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<?php |
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/** |
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* Disable direct access/execution to/of the widget code. |
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*/ |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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if ( ! class_exists( 'Jetpack_EU_Cookie_Law_Widget' ) ) { |
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/** |
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* EU Cookie Law Widget |
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* |
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* Display the EU Cookie Law banner in the bottom part of the screen. |
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*/ |
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class Jetpack_EU_Cookie_Law_Widget extends WP_Widget { |
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/** |
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* EU Cookie Law cookie name. |
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* |
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* @var string |
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*/ |
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public static $cookie_name = 'eucookielaw'; |
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/** |
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* EU Cookie Law cookie validity (30 days). |
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* |
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* @var int |
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*/ |
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public static $cookie_validity = 2592000; |
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/** |
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* Default hide options. |
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* |
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* @var array |
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*/ |
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private $hide_options = array( |
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'button', |
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'scroll', |
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'time', |
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); |
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/** |
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* Default text options. |
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* |
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* @var array |
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*/ |
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private $text_options = array( |
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'default', |
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'custom', |
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); |
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/** |
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* Default color scheme options. |
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* |
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* @var array |
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*/ |
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private $color_scheme_options = array( |
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'default', |
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'negative', |
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); |
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/** |
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* Default policy URL options. |
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* |
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* @var array |
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*/ |
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private $policy_url_options = array( |
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'default', |
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'custom', |
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); |
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/** |
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* Constructor. |
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*/ |
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View Code Duplication |
function __construct() { |
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parent::__construct( |
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'eu_cookie_law_widget', |
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/** This filter is documented in modules/widgets/facebook-likebox.php */ |
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apply_filters( 'jetpack_widget_name', esc_html__( 'EU Cookie Law Banner', 'jetpack' ) ), |
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array( |
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'description' => esc_html__( 'Display a banner for compliance with the EU Cookie Law.', 'jetpack' ), |
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'customize_selective_refresh' => true, |
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), |
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array() |
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); |
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if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) { |
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_frontend_scripts' ) ); |
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} |
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} |
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/** |
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* Enqueue scripts and styles. |
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*/ |
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function enqueue_frontend_scripts() { |
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wp_enqueue_style( 'eu-cookie-law-style', plugins_url( 'eu-cookie-law/style.css', __FILE__ ), array(), '20170403' ); |
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wp_enqueue_script( 'eu-cookie-law-script', plugins_url( 'eu-cookie-law/eu-cookie-law.js', __FILE__ ), array( 'jquery' ), '20170404', true ); |
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} |
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/** |
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* Return an associative array of default values. |
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* |
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* These values are used in new widgets. |
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* |
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* @return array Default values for the widget options. |
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*/ |
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public function defaults() { |
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return array( |
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'hide' => $this->hide_options[0], |
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'hide-timeout' => 30, |
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'text' => $this->text_options[0], |
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'customtext' => '', |
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'color-scheme' => $this->color_scheme_options[0], |
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'policy-url' => $this->policy_url_options[0], |
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'default-policy-url' => 'https://jetpack.com/support/cookies/', |
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'custom-policy-url' => '', |
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'policy-link-text' => esc_html__( 'Our Cookie Policy', 'jetpack' ), |
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'button' => esc_html__( 'Close and accept', 'jetpack' ), |
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'default-text' => esc_html__( 'Privacy & Cookies: This site uses cookies.', 'jetpack' ), |
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); |
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} |
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/** |
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* Front-end display of the widget. |
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* |
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* @param array $args Widget arguments. |
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* @param array $instance Saved values from database. |
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*/ |
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public function widget( $args, $instance ) { |
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$instance = wp_parse_args( $instance, $this->defaults() ); |
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echo $args['before_widget']; |
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require( dirname( __FILE__ ) . '/eu-cookie-law/widget.php' ); |
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echo $args['after_widget']; |
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/** This action is already documented in modules/widgets/gravatar-profile.php */ |
