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1 <?php 2 /** 3 * WordPress user administration API. 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 /** 10 * Creates a new user from the "Users" form using $_POST information. 11 * 12 * @since 2.0.0 13 * 14 * @return int|WP_Error WP_Error or User ID. 15 */ 16 function add_user() { 17 return edit_user(); 18 } 19 20 /** 21 * Edit user settings based on contents of $_POST 22 * 23 * Used on user-edit.php and profile.php to manage and process user options, passwords etc. 24 * 25 * @since 2.0.0 26 * 27 * @param int $user_id Optional. User ID. 28 * @return int|WP_Error User ID of the updated user or WP_Error on failure. 29 */ 30 function edit_user( $user_id = 0 ) { 31 $wp_roles = wp_roles(); 32 $user = new stdClass; 33 $user_id = (int) $user_id; 34 if ( $user_id ) { 35 $update = true; 36 $user->ID = $user_id; 37 $userdata = get_userdata( $user_id ); 38 $user->user_login = wp_slash( $userdata->user_login ); 39 } else { 40 $update = false; 41 } 42 43 if ( ! $update && isset( $_POST['user_login'] ) ) { 44 $user->user_login = sanitize_user( wp_unslash( $_POST['user_login'] ), true ); 45 } 46 47 $pass1 = ''; 48 $pass2 = ''; 49 if ( isset( $_POST['pass1'] ) ) { 50 $pass1 = trim( $_POST['pass1'] ); 51 } 52 if ( isset( $_POST['pass2'] ) ) { 53 $pass2 = trim( $_POST['pass2'] ); 54 } 55 56 if ( isset( $_POST['role'] ) && current_user_can( 'promote_users' ) && ( ! $user_id || current_user_can( 'promote_user', $user_id ) ) ) { 57 $new_role = sanitize_text_field( $_POST['role'] ); 58 59 // If the new role isn't editable by the logged-in user die with error. 60 $editable_roles = get_editable_roles(); 61 if ( ! empty( $new_role ) && empty( $editable_roles[ $new_role ] ) ) { 62 wp_die( __( 'Sorry, you are not allowed to give users that role.' ), 403 ); 63 } 64 65 $potential_role = isset( $wp_roles->role_objects[ $new_role ] ) ? $wp_roles->role_objects[ $new_role ] : false; 66 67 /* 68 * Don't let anyone with 'promote_users' edit their own role to something without it. 69 * Multisite super admins can freely edit their roles, they possess all caps. 70 */ 71 if ( 72 ( is_multisite() && current_user_can( 'manage_network_users' ) ) || 73 get_current_user_id() !== $user_id || 74 ( $potential_role && $potential_role->has_cap( 'promote_users' ) ) 75 ) { 76 $user->role = $new_role; 77 } 78 } 79 80 if ( isset( $_POST['email'] ) ) { 81 $user->user_email = sanitize_text_field( wp_unslash( $_POST['email'] ) ); 82 } 83 if ( isset( $_POST['url'] ) ) { 84 if ( empty( $_POST['url'] ) || 'http://' === $_POST['url'] ) { 85 $user->user_url = ''; 86 } else { 87 $user->user_url = esc_url_raw( $_POST['url'] ); 88 $protocols = implode( '|', array_map( 'preg_quote', wp_allowed_protocols() ) ); 89 $user->user_url = preg_match( '/^(' . $protocols . '):/is', $user->user_url ) ? $user->user_url : 'http://' . $user->user_url; 90 } 91 } 92 if ( isset( $_POST['first_name'] ) ) { 93 $user->first_name = sanitize_text_field( $_POST['first_name'] ); 94 } 95 if ( isset( $_POST['last_name'] ) ) { 96 $user->last_name = sanitize_text_field( $_POST['last_name'] ); 97 } 98 if ( isset( $_POST['nickname'] ) ) { 99 $user->nickname = sanitize_text_field( $_POST['nickname'] ); 100 } 101 if ( isset( $_POST['display_name'] ) ) { 102 $user->display_name = sanitize_text_field( $_POST['display_name'] ); 103 } 104 105 if ( isset( $_POST['description'] ) ) { 106 $user->description = trim( $_POST['description'] ); 107 } 108 109 foreach ( wp_get_user_contact_methods( $user ) as $method => $name ) { 110 if ( isset( $_POST[ $method ] ) ) { 111 $user->$method = sanitize_text_field( $_POST[ $method ] ); 112 } 113 } 114 115 if ( isset( $_POST['locale'] ) ) { 116 $locale = sanitize_text_field( $_POST['locale'] ); 117 if ( 'site-default' === $locale ) { 118 $locale = ''; 119 } elseif ( '' === $locale ) { 120 $locale = 'en_US'; 121 } elseif ( ! in_array( $locale, get_available_languages(), true ) ) { 122 $locale = ''; 123 } 124 125 $user->locale = $locale; 126 } 127 128 if ( $update ) { 129 $user->rich_editing = isset( $_POST['rich_editing'] ) && 'false' === $_POST['rich_editing'] ? 