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| 1 | <?php |
| 2 | /** |
| 3 | * Users sync module. |
| 4 | * |
| 5 | * @package automattic/jetpack-sync |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Sync\Modules; |
| 9 | |
| 10 | use Automattic\Jetpack\Connection\Manager; |
| 11 | use Automattic\Jetpack\Constants as Jetpack_Constants; |
| 12 | use Automattic\Jetpack\Password_Checker; |
| 13 | use Automattic\Jetpack\Sync\Defaults; |
| 14 | |
| 15 | if ( ! defined( 'ABSPATH' ) ) { |
| 16 | exit( 0 ); |
| 17 | } |
| 18 | |
| 19 | /** |
| 20 | * Class to handle sync for users. |
| 21 | */ |
| 22 | class Users extends Module { |
| 23 | /** |
| 24 | * Maximum number of users to sync initially. |
| 25 | * |
| 26 | * @var int |
| 27 | */ |
| 28 | const MAX_INITIAL_SYNC_USERS = 100; |
| 29 | |
| 30 | /** |
| 31 | * User flags we care about. |
| 32 | * |
| 33 | * @access protected |
| 34 | * |
| 35 | * @var array |
| 36 | */ |
| 37 | protected $flags = array(); |
| 38 | |
| 39 | /** |
| 40 | * Mapping between user fields to flags. |
| 41 | * |
| 42 | * @var array |
| 43 | */ |
| 44 | protected $user_fields_to_flags_mapping = array( |
| 45 | 'user_pass' => 'password_changed', |
| 46 | 'user_email' => 'email_changed', |
| 47 | 'user_nicename' => 'nicename_changed', |
| 48 | 'user_url' => 'url_changed', |
| 49 | 'user_registered' => 'registration_date_changed', |
| 50 | 'user_activation_key' => 'activation_key_changed', |
| 51 | 'display_name' => 'display_name_changed', |
| 52 | ); |
| 53 | |
| 54 | /** |
| 55 | * Sync module name. |
| 56 | * |
| 57 | * @access public |
| 58 | * |
| 59 | * @return string |
| 60 | */ |
| 61 | public function name() { |
| 62 | return 'users'; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * The table name. |
| 67 | * |
| 68 | * @access public |
| 69 | * |
| 70 | * @return string |
| 71 | * @deprecated since 3.11.0 Use table() instead. |
| 72 | */ |
| 73 | public function table_name() { |
| 74 | _deprecated_function( __METHOD__, '3.11.0', 'Automattic\\Jetpack\\Sync\\Users->table' ); |
| 75 | return 'usermeta'; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * The table in the database with the prefix. |
| 80 | * |
| 81 | * @access public |
| 82 | * |
| 83 | * @return string|bool |
| 84 | */ |
| 85 | public function table() { |
| 86 | global $wpdb; |
| 87 | return $wpdb->usermeta; |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * The id field in the database. |
| 92 | * |
| 93 | * @access public |
| 94 | * |
| 95 | * @return string |
| 96 | */ |
| 97 | public function id_field() { |
| 98 | return 'user_id'; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Retrieve a user by its ID. |
| 103 | * This is here to support the backfill API. |
| 104 | * |
| 105 | * @access public |
| 106 | * |
| 107 | * @param string $object_type Type of the sync object. |
| 108 | * @param int $id ID of the sync object. |
| 109 | * @return \WP_User|bool Filtered \WP_User object, or false if the object is not a user. |
| 110 | */ |
| 111 | public function get_object_by_id( $object_type, $id ) { |
| 112 | if ( 'user' === $object_type ) { |
| 113 | $user = get_user_by( 'id', (int) $id ); |
| 114 | if ( $user ) { |
| 115 | return $this->sanitize_user_and_expand( $user ); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | return false; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Initialize users action listeners. |
| 124 | * |
| 125 | * @access public |
| 126 | * |
| 127 | * @param callable $callable Action handler callable. |
| 128 | */ |
| 129 | public function init_listeners( $callable ) { |
| 130 | // Users. |
| 131 | add_action( 'user_register', array( $this, 'user_register_handler' ) ); |
| 132 | add_action( 'profile_update', array( $this, 'save_user_handler' ), 10, 2 ); |
| 133 | |
| 134 | add_action( 'add_user_to_blog', array( $this, 'add_user_to_blog_handler' ) ); |
| 135 | add_action( 'jetpack_sync_add_user', $callable, 10, 2 ); |
| 136 | |
| 137 | add_action( 'jetpack_sync_register_user', $callable, 10, 2 ); |
| 138 | add_action( 'jetpack_sync_save_user', $callable, 10, 2 ); |
| 139 | |
| 140 | add_action( 'jetpack_sync_user_locale', $callable, 10, 2 ); |
| 141 | add_action( 'jetpack_sync_user_locale_delete', $callable, 10, 1 ); |
