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Diffstat (limited to 'wp-includes/user.php')
| -rw-r--r-- | wp-includes/user.php | 5076 |
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diff --git a/wp-includes/user.php b/wp-includes/user.php new file mode 100644 index 0000000..5b9dacc --- /dev/null +++ b/wp-includes/user.php @@ -0,0 +1,5076 @@ +<?php +/** + * Core User API + * + * @package WordPress + * @subpackage Users + */ + +/** + * Authenticates and logs a user in with 'remember' capability. + * + * The credentials is an array that has 'user_login', 'user_password', and + * 'remember' indices. If the credentials is not given, then the log in form + * will be assumed and used if set. + * + * The various authentication cookies will be set by this function and will be + * set for a longer period depending on if the 'remember' credential is set to + * true. + * + * Note: wp_signon() doesn't handle setting the current user. This means that if the + * function is called before the {@see 'init'} hook is fired, is_user_logged_in() will + * evaluate as false until that point. If is_user_logged_in() is needed in conjunction + * with wp_signon(), wp_set_current_user() should be called explicitly. + * + * @since 2.5.0 + * + * @global string $auth_secure_cookie + * + * @param array $credentials { + * Optional. User info in order to sign on. + * + * @type string $user_login Username. + * @type string $user_password User password. + * @type bool $remember Whether to 'remember' the user. Increases the time + * that the cookie will be kept. Default false. + * } + * @param string|bool $secure_cookie Optional. Whether to use secure cookie. + * @return WP_User|WP_Error WP_User on success, WP_Error on failure. + */ +function wp_signon( $credentials = array(), $secure_cookie = '' ) { + if ( empty( $credentials ) ) { + $credentials = array( + 'user_login' => '', + 'user_password' => '', + 'remember' => false, + ); + + if ( ! empty( $_POST['log'] ) ) { + $credentials['user_login'] = wp_unslash( $_POST['log'] ); + } + if ( ! empty( $_POST['pwd'] ) ) { + $credentials['user_password'] = $_POST['pwd']; + } + if ( ! empty( $_POST['rememberme'] ) ) { + $credentials['remember'] = $_POST['rememberme']; + } + } + + if ( ! empty( $credentials['remember'] ) ) { + $credentials['remember'] = true; + } else { + $credentials['remember'] = false; + } + + /** + * Fires before the user is authenticated. + * + * The variables passed to the callbacks are passed by reference, + * and can be modified by callback functions. + * + * @since 1.5.1 + * + * @todo Decide whether to deprecate the wp_authenticate action. + * + * @param string $user_login Username (passed by reference). + * @param string $user_password User password (passed by reference). + */ + do_action_ref_array( 'wp_authenticate', array( &$credentials['user_login'], &$credentials['user_password'] ) ); + + if ( '' === $secure_cookie ) { + $secure_cookie = is_ssl(); + } + + /** + * Filters whether to use a secure sign-on cookie. + * + * @since 3.1.0 + * + * @param bool $secure_cookie Whether to use a secure sign-on cookie. + * @param array $credentials { + * Array of entered sign-on data. + * + * @type string $user_login Username. + * @type string $user_password Password entered. + * @type bool $remember Whether to 'remember' the user. Increases the time + * that the cookie will be kept. Default false. + * } + */ + $secure_cookie = apply_filters( 'secure_signon_cookie', $secure_cookie, $credentials ); + + global $auth_secure_cookie; // XXX ugly hack to pass this to wp_authenticate_cookie(). + $auth_secure_cookie = $secure_cookie; + + add_filter( 'authenticate', 'wp_authenticate_cookie', 30, 3 ); + + $user = wp_authenticate( $credentials['user_login'], $credentials['user_password'] ); + + if ( is_wp_error( $user ) ) { + return $user; + } + + wp_set_auth_cookie( $user->ID, $credentials['remember'], $secure_cookie ); + /** + * Fires after the user has successfully logged in. + * + * @since 1.5.0 + * + * @param string $user_login Username. + * @param WP_User $user WP_User object of the logged-in user. + */ + do_action( 'wp_login', $user->user_login, $user ); + return $user; +} + +/** + * Authenticates a user, confirming the username and password are valid. + * + * @since 2.8.0 + * + * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null. + * @param string $username Username for authentication. + * @param string $password Password for authentication. + * @return WP_User|WP_Error WP_User on success, WP_Error on failure. + */ +function wp_authenticate_username_password( $user, $username, $password ) { + if ( $user instanceof WP_User ) { + return $user; + } + + if ( empty( $username ) || empty( $password ) ) { + if ( is_wp_error( $user ) ) { + return $user; + } + + $error = new WP_Error(); + + if ( empty( $username ) ) { + $error->add( 'empty_username', __( '<strong>Error:</strong> The username field is empty.' ) ); + } + + if ( empty( $password ) ) { + $error->add( 'empty_password', __( '<strong>Error:</strong> The password field is empty.' ) ); + } + + return $error; + } + + $user = get_user_by( 'login', $username ); + + if ( ! $user ) { + return new WP_Error( + 'invalid_username', + sprintf( + /* translators: %s: User name. */ + __( '<strong>Error:</strong> The username <strong>%s</strong> is not registered on this site. If you are unsure of your username, try your email address instead.' ), + $username + ) + ); + } + + /** + * Filters whether the given user can be authenticated with the provided password. + * + * @since 2.5.0 + * + * @param WP_User|WP_Error $user WP_User or WP_Error object if a previous + * callback failed authentication. + * @param string $password Password to check against the user. + */ + $user = apply_filters( 'wp_authenticate_user', $user, $password ); + if ( is_wp_error( $user ) ) { + return $user; + } + + if ( ! wp_check_password( $password, $user->user_pass, $user->ID ) ) { + return new WP_Error( + 'incorrect_password', + sprintf( + /* translators: %s: User name. */ + __( '<strong>Error:</strong> The password you entered for the username %s is incorrect.' ), + '<strong>' . $username . '</strong>' + ) . + ' <a href="' . wp_lostpassword_url() . '">' . + __( 'Lost your password?' ) . + '</a>' + ); + } + + return $user; +} + +/** + * Authenticates a user using the email and password. + * + * @since 4.5.0 + * + * @param WP_User|WP_Error|null $user WP_User or WP_Error object if a previous + * callback failed authentication. + * @param string $email Email address for authentication. + * @param string $password Password for authentication. + * @return WP_User|WP_Error WP_User on success, WP_Error on failure. + */ +function wp_authenticate_email_password( $user, $email, $password ) { + if ( $user instanceof WP_User ) { + return $user; + } + + if ( empty( $email ) || empty( $password ) ) { + if ( is_wp_error( $user ) ) { + return $user; + } + + $error = new WP_Error(); + + if ( empty( $email ) ) { + // Uses 'empty_username' for back-compat with wp_signon(). + $error->add( 'empty_username', __( '<strong>Error:</strong> The email field is empty.' ) ); + } + + if ( empty( $password ) ) { + $error->add( 'empty_password', __( '<strong>Error:</strong> The password field is empty.' ) ); + } + + return $error; + } + + if ( ! is_email( $email ) ) { + return $user; + } + + $user = get_user_by( 'email', $email ); + + if ( ! $user ) { + return new WP_Error( + 'invalid_email', + __( 'Unknown email address. Check again or try your username.' ) + ); + } + + /** This filter is documented in wp-includes/user.php */ + $user = apply_filters( 'wp_authenticate_user', $user, $password ); + + if ( is_wp_error( $user ) ) { + return $user; + } + + if ( ! wp_check_password( $password, $user->user_pass, $user->ID ) ) { + return new WP_Error( + 'incorrect_password', + sprintf( + /* translators: %s: Email address. */ + __( '<strong>Error:</strong> The password you entered for the email address %s is incorrect.' ), + '<strong>' . $email . '</strong>' + ) . + ' <a href="' . wp_lostpassword_url() . '">' . + __( 'Lost your password?' ) . + '</a>' + ); + } + + return $user; +} + +/** + * Authenticates the user using the WordPress auth cookie. + * + * @since 2.8.0 + * + * @global string $auth_secure_cookie + * + * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null. + * @param string $username Username. If not empty, cancels the cookie authentication. + * @param string $password Password. If not empty, cancels the cookie authentication. + * @return WP_User|WP_Error WP_User on success, WP_Error on failure. + */ +function wp_authenticate_cookie( $user, $username, $password ) { + if ( $user instanceof WP_User ) { + return $user; + } + + if ( empty( $username ) && empty( $password ) ) { + $user_id = wp_validate_auth_cookie(); + if ( $user_id ) { + return new WP_User( $user_id ); + } + + global $auth_secure_cookie; + + if ( $auth_secure_cookie ) { + $auth_cookie = SECURE_AUTH_COOKIE; + } else { + $auth_cookie = AUTH_COOKIE; + } + + if ( ! empty( $_COOKIE[ $auth_cookie ] ) ) { + return new WP_Error( 'expired_session', __( 'Please log in again.' ) ); + } + + // If the cookie is not set, be silent. + } + + return $user; +} + +/** + * Authenticates the user using an application password. + * + * @since 5.6.0 + * + * @param WP_User|WP_Error|null $input_user WP_User or