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<?php // Exit if accessed directly if (!defined('ABSPATH')) { exit; } /** * Allows plugins to use their own update API. * * @author Easy Digital Downloads * @version 1.6.17 */ class Chaty_SL_Plugin_Updater { private $api_url = ''; private $api_data = []; private $name = ''; private $slug = ''; private $version = ''; private $wp_override = false; private $cache_key = ''; private $health_check_timeout = 10; private $beta = false; /** * 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; $this->name = plugin_basename($_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; $this->cache_key = 'edd_sl_'.md5(serialize($this->slug.$this->api_data['license'].$this->beta)); $edd_plugin_data[$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(); }//end __construct() /** * 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', [ $this, 'check_update' ]); add_filter('plugins_api', [ $this, 'plugins_api_filter' ], 10, 3); remove_action('after_plugin_row_'.$this->name, 'wp_plugin_update_row', 10); add_action('after_plugin_row_'.$this->name, [ $this, 'show_update_notification' ], 10, 2); add_action('admin_init', [ $this, 'show_changelog' ]); }//end init() /** * 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 ('plugins.php' == $pagenow && is_multisite()) { return $_transient_data; } if (! empty($_transient_data->response) && ! empty($_transient_data->response[$this->name]) && false === $this->wp_override) { return $_transient_data; } $version_info = $this->get_cached_version_info(); if (false === $version_info || null === $version_info) { $version_info = $this->api_request('plugin_latest_version', [ 'slug' => $this->slug, 'beta' => $this->beta ]); $this->set_version_info_cache($version_info); } 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; }//end check_update() /** * 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, $plugin) { if (is_network_admin()) { return; } if (! current_user_can('update_plugins')) { return; } if (! is_multisite()) { return; } if ($this->name != $file) { return; } // Remove our filter on the site transient remove_filter('pre_set_site_transient_update_plugins', [ $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])) { $version_info = $this->get_cached_version_info(); if (false === $version_info) { $version_info = $this->api_request('plugin_latest_version', [ 'slug' => $this->slug, 'beta' => $this->beta ]); // Since we disabled our filter for the transient, we aren't running our object conversion on banners, sections, or icons. Do this now: if (isset($version_info->banners) && ! is_array($version_info->banners)) { $version_info->banners = $this->convert_object_to_array($version_info->banners); } if (isset($version_info->sections) && ! is_array($version_info->sections)) { $version_info->sections = $this->convert_object_to_array($version_info->sections); } if (isset($version_info->icons) && ! is_array($version_info->icons)) { $version_info->icons = $this->convert_object_to_array($version_info->icons); } $this->set_version_info_cache($version_info); } 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]; }//end if // Restore our filter add_filter('pre_set_site_transient_update_plugins', [ $this, 'check_update' ]); if (! empty($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'); // <tr class="plugin-update-tr"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"> ?> <tr class="plugin-update-tr" id="<?php echo esc_attr($this->slug) ?>'-update" data-slug="<?php echo esc_attr($this->slug) ?>" data-plugin="<?php echo esc_attr($this->slug) ?>/<?php echo esc_attr($file) ?>"> <td colspan="3" class="plugin-update colspanchange"> <div class="update-message notice inline notice-warning notice-alt"> <?php $changelog_link = self_admin_url('index.php?edd_sl_action=view_plugin_changelog&plugin='.$this->name.'&slug='.$this->slug.'&TB_iframe=true&width=772&height=911'); if (empty($version_info->download_link)) { printf( esc_html__("There is a new version of %1\$s available. %2\$sView version %3\$s details%4\$s.", 'easy-digital-downloads'), esc_attr($version_info->name), '<a target="_blank" class="thickbox" href="'.esc_url($changelog_link).'">', esc_attr($version_info->new_version), '</a>' ); } else { printf( esc_html__("There is a new version of %1\$s available. %2\$sView version %3\$s details%4\$s or %5\$supdate now%6\$s.", 'easy-digital-downloads'), esc_attr($version_info->name), '<a target="_blank" class="thickbox" href="'.esc_url($changelog_link).'">', esc_attr($version_info->new_version), '</a>', '<a href="'.esc_url(wp_nonce_url(self_admin_url('update.php?action=upgrade-plugin&plugin=').$this->name, 'upgrade-plugin_'.$this->name)).'">', '</a>' ); } do_action("in_plugin_update_message-{$file}", $plugin, $version_info); ?></div></td></tr><?php }//end if }//end show_update_notification() /** * 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='', $_args=null) { if ($_action != 'plugin_information') { return $_data; } if (! isset($_args->slug) || ( $_args->slug != $this->slug )) { return $_data; } $to_send = [ 'slug' => $this->slug, 'is_ssl' => is_ssl(), 'fields' => [ 'banners' => [], 'reviews' => false, 'icons' => [], ], ]; $cache_key = 'edd_api_request_'.md5(serialize($this->slug.