| 142 | |
| 143 | add_action( 'deleted_user', array( $this, 'deleted_user_handler' ), 10, 2 ); |
| 144 | add_action( 'jetpack_deleted_user', $callable, 10, 3 ); |
| 145 | add_action( 'remove_user_from_blog', array( $this, 'remove_user_from_blog_handler' ), 10, 3 ); |
| 146 | add_action( 'jetpack_removed_user_from_blog', $callable, 10, 2 ); |
| 147 | |
| 148 | // User roles. |
| 149 | add_action( 'add_user_role', array( $this, 'add_user_role_handler' ), 10, 2 ); |
| 150 | add_action( 'set_user_role', array( $this, 'save_user_role_handler' ), 10, 3 ); |
| 151 | add_action( 'remove_user_role', array( $this, 'remove_user_role_handler' ), 10, 2 ); |
| 152 | |
| 153 | // User capabilities. |
| 154 | add_action( 'added_user_meta', array( $this, 'maybe_save_user_meta' ), 10, 4 ); |
| 155 | add_action( 'updated_user_meta', array( $this, 'maybe_save_user_meta' ), 10, 4 ); |
| 156 | add_action( 'deleted_user_meta', array( $this, 'maybe_save_user_meta' ), 10, 4 ); |
| 157 | |
| 158 | // User authentication. |
| 159 | add_filter( 'authenticate', array( $this, 'authenticate_handler' ), 1000, 3 ); |
| 160 | add_action( 'wp_login', array( $this, 'wp_login_handler' ), 10, 2 ); |
| 161 | |
| 162 | add_action( 'jetpack_wp_login', $callable, 10, 3 ); |
| 163 | |
| 164 | add_action( 'wp_logout', $callable, 10, 1 ); |
| 165 | add_action( 'wp_masterbar_logout', $callable, 10, 1 ); |
| 166 | |
| 167 | // Add on init. |
| 168 | add_filter( 'jetpack_sync_before_enqueue_jetpack_sync_add_user', array( $this, 'expand_action' ) ); |
| 169 | add_filter( 'jetpack_sync_before_enqueue_jetpack_sync_register_user', array( $this, 'expand_action' ) ); |
| 170 | add_filter( 'jetpack_sync_before_enqueue_jetpack_sync_save_user', array( $this, 'expand_action' ) ); |
| 171 | add_filter( 'jetpack_sync_before_enqueue_jetpack_wp_login', array( $this, 'expand_login_username' ), 10, 1 ); |
| 172 | add_filter( 'jetpack_sync_before_enqueue_wp_logout', array( $this, 'expand_logout_username' ), 10, 1 ); |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Initialize users action listeners for full sync. |
| 177 | * |
| 178 | * @access public |
| 179 | * |
| 180 | * @param callable $callable Action handler callable. |
| 181 | */ |
| 182 | public function init_full_sync_listeners( $callable ) { |
| 183 | add_action( 'jetpack_full_sync_users', $callable ); |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * Initialize the module in the sender. |
| 188 | * |
| 189 | * @access public |
| 190 | */ |
| 191 | public function init_before_send() { |
| 192 | // Full sync. |
| 193 | add_filter( 'jetpack_sync_before_send_jetpack_full_sync_users', array( $this, 'expand_users' ) ); |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Retrieve a user by a user ID or object. |
| 198 | * |
| 199 | * @access private |
| 200 | * |
| 201 | * @param mixed $user User object or ID. |
| 202 | * @return \WP_User|null User object, or `null` if user invalid/not found. |
| 203 | */ |
| 204 | private function get_user( $user ) { |
| 205 | if ( is_numeric( $user ) ) { |
| 206 | $user = get_user_by( 'id', $user ); |
| 207 | } |
| 208 | if ( $user instanceof \WP_User ) { |
| 209 | return $user; |
| 210 | } |
| 211 | return null; |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Sanitize a user object. |
| 216 | * Removes the password from the user object because we don't want to sync it. |
| 217 | * |
| 218 | * @access public |
| 219 | * |
| 220 | * @todo Refactor `serialize`/`unserialize` to `wp_json_encode`/`wp_json_decode`. |
| 221 | * |
| 222 | * @param \WP_User $user User object. |
| 223 | * @return \WP_User Sanitized user object. |
| 224 | */ |
| 225 | public function sanitize_user( $user ) { |
| 226 | $user = $this->get_user( $user ); |
| 227 | // This creates a new user object and stops the passing of the object by reference. |
| 228 | // // phpcs:disable WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize, WordPress.PHP.DiscouragedPHPFunctions.serialize_unserialize |
| 229 | $user = unserialize( serialize( $user ) ); |
| 230 | |
| 231 | if ( is_object( $user ) && is_object( $user->data ) ) { |
| 232 | unset( $user->data->user_pass ); |
| 233 | } |
