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| 1 | <?php |
| 2 | /** |
| 3 | * The Stats settings the dashboard's Settings tab edits. |
| 4 | * |
| 5 | * @package automattic/jetpack-premium-analytics |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\PremiumAnalytics; |
| 9 | |
| 10 | use Automattic\Jetpack\Stats\Options as Stats_Options; |
| 11 | use Automattic\Jetpack\Stats\Settings as Stats_Package_Settings; |
| 12 | use Automattic\Jetpack\Status\Host; |
| 13 | |
| 14 | /** |
| 15 | * Exposes the Stats settings through core's `wp/v2/settings` route, and the role list the Settings tab offers through script data. |
| 16 | */ |
| 17 | final class Stats_Settings { |
| 18 | |
| 19 | /** |
| 20 | * Settings group the options register under. |
| 21 | * |
| 22 | * @var string |
| 23 | */ |
| 24 | private const GROUP = 'jetpack_premium_analytics'; |
| 25 | |
| 26 | /** |
| 27 | * Site option holding whether the WordPress.com Reader shows post views. |
| 28 | * |
| 29 | * @var string |
| 30 | */ |
| 31 | private const READER_VIEWS_OPTION = 'wpcom_reader_views_enabled'; |
| 32 | |
| 33 | /** |
| 34 | * The `stats_options` fields the Settings tab edits. The option also holds internal state, which the route never exposes. |
| 35 | * |
| 36 | * @var string[] |
| 37 | */ |
| 38 | private const FIELDS = array( 'admin_bar', 'roles', 'count_roles' ); |
| 39 | |
| 40 | /** |
| 41 | * Cookie banner plugins that support the WP Consent API, by plugin directory: the WordPress.org ones the WP Consent API readme lists. |
| 42 | * |
| 43 | * @var string[] |
| 44 | */ |
| 45 | private const BANNER_PLUGINS = array( |
| 46 | 'arqam360-consent-privacy-pdplgdpr' => 'Arqam360 Cookie Consent Banner', |
| 47 | 'beautiful-and-responsive-cookie-consent' => 'Beautiful Cookie Consent Banner', |
| 48 | 'clickio-consent' => 'Clickio Consent', |
| 49 | 'complianz-gdpr' => 'Complianz', |
| 50 | 'complianz-gdpr-premium' => 'Complianz', |
| 51 | 'consent-manager' => 'consentmanager', |
| 52 | 'cookie-law-info' => 'CookieYes', |
| 53 | 'cookiebot' => 'Cookiebot', |
| 54 | 'cookiefirst-gdpr-cookie-consent-banner' => 'CookieFirst', |
| 55 | 'cookiehub' => 'CookieHub', |
| 56 | 'cookietractor' => 'CookieTractor', |
| 57 | 'gdpr-cookie-compliance' => 'GDPR Cookie Compliance', |
| 58 | 'ibamu' => 'Lawwwing', |
| 59 | 'iubenda-cookie-law-solution' => 'iubenda', |
| 60 | 'pressidium-cookie-consent' => 'Pressidium Cookie Consent', |
| 61 | 'sirdata-cmp' => 'Abconsent Sirdata CMP', |
| 62 | 'trustarc-cookie-consent-manager' => 'TrustArc Cookie Consent Manager', |
| 63 | ); |
| 64 | |
| 65 | /** |
| 66 | * The banner plugins the card suggests, by WordPress.org slug. |
| 67 | * |
| 68 | * @var string[] |
| 69 | */ |
| 70 | private const RECOMMENDED_BANNERS = array( 'complianz-gdpr', 'cookiebot', 'cookie-law-info' ); |
| 71 | |
| 72 | /** |
| 73 | * The Stats package's refusal of the current write, held until the route answers. |
| 74 | * |
| 75 | * @var \WP_Error|null |
| 76 | */ |
| 77 | private static $update_error = null; |
| 78 | |
| 79 | /** |
| 80 | * Hook the settings up, except on Simple sites, where WordPress.com owns the Stats settings. |
| 81 | * |
| 82 | * @return void |
| 83 | */ |
| 84 | public static function configure() { |
| 85 | if ( ( new Host() )->is_wpcom_simple() ) { |
| 86 | return; |
| 87 | } |
| 88 | |
| 89 | add_action( 'rest_api_init', array( __CLASS__, 'register' ) ); |
| 90 | // Counting users per role costs a query, so only the dashboard pays for it. |
| 91 | if ( Analytics::is_dashboard_request() ) { |
