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<?php /** * Allows plugins to use their own update API. * * @author Easy Digital Downloads * @version 1.6.16 / // Exit if accessed directly if ( ! defined( 'ABSPATH' ) ) { exit; } /* * Allows plugins to use their own update API. * * @author Easy Digital Downloads * @version 1.9.1 / class EDD_SL_Plugin_Updater { private $api_url = ''; private $api_data = array(); private $plugin_file = ''; private $name = ''; private $slug = ''; private $version = ''; private $wp_override = false; private $beta = false; private $failed_request_cache_key; /* * 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. / public function __construct( $_api_url, $_plugin_file, $_api_data = null ) { global $edd_plugin_data; $this->api_url = trailingslashit( $_api_url ); $this->api_data = $_api_data; $this->plugin_file = $_plugin_file; $this->name = plugin_basename( $_plugin_file ); $this->slug = basename( $_plugin_file, '.php' ); $this->version = $_api_data['version']; $this->wp_override = isset( $_api_data['wp_override'] ) ? (bool) $_api_data['wp_override'] : false; $this->beta = ! empty( $this->api_data['beta'] ) ? true : false; $this->failed_request_cache_key = 'edd_sl_failed_http_' . md5( $this->api_url ); $edd_plugin_data[ $this->slug ] = $this->api_data; /* * Fires after the $edd_plugin_data is setup. * * @since x.x.x * * @param array $edd_plugin_data Array of EDD SL plugin data. / do_action( 'post_edd_sl_plugin_updater_setup', $edd_plugin_data ); // Set up hooks. $this->init(); } /* * 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 ); add_action( 'after_plugin_row', array( $this, 'show_update_notification' ), 10, 2 ); add_action( 'admin_init', array( $this, 'show_changelog' ) ); } /* * 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. / public function check_update( $_transient_data ) { global $pagenow; if ( ! is_object( $_transient_data ) ) { $_transient_data = new \stdClass(); } if ( ! empty( $_transient_data->response ) && ! empty( $_transient_data->response[ $this->name ] ) && false === $this->wp_override ) { return $_transient_data; } $current = $this->get_repo_api_data(); if ( false !== $current && is_object( $current ) && isset( $current->new_version ) ) { if ( version_compare( $this->version, $current->new_version, '<' ) ) { $_transient_data->response[ $this->name ] = $current; } else { // Populating the no_update information is required to support auto-updates in WordPress 5.5. $_transient_data->no_update[ $this->name ] = $current; } } $_transient_data->last_checked = time(); $_transient_data->checked[ $this->name ] = $this->version; return $_transient_data; } /* * Get repo API data from store. * Save to cache. * * @return \stdClass / public function get_repo_api_data() { $version_info = $this->get_cached_version_info(); if ( false === $version_info ) { $version_info = $this->api_request( 'plugin_latest_version', array( 'slug' => $this->slug, 'beta' => $this->beta, ) ); if ( ! $version_info ) { return false; } // This is required for your plugin to support auto-updates in WordPress 5.5. $version_info->plugin = $this->name; $version_info->id = $this->name; $this->set_version_info_cache( $version_info ); } return $version_info; } /* * Show the update notification on multisite subsites. * * @param string $file * @param array $plugin / public function show_update_notification( $file, $plugin ) { // Return early if in the network admin, or if this is not a multisite install. if ( is_network_admin() \|\| ! is_multisite() ) { return; } // Allow single site admins to see that an update is available. if ( ! current_user_can( 'activate_plugins' ) ) { return; } if ( $this->name !