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do_action( 'jetpack_stats_extra', 'widget_view', 'eu_cookie_law' ); |
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} |
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/** |
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* Back-end widget form. |
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* |
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* @param array $instance Previously saved values from database. |
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*/ |
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public function form( $instance ) { |
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$instance = wp_parse_args( $instance, $this->defaults() ); |
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require( dirname( __FILE__ ) . '/eu-cookie-law/form.php' ); |
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} |
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/** |
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* Sanitize widget form values as they are saved. |
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* |
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* @param array $new_instance Values just sent to be saved. |
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* @param array $old_instance Previously saved values from database. |
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* @return array Updated safe values to be saved. |
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*/ |
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public function update( $new_instance, $old_instance ) { |
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$instance = array(); |
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$defaults = $this->defaults(); |
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$instance['hide'] = $this->filter_value( $new_instance['hide'], $this->hide_options ); |
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$instance['text'] = $this->filter_value( $new_instance['text'], $this->text_options ); |
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$instance['color-scheme'] = $this->filter_value( $new_instance['color-scheme'], $this->color_scheme_options ); |
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$instance['policy-url'] = $this->filter_value( $new_instance['policy-url'], $this->policy_url_options ); |
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if ( isset( $new_instance['hide-timeout'] ) ) { |
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// Time can be a value between 3 and 1000 seconds. |
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$instance['hide-timeout'] = min( 1000, max( 3, intval( $new_instance['hide-timeout'] ) ) ); |
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} |
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if ( isset( $new_instance['customtext'] ) ) { |
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$instance['customtext'] = mb_substr( wp_kses( $new_instance['customtext'], array() ), 0, 4096 ); |
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} else { |
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$instance['text'] = $this->text_options[0]; |
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} |
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if ( isset( $new_instance['custom-policy-url'] ) ) { |
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$instance['custom-policy-url'] = esc_url( $new_instance['custom-policy-url'], array( 'http', 'https' ) ); |
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if ( strlen( $instance['custom-policy-url'] ) < 10 ) { |
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unset( $instance['custom-policy-url'] ); |
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$instance['policy-url'] = $this->policy_url_options[0]; |
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} |
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} else { |
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$instance['policy-url'] = $this->policy_url_options[0]; |
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} |
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View Code Duplication |
if ( isset( $new_instance['policy-link-text'] ) ) { |
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$instance['policy-link-text'] = trim( mb_substr( wp_kses( $new_instance['policy-link-text'], array() ), 0, 100 ) ); |
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} |
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if ( empty( $instance['policy-link-text'] ) || $instance['policy-link-text'] == $defaults['policy-link-text'] ) { |
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unset( $instance['policy-link-text'] ); |
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} |
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View Code Duplication |
if ( isset( $new_instance['button'] ) ) { |
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$instance['button'] = trim( mb_substr( wp_kses( $new_instance['button'], array() ), 0, 100 ) ); |
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} |
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if ( empty( $instance['button'] ) || $instance['button'] == $defaults['button'] ) { |
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unset( $instance['button'] ); |
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} |
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// Show the banner again if a setting has been changed. |
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setcookie( self::$cookie_name, '', time() - 86400, '/' ); |
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return $instance; |
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} |
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/** |
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* Set the EU Cookie Law cookie. |
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*/ |
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public static function add_consent_cookie() { |
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if ( ! isset( $_POST['eucookielaw'] ) || 'accept' !== $_POST['eucookielaw'] ) { |
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return; |
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} |
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if ( ! isset( $_POST['_wpnonce'] ) || ! wp_verify_nonce( $_POST['_wpnonce'], 'eucookielaw' ) ) { |
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return; |
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} |
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// Cookie is valid for 30 days, so the user will be shown the banner again after 30 days. |
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setcookie( self::$cookie_name, current_time( 'timestamp' ), time() + self::$cookie_validity, '/' ); |
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wp_safe_redirect( $_POST['redirect_url'] ); |
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} |
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/** |
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* Check if the value is allowed and not empty. |
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* |
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* @param string $value Value to check. |
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* @param array $allowed Array of allowed values. |
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* |
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* @return string $value if pass the check or first value from allowed values. |
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*/ |
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View Code Duplication |
function filter_value( $value, $allowed = array() ) { |
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$allowed = (array) $allowed; |
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if ( empty( $value ) || ( ! empty( $allowed ) && ! in_array( $value, $allowed ) ) ) { |
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$value = $allowed[0]; |
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} |
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return $value; |
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} |
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} |
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// Register Jetpack_EU_Cookie_Law_Widget widget. |
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function jetpack_register_eu_cookie_law_widget() { |
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register_widget( 'Jetpack_EU_Cookie_Law_Widget' ); |
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}; |
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// Only load the widget if we're inside the admin or the user has not given their consent to accept cookies. |
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if ( is_admin() || empty( $_COOKIE[ Jetpack_EU_Cookie_Law_Widget::$cookie_name ] ) ) { |
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add_action( 'widgets_init', 'jetpack_register_eu_cookie_law_widget' ); |
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add_action( 'init', array( 'Jetpack_EU_Cookie_Law_Widget', 'add_consent_cookie' ) ); |
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} |
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} |
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