upgrade.php000066600000045251152142642400006717 0ustar00options = &$options; } /** * Check if upgrade is possible otherwise die to avoid activation * * @since 1.2 */ public function can_activate() { if ( ! $this->can_upgrade() ) { ob_start(); $this->admin_notices(); // FIXME the error message is displayed two times die( ob_get_contents() ); } } /** * Upgrades if possible otherwise returns false to stop Polylang loading * * @since 1.2 * * @return bool true if upgrade is possible, false otherwise */ public function upgrade() { if ( ! $this->can_upgrade() ) { add_action( 'all_admin_notices', array( $this, 'admin_notices' ) ); return false; } add_action( 'admin_init', array( $this, '_upgrade' ) ); return true; } /** * Check if we the previous version is not too old * Upgrades if OK * /!\ never start any upgrade before admin_init as it is likely to conflict with some other plugins * * @since 1.2 * * @return bool true if upgrade is possible, false otherwise */ public function can_upgrade() { // Don't manage upgrade from version < 0.8 return version_compare( $this->options['version'], '0.8', '>=' ); } /** * Displays a notice when ugrading from a too old version * * @since 1.0 */ public function admin_notices() { load_plugin_textdomain( 'polylang', false, basename( POLYLANG_DIR ) . '/languages' ); printf( '

%s

%s

', esc_html__( 'Polylang has been deactivated because you upgraded from a too old version.', 'polylang' ), sprintf( /* translators: %s are Polylang version numbers */ esc_html__( 'Please upgrade first to %s before ugrading to %s.', 'polylang' ), '0.9.8', POLYLANG_VERSION ) ); } /** * Upgrades the plugin depending on the previous version * * @since 1.2 */ public function _upgrade() { foreach ( array( '0.9', '1.0', '1.1', '1.2', '1.2.1', '1.2.3', '1.3', '1.4', '1.4.1', '1.4.4', '1.5', '1.6', '1.7.4', '1.8', '2.0.8', '2.1', '2.2' ) as $version ) { if ( version_compare( $this->options['version'], $version, '<' ) ) { call_user_func( array( $this, 'upgrade_' . str_replace( '.', '_', $version ) ) ); } } $delete_pre_1_2_data = get_transient( 'pll_upgrade_1_4' ); if ( false !== $delete_pre_1_2_data && absint( $delete_pre_1_2_data ) < time() ) { $this->delete_pre_1_2_data(); } $this->options['previous_version'] = $this->options['version']; // Remember the previous version of Polylang since v1.7.7 $this->options['version'] = POLYLANG_VERSION; update_option( 'polylang', $this->options ); } /** * Upgrades if the previous version is < 0.9 * * @since 1.2 */ protected function upgrade_0_9() { $this->options['sync'] = defined( 'PLL_SYNC' ) && ! PLL_SYNC ? 0 : 1; // The option replaces PLL_SYNC in 0.9 } /** * Upgrades if the previous version is < 1.0 * * @since 1.2 */ protected function upgrade_1_0() { // The option replaces PLL_MEDIA_SUPPORT in 1.0 $this->options['media_support'] = defined( 'PLL_MEDIA_SUPPORT' ) && ! PLL_MEDIA_SUPPORT ? 0 : 1; // Split the synchronization options in 1.0 $this->options['sync'] = empty( $this->options['sync'] ) ? array() : array_keys( PLL_Settings_Sync::list_metas_to_sync() ); // Set default values for post types and taxonomies to translate $this->options['post_types'] = array_values( get_post_types( array( '_builtin' => false, 'show_ui' => true ) ) ); $this->options['taxonomies'] = array_values( get_taxonomies( array( '_builtin' => false, 'show_ui' => true ) ) ); update_option( 'polylang', $this->options ); flush_rewrite_rules(); // Rewrite rules have been modified in 1.0 } /** * Upgrades if the previous version is < 1.1 * * @since 1.2 */ protected function upgrade_1_1() { // Update strings register with icl_register_string $strings = get_option( 'polylang_wpml_strings' ); if ( $strings ) { foreach ( $strings as $key => $string ) { $strings[ $key ]['icl'] = 1; } update_option( 'polylang_wpml_strings', $strings ); } // Move polylang_widgets options if ( $widgets = get_option( 'polylang_widgets' ) ) { $this->options['widgets'] = $widgets; delete_option( 'polylang_widgets' ); } } /** * Upgrades if the previous version is < 1.2 * * @since 1.2 */ protected function upgrade_1_2() { $this->options['domains'] = array(); // Option added in 1.2 // Need to register the taxonomies foreach ( array( 'language', 'term_language', 'post_translations', 'term_translations' ) as $taxonomy ) { register_taxonomy( $taxonomy, null , array( 'label' => false, 'public' => false, 'query_var' => false, 'rewrite' => false ) ); } // Abort if the db upgrade has already been done previously if ( get_terms( 'term_language', array( 'hide_empty' => 0 ) ) ) { return; } set_time_limit( 0 ); // In case we upgrade a huge site // Upgrade old model based on metas to new model based on taxonomies global $wpdb; $wpdb->termmeta = $wpdb->prefix . 'termmeta'; // Registers the termmeta table in wpdb $languages = get_terms( 'language', array( 'hide_empty' => 0 ) ); // Don't use get_languages_list which can't work with the old model foreach ( $languages as $lang ) { // First update language with new storage for locale and text direction $text_direction = get_metadata( 'term', $lang->term_id, '_rtl', true ); $desc = serialize( array( 'locale' => $lang->description, 'rtl' => $text_direction ) ); wp_update_term( (int) $lang->term_id, 'language', array( 'description' => $desc ) ); // Add language to new 'term_language' taxonomy $term_lang = wp_insert_term( $lang->name, 'term_language', array( 'slug' => 'pll_' . $lang->slug ) ); $lang_tt_ids[ $lang->term_id ] = $term_lang['term_taxonomy_id']; // Keep the term taxonomy id for future } // Get all terms with a language defined $terms = $wpdb->get_results( "SELECT term_id, meta_value FROM $wpdb->termmeta WHERE meta_key = '_language'" ); foreach ( $terms as $key => $term ) { $terms[ $key ] = $wpdb->prepare( '( %d, %d )', $term->term_id, $lang_tt_ids[ $term->meta_value ] ); } $terms = array_unique( $terms ); // Assign language to each term if ( ! empty( $terms ) ) { $wpdb->query( "INSERT INTO $wpdb->term_relationships ( object_id, term_taxonomy_id ) VALUES " . implode( ',', $terms ) ); } // Translations foreach ( array( 'post', 'term' ) as $type ) { $table = $type . 'meta'; $terms = $slugs = $tts = $trs = array(); // Get all translated objects $objects = $wpdb->get_col( "SELECT DISTINCT meta_value FROM {$wpdb->$table} WHERE meta_key = '_translations'" ); if ( empty( $objects ) ) { continue; } foreach ( $objects as $obj ) { $term = uniqid( 'pll_' ); // The term name $terms[] = $wpdb->prepare( '( "%s", "%s" )', $term, $term ); $slugs[] = $wpdb->prepare( '"%s"', $term ); $translations = maybe_unserialize( maybe_unserialize( $obj ) ); // 2 unserialize due to an old storage bug $description[ $term ] = serialize( $translations ); } $terms = array_unique( $terms ); // Insert terms if ( ! empty( $terms ) ) { $wpdb->query( "INSERT INTO $wpdb->terms ( slug, name ) VALUES " . implode( ',', $terms ) ); } // Get all terms with their term_id $terms = $wpdb->get_results( "SELECT term_id, slug FROM $wpdb->terms WHERE slug IN ( " . implode( ',', $slugs ) . ' )' ); // Prepare terms taxonomy relationship foreach ( $terms as $term ) { $tts[] = $wpdb->prepare( '( %d, "%s", "%s" )', $term->term_id, $type . '_translations', $description[ $term->slug ] ); } $tts = array_unique( $tts ); // Insert term_taxonomy if ( ! empty( $tts ) ) { $wpdb->query( "INSERT INTO $wpdb->term_taxonomy ( term_id, taxonomy, description ) VALUES " . implode( ',', $tts ) ); } // Get all terms with term_taxonomy_id $terms = get_terms( $type . '_translations', array( 'hide_empty' => false ) ); // Prepare objects relationships foreach ( $terms as $term ) { $translations = unserialize( $term->description ); foreach ( $translations as $object_id ) { if ( ! empty( $object_id ) ) { $trs[] = $wpdb->prepare( '( %d, %d )', $object_id, $term->term_taxonomy_id ); } } } $trs = array_unique( $trs ); // Insert term_relationships if ( ! empty( $trs ) ) { $wpdb->query( "INSERT INTO $wpdb->term_relationships ( object_id, term_taxonomy_id ) VALUES " . implode( ',', $trs ) ); } } // Upgrade of string translations is now in upgrade_1_2_1 // Upgrade of nav menus is now in upgrade_1_2_3 } /** * Upgrades if the previous version is < 1.2.1 * * @since 1.2.1 */ protected function upgrade_1_2_1() { // Strings translations foreach ( get_terms( 'language', array( 'hide_empty' => 0 ) ) as $lang ) { if ( $strings = get_option( 'polylang_mo' . $lang->term_id ) ) { $mo = new PLL_MO(); foreach ( $strings as $msg ) { $mo->add_entry( $mo->make_entry( $msg[0], $msg[1] ) ); } $mo->export_to_db( $lang ); } } } /** * Upgrades if the previous version is < 1.2.3 * Uprades multilingual menus depending on the old version due to multiple changes in menus management * * @since 1.2.3 */ public function upgrade_1_2_3() { // Old version < 1.1 // Multilingal locations and switcher item were stored in a dedicated option if ( version_compare( $this->options['version'], '1.1', '<' ) ) { if ( $menu_lang = get_option( 'polylang_nav_menus' ) ) { foreach ( $menu_lang as $location => $arr ) { if ( ! in_array( $location, array_keys( get_registered_nav_menus() ) ) ) { continue; } $switch_options = array_slice( $arr, -5, 5 ); $translations = array_diff_key( $arr, $switch_options ); $has_switcher = array_shift( $switch_options ); foreach ( get_terms( 'language', array( 'hide_empty' => 0 ) ) as $lang ) { // Move nav menus locations if ( ! empty( $translations[ $lang->slug ] ) ) { $locations[ $location ][ $lang->slug ] = $translations[ $lang->slug ]; } // Create the menu items for the language switcher if ( ! empty( $has_switcher ) ) { $menu_item_db_id = wp_update_nav_menu_item( $translations[ $lang->slug ], 0, array( 'menu-item-title' => __( 'Language switcher', 'polylang' ), 'menu-item-url' => '#pll_switcher', 'menu-item-status' => 'publish', ) ); update_post_meta( $menu_item_db_id, '_pll_menu_item', $switch_options ); } } } if ( ! empty( $locations ) ) { $this->options['nav_menus'][ get_option( 'stylesheet' ) ] = $locations; } delete_option( 'polylang_nav_menus' ); } } elseif ( empty( $this->options['nav_menus'] ) ) { $menus = get_theme_mod( 'nav_menu_locations' ); if ( is_array( $menus ) ) { // If old version < 1.2 // Clean the WP option as it was a bad idea to pollute it if ( version_compare( $this->options['version'], '1.2', '<' ) ) { foreach ( $menus as $loc => $menu ) { if ( $pos = strpos( $loc, '#' ) ) { unset( $menus[ $loc ] ); } } set_theme_mod( 'nav_menu_locations', $menus ); } // Get the multilingual locations foreach ( $menus as $loc => $menu ) { foreach ( get_terms( 'language', array( 'hide_empty' => 0 ) ) as $lang ) { $arr[ $loc ][ $lang->slug ] = pll_get_term( $menu, $lang ); } } if ( ! empty( $arr ) ) { $this->options['nav_menus'][ get_option( 'stylesheet' ) ] = $arr; } } } } /** * Upgrades if the previous version is < 1.3 * Moves the user biographies in default language to the 'description' user meta * * @since 1.3 */ protected function upgrade_1_3() { $usermeta = 'description_' . $this->options['default_lang']; $query = new WP_User_Query( array( 'blog_id' => $GLOBALS['blog_id'], 'meta_key' => $usermeta ) ); foreach ( $query->get_results() as $user ) { $desc = get_user_meta( $user->ID, $usermeta, true ); if ( ! empty( $desc ) ) { update_user_meta( $user->ID, 'description', $desc ); delete_user_meta( $user->ID, $usermeta ); } } } /** * Upgrades if the previous version is < 1.4 * Sets a transient to delete old model data * Deletes language cache (due to bug correction in home urls in 1.3.1 and added mo_id in 1.4) * * @since 1.4 */ protected function upgrade_1_4() { set_transient( 'pll_upgrade_1_4', time() + 60 * 24 * 60 * 60 ); // 60 days delete_transient( 'pll_languages_list' ); } /** * Old data were not deleted in 1.2, just in case... * Delete them at first upgrade at least 60 days after upgrade to 1.4 * * @since 1.4 */ protected function delete_pre_1_2_data() { // Suppress data of the old model < 1.2 global $wpdb; $wpdb->termmeta = $wpdb->prefix . 