', 'error_code' => 'unable_to_move_update_files');
//.........这里部分代码省略.........

 function unpack_package($package, $delete_package = true)
 {
     global $wp_filesystem, $updraftplus;
     $updraft_dir = $updraftplus->backups_dir_location();
     // If not database, then it is a zip - unpack in the usual way
     if (!preg_match('/db\\.gz(\\.crypt)?$/i', $package)) {
         return parent::unpack_package($updraft_dir . '/' . $package, $delete_package);
     }
     $backup_dir = $wp_filesystem->find_folder($updraft_dir);
     // Unpack a database. The general shape of the following is copied from class-wp-upgrader.php
     @set_time_limit(1800);
     $this->skin->feedback('unpack_package');
     $upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/';
     @$wp_filesystem->mkdir($upgrade_folder, 0775);
     //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
     $working_dir = $upgrade_folder . basename($package, '.crypt');
     # $working_dir_filesystem = WP_CONTENT_DIR.'/upgrade/'. basename($package, '.crypt');
     // Clean up working directory
     if ($wp_filesystem->is_dir($working_dir)) {
         $wp_filesystem->delete($working_dir, true);
     }
     if (!$wp_filesystem->mkdir($working_dir, 0775)) {
         return new WP_Error('mkdir_failed', __('Failed to create a temporary directory', 'updraftplus') . ' (' . $working_dir . ')');
     }
     // Unpack package to working directory
     if ($updraftplus->is_db_encrypted($package)) {
         $this->skin->feedback('decrypt_database');
         $encryption = UpdraftPlus_Options::get_updraft_option('updraft_encryptionphrase');
         if (!$encryption) {
             return new WP_Error('no_encryption_key', __('Decryption failed. The database file is encrypted, but you have no encryption key entered.', 'updraftplus'));
         }
         // Encrypted - decrypt it
         require_once UPDRAFTPLUS_DIR . '/includes/phpseclib/Crypt/Rijndael.php';
         $rijndael = new Crypt_Rijndael();
         // Get decryption key
         $rijndael->setKey($encryption);
         $ciphertext = $rijndael->decrypt($wp_filesystem->get_contents($backup_dir . $package));
         if ($ciphertext) {
             $this->skin->feedback('decrypted_database');
             if (!$wp_filesystem->put_contents($working_dir . '/backup.db.gz', $ciphertext)) {
                 return new WP_Error('write_failed', __('Failed to write out the decrypted database to the filesystem', 'updraftplus'));
             }
         } else {
             return new WP_Error('decryption_failed', __('Decryption failed. The most likely cause is that you used the wrong key.', 'updraftplus'));
         }
     } else {
         if (!$wp_filesystem->copy($backup_dir . $package, $working_dir . '/backup.db.gz')) {
             if ($wp_filesystem->errors->get_error_code()) {
                 foreach ($wp_filesystem->errors->get_error_messages() as $message) {
                     show_message($message);
                 }
             }
             return new WP_Error('copy_failed', $this->strings['copy_failed']);
         }
     }
     // Once extracted, delete the package if required (non-recursive, is a file)
     if ($delete_package) {
         $wp_filesystem->delete($backup_dir . $package, false, true);
     }
     return $working_dir;
 }