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1 <?php 2 /** 3 * Core User API 4 * 5 * @package WordPress 6 * @subpackage Users 7 */ 8 9 /** 10 * Authenticates and logs a user in with 'remember' capability. 11 * 12 * The credentials is an array that has 'user_login', 'user_password', and 13 * 'remember' indices. If the credentials is not given, then the log in form 14 * will be assumed and used if set. 15 * 16 * The various authentication cookies will be set by this function and will be 17 * set for a longer period depending on if the 'remember' credential is set to 18 * true. 19 * 20 * Note: wp_signon() doesn't handle setting the current user. This means that if the 21 * function is called before the {@see 'init'} hook is fired, is_user_logged_in() will 22 * evaluate as false until that point. If is_user_logged_in() is needed in conjunction 23 * with wp_signon(), wp_set_current_user() should be called explicitly. 24 * 25 * @since 2.5.0 26 * 27 * @global string $auth_secure_cookie 28 * 29 * @param array $credentials Optional. User info in order to sign on. 30 * @param string|bool $secure_cookie Optional. Whether to use secure cookie. 31 * @return WP_User|WP_Error WP_User on success, WP_Error on failure. 32 */ 33 function wp_signon( $credentials = array(), $secure_cookie = '' ) { 34 if ( empty( $credentials ) ) { 35 $credentials = array(); // Back-compat for plugins passing an empty string. 36 37 if ( ! empty( $_POST['log'] ) ) { 38 $credentials['user_login'] = wp_unslash( $_POST['log'] ); 39 } 40 if ( ! empty( $_POST['pwd'] ) ) { 41 $credentials['user_password'] = $_POST['pwd']; 42 } 43 if ( ! empty( $_POST['rememberme'] ) ) { 44 $credentials['remember'] = $_POST['rememberme']; 45 } 46 } 47 48 if ( ! empty( $credentials['remember'] ) ) { 49 $credentials['remember'] = true; 50 } else { 51 $credentials['remember'] = false; 52 } 53 54 /** 55 * Fires before the user is authenticated. 56 * 57 * The variables passed to the callbacks are passed by reference, 58 * and can be modified by callback functions. 59 * 60 * @since 1.5.1 61 * 62 * @todo Decide whether to deprecate the wp_authenticate action. 63 * 64 * @param string $user_login Username (passed by reference). 65 * @param string $user_password User password (passed by reference). 66 */ 67 do_action_ref_array( 'wp_authenticate', array( &$credentials['user_login'], &$credentials['user_password'] ) ); 68 69 if ( '' === $secure_cookie ) { 70 $secure_cookie = is_ssl(); 71 } 72 73 /** 74 * Filters whether to use a secure sign-on cookie. 75 * 76 * @since 3.1.0 77 * 78 * @param bool $secure_cookie Whether to use a secure sign-on cookie. 79 * @param array $credentials { 80 * Array of entered sign-on data. 81 * 82 * @type string $user_login Username. 83 * @type string $user_password Password entered. 84 * @type bool $remember Whether to 'remember' the user. Increases the time 85 * that the cookie will be kept. Default false. 86 * } 87 */ 88 $secure_cookie = apply_filters( 'secure_signon_cookie', $secure_cookie, $credentials ); 89 90 global $auth_secure_cookie; // XXX ugly hack to pass this to wp_authenticate_cookie 91 $auth_secure_cookie = $secure_cookie; 92 93 add_filter( 'authenticate', 'wp_authenticate_cookie', 30, 3 ); 94 95 $user = wp_authenticate( $credentials['user_login'], $credentials['user_password'] ); 96 97 if ( is_wp_error( $user ) ) { 98 return $user; 99 } 100 101 wp_set_auth_cookie( $user->ID, $credentials['remember'], $secure_cookie ); 102 /** 103 * Fires after the user has successfully logged in. 104 * 105 * @since 1.5.0 106 * 107 * @param string $user_login Username. 108 * @param WP_User $user WP_User object of the logged-in user. 109 */ 110 do_action( 'wp_login', $user->user_login, $user ); 111 return $user; 112 } 113 114 /** 115 * Authenticate a user, confirming the username and password are valid. 116 * 117 * @since 2.8.0 118 * 119 * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null. 120 * @param string $username Username for authentication. 121 * @param string $password Password for authentication. 122 * @return WP_User|WP_Error WP_User on success, WP_Error on failure. 123 */ 124 function wp_authenticate_username_password( $user, $username, $password ) { 125 if ( $user instanceof WP_User ) { 126 return $user; 127 } 128 129 if ( empty( $username ) || empty( $password ) ) { 130 if ( is_wp_error( $user ) ) { 131 return $user; 132 } 133 134 $error = new WP_Error(); 135 136 if ( empty( $username ) ) { 137 $error->add( 'empty_username', __( '<strong>ERROR</strong>: The username field is empty.' ) ); 138 } 139 140 if ( empty( $password ) ) { 141 $error->add( 'empty_password', __( '<strong>ERROR</strong>: The password field is empty.' ) ); 142 } 143 144 return $error; 145 } 146 147 $user = get_user_by( 'login', $username ); 148 149 if ( ! $user ) { 150 return new WP_Error( 151 'invalid_username', 152 __( 'Unknown username. Check again or try your email address.' ) 153 ); 154 } 155 156 /** 157 * Filters whether the given user can be authenticated with the provided $password. 158 * 159 * @since 2.5.0 160 * 161 * @param WP_User|WP_Error $user WP_User or WP_Error object if a previous 162 * callback failed authentication. 163 * @param string $password Password to check against the user. 164 */ 165 $user = apply_filters( 'wp_authenticate_user', $user, $password ); 166 if ( is_wp_error( $user ) ) { 167 return $user; 168 } 169 170 if ( ! wp_check_password( $password, $user->user_pass, $user->ID ) ) { 171 return new WP_Error( 172 'incorrect_password', 173 sprintf( 174 /* translators: %s: User name. */ 175 __( '<strong>ERROR</strong>: The password you entered for the username %s is incorrect.' ), 176 '<strong>' . $username . '</strong>' 177 ) . 178 ' <a href="' . wp_lostpassword_url() . '">' . 179 __( 'Lost your password?' ) . 180 '</a>' 181 ); 182 } 183 184 return $user; 185 } 186 187 /** 188 * Authenticates a user using the email and password. 189 * 190 * @since 4.5.0 191 * 192 * @param WP_User|WP_Error|null $user WP_User or WP_Error object if a previous 193 * callback failed authentication. 194 * @param string $email Email address for authentication. 195 * @param string $password Password for authentication. 196 * @return WP_User|WP_Error WP_User on success, WP_Error on failure. 197 */ 198 function wp_authenticate_email_password( $user, $email, $password ) { 199 if ( $user instanceof WP_User ) { 200 return $user; 201 } 202 203 if ( empty( $email ) || empty( $password ) ) { 204 if ( is_wp_error( $user ) ) { 205 return $user; 206 } 207 208 $error = new WP_Error(); 209 210 if ( empty( $email ) ) { 211 $error->add( 'empty_username', __( '<strong>ERROR</strong>: The email field is empty.' ) ); // Uses 'empty_username' for back-compat with wp_signon() 212 } 213 214 if ( empty( $password ) ) { 215 $error->add( 'empty_password', __( '<strong>ERROR</strong>: The password field is empty.' ) ); 216 } 217 218 return $error; 219 } 220 221 if ( ! is_email( $email ) ) { 222 return $user; 223 } 224 225 $user = get_user_by( 'email', $email ); 226 227 if ( ! $user ) { 228 return new WP_Error( 229 'invalid_email', 230 __( 'Unknown email address. Check again or try your username.' ) 231 ); 232 } 233 234 /** This filter is documented in wp-includes/user.php */ 235 $user = apply_filters( 'wp_authenticate_user', $user, $password ); 236 237 if ( is_wp_error( $user ) ) { 238 return $user; 239 } 240 241 if ( ! wp_check_password( $password, $user->user_pass, $user->ID ) ) { 242 return new WP_Error( 243 'incorrect_password', 244 sprintf( 245 /* translators: %s: Email address. */ 246 __( '<strong>ERROR</strong>: The password you entered for the email address %s is incorrect.' ), 247 '<strong>' . $email . '</strong>' 248 ) . 249 ' <a href="' . wp_lostpassword_url() . '">' . 250 __( 'Lost your password?' ) . 251 '</a>' 252 ); 253 } 254 255 return $user; 256 } 257 258 /** 259 * Authenticate the user using the WordPress auth cookie. 260 * 261 * @since 2.8.0 262 * 263 * @global string $auth_secure_cookie 264 * 265 * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null. 266 * @param string $username Username. If not empty, cancels the cookie authentication. 267 * @param string $password Password. If not empty, cancels the cookie authentication. 268 * @return WP_User|WP_Error WP_User on success, WP_Error on failure. 269 */ 270 function wp_authenticate_cookie( $user, $username, $password ) { 271 if ( $user instanceof WP_User ) { 272 return $user; 273 } 274 275 if ( empty( $username ) && empty( $password ) ) { 276 $user_id = wp_validate_auth_cookie(); 277 if ( $user_id ) { 278 return new WP_User( $user_id ); 279 } 280 281 global $auth_secure_cookie; 282 283 if ( $auth_secure_cookie ) { 284 $auth_cookie = SECURE_AUTH_COOKIE; 285 } else { 286 $auth_cookie = AUTH_COOKIE; 287 } 288 289 if ( ! empty( $_COOKIE[ $auth_cookie ] ) ) { 290 return new WP_Error( 'expired_session', __( 'Please log in again.' ) ); 291 } 292 293 // If the cookie is not set, be silent. 294 } 295 296 return $user; 297 } 298 299 /** 300 * For Multisite blogs, check if the authenticated user has been marked as a 301 * spammer, or if the user's primary blog has been marked as spam. 302 * 303 * @since 3.7.0 304 * 305 * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null. 306 * @return WP_User|WP_Error WP_User on success, WP_Error if the user is considered a spammer. 307 */ 308 function wp_authenticate_spam_check( $user ) { 309 if ( $user instanceof WP_User && is_multisite() ) { 310 /** 311 * Filters whether the user has been marked as a spammer. 312 * 313 * @since 3.7.0 314 * 315 * @param bool $spammed Whether the user is considered a spammer. 316 * @param WP_User $user User to check against. 317 */ 318 $spammed = apply_filters( 'check_is_user_spammed', is_user_spammy( $user ), $user ); 319 320 if ( $spammed ) { 321 return new WP_Error( 'spammer_account', __( '<strong>ERROR</strong>: Your account has been marked as a spammer.' ) ); 322 } 323 } 324 return $user; 325 } 326 327 /** 328 * Validates the logged-in cookie. 329 * 330 * Checks the logged-in cookie if the previous auth cookie could not be 331 * validated and parsed. 332 * 333 * This is a callback for the {@see 'determine_current_user'} filter, rather than API. 334 * 335 * @since 3.9.0 336 * 337 * @param int|bool $user_id The user ID (or false) as received from 338 * the `determine_current_user` filter. 339 * @return int|false User ID if validated, false otherwise. If a user ID from 340 * an earlier filter callback is received, that value is returned. 341 */ 342 function wp_validate_logged_in_cookie( $user_id ) { 343 if ( $user_id ) { 344 return $user_id; 345 } 346 347 if ( is_blog_admin() || is_network_admin() || empty( $_COOKIE[ LOGGED_IN_COOKIE ] ) ) { 348 return false; 349 } 350 351 return wp_validate_auth_cookie( $_COOKIE[ LOGGED_IN_COOKIE ], 'logged_in' ); 352 } 353 354 /** 355 * Number of posts user has written. 356 * 357 * @since 3.0.0 358 * @since 4.1.0 Added `$post_type` argument. 359 * @since 4.3.0 Added `$public_only` argument. Added the ability to pass an array 360 * of post types to `$post_type`. 361 * 362 * @global wpdb $wpdb WordPress database abstraction object. 363 * 364 * @param int $userid User ID. 365 * @param array|string $post_type Optional. Single post type or array of post types to count the number of posts for. Default 'post'. 366 * @param bool $public_only Optional. Whether to only return counts for public posts. Default false. 367 * @return string Number of posts the user has written in this post type. 368 */ 369 function count_user_posts( $userid, $post_type = 'post', $public_only = false ) { 370 global $wpdb; 371 372 $where = get_posts_by_author_sql( $post_type, true, $userid, $public_only ); 373 374 $count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts $where" ); 375 376 /** 377 * Filters the number of posts a user has written. 378 * 379 * @since 2.7.0 380 * @since 4.1.0 Added `$post_type` argument. 381 * @since 4.3.1 Added `$public_only` argument. 382 * 383 * @param int $count The user's post count. 384 * @param int $userid User ID. 385 * @param string|array $post_type Single post type or array of post types to count the number of posts for. 386 * @param bool $public_only Whether to limit counted posts to public posts. 387 */ 388 return apply_filters( 'get_usernumposts', $count, $userid, $post_type, $public_only ); 389 } 390 391 /** 392 * Number of posts written by a list of users. 393 * 394 * @since 3.0.0 395 * 396 * @global wpdb $wpdb WordPress database abstraction object. 397 * 398 * @param int[] $users Array of user IDs. 399 * @param string|string[] $post_type Optional. Single post type or array of post types to check. Defaults to 'post'. 400 * @param bool $public_only Optional. Only return counts for public posts. Defaults to false. 401 * @return string[] Amount of posts each user has written, as strings, keyed by user ID. 402 */ 403 function count_many_users_posts( $users, $post_type = 'post', $public_only = false ) { 404 global $wpdb; 405 406 $count = array(); 407 if ( empty( $users ) || ! is_array( $users ) ) { 408 return $count; 409 } 410 411 $userlist = implode( ',', array_map( 'absint', $users ) ); 412 $where = get_posts_by_author_sql( $post_type, true, null, $public_only ); 413 414 $result = $wpdb->get_results( "SELECT post_author, COUNT(*) FROM $wpdb->posts $where AND post_author IN ($userlist) GROUP BY post_author", ARRAY_N ); 415 foreach ( $result as $row ) { 416 $count[ $row[0] ] = $row[1]; 417 } 418 419 foreach ( $users as $id ) { 420 if ( ! isset( $count[ $id ] ) ) { 421 $count[ $id ] = 0; 422 } 423 } 424 425 return $count; 426 } 427 428 // 429 // User option functions 430 // 431 432 /** 433 * Get the current user's ID 434 * 435 * @since MU (3.0.0) 436 * 437 * @return int The current user's ID, or 0 if no user is logged in. 438 */ 439 function get_current_user_id() { 440 if ( ! function_exists( 'wp_get_current_user' ) ) { 441 return 0; 442 } 443 $user = wp_get_current_user(); 444 return ( isset( $user->ID ) ? (int) $user->ID : 0 ); 445 } 446 447 /** 448 * Retrieve user option that can be either per Site or per Network. 449 * 450 * If the user ID is not given, then the current user will be used instead. If 451 * the user ID is given, then the user data will be retrieved. The filter for 452 * the result, will also pass the original option name and finally the user data 453 * object as the third parameter. 454 * 455 * The option will first check for the per site name and then the per Network name. 456 * 457 * @since 2.0.0 458 * 459 * @global wpdb $wpdb WordPress database abstraction object. 460 * 461 * @param string $option User option name. 462 * @param int $user Optional. User ID. 463 * @param string $deprecated Use get_option() to check for an option in the options table. 464 * @return mixed User option value on success, false on failure. 465 */ 466 function get_user_option( $option, $user = 0, $deprecated = '' ) { 467 global $wpdb; 468 469 if ( ! empty( $deprecated ) ) { 470 _deprecated_argument( __FUNCTION__, '3.0.0' ); 471 } 472 473 if ( empty( $user ) ) { 474 $user = get_current_user_id(); 475 } 476 477 $user = get_userdata( $user ); 478 if ( ! $user ) { 479 return false; 480 } 481 482 $prefix = $wpdb->get_blog_prefix(); 483 if ( $user->has_prop( $prefix . $option ) ) { // Blog specific 484 $result = $user->get( $prefix . $option ); 485 } elseif ( $user->has_prop( $option ) ) { // User specific and cross-blog 486 $result = $user->get( $option ); 487 } else { 488 $result = false; 489 } 490 491 /** 492 * Filters a specific user option value. 493 * 494 * The dynamic portion of the hook name, `$option`, refers to the user option name. 495 * 496 * @since 2.5.0 497 * 498 * @param mixed $result Value for the user's option. 499 * @param string $option Name of the option being retrieved. 500 * @param WP_User $user WP_User object of the user whose option is being retrieved. 501 */ 502 return apply_filters( "get_user_option_{$option}", $result, $option, $user ); 503 } 504 505 /** 506 * Update user option with global blog capability. 