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class-jetpack-eu-cookie-law-widget.php
345 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Main class file for EU Cookie Law Widget. |
| 4 | * |
| 5 | * @package automattic/jetpack |
| 6 | */ |
| 7 | |
| 8 | use Automattic\Jetpack\Assets; |
| 9 | |
| 10 | /** |
| 11 | * Disable direct access/execution to/of the widget code. |
| 12 | */ |
| 13 | if ( ! defined( 'ABSPATH' ) ) { |
| 14 | exit; |
| 15 | } |
| 16 | |
| 17 | if ( ! class_exists( 'Jetpack_EU_Cookie_Law_Widget' ) ) { |
| 18 | /** |
| 19 | * EU Cookie Law Widget |
| 20 | * |
| 21 | * Display the EU Cookie Law banner in the bottom part of the screen. |
| 22 | */ |
| 23 | class Jetpack_EU_Cookie_Law_Widget extends WP_Widget { |
| 24 | /** |
| 25 | * EU Cookie Law cookie name. |
| 26 | * |
| 27 | * @var string |
| 28 | */ |
| 29 | public static $cookie_name = 'eucookielaw'; |
| 30 | |
| 31 | /** |
| 32 | * Default hide options. |
| 33 | * |
| 34 | * @var array |
| 35 | */ |
| 36 | private $hide_options = array( |
| 37 | 'button', |
| 38 | 'scroll', |
| 39 | 'time', |
| 40 | ); |
| 41 | |
| 42 | /** |
| 43 | * Default text options. |
| 44 | * |
| 45 | * @var array |
| 46 | */ |
| 47 | private $text_options = array( |
| 48 | 'default', |
| 49 | 'custom', |
| 50 | ); |
| 51 | |
| 52 | /** |
| 53 | * Default color scheme options. |
| 54 | * |
| 55 | * @var array |
| 56 | */ |
| 57 | private $color_scheme_options = array( |
| 58 | 'default', |
| 59 | 'negative', |
| 60 | ); |
| 61 | |
| 62 | /** |
| 63 | * Default policy URL options. |
| 64 | * |
| 65 | * @var array |
| 66 | */ |
| 67 | private $policy_url_options = array( |
| 68 | 'default', |
| 69 | 'custom', |
| 70 | ); |
| 71 | |
| 72 | /** |
| 73 | * Widget position options. |
| 74 | * |
| 75 | * @var array |
| 76 | */ |
| 77 | private $position_options = array( |
| 78 | 'bottom', |
| 79 | 'top', |
| 80 | ); |
| 81 | |
| 82 | /** |
| 83 | * Constructor. |
| 84 | */ |
| 85 | public function __construct() { |
| 86 | parent::__construct( |
| 87 | 'eu_cookie_law_widget', |
| 88 | /** This filter is documented in modules/widgets/facebook-likebox.php */ |
| 89 | apply_filters( 'jetpack_widget_name', esc_html__( 'Cookies & Consents Banner', 'jetpack' ) ), |
| 90 | array( |
| 91 | 'description' => esc_html__( 'Display a banner for EU Cookie Law and GDPR compliance.', 'jetpack' ), |
| 92 | 'customize_selective_refresh' => true, |
| 93 | ), |
| 94 | array() |
| 95 | ); |
| 96 | |
| 97 | if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) { |
| 98 | add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_frontend_scripts' ) ); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Enqueue scripts and styles. |
| 104 | */ |
| 105 | public function enqueue_frontend_scripts() { |
| 106 | wp_enqueue_style( 'eu-cookie-law-style', plugins_url( 'eu-cookie-law/style.css', __FILE__ ), array(), JETPACK__VERSION ); |
| 107 | |
| 108 | if ( ! class_exists( 'Jetpack_AMP_Support' ) || ! Jetpack_AMP_Support::is_amp_request() ) { |
| 109 | wp_enqueue_script( |
| 110 | 'eu-cookie-law-script', |
| 111 | Assets::get_file_url_for_environment( |
| 112 | '_inc/build/widgets/eu-cookie-law/eu-cookie-law.min.js', |
| 113 | 'modules/widgets/eu-cookie-law/eu-cookie-law.js' |