WP_Error object if a previous + * callback failed authentication. + * @param string $username Username for authentication. + * @param string $password Password for authentication. + * @return WP_User|WP_Error|null WP_User on success, WP_Error on failure, null if + * null is passed in and this isn't an API request. + */ +function wp_authenticate_application_password( $input_user, $username, $password ) { + if ( $input_user instanceof WP_User ) { + return $input_user; + } + + if ( ! WP_Application_Passwords::is_in_use() ) { + return $input_user; + } + + $is_api_request = ( ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) || ( defined( 'REST_REQUEST' ) && REST_REQUEST ) ); + + /** + * Filters whether this is an API request that Application Passwords can be used on. + * + * By default, Application Passwords is available for the REST API and XML-RPC. + * + * @since 5.6.0 + * + * @param bool $is_api_request If this is an acceptable API request. + */ + $is_api_request = apply_filters( 'application_password_is_api_request', $is_api_request ); + + if ( ! $is_api_request ) { + return $input_user; + } + + $error = null; + $user = get_user_by( 'login', $username ); + + if ( ! $user && is_email( $username ) ) { + $user = get_user_by( 'email', $username ); + } + + // If the login name is invalid, short circuit. + if ( ! $user ) { + if ( is_email( $username ) ) { + $error = new WP_Error( + 'invalid_email', + __( '<strong>Error:</strong> Unknown email address. Check again or try your username.' ) + ); + } else { + $error = new WP_Error( + 'invalid_username', + __( '<strong>Error:</strong> Unknown username. Check again or try your email address.' ) + ); + } + } elseif ( ! wp_is_application_passwords_available() ) { + $error = new WP_Error( + 'application_passwords_disabled', + __( 'Application passwords are not available.' ) + ); + } elseif ( ! wp_is_application_passwords_available_for_user( $user ) ) { + $error = new WP_Error( + 'application_passwords_disabled_for_user', + __( 'Application passwords are not available for your account. Please contact the site administrator for assistance.' ) + ); + } + + if ( $error ) { + /** + * Fires when an application password failed to authenticate the user. + * + * @since 5.6.0 + * + * @param WP_Error $error The authentication error. + */ + do_action( 'application_password_failed_authentication', $error ); + + return $error; + } + + /* + * Strips out anything non-alphanumeric. This is so passwords can be used with + * or without spaces to indicate the groupings for readability. + * + * Generated application passwords are exclusively alphanumeric. + */ + $password = preg_replace( '/[^a-z\d]/i', '', $password ); + + $hashed_passwords = WP_Application_Passwords::get_user_application_passwords( $user->ID ); + + foreach ( $hashed_passwords as $key => $item ) { + if ( ! wp_check_password( $password, $item['password'], $user->ID ) ) { + continue; + } + + $error = new WP_Error(); + + /** + * Fires when an application password has been successfully checked as valid. + * + * This allows for plugins to add additional constraints to prevent an application password from being used. + * + * @since 5.6.0 + * + * @param WP_Error $error The error object. + * @param WP_User $user The user authenticating. + * @param array $item The details about the application password. + * @param string $password The raw supplied password. + */ + do_action( 'wp_authenticate_application_password_errors', $error, $user, $item, $password ); + + if ( is_wp_error( $error ) && $error->has_errors() ) { + /** This action is documented in wp-includes/user.php */ + do_action( 'application_password_failed_authentication', $error ); + + return $error; + } + + WP_Application_Passwords::record_application_password_usage( $user->ID, $item['uuid'] ); + + /** + * Fires after an application password was used for authentication. + * + * @since 5.6.0 + * + * @param WP_User $user The user who was authenticated. + * @param array $item The application password used. + */ + do_action( 'application_password_did_authenticate', $user, $item ); + + return $user; + } + + $error = new WP_Error( + 'incorrect_password', + __( 'The provided password is an invalid application password.' ) + ); + + /** This action is documented in wp-includes/user.php */ + do_action( 'application_password_failed_authentication', $error ); + + return $error; +} + +/** + * Validates the application password credentials passed via Basic Authentication. + * + * @since 5.6.0 + * + * @param int|false $input_user User ID if one has been determined, false otherwise. + * @return int|false The authenticated user ID if successful, false otherwise. + */ +function wp_validate_application_password( $input_user ) { + // Don't authenticate twice. + if ( ! empty( $input_user ) ) { + return $input_user; + } + + if ( ! wp_is_application_passwords_available() ) { + return $input_user; + } + + // Both $_SERVER['PHP_AUTH_USER'] and $_SERVER['PHP_AUTH_PW'] must be set in order to attempt authentication. + if ( ! isset( $_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW'] ) ) { + return $input_user; + } + + $authenticated = wp_authenticate_application_password( null, $_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW'] ); + + if ( $authenticated instanceof WP_User ) { + return $authenticated->ID; + } + + // If it wasn't a user what got returned, just pass on what we had received originally. + return $input_user; +} + +/** + * For Multisite blogs, checks if the authenticated user has been marked as a + * spammer, or if the user's primary blog has been marked as spam. + * + * @since 3.7.0 + * + * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null. + * @return WP_User|WP_Error WP_User on success, WP_Error if the user is considered a spammer. + */ +function wp_authenticate_spam_check( $user ) { + if ( $user instanceof WP_User && is_multisite() ) { + /** + * Filters whether the user has been marked as a spammer. + * + * @since 3.7.0 + * + * @param bool $spammed Whether the user is considered a spammer. + * @param WP_User $user User to check against. + */ + $spammed = apply_filters( 'check_is_user_spammed', is_user_spammy( $user ), $user ); + + if ( $spammed ) { + return new WP_Error( 'spammer_account', __( '<strong>Error:</strong> Your account has been marked as a spammer.' ) ); + } + } + return $user; +} + +/** + * Validates the logged-in cookie. + * + * Checks the logged-in cookie if the previous auth cookie could not be + * validated and parsed. + * + * This is a callback for the {@see 'determine_current_user'} filter, rather than API. + * + * @since 3.9.0 + * + * @param int|false $user_id The user ID (or false) as received from + * the `determine_current_user` filter. + * @return int|false User ID if validated, false otherwise. If a user ID from + * an earlier filter callback is received, that value is returned. + */ +function wp_validate_logged_in_cookie( $user_id ) { + if ( $user_id ) { + return $user_id; + } + + if ( is_blog_admin() || is_network_admin() || empty( $_COOKIE[ LOGGED_IN_COOKIE ] ) ) { + return false; + } + + return wp_validate_auth_cookie( $_COOKIE[ LOGGED_IN_COOKIE ], 'logged_in' ); +} + +/** + * Gets the number of posts a user has written. + * + * @since 3.0.0 + * @since 4.1.0 Added `$post_type` argument. + * @since 4.3.0 Added `$public_only` argument. Added the ability to pass an array + * of post types to `$post_type`. + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int $userid User ID. + * @param array|string $post_type Optional. Single post type or array of post types to count the number of posts for. Default 'post'. + * @param bool $public_only Optional. Whether to only return counts for public posts. Default false. + * @return string Number of posts the user has written in this post type. + */ +function count_user_posts( $userid, $post_type = 'post', $public_only = false ) { + global $wpdb; + + $where = get_posts_by_author_sql( $post_type, true, $userid, $public_only ); + + $count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts $where" ); + + /** + * Filters the number of posts a user has written. + * + * @since 2.7.0 + * @since 4.1.0 Added `$post_type` argument. + * @since 4.3.1 Added `$public_only` argument. + * + * @param int $count The user's post count. + * @param int $userid User ID. + * @param string|array $post_type Single post type or array of post types to count the number of posts for. + * @param bool $public_only Whether to limit counted posts to public posts. + */ + return apply_filters( 'get_usernumposts', $count, $userid, $post_type, $public_only ); +} + +/** + * Gets the number of posts written by a list of users. + * + * @since 3.0.