| 234 | return $user; |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Expand a particular user. |
| 239 | * |
| 240 | * @access public |
| 241 | * |
| 242 | * @param \WP_User $user User object. |
| 243 | * @return \WP_User Expanded user object. |
| 244 | */ |
| 245 | public function expand_user( $user ) { |
| 246 | if ( ! is_object( $user ) ) { |
| 247 | return null; |
| 248 | } |
| 249 | $user->allowed_mime_types = get_allowed_mime_types( $user ); |
| 250 | $user->allcaps = $this->get_real_user_capabilities( $user ); |
| 251 | |
| 252 | // Only set the user locale if it is different from the site locale. |
| 253 | if ( get_locale() !== get_user_locale( $user->ID ) ) { |
| 254 | $user->locale = get_user_locale( $user->ID ); |
| 255 | } |
| 256 | |
| 257 | $user->is_connected = ( new Manager( 'jetpack' ) )->is_user_connected( $user->ID ); |
| 258 | |
| 259 | return $user; |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Retrieve capabilities we care about for a particular user. |
| 264 | * |
| 265 | * @access public |
| 266 | * |
| 267 | * @param \WP_User $user User object. |
| 268 | * @return array User capabilities. |
| 269 | */ |
| 270 | public function get_real_user_capabilities( $user ) { |
| 271 | $user_capabilities = array(); |
| 272 | if ( is_wp_error( $user ) ) { |
| 273 | return $user_capabilities; |
| 274 | } |
| 275 | foreach ( Defaults::get_capabilities_whitelist() as $capability ) { |
| 276 | if ( user_can( $user, $capability ) ) { |
| 277 | $user_capabilities[ $capability ] = true; |
| 278 | } |
| 279 | } |
| 280 | return $user_capabilities; |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Retrieve, expand and sanitize a user. |
| 285 | * Can be directly used in the sync user action handlers. |
| 286 | * |
| 287 | * @access public |
| 288 | * |
| 289 | * @param mixed $user User ID or user object. |
| 290 | * @return \WP_User Expanded and sanitized user object. |
| 291 | */ |
| 292 | public function sanitize_user_and_expand( $user ) { |
| 293 | $user = $this->get_user( $user ); |
| 294 | $user = $this->expand_user( $user ); |
| 295 | return $this->sanitize_user( $user ); |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Expand the user within a hook before it is serialized and sent to the server. |
| 300 | * |
| 301 | * @access public |
| 302 | * |
| 303 | * @param array $args The hook arguments. |
| 304 | * @return array $args The hook arguments. |
| 305 | */ |
| 306 | public function expand_action( $args ) { |
| 307 | // The first argument is always the user. |
| 308 | list( $user ) = $args; |
| 309 | if ( $user ) { |
| 310 | $args[0] = $this->sanitize_user_and_expand( $user ); |
| 311 | return $args; |
| 312 | } |
| 313 | |
| 314 | return false; |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * Expand the user username at login before enqueuing. |
| 319 | * |
| 320 | * @access public |
| 321 | * |
| 322 | * @param array $args The hook arguments. |
| 323 | * @return array $args Expanded hook arguments. |
| 324 | */ |
| 325 | public function expand_login_username( $args ) { |
| 326 | list( $login, $user, $flags ) = $args; |
| 327 | $user = $this->sanitize_user( $user ); |
| 328 | |
| 329 | return array( $login, $user, $flags ); |
| 330 | } |
| 331 | |
| 332 | /** |
| 333 | * Expand the user username at logout before enqueuing. |
| 334 | * |
| 335 | * @access public |
| 336 | * |
| 337 | * @param array $args The hook arguments. |
| 338 | * @return false|array $args Expanded hook arguments or false if we don't have a user. |
| 339 | */ |
| 340 | public function expand_logout_username( $args ) { |
| 341 | list( $user_id ) = $args; |
| 342 | |
| 343 | $user = get_userdata( $user_id ); |
| 344 | $user = $this->sanitize_user( $user ); |
| 345 | |
| 346 | $login = ''; |
| 347 | if ( is_object( $user ) && is_object( $user->data ) ) { |
| 348 | $login = $user->data->user_login; |
| 349 | } |
| 350 | |
| 351 | // If we don't have a user here lets not enqueue anything. |
| 352 | if ( empty( $login ) ) { |
| 353 | return false; |
| 354 | } |
| 355 | |
| 356 | return array( $login, $user ); |
| 357 | } |
| 358 | |
| 359 | /** |
| 360 | * Additional processing is needed for wp_login so we introduce this wrapper handler. |
| 361 | * |
| 362 | * @access public |