'termmeta'; // registers the termmeta table in wpdb in case WP < 4.4 // Do nothing if the termmeta table does not exists if ( count( $wpdb->get_results( "SHOW TABLES LIKE '$wpdb->termmeta'" ) ) ) { $wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_translations'" ); $wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_language'" ); $wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_rtl'" ); $wpdb->query( "DELETE FROM $wpdb->termmeta WHERE meta_key = '_translations'" ); } // Delete the strings translations $languages = get_terms( 'language', array( 'hide_empty' => false ) ); foreach ( $languages as $lang ) { delete_option( 'polylang_mo' . $lang->term_id ); } delete_transient( 'pll_upgrade_1_4' ); } /** * Upgrades if the previous version is < 1.4.1 * Disables the browser detection when using multiple domains * * @since 1.4.1 */ protected function upgrade_1_4_1() { if ( 3 == $this->options['force_lang'] ) { $this->options['browser'] = $this->options['hide_default'] = 0; } } /** * Upgrades if the previous version is < 1.4.4 * Uprades widgets options for language filter * * @since 1.4.4 */ protected function upgrade_1_4_4() { foreach ( $GLOBALS['wp_registered_widgets'] as $widget ) { if ( ! empty( $this->options['widgets'][ $widget['id'] ] ) && ! empty( $widget['callback'][0] ) && ! empty( $widget['params'][0]['number'] ) ) { $obj = $widget['callback'][0]; if ( is_object( $obj ) && method_exists( $obj, 'get_settings' ) && method_exists( $obj, 'save_settings' ) ) { $settings = $obj->get_settings(); $settings[ $widget['params'][0]['number'] ]['pll_lang'] = $this->options['widgets'][ $widget['id'] ]; $obj->save_settings( $settings ); } } } unset( $this->options['widgets'] ); } /** * Upgrades if the previous version is < 1.5 * Deletes language cache (due to host property added and bug on search url) * * @since 1.5 */ protected function upgrade_1_5() { delete_transient( 'pll_languages_list' ); } /** * Upgrades if the previous version is < 1.6 * Upgrades core language files to get the .po file (only for WP 4.0+) * * @since 1.6 */ protected function upgrade_1_6() { if ( version_compare( $GLOBALS['wp_version'], '4.0', '>=' ) ) { self::download_language_packs(); } } /** * Downloads language packs * Intended to be used only one time (at upgrade to Polylang 1.6 or first upgrade of WP 4.0 or later) * Adapted from wp_download_language_pack * Rewritten because wp_download_language_pack checks the existence of .mo and I need to download .po * * @since 1.6 */ static function download_language_packs() { $languages = pll_languages_list( array( 'fields' => 'locale' ) ); // Prevents upgrade if the .po file is already here. Let WP manage the upgrades :) foreach ( $languages as $key => $locale ) { if ( file_exists( WP_LANG_DIR . "/$locale.po" ) ) { unset( $languages[ $key ] ); } } if ( empty( $languages ) ) { return; } require_once ABSPATH . 