== $file ) { return; } // Do not print any message if update does not exist. $update_cache = get_site_transient( 'update_plugins' ); if ( ! isset( $update_cache->response[ $this->name ] ) ) { if ( ! is_object( $update_cache ) ) { $update_cache = new \stdClass(); } $update_cache->response[ $this->name ] = $this->get_repo_api_data(); } // Return early if this plugin isn't in the transient->response or if the site is running the current or newer version of the plugin. if ( empty( $update_cache->response[ $this->name ] ) \|\| version_compare( $this->version, $update_cache->response[ $this->name ]->new_version, '>=' ) ) { return; } printf( '<tr class="plugin-update-tr %3$s" id="%1$s-update" data-slug="%1$s" data-plugin="%2$s">', $this->slug, $file, in_array( $this->name, $this->get_active_plugins(), true ) ? 'active' : 'inactive' ); echo '<td colspan="3" class="plugin-update colspanchange">'; echo '<div class="update-message notice inline notice-warning notice-alt"><p>'; $changelog_link = ''; if ( ! empty( $update_cache->response[ $this->name ]->sections->changelog ) ) { $changelog_link = add_query_arg( array( 'edd_sl_action' => 'view_plugin_changelog', 'plugin' => urlencode( $this->name ), 'slug' => urlencode( $this->slug ), 'TB_iframe' => 'true', 'width' => 77, 'height' => 911, ), self_admin_url( 'index.php' ) ); } $update_link = add_query_arg( array( 'action' => 'upgrade-plugin', 'plugin' => urlencode( $this->name ), ), self_admin_url( 'update.php' ) ); printf( / translators: the plugin name. / esc_html__( 'There is a new version of %1$s available.', 'easy-digital-downloads' ), esc_html( $plugin['Name'] ) ); if ( ! current_user_can( 'update_plugins' ) ) { echo ' '; esc_html_e( 'Contact your network administrator to install the update.', 'easy-digital-downloads' ); } elseif ( empty( $update_cache->response[ $this->name ]->package ) && ! empty( $changelog_link ) ) { echo ' '; printf( / translators: 1. opening anchor tag, do not translate 2. the new plugin version 3. closing anchor tag, do not translate. / __( '%1$sView version %2$s details%3$s.', 'easy-digital-downloads' ), '<a target="_blank" class="thickbox open-plugin-details-modal" href="' . esc_url( $changelog_link ) . '">', esc_html( $update_cache->response[ $this->name ]->new_version ), '</a>' ); } elseif ( ! empty( $changelog_link ) ) { echo ' '; printf( __( '%1$sView version %2$s details%3$s or %4$supdate now%5$s.', 'easy-digital-downloads' ), '<a target="_blank" class="thickbox open-plugin-details-modal" href="' . esc_url( $changelog_link ) . '">', esc_html( $update_cache->response[ $this->name ]->new_version ), '</a>', '<a target="_blank" class="update-link" href="' . esc_url( wp_nonce_url( $update_link, 'upgrade-plugin_' . $file ) ) . '">', '</a>' ); } else { printf( ' %1$s%2$s%3$s', '<a target="_blank" class="update-link" href="' . esc_url( wp_nonce_url( $update_link, 'upgrade-plugin_' . $file ) ) . '">', esc_html__( 'Update now.', 'easy-digital-downloads' ), '</a>' ); } do_action( "in_plugin_update_message-{$file}", $plugin, $plugin ); echo '</p></div></td></tr>'; } /* * Gets the plugins active in a multisite network. * * @return array / private function get_active_plugins() { $active_plugins = (array) get_option( 'active_plugins' ); $active_network_plugins = (array) get_site_option( 'active_sitewide_plugins' ); return array_merge( $active_plugins, array_keys( $active_network_plugins ) ); } /* * 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 / public function plugins_api_filter( $_data, $_action = '', $_args = null ) { if ( 'plugin_information' !== $_action ) { 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' => array(), 'reviews' => false, 'icons' => array(), ), ); // Get the transient where we store the api request for this plugin for 24 hours $edd_api_request_transient = $this->get_cached_version_info(); //If we have no transient-saved value, run the API, set a fresh transient with the API value, and return that value too right now. if ( empty( $edd_api_request_transient ) ) { $api_response = $this->api_request( 'plugin_information', $to_send ); // Expires in 3 hours $this->set_version_info_cache( $api_response ); if ( false !