| 363 | * |
| 364 | * @param string $user_login The user login. |
| 365 | * @param \WP_User $user The user object. |
| 366 | */ |
| 367 | public function wp_login_handler( $user_login, $user = null ) { |
| 368 | if ( ! $user instanceof \WP_User || empty( $user->ID ) ) { |
| 369 | return; |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * Fires when a user is logged into a site. |
| 374 | * |
| 375 | * @since 1.6.3 |
| 376 | * @since-jetpack 7.2.0 |
| 377 | * |
| 378 | * @param int $user_id The user ID. |
| 379 | * @param \WP_User $user The User Object of the user that currently logged in. |
| 380 | * @param array $params Any Flags that have been added during login. |
| 381 | */ |
| 382 | do_action( 'jetpack_wp_login', $user->ID, $user, $this->get_flags( $user->ID ) ); |
| 383 | $this->clear_flags( $user->ID ); |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * A hook for the authenticate event that checks the password strength. |
| 388 | * |
| 389 | * @access public |
| 390 | * |
| 391 | * @param \WP_Error|\WP_User $user The user object, or an error. |
| 392 | * @param string $username The username. |
| 393 | * @param string $password The password used to authenticate. |
| 394 | * @return \WP_Error|\WP_User the same object that was passed into the function. |
| 395 | */ |
| 396 | public function authenticate_handler( $user, $username, $password ) { |
| 397 | // In case of cookie authentication we don't do anything here. |
| 398 | if ( empty( $password ) ) { |
| 399 | return $user; |
| 400 | } |
| 401 | |
| 402 | // We are only interested in successful authentication events. |
| 403 | if ( is_wp_error( $user ) || ! ( $user instanceof \WP_User ) ) { |
| 404 | return $user; |
| 405 | } |
| 406 | |
| 407 | $password_checker = new Password_Checker( $user->ID ); |
| 408 | |
| 409 | $test_results = $password_checker->test( $password, true ); |
| 410 | |
| 411 | // If the password passes tests, we don't do anything. |
| 412 | if ( empty( $test_results['test_results']['failed'] ) ) { |
| 413 | return $user; |
| 414 | } |
| 415 | |
| 416 | $this->add_flags( |
| 417 | $user->ID, |
| 418 | array( |
| 419 | 'warning' => 'The password failed at least one strength test.', |
| 420 | 'failures' => $test_results['test_results']['failed'], |
| 421 | ) |
| 422 | ); |
| 423 | |
| 424 | return $user; |
| 425 | } |
| 426 | |
| 427 | /** |
| 428 | * Handler for after the user is deleted. |
| 429 | * |
| 430 | * @access public |
| 431 | * |
| 432 | * @param int $deleted_user_id ID of the deleted user. |
| 433 | * @param int $reassigned_user_id ID of the user the deleted user's posts are reassigned to (if any). |
| 434 | */ |
| 435 | public function deleted_user_handler( $deleted_user_id, $reassigned_user_id = '' ) { |
| 436 | $is_multisite = is_multisite(); |
| 437 | /** |
| 438 | * Fires when a user is deleted on a site |
| 439 | * |
| 440 | * @since 1.6.3 |
| 441 | * @since-jetpack 5.4.0 |
| 442 | * |
| 443 | * @param int $deleted_user_id - ID of the deleted user. |
| 444 | * @param int $reassigned_user_id - ID of the user the deleted user's posts are reassigned to (if any). |
| 445 | * @param bool $is_multisite - Whether this site is a multisite installation. |
| 446 | */ |
| 447 | do_action( 'jetpack_deleted_user', $deleted_user_id, $reassigned_user_id, $is_multisite ); |
| 448 | } |
| 449 | |
| 450 | /** |
| 451 | * Handler for user registration. |
| 452 | * |
| 453 | * @access public |
| 454 | * |
| 455 | * @param int $user_id ID of the deleted user. |
| 456 | */ |
| 457 | public function user_register_handler( $user_id ) { |
| 458 | // Ensure we only sync users who are members of the current blog. |
| 459 | if ( ! is_user_member_of_blog( $user_id, get_current_blog_id() ) ) { |
| 460 | return; |
| 461 | } |
| 462 | |
| 463 | if ( Jetpack_Constants::is_true( 'JETPACK_INVITE_ACCEPTED' ) ) { |
| 464 | $this->add_flags( $user_id, array( 'invitation_accepted' => true ) ); |
| 465 | } |
| 466 | /** |
| 467 | * Fires when a new user is registered on a site |
| 468 | * |
| 469 | * @since 1.6.3 |
| 470 | * @since-jetpack 4.9.0 |
| 471 | * |
| 472 | * @param object The WP_User object |
| 473 | */ |
| 474 | do_action( 'jetpack_sync_register_user', $user_id, $this->get_flags( $user_id ) ); |