'wp-admin/includes/translation-install.php'; $translations = wp_get_available_translations(); if ( ! $translations ) { return; } foreach ( $translations as $translation ) { if ( in_array( $translation['language'], $languages ) ) { $translation['type'] = 'core'; $translations_to_load[] = (object) $translation; } } if ( ! empty( $translations_to_load ) ) { require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; $upgrader = new Language_Pack_Upgrader( new Automatic_Upgrader_Skin ); $upgrader->bulk_upgrade( $translations_to_load, array( 'clear_update_cache' => false ) ); } } /** * Upgrades if the previous version is < 1.7.4 * * @since 1.7.4 */ protected function upgrade_1_7_4() { delete_transient( 'pll_languages_list' ); // Deletes language cache (due to flag properties added in 1.7, page on front removed in 1.7.2, home url fixes in 1.7.4) flush_rewrite_rules(); // Flush rewrite rules due to custom taxonomy rewrite rule bug fix } /** * Upgrades if the previous version is < 1.8 * * @since 1.8 */ protected function upgrade_1_8() { // Adds the flag code in languages stored in DB include PLL_SETTINGS_INC . '/languages.php'; $terms = get_terms( 'language', array( 'hide_empty' => 0 ) ); foreach ( $terms as $lang ) { $description = maybe_unserialize( $lang->description ); if ( isset( $languages[ $description['locale'] ] ) ) { $description['flag_code'] = $languages[ $description['locale'] ][4]; $description = serialize( $description ); wp_update_term( (int) $lang->term_id, 'language', array( 'description' => $description ) ); } } delete_transient( 'pll_languages_list' ); } /** * Upgrades if the previous version is < 2.0.8 * Changes the user meta 'user_lang' to 'locale' to match WP 4.7 choice * * @since 2.0.8 */ protected function upgrade_2_0_8() { global $wpdb; $wpdb->update( $wpdb->usermeta, array( 'meta_key' => 'locale' ), array( 'meta_key' => 'user_lang' ) ); } /** * Upgrades if the previous version is < 2.1 * Moves strings translations from polylang_mo post_content to post meta _pll_strings_translations * * @since 2.1 */ protected function upgrade_2_1() { foreach ( get_terms( 'language', array( 'hide_empty' => 0 ) ) as $lang ) { $mo_id = PLL_MO::get_id( $lang ); $meta = get_post_meta( $mo_id, '_pll_strings_translations', true ); if ( empty( $meta ) ) { $post = get_post( $mo_id, OBJECT ); $strings = unserialize( $post->post_content ); if ( is_array( $strings ) ) { update_post_meta( $mo_id, '_pll_strings_translations', $strings ); } } } } /** * Upgrades if the previous version is < 2.2 * * @since 2.2 */ protected function upgrade_2_2() { delete_transient( 'pll_languages_list' ); // Deletes language cache (due to 'redirect_lang' option removed for subdomains and multiple domains) } } install-base.php000066600000005041152142642400007637 0ustar00plugin_basename = $plugin_basename; // Manages plugin activation and deactivation register_activation_hook( $plugin_basename, array( $this, 'activate' ) ); register_deactivation_hook( $plugin_basename, array( $this, 'deactivate' ) ); // Blog creation on multisite add_action( 'wpmu_new_blog', array( $this, 'wpmu_new_blog' ), 5 ); // Before WP attempts to send mails which can break on some PHP versions } /** * Allows to detect plugin deactivation * * @since 1.7 * * @return bool true if the plugin is currently beeing deactivated */ public function is_deactivation() { return isset( $_GET['action'], $_GET['plugin'] ) && 'deactivate' == $_GET['action'] && $this->plugin_basename == $_GET['plugin']; } /** * Activation or deactivation for all blogs * * @since 1.2 * * @param string $what Either 'activate' or 'deactivate' * @param bool $networkwide */ protected function do_for_all_blogs( $what, $networkwide ) { // Network if ( is_multisite() && $networkwide ) { global $wpdb; foreach ( $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" ) as $blog_id ) { switch_to_blog( $blog_id ); 'activate' == $what ? $this->_activate() : $this->_deactivate(); } restore_current_blog(); } // Single blog else { 'activate' == $what ? $this->_activate() : $this->_deactivate(); } } /** * Plugin activation for multisite * * @since 1.7 * * @param bool $networkwide */ public function activate( $networkwide ) { $this->do_for_all_blogs( 