507 * 508 * User options are just like user metadata except that they have support for 509 * global blog options. If the 'global' parameter is false, which it is by default 510 * it will prepend the WordPress table prefix to the option name. 511 * 512 * Deletes the user option if $newvalue is empty. 513 * 514 * @since 2.0.0 515 * 516 * @global wpdb $wpdb WordPress database abstraction object. 517 * 518 * @param int $user_id User ID. 519 * @param string $option_name User option name. 520 * @param mixed $newvalue User option value. 521 * @param bool $global Optional. Whether option name is global or blog specific. 522 * Default false (blog specific). 523 * @return int|bool User meta ID if the option didn't exist, true on successful update, 524 * false on failure. 525 */ 526 function update_user_option( $user_id, $option_name, $newvalue, $global = false ) { 527 global $wpdb; 528 529 if ( ! $global ) { 530 $option_name = $wpdb->get_blog_prefix() . $option_name; 531 } 532 533 return update_user_meta( $user_id, $option_name, $newvalue ); 534 } 535 536 /** 537 * Delete user option with global blog capability. 538 * 539 * User options are just like user metadata except that they have support for 540 * global blog options. If the 'global' parameter is false, which it is by default 541 * it will prepend the WordPress table prefix to the option name. 542 * 543 * @since 3.0.0 544 * 545 * @global wpdb $wpdb WordPress database abstraction object. 546 * 547 * @param int $user_id User ID 548 * @param string $option_name User option name. 549 * @param bool $global Optional. Whether option name is global or blog specific. 550 * Default false (blog specific). 551 * @return bool True on success, false on failure. 552 */ 553 function delete_user_option( $user_id, $option_name, $global = false ) { 554 global $wpdb; 555 556 if ( ! $global ) { 557 $option_name = $wpdb->get_blog_prefix() . $option_name; 558 } 559 return delete_user_meta( $user_id, $option_name ); 560 } 561 562 /** 563 * Retrieve list of users matching criteria. 564 * 565 * @since 3.1.0 566 * 567 * @see WP_User_Query 568 * 569 * @param array $args Optional. Arguments to retrieve users. See WP_User_Query::prepare_query(). 570 * for more information on accepted arguments. 571 * @return array List of users. 572 */ 573 function get_users( $args = array() ) { 574 575 $args = wp_parse_args( $args ); 576 $args['count_total'] = false; 577 578 $user_search = new WP_User_Query( $args ); 579 580 return (array) $user_search->get_results(); 581 } 582 583 /** 584 * Get the sites a user belongs to. 585 * 586 * @since 3.0.0 587 * @since 4.7.0 Converted to use `get_sites()`. 588 * 589 * @global wpdb $wpdb WordPress database abstraction object. 590 * 591 * @param int $user_id User ID 592 * @param bool $all Whether to retrieve all sites, or only sites that are not 593 * marked as deleted, archived, or spam. 594 * @return array A list of the user's sites. An empty array if the user doesn't exist 595 * or belongs to no sites. 596 */ 597 function get_blogs_of_user( $user_id, $all = false ) { 598 global $wpdb; 599 600 $user_id = (int) $user_id; 601 602 // Logged out users can't have sites 603 if ( empty( $user_id ) ) { 604 return array(); 605 } 606 607 /** 608 * Filters the list of a user's sites before it is populated. 609 * 610 * Passing a non-null value to the filter will effectively short circuit 611 * get_blogs_of_user(), returning that value instead. 612 * 613 * @since 4.6.0 614 * 615 * @param null|array $sites An array of site objects of which the user is a member. 616 * @param int $user_id User ID. 617 * @param bool $all Whether the returned array should contain all sites, including 618 * those marked 'deleted', 'archived', or 'spam'. Default false. 619 */ 620 $sites = apply_filters( 'pre_get_blogs_of_user', null, $user_id, $all ); 621 622 if ( null !== $sites ) { 623 return $sites; 624 } 625 626 $keys = get_user_meta( $user_id ); 627 if ( empty( $keys ) ) { 628 return array(); 629 } 630 631 if ( ! is_multisite() ) { 632 $site_id = get_current_blog_id(); 633 $sites = array( $site_id => new stdClass ); 634 $sites[ $site_id ]->userblog_id = $site_id; 635 $sites[ $site_id ]->blogname = get_option( 'blogname' ); 636 $sites[ $site_id ]->domain = ''; 637 $sites[ $site_id ]->path = ''; 638 $sites[ $site_id ]->site_id = 1; 639 $sites[ $site_id ]->siteurl = get_option( 'siteurl' ); 640 $sites[ $site_id ]->archived = 0; 641 $sites[ $site_id ]->spam = 0; 642 $sites[ $site_id ]->deleted = 0; 643 return $sites; 644 } 645 646 $site_ids = array(); 647 648 if ( isset( $keys[ $wpdb->base_prefix . 'capabilities' ] ) && defined( 'MULTISITE' ) ) { 649 $site_ids[] = 1; 650 unset( $keys[ $wpdb->base_prefix . 'capabilities' ] ); 651 } 652 653 $keys = array_keys( $keys ); 654 655 foreach ( $keys as $key ) { 656 if ( 'capabilities' !== substr( $key, -12 ) ) { 657 continue; 658 } 659 if ( $wpdb->base_prefix && 0 !== strpos( $key, $wpdb->base_prefix ) ) { 660 continue; 661 } 662 $site_id = str_replace( array( $wpdb->base_prefix, '_capabilities' ), '', $key ); 663 if ( ! is_numeric( $site_id ) ) { 664 continue; 665 } 666 667 $site_ids[] = (int) $site_id; 668 } 669 670 $sites = array(); 671 672 if ( ! empty( $site_ids ) ) { 673 $args = array( 674 'number' => '', 675 'site__in' => $site_ids, 676 'update_site_meta_cache' => false, 677 ); 678 if ( ! $all ) { 679 $args['archived'] = 0; 680 $args['spam'] = 0; 681 $args['deleted'] = 0; 682 } 683 684 $_sites = get_sites( $args ); 685 686 foreach ( $_sites as $site ) { 687 $sites[ $site->id ] = (object) array( 688 'userblog_id' => $site->id, 689 'blogname' => $site->blogname, 690 'domain' => $site->domain, 691 'path' => $site->path, 692 'site_id' => $site->network_id, 693 'siteurl' => $site->siteurl, 694 'archived' => $site->archived, 695 'mature' => $site->mature, 696 'spam' => $site->spam, 697 'deleted' => $site->deleted, 698 ); 699 } 700 } 701 702 /** 703 * Filters the list of sites a user belongs to. 704 * 705 * @since MU (3.0.0) 706 * 707 * @param array $sites An array of site objects belonging to the user. 708 * @param int $user_id User ID. 709 * @param bool $all Whether the returned sites array should contain all sites, including 710 * those marked 'deleted', 'archived', or 'spam'. Default false. 711 */ 712 return apply_filters( 'get_blogs_of_user', $sites, $user_id, $all ); 713 } 714 715 /** 716 * Find out whether a user is a member of a given blog. 717 * 718 * @since MU (3.0.0) 719 * 720 * @global wpdb $wpdb WordPress database abstraction object. 721 * 722 * @param int $user_id Optional. The unique ID of the user. Defaults to the current user. 723 * @param int $blog_id Optional. ID of the blog to check. Defaults to the current site. 724 * @return bool 725 */ 726 function is_user_member_of_blog( $user_id = 0, $blog_id = 0 ) { 727 global $wpdb; 728 729 $user_id = (int) $user_id; 730 $blog_id = (int) $blog_id; 731 732 if ( empty( $user_id ) ) { 733 $user_id = get_current_user_id(); 734 } 735 736 // Technically not needed, but does save calls to get_site and get_user_meta 737 // in the event that the function is called when a user isn't logged in 738 if ( empty( $user_id ) ) { 739 return false; 740 } else { 741 $user = get_userdata( $user_id ); 742 if ( ! $user instanceof WP_User ) { 743 return false; 744 } 745 } 746 747 if ( ! is_multisite() ) { 748 return true; 749 } 750 751 if ( empty( $blog_id ) ) { 752 $blog_id = get_current_blog_id(); 753 } 754 755 $blog = get_site( $blog_id ); 756 757 if ( ! $blog || ! isset( $blog->domain ) || $blog->archived || $blog->spam || $blog->deleted ) { 758 return false; 759 } 760 761 $keys = get_user_meta( $user_id ); 762 if ( empty( $keys ) ) { 763 return false; 764 } 765 766 // no underscore before capabilities in $base_capabilities_key 767 $base_capabilities_key = $wpdb->base_prefix . 'capabilities'; 768 $site_capabilities_key = $wpdb->base_prefix . $blog_id . '_capabilities'; 769 770 if ( isset( $keys[ $base_capabilities_key ] ) && $blog_id == 1 ) { 771 return true; 772 } 773 774 if ( isset( $keys[ $site_capabilities_key ] ) ) { 775 return true; 776 } 777 778 return false; 779 } 780 781 /** 782 * Adds meta data to a user. 783 * 784 * @since 3.0.0 785 * 786 * @param int $user_id User ID. 787 * @param string $meta_key Metadata name. 788 * @param mixed $meta_value Metadata value. 789 * @param bool $unique Optional. Whether the same key should not be added. Default false. 790 * @return int|false Meta ID on success, false on failure. 791 */ 792 function add_user_meta( $user_id, $meta_key, $meta_value, $unique = false ) { 793 return add_metadata( 'user', $user_id, $meta_key, $meta_value, $unique ); 794 } 795 796 /** 797 * Remove metadata matching criteria from a user. 798 * 799 * You can match based on the key, or key and value. Removing based on key and 800 * value, will keep from removing duplicate metadata with the same key. It also 801 * allows removing all metadata matching key, if needed. 802 * 803 * @since 3.0.0 804 * @link https://developer.wordpress.org/reference/functions/delete_user_meta/ 805 * 806 * @param int $user_id User ID 807 * @param string $meta_key Metadata name. 808 * @param mixed $meta_value Optional. Metadata value. 809 * @return bool True on success, false on failure. 810 */ 811 function delete_user_meta( $user_id, $meta_key, $meta_value = '' ) { 812 return delete_metadata( 'user', $user_id, $meta_key, $meta_value ); 813 } 814 815 /** 816 * Retrieve user meta field for a user. 817 * 818 * @since 3.0.0 819 * @link https://developer.wordpress.org/reference/functions/get_user_meta/ 820 * 821 * @param int $user_id User ID. 822 * @param string $key Optional. The meta key to retrieve. By default, returns data for all keys. 823 * @param bool $single Whether to return a single value. 824 * @return mixed Will be an array if $single is false. Will be value of meta data field if $single is true. 825 */ 826 function get_user_meta( $user_id, $key = '', $single = false ) { 827 return get_metadata( 'user', $user_id, $key, $single ); 828 } 829 830 /** 831 * Update user meta field based on user ID. 832 * 833 * Use the $prev_value parameter to differentiate between meta fields with the 834 * same key and user ID. 835 * 836 * If the meta field for the user does not exist, it will be added. 837 * 838 * @since 3.0.0 839 * @link https://developer.wordpress.org/reference/functions/update_user_meta/ 840 * 841 * @param int $user_id User ID. 842 * @param string $meta_key Metadata key. 843 * @param mixed $meta_value Metadata value. 844 * @param mixed $prev_value Optional. Previous value to check before removing. 845 * @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure. 846 */ 847 function update_user_meta( $user_id, $meta_key, $meta_value, $prev_value = '' ) { 848 return update_metadata( 'user', $user_id, $meta_key, $meta_value, $prev_value ); 849 } 850 851 /** 852 * Count number of users who have each of the user roles. 853 * 854 * Assumes there are neither duplicated nor orphaned capabilities meta_values. 855 * Assumes role names are unique phrases. Same assumption made by WP_User_Query::prepare_query() 856 * Using $strategy = 'time' this is CPU-intensive and should handle around 10^7 users. 857 * Using $strategy = 'memory' this is memory-intensive and should handle around 10^5 users, but see WP Bug #12257. 858 * 859 * @since 3.0.0 860 * @since 4.4.0 The number of users with no role is now included in the `none` element. 861 * @since 4.9.0 The `$site_id` parameter was added to support multisite. 862 * 863 * @global wpdb $wpdb WordPress database abstraction object. 864 * 865 * @param string $strategy Optional. The computational strategy to use when counting the users. 866 * Accepts either 'time' or 'memory'. Default 'time'. 867 * @param int|null $site_id Optional. The site ID to count users for. Defaults to the current site. 868 * @return array { 869 * User counts. 870 * 871 * @type int $total_users Total number of users on the site. 872 * @type int[] $avail_roles Array of user counts keyed by user role. 873 * } 874 */ 875 function count_users( $strategy = 'time', $site_id = null ) { 876 global $wpdb; 877 878 // Initialize 879 if ( ! $site_id ) { 880 $site_id = get_current_blog_id(); 881 } 882 883 /** 884 * Filter the user count before queries are run. Return a non-null value to cause count_users() 885 * to return early. 886 * 887 * @since 5.1.0 888 * 889 * @param null|string $result Default null. 890 * @param string $strategy Optional. The computational strategy to use when counting the users. 891 * Accepts either 'time' or 'memory'. Default 'time'. 892 * @param int|null $site_id Optional. The site ID to count users for. Defaults to the current site. 893 */ 894 $pre = apply_filters( 'pre_count_users', null, $strategy, $site_id ); 895 896 if ( null !== $pre ) { 897 return $pre; 898 } 899 900 $blog_prefix = $wpdb->get_blog_prefix( $site_id ); 901 $result = array(); 902 903 if ( 'time' == $strategy ) { 904 if ( is_multisite() && $site_id != get_current_blog_id() ) { 905 switch_to_blog( $site_id ); 906 $avail_roles = wp_roles()->get_names(); 907 restore_current_blog(); 908 } else { 909 $avail_roles = wp_roles()->get_names(); 910 } 911 912 // Build a CPU-intensive query that will return concise information. 913 $select_count = array(); 914 foreach ( $avail_roles as $this_role => $name ) { 915 $select_count[] = $wpdb->prepare( 'COUNT(NULLIF(`meta_value` LIKE %s, false))', '%' . $wpdb->esc_like( '"' . $this_role . '"' ) . '%' ); 916 } 917 $select_count[] = "COUNT(NULLIF(`meta_value` = 'a:0:{}', false))"; 918 $select_count = implode( ', ', $select_count ); 919 920 // Add the meta_value index to the selection list, then run the query. 921 $row = $wpdb->get_row( 922 " 923 SELECT {$select_count}, COUNT(*) 924 FROM {$wpdb->usermeta} 925 INNER JOIN {$wpdb->users} ON user_id = ID 926 WHERE meta_key = '{$blog_prefix}capabilities' 927 ", 928 ARRAY_N 929 ); 930 931 // Run the previous loop again to associate results with role names. 932 $col = 0; 933 $role_counts = array(); 934 foreach ( $avail_roles as $this_role => $name ) { 935 $count = (int) $row[ $col++ ]; 936 if ( $count > 0 ) { 937 $role_counts[ $this_role ] = $count; 938 } 939 } 940 941 $role_counts['none'] = (int) $row[ $col++ ]; 942 943 // Get the meta_value index from the end of the result set. 944 $total_users = (int) $row[ $col ]; 945 946 $result['total_users'] = $total_users; 947 $result['avail_roles'] =& $role_counts; 948 } else { 949 $avail_roles = array( 950 'none' => 0, 951 ); 952 953 $users_of_blog = $wpdb->get_col( 954 " 955 SELECT meta_value 956 FROM {$wpdb->usermeta} 957 INNER JOIN {$wpdb->users} ON user_id = ID 958 WHERE meta_key = '{$blog_prefix}capabilities' 959 " 960 ); 961 962 foreach ( $users_of_blog as $caps_meta ) { 963 $b_roles = maybe_unserialize( $caps_meta ); 964 if ( ! is_array( $b_roles ) ) { 965 continue; 966 } 967 if ( empty( $b_roles ) ) { 968 $avail_roles['none']++; 969 } 970 foreach ( $b_roles as $b_role => $val ) { 971 if ( isset( $avail_roles[ $b_role ] ) ) { 972 $avail_roles[ $b_role ]++; 973 } else { 974 $avail_roles[ $b_role ] = 1; 975 } 976 } 977 } 978 979 $result['total_users'] = count( $users_of_blog ); 980 $result['avail_roles'] =& $avail_roles; 981 } 982 983 return $result; 984 } 985 986 // 987 // Private helper functions 988 // 989 990 /** 991 * Set up global user vars. 992 * 993 * Used by wp_set_current_user() for back compat. Might be deprecated in the future. 994 * 995 * @since 2.0.4 996 * 997 * @global string $user_login The user username for logging in 998 * @global WP_User $userdata User data. 999 * @global int $user_level The level of the user 1000 * @global int $user_ID The ID of the user 1001 * @global string $user_email The email address of the user 1002 * @global string $user_url The url in the user's profile 1003 * @global string $user_identity The display name of the user 1004 * 1005 * @param int $for_user_id Optional. User ID to set up global data. Default 0. 