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 */
 16function 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 */
 30function 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 = sanitize_url( $_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			if ( current_user_can( 'install_languages' ) && wp_can_install_language_pack() ) {
123				if ( ! wp_download_language_pack( $locale ) ) {
124					$locale = '';
125				}
126			} else {
127				$locale = '';
128			}
129		}
130
131		$user->locale = $locale;
132	}
133
134	if ( $update ) {
135		$user->rich_editing         = isset( $_POST['rich_editing'] ) && 'false' === $_POST['rich_editing'] ? 'false' : 'true';
136		$user->syntax_highlighting  = isset( $_POST['syntax_highlighting'] ) && 'false' === $_POST['syntax_highlighting'] ? 'false' : 'true';
137		$user->admin_color          = isset( $_POST['admin_color'] ) ? sanitize_text_field( $_POST['admin_color'] ) : 'fresh';
138		$user->show_admin_bar_front = isset( $_POST['admin_bar_front'] ) ? 'true' : 'false';
139	}
140
141	$user->comment_shortcuts = isset( $_POST['comment_shortcuts'] ) && 'true' === $_POST['comment_shortcuts'] ? 'true' : '';
142
143	$user->use_ssl = 0;
144	if ( ! empty( $_POST['use_ssl'] ) ) {
145		$user->use_ssl = 1;
146	}
147
148	$errors = new WP_Error();
149
150	/* checking that username has been typed */
151	if ( '' === $user->user_login ) {
152		$errors->add( 'user_login', __( '<strong>Error:</strong> Please enter a username.' ) );
153	}
154
155	/* checking that nickname has been typed */
156	if ( $update && empty( $user->nickname ) ) {
157		$errors->add( 'nickname', __( '<strong>Error:</strong> Please enter a nickname.' ) );
158	}
159
160	/**
161	 * Fires before the password and confirm password fields are checked for congruity.
162	 *
163	 * @since 1.5.1
164	 *
165	 * @param string $user_login The username.
166	 * @param string $pass1     The password (passed by reference).
167	 * @param string $pass2     The confirmed password (passed by reference).
168	 */
169	do_action_ref_array( 'check_passwords', array( $user->user_login, &$pass1, &$pass2 ) );
170
171	// Check for blank password when adding a user.
172	if ( ! $update && empty( $pass1 ) ) {
173		$errors->add( 'pass', __( '<strong>Error:</strong> Please enter a password.' ), array( 'form-field' => 'pass1' ) );
174	}
175
176	// Check for "\" in password.
177	if ( str_contains( wp_unslash( $pass1 ), '\\' ) ) {
178		$errors->add( 'pass', __( '<strong>Error:</strong> Passwords may not contain the character "\\".' ), array( 'form-field' => 'pass1' ) );
179	}
180
181	// Checking the password has been typed twice the same.
182	if ( ( $update || ! empty( $pass1 ) ) && $pass1 !== $pass2 ) {
183		$errors->add( 'pass', __( '<strong>Error:</strong> Passwords do not match. Please enter the same password in both password fields.' ), array( 'form-field' => 'pass1' ) );
184	}
185
186	if ( ! empty( $pass1 ) ) {
187		$user->user_pass = $pass1;
188	}
189
190	if ( ! $update && isset( $_POST['user_login'] ) && ! validate_username( $_POST['user_login'] ) ) {
191		$errors->add( 'user_login', __( '<strong>Error:</strong> This username is invalid because it uses illegal characters. Please enter a valid username.' ) );
192	}
193
194	if ( ! $update && username_exists( $user->user_login ) ) {
195		$errors->add( 'user_login', __( '<strong>Error:</strong> This username is already registered. Please choose another one.' ) );
196	}
197
198	/** This filter is documented in wp-includes/user.php */
199	$illegal_logins = (array) apply_filters( 'illegal_user_logins', array() );
200
201	if ( in_array( strtolower( $user->user_login ), array_map( 'strtolower', $illegal_logins ), true ) ) {
202		$errors->add( 'invalid_username', __( '<strong>Error:</strong> Sorry, that username is not allowed.' ) );
203	}
204
205	// Checking email address.