| 475 | $this->clear_flags( $user_id ); |
| 476 | } |
| 477 | |
| 478 | /** |
| 479 | * Handler for user addition to the current blog. |
| 480 | * |
| 481 | * @access public |
| 482 | * |
| 483 | * @param int $user_id ID of the user. |
| 484 | */ |
| 485 | public function add_user_to_blog_handler( $user_id ) { |
| 486 | // Ensure we only sync users who are members of the current blog. |
| 487 | if ( ! is_user_member_of_blog( $user_id, get_current_blog_id() ) ) { |
| 488 | return; |
| 489 | } |
| 490 | |
| 491 | if ( Jetpack_Constants::is_true( 'JETPACK_INVITE_ACCEPTED' ) ) { |
| 492 | $this->add_flags( $user_id, array( 'invitation_accepted' => true ) ); |
| 493 | } |
| 494 | |
| 495 | /** |
| 496 | * Fires when a user is added on a site |
| 497 | * |
| 498 | * @since 1.6.3 |
| 499 | * @since-jetpack 4.9.0 |
| 500 | * |
| 501 | * @param object The WP_User object |
| 502 | */ |
| 503 | do_action( 'jetpack_sync_add_user', $user_id, $this->get_flags( $user_id ) ); |
| 504 | $this->clear_flags( $user_id ); |
| 505 | } |
| 506 | |
| 507 | /** |
| 508 | * Handler for user save. |
| 509 | * |
| 510 | * @access public |
| 511 | * |
| 512 | * @param int $user_id ID of the user. |
| 513 | * @param \WP_User $old_user_data User object before the changes. |
| 514 | */ |
| 515 | public function save_user_handler( $user_id, $old_user_data = null ) { |
| 516 | // Ensure we only sync users who are members of the current blog. |
| 517 | if ( ! is_user_member_of_blog( $user_id, get_current_blog_id() ) ) { |
| 518 | return; |
| 519 | } |
| 520 | |
| 521 | $user = get_user_by( 'id', $user_id ); |
| 522 | |
| 523 | // Older versions of WP don't pass the old_user_data in ->data. |
| 524 | if ( isset( $old_user_data->data ) ) { |
| 525 | $old_user = $old_user_data->data; |
| 526 | } else { |
| 527 | $old_user = $old_user_data; |
| 528 | } |
| 529 | |
| 530 | if ( ! is_object( $old_user ) ) { |
| 531 | return; |
| 532 | } |
| 533 | |
| 534 | $old_user_array = get_object_vars( $old_user ); |
| 535 | |
| 536 | foreach ( $old_user_array as $user_field => $field_value ) { |
| 537 | if ( false === $user->has_prop( $user_field ) ) { |
| 538 | continue; |
| 539 | } |
| 540 | if ( 'ID' === $user_field ) { |
| 541 | continue; |
| 542 | } |
| 543 | if ( $user->$user_field !== $field_value ) { |
| 544 | if ( 'user_email' === $user_field ) { |
| 545 | /** |
| 546 | * The '_new_email' user meta is deleted right after the call to wp_update_user |
| 547 | * that got us to this point so if it's still set then this was a user confirming |
| 548 | * their new email address. |
| 549 | */ |
| 550 | if ( 1 === (int) get_user_meta( $user->ID, '_new_email', true ) ) { |
| 551 | $this->flags[ $user_id ]['email_changed'] = true; |
| 552 | } |
| 553 | continue; |
| 554 | } |
| 555 | |
| 556 | $flag = $this->user_fields_to_flags_mapping[ $user_field ] ?? 'unknown_field_changed'; |
| 557 | |
| 558 | $this->flags[ $user_id ][ $flag ] = true; |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | if ( isset( $this->flags[ $user_id ] ) ) { |
| 563 | |
| 564 | /** |
| 565 | * Fires when the client needs to sync an updated user. |
| 566 | * |
| 567 | * @since 1.6.3 |
| 568 | * @since-jetpack 4.2.0 |
| 569 | * |
| 570 | * @param \WP_User The WP_User object |
| 571 | * @param array State - New since 5.8.0 |
| 572 | */ |
| 573 | do_action( 'jetpack_sync_save_user', $user_id, $this->get_flags( $user_id ) ); |
| 574 | $this->clear_flags( $user_id ); |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | /** |
| 579 | * Handler for add user role change. |
| 580 | * |
| 581 | * @access public |
| 582 | * |
| 583 | * @param int $user_id ID of the user. |
| 584 | * @param string $role New user role. |
| 585 | */ |
| 586 | public function add_user_role_handler( $user_id, $role ) { |
| 587 | $this->add_flags( |
| 588 | $user_id, |
| 589 | array( |
| 590 | 'role_added' => $role, |
| 591 | ) |
| 592 | ); |
| 593 | |
| 594 | $this->save_user_role_handler( $user_id, $role ); |
| 595 | } |
| 596 | |
| 597 | /** |
| 598 | * Handler for remove user role change. |
| 599 | * |
| 600 | * @access public |
| 601 | * |
| 602 | * @param int $user_id ID of the user. |