| 92 | add_filter( 'jetpack_admin_js_script_data', array( __CLASS__, 'add_script_data' ), 20 ); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Declare the settings so core's settings route exposes them. |
| 98 | * |
| 99 | * @return void |
| 100 | */ |
| 101 | public static function register() { |
| 102 | $role = array( |
| 103 | 'type' => 'string', |
| 104 | 'enum' => self::get_role_slugs(), |
| 105 | ); |
| 106 | |
| 107 | register_setting( |
| 108 | self::GROUP, |
| 109 | Stats_Options::OPTION_NAME, |
| 110 | array( |
| 111 | 'type' => 'object', |
| 112 | 'show_in_rest' => array( |
| 113 | 'schema' => array( |
| 114 | 'type' => 'object', |
| 115 | 'properties' => array( |
| 116 | 'admin_bar' => array( 'type' => 'boolean' ), |
| 117 | 'roles' => array( |
| 118 | 'type' => 'array', |
| 119 | 'items' => $role, |
| 120 | 'minItems' => 1, |
| 121 | ), |
| 122 | 'count_roles' => array( |
| 123 | 'type' => 'array', |
| 124 | 'items' => $role, |
| 125 | ), |
| 126 | ), |
| 127 | 'additionalProperties' => false, |
| 128 | ), |
| 129 | ), |
| 130 | 'description' => __( 'Jetpack Stats settings.', 'jetpack-premium-analytics-pkg' ), |
| 131 | ) |
| 132 | ); |
| 133 | register_setting( |
| 134 | self::GROUP, |
| 135 | self::READER_VIEWS_OPTION, |
| 136 | array( |
| 137 | 'type' => 'boolean', |
| 138 | 'default' => true, |
| 139 | 'show_in_rest' => true, |
| 140 | 'sanitize_callback' => array( __CLASS__, 'sanitize_reader_views' ), |
| 141 | 'description' => __( 'Whether the WordPress.com Reader shows post views for this site.', 'jetpack-premium-analytics-pkg' ), |
| 142 | ) |
| 143 | ); |
| 144 | add_filter( 'rest_pre_get_setting', array( __CLASS__, 'get_stats_options' ), 10, 2 ); |
| 145 | add_filter( 'rest_pre_update_setting', array( __CLASS__, 'update_stats_options' ), 10, 3 ); |
| 146 | add_filter( 'rest_request_after_callbacks', array( __CLASS__, 'report_update_error' ) ); |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * The role slugs the role fields accept: the site's roles, plus any already stored, so a removed role still reads back. |
| 151 | * |
| 152 | * @return string[] |
| 153 | */ |
| 154 | private static function get_role_slugs() { |
| 155 | $stored = get_option( Stats_Options::OPTION_NAME, array() ); |
| 156 | $slugs = array_keys( wp_roles()->roles ); |
| 157 | |
| 158 | foreach ( array( 'roles', 'count_roles' ) as $field ) { |
| 159 | if ( is_array( $stored ) && isset( $stored[ $field ] ) && is_array( $stored[ $field ] ) ) { |
| 160 | $slugs = array_merge( $slugs, array_filter( $stored[ $field ], 'is_string' ) ); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | return array_values( array_unique( $slugs ) ); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Answer the settings route with the editable fields only, defaults included. |
| 169 | * |
| 170 | * @param mixed $value The value another filter supplied, or null. |
| 171 | * @param string $name The setting's name on the route. |
| 172 | * @return mixed The editable fields for `stats_options`, otherwise `$value`. |
| 173 | */ |
| 174 | public static function get_stats_options( $value, $name ) { |
| 175 | if ( Stats_Options::OPTION_NAME !== $name ) { |
| 176 | return $value; |
| 177 | } |
| 178 | |
| 179 | return Stats_Package_Settings::get( self::FIELDS ); |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Save a write to `stats_options` through the Stats package, which keeps the option's internal state and administrators' access, and check that the Reader setting was stored. |
| 184 | * |
| 185 | * Core ignores an error from this filter, so a refusal is held for `report_update_error()`. |