206	if ( empty( $user->user_email ) ) {
207		$errors->add( 'empty_email', __( '<strong>Error:</strong> Please enter an email address.' ), array( 'form-field' => 'email' ) );
208	} elseif ( ! is_email( $user->user_email ) ) {
209		$errors->add( 'invalid_email', __( '<strong>Error:</strong> The email address is not correct.' ), array( 'form-field' => 'email' ) );
210	} else {
211		$owner_id = email_exists( $user->user_email );
212		if ( $owner_id && ( ! $update || ( $owner_id !== $user->ID ) ) ) {
213			$errors->add( 'email_exists', __( '<strong>Error:</strong> This email is already registered. Please choose another one.' ), array( 'form-field' => 'email' ) );
214		}
215	}
216
217	/**
218	 * Fires before user profile update errors are returned.
219	 *
220	 * @since 2.8.0
221	 *
222	 * @param WP_Error $errors WP_Error object (passed by reference).
223	 * @param bool     $update Whether this is a user update.
224	 * @param stdClass $user   User object (passed by reference).
225	 */
226	do_action_ref_array( 'user_profile_update_errors', array( &$errors, $update, &$user ) );
227
228	if ( $errors->has_errors() ) {
229		return $errors;
230	}
231
232	if ( $update ) {
233		$user_id = wp_update_user( $user );
234	} else {
235		$user_id = wp_insert_user( $user );
236		$notify  = isset( $_POST['send_user_notification'] ) ? 'both' : 'admin';
237
238		/**
239		 * Fires after a new user has been created.
240		 *
241		 * @since 4.4.0
242		 *
243		 * @param int|WP_Error $user_id ID of the newly created user or WP_Error on failure.
244		 * @param string       $notify  Type of notification that should happen. See
245		 *                              wp_send_new_user_notifications() for more information.
246		 */
247		do_action( 'edit_user_created_user', $user_id, $notify );
248	}
249	return $user_id;
250}
251
252/**
253 * Fetch a filtered list of user roles that the current user is
254 * allowed to edit.
255 *
256 * Simple function whose main purpose is to allow filtering of the
257 * list of roles in the $wp_roles object so that plugins can remove
258 * inappropriate ones depending on the situation or user making edits.
259 * Specifically because without filtering anyone with the edit_users
260 * capability can edit others to be administrators, even if they are
261 * only editors or authors. This filter allows admins to delegate
262 * user management.
263 *
264 * @since 2.8.0
265 *
266 * @return array[] Array of arrays containing role information.
267 */
268function get_editable_roles() {
269	$all_roles = wp_roles()->roles;
270
271	/**
272	 * Filters the list of editable roles.
273	 *
274	 * @since 2.8.0
275	 *
276	 * @param array[] $all_roles Array of arrays containing role information.
277	 */
278	$editable_roles = apply_filters( 'editable_roles', $all_roles );
279
280	return $editable_roles;
281}
282
283/**
284 * Retrieve user data and filter it.
285 *
286 * @since 2.0.5
287 *
288 * @param int $user_id User ID.
289 * @return WP_User|false WP_User object on success, false on failure.
290 */
291function get_user_to_edit( $user_id ) {
292	$user = get_userdata( $user_id );
293
294	if ( $user ) {
295		$user->filter = 'edit';
296	}
297
298	return $user;
299}
300
301/**
302 * Retrieve the user's drafts.
303 *
304 * @since 2.0.0
305 *
306 * @global wpdb $wpdb WordPress database abstraction object.
307 *
308 * @param int $user_id User ID.
309 * @return array
310 */
311function get_users_drafts( $user_id ) {
312	global $wpdb;
313	$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 );
314
315	/**
316	 * Filters the SQL query string for the user's drafts query.
317	 *
318	 * @since 2.0.0
319	 *
320	 * @param string $query The user's drafts query string.
321	 */
322	$query = apply_filters( 'get_users_drafts', $query );
323	return $wpdb->get_results( $query );
324}
325
326/**
327 * Delete user and optionally reassign posts and links to another user.
328 *
329 * Note that on a Multisite installation the user only gets removed from the site
330 * and does not get deleted from the database.
331 *
332 * If the `$reassign` parameter is not assigned to a user ID, then all posts will
333 * be deleted of that user. The action {@see 'delete_user'} that is passed the user ID
334 * being deleted will be run after the posts are either reassigned or deleted.
335 * The user meta will also be deleted that are for that user ID.
336 *
337 * @since 2.0.0
338 *
339 * @global wpdb $wpdb WordPress database abstraction object.
340 *
341 * @param int $id       User ID.
342 * @param int $reassign Optional. Reassign posts and links to new User ID.
343 * @return bool True when finished.
344 */
345function wp_delete_user( $id, $reassign = null ) {
346	global $wpdb;
347
348	if ( ! is_numeric( $id ) ) {
349		return false;
350	}
351
352	$id   = (int) $id;
353	$user = new WP_User( $id );
354
355	if ( ! $user->exists() ) {
356		return false;
357	}
358
359	// Normalize $reassign to null or a user ID. 'novalue' was an older default.