== $api_response ) { $_data = $api_response; } } else { $_data = $edd_api_request_transient; } // Convert sections into an associative array, since we're getting an object, but Core expects an array. if ( isset( $_data->sections ) && ! is_array( $_data->sections ) ) { $_data->sections = $this->convert_object_to_array( $_data->sections ); } // Convert banners into an associative array, since we're getting an object, but Core expects an array. if ( isset( $_data->banners ) && ! is_array( $_data->banners ) ) { $_data->banners = $this->convert_object_to_array( $_data->banners ); } // Convert icons into an associative array, since we're getting an object, but Core expects an array. if ( isset( $_data->icons ) && ! is_array( $_data->icons ) ) { $_data->icons = $this->convert_object_to_array( $_data->icons ); } // Convert contributors into an associative array, since we're getting an object, but Core expects an array. if ( isset( $_data->contributors ) && ! is_array( $_data->contributors ) ) { $_data->contributors = $this->convert_object_to_array( $_data->contributors ); } if ( ! isset( $_data->plugin ) ) { $_data->plugin = $this->name; } return $_data; } /* * Convert some objects to arrays when injecting data into the update API * * Some data like sections, banners, and icons are expected to be an associative array, however due to the JSON * decoding, they are objects. This method allows us to pass in the object and return an associative array. * * @since 3.6.5 * * @param \stdClass $data * * @return array / private function convert_object_to_array( $data ) { if ( ! is_array( $data ) && ! is_object( $data ) ) { return array(); } $new_data = array(); foreach ( $data as $key => $value ) { $new_data[ $key ] = is_object( $value ) ? $this->convert_object_to_array( $value ) : $value; } return $new_data; } /* * Disable SSL verification in order to prevent download update failures * * @param array $args * @param string $url * @return object $array / public function http_request_args( $args, $url ) { if ( strpos( $url, 'https://' ) !== false && strpos( $url, 'edd_action=package_download' ) ) { $args['sslverify'] = $this->verify_ssl(); } 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\|void / private function api_request( $_action, $_data ) { $data = array_merge( $this->api_data, $_data ); if ( $data['slug'] !== $this->slug ) { return; } // Don't allow a plugin to ping itself if ( trailingslashit( home_url() ) === $this->api_url ) { return false; } if ( $this->request_recently_failed() ) { return false; } return $this->get_version_from_remote(); } /* * Determines if a request has recently failed. * * @since 1.9.1 * * @return bool / private function request_recently_failed() { $failed_request_details = get_option( $this->failed_request_cache_key ); // Request has never failed. if ( empty( $failed_request_details ) \|\| ! is_numeric( $failed_request_details ) ) { return false; } / * Request previously failed, but the timeout has expired. * This means we're allowed to try again. / if ( time() > $failed_request_details ) { delete_option( $this->failed_request_cache_key ); return false; } return true; } /* * Logs a failed HTTP request for this API URL. * We set a timestamp for 1 hour from now. This prevents future API requests from being * made to this domain for 1 hour. Once the timestamp is in the past, API requests * will be allowed again. This way if the site is down for some reason we don't bombard * it with failed API requests. * * @see EDD_SL_Plugin_Updater::request_recently_failed * * @since 1.9.1 / private function log_failed_request() { update_option( $this->failed_request_cache_key, strtotime( '+1 hour' ) ); } /* * If available, show the changelog for sites in a multisite install. / 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'] ) \|\| $this->slug !