677 lines
20 KiB
PHP
677 lines
20 KiB
PHP
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<?php
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// Exit if accessed directly
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Allows plugins to use their own update API.
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*
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* @author Easy Digital Downloads
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* @version 1.9.2
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*/
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class GeneratePress_Premium_Plugin_Updater {
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private $api_url = '';
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private $api_data = array();
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private $plugin_file = '';
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private $name = '';
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private $slug = '';
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private $version = '';
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private $wp_override = false;
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private $beta = false;
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private $failed_request_cache_key;
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/**
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* Class constructor.
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*
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* @uses plugin_basename()
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* @uses hook()
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*
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* @param string $_api_url The URL pointing to the custom API endpoint.
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* @param string $_plugin_file Path to the plugin file.
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* @param array $_api_data Optional data to send with API calls.
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*/
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public function __construct( $_api_url, $_plugin_file, $_api_data = null ) {
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global $edd_plugin_data;
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$this->api_url = trailingslashit( $_api_url );
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$this->api_data = $_api_data;
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$this->plugin_file = $_plugin_file;
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$this->name = plugin_basename( $_plugin_file );
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$this->slug = basename( $_plugin_file, '.php' );
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$this->version = $_api_data['version'];
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$this->wp_override = isset( $_api_data['wp_override'] ) ? (bool) $_api_data['wp_override'] : false;
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$this->beta = ! empty( $this->api_data['beta'] ) ? true : false;
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$this->failed_request_cache_key = 'edd_sl_failed_http_' . md5( $this->api_url );
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$edd_plugin_data[ $this->slug ] = $this->api_data;
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/**
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* Fires after the $edd_plugin_data is setup.
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*
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* @since x.x.x
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*
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* @param array $edd_plugin_data Array of EDD SL plugin data.
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*/
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do_action( 'post_edd_sl_plugin_updater_setup', $edd_plugin_data );
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// Set up hooks.
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$this->init();
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}
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/**
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* Set up WordPress filters to hook into WP's update process.
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*
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* @uses add_filter()
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*
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* @return void
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*/
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public function init() {
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add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_update' ) );
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add_filter( 'plugins_api', array( $this, 'plugins_api_filter' ), 10, 3 );
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add_action( 'after_plugin_row', array( $this, 'show_update_notification' ), 10, 2 );
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add_action( 'admin_init', array( $this, 'show_changelog' ) );
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}
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/**
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* Check for Updates at the defined API endpoint and modify the update array.
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*
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* This function dives into the update API just when WordPress creates its update array,
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* then adds a custom API call and injects the custom plugin data retrieved from the API.
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* It is reassembled from parts of the native WordPress plugin update code.
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* See wp-includes/update.php line 121 for the original wp_update_plugins() function.
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*
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* @uses api_request()
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*
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* @param array $_transient_data Update array build by WordPress.
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* @return array Modified update array with custom plugin data.
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*/
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public function check_update( $_transient_data ) {
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global $pagenow;
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if ( ! is_object( $_transient_data ) ) {
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$_transient_data = new stdClass();
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}
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if ( ! empty( $_transient_data->response ) && ! empty( $_transient_data->response[ $this->name ] ) && false === $this->wp_override ) {
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return $_transient_data;
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}
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$current = $this->get_repo_api_data();
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if ( false !== $current && is_object( $current ) && isset( $current->new_version ) ) {
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if ( version_compare( $this->version, $current->new_version, '<' ) ) {
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$_transient_data->response[ $this->name ] = $current;
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} else {
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// Populating the no_update information is required to support auto-updates in WordPress 5.5.
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$_transient_data->no_update[ $this->name ] = $current;
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}
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}
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$_transient_data->last_checked = time();
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$_transient_data->checked[ $this->name ] = $this->version;
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return $_transient_data;
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}
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/**
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* Get repo API data from store.
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* Save to cache.
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*
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* @return \stdClass
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*/
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public function get_repo_api_data() {
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$version_info = $this->get_cached_version_info();
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if ( false === $version_info ) {
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$version_info = $this->api_request(
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'plugin_latest_version',
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array(
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'slug' => $this->slug,
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'beta' => $this->beta,
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)
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);
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if ( ! $version_info ) {
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return false;
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}
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// This is required for your plugin to support auto-updates in WordPress 5.5.
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$version_info->plugin = $this->name;
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$version_info->id = $this->name;
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$version_info->tested = $this->get_tested_version( $version_info );
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$this->set_version_info_cache( $version_info );
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}
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return $version_info;
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}
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/**
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* Gets the plugin's tested version.
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*
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* @since 1.9.2
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* @param object $version_info
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* @return null|string
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*/
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private function get_tested_version( $version_info ) {
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// There is no tested version.
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if ( empty( $version_info->tested ) ) {
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return null;
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}
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// Strip off extra version data so the result is x.y or x.y.z.
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list( $current_wp_version ) = explode( '-', get_bloginfo( 'version' ) );
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// The tested version is greater than or equal to the current WP version, no need to do anything.
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if ( version_compare( $version_info->tested, $current_wp_version, '>=' ) ) {
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return $version_info->tested;
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}
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$current_version_parts = explode( '.', $current_wp_version );
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$tested_parts = explode( '.', $version_info->tested );
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// The current WordPress version is x.y.z, so update the tested version to match it.
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if ( isset( $current_version_parts[2] ) && $current_version_parts[0] === $tested_parts[0] && $current_version_parts[1] === $tested_parts[1] ) {
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$tested_parts[2] = $current_version_parts[2];
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}
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return implode( '.', $tested_parts );
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}
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/**
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* Show the update notification on multisite subsites.
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*
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* @param string $file
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* @param array $plugin
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*/
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public function show_update_notification( $file, $plugin ) {
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// Return early if in the network admin, or if this is not a multisite install.
