install_pkg( $plugin, "http://presspermit.com/index.php?PPServerRequest=download&update=$slug&version=VERSION&key=KEY&site=URL" ); } } } // end class RS_Updater /** * RS_Upgrader class * * Provides foundational functionality specific to Press Permit update * processing classes. * * Extensions derived from the WordPress WP_Upgrader & Plugin_Upgrader classes: * @see wp-admin/includes/class-wp-upgrader.php * * @copyright WordPress {@link http://codex.wordpress.org/Copyright_Holders} * * @author Jonathan Davis * @author Kevin Behrens **/ class RS_Upgrader extends Plugin_Upgrader { function download_package($package) { 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 ); $vars = array('VERSION','KEY','URL'); $values = array( '0', '', urlencode( get_option('siteurl') ) ); $package = str_replace( $vars, $values, $package ); $download_file = $this->download_url($package); if ( is_wp_error($download_file) ) return new WP_Error('download_failed', $this->strings['download_failed'], $download_file->get_error_message()); return $download_file; } function download_url ( $url ) { //WARNING: The file is not automatically deleted, The script must unlink() the file. if ( ! $url ) return new WP_Error('http_no_url', __awp('Invalid URL Provided')); $request = parse_url($url); parse_str($request['query'],$query); $tmpfname = wp_tempnam( $query['update'] . ".zip" ); if ( ! $tmpfname ) return new WP_Error('http_no_file', __awp('Could not create Temporary file')); $handle = @fopen($tmpfname, 'wb'); if ( ! $handle ) return new WP_Error('http_no_file', __awp('Could not create Temporary file')); $response = wp_remote_get($url, array('timeout' => 300)); if ( is_wp_error($response) ) { fclose($handle); unlink($tmpfname); return $response; } if ( $response['response']['code'] != '200' ){ fclose($handle); unlink($tmpfname); return new WP_Error('http_404', trim($response['response']['message'])); } fwrite($handle, $response['body']); fclose($handle); return $tmpfname; } function unpack_package($package, $delete_package = true, $clear_working = true) { global $wp_filesystem; $this->skin->feedback('unpack_package'); $upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/'; //Clean up contents of upgrade directory beforehand. if ($clear_working) { $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, '.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? // Once extracted, delete the package if required. if ( $delete_package ) unlink($package); if ( is_wp_error($result) ) { $wp_filesystem->delete($working_dir, true); return $result; } $this->working_dir = $working_dir; return $working_dir; } } /** * RS_Core_Upgrader class * * Adds auto-update support for the core plugin. * * Extensions derived from the WordPress WP_Upgrader & Plugin_Upgrader classes: * @see wp-admin/includes/class-wp-upgrader.php * * @copyright WordPress {@link http://codex.wordpress.org/Copyright_Holders} * * @author Jonathan Davis * @author Kevin Behrens **/ class RS_Core_Upgrader extends RS_Upgrader { function install_pkg_strings($plugin) { if ( $title = ucwords( str_replace( '-', ' ', $plugin ) ) ) { $this->strings['no_package'] = __awp('Install package not available.'); $this->strings['downloading_package'] = sprintf(__awp('Downloading install package from %s…'),untrailingslashit('http://presspermit.com/')); $this->strings['unpack_package'] = __awp('Unpacking the package…'); $this->strings['installing_package'] = __awp('Installing the plugin…'); $this->strings['process_failed'] = sprintf( __awp('%s install Failed.','pp'), $title ); $this->strings['process_success'] = sprintf( __awp('%s installed successfully.','pp'), $title ); } } function install_pkg( $slug, $package_url ) { $this->init(); $this->install_pkg_strings($slug); if ( defined( 'RSU_VERSION' ) ) { echo '
'; _e( 'The plugin is already installed, and can be accessed using the RS Migration menu item.', 'rsu' ); } else { add_filter('upgrader_source_selection', array(&$this, 'check_package') ); $this->run(array( 'package' => $package_url, 'destination' => WP_PLUGIN_DIR, 'clear_destination' => false, //Do not overwrite files. 'clear_working' => true, 'hook_extra' => array(), 'plugin' => "{$slug}/{$slug}.php", )); remove_filter('upgrader_source_selection', array(&$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_cache_delete( 'plugins', 'plugins' ); return true; } } /** * RS_Installer_Skin class * * Extensions derived from the WordPress Plugin_Upgrader_Skin class: * @see wp-admin/includes/class-wp-upgrader.php * * @author Jonathan Davis * @author Kevin Behrens **/ class RS_Installer_Skin extends Plugin_Installer_Skin { /** * Custom heading * * @author Jonathan Davis * @author Kevin Behrens * * @return void Description... **/ function header() { if ( $this->done_header ) return; $this->done_header = true; echo '

'; echo screen_icon(); echo '

' . $this->options['title'] . '

'; } /** * Displays a return to plugins page button after installation * * @author Kevin Behrens * * @return void **/ function after() { $plugin_file = $this->upgrader->plugin_info(); $install_actions = array(); $from = isset($_GET['from']) ? stripslashes($_GET['from']) : 'plugins'; $install_actions['activate_plugin'] = '' . __('Activate Plugin') . ''; if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) { $install_actions['network_activate'] = '' . __('Network Activate') . ''; unset( $install_actions['activate_plugin'] ); } $install_actions = apply_filters('install_plugin_complete_actions', $install_actions, $this->api, $plugin_file); if ( ! empty($install_actions) ) $this->feedback(implode(' | ', (array)$install_actions)); } } // END class RS_Installer_Skin ?>