| 114 | ), |
| 115 | array(), |
| 116 | '20180522', |
| 117 | true |
| 118 | ); |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Return an associative array of default values. |
| 124 | * |
| 125 | * These values are used in new widgets. |
| 126 | * |
| 127 | * @return array Default values for the widget options. |
| 128 | */ |
| 129 | public function defaults() { |
| 130 | return array( |
| 131 | 'hide' => $this->hide_options[0], |
| 132 | 'hide-timeout' => 30, |
| 133 | 'consent-expiration' => 180, |
| 134 | 'text' => $this->text_options[0], |
| 135 | 'customtext' => '', |
| 136 | 'color-scheme' => $this->color_scheme_options[0], |
| 137 | 'policy-url' => get_option( 'wp_page_for_privacy_policy' ) ? $this->policy_url_options[1] : $this->policy_url_options[0], |
| 138 | 'default-policy-url' => 'https://automattic.com/cookies/', |
| 139 | 'custom-policy-url' => get_option( 'wp_page_for_privacy_policy' ) ? get_permalink( (int) get_option( 'wp_page_for_privacy_policy' ) ) : '', |
| 140 | 'position' => $this->position_options[0], |
| 141 | 'policy-link-text' => esc_html__( 'Cookie Policy', 'jetpack' ), |
| 142 | 'button' => esc_html__( 'Close and accept', 'jetpack' ), |
| 143 | 'default-text' => esc_html__( "Privacy & Cookies: This site uses cookies. By continuing to use this website, you agree to their use. \r\nTo find out more, including how to control cookies, see here:", 'jetpack' ), |
| 144 | ); |
| 145 | } |
| 146 | |
| 147 | /** |
| 148 | * Front-end display of the widget. |
| 149 | * |
| 150 | * @html-template-var array $instance |
| 151 | * @html-template-var array<string,string> $classes |
| 152 | * |
| 153 | * @param array $args Widget arguments. |
| 154 | * @param array $instance Saved values from database. |
| 155 | */ |
| 156 | public function widget( $args, $instance ) { |
| 157 | /** |
| 158 | * Filters the display of the EU Cookie Law widget. |
| 159 | * |
| 160 | * @since 6.1.1 |
| 161 | * |
| 162 | * @param bool true Should the EU Cookie Law widget be disabled. Default to false. |
| 163 | */ |
| 164 | if ( apply_filters( 'jetpack_disable_eu_cookie_law_widget', false ) ) { |
| 165 | return; |
| 166 | } |
| 167 | |
| 168 | $instance = wp_parse_args( $instance, $this->defaults() ); |
| 169 | |
| 170 | if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) { |
| 171 | require __DIR__ . '/eu-cookie-law/widget-amp.php'; |
| 172 | return; |
| 173 | } |
| 174 | |
| 175 | $classes = array(); |
| 176 | $classes['hide'] = 'hide-on-' . esc_attr( $instance['hide'] ); |
| 177 | if ( 'negative' === $instance['color-scheme'] ) { |
| 178 | $classes['negative'] = 'negative'; |
| 179 | } |
| 180 | |
| 181 | if ( 'top' === $instance['position'] ) { |
| 182 | $classes['top'] = 'top'; |
| 183 | } |
| 184 | |
| 185 | if ( Jetpack::is_module_active( 'wordads' ) ) { |
| 186 | $classes['ads'] = 'ads-active'; |
| 187 | $classes['hide'] = 'hide-on-button'; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Check if widget is loaded in widgets.php. |
| 192 | * |
| 193 | * @return string widget Static version of the widget for better preview. |
| 194 | */ |
| 195 | global $pagenow; |
| 196 | if ( 'widgets.php' === $pagenow ) { |
| 197 | // To prevent the widget from being added as a pop-up |