1006 */ 1007 function setup_userdata( $for_user_id = 0 ) { 1008 global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_identity; 1009 1010 if ( ! $for_user_id ) { 1011 $for_user_id = get_current_user_id(); 1012 } 1013 $user = get_userdata( $for_user_id ); 1014 1015 if ( ! $user ) { 1016 $user_ID = 0; 1017 $user_level = 0; 1018 $userdata = null; 1019 $user_login = ''; 1020 $user_email = ''; 1021 $user_url = ''; 1022 $user_identity = ''; 1023 return; 1024 } 1025 1026 $user_ID = (int) $user->ID; 1027 $user_level = (int) $user->user_level; 1028 $userdata = $user; 1029 $user_login = $user->user_login; 1030 $user_email = $user->user_email; 1031 $user_url = $user->user_url; 1032 $user_identity = $user->display_name; 1033 } 1034 1035 /** 1036 * Create dropdown HTML content of users. 1037 * 1038 * The content can either be displayed, which it is by default or retrieved by 1039 * setting the 'echo' argument. The 'include' and 'exclude' arguments do not 1040 * need to be used; all users will be displayed in that case. Only one can be 1041 * used, either 'include' or 'exclude', but not both. 1042 * 1043 * The available arguments are as follows: 1044 * 1045 * @since 2.3.0 1046 * @since 4.5.0 Added the 'display_name_with_login' value for 'show'. 1047 * @since 4.7.0 Added the `$role`, `$role__in`, and `$role__not_in` parameters. 1048 * 1049 * @param array|string $args { 1050 * Optional. Array or string of arguments to generate a drop-down of users. 1051 * See WP_User_Query::prepare_query() for additional available arguments. 1052 * 1053 * @type string $show_option_all Text to show as the drop-down default (all). 1054 * Default empty. 1055 * @type string $show_option_none Text to show as the drop-down default when no 1056 * users were found. Default empty. 1057 * @type int|string $option_none_value Value to use for $show_option_non when no users 1058 * were found. Default -1. 1059 * @type string $hide_if_only_one_author Whether to skip generating the drop-down 1060 * if only one user was found. Default empty. 1061 * @type string $orderby Field to order found users by. Accepts user fields. 1062 * Default 'display_name'. 1063 * @type string $order Whether to order users in ascending or descending 1064 * order. Accepts 'ASC' (ascending) or 'DESC' (descending). 1065 * Default 'ASC'. 1066 * @type array|string $include Array or comma-separated list of user IDs to include. 1067 * Default empty. 1068 * @type array|string $exclude Array or comma-separated list of user IDs to exclude. 1069 * Default empty. 1070 * @type bool|int $multi Whether to skip the ID attribute on the 'select' element. 1071 * Accepts 1|true or 0|false. Default 0|false. 1072 * @type string $show User data to display. If the selected item is empty 1073 * then the 'user_login' will be displayed in parentheses. 1074 * Accepts any user field, or 'display_name_with_login' to show 1075 * the display name with user_login in parentheses. 1076 * Default 'display_name'. 1077 * @type int|bool $echo Whether to echo or return the drop-down. Accepts 1|true (echo) 1078 * or 0|false (return). Default 1|true. 1079 * @type int $selected Which user ID should be selected. Default 0. 1080 * @type bool $include_selected Whether to always include the selected user ID in the drop- 1081 * down. Default false. 1082 * @type string $name Name attribute of select element. Default 'user'. 1083 * @type string $id ID attribute of the select element. Default is the value of $name. 1084 * @type string $class Class attribute of the select element. Default empty. 1085 * @type int $blog_id ID of blog (Multisite only). Default is ID of the current blog. 1086 * @type string $who Which type of users to query. Accepts only an empty string or 1087 * 'authors'. Default empty. 1088 * @type string|array $role An array or a comma-separated list of role names that users must 1089 * match to be included in results. Note that this is an inclusive 1090 * list: users must match *each* role. Default empty. 1091 * @type array $role__in An array of role names. Matched users must have at least one of 1092 * these roles. Default empty array. 1093 * @type array $role__not_in An array of role names to exclude. Users matching one or more of 1094 * these roles will not be included in results. Default empty array. 1095 * } 1096 * @return string HTML dropdown list of users. 1097 */ 1098 function wp_dropdown_users( $args = '' ) { 1099 $defaults = array( 1100 'show_option_all' => '', 1101 'show_option_none' => '', 1102 'hide_if_only_one_author' => '', 1103 'orderby' => 'display_name', 1104 'order' => 'ASC', 1105 'include' => '', 1106 'exclude' => '', 1107 'multi' => 0, 1108 'show' => 'display_name', 1109 'echo' => 1, 1110 'selected' => 0, 1111 'name' => 'user', 1112 'class' => '', 1113 'id' => '', 1114 'blog_id' => get_current_blog_id(), 1115 'who' => '', 1116 'include_selected' => false, 1117 'option_none_value' => -1, 1118 'role' => '', 1119 'role__in' => array(), 1120 'role__not_in' => array(), 1121 ); 1122 1123 $defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0; 1124 1125 $parsed_args = wp_parse_args( $args, $defaults ); 1126 1127 $query_args = wp_array_slice_assoc( $parsed_args, array( 'blog_id', 'include', 'exclude', 'orderby', 'order', 'who', 'role', 'role__in', 'role__not_in' ) ); 1128 1129 $fields = array( 'ID', 'user_login' ); 1130 1131 $show = ! empty( $parsed_args['show'] ) ? $parsed_args['show'] : 'display_name'; 1132 if ( 'display_name_with_login' === $show ) { 1133 $fields[] = 'display_name'; 1134 } else { 1135 $fields[] = $show; 1136 } 1137 1138 $query_args['fields'] = $fields; 1139 1140 $show_option_all = $parsed_args['show_option_all']; 1141 $show_option_none = $parsed_args['show_option_none']; 1142 $option_none_value = $parsed_args['option_none_value']; 1143 1144 /** 1145 * Filters the query arguments for the list of users in the dropdown. 1146 * 1147 * @since 4.4.0 1148 * 1149 * @param array $query_args The query arguments for get_users(). 1150 * @param array $parsed_args The arguments passed to wp_dropdown_users() combined with the defaults. 1151 */ 1152 $query_args = apply_filters( 'wp_dropdown_users_args', $query_args, $parsed_args ); 1153 1154 $users = get_users( $query_args ); 1155 1156 $output = ''; 1157 if ( ! empty( $users ) && ( empty( $parsed_args['hide_if_only_one_author'] ) || count( $users ) > 1 ) ) { 1158 $name = esc_attr( $parsed_args['name'] ); 1159 if ( $parsed_args['multi'] && ! $parsed_args['id'] ) { 1160 $id = ''; 1161 } else { 1162 $id = $parsed_args['id'] ? " id='" . esc_attr( $parsed_args['id'] ) . "'" : " id='$name'"; 1163 } 1164 $output = "<select name='{$name}'{$id} class='" . $parsed_args['class'] . "'>\n"; 1165 1166 if ( $show_option_all ) { 1167 $output .= "\t<option value='0'>$show_option_all</option>\n"; 1168 } 1169 1170 if ( $show_option_none ) { 1171 $_selected = selected( $option_none_value, $parsed_args['selected'], false ); 1172 $output .= "\t<option value='" . esc_attr( $option_none_value ) . "'$_selected>$show_option_none</option>\n"; 1173 } 1174 1175 if ( $parsed_args['include_selected'] && ( $parsed_args['selected'] > 0 ) ) { 1176 $found_selected = false; 1177 $parsed_args['selected'] = (int) $parsed_args['selected']; 1178 foreach ( (array) $users as $user ) { 1179 $user->ID = (int) $user->ID; 1180 if ( $user->ID === $parsed_args['selected'] ) { 1181 $found_selected = true; 1182 } 1183 } 1184 1185 if ( ! $found_selected ) { 1186 $users[] = get_userdata( $parsed_args['selected'] ); 1187 } 1188 } 1189 1190 foreach ( (array) $users as $user ) { 1191 if ( 'display_name_with_login' === $show ) { 1192 /* translators: 1: User's display name, 2: User login. */ 1193 $display = sprintf( _x( '%1$s (%2$s)', 'user dropdown' ), $user->display_name, $user->user_login ); 1194 } elseif ( ! empty( $user->$show ) ) { 1195 $display = $user->$show; 1196 } else { 1197 $display = '(' . $user->user_login . ')'; 1198 } 1199 1200 $_selected = selected( $user->ID, $parsed_args['selected'], false ); 1201 $output .= "\t<option value='$user->ID'$_selected>" . esc_html( $display ) . "</option>\n"; 1202 } 1203 1204 $output .= '</select>'; 1205 } 1206 1207 /** 1208 * Filters the wp_dropdown_users() HTML output. 1209 * 1210 * @since 2.3.0 1211 * 1212 * @param string $output HTML output generated by wp_dropdown_users(). 1213 */ 1214 $html = apply_filters( 'wp_dropdown_users', $output ); 1215 1216 if ( $parsed_args['echo'] ) { 1217 echo $html; 1218 } 1219 return $html; 1220 } 1221 1222 /** 1223 * Sanitize user field based on context. 1224 * 1225 * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The 1226 * 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display' 1227 * when calling filters. 1228 * 1229 * @since 2.3.0 1230 * 1231 * @param string $field The user Object field name. 1232 * @param mixed $value The user Object value. 1233 * @param int $user_id User ID. 1234 * @param string $context How to sanitize user fields. Looks for 'raw', 'edit', 'db', 'display', 1235 * 'attribute' and 'js'. 1236 * @return mixed Sanitized value. 1237 */ 1238 function sanitize_user_field( $field, $value, $user_id, $context ) { 1239 $int_fields = array( 'ID' ); 1240 if ( in_array( $field, $int_fields ) ) { 1241 $value = (int) $value; 1242 } 1243 1244 if ( 'raw' == $context ) { 1245 return $value; 1246 } 1247 1248 if ( ! is_string( $value ) && ! is_numeric( $value ) ) { 1249 return $value; 1250 } 1251 1252 $prefixed = false !== strpos( $field, 'user_' ); 1253 1254 if ( 'edit' == $context ) { 1255 if ( $prefixed ) { 1256 1257 /** This filter is documented in wp-includes/post.php */ 1258 $value = apply_filters( "edit_{$field}", $value, $user_id ); 1259 } else { 1260 1261 /** 1262 * Filters a user field value in the 'edit' context. 1263 * 1264 * The dynamic portion of the hook name, `$field`, refers to the prefixed user 1265 * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. 1266 * 1267 * @since 2.9.0 1268 * 1269 * @param mixed $value Value of the prefixed user field. 1270 * @param int $user_id User ID. 1271 */ 1272 $value = apply_filters( "edit_user_{$field}", $value, $user_id ); 1273 } 1274 1275 if ( 'description' == $field ) { 1276 $value = esc_html( $value ); // textarea_escaped? 1277 } else { 1278 $value = esc_attr( $value ); 1279 } 1280 } elseif ( 'db' == $context ) { 1281 if ( $prefixed ) { 1282 /** This filter is documented in wp-includes/post.php */ 1283 $value = apply_filters( "pre_{$field}", $value ); 1284 } else { 1285 1286 /** 1287 * Filters the value of a user field in the 'db' context. 1288 * 1289 * The dynamic portion of the hook name, `$field`, refers to the prefixed user 1290 * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. 1291 * 1292 * @since 2.9.0 1293 * 1294 * @param mixed $value Value of the prefixed user field. 1295 */ 1296 $value = apply_filters( "pre_user_{$field}", $value ); 1297 } 1298 } else { 1299 // Use display filters by default. 1300 if ( $prefixed ) { 1301 1302 /** This filter is documented in wp-includes/post.php */ 1303 $value = apply_filters( "{$field}", $value, $user_id, $context ); 1304 } else { 1305 1306 /** 1307 * Filters the value of a user field in a standard context. 1308 * 1309 * The dynamic portion of the hook name, `$field`, refers to the prefixed user 1310 * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. 1311 * 1312 * @since 2.9.0 1313 * 1314 * @param mixed $value The user object value to sanitize. 1315 * @param int $user_id User ID. 1316 * @param string $context The context to filter within. 1317 */ 1318 $value = apply_filters( "user_{$field}", $value, $user_id, $context ); 1319 } 1320 } 1321 1322 if ( 'user_url' == $field ) { 1323 $value = esc_url( $value ); 1324 } 1325 1326 if ( 'attribute' == $context ) { 1327 $value = esc_attr( $value ); 1328 } elseif ( 'js' == $context ) { 1329 $value = esc_js( $value ); 1330 } 1331 return $value; 1332 } 1333 1334 /** 1335 * Update all user caches 1336 * 1337 * @since 3.0.0 1338 * 1339 * @param WP_User $user User object to be cached 1340 * @return bool|null Returns false on failure. 1341 */ 1342 function update_user_caches( $user ) { 1343 if ( $user instanceof WP_User ) { 1344 if ( ! $user->exists() ) { 1345 return false; 1346 } 1347 1348 $user = $user->data; 1349 } 1350 1351 wp_cache_add( $user->ID, $user, 'users' ); 1352 wp_cache_add( $user->user_login, $user->ID, 'userlogins' ); 1353 wp_cache_add( $user->user_email, $user->ID, 'useremail' ); 1354 wp_cache_add( $user->user_nicename, $user->ID, 'userslugs' ); 1355 } 1356 1357 /** 1358 * Clean all user caches 1359 * 1360 * @since 3.0.0 1361 * @since 4.4.0 'clean_user_cache' action was added. 1362 * 1363 * @param WP_User|int $user User object or ID to be cleaned from the cache 1364 */ 1365 function clean_user_cache( $user ) { 1366 if ( is_numeric( $user ) ) { 1367 $user = new WP_User( $user ); 1368 } 1369 1370 if ( ! $user->exists() ) { 1371 return; 1372 } 1373 1374 wp_cache_delete( $user->ID, 'users' ); 1375 wp_cache_delete( $user->user_login, 'userlogins' ); 1376 wp_cache_delete( $user->user_email, 'useremail' ); 1377 wp_cache_delete( $user->user_nicename, 'userslugs' ); 1378 1379 /** 1380 * Fires immediately after the given user's cache is cleaned. 1381 * 1382 * @since 4.4.0 1383 * 1384 * @param int $user_id User ID. 1385 * @param WP_User $user User object. 1386 */ 1387 do_action( 'clean_user_cache', $user->ID, $user ); 1388 } 1389 1390 /** 1391 * Determines whether the given username exists. 1392 * 1393 * For more information on this and similar theme functions, check out 1394 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 1395 * Conditional Tags} article in the Theme Developer Handbook. 1396 * 1397 * @since 2.0.0 1398 * 1399 * @param string $username Username. 1400 * @return int|false The user's ID on success, and false on failure. 1401 */ 1402 function username_exists( $username ) { 1403 $user = get_user_by( 'login', $username ); 1404 if ( $user ) { 1405 $user_id = $user->ID; 1406 } else { 1407 $user_id = false; 1408 } 1409 1410 /** 1411 * Filters whether the given username exists or not. 1412 * 1413 * @since 4.9.0 1414 * 1415 * @param int|false $user_id The user's ID on success, and false on failure. 1416 * @param string $username Username to check. 1417 */ 1418 return apply_filters( 'username_exists', $user_id, $username ); 1419 } 1420 1421 /** 1422 * Determines whether the given email exists. 1423 * 1424 * For more information on this and similar theme functions, check out 1425 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 1426 * Conditional Tags} article in the Theme Developer Handbook. 1427 * 1428 * @since 2.1.0 1429 * 1430 * @param string $email Email. 1431 * @return int|false The user's ID on success, and false on failure. 1432 */ 1433 function email_exists( $email ) { 1434 $user = get_user_by( 'email', $email ); 1435 if ( $user ) { 1436 return $user->ID; 1437 } 1438 return false; 1439 } 1440 1441 /** 1442 * Checks whether a username is valid. 1443 * 1444 * @since 2.0.1 1445 * @since 4.4.0 Empty sanitized usernames are now considered invalid 1446 * 1447 * @param string $username Username. 1448 * @return bool Whether username given is valid 1449 */ 1450 function validate_username( $username ) { 1451 $sanitized = sanitize_user( $username, true ); 1452 $valid = ( $sanitized == $username && ! empty( $sanitized ) ); 1453 1454 /** 1455 * Filters whether the provided username is valid or not. 1456 * 1457 * @since 2.0.1 1458 * 1459 * @param bool $valid Whether given username is valid. 1460 * @param string $username Username to check. 1461 */ 1462 return apply_filters( 'validate_username', $valid, $username ); 1463 } 1464 1465 /** 1466 * Insert a user into the database. 1467 * 1468 * Most of the `$userdata` array fields have filters associated with the values. Exceptions are 1469 * 'ID', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl', 1470 * 'user_registered', 'user_activation_key', 'spam', and 'role'. The filters have the prefix 1471 * 'pre_user_' followed by the field name. An example using 'description' would have the filter 1472 * called 'pre_user_description' that can be hooked into. 1473 * 1474 * @since 2.0.0 1475 * @since 3.6.0 The `aim`, `jabber`, and `yim` fields were removed as default user contact 1476 * methods for new installations. See wp_get_user_contact_methods(). 1477 * @since 4.7.0 The user's locale can be passed to `$userdata`. 