| 603 | * @param string $role Removed user role. |
| 604 | */ |
| 605 | public function remove_user_role_handler( $user_id, $role ) { |
| 606 | $this->add_flags( |
| 607 | $user_id, |
| 608 | array( |
| 609 | 'role_removed' => $role, |
| 610 | ) |
| 611 | ); |
| 612 | |
| 613 | $this->save_user_role_handler( $user_id, $role ); |
| 614 | } |
| 615 | |
| 616 | /** |
| 617 | * Handler for user role change. |
| 618 | * |
| 619 | * @access public |
| 620 | * |
| 621 | * @param int $user_id ID of the user. |
| 622 | * @param string $role New user role. |
| 623 | * @param array $old_roles Previous user roles. |
| 624 | */ |
| 625 | public function save_user_role_handler( $user_id, $role, $old_roles = null ) { |
| 626 | $this->add_flags( |
| 627 | $user_id, |
| 628 | array( |
| 629 | 'role_changed' => true, |
| 630 | 'previous_role' => $old_roles, |
| 631 | ) |
| 632 | ); |
| 633 | |
| 634 | // The jetpack_sync_register_user payload is identical to jetpack_sync_save_user, don't send both. |
| 635 | if ( $this->is_function_in_backtrace( |
| 636 | array_merge( $this->get_create_user_functions(), $this->get_add_user_to_blog_functions() ) |
| 637 | ) ) { |
| 638 | return; |
| 639 | } |
| 640 | /** |
| 641 | * This action is documented already in this file |
| 642 | */ |
| 643 | do_action( 'jetpack_sync_save_user', $user_id, $this->get_flags( $user_id ) ); |
| 644 | $this->clear_flags( $user_id ); |
| 645 | } |
| 646 | |
| 647 | /** |
| 648 | * Retrieve current flags for a particular user. |
| 649 | * |
| 650 | * @access public |
| 651 | * |
| 652 | * @param int $user_id ID of the user. |
| 653 | * @return array Current flags of the user. |
| 654 | */ |
| 655 | public function get_flags( $user_id ) { |
| 656 | if ( isset( $this->flags[ $user_id ] ) ) { |
| 657 | return $this->flags[ $user_id ]; |
| 658 | } |
| 659 | return array(); |
| 660 | } |
| 661 | |
| 662 | /** |
| 663 | * Clear the flags of a particular user. |
| 664 | * |
| 665 | * @access public |
| 666 | * |
| 667 | * @param int $user_id ID of the user. |
| 668 | */ |
| 669 | public function clear_flags( $user_id ) { |
| 670 | if ( isset( $this->flags[ $user_id ] ) ) { |
| 671 | unset( $this->flags[ $user_id ] ); |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | /** |
| 676 | * Add flags to a particular user. |
| 677 | * |
| 678 | * @access public |
| 679 | * |
| 680 | * @param int $user_id ID of the user. |
| 681 | * @param array $flags New flags to add for the user. |
| 682 | */ |
| 683 | public function add_flags( $user_id, $flags ) { |
| 684 | $this->flags[ $user_id ] = wp_parse_args( $flags, $this->get_flags( $user_id ) ); |
| 685 | } |
| 686 | |
| 687 | /** |
| 688 | * Save the user meta, if we're interested in it. |
| 689 | * Also uses the time to add flags for the user. |
| 690 | * |
| 691 | * @access public |
| 692 | * |
| 693 | * @param int $meta_id ID of the meta object. |
| 694 | * @param int $user_id ID of the user. |
| 695 | * @param string $meta_key Meta key. |
| 696 | * @param mixed $value Meta value. |
| 697 | */ |
| 698 | public function maybe_save_user_meta( $meta_id, $user_id, $meta_key, $value ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 699 | if ( 'locale' === $meta_key ) { |
| 700 | $this->add_flags( $user_id, array( 'locale_changed' => true ) ); |
| 701 | } |
| 702 | |
| 703 | $user = get_user_by( 'id', $user_id ); |
| 704 | if ( isset( $user->cap_key ) && $meta_key === $user->cap_key ) { |
| 705 | $this->add_flags( $user_id, array( 'capabilities_changed' => true ) ); |
| 706 | } |
| 707 | |
| 708 | if ( $this->is_function_in_backtrace( |
| 709 | array_merge( $this->get_create_user_functions(), $this->get_add_user_to_blog_functions(), $this->get_delete_user_functions() ) |
| 710 | ) ) { |
| 711 | return; |
| 712 | } |
| 713 | |
| 714 | if ( isset( $this->flags[ $user_id ] ) ) { |
| 715 | /** |
| 716 | * This action is documented already in this file |
| 717 | */ |
| 718 | do_action( 'jetpack_sync_save_user', $user_id, $this->get_flags( $user_id ) ); |
| 719 | } |
| 720 | } |
| 721 | |
| 722 | /** |
| 723 | * Enqueue the users actions for full sync. |
| 724 | * |
| 725 | * @access public |
| 726 | * |
| 727 | * @param array $config Full sync configuration for this sync module. |