| 186 | * |
| 187 | * @param bool $updated Whether another filter saved the setting. |
| 188 | * @param string $name The setting's name on the route. |
| 189 | * @param mixed $value The value sent. |
| 190 | * @return bool Whether the setting was handled. |
| 191 | */ |
| 192 | public static function update_stats_options( $updated, $name, $value ) { |
| 193 | if ( self::READER_VIEWS_OPTION === $name ) { |
| 194 | $result = Stats_Package_Settings::update_reader_views( rest_sanitize_boolean( $value ) ); |
| 195 | } elseif ( Stats_Options::OPTION_NAME === $name ) { |
| 196 | $result = Stats_Package_Settings::update( is_array( $value ) ? $value : array(), self::FIELDS ); |
| 197 | } else { |
| 198 | return $updated; |
| 199 | } |
| 200 | |
| 201 | if ( is_wp_error( $result ) ) { |
| 202 | self::$update_error = $result; |
| 203 | } |
| 204 | |
| 205 | return true; |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * Answer the settings route with the Stats package's refusal, when it refused the write. |
| 210 | * |
| 211 | * @param mixed $response The route's response. |
| 212 | * @return mixed The refusal, otherwise `$response`. |
| 213 | */ |
| 214 | public static function report_update_error( $response ) { |
| 215 | if ( null === self::$update_error ) { |
| 216 | return $response; |
| 217 | } |
| 218 | |
| 219 | $error = self::$update_error; |
| 220 | self::$update_error = null; |
| 221 | |
| 222 | return $error; |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * Store the Reader setting as 0 or 1: a bare `false` would reach the options table as `''`, which the schema does not read back as a boolean. |
| 227 | * |
| 228 | * @param mixed $value The value being written. |
| 229 | * @return int |
| 230 | */ |
| 231 | public static function sanitize_reader_views( $value ) { |
| 232 | return (int) rest_sanitize_boolean( $value ); |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Give the Settings tab the roles it lists, with how many users hold each, the screen that switches the Stats module on and off, and the visitor consent setup. |
| 237 | * |
| 238 | * @param array $data The script data. |
| 239 | * @return array The script data with the Stats settings context added. |
| 240 | */ |
| 241 | public static function add_script_data( $data ) { |
| 242 | if ( ! current_user_can( 'manage_options' ) ) { |
| 243 | return $data; |
| 244 | } |
| 245 | |
| 246 | if ( ! function_exists( 'get_editable_roles' ) ) { |
| 247 | require_once ABSPATH . 'wp-admin/includes/user.php'; |
| 248 | } |
| 249 | |
| 250 | // Counting users is a slow query on large sites, so their roles come without counts. |
| 251 | $counts = wp_is_large_user_count() ? null : count_users()['avail_roles']; |
| 252 | $roles = array(); |
| 253 | foreach ( get_editable_roles() as $slug => $role ) { |
| 254 | $roles[] = array( |
| 255 | 'slug' => $slug, |
| 256 | 'name' => translate_user_role( $role['name'] ), |
| 257 | 'count' => null === $counts ? null : (int) ( $counts[ $slug ] ?? 0 ), |
| 258 | ); |
| 259 | } |
| 260 | |
| 261 | if ( ! isset( $data['premium_analytics'] ) || ! is_array( $data['premium_analytics'] ) ) { |
| 262 | $data['premium_analytics'] = array(); |
| 263 | } |
| 264 | |
| 265 | $data['premium_analytics']['stats_settings'] = array( |
| 266 | 'roles' => $roles, |
| 267 | // Jetpack can be active without My Jetpack's screen, for example on Atomic, where wpcomsh skips it. |
| 268 | 'features_url' => class_exists( 'Jetpack' ) && '' !== menu_page_url( 'my-jetpack', false ) ? admin_url( 'admin.php?page=my-jetpack#/features?search=stats' ) : null, |