1478 * @since 5.3.0 The `user_activation_key` field can be passed to `$userdata`. 1479 * @since 5.3.0 The `spam` field can be passed to `$userdata` (Multisite only). 1480 * 1481 * @global wpdb $wpdb WordPress database abstraction object. 1482 * 1483 * @param array|object|WP_User $userdata { 1484 * An array, object, or WP_User object of user data arguments. 1485 * 1486 * @type int $ID User ID. If supplied, the user will be updated. 1487 * @type string $user_pass The plain-text user password. 1488 * @type string $user_login The user's login username. 1489 * @type string $user_nicename The URL-friendly user name. 1490 * @type string $user_url The user URL. 1491 * @type string $user_email The user email address. 1492 * @type string $display_name The user's display name. 1493 * Default is the user's username. 1494 * @type string $nickname The user's nickname. 1495 * Default is the user's username. 1496 * @type string $first_name The user's first name. For new users, will be used 1497 * to build the first part of the user's display name 1498 * if `$display_name` is not specified. 1499 * @type string $last_name The user's last name. For new users, will be used 1500 * to build the second part of the user's display name 1501 * if `$display_name` is not specified. 1502 * @type string $description The user's biographical description. 1503 * @type string|bool $rich_editing Whether to enable the rich-editor for the user. 1504 * False if not empty. 1505 * @type string|bool $syntax_highlighting Whether to enable the rich code editor for the user. 1506 * False if not empty. 1507 * @type string|bool $comment_shortcuts Whether to enable comment moderation keyboard 1508 * shortcuts for the user. Default false. 1509 * @type string $admin_color Admin color scheme for the user. Default 'fresh'. 1510 * @type bool $use_ssl Whether the user should always access the admin over 1511 * https. Default false. 1512 * @type string $user_registered Date the user registered. Format is 'Y-m-d H:i:s'. 1513 * @type string $user_activation_key Password reset key. Default empty. 1514 * @type bool $spam Multisite only. Whether the user is marked as spam. 1515 * Default false. 1516 * @type string|bool $show_admin_bar_front Whether to display the Admin Bar for the user on the 1517 * site's front end. Default true. 1518 * @type string $role User's role. 1519 * @type string $locale User's locale. Default empty. 1520 * } 1521 * @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not 1522 * be created. 1523 */ 1524 function wp_insert_user( $userdata ) { 1525 global $wpdb; 1526 1527 if ( $userdata instanceof stdClass ) { 1528 $userdata = get_object_vars( $userdata ); 1529 } elseif ( $userdata instanceof WP_User ) { 1530 $userdata = $userdata->to_array(); 1531 } 1532 1533 // Are we updating or creating? 1534 if ( ! empty( $userdata['ID'] ) ) { 1535 $ID = (int) $userdata['ID']; 1536 $update = true; 1537 $old_user_data = get_userdata( $ID ); 1538 1539 if ( ! $old_user_data ) { 1540 return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) ); 1541 } 1542 1543 // hashed in wp_update_user(), plaintext if called directly 1544 $user_pass = ! empty( $userdata['user_pass'] ) ? $userdata['user_pass'] : $old_user_data->user_pass; 1545 } else { 1546 $update = false; 1547 // Hash the password 1548 $user_pass = wp_hash_password( $userdata['user_pass'] ); 1549 } 1550 1551 $sanitized_user_login = sanitize_user( $userdata['user_login'], true ); 1552 1553 /** 1554 * Filters a username after it has been sanitized. 1555 * 1556 * This filter is called before the user is created or updated. 1557 * 1558 * @since 2.0.3 1559 * 1560 * @param string $sanitized_user_login Username after it has been sanitized. 1561 */ 1562 $pre_user_login = apply_filters( 'pre_user_login', $sanitized_user_login ); 1563 1564 //Remove any non-printable chars from the login string to see if we have ended up with an empty username 1565 $user_login = trim( $pre_user_login ); 1566 1567 // user_login must be between 0 and 60 characters. 1568 if ( empty( $user_login ) ) { 1569 return new WP_Error( 'empty_user_login', __( 'Cannot create a user with an empty login name.' ) ); 1570 } elseif ( mb_strlen( $user_login ) > 60 ) { 1571 return new WP_Error( 'user_login_too_long', __( 'Username may not be longer than 60 characters.' ) ); 1572 } 1573 1574 if ( ! $update && username_exists( $user_login ) ) { 1575 return new WP_Error( 'existing_user_login', __( 'Sorry, that username already exists!' ) ); 1576 } 1577 1578 /** 1579 * Filters the list of blacklisted usernames. 1580 * 1581 * @since 4.4.0 1582 * 1583 * @param array $usernames Array of blacklisted usernames. 1584 */ 1585 $illegal_logins = (array) apply_filters( 'illegal_user_logins', array() ); 1586 1587 if ( in_array( strtolower( $user_login ), array_map( 'strtolower', $illegal_logins ), true ) ) { 1588 return new WP_Error( 'invalid_username', __( 'Sorry, that username is not allowed.' ) ); 1589 } 1590 1591 /* 1592 * If a nicename is provided, remove unsafe user characters before using it. 1593 * Otherwise build a nicename from the user_login. 1594 */ 1595 if ( ! empty( $userdata['user_nicename'] ) ) { 1596 $user_nicename = sanitize_user( $userdata['user_nicename'], true ); 1597 if ( mb_strlen( $user_nicename ) > 50 ) { 1598 return new WP_Error( 'user_nicename_too_long', __( 'Nicename may not be longer than 50 characters.' ) ); 1599 } 1600 } else { 1601 $user_nicename = mb_substr( $user_login, 0, 50 ); 1602 } 1603 1604 $user_nicename = sanitize_title( $user_nicename ); 1605 1606 /** 1607 * Filters a user's nicename before the user is created or updated. 1608 * 1609 * @since 2.0.3 1610 * 1611 * @param string $user_nicename The user's nicename. 1612 */ 1613 $user_nicename = apply_filters( 'pre_user_nicename', $user_nicename ); 1614 1615 $user_nicename_check = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->users WHERE user_nicename = %s AND user_login != %s LIMIT 1", $user_nicename, $user_login ) ); 1616 1617 if ( $user_nicename_check ) { 1618 $suffix = 2; 1619 while ( $user_nicename_check ) { 1620 // user_nicename allows 50 chars. Subtract one for a hyphen, plus the length of the suffix. 1621 $base_length = 49 - mb_strlen( $suffix ); 1622 $alt_user_nicename = mb_substr( $user_nicename, 0, $base_length ) . "-$suffix"; 1623 $user_nicename_check = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->users WHERE user_nicename = %s AND user_login != %s LIMIT 1", $alt_user_nicename, $user_login ) ); 1624 $suffix++; 1625 } 1626 $user_nicename = $alt_user_nicename; 1627 } 1628 1629 $raw_user_email = empty( $userdata['user_email'] ) ? '' : $userdata['user_email']; 1630 1631 /** 1632 * Filters a user's email before the user is created or updated. 1633 * 1634 * @since 2.0.3 1635 * 1636 * @param string $raw_user_email The user's email. 1637 */ 1638 $user_email = apply_filters( 'pre_user_email', $raw_user_email ); 1639 1640 /* 1641 * If there is no update, just check for `email_exists`. If there is an update, 1642 * check if current email and new email are the same, or not, and check `email_exists` 1643 * accordingly. 1644 */ 1645 if ( ( ! $update || ( ! empty( $old_user_data ) && 0 !== strcasecmp( $user_email, $old_user_data->user_email ) ) ) 1646 && ! defined( 'WP_IMPORTING' ) 1647 && email_exists( $user_email ) 1648 ) { 1649 return new WP_Error( 'existing_user_email', __( 'Sorry, that email address is already used!' ) ); 1650 } 1651 1652 $raw_user_url = empty( $userdata['user_url'] ) ? '' : $userdata['user_url']; 1653 1654 /** 1655 * Filters a user's URL before the user is created or updated. 1656 * 1657 * @since 2.0.3 1658 * 1659 * @param string $raw_user_url The user's URL. 1660 */ 1661 $user_url = apply_filters( 'pre_user_url', $raw_user_url ); 1662 1663 $user_registered = empty( $userdata['user_registered'] ) ? gmdate( 'Y-m-d H:i:s' ) : $userdata['user_registered']; 1664 1665 $user_activation_key = empty( $userdata['user_activation_key'] ) ? '' : $userdata['user_activation_key']; 1666 1667 if ( ! empty( $userdata['spam'] ) && ! is_multisite() ) { 1668 return new WP_Error( 'no_spam', __( 'Sorry, marking a user as spam is only supported on Multisite.' ) ); 1669 } 1670 1671 $spam = empty( $userdata['spam'] ) ? 0 : (bool) $userdata['spam']; 1672 1673 // Store values to save in user meta. 1674 $meta = array(); 1675 1676 $nickname = empty( $userdata['nickname'] ) ? $user_login : $userdata['nickname']; 1677 1678 /** 1679 * Filters a user's nickname before the user is created or updated. 1680 * 1681 * @since 2.0.3 1682 * 1683 * @param string $nickname The user's nickname. 1684 */ 1685 $meta['nickname'] = apply_filters( 'pre_user_nickname', $nickname ); 1686 1687 $first_name = empty( $userdata['first_name'] ) ? '' : $userdata['first_name']; 1688 1689 /** 1690 * Filters a user's first name before the user is created or updated. 1691 * 1692 * @since 2.0.3 1693 * 1694 * @param string $first_name The user's first name. 1695 */ 1696 $meta['first_name'] = apply_filters( 'pre_user_first_name', $first_name ); 1697 1698 $last_name = empty( $userdata['last_name'] ) ? '' : $userdata['last_name']; 1699 1700 /** 1701 * Filters a user's last name before the user is created or updated. 1702 * 1703 * @since 2.0.3 1704 * 1705 * @param string $last_name The user's last name. 1706 */ 1707 $meta['last_name'] = apply_filters( 'pre_user_last_name', $last_name ); 1708 1709 if ( empty( $userdata['display_name'] ) ) { 1710 if ( $update ) { 1711 $display_name = $user_login; 1712 } elseif ( $meta['first_name'] && $meta['last_name'] ) { 1713 /* translators: 1: User's first name, 2: Last name. */ 1714 $display_name = sprintf( _x( '%1$s %2$s', 'Display name based on first name and last name' ), $meta['first_name'], $meta['last_name'] ); 1715 } elseif ( $meta['first_name'] ) { 1716 $display_name = $meta['first_name']; 1717 } elseif ( $meta['last_name'] ) { 1718 $display_name = $meta['last_name']; 1719 } else { 1720 $display_name = $user_login; 1721 } 1722 } else { 1723 $display_name = $userdata['display_name']; 1724 } 1725 1726 /** 1727 * Filters a user's display name before the user is created or updated. 1728 * 1729 * @since 2.0.3 1730 * 1731 * @param string $display_name The user's display name. 1732 */ 1733 $display_name = apply_filters( 'pre_user_display_name', $display_name ); 1734 1735 $description = empty( $userdata['description'] ) ? '' : $userdata['description']; 1736 1737 /** 1738 * Filters a user's description before the user is created or updated. 1739 * 1740 * @since 2.0.3 1741 * 1742 * @param string $description The user's description. 1743 */ 1744 $meta['description'] = apply_filters( 'pre_user_description', $description ); 1745 1746 $meta['rich_editing'] = empty( $userdata['rich_editing'] ) ? 'true' : $userdata['rich_editing']; 1747 1748 $meta['syntax_highlighting'] = empty( $userdata['syntax_highlighting'] ) ? 'true' : $userdata['syntax_highlighting']; 1749 1750 $meta['comment_shortcuts'] = empty( $userdata['comment_shortcuts'] ) || 'false' === $userdata['comment_shortcuts'] ? 'false' : 'true'; 1751 1752 $admin_color = empty( $userdata['admin_color'] ) ? 'fresh' : $userdata['admin_color']; 1753 $meta['admin_color'] = preg_replace( '|[^a-z0-9 _.\-@]|i', '', $admin_color ); 1754 1755 $meta['use_ssl'] = empty( $userdata['use_ssl'] ) ? 0 : (bool) $userdata['use_ssl']; 1756 1757 $meta['show_admin_bar_front'] = empty( $userdata['show_admin_bar_front'] ) ? 'true' : $userdata['show_admin_bar_front']; 1758 1759 $meta['locale'] = isset( $userdata['locale'] ) ? $userdata['locale'] : ''; 1760 1761 $compacted = compact( 'user_pass', 'user_nicename', 'user_email', 'user_url', 'user_registered', 'user_activation_key', 'display_name' ); 1762 $data = wp_unslash( $compacted ); 1763 1764 if ( ! $update ) { 1765 $data = $data + compact( 'user_login' ); 1766 } 1767 1768 if ( is_multisite() ) { 1769 $data = $data + compact( 'spam' ); 1770 } 1771 1772 /** 1773 * Filters user data before the record is created or updated. 1774 * 1775 * It only includes data in the wp_users table wp_user, not any user metadata. 1776 * 1777 * @since 4.9.0 1778 * 1779 * @param array $data { 1780 * Values and keys for the user. 1781 * 1782 * @type string $user_login The user's login. Only included if $update == false 1783 * @type string $user_pass The user's password. 1784 * @type string $user_email The user's email. 1785 * @type string $user_url The user's url. 1786 * @type string $user_nicename The user's nice name. Defaults to a URL-safe version of user's login 1787 * @type string $display_name The user's display name. 1788 * @type string $user_registered MySQL timestamp describing the moment when the user registered. Defaults to 1789 * the current UTC timestamp. 1790 * } 1791 * @param bool $update Whether the user is being updated rather than created. 1792 * @param int|null $id ID of the user to be updated, or NULL if the user is being created. 1793 */ 1794 $data = apply_filters( 'wp_pre_insert_user_data', $data, $update, $update ? (int) $ID : null ); 1795 1796 if ( empty( $data ) || ! is_array( $data ) ) { 1797 return new WP_Error( 'empty_data', __( 'Not enough data to create this user.' ) ); 1798 } 1799 1800 if ( $update ) { 1801 if ( $user_email !== $old_user_data->user_email ) { 1802 $data['user_activation_key'] = ''; 1803 } 1804 $wpdb->update( $wpdb->users, $data, compact( 'ID' ) ); 1805 $user_id = (int) $ID; 1806 } else { 1807 $wpdb->insert( $wpdb->users, $data ); 1808 $user_id = (int) $wpdb->insert_id; 1809 } 1810 1811 $user = new WP_User( $user_id ); 1812 1813 /** 1814 * Filters a user's meta values and keys immediately after the user is created or updated 1815 * and before any user meta is inserted or updated. 1816 * 1817 * Does not include contact methods. These are added using `wp_get_user_contact_methods( $user )`. 1818 * 1819 * @since 4.4.0 1820 * 1821 * @param array $meta { 1822 * Default meta values and keys for the user. 1823 * 1824 * @type string $nickname The user's nickname. Default is the user's username. 1825 * @type string $first_name The user's first name. 1826 * @type string $last_name The user's last name. 1827 * @type string $description The user's description. 1828 * @type bool $rich_editing Whether to enable the rich-editor for the user. False if not empty. 1829 * @type bool $syntax_highlighting Whether to enable the rich code editor for the user. False if not empty. 1830 * @type bool $comment_shortcuts Whether to enable keyboard shortcuts for the user. Default false. 1831 * @type string $admin_color The color scheme for a user's admin screen. Default 'fresh'. 1832 * @type int|bool $use_ssl Whether to force SSL on the user's admin area. 0|false if SSL is 1833 * not forced. 1834 * @type bool $show_admin_bar_front Whether to show the admin bar on the front end for the user. 1835 * Default true. 1836 * @type string $locale User's locale. Default empty. 1837 * } 1838 * @param WP_User $user User object. 1839 * @param bool $update Whether the user is being updated rather than created. 1840 */ 1841 $meta = apply_filters( 'insert_user_meta', $meta, $user, $update ); 1842 1843 // Update user meta. 1844 foreach ( $meta as $key => $value ) { 1845 update_user_meta( $user_id, $key, $value ); 1846 } 1847 1848 foreach ( wp_get_user_contact_methods( $user ) as $key => $value ) { 1849 if ( isset( $userdata[ $key ] ) ) { 1850 update_user_meta( $user_id, $key, $userdata[ $key ] ); 1851 } 1852 } 1853 1854 if ( isset( $userdata['role'] ) ) { 1855 $user->set_role( $userdata['role'] ); 1856 } elseif ( ! $update ) { 1857 $user->set_role( get_option( 'default_role' ) ); 1858 } 1859 1860 clean_user_cache( $user_id ); 1861 1862 if ( $update ) { 1863 /** 1864 * Fires immediately after an existing user is updated. 1865 * 1866 * @since 2.0.0 1867 * 1868 * @param int $user_id User ID. 1869 * @param WP_User $old_user_data Object containing user's data prior to update. 