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int[] $users Array of user IDs. + * @param string|string[] $post_type Optional. Single post type or array of post types to check. Defaults to 'post'. + * @param bool $public_only Optional. Only return counts for public posts. Defaults to false. + * @return string[] Amount of posts each user has written, as strings, keyed by user ID. + */ +function count_many_users_posts( $users, $post_type = 'post', $public_only = false ) { + global $wpdb; + + $count = array(); + if ( empty( $users ) || ! is_array( $users ) ) { + return $count; + } + + $userlist = implode( ',', array_map( 'absint', $users ) ); + $where = get_posts_by_author_sql( $post_type, true, null, $public_only ); + + $result = $wpdb->get_results( "SELECT post_author, COUNT(*) FROM $wpdb->posts $where AND post_author IN ($userlist) GROUP BY post_author", ARRAY_N ); + foreach ( $result as $row ) { + $count[ $row[0] ] = $row[1]; + } + + foreach ( $users as $id ) { + if ( ! isset( $count[ $id ] ) ) { + $count[ $id ] = 0; + } + } + + return $count; +} + +// +// User option functions. +// + +/** + * Gets the current user's ID. + * + * @since MU (3.0.0) + * + * @return int The current user's ID, or 0 if no user is logged in. + */ +function get_current_user_id() { + if ( ! function_exists( 'wp_get_current_user' ) ) { + return 0; + } + $user = wp_get_current_user(); + return ( isset( $user->ID ) ? (int) $user->ID : 0 ); +} + +/** + * Retrieves user option that can be either per Site or per Network. + * + * If the user ID is not given, then the current user will be used instead. If + * the user ID is given, then the user data will be retrieved. The filter for + * the result, will also pass the original option name and finally the user data + * object as the third parameter. + * + * The option will first check for the per site name and then the per Network name. + * + * @since 2.0.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $option User option name. + * @param int $user Optional. User ID. + * @param string $deprecated Use get_option() to check for an option in the options table. + * @return mixed User option value on success, false on failure. + */ +function get_user_option( $option, $user = 0, $deprecated = '' ) { + global $wpdb; + + if ( ! empty( $deprecated ) ) { + _deprecated_argument( __FUNCTION__, '3.0.0' ); + } + + if ( empty( $user ) ) { + $user = get_current_user_id(); + } + + $user = get_userdata( $user ); + if ( ! $user ) { + return false; + } + + $prefix = $wpdb->get_blog_prefix(); + if ( $user->has_prop( $prefix . $option ) ) { // Blog-specific. + $result = $user->get( $prefix . $option ); + } elseif ( $user->has_prop( $option ) ) { // User-specific and cross-blog. + $result = $user->get( $option ); + } else { + $result = false; + } + + /** + * Filters a specific user option value. + * + * The dynamic portion of the hook name, `$option`, refers to the user option name. + * + * @since 2.5.0 + * + * @param mixed $result Value for the user's option. + * @param string $option Name of the option being retrieved. + * @param WP_User $user WP_User object of the user whose option is being retrieved. + */ + return apply_filters( "get_user_option_{$option}", $result, $option, $user ); +} + +/** + * Updates user option with global blog capability. + * + * User options are just like user metadata except that they have support for + * global blog options. If the 'is_global' parameter is false, which it is by default, + * it will prepend the WordPress table prefix to the option name. + * + * Deletes the user option if $newvalue is empty. + * + * @since 2.0.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int $user_id User ID. + * @param string $option_name User option name. + * @param mixed $newvalue User option value. + * @param bool $is_global Optional. Whether option name is global or blog specific. + * Default false (blog specific). + * @return int|bool User meta ID if the option didn't exist, true on successful update, + * false on failure. + */ +function update_user_option( $user_id, $option_name, $newvalue, $is_global = false ) { + global $wpdb; + + if ( ! $is_global ) { + $option_name = $wpdb->get_blog_prefix() . $option_name; + } + + return update_user_meta( $user_id, $option_name, $newvalue ); +} + +/** + * Deletes user option with global blog capability. + * + * User options are just like user metadata except that they have support for + * global blog options. If the 'is_global' parameter is false, which it is by default, + * it will prepend the WordPress table prefix to the option name. + * + * @since 3.0.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int $user_id User ID + * @param string $option_name User option name. + * @param bool $is_global Optional. Whether option name is global or blog specific. + * Default false (blog specific). + * @return bool True on success, false on failure. + */ +function delete_user_option( $user_id, $option_name, $is_global = false ) { + global $wpdb; + + if ( ! $is_global ) { + $option_name = $wpdb->get_blog_prefix() . $option_name; + } + + return delete_user_meta( $user_id, $option_name ); +} + +/** + * Retrieves list of users matching criteria. + * + * @since 3.1.0 + * + * @see WP_User_Query + * + * @param array $args Optional. Arguments to retrieve users. See