360	if ( 'novalue' === $reassign ) {
361		$reassign = null;
362	} elseif ( null !== $reassign ) {
363		$reassign = (int) $reassign;
364	}
365
366	/**
367	 * Fires immediately before a user is deleted from the site.
368	 *
369	 * Note that on a Multisite installation the user only gets removed from the site
370	 * and does not get deleted from the database.
371	 *
372	 * @since 2.0.0
373	 * @since 5.5.0 Added the `$user` parameter.
374	 *
375	 * @param int      $id       ID of the user to delete.
376	 * @param int|null $reassign ID of the user to reassign posts and links to.
377	 *                           Default null, for no reassignment.
378	 * @param WP_User  $user     WP_User object of the user to delete.
379	 */
380	do_action( 'delete_user', $id, $reassign, $user );
381
382	if ( null === $reassign ) {
383		$post_types_to_delete = array();
384		foreach ( get_post_types( array(), 'objects' ) as $post_type ) {
385			if ( $post_type->delete_with_user ) {
386				$post_types_to_delete[] = $post_type->name;
387			} elseif ( null === $post_type->delete_with_user && post_type_supports( $post_type->name, 'author' ) ) {
388				$post_types_to_delete[] = $post_type->name;
389			}
390		}
391
392		/**
393		 * Filters the list of post types to delete with a user.
394		 *
395		 * @since 3.4.0
396		 *
397		 * @param string[] $post_types_to_delete Array of post types to delete.
398		 * @param int      $id                   User ID.
399		 */
400		$post_types_to_delete = apply_filters( 'post_types_to_delete_with_user', $post_types_to_delete, $id );
401		$post_types_to_delete = implode( "', '", $post_types_to_delete );
402		$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 ) );
403		if ( $post_ids ) {
404			foreach ( $post_ids as $post_id ) {
405				wp_delete_post( $post_id );
406			}
407		}
408
409		// Clean links.
410		$link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) );
411
412		if ( $link_ids ) {
413			foreach ( $link_ids as $link_id ) {
414				wp_delete_link( $link_id );
415			}
416		}
417	} else {
418		$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
419		$wpdb->update( $wpdb->posts, array( 'post_author' => $reassign ), array( 'post_author' => $id ) );
420		if ( ! empty( $post_ids ) ) {
421			foreach ( $post_ids as $post_id ) {
422				clean_post_cache( $post_id );
423			}
424		}
425		$link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) );
426		$wpdb->update( $wpdb->links, array( 'link_owner' => $reassign ), array( 'link_owner' => $id ) );
427		if ( ! empty( $link_ids ) ) {
428			foreach ( $link_ids as $link_id ) {
429				clean_bookmark_cache( $link_id );
430			}
431		}
432	}
433
434	// FINALLY, delete user.
435	if ( is_multisite() ) {
436		remove_user_from_blog( $id, get_current_blog_id() );
437	} else {
438		$meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
439		foreach ( $meta as $mid ) {
440			delete_metadata_by_mid( 'user', $mid );
441		}
442
443		$wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
444	}
445
446	clean_user_cache( $user );
447
448	/**
449	 * Fires immediately after a user is deleted from the site.
450	 *
451	 * Note that on a Multisite installation the user may not have been deleted from
452	 * the database depending on whether `wp_delete_user()` or `wpmu_delete_user()`
453	 * was called.
454	 *
455	 * @since 2.9.0
456	 * @since 5.5.0 Added the `$user` parameter.
457	 *
458	 * @param int      $id       ID of the deleted user.
459	 * @param int|null $reassign ID of the user to reassign posts and links to.
460	 *                           Default null, for no reassignment.
461	 * @param WP_User  $user     WP_User object of the deleted user.
462	 */
463	do_action( 'deleted_user', $id, $reassign, $user );
464
465	return true;
466}
467
468/**
469 * Remove all capabilities from user.
470 *
471 * @since 2.1.0
472 *
473 * @param int $id User ID.
474 */
475function wp_revoke_user( $id ) {
476	$id = (int) $id;
477
478	$user = new WP_User( $id );
479	$user->remove_all_caps();
480}
481
482/**
483 * @since 2.8.0
484 *
485 * @global int $user_ID
486 *
487 * @param false $errors Deprecated.
488 */
489function default_password_nag_handler( $errors = false ) {
490	global $user_ID;
491	// Short-circuit it.