1870 */ 1871 do_action( 'profile_update', $user_id, $old_user_data ); 1872 1873 if ( isset( $userdata['spam'] ) && $userdata['spam'] != $old_user_data->spam ) { 1874 if ( $userdata['spam'] == 1 ) { 1875 /** 1876 * Fires after the user is marked as a SPAM user. 1877 * 1878 * @since 3.0.0 1879 * 1880 * @param int $user_id ID of the user marked as SPAM. 1881 */ 1882 do_action( 'make_spam_user', $user_id ); 1883 } else { 1884 /** 1885 * Fires after the user is marked as a HAM user. Opposite of SPAM. 1886 * 1887 * @since 3.0.0 1888 * 1889 * @param int $user_id ID of the user marked as HAM. 1890 */ 1891 do_action( 'make_ham_user', $user_id ); 1892 } 1893 } 1894 } else { 1895 /** 1896 * Fires immediately after a new user is registered. 1897 * 1898 * @since 1.5.0 1899 * 1900 * @param int $user_id User ID. 1901 */ 1902 do_action( 'user_register', $user_id ); 1903 } 1904 1905 return $user_id; 1906 } 1907 1908 /** 1909 * Update a user in the database. 1910 * 1911 * It is possible to update a user's password by specifying the 'user_pass' 1912 * value in the $userdata parameter array. 1913 * 1914 * If current user's password is being updated, then the cookies will be 1915 * cleared. 1916 * 1917 * @since 2.0.0 1918 * 1919 * @see wp_insert_user() For what fields can be set in $userdata. 1920 * 1921 * @param array|object|WP_User $userdata An array of user data or a user object of type stdClass or WP_User. 1922 * @return int|WP_Error The updated user's ID or a WP_Error object if the user could not be updated. 1923 */ 1924 function wp_update_user( $userdata ) { 1925 if ( $userdata instanceof stdClass ) { 1926 $userdata = get_object_vars( $userdata ); 1927 } elseif ( $userdata instanceof WP_User ) { 1928 $userdata = $userdata->to_array(); 1929 } 1930 1931 $ID = isset( $userdata['ID'] ) ? (int) $userdata['ID'] : 0; 1932 if ( ! $ID ) { 1933 return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) ); 1934 } 1935 1936 // First, get all of the original fields 1937 $user_obj = get_userdata( $ID ); 1938 if ( ! $user_obj ) { 1939 return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) ); 1940 } 1941 1942 $user = $user_obj->to_array(); 1943 1944 // Add additional custom fields 1945 foreach ( _get_additional_user_keys( $user_obj ) as $key ) { 1946 $user[ $key ] = get_user_meta( $ID, $key, true ); 1947 } 1948 1949 // Escape data pulled from DB. 1950 $user = add_magic_quotes( $user ); 1951 1952 if ( ! empty( $userdata['user_pass'] ) && $userdata['user_pass'] !== $user_obj->user_pass ) { 1953 // If password is changing, hash it now 1954 $plaintext_pass = $userdata['user_pass']; 1955 $userdata['user_pass'] = wp_hash_password( $userdata['user_pass'] ); 1956 1957 /** 1958 * Filters whether to send the password change email. 1959 * 1960 * @since 4.3.0 1961 * 1962 * @see wp_insert_user() For `$user` and `$userdata` fields. 1963 * 1964 * @param bool $send Whether to send the email. 1965 * @param array $user The original user array. 1966 * @param array $userdata The updated user array. 1967 */ 1968 $send_password_change_email = apply_filters( 'send_password_change_email', true, $user, $userdata ); 1969 } 1970 1971 if ( isset( $userdata['user_email'] ) && $user['user_email'] !== $userdata['user_email'] ) { 1972 /** 1973 * Filters whether to send the email change email. 1974 * 1975 * @since 4.3.0 1976 * 1977 * @see wp_insert_user() For `$user` and `$userdata` fields. 1978 * 1979 * @param bool $send Whether to send the email. 1980 * @param array $user The original user array. 1981 * @param array $userdata The updated user array. 1982 */ 1983 $send_email_change_email = apply_filters( 'send_email_change_email', true, $user, $userdata ); 1984 } 1985 1986 clean_user_cache( $user_obj ); 1987 1988 // Merge old and new fields with new fields overwriting old ones. 1989 $userdata = array_merge( $user, $userdata ); 1990 $user_id = wp_insert_user( $userdata ); 1991 1992 if ( ! is_wp_error( $user_id ) ) { 1993 1994 $blog_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 1995 1996 $switched_locale = false; 1997 if ( ! empty( $send_password_change_email ) || ! empty( $send_email_change_email ) ) { 1998 $switched_locale = switch_to_locale( get_user_locale( $user_id ) ); 1999 } 2000 2001 if ( ! empty( $send_password_change_email ) ) { 2002 /* translators: Do not translate USERNAME, ADMIN_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */ 2003 $pass_change_text = __( 2004 'Hi ###USERNAME###, 2005 2006 This notice confirms that your password was changed on ###SITENAME###. 2007 2008 If you did not change your password, please contact the Site Administrator at 2009 ###ADMIN_EMAIL### 2010 2011 This email has been sent to ###EMAIL### 2012 2013 Regards, 2014 All at ###SITENAME### 2015 ###SITEURL###' 2016 ); 2017 2018 $pass_change_email = array( 2019 'to' => $user['user_email'], 2020 /* translators: Password change notification email subject. %s: Site title. */ 2021 'subject' => __( '[%s] Password Changed' ), 2022 'message' => $pass_change_text, 2023 'headers' => '', 2024 ); 2025 2026 /** 2027 * Filters the contents of the email sent when the user's password is changed. 2028 * 2029 * @since 4.3.0 2030 * 2031 * @param array $pass_change_email { 2032 * Used to build wp_mail(). 2033 * @type string $to The intended recipients. Add emails in a comma separated string. 2034 * @type string $subject The subject of the email. 2035 * @type string $message The content of the email. 2036 * The following strings have a special meaning and will get replaced dynamically: 2037 * - ###USERNAME### The current user's username. 2038 * - ###ADMIN_EMAIL### The admin email in case this was unexpected. 2039 * - ###EMAIL### The user's email address. 2040 * - ###SITENAME### The name of the site. 2041 * - ###SITEURL### The URL to the site. 2042 * @type string $headers Headers. Add headers in a newline (\r\n) separated string. 2043 * } 2044 * @param array $user The original user array. 2045 * @param array $userdata The updated user array. 2046 */ 2047 $pass_change_email = apply_filters( 'password_change_email', $pass_change_email, $user, $userdata ); 2048 2049 $pass_change_email['message'] = str_replace( '###USERNAME###', $user['user_login'], $pass_change_email['message'] ); 2050 $pass_change_email['message'] = str_replace( '###ADMIN_EMAIL###', get_option( 'admin_email' ), $pass_change_email['message'] ); 2051 $pass_change_email['message'] = str_replace( '###EMAIL###', $user['user_email'], $pass_change_email['message'] ); 2052 $pass_change_email['message'] = str_replace( '###SITENAME###', $blog_name, $pass_change_email['message'] ); 2053 $pass_change_email['message'] = str_replace( '###SITEURL###', home_url(), $pass_change_email['message'] ); 2054 2055 wp_mail( $pass_change_email['to'], sprintf( $pass_change_email['subject'], $blog_name ), $pass_change_email['message'], $pass_change_email['headers'] ); 2056 } 2057 2058 if ( ! empty( $send_email_change_email ) ) { 2059 /* translators: Do not translate USERNAME, ADMIN_EMAIL, NEW_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */ 2060 $email_change_text = __( 2061 'Hi ###USERNAME###, 2062 2063 This notice confirms that your email address on ###SITENAME### was changed to ###NEW_EMAIL###. 2064 2065 If you did not change your email, please contact the Site Administrator at 2066 ###ADMIN_EMAIL### 2067 2068 This email has been sent to ###EMAIL### 2069 2070 Regards, 2071 All at ###SITENAME### 2072 ###SITEURL###' 2073 ); 2074 2075 $email_change_email = array( 2076 'to' => $user['user_email'], 2077 /* translators: Email change notification email subject. %s: Site title. */ 2078 'subject' => __( '[%s] Email Changed' ), 2079 'message' => $email_change_text, 2080 'headers' => '', 2081 ); 2082 2083 /** 2084 * Filters the contents of the email sent when the user's email is changed. 2085 * 2086 * @since 4.3.0 2087 * 2088 * @param array $email_change_email { 2089 * Used to build wp_mail(). 2090 * @type string $to The intended recipients. 2091 * @type string $subject The subject of the email. 2092 * @type string $message The content of the email. 2093 * The following strings have a special meaning and will get replaced dynamically: 2094 * - ###USERNAME### The current user's username. 2095 * - ###ADMIN_EMAIL### The admin email in case this was unexpected. 2096 * - ###NEW_EMAIL### The new email address. 2097 * - ###EMAIL### The old email address. 2098 * - ###SITENAME### The name of the site. 2099 * - ###SITEURL### The URL to the site. 2100 * @type string $headers Headers. 2101 * } 2102 * @param array $user The original user array. 2103 * @param array $userdata The updated user array. 2104 */ 2105 $email_change_email = apply_filters( 'email_change_email', $email_change_email, $user, $userdata ); 2106 2107 $email_change_email['message'] = str_replace( '###USERNAME###', $user['user_login'], $email_change_email['message'] ); 2108 $email_change_email['message'] = str_replace( '###ADMIN_EMAIL###', get_option( 'admin_email' ), $email_change_email['message'] ); 2109 $email_change_email['message'] = str_replace( '###NEW_EMAIL###', $userdata['user_email'], $email_change_email['message'] ); 2110 $email_change_email['message'] = str_replace( '###EMAIL###', $user['user_email'], $email_change_email['message'] ); 2111 $email_change_email['message'] = str_replace( '###SITENAME###', $blog_name, $email_change_email['message'] ); 2112 $email_change_email['message'] = str_replace( '###SITEURL###', home_url(), $email_change_email['message'] ); 2113 2114 wp_mail( $email_change_email['to'], sprintf( $email_change_email['subject'], $blog_name ), $email_change_email['message'], $email_change_email['headers'] ); 2115 } 2116 2117 if ( $switched_locale ) { 2118 restore_previous_locale(); 2119 } 2120 } 2121 2122 // Update the cookies if the password changed. 2123 $current_user = wp_get_current_user(); 2124 if ( $current_user->ID == $ID ) { 2125 if ( isset( $plaintext_pass ) ) { 2126 wp_clear_auth_cookie(); 2127 2128 // Here we calculate the expiration length of the current auth cookie and compare it to the default expiration. 2129 // If it's greater than this, then we know the user checked 'Remember Me' when they logged in. 2130 $logged_in_cookie = wp_parse_auth_cookie( '', 'logged_in' ); 2131 /** This filter is documented in wp-includes/pluggable.php */ 2132 $default_cookie_life = apply_filters( 'auth_cookie_expiration', ( 2 * DAY_IN_SECONDS ), $ID, false ); 2133 $remember = false; 2134 if ( false !== $logged_in_cookie && ( $logged_in_cookie['expiration'] - time() ) > $default_cookie_life ) { 2135 $remember = true; 2136 } 2137 2138 wp_set_auth_cookie( $ID, $remember ); 2139 } 2140 } 2141 2142 return $user_id; 2143 } 2144 2145 /** 2146 * A simpler way of inserting a user into the database. 2147 * 2148 * Creates a new user with just the username, password, and email. For more 2149 * complex user creation use wp_insert_user() to specify more information. 2150 * 2151 * @since 2.0.0 2152 * @see wp_insert_user() More complete way to create a new user 2153 * 2154 * @param string $username The user's username. 2155 * @param string $password The user's password. 2156 * @param string $email Optional. The user's email. Default empty. 2157 * @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not 2158 * be created. 2159 */ 2160 function wp_create_user( $username, $password, $email = '' ) { 2161 $user_login = wp_slash( $username ); 2162 $user_email = wp_slash( $email ); 2163 $user_pass = $password; 2164 2165 $userdata = compact( 'user_login', 'user_email', 'user_pass' ); 2166 return wp_insert_user( $userdata ); 2167 } 2168 2169 /** 2170 * Returns a list of meta keys to be (maybe) populated in wp_update_user(). 2171 * 2172 * The list of keys returned via this function are dependent on the presence 2173 * of those keys in the user meta data to be set. 2174 * 2175 * @since 3.3.0 2176 * @access private 2177 * 2178 * @param WP_User $user WP_User instance. 2179 * @return string[] List of user keys to be populated in wp_update_user(). 2180 */ 2181 function _get_additional_user_keys( $user ) { 2182 $keys = array( 'first_name', 'last_name', 'nickname', 'description', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl', 'show_admin_bar_front', 'locale' ); 2183 return array_merge( $keys, array_keys( wp_get_user_contact_methods( $user ) ) ); 2184 } 2185 2186 /** 2187 * Set up the user contact methods. 2188 * 2189 * Default contact methods were removed in 3.6. A filter dictates contact methods. 2190 * 2191 * @since 3.7.0 2192 * 2193 * @param WP_User $user Optional. WP_User object. 2194 * @return string[] Array of contact method labels keyed by contact method. 2195 */ 2196 function wp_get_user_contact_methods( $user = null ) { 2197 $methods = array(); 2198 if ( get_site_option( 'initial_db_version' ) < 23588 ) { 2199 $methods = array( 2200 'aim' => __( 'AIM' ), 2201 'yim' => __( 'Yahoo IM' ), 2202 'jabber' => __( 'Jabber / Google Talk' ), 2203 ); 2204 } 2205 2206 /** 2207 * Filters the user contact methods. 2208 * 2209 * @since 2.9.0 2210 * 2211 * @param string[] $methods Array of contact method labels keyed by contact method. 2212 * @param WP_User $user WP_User object. 2213 */ 2214 return apply_filters( 'user_contactmethods', $methods, $user ); 2215 } 2216 2217 /** 2218 * The old private function for setting up user contact methods. 2219 * 2220 * Use wp_get_user_contact_methods() instead. 2221 * 2222 * @since 2.9.0 2223 * @access private 2224 * 2225 * @param WP_User $user Optional. WP_User object. Default null. 2226 * @return string[] Array of contact method labels keyed by contact method. 2227 */ 2228 function _wp_get_user_contactmethods( $user = null ) { 2229 return wp_get_user_contact_methods( $user ); 2230 } 2231 2232 /** 2233 * Gets the text suggesting how to create strong passwords. 2234 * 2235 * @since 4.1.0 2236 * 2237 * @return string The password hint text. 2238 */ 2239 function wp_get_password_hint() { 2240 $hint = __( 'Hint: The password should be at least twelve characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ & ).' ); 2241 2242 /** 2243 * Filters the text describing the site's password complexity policy. 2244 * 2245 * @since 4.1.0 2246 * 2247 * @param string $hint The password hint text. 2248 */ 2249 return apply_filters( 'password_hint', $hint ); 2250 } 2251 2252 /** 2253 * Creates, stores, then returns a password reset key for user. 2254 * 2255 * @since 4.4.0 2256 * 2257 * @global PasswordHash $wp_hasher Portable PHP password hashing framework. 2258 * 2259 * @param WP_User $user User to retrieve password reset key for. 2260 * 2261 * @return string|WP_Error Password reset key on success. WP_Error on error. 2262 */ 2263 function get_password_reset_key( $user ) { 2264 global $wp_hasher; 2265 2266 if ( ! ( $user instanceof WP_User ) ) { 2267 return new WP_Error( 'invalidcombo', __( '<strong>ERROR</strong>: There is no account with that username or email address.' ) ); 2268 } 2269 2270 /** 2271 * Fires before a new password is retrieved. 2272 * 2273 * Use the {@see 'retrieve_password'} hook instead. 2274 * 2275 * @since 1.5.0 2276 * @deprecated 1.5.1 Misspelled. Use {@see 'retrieve_password'} hook instead. 2277 * 2278 * @param string $user_login The user login name. 2279 */ 2280 do_action_deprecated( 'retreive_password', array( $user->user_login ), '1.5.1', 'retrieve_password' ); 2281 2282 /** 2283 * Fires before a new password is retrieved. 2284 * 2285 * @since 1.5.1 2286 * 2287 * @param string $user_login The user login name. 2288 */ 2289 do_action( 'retrieve_password', $user->user_login ); 2290 2291 $allow = true; 2292 if ( is_multisite() && is_user_spammy( $user ) ) { 2293 $allow = false; 2294 } 2295 2296 /** 2297 * Filters whether to allow a password to be reset. 2298 * 2299 * @since 2.7.0 2300 * 2301 * @param bool $allow Whether to allow the password to be reset. Default true. 2302 * @param int $user_data->ID The ID of the user attempting to reset a password. 2303 */ 2304 $allow = apply_filters( 'allow_password_reset', $allow, $user->ID ); 2305 2306 if ( ! $allow ) { 2307 return new WP_Error( 'no_password_reset', __( 'Password reset is not allowed for this user' ) ); 2308 } elseif ( is_wp_error( $allow ) ) { 2309 return $allow; 2310 } 2311 2312 // Generate something random for a password reset key. 2313 $key = wp_generate_password( 20, false ); 2314 2315 /** 2316 * Fires when a password reset key is generated. 