WP_User_Query::prepare_query() + * for more information on accepted arguments. + * @return array List of users. + */ +function get_users( $args = array() ) { + + $args = wp_parse_args( $args ); + $args['count_total'] = false; + + $user_search = new WP_User_Query( $args ); + + return (array) $user_search->get_results(); +} + +/** + * Lists all the users of the site, with several options available. + * + * @since 5.9.0 + * + * @param string|array $args { + * Optional. Array or string of default arguments. + * + * @type string $orderby How to sort the users. Accepts 'nicename', 'email', 'url', 'registered', + * 'user_nicename', 'user_email', 'user_url', 'user_registered', 'name', + * 'display_name', 'post_count', 'ID', 'meta_value', 'user_login'. Default 'name'. + * @type string $order Sorting direction for $orderby. Accepts 'ASC', 'DESC'. Default 'ASC'. + * @type int $number Maximum users to return or display. Default empty (all users). + * @type bool $exclude_admin Whether to exclude the 'admin' account, if it exists. Default false. + * @type bool $show_fullname Whether to show the user's full name. Default false. + * @type string $feed If not empty, show a link to the user's feed and use this text as the alt + * parameter of the link. Default empty. + * @type string $feed_image If not empty, show a link to the user's feed and use this image URL as + * clickable anchor. Default empty. + * @type string $feed_type The feed type to link to, such as 'rss2'. Defaults to default feed type. + * @type bool $echo Whether to output the result or instead return it. Default true. + * @type string $style If 'list', each user is wrapped in an `<li>` element, otherwise the users + * will be separated by commas. + * @type bool $html Whether to list the items in HTML form or plaintext. Default true. + * @type string $exclude An array, comma-, or space-separated list of user IDs to exclude. Default empty. + * @type string $include An array, comma-, or space-separated list of user IDs to include. Default empty. + * } + * @return string|null The output if echo is false. Otherwise null. + */ +function wp_list_users( $args = array() ) { + $defaults = array( + 'orderby' => 'name', + 'order' => 'ASC', + 'number' => '', + 'exclude_admin' => true, + 'show_fullname' => false, + 'feed' => '', + 'feed_image' => '', + 'feed_type' => '', + 'echo' => true, + 'style' => 'list', + 'html' => true, + 'exclude' => '', + 'include' => '', + ); + + $parsed_args = wp_parse_args( $args, $defaults ); + + $return = ''; + + $query_args = wp_array_slice_assoc( $parsed_args, array( 'orderby', 'order', 'number', 'exclude', 'include' ) ); + $query_args['fields'] = 'ids'; + + /** + * Filters the query arguments for the list of all users of the site. + * + * @since 6.1.0 + * + * @param array $query_args The query arguments for get_users(). + * @param array $parsed_args The arguments passed to wp_list_users() combined with the defaults. + */ + $query_args = apply_filters( 'wp_list_users_args', $query_args, $parsed_args ); + + $users = get_users( $query_args ); + + foreach ( $users as $user_id ) { + $user = get_userdata( $user_id ); + + if ( $parsed_args['exclude_admin'] && 'admin' === $user->display_name ) { + continue; + } + + if ( $parsed_args['show_fullname'] && '' !== $user->first_name && '' !== $user->last_name ) { + $name = sprintf( + /* translators: 1: User's first name, 2: Last name. */ + _x( '%1$s %2$s', 'Display name based on first name and last name' ), + $user->first_name, + $user->last_name + ); + } else { + $name = $user->display_name; + } + + if ( ! $parsed_args['html'] ) { + $return .= $name . ', '; + + continue; // No need to go further to process HTML. + } + + if ( 'list' === $parsed_args['style'] ) { + $return .= '<li>'; + } + + $row = $name; + + if ( ! empty( $parsed_args['feed_image'] ) || ! empty( $parsed_args['feed'] ) ) { + $row .= ' '; + if ( empty( $parsed_args['feed_image'] ) ) { + $row .= '('; + } + + $row .= '<a href="' . get_author_feed_link( $user->ID, $parsed_args['feed_type'] ) . '"'; + + $alt = ''; + if ( ! empty( $parsed_args['feed'] ) ) { + $alt = ' alt="' . esc_attr( $parsed_args['feed'] ) . '"'; + $name = $parsed_args['feed']; + } + + $row .= '>'; + + if ( ! empty( $parsed_args['feed_image'] ) ) { + $row .= '<img src="' . esc_url( $parsed_args['feed_image'] ) . '" style="border: none;"' . $alt . ' />'; + } else { + $row .= $name; + } + + $row .= '</a>'; + + if ( empty( $parsed_args['feed_image'] ) ) { + $row .= ')'; + } + } + + $return .= $row; + $return .