'false' : 'true'; 130 $user->syntax_highlighting = isset( $_POST['syntax_highlighting'] ) && 'false' === $_POST['syntax_highlighting'] ? 'false' : 'true'; 131 $user->admin_color = isset( $_POST['admin_color'] ) ? sanitize_text_field( $_POST['admin_color'] ) : 'fresh'; 132 $user->show_admin_bar_front = isset( $_POST['admin_bar_front'] ) ? 'true' : 'false'; 133 } 134 135 $user->comment_shortcuts = isset( $_POST['comment_shortcuts'] ) && 'true' === $_POST['comment_shortcuts'] ? 'true' : ''; 136 137 $user->use_ssl = 0; 138 if ( ! empty( $_POST['use_ssl'] ) ) { 139 $user->use_ssl = 1; 140 } 141 142 $errors = new WP_Error(); 143 144 /* checking that username has been typed */ 145 if ( '' === $user->user_login ) { 146 $errors->add( 'user_login', __( '<strong>Error</strong>: Please enter a username.' ) ); 147 } 148 149 /* checking that nickname has been typed */ 150 if ( $update && empty( $user->nickname ) ) { 151 $errors->add( 'nickname', __( '<strong>Error</strong>: Please enter a nickname.' ) ); 152 } 153 154 /** 155 * Fires before the password and confirm password fields are checked for congruity. 156 * 157 * @since 1.5.1 158 * 159 * @param string $user_login The username. 160 * @param string $pass1 The password (passed by reference). 161 * @param string $pass2 The confirmed password (passed by reference). 162 */ 163 do_action_ref_array( 'check_passwords', array( $user->user_login, &$pass1, &$pass2 ) ); 164 165 // Check for blank password when adding a user. 166 if ( ! $update && empty( $pass1 ) ) { 167 $errors->add( 'pass', __( '<strong>Error</strong>: Please enter a password.' ), array( 'form-field' => 'pass1' ) ); 168 } 169 170 // Check for "\" in password. 171 if ( false !== strpos( wp_unslash( $pass1 ), '\\' ) ) { 172 $errors->add( 'pass', __( '<strong>Error</strong>: Passwords may not contain the character "\\".' ), array( 'form-field' => 'pass1' ) ); 173 } 174 175 // Checking the password has been typed twice the same. 176 if ( ( $update || ! empty( $pass1 ) ) && $pass1 != $pass2 ) { 177 $errors->add( 'pass', __( '<strong>Error</strong>: Passwords do not match. Please enter the same password in both password fields.' ), array( 'form-field' => 'pass1' ) ); 178 } 179 180 if ( ! empty( $pass1 ) ) { 181 $user->user_pass = $pass1; 182 } 183 184 if ( ! $update && isset( $_POST['user_login'] ) && ! validate_username( $_POST['user_login'] ) ) { 185 $errors->add( 'user_login', __( '<strong>Error</strong>: This username is invalid because it uses illegal characters. Please enter a valid username.' ) ); 186 } 187 188 if ( ! $update && username_exists( $user->user_login ) ) { 189 $errors->add( 'user_login', __( '<strong>Error</strong>: This username is already registered. Please choose another one.' ) ); 190 } 191 192 /** This filter is documented in wp-includes/user.php */ 193 $illegal_logins = (array) apply_filters( 'illegal_user_logins', array() ); 194 195 if ( in_array( strtolower( $user->user_login ), array_map( 'strtolower', $illegal_logins ), true ) ) { 196 $errors->add( 'invalid_username', __( '<strong>Error</strong>: Sorry, that username is not allowed.' ) ); 197 } 198 199 /* checking