upgrade_url = $upgrade_url; $this->plugin_name = $plugin_name; $this->product_id = $product_id; $this->api_key = $api_key; $this->activation_email = $activation_email; $this->renew_license_url = $renew_license_url; $this->instance = $instance; $this->domain = $domain; $this->software_version = $software_version; $this->text_domain = $text_domain; $this->extra = $extra; $this->plugin_settings_url = $plugin_settings_url; $this->my_account_url = $upgrade_url.'my-account'; // Slug should be the same as the plugin/theme directory name if ( strpos( $this->plugin_name, '.php' ) !== 0 ) { $this->slug = dirname( $this->plugin_name ); } else { $this->slug = $this->plugin_name; } /** * Flag for plugin or theme updates * @access public * @since 1.0.0 * @param string, plugin or theme */ $this->plugin_or_theme = $plugin_or_theme; // 'theme' or 'plugin' /********************************************************************* * The plugin and theme filters should not be active at the same time *********************************************************************/ /** * More info: * function set_site_transient moved from wp-includes/functions.php * to wp-includes/option.php in WordPress 3.4 * * set_site_transient() contains the pre_set_site_transient_{$transient} filter * {$transient} is either update_plugins or update_themes * * Transient data for plugins and themes exist in the Options table: * _site_transient_update_themes * _site_transient_update_plugins */ // uses the flag above to determine if this is a plugin or a theme update request if ( $this->plugin_or_theme == 'plugin' ) { /** * Plugin Updates */ // Check For Plugin Updates add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'update_check' ) ); // Check For Plugin Information to display on the update details page add_filter( 'plugins_api', array( $this, 'request' ), 10, 3 ); } else if ( $this->plugin_or_theme == 'theme' ) { /** * Theme Updates */ // Check For Theme Updates add_filter( 'pre_set_site_transient_update_themes', array( $this, 'update_check' ) ); // Check For Theme Information to display on the update details page //add_filter( 'themes_api', array( $this, 'request' ), 10, 3 ); } } // Upgrade API URL private function create_upgrade_api_url( $args ) { $upgrade_url = add_query_arg( 'wc-api', 'upgrade-api', $this->upgrade_url ); return $upgrade_url . '&' . http_build_query( $args ); } /** * Check for updates against the remote server. * * @access public * @since 1.0.0 * @param object $transient * @return object $transient */ public function update_check( $transient ) { if ( empty( $transient->checked ) ) { return $transient; } $args = array( 'request' => 'pluginupdatecheck', 'slug' => $this->slug, 'plugin_name' => $this->plugin_name, //'version' => $transient->checked[$this->plugin_name], 'version' => $this->software_version, 'product_id' => $this->product_id, 'api_key' => $this->api_key, 'activation_email' => $this->activation_email, 'instance' => $this->instance, 'domain' => $this->domain, 'software_version' => $this->software_version, 'extra' => $this->extra, ); // Check for a plugin update $response = $this->plugin_information( $args ); // Displays an admin error message in the WordPress dashboard $this->check_response_for_errors( $response ); // Set version variables if ( isset( $response ) && is_object( $response ) && $response !== false ) { // New plugin version from the API $new_ver = (string)$response->new_version; // Current installed plugin version $curr_ver = (string)$this->software_version; //$curr_ver = (string)$transient->checked[$this->plugin_name]; } // If there is a new version, modify the transient to reflect an update is available if ( isset( $new_ver ) && isset( $curr_ver ) ) { if ( $response !== false && version_compare( $new_ver, $curr_ver, '>' ) ) { if ( $this->plugin_or_theme == 'plugin' ) { $transient->response[$this->plugin_name] = $response; } else if ( $this->plugin_or_theme == 'theme' ) { $transient->response[$this->plugin_name]['new_version'] = $response->new_version; $transient->response[$this->plugin_name]['url'] = $response->url; $transient->response[$this->plugin_name]['package'] = $response->package; } } } return $transient; } /** * Sends and receives data to and from the server API * * @access public * @since 1.0.0 * @return object $response */ public function plugin_information( $args ) { $target_url = esc_url_raw( $this->create_upgrade_api_url( $args ) ); $request = wp_remote_get( $target_url ); //$request = wp_remote_post( $this->upgrade_url . 'wc-api/upgrade-api/', array( 'body' => $args ) ); if ( is_wp_error( $request ) || wp_remote_retrieve_response_code( $request ) != 200 ) { return false; } $response = unserialize( wp_remote_retrieve_body( $request ) ); /** * For debugging errors from the API * For errors like: unserialize(): Error at offset 0 of 170 bytes * Comment out $response above first */ // $response = wp_remote_retrieve_body( $request ); if ( is_object( $response ) ) { return $response; } else { return false; } } /** * Generic request helper. * * @access public * @since 1.0.0 * @param array $args * @return object $response or boolean false */ public function request( $false, $action, $args ) { // Is this a plugin or a theme? if ( $this->plugin_or_theme == 'plugin' ) { $version = get_site_transient( 'update_plugins' ); } else if ( $this->plugin_or_theme == 'theme' ) { $version = get_site_transient( 'update_themes' ); } // Check if this plugins API is about this plugin if ( isset( $args->slug ) ) { if ( $args->slug != $this->slug ) { return $false; } } else { return $false; } $args = array( 'request' => 'plugininformation', 'plugin_name' => $this->plugin_name, //'version' => $version->checked[$this->plugin_name], 'version' => $this->software_version, 'product_id' => $this->product_id, 'api_key' => $this->api_key, 'activation_email' => $this->activation_email, 'instance' => $this->instance, 'domain' => $this->domain, 'software_version' => $this->software_version, 'extra' => $this->extra, ); $response = $this->plugin_information( $args ); // If everything is okay return the $response if ( isset( $response ) && is_object( $response ) && $response !