api_url = trailingslashit( $_api_url ); $this->api_data = $_api_data; $this->name = plugin_basename( $_plugin_file ); $this->slug = basename( $_plugin_file, '.php' ); $this->version = $_api_data['version']; // Set up hooks. $this->init(); add_action( 'admin_init', array( $this, 'show_changelog' ) ); } /** * Set up WordPress filters to hook into WP's update process. * * @uses add_filter() * * @return void */ public function init() { add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_update' ) ); add_filter( 'plugins_api', array( $this, 'plugins_api_filter' ), 10, 3 ); remove_action( 'after_plugin_row_' . $this->name, 'wp_plugin_update_row', 10, 2 ); add_action( 'after_plugin_row_' . $this->name, array( $this, 'show_update_notification' ), 10, 2 ); } /** * Check for Updates at the defined API endpoint and modify the update array. * * This function dives into the update API just when WordPress creates its update array, * then adds a custom API call and injects the custom plugin data retrieved from the API. * It is reassembled from parts of the native WordPress plugin update code. * See wp-includes/update.php line 121 for the original wp_update_plugins() function. * * @uses api_request() * * @param array $_transient_data Update array build by WordPress. * @return array Modified update array with custom plugin data. */ function check_update( $_transient_data ) { global $pagenow; if( ! is_object( $_transient_data ) ) { $_transient_data = new stdClass; } if( 'plugins.php' == $pagenow && is_multisite() ) { return $_transient_data; } if ( empty( $_transient_data->response ) || empty( $_transient_data->response[ $this->name ] ) ) { $version_info = $this->api_request( 'plugin_latest_version', array( 'slug' => $this->slug ) ); if ( false !== $version_info && is_object( $version_info ) && isset( $version_info->new_version ) ) { if( version_compare( $this->version, $version_info->new_version, '<' ) ) { $_transient_data->response[ $this->name ] = $version_info; } $_transient_data->last_checked = time(); $_transient_data->checked[ $this->name ] = $this->version; } } return $_transient_data; } /** * show update nofication row -- needed for multisite subsites, because WP won't tell you otherwise! * * @param string $file * @param array $plugin */ public function show_update_notification( $file, $plugin ) { if( ! current_user_can( 'update_plugins' ) ) { return; } if( ! is_multisite() ) { return; } if ( $this->name != $file ) { return; } // Remove our filter on the site transient remove_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_update' ), 10 ); $update_cache = get_site_transient( 'update_plugins' ); $update_cache = is_object( $update_cache ) ? $update_cache : new stdClass(); if ( empty( $update_cache->response ) || empty( $update_cache->response[ $this->name ] ) ) { $cache_key = md5( 'edd_plugin_' .sanitize_key( $this->name ) . '_version_info' ); $version_info = get_transient( $cache_key ); if( false === $version_info ) { $version_info = $this->api_request( 'plugin_latest_version', array( 'slug' => $this->slug ) ); set_transient( $cache_key, $version_info, 3600 ); } if( ! is_object( $version_info ) ) { return; } if( version_compare( $this->version, $version_info->new_version, '<' ) ) { $update_cache->response[ $this->name ] = $version_info; } $update_cache->last_checked = time(); $update_cache->checked[ $this->name ] = $this->version; set_site_transient( 'update_plugins', $update_cache ); } else { $version_info = $update_cache->response[ $this->name ]; } // Restore our filter add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_update' ) ); if ( ! empty( $update_cache->response[ $this->name ] ) && version_compare( $this->version, $version_info->new_version, '<' ) ) { // build a plugin list row, with update notification $wp_list_table = _get_list_table( 'WP_Plugins_List_Table' ); echo '
'; $changelog_link = self_admin_url( 'index.php?edd_sl_action=view_plugin_changelog&plugin=' . $this->name . '&slug=' . $this->slug . '&TB_iframe=true&width=772&height=911' ); if ( empty( $version_info->download_link ) ) { printf( __( 'There is a new version of %1$s available. View version %3$s details.', 'edd' ), esc_html( $version_info->name ), esc_url( $changelog_link ), esc_html( $version_info->new_version ) ); } else { printf( __( 'There is a new version of %1$s available. View version %3$s details or update now.', 'edd' ), esc_html( $version_info->name ), esc_url( $changelog_link ), esc_html( $version_info->new_version ), esc_url( wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $this->name, 'upgrade-plugin_' . $this->name ) ) ); } echo '
'; } } /** * Updates information on the "View version x.x details" page with custom data. * * @uses api_request() * * @param mixed $_data * @param string $_action * @param object $_args * @return object $_data */ function plugins_api_filter( $_data, $_action = '', $_args = null ) { if ( $_action != 'plugin_information' ) { return $_data; } if ( ! isset( $_args->slug ) || ( $_args->slug != $this->slug ) ) { return $_data; } $to_send = array( 'slug' => $this->slug, 'is_ssl' => is_ssl(), 'fields' => array( 'banners' => false, // These will be supported soon hopefully 'reviews' => false ) ); $api_response = $this->api_request( 'plugin_information', $to_send ); if ( false !== $api_response ) { $_data = $api_response; } return $_data; } /** * Disable SSL verification in order to prevent download update failures * * @param array $args * @param string $url * @return object $array */ function http_request_args( $args, $url ) { // If it is an https request and we are performing a package download, disable ssl verification if ( strpos( $url, 'https://' ) !== false && strpos( $url, 'edd_action=package_download' ) ) { $args['sslverify'] = false; } return $args; } /** * Calls the API and, if successfull, returns the object delivered by the API. * * @uses get_bloginfo() * @uses wp_remote_post() * @uses is_wp_error() * * @param string $_action The requested action. * @param array $_data Parameters for the API action. * @return false|object */ private function api_request( $_action, $_data ) { global $wp_version; $data = array_merge( $this->api_data, $_data ); if ( $data['slug'] != $this->slug ) { return; } if( $this->api_url == home_url() ) { return false; // Don't allow a plugin to ping itself } $api_params = array( 'edd_action' => 'get_version', 'license' => ! empty( $data['license'] ) ? $data['license'] : '', 'item_name' => isset( $data['item_name'] ) ? $data['item_name'] : false, 'item_id' => isset( $data['item_id'] ) ? $data['item_id'] : false, 'slug' => $data['slug'], 'author' => $data['author'], 'url' => home_url() ); $request = wp_remote_post( $this->api_url, array( 'timeout' => 15, 'sslverify' => false, 'body' => $api_params ) ); if ( ! is_wp_error( $request ) ) { $request = json_decode( wp_remote_retrieve_body( $request ) ); } if ( $request && isset( $request->sections ) ) { $request->sections = maybe_unserialize( $request->sections ); } else { $request = false; } return $request; } public function show_changelog() { if( empty( $_REQUEST['edd_sl_action'] ) || 'view_plugin_changelog' != $_REQUEST['edd_sl_action'] ) { return; } if( empty( $_REQUEST['plugin'] ) ) { return; } if( empty( $_REQUEST['slug'] ) ) { return; } if( ! current_user_can( 'update_plugins' ) ) { wp_die( __( 'You do not have permission to install plugin updates', 'edd' ), __( 'Error', 'edd' ), array( 'response' => 403 ) ); } $response = $this->api_request( 'plugin_latest_version', array( 'slug' => $_REQUEST['slug'] ) ); if( $response && isset( $response->sections['changelog'] ) ) { echo '
' . $response->sections['changelog'] . '
'; } exit; } }