email address */ 200 if ( empty( $user->user_email ) ) { 201 $errors->add( 'empty_email', __( '<strong>Error</strong>: Please enter an email address.' ), array( 'form-field' => 'email' ) ); 202 } elseif ( ! is_email( $user->user_email ) ) { 203 $errors->add( 'invalid_email', __( '<strong>Error</strong>: The email address is not correct.' ), array( 'form-field' => 'email' ) ); 204 } else { 205 $owner_id = email_exists( $user->user_email ); 206 if ( $owner_id && ( ! $update || ( $owner_id != $user->ID ) ) ) { 207 $errors->add( 'email_exists', __( '<strong>Error</strong>: This email is already registered. Please choose another one.' ), array( 'form-field' => 'email' ) ); 208 } 209 } 210 211 /** 212 * Fires before user profile update errors are returned. 213 * 214 * @since 2.8.0 215 * 216 * @param WP_Error $errors WP_Error object (passed by reference). 217 * @param bool $update Whether this is a user update. 218 * @param stdClass $user User object (passed by reference). 219 */ 220 do_action_ref_array( 'user_profile_update_errors', array( &$errors, $update, &$user ) ); 221 222 if ( $errors->has_errors() ) { 223 return $errors; 224 } 225 226 if ( $update ) { 227 $user_id = wp_update_user( $user ); 228 } else { 229 $user_id = wp_insert_user( $user ); 230 $notify = isset( $_POST['send_user_notification'] ) ? 'both' : 'admin'; 231 232 /** 233 * Fires after a new user has been created. 234 * 235 * @since 4.4.0 236 * 237 * @param int|WP_Error $user_id ID of the newly created user or WP_Error on failure. 238 * @param string $notify Type of notification that should happen. See 239 * wp_send_new_user_notifications() for more information. 240 */ 241 do_action( 'edit_user_created_user', $user_id, $notify ); 242 } 243 return $user_id; 244 } 245 246 /** 247 * Fetch a filtered list of user roles that the current user is 248 * allowed to edit. 249 * 250 * Simple function whose main purpose is to allow filtering of the 251 * list of roles in the $wp_roles object so that plugins can remove 252 * inappropriate ones depending on the situation or user making edits. 253 * Specifically because without filtering anyone with the edit_users 254 * capability can edit others to be administrators, even if they are 255 * only editors or authors. This filter allows admins to delegate 256 * user management. 257 * 258 * @since 2.8.0 259 * 260 * @return array[] Array of arrays containing role information. 261 */ 262 function get_editable_roles() { 263 $all_roles = wp_roles()->roles; 264 265 /** 266 * Filters the list of editable roles. 267 * 268 * @since 2.8.0 269 * 270 * @param array[] $all_roles Array of arrays containing role information. 271 */ 272 $editable_roles = apply_filters( 'editable_roles', $all_roles ); 273 274 return $editable_roles; 275 } 276 277 /** 278 * Retrieve user data and filter it. 279 * 280 * @since 2.0.5 281 * 282 * @param int $user_id User ID. 283 * @return WP_User|false WP_User object on success, false on failure. 284 */ 285 function get_user_to_edit( $user_id ) { 286 $user = get_userdata( $user_id ); 287 288 if ( $user ) { 289 $user->filter = 'edit'; 290 } 291 292 return $user; 293 } 294 295 /** 296 * Retrieve the user's drafts. 297 * 298 * @since 2.0.0 299 * 300 * @global wpdb $wpdb WordPress database abstraction object. 301 * 302 * @param int $user_id User ID. 303 * @return array 304 */ 305 function get_users_drafts( $user_id ) { 306 global $wpdb; 307 $query = $wpdb->prepare( "SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author = %d ORDER BY post_modified DESC", $user_id ); 308 309 /** 310 * Filters the user's drafts query string. 