= ( 'list' === $parsed_args['style'] ) ? '</li>' : ', '; + } + + $return = rtrim( $return, ', ' ); + + if ( ! $parsed_args['echo'] ) { + return $return; + } + echo $return; +} + +/** + * Gets the sites a user belongs to. + * + * @since 3.0.0 + * @since 4.7.0 Converted to use `get_sites()`. + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int $user_id User ID + * @param bool $all Whether to retrieve all sites, or only sites that are not + * marked as deleted, archived, or spam. + * @return object[] A list of the user's sites. An empty array if the user doesn't exist + * or belongs to no sites. + */ +function get_blogs_of_user( $user_id, $all = false ) { + global $wpdb; + + $user_id = (int) $user_id; + + // Logged out users can't have sites. + if ( empty( $user_id ) ) { + return array(); + } + + /** + * Filters the list of a user's sites before it is populated. + * + * Returning a non-null value from the filter will effectively short circuit + * get_blogs_of_user(), returning that value instead. + * + * @since 4.6.0 + * + * @param null|object[] $sites An array of site objects of which the user is a member. + * @param int $user_id User ID. + * @param bool $all Whether the returned array should contain all sites, including + * those marked 'deleted', 'archived', or 'spam'. Default false. + */ + $sites = apply_filters( 'pre_get_blogs_of_user', null, $user_id, $all ); + + if ( null !== $sites ) { + return $sites; + } + + $keys = get_user_meta( $user_id ); + if ( empty( $keys ) ) { + return array(); + } + + if ( ! is_multisite() ) { + $site_id = get_current_blog_id(); + $sites = array( $site_id => new stdClass() ); + $sites[ $site_id ]->userblog_id = $site_id; + $sites[ $site_id ]->blogname = get_option( 'blogname' ); + $sites[ $site_id ]->domain = ''; + $sites[ $site_id ]->path = ''; + $sites[ $site_id ]->site_id = 1; + $sites[ $site_id ]->siteurl = get_option( 'siteurl' ); + $sites[ $site_id ]->archived = 0; + $sites[ $site_id ]->spam = 0; + $sites[ $site_id ]->deleted = 0; + return $sites; + } + + $site_ids = array(); + + if ( isset( $keys[ $wpdb->base_prefix . 'capabilities' ] ) && defined( 'MULTISITE' ) ) { + $site_ids[] = 1; + unset( $keys[ $wpdb->base_prefix . 'capabilities' ] ); + } + + $keys = array_keys( $keys ); + + foreach ( $keys as $key ) { + if ( ! str_ends_with( $key, 'capabilities' ) ) { + continue; + } + if ( $wpdb->base_prefix && ! str_starts_with( $key, $wpdb->base_prefix ) ) { + continue; + } + $site_id = str_replace( array( $wpdb->base_prefix, '_capabilities' ), '', $key ); + if ( ! is_numeric( $site_id ) ) { + continue; + } + + $site_ids[] = (int) $site_id; + } + + $sites = array(); + + if ( ! empty( $site_ids ) ) { + $args = array( + 'number' => '', + 'site__in' => $site_ids, + ); + if ( ! $all ) { + $args['archived'] = 0; + $args['spam'] = 0; + $args['deleted'] = 0; + } + + $_sites = get_sites( $args ); + + foreach ( $_sites as $site ) { + $sites[ $site->id ] = (object) array( + 'userblog_id' => $site->id, + 'blogname' => $site->blogname, + 'domain' => $site->domain, + 'path' => $site->path, + 'site_id' => $site->network_id, + 'siteurl' => $site->siteurl, + 'archived' => $site->archived, + 'mature' => $site->mature, + 'spam' => $site->spam, + 'deleted' => $site->deleted, + ); + } + } + + /** + * Filters the list of sites a user belongs to. + * + * @since MU (3.0.0) + * + * @param object[] $sites An array of site objects belonging to the user. + * @param int $user_id User ID. + * @param bool $all Whether the returned sites array should contain all sites, including + * those marked 'deleted', 'archived', or 'spam'. Default false. + */ + return apply_filters( 'get_blogs_of_user', $sites, $user_id, $all ); +} + +/** + * Finds out whether a user is a member of a given blog. + * + * @since MU (3.0.0) + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int $user_id Optional. The unique ID of the user. Defaults to the current user. + * @param int $blog_id Optional. ID of the blog to check. Defaults to the current site. + * @return bool + */ +function is_user_member_of_blog( $user_id = 0, $blog_id = 0 ) { + global $wpdb; + + $user_id = (int) $user_id; + $blog_id = (int) $blog_id; + + if ( empty( $user_id ) ) { + $user_id = get_current_user_id(); + } + + /* + * Technically not needed, but does save calls to get_site() and get_user_meta() + * in the event that the function is called when a user isn't logged in. + */ + if ( empty( $user_id ) ) { + return false; + } else { + $user = get_userdata( $user_id ); + if ( ! $user instanceof WP_User ) { + return false; + } + } + + if ( ! is_multisite() ) { + return true; + } + + if ( empty( $blog_id ) ) { + $blog_id = get_current_blog_id(); + } + + $blog = get_site( $blog_id ); + + if ( ! $blog || ! isset( $blog->domain ) || $blog->archived || $blog->spam || $blog->deleted ) { + return false; + } + + $keys = get_user_meta( $user_id ); + if ( empty( $keys ) ) { + return false; + } + + // No underscore before capabilities in $base_capabilities_key. + $base_capabilities_key = $wpdb->base_prefix . 