492	if ( ! get_user_option( 'default_password_nag' ) ) {
493		return;
494	}
495
496	// get_user_setting() = JS-saved UI setting. Else no-js-fallback code.
497	if ( 'hide' === get_user_setting( 'default_password_nag' )
498		|| isset( $_GET['default_password_nag'] ) && '0' === $_GET['default_password_nag']
499	) {
500		delete_user_setting( 'default_password_nag' );
501		update_user_meta( $user_ID, 'default_password_nag', false );
502	}
503}
504
505/**
506 * @since 2.8.0
507 *
508 * @param int     $user_ID
509 * @param WP_User $old_data
510 */
511function default_password_nag_edit_user( $user_ID, $old_data ) {
512	// Short-circuit it.
513	if ( ! get_user_option( 'default_password_nag', $user_ID ) ) {
514		return;
515	}
516
517	$new_data = get_userdata( $user_ID );
518
519	// Remove the nag if the password has been changed.
520	if ( $new_data->user_pass !== $old_data->user_pass ) {
521		delete_user_setting( 'default_password_nag' );
522		update_user_meta( $user_ID, 'default_password_nag', false );
523	}
524}
525
526/**
527 * @since 2.8.0
528 *
529 * @global string $pagenow The filename of the current screen.
530 */
531function default_password_nag() {
532	global $pagenow;
533
534	// Short-circuit it.
535	if ( 'profile.php' === $pagenow || ! get_user_option( 'default_password_nag' ) ) {
536		return;
537	}
538
539	$default_password_nag_message  = sprintf(
540		'<p><strong>%1$s</strong> %2$s</p>',
541		__( 'Notice:' ),
542		__( 'You are using the auto-generated password for your account. Would you like to change it?' )
543	);
544	$default_password_nag_message .= sprintf(
545		'<p><a href="%1$s">%2$s</a> | ',
546		esc_url( get_edit_profile_url() . '#password' ),
547		__( 'Yes, take me to my profile page' )
548	);
549	$default_password_nag_message .= sprintf(
550		'<a href="%1$s" id="default-password-nag-no">%2$s</a></p>',
551		'?default_password_nag=0',
552		__( 'No thanks, do not remind me again' )
553	);
554
555	wp_admin_notice(
556		$default_password_nag_message,
557		array(
558			'additional_classes' => array( 'error', 'default-password-nag' ),
559			'paragraph_wrap'     => false,
560		)
561	);
562}
563
564/**
565 * @since 3.5.0
566 * @access private
567 */
568function delete_users_add_js() {
569	?>
570<script>
571jQuery( function($) {
572	var submit = $('#submit').prop('disabled', true);
573	$('input[name="delete_option"]').one('change', function() {
574		submit.prop('disabled', false);
575	});
576	$('#reassign_user').focus( function() {
577		$('#delete_option1').prop('checked', true).trigger('change');
578	});
579} );
580</script>
581	<?php
582}
583
584/**
585 * Optional SSL preference that can be turned on by hooking to the 'personal_options' action.
586 *
587 * See the {@see 'personal_options'} action.
588 *
589 * @since 2.7.0
590 *
591 * @param WP_User $user User data object.
592 */
593function use_ssl_preference( $user ) {
594	?>
595	<tr class="user-use-ssl-wrap">
596		<th scope="row"><?php _e( 'Use https' ); ?></th>
597		<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>
598	</tr>
599	<?php
600}
601
602/**
603 * @since MU (3.0.0)
604 *
605 * @param string $text
606 * @return string
607 */
608function admin_created_user_email( $text ) {
609	$roles = get_editable_roles();
610	$role  = $roles[ $_REQUEST['role'] ];
611
612	if ( '' !== get_bloginfo( 'name' ) ) {
613		$site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES );
614	} else {
615		$site_title = parse_url( home_url(), PHP_URL_HOST );
616	}
617
618	return sprintf(
619		/* translators: 1: Site title, 2: Site URL, 3: User role. */
620		__(
621			'Hi,
622You\'ve been invited to join \'%1$s\' at
623%2$s with the role of %3$s.
624If you do not want to join this site please ignore
625this email. This invitation will expire in a few days.
626
627Please click the following link to activate your user account:
628%%s'
629		),
630		$site_title,
631		home_url(),
632		wp_specialchars_decode( translate_user_role( $role['name'] ) )
633	);
634}
635
636/**
637 * Checks if the Authorize Application Password request is valid.