311 * 312 * @since 2.0.0 313 * 314 * @param string $query The user's drafts query string. 315 */ 316 $query = apply_filters( 'get_users_drafts', $query ); 317 return $wpdb->get_results( $query ); 318 } 319 320 /** 321 * Remove user and optionally reassign posts and links to another user. 322 * 323 * If the $reassign parameter is not assigned to a User ID, then all posts will 324 * be deleted of that user. The action {@see 'delete_user'} that is passed the User ID 325 * being deleted will be run after the posts are either reassigned or deleted. 326 * The user meta will also be deleted that are for that User ID. 327 * 328 * @since 2.0.0 329 * 330 * @global wpdb $wpdb WordPress database abstraction object. 331 * 332 * @param int $id User ID. 333 * @param int $reassign Optional. Reassign posts and links to new User ID. 334 * @return bool True when finished. 335 */ 336 function wp_delete_user( $id, $reassign = null ) { 337 global $wpdb; 338 339 if ( ! is_numeric( $id ) ) { 340 return false; 341 } 342 343 $id = (int) $id; 344 $user = new WP_User( $id ); 345 346 if ( ! $user->exists() ) { 347 return false; 348 } 349 350 // Normalize $reassign to null or a user ID. 'novalue' was an older default. 351 if ( 'novalue' === $reassign ) { 352 $reassign = null; 353 } elseif ( null !== $reassign ) { 354 $reassign = (int) $reassign; 355 } 356 357 /** 358 * Fires immediately before a user is deleted from the database. 359 * 360 * @since 2.0.0 361 * @since 5.5.0 Added the `$user` parameter. 362 * 363 * @param int $id ID of the user to delete. 364 * @param int|null $reassign ID of the user to reassign posts and links to. 365 * Default null, for no reassignment. 366 * @param WP_User $user WP_User object of the user to delete. 367 */ 368 do_action( 'delete_user', $id, $reassign, $user ); 369 370 if ( null === $reassign ) { 371 $post_types_to_delete = array(); 372 foreach ( get_post_types( array(), 'objects' ) as $post_type ) { 373 if ( $post_type->delete_with_user ) { 374 $post_types_to_delete[] = $post_type->name; 375 } elseif ( null === $post_type->delete_with_user && post_type_supports( $post_type->name, 'author' ) ) { 376 $post_types_to_delete[] = $post_type->name; 377 } 378 } 379 380 /** 381 * Filters the list of post types to delete with a user. 382 * 383 * @since 3.4.0 384 * 385 * @param string[] $post_types_to_delete Array of post types to delete. 386 * @param int $id User ID. 387 */ 388 $post_types_to_delete = apply_filters( 'post_types_to_delete_with_user', $post_types_to_delete, $id ); 389 $post_types_to_delete = implode( "', '", $post_types_to_delete ); 390 $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d AND post_type IN ('$post_types_to_delete')", $id ) ); 391 if ( $post_ids ) { 392 foreach ( $post_ids as $post_id ) { 393 wp_delete_post( $post_id ); 394 } 395 } 396 397 // Clean links. 398 $link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) ); 399 400 if ( $link_ids ) { 401 foreach ( $link_ids as $link_id ) { 402 wp_delete_link( $link_id ); 403 } 404 } 405 } else { 406 $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) ); 407 $wpdb->update( $wpdb->posts, array( 'post_author' => $reassign ), array( 'post_author' => $id ) ); 408 if ( ! empty( $post_ids ) ) { 409 foreach ( $post_ids as $post_id ) { 410 clean_post_cache( $post_id ); 411 } 412 } 413 $link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) ); 414 $wpdb->update( $wpdb->links, array( 'link_owner' => $reassign ), array( 'link_owner' => $id ) ); 415 if ( ! empty( $link_ids ) ) { 416 foreach ( $link_ids as $link_id ) { 417 clean_bookmark_cache( $link_id ); 418 } 419 } 420 } 421 422 // FINALLY, delete user. 423 if ( is_multisite() ) { 424 remove_user_from_blog( $id, get_current_blog_id() ); 425 } else { 426 $meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) ); 427 foreach ( $meta as $mid ) { 428 delete_metadata_by_mid( 'user', $mid ); 429 } 430 431 $wpdb->delete( $wpdb->users, array( 'ID' => $id ) ); 432 } 433 434 clean_user_cache( $user ); 435 436 /** 437 * Fires immediately after a user is deleted from the database. 