$this->api_data['license'].$this->beta)); // Get the transient where we store the api request for this plugin for 24 hours $edd_api_request_transient = $this->get_cached_version_info($cache_key); // 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, $cache_key); 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); } return $_data; }//end plugins_api_filter() /** * 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) { $new_data = []; foreach ($data as $key => $value) { $new_data[$key] = $value; } return $new_data; }//end convert_object_to_array() /** * 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) { $verify_ssl = $this->verify_ssl(); if (strpos($url, 'https://') !== false && strpos($url, 'edd_action=package_download')) { $args['sslverify'] = $verify_ssl; } return $args; }//end http_request_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, $edd_plugin_url_available; // Do a quick status check on this domain if we haven't already checked it. $store_hash = md5($this->api_url); if (! is_array($edd_plugin_url_available) || ! isset($edd_plugin_url_available[$store_hash])) { $test_url_parts = parse_url($this->api_url); $scheme = ! empty($test_url_parts['scheme']) ? $test_url_parts['scheme'] : 'http'; $host = ! empty($test_url_parts['host']) ? $test_url_parts['host'] : ''; $port = ! empty($test_url_parts['port']) ? ':'.$test_url_parts['port'] : ''; if (empty($host)) { $edd_plugin_url_available[$store_hash] = false; } else { $edd_plugin_url_available[$store_hash] = true; } } if (false === $edd_plugin_url_available[$store_hash]) { return; } $data = array_merge($this->api_data, $_data); if ($data['slug'] != $this->slug) { return; } if ($this->api_url == trailingslashit(home_url())) { return false; // Don't allow a plugin to ping itself } $api_params = [ 'edd_action' => 'get_version', 'license' => ! empty($data['license']) ? $data['license'] : '', 'item_name' => isset($data['item_name']) ? $data['item_name'] : false, 'item_id' => isset($data['item_id']) ? $data['item_id'] : false, 'version' => isset($data['version']) ? $data['version'] : false, 'slug' => $data['slug'], 'author' => $data['author'], 'url' => home_url(), 'beta' => ! empty($data['beta']), ]; $verify_ssl = $this->verify_ssl(); $request = wp_remote_post($this->api_url, [ 'timeout' => 15, 'sslverify' => $verify_ssl, '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 { $request = false; } if ($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; }//end api_request() public function show_changelog() { global $edd_plugin_data; $request = $_REQUEST; $edd_sl_action = isset($request['edd_sl_action']) ? $request['edd_sl_action'] : ""; if (empty($edd_sl_action) || 'view_plugin_changelog' != $edd_sl_action) { return; } $plugin = isset($request['plugin']) ? $request['plugin'] : ""; if (empty($plugin)) { return; } $slug = isset($request['slug']) ? $request['slug'] : ""; if (empty($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'), [ 'response' => 403 ]); } $data = $edd_plugin_data[$slug]; $beta = ! empty($data['beta']) ? true : false; $cache_key = md5('edd_plugin_'.sanitize_key($plugin).'_'.$beta.'_version_info'); $version_info = $this->get_cached_version_info($cache_key); if (false === $version_info) { $api_params = [ 'edd_action' => 'get_version', 'item_name' => isset($data['item_name']) ? $data['item_name'] : false, 'item_id' => isset($data['item_id']) ? $data['item_id'] : false, 'slug' => $slug, 'author' => $data['author'], 'url' => home_url(), 'beta' => ! empty($data['beta']), ]; $verify_ssl = $this->verify_ssl(); $request = wp_remote_post($this->api_url, [ 'timeout' => 15, 'sslverify' => $verify_ssl, 'body' => $api_params ]); if (! is_wp_error($request)) { $version_info = json_decode(wp_remote_retrieve_body($request)); } if (! empty($version_info) && isset($version_info->sections)) { $version_info->sections = maybe_unserialize($version_info->sections); } else { $version_info = false; } if (! empty($version_info)) { foreach ($version_info->sections as $key => $section) { $version_info->$key = (array) $section; } } $this->set_version_info_cache($version_info, $cache_key); }//end if if (! empty($version_info) && isset($version_info->sections['changelog'])) { ?><div style="background:#fff;padding:10px;"><?php echo esc_attr($version_info->sections['changelog']) ?></div><?php } wp_die(); }//end show_changelog() public function get_cached_version_info($cache_key='') { if (empty($cache_key)) { $cache_key = $this->cache_key; } $cache = get_option($cache_key); if (empty($cache['timeout']) || time() > $cache['timeout']) { return false; // Cache is expired } // 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 $cache['value']; }//end get_cached_version_info() public function set_version_info_cache($value='', $cache_key='') { if (empty($cache_key)) { $cache_key = $this->cache_key; } $data = [ 'timeout' => strtotime('+3 hours', time()), 'value' => json_encode($value), ]; update_option($cache_key, $data, 'no'); }//end set_version_info_cache() /** * 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); }//end verify_ssl() }//end class
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