# bubble-menu/1.3/include/class/update.php

Bubble Menu – Floating Button Menu with Sticky Navigation, version 1.3. 253 lines.

- Page: https://pluginprobe.com/plugins/bubble-menu/1.3/code/include/class/update.php
- Raw: https://pluginprobe.com/plugins/bubble-menu/1.3/raw/include/class/update.php
- Modified: 2019-06-24T10:07:14+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/bubble-menu/1.3/code/include/class/update.php#L10-L20`.

```php
<?php
	// uncomment this line for testing
	//set_site_transient( 'update_plugins', null );
	// Exit if accessed directly
	if ( ! defined( 'ABSPATH' ) ) exit;
	/**
		* Allows plugins to use their own update API.
		*
		* @author Pippin Williamson
		* @version 1.6.2
	*/
	class WOW_PLUGIN_UPDATE {
		private $api_url   = '';
		private $api_data  = array();
		private $name      = '';
		private $slug      = '';
		private $version   = '';
		/**
			* Class constructor.
			*
			* @uses plugin_basename()
			* @uses hook()
			*
			* @param string  $_api_url     The URL pointing to the custom API endpoint.
			* @param string  $_plugin_file Path to the plugin file.
			* @param array   $_api_data    Optional data to send with API calls.
		*/
		function __construct( $_api_url, $_plugin_file, $_api_data = null ) {
			$this->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 '<tr class="plugin-update-tr"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"><div class="update-message">';
				$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. <a target="_blank" class="thickbox" href="%2$s">View version %3$s details</a>.', '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. <a target="_blank" class="thickbox" href="%2$s">View version %3$s details</a> or <a href="%4$s">update now</a>.', '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 '</div></td></tr>';
			}
		}
		/**
			* 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 '<div style="background:#fff;padding:10px;">' . $response->sections['changelog'] . '</div>';
			}
			exit;
		}
	}
```