438 * 439 * @since 2.9.0 440 * @since 5.5.0 Added the `$user` parameter. 441 * 442 * @param int $id ID of the deleted user. 443 * @param int|null $reassign ID of the user to reassign posts and links to. 444 * Default null, for no reassignment. 445 * @param WP_User $user WP_User object of the deleted user. 446 */ 447 do_action( 'deleted_user', $id, $reassign, $user ); 448 449 return true; 450 } 451 452 /** 453 * Remove all capabilities from user. 454 * 455 * @since 2.1.0 456 * 457 * @param int $id User ID. 458 */ 459 function wp_revoke_user( $id ) { 460 $id = (int) $id; 461 462 $user = new WP_User( $id ); 463 $user->remove_all_caps(); 464 } 465 466 /** 467 * @since 2.8.0 468 * 469 * @global int $user_ID 470 * 471 * @param false $errors Deprecated. 472 */ 473 function default_password_nag_handler( $errors = false ) { 474 global $user_ID; 475 // Short-circuit it. 476 if ( ! get_user_option( 'default_password_nag' ) ) { 477 return; 478 } 479 480 // get_user_setting() = JS-saved UI setting. Else no-js-fallback code. 481 if ( 'hide' === get_user_setting( 'default_password_nag' ) 482 || isset( $_GET['default_password_nag'] ) && '0' == $_GET['default_password_nag'] 483 ) { 484 delete_user_setting( 'default_password_nag' ); 485 update_user_meta( $user_ID, 'default_password_nag', false ); 486 } 487 } 488 489 /** 490 * @since 2.8.0 491 * 492 * @param int $user_ID 493 * @param WP_User $old_data 494 */ 495 function default_password_nag_edit_user( $user_ID, $old_data ) { 496 // Short-circuit it. 497 if ( ! get_user_option( 'default_password_nag', $user_ID ) ) { 498 return; 499 } 500 501 $new_data = get_userdata( $user_ID ); 502 503 // Remove the nag if the password has been changed. 504 if ( $new_data->user_pass != $old_data->user_pass ) { 505 delete_user_setting( 'default_password_nag' ); 506 update_user_meta( $user_ID, 'default_password_nag', false ); 507 } 508 } 509 510 /** 511 * @since 2.8.0 512 * 513 * @global string $pagenow The filename of the current screen. 514 */ 515 function default_password_nag() { 516 global $pagenow; 517 518 // Short-circuit it. 519 if ( 'profile.php' === $pagenow || ! get_user_option( 'default_password_nag' ) ) { 520 return; 521 } 522 523 echo '<div class="error default-password-nag">'; 524 echo '<p>'; 525 echo '<strong>' . __( 'Notice:' ) . '</strong> '; 526 _e( 'You’re using the auto-generated password for your account. Would you like to change it?' ); 527 echo '</p><p>'; 528 printf( '<a href="%s">' . __( 'Yes, take me to my profile page' ) . '</a> | ', get_edit_profile_url() . '#password' ); 529 printf( '<a href="%s" id="default-password-nag-no">' . __( 'No thanks, do not remind me again' ) . '</a>', '?default_password_nag=0' ); 530 echo '</p></div>'; 531 } 532 533 /** 534 * @since 3.5.0 535 * @access private 536 */ 537 function delete_users_add_js() { 538 ?> 539 <script> 540 jQuery( function($) { 541 var submit = $('#submit').prop('disabled', true); 542 $('input[name="delete_option"]').one('change', function() { 543 submit.prop('disabled', false); 544 }); 545 $('#reassign_user').focus( function() { 546 $('#delete_option1').prop('checked', true).trigger('change'); 547 }); 548 } ); 549 </script> 550 <?php 551 } 552 553 /** 554 * Optional SSL preference that can be turned on by hooking to the 'personal_options' action. 