| 198 | // we do not echo the before and after $args. Instead we wrap |
| 199 | // it in a dummy `div` and return before the `widget_view` is |
| 200 | // added to stats. |
| 201 | echo '<div id="eu-cookie-law" style="padding: 0;margin: 5px">'; |
| 202 | require_once __DIR__ . '/eu-cookie-law/widget.php'; |
| 203 | echo '</div>'; |
| 204 | return; |
| 205 | } |
| 206 | |
| 207 | echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 208 | require_once __DIR__ . '/eu-cookie-law/widget.php'; |
| 209 | echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 210 | |
| 211 | /** This action is already documented in modules/widgets/gravatar-profile.php */ |
| 212 | do_action( 'jetpack_stats_extra', 'widget_view', 'eu_cookie_law' ); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Back-end widget form. |
| 217 | * |
| 218 | * @html-template-var array $instance |
| 219 | * |
| 220 | * @param array $instance Previously saved values from database. |
| 221 | */ |
| 222 | public function form( $instance ) { |
| 223 | $instance = wp_parse_args( $instance, $this->defaults() ); |
| 224 | if ( Jetpack::is_module_active( 'wordads' ) ) { |
| 225 | $instance['hide'] = 'button'; |
| 226 | } |
| 227 | |
| 228 | wp_enqueue_script( |
| 229 | 'eu-cookie-law-widget-admin', |
| 230 | Assets::get_file_url_for_environment( |
| 231 | '_inc/build/widgets/eu-cookie-law/eu-cookie-law-admin.min.js', |
| 232 | 'modules/widgets/eu-cookie-law/eu-cookie-law-admin.js' |
| 233 | ), |
| 234 | array( 'jquery' ), |
| 235 | 20180417, |
| 236 | false |
| 237 | ); |
| 238 | |
| 239 | require __DIR__ . '/eu-cookie-law/form.php'; |
| 240 | } |
| 241 | |
| 242 | /** |
| 243 | * Sanitize widget form values as they are saved. |
| 244 | * |
| 245 | * @param array $new_instance Values just sent to be saved. |
| 246 | * @param array $old_instance Previously saved values from database. |
| 247 | * @return array Updated safe values to be saved. |
| 248 | */ |
| 249 | public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 250 | $instance = array(); |
| 251 | $defaults = $this->defaults(); |
| 252 | |
| 253 | $instance['hide'] = $this->filter_value( isset( $new_instance['hide'] ) ? $new_instance['hide'] : '', $this->hide_options ); |
| 254 | $instance['text'] = $this->filter_value( isset( $new_instance['text'] ) ? $new_instance['text'] : '', $this->text_options ); |
| 255 | $instance['color-scheme'] = $this->filter_value( isset( $new_instance['color-scheme'] ) ? $new_instance['color-scheme'] : '', $this->color_scheme_options ); |
| 256 | $instance['policy-url'] = $this->filter_value( isset( $new_instance['policy-url'] ) ? $new_instance['policy-url'] : '', $this->policy_url_options ); |
| 257 | $instance['position'] = $this->filter_value( isset( $new_instance['position'] ) ? $new_instance['position'] : '', $this->position_options ); |
| 258 | |
| 259 | if ( isset( $new_instance['hide-timeout'] ) ) { |
| 260 | // Time can be a value between 3 and 1000 seconds. |
| 261 | $instance['hide-timeout'] = min( 1000, max( 3, (int) $new_instance['hide-timeout'] ) ); |
| 262 | } |
| 263 | |
| 264 | if ( isset( $new_instance['consent-expiration'] ) ) { |
| 265 | // Time can be a value between 1 and 365 days. |
| 266 | $instance['consent-expiration'] = min( 365, max( 1, (int) $new_instance['consent-expiration'] ) ); |