| 728 | * @param int $max_items_to_enqueue Maximum number of items to enqueue. |
| 729 | * @param boolean $state True if full sync has finished enqueueing this module, false otherwise. |
| 730 | * @return array Number of actions enqueued, and next module state. |
| 731 | */ |
| 732 | public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) { |
| 733 | global $wpdb; |
| 734 | |
| 735 | return $this->enqueue_all_ids_as_action( 'jetpack_full_sync_users', $wpdb->usermeta, 'user_id', $this->get_where_sql( $config ), $max_items_to_enqueue, $state ); |
| 736 | } |
| 737 | |
| 738 | /** |
| 739 | * Retrieve an estimated number of actions that will be enqueued. |
| 740 | * |
| 741 | * @access public |
| 742 | * |
| 743 | * @todo Refactor to prepare the SQL query before executing it. |
| 744 | * |
| 745 | * @param array $config Full sync configuration for this sync module. |
| 746 | * @return int Number of items yet to be enqueued. |
| 747 | */ |
| 748 | public function estimate_full_sync_actions( $config ) { |
| 749 | global $wpdb; |
| 750 | |
| 751 | $query = "SELECT count(*) FROM $wpdb->usermeta"; |
| 752 | |
| 753 | $where_sql = $this->get_where_sql( $config ); |
| 754 | if ( $where_sql ) { |
| 755 | $query .= ' WHERE ' . $where_sql; |
| 756 | } |
| 757 | |
| 758 | // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared,WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching |
| 759 | $count = (int) $wpdb->get_var( $query ); |
| 760 | |
| 761 | return (int) ceil( $count / self::ARRAY_CHUNK_SIZE ); |
| 762 | } |
| 763 | |
| 764 | /** |
| 765 | * Retrieve the WHERE SQL clause based on the module config. |
| 766 | * |
| 767 | * @access public |
| 768 | * |
| 769 | * @param array $config Full sync configuration for this sync module. |
| 770 | * @return string WHERE SQL clause, or `null` if no comments are specified in the module config. |
| 771 | */ |
| 772 | public function get_where_sql( $config ) { |
| 773 | global $wpdb; |
| 774 | |
| 775 | $query = "meta_key = '{$wpdb->prefix}user_level' AND meta_value > 0"; |
| 776 | |
| 777 | // The $config variable is a list of user IDs to sync. |
| 778 | if ( is_array( $config ) && ! empty( $config ) ) { |
| 779 | $query .= ' AND user_id IN (' . implode( ',', array_map( 'intval', $config ) ) . ')'; |
| 780 | } |
| 781 | |
| 782 | return $query; |
| 783 | } |
| 784 | |
| 785 | /** |
| 786 | * Retrieve the actions that will be sent for this module during a full sync. |
| 787 | * |
| 788 | * @access public |
| 789 | * |
| 790 | * @return array Full sync actions of this module. |
| 791 | */ |
| 792 | public function get_full_sync_actions() { |
| 793 | return array( 'jetpack_full_sync_users' ); |
| 794 | } |
| 795 | |
| 796 | /** |
| 797 | * Retrieve initial sync user config. |
| 798 | * |
| 799 | * @access public |
| 800 | * |
| 801 | * @todo Refactor the SQL query to call $wpdb->prepare() before execution. |
| 802 | * |
| 803 | * @return array|boolean IDs of users to initially sync, or false if tbe number of users exceed the maximum. |
| 804 | */ |
| 805 | public function get_initial_sync_user_config() { |
| 806 | global $wpdb; |
| 807 | |
| 808 | // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 809 | $user_ids = $wpdb->get_col( "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '{$wpdb->prefix}user_level' AND meta_value > 0 LIMIT " . ( self::MAX_INITIAL_SYNC_USERS + 1 ) ); |
| 810 | $user_ids_count = is_countable( $user_ids ) ? count( $user_ids ) : 0; |
| 811 | |
| 812 | if ( $user_ids_count <= self::MAX_INITIAL_SYNC_USERS ) { |
| 813 | return $user_ids; |
| 814 | } else { |
| 815 | return false; |
| 816 | } |
| 817 | } |
| 818 | |
| 819 | /** |
| 820 | * Expand the users within a hook before they are serialized and sent to the server. |
| 821 | * |
| 822 | * @access public |
| 823 | * |
| 824 | * @param array $args The hook arguments. |
| 825 | * @return array $args The hook arguments. |
| 826 | */ |
| 827 | public function expand_users( $args ) { |
| 828 | list( $user_ids, $previous_end ) = $args; |
| 829 | |
| 830 | return array( |
| 831 | 'users' => array_map( |
| 832 | array( $this, 'sanitize_user_and_expand' ), |
| 833 | get_users( |
| 834 | array( |
| 835 | 'include' => $user_ids, |