555 * 556 * See the {@see 'personal_options'} action. 557 * 558 * @since 2.7.0 559 * 560 * @param WP_User $user User data object. 561 */ 562 function use_ssl_preference( $user ) { 563 ?> 564 <tr class="user-use-ssl-wrap"> 565 <th scope="row"><?php _e( 'Use https' ); ?></th> 566 <td><label for="use_ssl"><input name="use_ssl" type="checkbox" id="use_ssl" value="1" <?php checked( '1', $user->use_ssl ); ?> /> <?php _e( 'Always use https when visiting the admin' ); ?></label></td> 567 </tr> 568 <?php 569 } 570 571 /** 572 * @since MU (3.0.0) 573 * 574 * @param string $text 575 * @return string 576 */ 577 function admin_created_user_email( $text ) { 578 $roles = get_editable_roles(); 579 $role = $roles[ $_REQUEST['role'] ]; 580 581 if ( '' !== get_bloginfo( 'name' ) ) { 582 $site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ); 583 } else { 584 $site_title = parse_url( home_url(), PHP_URL_HOST ); 585 } 586 587 return sprintf( 588 /* translators: 1: Site title, 2: Site URL, 3: User role. */ 589 __( 590 'Hi, 591 You\'ve been invited to join \'%1$s\' at 592 %2$s with the role of %3$s. 593 If you do not want to join this site please ignore 594 this email. This invitation will expire in a few days. 595 596 Please click the following link to activate your user account: 597 %%s' 598 ), 599 $site_title, 600 home_url(), 601 wp_specialchars_decode( translate_user_role( $role['name'] ) ) 602 ); 603 } 604 605 /** 606 * Checks if the Authorize Application Password request is valid. 607 * 608 * @since 5.6.0 609 * 610 * @param array $request { 611 * The array of request data. All arguments are optional and may be empty. 612 * 613 * @type string $app_name The suggested name of the application. 614 * @type string $app_id A UUID provided by the application to uniquely identify it. 615 * @type string $success_url The URL the user will be redirected to after approving the application. 616 * @type string $reject_url The URL the user will be redirected to after rejecting the application. 617 * } 618 * @param WP_User $user The user authorizing the application. 619 * @return true|WP_Error True if the request is valid, a WP_Error object contains errors if not. 620 */ 621 function wp_is_authorize_application_password_request_valid( $request, $user ) { 622 $error = new WP_Error(); 623 624 if ( ! empty( $request['success_url'] ) ) { 625 $scheme = wp_parse_url( $request['success_url'], PHP_URL_SCHEME ); 626 627 if ( 'http' === $scheme ) { 628 $error->add( 629 'invalid_redirect_scheme', 630 __( 'The success URL must be served over a secure connection.' ) 631 ); 632 } 633 } 634 635 if ( ! empty( $request['reject_url'] ) ) { 636 $scheme = wp_parse_url( $request['reject_url'], PHP_URL_SCHEME ); 637 638 if ( 'http' === $scheme ) { 639 $error->add( 640 'invalid_redirect_scheme', 641 __( 'The rejection URL must be served over a secure connection.' ) 642 ); 643 } 644 } 645 646 if ( ! empty( $request['app_id'] ) && ! wp_is_uuid( $request['app_id'] ) ) { 647 $error->add( 648 'invalid_app_id', 649 __( 'The application ID must be a UUID.' ) 650 ); 651 } 652 653 /** 654 * Fires before application password errors are returned. 655 * 656 * @since 5.6.0 657 * 658 * @param WP_Error $error The error object. 659 * @param array $request The array of request data. 660 * @param WP_User $user The user authorizing the application. 661 */ 662 do_action( 'wp_authorize_application_password_request_errors', $error, $request, $user ); 663 664 if ( $error->has_errors() ) { 665 return $error; 666 } 667 668 return true; 669 }
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