2317 * 2318 * @since 2.5.0 2319 * 2320 * @param string $user_login The username for the user. 2321 * @param string $key The generated password reset key. 2322 */ 2323 do_action( 'retrieve_password_key', $user->user_login, $key ); 2324 2325 // Now insert the key, hashed, into the DB. 2326 if ( empty( $wp_hasher ) ) { 2327 require_once ABSPATH . WPINC . '/class-phpass.php'; 2328 $wp_hasher = new PasswordHash( 8, true ); 2329 } 2330 2331 $hashed = time() . ':' . $wp_hasher->HashPassword( $key ); 2332 2333 $key_saved = wp_update_user( 2334 array( 2335 'ID' => $user->ID, 2336 'user_activation_key' => $hashed, 2337 ) 2338 ); 2339 2340 if ( is_wp_error( $key_saved ) ) { 2341 return $key_saved; 2342 } 2343 2344 return $key; 2345 } 2346 2347 /** 2348 * Retrieves a user row based on password reset key and login 2349 * 2350 * A key is considered 'expired' if it exactly matches the value of the 2351 * user_activation_key field, rather than being matched after going through the 2352 * hashing process. This field is now hashed; old values are no longer accepted 2353 * but have a different WP_Error code so good user feedback can be provided. 2354 * 2355 * @since 3.1.0 2356 * 2357 * @global wpdb $wpdb WordPress database object for queries. 2358 * @global PasswordHash $wp_hasher Portable PHP password hashing framework instance. 2359 * 2360 * @param string $key Hash to validate sending user's password. 2361 * @param string $login The user login. 2362 * @return WP_User|WP_Error WP_User object on success, WP_Error object for invalid or expired keys. 2363 */ 2364 function check_password_reset_key( $key, $login ) { 2365 global $wpdb, $wp_hasher; 2366 2367 $key = preg_replace( '/[^a-z0-9]/i', '', $key ); 2368 2369 if ( empty( $key ) || ! is_string( $key ) ) { 2370 return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); 2371 } 2372 2373 if ( empty( $login ) || ! is_string( $login ) ) { 2374 return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); 2375 } 2376 2377 $user = get_user_by( 'login', $login ); 2378 2379 if ( ! $user ) { 2380 return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); 2381 } 2382 2383 if ( empty( $wp_hasher ) ) { 2384 require_once ABSPATH . WPINC . '/class-phpass.php'; 2385 $wp_hasher = new PasswordHash( 8, true ); 2386 } 2387 2388 /** 2389 * Filters the expiration time of password reset keys. 2390 * 2391 * @since 4.3.0 2392 * 2393 * @param int $expiration The expiration time in seconds. 2394 */ 2395 $expiration_duration = apply_filters( 'password_reset_expiration', DAY_IN_SECONDS ); 2396 2397 if ( false !== strpos( $user->user_activation_key, ':' ) ) { 2398 list( $pass_request_time, $pass_key ) = explode( ':', $user->user_activation_key, 2 ); 2399 $expiration_time = $pass_request_time + $expiration_duration; 2400 } else { 2401 $pass_key = $user->user_activation_key; 2402 $expiration_time = false; 2403 } 2404 2405 if ( ! $pass_key ) { 2406 return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); 2407 } 2408 2409 $hash_is_correct = $wp_hasher->CheckPassword( $key, $pass_key ); 2410 2411 if ( $hash_is_correct && $expiration_time && time() < $expiration_time ) { 2412 return $user; 2413 } elseif ( $hash_is_correct && $expiration_time ) { 2414 // Key has an expiration time that's passed 2415 return new WP_Error( 'expired_key', __( 'Invalid key.' ) ); 2416 } 2417 2418 if ( hash_equals( $user->user_activation_key, $key ) || ( $hash_is_correct && ! $expiration_time ) ) { 2419 $return = new WP_Error( 'expired_key', __( 'Invalid key.' ) ); 2420 $user_id = $user->ID; 2421 2422 /** 2423 * Filters the return value of check_password_reset_key() when an 2424 * old-style key is used. 2425 * 2426 * @since 3.7.0 Previously plain-text keys were stored in the database. 2427 * @since 4.3.0 Previously key hashes were stored without an expiration time. 2428 * 2429 * @param WP_Error $return A WP_Error object denoting an expired key. 2430 * Return a WP_User object to validate the key. 2431 * @param int $user_id The matched user ID. 2432 */ 2433 return apply_filters( 'password_reset_key_expired', $return, $user_id ); 2434 } 2435 2436 return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); 2437 } 2438 2439 /** 2440 * Handles resetting the user's password. 2441 * 2442 * @since 2.5.0 2443 * 2444 * @param WP_User $user The user 2445 * @param string $new_pass New password for the user in plaintext 2446 */ 2447 function reset_password( $user, $new_pass ) { 2448 /** 2449 * Fires before the user's password is reset. 2450 * 2451 * @since 1.5.0 2452 * 2453 * @param WP_User $user The user. 2454 * @param string $new_pass New user password. 2455 */ 2456 do_action( 'password_reset', $user, $new_pass ); 2457 2458 wp_set_password( $new_pass, $user->ID ); 2459 update_user_option( $user->ID, 'default_password_nag', false, true ); 2460 2461 /** 2462 * Fires after the user's password is reset. 2463 * 2464 * @since 4.4.0 2465 * 2466 * @param WP_User $user The user. 2467 * @param string $new_pass New user password. 2468 */ 2469 do_action( 'after_password_reset', $user, $new_pass ); 2470 } 2471 2472 /** 2473 * Handles registering a new user. 2474 * 2475 * @since 2.5.0 2476 * 2477 * @param string $user_login User's username for logging in 2478 * @param string $user_email User's email address to send password and add 2479 * @return int|WP_Error Either user's ID or error on failure. 2480 */ 2481 function register_new_user( $user_login, $user_email ) { 2482 $errors = new WP_Error(); 2483 2484 $sanitized_user_login = sanitize_user( $user_login ); 2485 /** 2486 * Filters the email address of a user being registered. 2487 * 2488 * @since 2.1.0 2489 * 2490 * @param string $user_email The email address of the new user. 2491 */ 2492 $user_email = apply_filters( 'user_registration_email', $user_email ); 2493 2494 // Check the username 2495 if ( $sanitized_user_login == '' ) { 2496 $errors->add( 'empty_username', __( '<strong>ERROR</strong>: Please enter a username.' ) ); 2497 } elseif ( ! validate_username( $user_login ) ) { 2498 $errors->add( 'invalid_username', __( '<strong>ERROR</strong>: This username is invalid because it uses illegal characters. Please enter a valid username.' ) ); 2499 $sanitized_user_login = ''; 2500 } elseif ( username_exists( $sanitized_user_login ) ) { 2501 $errors->add( 'username_exists', __( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' ) ); 2502 2503 } else { 2504 /** This filter is documented in wp-includes/user.php */ 2505 $illegal_user_logins = (array) apply_filters( 'illegal_user_logins', array() ); 2506 if ( in_array( strtolower( $sanitized_user_login ), array_map( 'strtolower', $illegal_user_logins ), true ) ) { 2507 $errors->add( 'invalid_username', __( '<strong>ERROR</strong>: Sorry, that username is not allowed.' ) ); 2508 } 2509 } 2510 2511 // Check the email address 2512 if ( $user_email == '' ) { 2513 $errors->add( 'empty_email', __( '<strong>ERROR</strong>: Please type your email address.' ) ); 2514 } elseif ( ! is_email( $user_email ) ) { 2515 $errors->add( 'invalid_email', __( '<strong>ERROR</strong>: The email address isn’t correct.' ) ); 2516 $user_email = ''; 2517 } elseif ( email_exists( $user_email ) ) { 2518 $errors->add( 'email_exists', __( '<strong>ERROR</strong>: This email is already registered, please choose another one.' ) ); 2519 } 2520 2521 /** 2522 * Fires when submitting registration form data, before the user is created. 2523 * 2524 * @since 2.1.0 2525 * 2526 * @param string $sanitized_user_login The submitted username after being sanitized. 2527 * @param string $user_email The submitted email. 2528 * @param WP_Error $errors Contains any errors with submitted username and email, 2529 * e.g., an empty field, an invalid username or email, 2530 * or an existing username or email. 2531 */ 2532 do_action( 'register_post', $sanitized_user_login, $user_email, $errors ); 2533 2534 /** 2535 * Filters the errors encountered when a new user is being registered. 2536 * 2537 * The filtered WP_Error object may, for example, contain errors for an invalid 2538 * or existing username or email address. A WP_Error object should always returned, 2539 * but may or may not contain errors. 2540 * 2541 * If any errors are present in $errors, this will abort the user's registration. 2542 * 2543 * @since 2.1.0 2544 * 2545 * @param WP_Error $errors A WP_Error object containing any errors encountered 2546 * during registration. 2547 * @param string $sanitized_user_login User's username after it has been sanitized. 2548 * @param string $user_email User's email. 2549 */ 2550 $errors = apply_filters( 'registration_errors', $errors, $sanitized_user_login, $user_email ); 2551 2552 if ( $errors->has_errors() ) { 2553 return $errors; 2554 } 2555 2556 $user_pass = wp_generate_password( 12, false ); 2557 $user_id = wp_create_user( $sanitized_user_login, $user_pass, $user_email ); 2558 if ( ! $user_id || is_wp_error( $user_id ) ) { 2559 $errors->add( 2560 'registerfail', 2561 sprintf( 2562 /* translators: %s: Admin email address. */ 2563 __( '<strong>ERROR</strong>: Couldn’t register you… please contact the <a href="mailto:%s">webmaster</a> !' ), 2564 get_option( 'admin_email' ) 2565 ) 2566 ); 2567 return $errors; 2568 } 2569 2570 update_user_option( $user_id, 'default_password_nag', true, true ); //Set up the Password change nag. 2571 2572 /** 2573 * Fires after a new user registration has been recorded. 2574 * 2575 * @since 4.4.0 2576 * 2577 * @param int $user_id ID of the newly registered user. 2578 */ 2579 do_action( 'register_new_user', $user_id ); 2580 2581 return $user_id; 2582 } 2583 2584 /** 2585 * Initiates email notifications related to the creation of new users. 2586 * 2587 * Notifications are sent both to the site admin and to the newly created user. 2588 * 2589 * @since 4.4.0 2590 * @since 4.6.0 Converted the `$notify` parameter to accept 'user' for sending 2591 * notifications only to the user created. 2592 * 2593 * @param int $user_id ID of the newly created user. 2594 * @param string $notify Optional. Type of notification that should happen. Accepts 'admin' 2595 * or an empty string (admin only), 'user', or 'both' (admin and user). 2596 * Default 'both'. 2597 */ 2598 function wp_send_new_user_notifications( $user_id, $notify = 'both' ) { 2599 wp_new_user_notification( $user_id, null, $notify ); 2600 } 2601 2602 /** 2603 * Retrieve the current session token from the logged_in cookie. 2604 * 2605 * @since 4.0.0 2606 * 2607 * @return string Token. 2608 */ 2609 function wp_get_session_token() { 2610 $cookie = wp_parse_auth_cookie( '', 'logged_in' ); 2611 return ! empty( $cookie['token'] ) ? $cookie['token'] : ''; 2612 } 2613 2614 /** 2615 * Retrieve a list of sessions for the current user. 2616 * 2617 * @since 4.0.0 2618 * @return array Array of sessions. 2619 */ 2620 function wp_get_all_sessions() { 2621 $manager = WP_Session_Tokens::get_instance( get_current_user_id() ); 2622 return $manager->get_all(); 2623 } 2624 2625 /** 2626 * Remove the current session token from the database. 2627 * 2628 * @since 4.0.0 2629 */ 2630 function wp_destroy_current_session() { 2631 $token = wp_get_session_token(); 2632 if ( $token ) { 2633 $manager = WP_Session_Tokens::get_instance( get_current_user_id() ); 2634 $manager->destroy( $token ); 2635 } 2636 } 2637 2638 /** 2639 * Remove all but the current session token for the current user for the database. 2640 * 2641 * @since 4.0.0 2642 */ 2643 function wp_destroy_other_sessions() { 2644 $token = wp_get_session_token(); 2645 if ( $token ) { 2646 $manager = WP_Session_Tokens::get_instance( get_current_user_id() ); 2647 $manager->destroy_others( $token ); 2648 } 2649 } 2650 2651 /** 2652 * Remove all session tokens for the current user from the database. 2653 * 2654 * @since 4.0.0 2655 */ 2656 function wp_destroy_all_sessions() { 2657 $manager = WP_Session_Tokens::get_instance( get_current_user_id() ); 2658 $manager->destroy_all(); 2659 } 2660 2661 /** 2662 * Get the user IDs of all users with no role on this site. 2663 * 2664 * @since 4.4.0 2665 * @since 4.9.0 The `$site_id` parameter was added to support multisite. 2666 * 2667 * @param int|null $site_id Optional. The site ID to get users with no role for. Defaults to the current site. 2668 * @return string[] Array of user IDs as strings. 2669 */ 2670 function wp_get_users_with_no_role( $site_id = null ) { 2671 global $wpdb; 2672 2673 if ( ! $site_id ) { 2674 $site_id = get_current_blog_id(); 2675 } 2676 2677 $prefix = $wpdb->get_blog_prefix( $site_id ); 2678 2679 if ( is_multisite() && $site_id != get_current_blog_id() ) { 2680 switch_to_blog( $site_id ); 2681 $role_names = wp_roles()->get_names(); 2682 restore_current_blog(); 2683 } else { 2684 $role_names = wp_roles()->get_names(); 2685 } 2686 2687 $regex = implode( '|', array_keys( $role_names ) ); 2688 $regex = preg_replace( '/[^a-zA-Z_\|-]/', '', $regex ); 2689 $users = $wpdb->get_col( 2690 $wpdb->prepare( 2691 " 2692 SELECT user_id 2693 FROM $wpdb->usermeta 2694 WHERE meta_key = '{$prefix}capabilities' 2695 AND meta_value NOT REGEXP %s 2696 ", 2697 $regex 2698 ) 2699 ); 2700 2701 return $users; 2702 } 2703 2704 /** 2705 * Retrieves the current user object. 2706 * 2707 * Will set the current user, if the current user is not set. The current user 2708 * will be set to the logged-in person. If no user is logged-in, then it will 2709 * set the current user to 0, which is invalid and won't have any permissions. 2710 * 2711 * This function is used by the pluggable functions wp_get_current_user() and 2712 * get_currentuserinfo(), the latter of which is deprecated but used for backward 2713 * compatibility. 2714 * 2715 * @since 4.5.0 2716 * @access private 2717 * 2718 * @see wp_get_current_user() 2719 * @global WP_User $current_user Checks if the current user is set. 2720 * 2721 * @return WP_User Current WP_User instance. 2722 */ 2723 function _wp_get_current_user() { 2724 global $current_user; 2725 2726 if ( ! empty( $current_user ) ) { 2727 if ( $current_user instanceof WP_User ) { 2728 return $current_user; 2729 } 2730 2731 // Upgrade stdClass to WP_User 2732 if ( is_object( $current_user ) && isset( $current_user->ID ) ) { 2733 $cur_id = $current_user->ID; 2734 $current_user = null; 2735 wp_set_current_user( $cur_id ); 2736 return $current_user; 2737 } 2738 2739 // $current_user has a junk value. Force to WP_User with ID 0. 2740 $current_user = null; 2741 wp_set_current_user( 0 ); 2742 return $current_user; 2743 } 2744 2745 if ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) { 2746 wp_set_current_user( 0 ); 2747 return $current_user; 2748 } 2749 2750 /** 2751 * Filters the current user. 2752 * 2753 * The default filters use this to determine the current user from the 2754 * request's cookies, if available. 2755 * 2756 * Returning a value of false will effectively short-circuit setting 2757 * the current user. 2758 * 2759 * @since 3.9.0 2760 * 2761 * @param int|bool $user_id User ID if one has been determined, false otherwise. 2762 */ 2763 $user_id = apply_filters( 'determine_current_user', false ); 2764 if ( ! $user_id ) { 2765 wp_set_current_user( 0 ); 2766 return $current_user; 2767 } 2768 2769 wp_set_current_user( $user_id ); 2770 2771 return $current_user; 2772 } 2773 2774 /** 2775 * Send a confirmation request email when a change of user email address is attempted. 2776 * 2777 * @since 3.0.0 2778 * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific. 2779 * 2780 * @global WP_Error $errors WP_Error object. 