| 836 | 'orderby' => 'ID', |
| 837 | 'order' => 'DESC', |
| 838 | ) |
| 839 | ) |
| 840 | ), |
| 841 | 'previous_end' => $previous_end, |
| 842 | ); |
| 843 | } |
| 844 | |
| 845 | /** |
| 846 | * Handler for user removal from a particular blog. |
| 847 | * |
| 848 | * @access public |
| 849 | * |
| 850 | * @param int $user_id ID of the user. |
| 851 | * @param int $blog_id ID of the blog. |
| 852 | * @param int $reassign ID of the user to whom to reassign posts. |
| 853 | */ |
| 854 | public function remove_user_from_blog_handler( $user_id, $blog_id, $reassign = 0 ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 855 | // User is removed on add, see https://github.com/WordPress/WordPress/blob/0401cee8b36df3def8e807dd766adc02b359dfaf/wp-includes/ms-functions.php#L2114. |
| 856 | if ( $this->is_add_new_user_to_blog() ) { |
| 857 | return; |
| 858 | } |
| 859 | |
| 860 | $reassigned_user_id = $reassign; |
| 861 | |
| 862 | // Note that we are in the context of the blog the user is removed from, see https://github.com/WordPress/WordPress/blob/473e1ba73bc5c18c72d7f288447503713d518790/wp-includes/ms-functions.php#L233. |
| 863 | /** |
| 864 | * Fires when a user is removed from a blog on a multisite installation |
| 865 | * |
| 866 | * @since 1.6.3 |
| 867 | * @since-jetpack 5.4.0 |
| 868 | * |
| 869 | * @param int $user_id - ID of the removed user |
| 870 | * @param int $reassigned_user_id - ID of the user the removed user's posts are reassigned to (if any). |
| 871 | */ |
| 872 | do_action( 'jetpack_removed_user_from_blog', $user_id, $reassigned_user_id ); |
| 873 | } |
| 874 | |
| 875 | /** |
| 876 | * Whether we're adding a new user to a blog in this request. |
| 877 | * |
| 878 | * @access protected |
| 879 | * |
| 880 | * @return boolean |
| 881 | */ |
| 882 | protected function is_add_new_user_to_blog() { |
| 883 | return $this->is_function_in_backtrace( 'add_new_user_to_blog' ); |
| 884 | } |
| 885 | |
| 886 | /** |
| 887 | * Get the function names that indicate a user is being created. |
| 888 | * |
| 889 | * @access protected |
| 890 | * |
| 891 | * @return array |
| 892 | */ |
| 893 | protected function get_create_user_functions() { |
| 894 | return array( |
| 895 | 'add_new_user_to_blog', // Used to suppress jetpack_sync_save_user in save_user_cap_handler when user registered on multi site. |
| 896 | 'wp_create_user', // Used to suppress jetpack_sync_save_user in save_user_role_handler when user registered on multi site. |
| 897 | 'wp_insert_user', // Used to suppress jetpack_sync_save_user in save_user_cap_handler and save_user_role_handler when user registered on single site. |
| 898 | ); |
| 899 | } |
| 900 | |
| 901 | /** |
| 902 | * Get the function names that indicate a user is being added to a blog. |
| 903 | * |
| 904 | * @access protected |
| 905 | * |
| 906 | * @return array |
| 907 | */ |
| 908 | protected function get_add_user_to_blog_functions() { |
| 909 | return array( 'add_user_to_blog' ); |
| 910 | } |
| 911 | |
| 912 | /** |
| 913 | * Get the function names that indicate a user is being deleted. |
| 914 | * |
| 915 | * @access protected |
| 916 | * |
| 917 | * @return array |
| 918 | */ |
| 919 | protected function get_delete_user_functions() { |
| 920 | return array( 'wp_delete_user', 'remove_user_from_blog' ); |
| 921 | } |
| 922 | |
| 923 | /** |
| 924 | * Checks if one or more function names is in debug_backtrace. |
| 925 | * |
| 926 | * @access protected |
| 927 | * |
| 928 | * @param array|string $names Mixed string name of function or array of string names of functions. |
| 929 | * @return bool |
| 930 | */ |
| 931 | protected function is_function_in_backtrace( $names ) { |
| 932 | $backtrace = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_debug_backtrace |
| 933 | if ( ! is_array( $names ) ) { |
| 934 | $names = array( $names ); |
| 935 | } |
| 936 | $names_as_keys = array_flip( $names ); |
| 937 | |
| 938 | $backtrace_functions = array_column( $backtrace, 'function' ); |
| 939 | $backtrace_functions_as_keys = array_flip( $backtrace_functions ); |
| 940 | $intersection = array_intersect_key( $backtrace_functions_as_keys, $names_as_keys ); |
| 941 | return ! empty( $intersection ); |
| 942 | } |
| 943 | } |