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if ( is_network_admin() || ! is_multisite() ) {
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return;
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}
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// Allow single site admins to see that an update is available.
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if ( ! current_user_can( 'activate_plugins' ) ) {
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return;
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}
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if ( $this->name !== $file ) {
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return;
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}
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// Do not print any message if update does not exist.
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$update_cache = get_site_transient( 'update_plugins' );
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if ( ! isset( $update_cache->response[ $this->name ] ) ) {
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if ( ! is_object( $update_cache ) ) {
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$update_cache = new stdClass();
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}
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$update_cache->response[ $this->name ] = $this->get_repo_api_data();
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}
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// 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.
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if ( empty( $update_cache->response[ $this->name ] ) || version_compare( $this->version, $update_cache->response[ $this->name ]->new_version, '>=' ) ) {
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return;
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}
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printf(
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'<tr class="plugin-update-tr %3$s" id="%1$s-update" data-slug="%1$s" data-plugin="%2$s">',
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$this->slug,
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$file,
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in_array( $this->name, $this->get_active_plugins(), true ) ? 'active' : 'inactive'
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);
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echo '<td colspan="3" class="plugin-update colspanchange">';
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echo '<div class="update-message notice inline notice-warning notice-alt"><p>';
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$changelog_link = '';
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if ( ! empty( $update_cache->response[ $this->name ]->sections->changelog ) ) {
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$changelog_link = add_query_arg(
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array(
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'edd_sl_action' => 'view_plugin_changelog',
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'plugin' => urlencode( $this->name ),
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'slug' => urlencode( $this->slug ),
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'TB_iframe' => 'true',
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'width' => 77,
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'height' => 911,
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),
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self_admin_url( 'index.php' )
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);
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}
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$update_link = add_query_arg(
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array(
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'action' => 'upgrade-plugin',
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'plugin' => urlencode( $this->name ),
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),
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self_admin_url( 'update.php' )
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);
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printf(
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/* translators: the plugin name. */
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esc_html__( 'There is a new version of %1$s available.', 'easy-digital-downloads' ),
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esc_html( $plugin['Name'] )
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);
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if ( ! current_user_can( 'update_plugins' ) ) {
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echo ' ';
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esc_html_e( 'Contact your network administrator to install the update.', 'easy-digital-downloads' );
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} elseif ( empty( $update_cache->response[ $this->name ]->package ) && ! empty( $changelog_link ) ) {
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echo ' ';
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printf(
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/* translators: 1. opening anchor tag, do not translate 2. the new plugin version 3. closing anchor tag, do not translate. */
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__( '%1$sView version %2$s details%3$s.', 'easy-digital-downloads' ),
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'<a target="_blank" class="thickbox open-plugin-details-modal" href="' . esc_url( $changelog_link ) . '">',
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esc_html( $update_cache->response[ $this->name ]->new_version ),
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'</a>'
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);
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} elseif ( ! empty( $changelog_link ) ) {
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echo ' ';
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printf(
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__( '%1$sView version %2$s details%3$s or %4$supdate now%5$s.', 'easy-digital-downloads' ),
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'<a target="_blank" class="thickbox open-plugin-details-modal" href="' . esc_url( $changelog_link ) . '">',
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esc_html( $update_cache->response[ $this->name ]->new_version ),
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'</a>',
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'<a target="_blank" class="update-link" href="' . esc_url( wp_nonce_url( $update_link, 'upgrade-plugin_' . $file ) ) . '">',
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'</a>'
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);
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} else {
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printf(
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' %1$s%2$s%3$s',
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'<a target="_blank" class="update-link" href="' . esc_url( wp_nonce_url( $update_link, 'upgrade-plugin_' . $file ) ) . '">',
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esc_html__( 'Update now.', 'easy-digital-downloads' ),
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'</a>'
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);
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}
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do_action( "in_plugin_update_message-{$file}", $plugin, $plugin );
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echo '</p></div></td></tr>';
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}
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/**
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* Gets the plugins active in a multisite network.
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*
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* @return array
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*/
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private function get_active_plugins() {
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$active_plugins = (array) get_option( 'active_plugins' );
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$active_network_plugins = (array) get_site_option( 'active_sitewide_plugins' );
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return array_merge( $active_plugins, array_keys( $active_network_plugins ) );
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}
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/**
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* Updates information on the "View version x.x details" page with custom data.
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*
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* @uses api_request()
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*
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* @param mixed $_data
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* @param string $_action
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* @param object $_args
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* @return object $_data
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*/
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public function plugins_api_filter( $_data, $_action = '', $_args = null ) {
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if ( 'plugin_information' !== $_action ) {
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return $_data;
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}
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if ( ! isset( $_args->slug ) || ( $_args->slug !== $this->slug ) ) {
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return $_data;
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}
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$to_send = array(
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'slug' => $this->slug,
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'is_ssl' => is_ssl(),
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'fields' => array(
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'banners' => array(),
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'reviews' => false,
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'icons' => array(),
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),
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);
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// Get the transient where we store the api request for this plugin for 24 hours
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$edd_api_request_transient = $this->get_cached_version_info();
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//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.
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if ( empty( $edd_api_request_transient ) ) {
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$api_response = $this->api_request( 'plugin_information', $to_send );
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// Expires in 3 hours
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$this->set_version_info_cache( $api_response );
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if ( false !== $api_response ) {
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$_data = $api_response;
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}
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} else {
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$_data = $edd_api_request_transient;
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}
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// Convert sections into an associative array, since we're getting an object, but Core expects an array.
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if ( isset( $_data->sections ) && ! is_array( $_data->sections ) ) {
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|
|
$_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 ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|