| 267 | } |
| 268 | |
| 269 | if ( isset( $new_instance['customtext'] ) ) { |
| 270 | $instance['customtext'] = mb_substr( wp_kses( $new_instance['customtext'], array() ), 0, 4096 ); |
| 271 | } else { |
| 272 | $instance['text'] = $this->text_options[0]; |
| 273 | } |
| 274 | |
| 275 | if ( isset( $new_instance['policy-url'] ) ) { |
| 276 | $instance['policy-url'] = 'custom' === $new_instance['policy-url'] |
| 277 | ? 'custom' |
| 278 | : 'default'; |
| 279 | } else { |
| 280 | $instance['policy-url'] = $this->policy_url_options[0]; |
| 281 | } |
| 282 | |
| 283 | if ( 'custom' === $instance['policy-url'] && isset( $new_instance['custom-policy-url'] ) ) { |
| 284 | $instance['custom-policy-url'] = esc_url( $new_instance['custom-policy-url'], array( 'http', 'https' ) ); |
| 285 | |
| 286 | if ( strlen( $instance['custom-policy-url'] ) < 10 ) { |
| 287 | unset( $instance['custom-policy-url'] ); |
| 288 | global $wp_customize; |
| 289 | if ( ! isset( $wp_customize ) ) { |
| 290 | $instance['policy-url'] = $this->policy_url_options[0]; |
| 291 | } |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | if ( isset( $new_instance['policy-link-text'] ) ) { |
| 296 | $instance['policy-link-text'] = trim( mb_substr( wp_kses( $new_instance['policy-link-text'], array() ), 0, 100 ) ); |
| 297 | } |
| 298 | |
| 299 | if ( empty( $instance['policy-link-text'] ) || $instance['policy-link-text'] === $defaults['policy-link-text'] ) { |
| 300 | unset( $instance['policy-link-text'] ); |
| 301 | } |
| 302 | |
| 303 | if ( isset( $new_instance['button'] ) ) { |
| 304 | $instance['button'] = trim( mb_substr( wp_kses( $new_instance['button'], array() ), 0, 100 ) ); |
| 305 | } |
| 306 | |
| 307 | if ( empty( $instance['button'] ) || $instance['button'] === $defaults['button'] ) { |
| 308 | unset( $instance['button'] ); |
| 309 | } |
| 310 | |
| 311 | // Show the banner again if a setting has been changed. |
| 312 | setcookie( self::$cookie_name, '', time() - 86400, '/', COOKIE_DOMAIN, is_ssl(), false ); // phpcs:ignore Jetpack.Functions.SetCookie -- Fine to have accessible. |
| 313 | |
| 314 | return $instance; |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * Check if the value is allowed and not empty. |
| 319 | * |
| 320 | * @param string $value Value to check. |
| 321 | * @param array $allowed Array of allowed values. |
| 322 | * |
| 323 | * @return string $value if pass the check or first value from allowed values. |
| 324 | */ |
| 325 | public function filter_value( $value, $allowed = array() ) { |
| 326 | $allowed = (array) $allowed; |
| 327 | if ( empty( $value ) || ( ! empty( $allowed ) && ! in_array( $value, $allowed, true ) ) ) { |
| 328 | $value = $allowed[0]; |
| 329 | } |
| 330 | return $value; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | // phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move these functions to some other file. |
| 335 | |
| 336 | /** |
| 337 | * Register Jetpack_EU_Cookie_Law_Widget widget. |
| 338 | */ |
| 339 | function jetpack_register_eu_cookie_law_widget() { |
| 340 | register_widget( 'Jetpack_EU_Cookie_Law_Widget' ); |
| 341 | } |
| 342 | |
| 343 | add_action( 'widgets_init', 'jetpack_register_eu_cookie_law_widget' ); |
| 344 | } |
| 345 |