2781 */ 2782 function send_confirmation_on_profile_email() { 2783 global $errors; 2784 2785 $current_user = wp_get_current_user(); 2786 if ( ! is_object( $errors ) ) { 2787 $errors = new WP_Error(); 2788 } 2789 2790 if ( $current_user->ID != $_POST['user_id'] ) { 2791 return false; 2792 } 2793 2794 if ( $current_user->user_email != $_POST['email'] ) { 2795 if ( ! is_email( $_POST['email'] ) ) { 2796 $errors->add( 2797 'user_email', 2798 __( '<strong>ERROR</strong>: The email address isn’t correct.' ), 2799 array( 2800 'form-field' => 'email', 2801 ) 2802 ); 2803 2804 return; 2805 } 2806 2807 if ( email_exists( $_POST['email'] ) ) { 2808 $errors->add( 2809 'user_email', 2810 __( '<strong>ERROR</strong>: The email address is already used.' ), 2811 array( 2812 'form-field' => 'email', 2813 ) 2814 ); 2815 delete_user_meta( $current_user->ID, '_new_email' ); 2816 2817 return; 2818 } 2819 2820 $hash = md5( $_POST['email'] . time() . wp_rand() ); 2821 $new_user_email = array( 2822 'hash' => $hash, 2823 'newemail' => $_POST['email'], 2824 ); 2825 update_user_meta( $current_user->ID, '_new_email', $new_user_email ); 2826 2827 $sitename = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); 2828 2829 /* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */ 2830 $email_text = __( 2831 'Howdy ###USERNAME###, 2832 2833 You recently requested to have the email address on your account changed. 2834 2835 If this is correct, please click on the following link to change it: 2836 ###ADMIN_URL### 2837 2838 You can safely ignore and delete this email if you do not want to 2839 take this action. 2840 2841 This email has been sent to ###EMAIL### 2842 2843 Regards, 2844 All at ###SITENAME### 2845 ###SITEURL###' 2846 ); 2847 2848 /** 2849 * Filters the text of the email sent when a change of user email address is attempted. 2850 * 2851 * The following strings have a special meaning and will get replaced dynamically: 2852 * ###USERNAME### The current user's username. 2853 * ###ADMIN_URL### The link to click on to confirm the email change. 2854 * ###EMAIL### The new email. 2855 * ###SITENAME### The name of the site. 2856 * ###SITEURL### The URL to the site. 2857 * 2858 * @since MU (3.0.0) 2859 * @since 4.9.0 This filter is no longer Multisite specific. 2860 * 2861 * @param string $email_text Text in the email. 2862 * @param array $new_user_email { 2863 * Data relating to the new user email address. 2864 * 2865 * @type string $hash The secure hash used in the confirmation link URL. 2866 * @type string $newemail The proposed new email address. 2867 * } 2868 */ 2869 $content = apply_filters( 'new_user_email_content', $email_text, $new_user_email ); 2870 2871 $content = str_replace( '###USERNAME###', $current_user->user_login, $content ); 2872 $content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'profile.php?newuseremail=' . $hash ) ), $content ); 2873 $content = str_replace( '###EMAIL###', $_POST['email'], $content ); 2874 $content = str_replace( '###SITENAME###', $sitename, $content ); 2875 $content = str_replace( '###SITEURL###', home_url(), $content ); 2876 2877 /* translators: New email address notification email subject. %s: Site title. */ 2878 wp_mail( $_POST['email'], sprintf( __( '[%s] Email Change Request' ), $sitename ), $content ); 2879 2880 $_POST['email'] = $current_user->user_email; 2881 } 2882 } 2883 2884 /** 2885 * Adds an admin notice alerting the user to check for confirmation request email 2886 * after email address change. 2887 * 2888 * @since 3.0.0 2889 * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific. 2890 * 2891 * @global string $pagenow 2892 */ 2893 function new_user_email_admin_notice() { 2894 global $pagenow; 2895 2896 if ( 'profile.php' === $pagenow && isset( $_GET['updated'] ) ) { 2897 $email = get_user_meta( get_current_user_id(), '_new_email', true ); 2898 if ( $email ) { 2899 /* translators: %s: New email address. */ 2900 echo '<div class="notice notice-info"><p>' . sprintf( __( 'Your email address has not been updated yet. Please check your inbox at %s for a confirmation email.' ), '<code>' . esc_html( $email['newemail'] ) . '</code>' ) . '</p></div>'; 2901 } 2902 } 2903 } 2904 2905 /** 2906 * Get all user privacy request types. 2907 * 2908 * @since 4.9.6 2909 * @access private 2910 * 2911 * @return array List of core privacy action types. 2912 */ 2913 function _wp_privacy_action_request_types() { 2914 return array( 2915 'export_personal_data', 2916 'remove_personal_data', 2917 ); 2918 } 2919 2920 /** 2921 * Registers the personal data exporter for users. 2922 * 2923 * @since 4.9.6 2924 * 2925 * @param array $exporters An array of personal data exporters. 2926 * @return array An array of personal data exporters. 2927 */ 2928 function wp_register_user_personal_data_exporter( $exporters ) { 2929 $exporters['wordpress-user'] = array( 2930 'exporter_friendly_name' => __( 'WordPress User' ), 2931 'callback' => 'wp_user_personal_data_exporter', 2932 ); 2933 2934 return $exporters; 2935 } 2936 2937 /** 2938 * Finds and exports personal data associated with an email address from the user and user_meta table. 2939 * 2940 * @since 4.9.6 2941 * 2942 * @param string $email_address The users email address. 2943 * @return array An array of personal data. 2944 */ 2945 function wp_user_personal_data_exporter( $email_address ) { 2946 $email_address = trim( $email_address ); 2947 2948 $data_to_export = array(); 2949 2950 $user = get_user_by( 'email', $email_address ); 2951 2952 if ( ! $user ) { 2953 return array( 2954 'data' => array(), 2955 'done' => true, 2956 ); 2957 } 2958 2959 $user_meta = get_user_meta( $user->ID ); 2960 2961 $user_prop_to_export = array( 2962 'ID' => __( 'User ID' ), 2963 'user_login' => __( 'User Login Name' ), 2964 'user_nicename' => __( 'User Nice Name' ), 2965 'user_email' => __( 'User Email' ), 2966 'user_url' => __( 'User URL' ), 2967 'user_registered' => __( 'User Registration Date' ), 2968 'display_name' => __( 'User Display Name' ), 2969 'nickname' => __( 'User Nickname' ), 2970 'first_name' => __( 'User First Name' ), 2971 'last_name' => __( 'User Last Name' ), 2972 'description' => __( 'User Description' ), 2973 ); 2974 2975 $user_data_to_export = array(); 2976 2977 foreach ( $user_prop_to_export as $key => $name ) { 2978 $value = ''; 2979 2980 switch ( $key ) { 2981 case 'ID': 2982 case 'user_login': 2983 case 'user_nicename': 2984 case 'user_email': 2985 case 'user_url': 2986 case 'user_registered': 2987 case 'display_name': 2988 $value = $user->data->$key; 2989 break; 2990 case 'nickname': 2991 case 'first_name': 2992 case 'last_name': 2993 case 'description': 2994 $value = $user_meta[ $key ][0]; 2995 break; 2996 } 2997 2998 if ( ! empty( $value ) ) { 2999 $user_data_to_export[] = array( 3000 'name' => $name, 3001 'value' => $value, 3002 ); 3003 } 3004 } 3005 3006 $data_to_export[] = array( 3007 'group_id' => 'user', 3008 'group_label' => __( 'User' ), 3009 'group_description' => __( 'User’s profile data.' ), 3010 'item_id' => "user-{$user->ID}", 3011 'data' => $user_data_to_export, 3012 ); 3013 3014 return array( 3015 'data' => $data_to_export, 3016 'done' => true, 3017 ); 3018 } 3019 3020 /** 3021 * Update log when privacy request is confirmed. 3022 * 3023 * @since 4.9.6 3024 * @access private 3025 * 3026 * @param int $request_id ID of the request. 3027 */ 3028 function _wp_privacy_account_request_confirmed( $request_id ) { 3029 $request = wp_get_user_request_data( $request_id ); 3030 3031 if ( ! $request ) { 3032 return; 3033 } 3034 3035 if ( ! in_array( $request->status, array( 'request-pending', 'request-failed' ), true ) ) { 3036 return; 3037 } 3038 3039 update_post_meta( $request_id, '_wp_user_request_confirmed_timestamp', time() ); 3040 wp_update_post( 3041 array( 3042 'ID' => $request_id, 3043 'post_status' => 'request-confirmed', 3044 ) 3045 ); 3046 } 3047 3048 /** 3049 * Notify the site administrator via email when a request is confirmed. 3050 * 3051 * Without this, the admin would have to manually check the site to see if any 3052 * action was needed on their part yet. 3053 * 3054 * @since 4.9.6 3055 * 3056 * @param int $request_id The ID of the request. 3057 */ 3058 function _wp_privacy_send_request_confirmation_notification( $request_id ) { 3059 $request = wp_get_user_request_data( $request_id ); 3060 3061 if ( ! is_a( $request, 'WP_User_Request' ) || 'request-confirmed' !== $request->status ) { 3062 return; 3063 } 3064 3065 $already_notified = (bool) get_post_meta( $request_id, '_wp_admin_notified', true ); 3066 3067 if ( $already_notified ) { 3068 return; 3069 } 3070 3071 $manage_url = add_query_arg( 'page', $request->action_name, admin_url( 'tools.php' ) ); 3072 $action_description = wp_user_request_action_description( $request->action_name ); 3073 3074 /** 3075 * Filters the recipient of the data request confirmation notification. 3076 * 3077 * In a Multisite environment, this will default to the email address of the 3078 * network admin because, by default, single site admins do not have the 3079 * capabilities required to process requests. Some networks may wish to 3080 * delegate those capabilities to a single-site admin, or a dedicated person 3081 * responsible for managing privacy requests. 3082 * 3083 * @since 4.9.6 3084 * 3085 * @param string $admin_email The email address of the notification recipient. 3086 * @param WP_User_Request $request The request that is initiating the notification. 3087 */ 3088 $admin_email = apply_filters( 'user_request_confirmed_email_to', get_site_option( 'admin_email' ), $request ); 3089 3090 $email_data = array( 3091 'request' => $request, 3092 'user_email' => $request->email, 3093 'description' => $action_description, 3094 'manage_url' => $manage_url, 3095 'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), 3096 'siteurl' => home_url(), 3097 'admin_email' => $admin_email, 3098 ); 3099 3100 /* translators: Do not translate SITENAME, USER_EMAIL, DESCRIPTION, MANAGE_URL, SITEURL; those are placeholders. */ 3101 $email_text = __( 3102 'Howdy, 3103 3104 A user data privacy request has been confirmed on ###SITENAME###: 3105 3106 User: ###USER_EMAIL### 3107 Request: ###DESCRIPTION### 3108 3109 You can view and manage these data privacy requests here: 3110 3111 ###MANAGE_URL### 3112 3113 Regards, 3114 All at ###SITENAME### 3115 ###SITEURL###' 3116 ); 3117 3118 /** 3119 * Filters the body of the user request confirmation email. 3120 * 3121 * The email is sent to an administrator when an user request is confirmed. 3122 * The following strings have a special meaning and will get replaced dynamically: 3123 * 3124 * ###SITENAME### The name of the site. 3125 * ###USER_EMAIL### The user email for the request. 3126 * ###DESCRIPTION### Description of the action being performed so the user knows what the email is for. 3127 * ###MANAGE_URL### The URL to manage requests. 3128 * ###SITEURL### The URL to the site. 3129 * 3130 * @since 4.9.6 3131 * 3132 * @param string $email_text Text in the email. 3133 * @param array $email_data { 3134 * Data relating to the account action email. 3135 * 3136 * @type WP_User_Request $request User request object. 3137 * @type string $user_email The email address confirming a request 3138 * @type string $description Description of the action being performed so the user knows what the email is for. 3139 * @type string $manage_url The link to click manage privacy requests of this type. 3140 * @type string $sitename The site name sending the mail. 3141 * @type string $siteurl The site URL sending the mail. 3142 * @type string $admin_email The administrator email receiving the mail. 3143 * } 3144 */ 3145 $content = apply_filters( 'user_confirmed_action_email_content', $email_text, $email_data ); 3146 3147 $content = str_replace( '###SITENAME###', $email_data['sitename'], $content ); 3148 $content = str_replace( '###USER_EMAIL###', $email_data['user_email'], $content ); 3149 $content = str_replace( '###DESCRIPTION###', $email_data['description'], $content ); 3150 $content = str_replace( '###MANAGE_URL###', esc_url_raw( $email_data['manage_url'] ), $content ); 3151 $content = str_replace( '###SITEURL###', esc_url_raw( $email_data['siteurl'] ), $content ); 3152 3153 $subject = sprintf( 3154 /* translators: Privacy data request confirmed notification email subject. 1: Site title, 2: Name of the confirmed action. */ 3155 __( '[%1$s] Action Confirmed: %2$s' ), 3156 $email_data['sitename'], 3157 $action_description 3158 ); 3159 3160 /** 3161 * Filters the subject of the user request confirmation email. 3162 * 3163 * @since 4.9.8 3164 * 3165 * @param string $subject The email subject. 3166 * @param string $sitename The name of the site. 3167 * @param array $email_data { 3168 * Data relating to the account action email. 3169 * 3170 * @type WP_User_Request $request User request object. 3171 * @type string $user_email The email address confirming a request 3172 * @type string $description Description of the action being performed so the user knows what the email is for. 3173 * @type string $manage_url The link to click manage privacy requests of this type. 3174 * @type string $sitename The site name sending the mail. 3175 * @type string $siteurl The site URL sending the mail. 3176 * @type string $admin_email The administrator email receiving the mail. 3177 * } 3178 */ 3179 $subject = apply_filters( 'user_request_confirmed_email_subject', $subject, $email_data['sitename'], $email_data ); 3180 3181 $email_sent = wp_mail( $email_data['admin_email'], $subject, $content ); 3182 3183 if ( $email_sent ) { 3184 update_post_meta( $request_id, '_wp_admin_notified', true ); 3185 } 3186 } 3187 3188 /** 3189 * Notify the user when their erasure request is fulfilled. 3190 * 3191 * Without this, the user would never know if their data was actually erased. 3192 * 3193 * @since 4.9.6 3194 * 3195 * @param int $request_id The privacy request post ID associated with this request. 3196 */ 3197 function _wp_privacy_send_erasure_fulfillment_notification( $request_id ) { 3198 $request = wp_get_user_request_data( $request_id ); 3199 3200 if ( ! is_a( $request, 'WP_User_Request' ) || 'request-completed' !== $request->status ) { 3201 return; 3202 } 3203 3204 $already_notified = (bool) get_post_meta( $request_id, '_wp_user_notified', true ); 3205 3206 if ( $already_notified ) { 3207 return; 3208 } 3209 3210 // Localize message content for user; fallback to site default for visitors. 3211 if ( ! empty( $request->user_id ) ) { 3212 $locale = get_user_locale( $request->user_id ); 3213 } else { 3214 $locale = get_locale(); 3215 } 3216 3217 $switched_locale = switch_to_locale( $locale ); 3218 3219 /** 3220 * Filters the recipient of the data erasure fulfillment notification. 3221 * 3222 * @since 4.9.6 3223 * 3224 * @param string $user_email The email address of the notification recipient. 3225 * @param WP_User_Request $request The request that is initiating the notification. 3226 */ 3227 $user_email = apply_filters( 'user_erasure_fulfillment_email_to', $request->email, $request ); 3228 3229 $email_data = array( 3230 'request' => $request, 3231 'message_recipient' => $user_email, 3232 'privacy_policy_url' => get_privacy_policy_url(), 3233 'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), 3234 'siteurl' => home_url(), 3235 ); 3236 3237 $subject = sprintf( 3238 /* translators: Erasure request fulfilled notification email subject. %s: Site title. */ 3239 __( '[%s] Erasure Request Fulfilled' ), 3240 $email_data['sitename'] 3241 ); 3242 3243 /** 3244 * Filters the subject of the email sent when an erasure request is completed. 3245 * 3246 * @since 4.9.8 3247 * 3248 * @param string $subject The email subject. 3249 * @param string $sitename The name of the site. 3250 * @param array $email_data { 3251 * Data relating to the account action email. 3252 * 3253 * @type WP_User_Request $request User request object. 3254 * @type string $message_recipient The address that the email will be sent to. Defaults 3255 * to the value of `$request->email`, but can be changed 3256 * by the `user_erasure_fulfillment_email_to` filter. 3257 * @type string $privacy_policy_url Privacy policy URL. 3258 * @type string $sitename The site name sending the mail. 3259 * @type string $siteurl The site URL sending the mail. 3260 * } 3261 */ 3262 $subject = apply_filters( 'user_erasure_complete_email_subject', $subject, $email_data['sitename'], $email_data ); 3263 3264 if ( empty( $email_data['privacy_policy_url'] ) ) { 3265 /* translators: Do not translate SITENAME, SITEURL; those are placeholders. */ 3266 $email_text = __( 3267 'Howdy, 3268 3269 Your request to erase your personal data on ###SITENAME### has been completed. 