| 269 | 'consent' => self::get_consent_status(), |
| 270 | ); |
| 271 | |
| 272 | return $data; |
| 273 | } |
| 274 | |
| 275 | /** |
| 276 | * Whether visitor consent can reach Stats: the WP Consent API bridge, and a cookie banner plugin behind it. |
| 277 | * |
| 278 | * @return array{api_active: bool, api_installed: bool, consent_type_declared: bool, banner_plugin: string|null, banner_blocks_stats: bool, recommended_banners: list<array{name: string, url: string}>, can_install: bool, can_activate: bool, file_mods_allowed: bool} |
| 279 | */ |
| 280 | private static function get_consent_status() { |
| 281 | $plugin_file = 'wp-consent-api/wp-consent-api.php'; |
| 282 | $active_plugins = (array) get_option( 'active_plugins', array() ); |
| 283 | if ( is_multisite() ) { |
| 284 | $active_plugins = array_merge( $active_plugins, array_keys( (array) get_site_option( 'active_sitewide_plugins', array() ) ) ); |
| 285 | } |
| 286 | $banner_plugin = null; |
| 287 | foreach ( $active_plugins as $active ) { |
| 288 | $dir = strtok( $active, '/' ); |
| 289 | if ( isset( self::BANNER_PLUGINS[ $dir ] ) ) { |
| 290 | $banner_plugin = self::BANNER_PLUGINS[ $dir ]; |
| 291 | break; |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | $recommended_banners = array(); |
| 296 | foreach ( self::RECOMMENDED_BANNERS as $slug ) { |
| 297 | $recommended_banners[] = array( |
| 298 | 'name' => self::BANNER_PLUGINS[ $slug ], |
| 299 | 'url' => 'https://wordpress.org/plugins/' . $slug . '/', |
| 300 | ); |
| 301 | } |
| 302 | |
| 303 | return array( |
| 304 | 'api_active' => function_exists( 'wp_has_consent' ), |
| 305 | 'api_installed' => file_exists( WP_PLUGIN_DIR . '/' . $plugin_file ), |
| 306 | // Some banners answer this filter even before the WP Consent API is active; others set the type only in the browser, hence `banner_plugin`. |
| 307 | 'consent_type_declared' => (bool) apply_filters( 'wp_get_consent_type', '' ), // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- The WP Consent API's filter, which banner plugins answer. |
| 308 | 'banner_plugin' => $banner_plugin, |
| 309 | 'banner_blocks_stats' => self::banner_blocks_stats(), |
| 310 | 'recommended_banners' => $recommended_banners, |
| 311 | // What core's `wp/v2/plugins` route checks before it installs or activates. |
| 312 | 'can_install' => current_user_can( 'install_plugins' ) && current_user_can( 'activate_plugins' ), |
| 313 | 'can_activate' => current_user_can( 'activate_plugin', $plugin_file ), |
| 314 | // The check core's `install_plugins` capability makes first, so the card can say why it cannot install. |
| 315 | 'file_mods_allowed' => wp_is_file_mod_allowed( 'capability_update_core' ), |
| 316 | ); |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * Whether Complianz's Jetpack integration holds the Stats script until visitors allow statistics, with or without the WP Consent API. |
| 321 | * |
| 322 | * @return bool |
| 323 | */ |
| 324 | private static function banner_blocks_stats() { |
| 325 | if ( ! function_exists( 'cmplz_integration_plugin_is_enabled' ) || ! function_exists( 'cmplz_can_run_cookie_blocker' ) ) { |
| 326 | return false; |
| 327 | } |
| 328 | |
| 329 | // `true` asks whether the blocker runs on the front end, since it never runs in wp-admin. |
| 330 | // @phan-suppress-next-line PhanUndeclaredFunction -- Defined by Complianz, checked just before. |
| 331 | return cmplz_integration_plugin_is_enabled( 'jetpack' ) && cmplz_can_run_cookie_blocker( true ); |
| 332 | } |
| 333 | } |