'activate', $networkwide ); } /** * Plugin activation * * @since 0.5 */ protected function _activate() { // Can be overriden in child class } /** * Plugin deactivation for multisite * * @since 0.1 * * @param bool $networkwide */ public function deactivate( $networkwide ) { $this->do_for_all_blogs( 'deactivate', $networkwide ); } /** * Plugin deactivation * * @since 0.5 */ protected function _deactivate() { // Can be overriden in child class } /** * Blog creation on multisite ( to set default options ) * * @since 0.9.4 * * @param int $blog_id */ public function wpmu_new_blog( $blog_id ) { switch_to_blog( $blog_id ); $this->_activate(); restore_current_blog(); } } install.php000066600000005741152142642400006736 0ustar00%s

', /* translators: %s are WordPress version numbers */ sprintf( esc_html__( 'You are using WordPress %s. Polylang requires at least WordPress %s.', 'polylang' ), esc_html( $wp_version ), PLL_MIN_WP_VERSION ) ) ); } $this->do_for_all_blogs( 'activate', $networkwide ); } /** * Get default Polylang options * * @since 1.8 * * return array */ static public function get_default_options() { return array( 'browser' => 1, // Default language for the front page is set by browser preference 'rewrite' => 1, // Remove /language/ in permalinks ( was the opposite before 0.7.2 ) 'hide_default' => 1, // Remove URL language information for default language ( was the opposite before 2.1.5 ) 'force_lang' => 1, // Add URL language information ( was 0 before 1.7 ) 'redirect_lang' => 0, // Do not redirect the language page to the homepage 'media_support' => 1, // Support languages and translation for media by default 'uninstall' => 0, // Do not remove data when uninstalling Polylang 'sync' => array(), // Synchronisation is disabled by default ( was the opposite before 1.2 ) 'post_types' => array(), 'taxonomies' => array(), 'domains' => array(), 'version' => POLYLANG_VERSION, ); } /** * Plugin activation * * @since 0.5 */ protected function _activate() { if ( $options = get_option( 'polylang' ) ) { // Check if we will be able to upgrade if ( version_compare( $options['version'], POLYLANG_VERSION, '<' ) ) { $upgrade = new PLL_Upgrade( $options ); $upgrade->can_activate(); } } // Defines default values for options in case this is the first installation else { update_option( 'polylang', self::get_default_options() ); } // Avoid 1 query on every pages if no wpml strings is registered if ( ! get_option( 'polylang_wpml_strings' ) ) { update_option( 'polylang_wpml_strings', array() ); } // Don't use flush_rewrite_rules at network activation. See #32471 // Thanks to RavanH for the trick. See https://polylang.wordpress.com/2015/06/10/polylang-1-7-6-and-multisite/ // Rewrite rules are created at next page load :) delete_option( 'rewrite_rules' ); } /** * Plugin deactivation * * @since 0.5 */ protected function _deactivate() { delete_option( 'rewrite_rules' ); // Don't use flush_rewrite_rules at network activation. See #32471 } } plugin-updater.php000066600000034304152142642400010225 0ustar00api_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 = md5( serialize( $this->slug . $this->api_data['license'] . $this->beta ) ); $edd_plugin_data[ $this->slug ] = $this->api_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 ); remove_action( 'after_plugin_row_' . $this->name, 'wp_plugin_update_row', 10 ); add_action( 'after_plugin_row_' . $this->name, 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 ( '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 ) { $version_info = $this->api_request( 'plugin_latest_version', array( '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 = current_time( 'timestamp' ); $_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 ( 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', 