== $_REQUEST['slug'] ) { return; } if ( ! current_user_can( 'update_plugins' ) ) { wp_die( esc_html__( 'You do not have permission to install plugin updates', 'easy-digital-downloads' ), esc_html__( 'Error', 'easy-digital-downloads' ), array( 'response' => 403 ) ); } $version_info = $this->get_repo_api_data(); if ( isset( $version_info->sections ) ) { $sections = $this->convert_object_to_array( $version_info->sections ); if ( ! empty( $sections['changelog'] ) ) { echo '<div style="background:#fff;padding:10px;">' . wp_kses_post( $sections['changelog'] ) . '</div>'; } } exit; } /* * Gets the current version information from the remote site. * * @return array\|false / private function get_version_from_remote() { $api_params = array( 'edd_action' => 'get_version', 'license' => ! empty( $this->api_data['license'] ) ? $this->api_data['license'] : '', 'item_name' => isset( $this->api_data['item_name'] ) ? $this->api_data['item_name'] : false, 'item_id' => isset( $this->api_data['item_id'] ) ? $this->api_data['item_id'] : false, 'version' => isset( $this->api_data['version'] ) ? $this->api_data['version'] : false, 'slug' => $this->slug, 'author' => $this->api_data['author'], 'url' => home_url(), 'beta' => $this->beta, 'php_version' => phpversion(), 'wp_version' => get_bloginfo( 'version' ), ); /* * Filters the parameters sent in the API request. * * @param array $api_params The array of data sent in the request. * @param array $this->api_data The array of data set up in the class constructor. * @param string $this->plugin_file The full path and filename of the file. / $api_params = apply_filters( 'edd_sl_plugin_updater_api_params', $api_params, $this->api_data, $this->plugin_file ); $request = wp_remote_post( $this->api_url, array( 'timeout' => 15, 'sslverify' => $this->verify_ssl(), 'body' => $api_params, ) ); if ( is_wp_error( $request ) \|\| ( 200 !== wp_remote_retrieve_response_code( $request ) ) ) { $this->log_failed_request(); return false; } $request = json_decode( wp_remote_retrieve_body( $request ) ); if ( $request && isset( $request->sections ) ) { $request->sections = maybe_unserialize( $request->sections ); } else { $request = false; } if ( $request && isset( $request->banners ) ) { $request->banners = maybe_unserialize( $request->banners ); } if ( $request && isset( $request->icons ) ) { $request->icons = maybe_unserialize( $request->icons ); } if ( ! empty( $request->sections ) ) { foreach ( $request->sections as $key => $section ) { $request->$key = (array) $section; } } return $request; } /* * Get the version info from the cache, if it exists. * * @param string $cache_key * @return object / public function get_cached_version_info( $cache_key = '' ) { if ( empty( $cache_key ) ) { $cache_key = $this->get_cache_key(); } $cache = get_option( $cache_key ); // Cache is expired if ( empty( $cache['timeout'] ) \|\| time() > $cache['timeout'] ) { return false; } // We need to turn the icons into an array, thanks to WP Core forcing these into an object at some point. $cache['value'] = json_decode( $cache['value'] ); if ( ! empty( $cache['value']->icons ) ) { $cache['value']->icons = (array) $cache['value']->icons; } return $cache['value']; } /* * Adds the plugin version information to the database. * * @param string $value * @param string $cache_key / public function set_version_info_cache( $value = '', $cache_key = '' ) { if ( empty( $cache_key ) ) { $cache_key = $this->get_cache_key(); } $data = array( 'timeout' => strtotime( '+3 hours', time() ), 'value' => wp_json_encode( $value ), ); update_option( $cache_key, $data, 'no' ); // Delete the duplicate option delete_option( 'edd_api_request_' . md5( serialize( $this->slug . $this->api_data['license'] . $this->beta ) ) ); } /* * Returns if the SSL of the store should be verified. * * @since 1.6.13 * @return bool / private function verify_ssl() { return (bool) apply_filters( 'edd_sl_api_request_verify_ssl', true, $this ); } /* * Gets the unique key (option name) for a plugin. * * @since 1.9.0 * @return string */ private function get_cache_key() { $string = $this->slug . $this->api_data['license'] . $this->beta; return 'edd_sl_' . md5( serialize( $string ) ); } }

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