638 *
639 * @since 5.6.0
640 * @since 6.2.0 Allow insecure HTTP connections for the local environment.
641 * @since 6.3.2 Validates the success and reject URLs to prevent `javascript` pseudo protocol from being executed.
642 *
643 * @param array   $request {
644 *     The array of request data. All arguments are optional and may be empty.
645 *
646 *     @type string $app_name    The suggested name of the application.
647 *     @type string $app_id      A UUID provided by the application to uniquely identify it.
648 *     @type string $success_url The URL the user will be redirected to after approving the application.
649 *     @type string $reject_url  The URL the user will be redirected to after rejecting the application.
650 * }
651 * @param WP_User $user The user authorizing the application.
652 * @return true|WP_Error True if the request is valid, a WP_Error object contains errors if not.
653 */
654function wp_is_authorize_application_password_request_valid( $request, $user ) {
655	$error = new WP_Error();
656
657	if ( isset( $request['success_url'] ) ) {
658		$validated_success_url = wp_is_authorize_application_redirect_url_valid( $request['success_url'] );
659		if ( is_wp_error( $validated_success_url ) ) {
660			$error->add(
661				$validated_success_url->get_error_code(),
662				$validated_success_url->get_error_message()
663			);
664		}
665	}
666
667	if ( isset( $request['reject_url'] ) ) {
668		$validated_reject_url = wp_is_authorize_application_redirect_url_valid( $request['reject_url'] );
669		if ( is_wp_error( $validated_reject_url ) ) {
670			$error->add(
671				$validated_reject_url->get_error_code(),
672				$validated_reject_url->get_error_message()
673			);
674		}
675	}
676
677	if ( ! empty( $request['app_id'] ) && ! wp_is_uuid( $request['app_id'] ) ) {
678		$error->add(
679			'invalid_app_id',
680			__( 'The application ID must be a UUID.' )
681		);
682	}
683
684	/**
685	 * Fires before application password errors are returned.
686	 *
687	 * @since 5.6.0
688	 *
689	 * @param WP_Error $error   The error object.
690	 * @param array    $request The array of request data.
691	 * @param WP_User  $user    The user authorizing the application.
692	 */
693	do_action( 'wp_authorize_application_password_request_errors', $error, $request, $user );
694
695	if ( $error->has_errors() ) {
696		return $error;
697	}
698
699	return true;
700}
701
702/**
703 * Validates the redirect URL protocol scheme. The protocol can be anything except `http` and `javascript`.
704 *
705 * @since 6.3.2
706 *
707 * @param string $url The redirect URL to be validated.
708 * @return true|WP_Error True if the redirect URL is valid, a WP_Error object otherwise.
709 */
710function wp_is_authorize_application_redirect_url_valid( $url ) {
711	$bad_protocols = array( 'javascript', 'data' );
712	if ( empty( $url ) ) {
713		return true;
714	}
715
716	// Based on https://www.rfc-editor.org/rfc/rfc2396#section-3.1
717	$valid_scheme_regex = '/^[a-zA-Z][a-zA-Z0-9+.-]*:/';
718	if ( ! preg_match( $valid_scheme_regex, $url ) ) {
719		return new WP_Error(
720			'invalid_redirect_url_format',
721			__( 'Invalid URL format.' )
722		);
723	}
724
725	/**
726	 * Filters the list of invalid protocols used in applications redirect URLs.
727	 *
728	 * @since 6.3.2
729	 *
730	 * @param string[] $bad_protocols Array of invalid protocols.
731	 * @param string   $url The redirect URL to be validated.
732	 */
733	$invalid_protocols = apply_filters( 'wp_authorize_application_redirect_url_invalid_protocols', $bad_protocols, $url );
734	$invalid_protocols = array_map( 'strtolower', $invalid_protocols );
735
736	$scheme   = wp_parse_url( $url, PHP_URL_SCHEME );
737	$host     = wp_parse_url( $url, PHP_URL_HOST );
738	$is_local = 'local' === wp_get_environment_type();
739
740	// Validates if the proper URI format is applied to the URL.
741	if ( empty( $host ) || empty( $scheme ) || in_array( strtolower( $scheme ), $invalid_protocols, true ) ) {
742		return new WP_Error(
743			'invalid_redirect_url_format',
744			__( 'Invalid URL format.' )
745		);
746	}
747
748	if ( 'http' === $scheme && ! $is_local ) {
749		return new WP_Error(
750			'invalid_redirect_scheme',
751			__( 'The URL must be served over a secure connection.' )
752		);
753	}
754
755	return true;
756}
757