3270 3271 If you have any follow-up questions or concerns, please contact the site administrator. 3272 3273 Regards, 3274 All at ###SITENAME### 3275 ###SITEURL###' 3276 ); 3277 } else { 3278 /* translators: Do not translate SITENAME, SITEURL, PRIVACY_POLICY_URL; those are placeholders. */ 3279 $email_text = __( 3280 'Howdy, 3281 3282 Your request to erase your personal data on ###SITENAME### has been completed. 3283 3284 If you have any follow-up questions or concerns, please contact the site administrator. 3285 3286 For more information, you can also read our privacy policy: ###PRIVACY_POLICY_URL### 3287 3288 Regards, 3289 All at ###SITENAME### 3290 ###SITEURL###' 3291 ); 3292 } 3293 3294 /** 3295 * Filters the body of the data erasure fulfillment notification. 3296 * 3297 * The email is sent to a user when a their data erasure request is fulfilled 3298 * by an administrator. 3299 * 3300 * The following strings have a special meaning and will get replaced dynamically: 3301 * 3302 * ###SITENAME### The name of the site. 3303 * ###PRIVACY_POLICY_URL### Privacy policy page URL. 3304 * ###SITEURL### The URL to the site. 3305 * 3306 * @since 4.9.6 3307 * 3308 * @param string $email_text Text in the email. 3309 * @param array $email_data { 3310 * Data relating to the account action email. 3311 * 3312 * @type WP_User_Request $request User request object. 3313 * @type string $message_recipient The address that the email will be sent to. Defaults 3314 * to the value of `$request->email`, but can be changed 3315 * by the `user_erasure_fulfillment_email_to` filter. 3316 * @type string $privacy_policy_url Privacy policy URL. 3317 * @type string $sitename The site name sending the mail. 3318 * @type string $siteurl The site URL sending the mail. 3319 * } 3320 */ 3321 $content = apply_filters( 'user_confirmed_action_email_content', $email_text, $email_data ); 3322 3323 $content = str_replace( '###SITENAME###', $email_data['sitename'], $content ); 3324 $content = str_replace( '###PRIVACY_POLICY_URL###', $email_data['privacy_policy_url'], $content ); 3325 $content = str_replace( '###SITEURL###', esc_url_raw( $email_data['siteurl'] ), $content ); 3326 3327 $email_sent = wp_mail( $user_email, $subject, $content ); 3328 3329 if ( $switched_locale ) { 3330 restore_previous_locale(); 3331 } 3332 3333 if ( $email_sent ) { 3334 update_post_meta( $request_id, '_wp_user_notified', true ); 3335 } 3336 } 3337 3338 /** 3339 * Return request confirmation message HTML. 3340 * 3341 * @since 4.9.6 3342 * @access private 3343 * 3344 * @param int $request_id The request ID being confirmed. 3345 * @return string $message The confirmation message. 3346 */ 3347 function _wp_privacy_account_request_confirmed_message( $request_id ) { 3348 $request = wp_get_user_request_data( $request_id ); 3349 3350 $message = '<p class="success">' . __( 'Action has been confirmed.' ) . '</p>'; 3351 $message .= '<p>' . __( 'The site administrator has been notified and will fulfill your request as soon as possible.' ) . '</p>'; 3352 3353 if ( $request && in_array( $request->action_name, _wp_privacy_action_request_types(), true ) ) { 3354 if ( 'export_personal_data' === $request->action_name ) { 3355 $message = '<p class="success">' . __( 'Thanks for confirming your export request.' ) . '</p>'; 3356 $message .= '<p>' . __( 'The site administrator has been notified. You will receive a link to download your export via email when they fulfill your request.' ) . '</p>'; 3357 } elseif ( 'remove_personal_data' === $request->action_name ) { 3358 $message = '<p class="success">' . __( 'Thanks for confirming your erasure request.' ) . '</p>'; 3359 $message .= '<p>' . __( 'The site administrator has been notified. You will receive an email confirmation when they erase your data.' ) . '</p>'; 3360 } 3361 } 3362 3363 /** 3364 * Filters the message displayed to a user when they confirm a data request. 3365 * 3366 * @since 4.9.6 3367 * 3368 * @param string $message The message to the user. 3369 * @param int $request_id The ID of the request being confirmed. 3370 */ 3371 $message = apply_filters( 'user_request_action_confirmed_message', $message, $request_id ); 3372 3373 return $message; 3374 } 3375 3376 /** 3377 * Create and log a user request to perform a specific action. 3378 * 3379 * Requests are stored inside a post type named `user_request` since they can apply to both 3380 * users on the site, or guests without a user account. 3381 * 3382 * @since 4.9.6 3383 * 3384 * @param string $email_address User email address. This can be the address of a registered or non-registered user. 3385 * @param string $action_name Name of the action that is being confirmed. Required. 3386 * @param array $request_data Misc data you want to send with the verification request and pass to the actions once the request is confirmed. 3387 * @return int|WP_Error Returns the request ID if successful, or a WP_Error object on failure. 3388 */ 3389 function wp_create_user_request( $email_address = '', $action_name = '', $request_data = array() ) { 3390 $email_address = sanitize_email( $email_address ); 3391 $action_name = sanitize_key( $action_name ); 3392 3393 if ( ! is_email( $email_address ) ) { 3394 return new WP_Error( 'invalid_email', __( 'Invalid email address.' ) ); 3395 } 3396 3397 if ( ! $action_name ) { 3398 return new WP_Error( 'invalid_action', __( 'Invalid action name.' ) ); 3399 } 3400 3401 $user = get_user_by( 'email', $email_address ); 3402 $user_id = $user && ! is_wp_error( $user ) ? $user->ID : 0; 3403 3404 // Check for duplicates. 3405 $requests_query = new WP_Query( 3406 array( 3407 'post_type' => 'user_request', 3408 'post_name__in' => array( $action_name ), // Action name stored in post_name column. 3409 'title' => $email_address, // Email address stored in post_title column. 3410 'post_status' => array( 3411 'request-pending', 3412 'request-confirmed', 3413 ), 3414 'fields' => 'ids', 3415 ) 3416 ); 3417 3418 if ( $requests_query->found_posts ) { 3419 return new WP_Error( 'duplicate_request', __( 'An incomplete request for this email address already exists.' ) ); 3420 } 3421 3422 $request_id = wp_insert_post( 3423 array( 3424 'post_author' => $user_id, 3425 'post_name' => $action_name, 3426 'post_title' => $email_address, 3427 'post_content' => wp_json_encode( $request_data ), 3428 'post_status' => 'request-pending', 3429 'post_type' => 'user_request', 3430 'post_date' => current_time( 'mysql', false ), 3431 'post_date_gmt' => current_time( 'mysql', true ), 3432 ), 3433 true 3434 ); 3435 3436 return $request_id; 3437 } 3438 3439 /** 3440 * Get action description from the name and return a string. 3441 * 3442 * @since 4.9.6 3443 * 3444 * @param string $action_name Action name of the request. 3445 * @return string Human readable action name. 3446 */ 3447 function wp_user_request_action_description( $action_name ) { 3448 switch ( $action_name ) { 3449 case 'export_personal_data': 3450 $description = __( 'Export Personal Data' ); 3451 break; 3452 case 'remove_personal_data': 3453 $description = __( 'Erase Personal Data' ); 3454 break; 3455 default: 3456 /* translators: %s: Action name. */ 3457 $description = sprintf( __( 'Confirm the "%s" action' ), $action_name ); 3458 break; 3459 } 3460 3461 /** 3462 * Filters the user action description. 3463 * 3464 * @since 4.9.6 3465 * 3466 * @param string $description The default description. 3467 * @param string $action_name The name of the request. 3468 */ 3469 return apply_filters( 'user_request_action_description', $description, $action_name ); 3470 } 3471 3472 /** 3473 * Send a confirmation request email to confirm an action. 3474 * 3475 * If the request is not already pending, it will be updated. 3476 * 3477 * @since 4.9.6 3478 * 3479 * @param string $request_id ID of the request created via wp_create_user_request(). 3480 * @return bool|WP_Error True on success, `WP_Error` on failure. 3481 */ 3482 function wp_send_user_request( $request_id ) { 3483 $request_id = absint( $request_id ); 3484 $request = wp_get_user_request_data( $request_id ); 3485 3486 if ( ! $request ) { 3487 return new WP_Error( 'invalid_request', __( 'Invalid user request.' ) ); 3488 } 3489 3490 // Localize message content for user; fallback to site default for visitors. 3491 if ( ! empty( $request->user_id ) ) { 3492 $locale = get_user_locale( $request->user_id ); 3493 } else { 3494 $locale = get_locale(); 3495 } 3496 3497 $switched_locale = switch_to_locale( $locale ); 3498 3499 $email_data = array( 3500 'request' => $request, 3501 'email' => $request->email, 3502 'description' => wp_user_request_action_description( $request->action_name ), 3503 'confirm_url' => add_query_arg( 3504 array( 3505 'action' => 'confirmaction', 3506 'request_id' => $request_id, 3507 'confirm_key' => wp_generate_user_request_key( $request_id ), 3508 ), 3509 wp_login_url() 3510 ), 3511 'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), 3512 'siteurl' => home_url(), 3513 ); 3514 3515 /* translators: Do not translate DESCRIPTION, CONFIRM_URL, SITENAME, SITEURL: those are placeholders. */ 3516 $email_text = __( 3517 'Howdy, 3518 3519 A request has been made to perform the following action on your account: 3520 3521 ###DESCRIPTION### 3522 3523 To confirm this, please click on the following link: 3524 ###CONFIRM_URL### 3525 3526 You can safely ignore and delete this email if you do not want to 3527 take this action. 3528 3529 Regards, 3530 All at ###SITENAME### 3531 ###SITEURL###' 3532 ); 3533 3534 /** 3535 * Filters the text of the email sent when an account action is attempted. 3536 * 3537 * The following strings have a special meaning and will get replaced dynamically: 3538 * 3539 * ###DESCRIPTION### Description of the action being performed so the user knows what the email is for. 3540 * ###CONFIRM_URL### The link to click on to confirm the account action. 3541 * ###SITENAME### The name of the site. 3542 * ###SITEURL### The URL to the site. 3543 * 3544 * @since 4.9.6 3545 * 3546 * @param string $email_text Text in the email. 3547 * @param array $email_data { 3548 * Data relating to the account action email. 3549 * 3550 * @type WP_User_Request $request User request object. 3551 * @type string $email The email address this is being sent to. 3552 * @type string $description Description of the action being performed so the user knows what the email is for. 3553 * @type string $confirm_url The link to click on to confirm the account action. 3554 * @type string $sitename The site name sending the mail. 3555 * @type string $siteurl The site URL sending the mail. 3556 * } 3557 */ 3558 $content = apply_filters( 'user_request_action_email_content', $email_text, $email_data ); 3559 3560 $content = str_replace( '###DESCRIPTION###', $email_data['description'], $content ); 3561 $content = str_replace( '###CONFIRM_URL###', esc_url_raw( $email_data['confirm_url'] ), $content ); 3562 $content = str_replace( '###EMAIL###', $email_data['email'], $content ); 3563 $content = str_replace( '###SITENAME###', $email_data['sitename'], $content ); 3564 $content = str_replace( '###SITEURL###', esc_url_raw( $email_data['siteurl'] ), $content ); 3565 3566 /* translators: Confirm privacy data request notification email subject. 1: Site title, 2: Name of the action. */ 3567 $subject = sprintf( __( '[%1$s] Confirm Action: %2$s' ), $email_data['sitename'], $email_data['description'] ); 3568 3569 /** 3570 * Filters the subject of the email sent when an account action is attempted. 3571 * 3572 * @since 4.9.6 3573 * 3574 * @param string $subject The email subject. 3575 * @param string $sitename The name of the site. 3576 * @param array $email_data { 3577 * Data relating to the account action email. 3578 * 3579 * @type WP_User_Request $request User request object. 3580 * @type string $email The email address this is being sent to. 3581 * @type string $description Description of the action being performed so the user knows what the email is for. 3582 * @type string $confirm_url The link to click on to confirm the account action. 3583 * @type string $sitename The site name sending the mail. 3584 * @type string $siteurl The site URL sending the mail. 3585 * } 3586 */ 3587 $subject = apply_filters( 'user_request_action_email_subject', $subject, $email_data['sitename'], $email_data ); 3588 3589 $email_sent = wp_mail( $email_data['email'], $subject, $content ); 3590 3591 if ( $switched_locale ) { 3592 restore_previous_locale(); 3593 } 3594 3595 if ( ! $email_sent ) { 3596 return new WP_Error( 'privacy_email_error', __( 'Unable to send personal data export confirmation email.' ) ); 3597 } 3598 3599 return true; 3600 } 3601 3602 /** 3603 * Returns a confirmation key for a user action and stores the hashed version for future comparison. 3604 * 3605 * @since 4.9.6 3606 * 3607 * @param int $request_id Request ID. 3608 * @return string Confirmation key. 3609 */ 3610 function wp_generate_user_request_key( $request_id ) { 3611 global $wp_hasher; 3612 3613 // Generate something random for a confirmation key. 3614 $key = wp_generate_password( 20, false ); 3615 3616 // Return the key, hashed. 3617 if ( empty( $wp_hasher ) ) { 3618 require_once ABSPATH . WPINC . '/class-phpass.php'; 3619 $wp_hasher = new PasswordHash( 8, true ); 3620 } 3621 3622 wp_update_post( 3623 array( 3624 'ID' => $request_id, 3625 'post_status' => 'request-pending', 3626 'post_password' => $wp_hasher->HashPassword( $key ), 3627 ) 3628 ); 3629 3630 return $key; 3631 } 3632 3633 /** 3634 * Validate a user request by comparing the key with the request's key. 3635 * 3636 * @since 4.9.6 3637 * 3638 * @param string $request_id ID of the request being confirmed. 3639 * @param string $key Provided key to validate. 3640 * @return bool|WP_Error True on success, WP_Error on failure. 3641 */ 3642 function wp_validate_user_request_key( $request_id, $key ) { 3643 global $wp_hasher; 3644 3645 $request_id = absint( $request_id ); 3646 $request = wp_get_user_request_data( $request_id ); 3647 3648 if ( ! $request ) { 3649 return new WP_Error( 'invalid_request', __( 'Invalid request.' ) ); 3650 } 3651 3652 if ( ! in_array( $request->status, array( 'request-pending', 'request-failed' ), true ) ) { 3653 return new WP_Error( 'expired_link', __( 'This link has expired.' ) ); 3654 } 3655 3656 if ( empty( $key ) ) { 3657 return new WP_Error( 'missing_key', __( 'Missing confirm key.' ) ); 3658 } 3659 3660 if ( empty( $wp_hasher ) ) { 3661 require_once ABSPATH . WPINC . '/class-phpass.php'; 3662 $wp_hasher = new PasswordHash( 8, true ); 3663 } 3664 3665 $key_request_time = $request->modified_timestamp; 3666 $saved_key = $request->confirm_key; 3667 3668 if ( ! $saved_key ) { 3669 return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); 3670 } 3671 3672 if ( ! $key_request_time ) { 3673 return new WP_Error( 'invalid_key', __( 'Invalid action.' ) ); 3674 } 3675 3676 /** 3677 * Filters the expiration time of confirm keys. 3678 * 3679 * @since 4.9.6 3680 * 3681 * @param int $expiration The expiration time in seconds. 3682 */ 3683 $expiration_duration = (int) apply_filters( 'user_request_key_expiration', DAY_IN_SECONDS ); 3684 $expiration_time = $key_request_time + $expiration_duration; 3685 3686 if ( ! $wp_hasher->CheckPassword( $key, $saved_key ) ) { 3687 return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); 3688 } 3689 3690 if ( ! $expiration_time || time() > $expiration_time ) { 3691 return new WP_Error( 'expired_key', __( 'The confirmation email has expired.' ) ); 3692 } 3693 3694 return true; 3695 } 3696 3697 /** 3698 * Return data about a user request. 3699 * 3700 * @since 4.9.6 3701 * 3702 * @param int $request_id Request ID to get data about. 3703 * @return WP_User_Request|false 3704 */ 3705 function wp_get_user_request_data( $request_id ) { 3706 $request_id = absint( $request_id ); 3707 $post = get_post( $request_id ); 3708 3709 if ( ! $post || 'user_request' !== $post->post_type ) { 3710 return false; 3711 } 3712 3713 return new WP_User_Request( $post ); 3714 }
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| Generated: Tue Jan 21 01:00:03 2020 | Cross-referenced by PHPXref 0.7.1 |