== false ) { return $response; } } /** * Displays an admin error message in the WordPress dashboard * @param array $response * @return string */ public function check_response_for_errors( $response ) { if ( ! empty( $response ) ) { if ( isset( $response->errors['no_key'] ) && $response->errors['no_key'] == 'no_key' && isset( $response->errors['no_subscription'] ) && $response->errors['no_subscription'] == 'no_subscription' ) { add_action('admin_notices', array( $this, 'no_key_error_notice') ); add_action('admin_notices', array( $this, 'no_subscription_error_notice') ); } else if ( isset( $response->errors['exp_license'] ) && $response->errors['exp_license'] == 'exp_license' ) { add_action('admin_notices', array( $this, 'expired_license_error_notice') ); } else if ( isset( $response->errors['hold_subscription'] ) && $response->errors['hold_subscription'] == 'hold_subscription' ) { add_action('admin_notices', array( $this, 'on_hold_subscription_error_notice') ); } else if ( isset( $response->errors['cancelled_subscription'] ) && $response->errors['cancelled_subscription'] == 'cancelled_subscription' ) { add_action('admin_notices', array( $this, 'cancelled_subscription_error_notice') ); } else if ( isset( $response->errors['exp_subscription'] ) && $response->errors['exp_subscription'] == 'exp_subscription' ) { add_action('admin_notices', array( $this, 'expired_subscription_error_notice') ); } else if ( isset( $response->errors['suspended_subscription'] ) && $response->errors['suspended_subscription'] == 'suspended_subscription' ) { add_action('admin_notices', array( $this, 'suspended_subscription_error_notice') ); } else if ( isset( $response->errors['pending_subscription'] ) && $response->errors['pending_subscription'] == 'pending_subscription' ) { add_action('admin_notices', array( $this, 'pending_subscription_error_notice') ); } else if ( isset( $response->errors['trash_subscription'] ) && $response->errors['trash_subscription'] == 'trash_subscription' ) { add_action('admin_notices', array( $this, 'trash_subscription_error_notice') ); } else if ( isset( $response->errors['no_subscription'] ) && $response->errors['no_subscription'] == 'no_subscription' ) { add_action('admin_notices', array( $this, 'no_subscription_error_notice') ); } else if ( isset( $response->errors['no_activation'] ) && $response->errors['no_activation'] == 'no_activation' ) { add_action('admin_notices', array( $this, 'no_activation_error_notice') ); } else if ( isset( $response->errors['no_key'] ) && $response->errors['no_key'] == 'no_key' ) { add_action('admin_notices', array( $this, 'no_key_error_notice') ); } else if ( isset( $response->errors['download_revoked'] ) && $response->errors['download_revoked'] == 'download_revoked' ) { add_action('admin_notices', array( $this, 'download_revoked_error_notice') ); } else if ( isset( $response->errors['switched_subscription'] ) && $response->errors['switched_subscription'] == 'switched_subscription' ) { add_action('admin_notices', array( $this, 'switched_subscription_error_notice') ); } } } /** * Display license expired error notice * @param string $message * @return void */ public function expired_license_error_notice( $message ){ echo sprintf( '
' . __( 'The license key for %s has expired. You can reactivate or purchase a license key from your account dashboard.', $this->text_domain ) . '
' . __( 'The subscription for %s is on-hold. You can reactivate the subscription from your account dashboard.', $this->text_domain ) . '
' . __( 'The subscription for %s has been cancelled. You can renew the subscription from your account dashboard. A new license key will be emailed to you after your order has been completed.', $this->text_domain ) . '
' . __( 'The subscription for %s has expired. You can reactivate the subscription from your account dashboard.', $this->text_domain ) . '
' . __( 'The subscription for %s has been suspended. You can reactivate the subscription from your account dashboard.', $this->text_domain ) . '
' . __( 'The subscription for %s is still pending. You can check on the status of the subscription from your account dashboard.', $this->text_domain ) . '
' . __( 'The subscription for %s has been placed in the trash and will be deleted soon. You can purchase a new subscription from your account dashboard.', $this->text_domain ) . '
' . __( 'A subscription for %s could not be found. You can purchase a subscription from your account dashboard.', $this->text_domain ) . '
' . __( 'A license key for %s could not be found. Maybe you forgot to enter a license key when setting up %s, or the key was deactivated in your account. You can reactivate license key at your plugin settings page.', $this->text_domain ) . '
' . __( 'Download permission for %s has been revoked possibly due to a license key or subscription expiring. You can reactivate or purchase a license key from your account dashboard.', $this->text_domain ) . '
' . __( '%s has not been activated. Go to the plugin settings page and enter the license key and license email to activate %s.', $this->text_domain ) . '
' . __( 'You changed the subscription for %s, so you will need to enter your new API License Key in the settings page. The License Key should have arrived in your email inbox, if not you can get it by logging into your account dashboard.', $this->text_domain ) . '