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 ] ) ) { $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 ) ); $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 = current_time( 'timestamp' ); $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 ''; echo ''; 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( $version_info->download_link ) ) { printf( /* translators: %1$s plugin name, %3$s plugin version, %2$s and %4$s are html tags */ esc_html__( 'There is a new version of %1$s available. %2$sView version %3$s details%4$s.', 'polylang' ), esc_html( $version_info->name ), '', esc_html( $version_info->new_version ), '' ); } else { printf( /* translators: %1$s plugin name, %3$s plugin version, %2$s, %4$s, %5$s and %6$s are html tags */ esc_html__( 'There is a new version of %1$s available. %2$sView version %3$s details%4$s or %5$supdate now%6$s.', 'polylang' ), esc_html( $version_info->name ), '', esc_html( $version_info->new_version ), '', '', '' ); } do_action( "in_plugin_update_message-{$file}", $plugin, $version_info ); 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 */ 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 = array( 'slug' => $this->slug, 'is_ssl' => is_ssl(), 'fields' => array( 'banners' => array(), 'reviews' => false ) ); $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 ) ) { $new_sections = array(); foreach ( $_data->sections as $key => $value ) { $new_sections[ $key ] = $value; } $_data->sections = $new_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 ) ) { $new_banners = array(); foreach ( $_data->banners as $key => $value ) { $new_banners[ $key ] = $value; } $_data->banners = $new_banners; } return $_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 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 == trailingslashit (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, 'version' => isset( $data['version'] ) ? $data['version'] : false, 'slug' => $data['slug'], 'author' => $data['author'], 'url' => home_url(), 'beta' => ! empty( $data['beta'] ), ); $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; } if ( $request && isset( $request->banners ) ) { $request->banners = maybe_unserialize( $request->banners ); } if( ! empty( $request->sections ) ) { foreach( $request->sections as $key => $section ) { $request->$key = (array) $section; } } return $request; } public function show_changelog() { global $edd_plugin_data; 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', 'polylang' ), __( 'Error', 'polylang' ), array( 'response' => 403 ) ); } $data = $edd_plugin_data[ $_REQUEST['slug'] ]; $beta = ! empty( $data['beta'] ) ? true : false; $cache_key = md5( 'edd_plugin_' . sanitize_key( $_REQUEST['plugin'] ) . '_' . $beta . '_version_info' ); $version_info = $this->get_cached_version_info( $cache_key ); if( false === $version_info ) { $api_params = array( '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' => $_REQUEST['slug'], 'author' => $data['author'], 'url' => home_url(), 'beta' => ! empty( $data['beta'] ) ); $request = wp_remote_post( $this->api_url, array( 'timeout' => 15, 'sslverify' => false, '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 ); } if( ! empty( $version_info ) && isset( $version_info->sections['changelog'] ) ) { echo '
' . $version_info->sections['changelog'] . '
'; } exit; } 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'] ) || current_time( 'timestamp' ) > $cache['timeout'] ) { return false; // Cache is expired } return json_decode( $cache['value'] ); } public function set_version_info_cache( $value = '', $cache_key = '' ) { if( empty( $cache_key ) ) { $cache_key = $this->cache_key; } $data = array( 'timeout' => strtotime( '+3 hours', current_time( 'timestamp' ) ), 'value' => json_encode( $value ) ); update_option( $cache_key, $data ); } }