'capabilities'; + $site_capabilities_key = $wpdb->base_prefix . $blog_id . '_capabilities'; + + if ( isset( $keys[ $base_capabilities_key ] ) && 1 == $blog_id ) { + return true; + } + + if ( isset( $keys[ $site_capabilities_key ] ) ) { + return true; + } + + return false; +} + +/** + * Adds meta data to a user. + * + * @since 3.0.0 + * + * @param int $user_id User ID. + * @param string $meta_key Metadata name. + * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. + * @param bool $unique Optional. Whether the same key should not be added. + * Default false. + * @return int|false Meta ID on success, false on failure. + */ +function add_user_meta( $user_id, $meta_key, $meta_value, $unique = false ) { + return add_metadata( 'user', $user_id, $meta_key, $meta_value, $unique ); +} + +/** + * Removes metadata matching criteria from a user. + * + * You can match based on the key, or key and value. Removing based on key and + * value, will keep from removing duplicate metadata with the same key. It also + * allows removing all metadata matching key, if needed. + * + * @since 3.0.0 + * + * @link https://developer.wordpress.org/reference/functions/delete_user_meta/ + * + * @param int $user_id User ID + * @param string $meta_key Metadata name. + * @param mixed $meta_value Optional. Metadata value. If provided, + * rows will only be removed that match the value. + * Must be serializable if non-scalar. Default empty. + * @return bool True on success, false on failure. + */ +function delete_user_meta( $user_id, $meta_key, $meta_value = '' ) { + return delete_metadata( 'user', $user_id, $meta_key, $meta_value ); +} + +/** + * Retrieves user meta field for a user. + * + * @since 3.0.0 + * + * @link https://developer.wordpress.org/reference/functions/get_user_meta/ + * + * @param int $user_id User ID. + * @param string $key Optional. The meta key to retrieve. By default, + * returns data for all keys. + * @param bool $single Optional. Whether to return a single value. + * This parameter has no effect if `$key` is not specified. + * Default false. + * @return mixed An array of values if `$single` is false. + * The value of meta data field if `$single` is true. + * False for an invalid `$user_id` (non-numeric, zero, or negative value). + * An empty string if a valid but non-existing user ID is passed. + */ +function get_user_meta( $user_id, $key = '', $single = false ) { + return get_metadata( 'user', $user_id, $key, $single ); +} + +/** + * Updates user meta field based on user ID. + * + * Use the $prev_value parameter to differentiate between meta fields with the + * same key and user ID. + * + * If the meta field for the user does not exist, it will be added. + * + * @since 3.0.0 + * + * @link https://developer.wordpress.org/reference/functions/update_user_meta/ + * + * @param int $user_id User ID. + * @param string $meta_key Metadata key. + * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. + * @param mixed $prev_value Optional. Previous value to check before updating. + * If specified, only update existing metadata entries with + * this value. Otherwise, update all entries. Default empty. + * @return int|bool Meta ID if the key didn't exist, true on successful update, + * false on failure or if the value passed to the function + * is the same as the one that is already in the database. + */ +function update_user_meta( $user_id, $meta_key, $meta_value, $prev_value = '' ) { + return update_metadata( 'user', $user_id, $meta_key, $meta_value, $prev_value ); +} + +/** + * Counts number of users who have each of the user roles. + * + * Assumes there are neither duplicated nor orphaned capabilities meta_values. + * Assumes role names are unique phrases. Same assumption made by WP_User_Query::prepare_query() + * Using $strategy = 'time' this is CPU-intensive and should handle around 10^7 users. + * Using $strategy = 'memory' this is memory-intensive and should handle around 10^5 users, but see WP Bug #12257. + * + * @since 3.0.0 + * @since 4.4.0 The number of users with no role is now included in the `none` element. + * @since 4.9.0 The `$site_id` parameter was added to support multisite. + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $strategy Optional. The computational strategy to use when counting the users. + * Accepts either 'time' or 'memory'. Default 'time'. + * @param int|null $site_id Optional. The site ID to count users for. Defaults to the current site. + * @return array { + * User counts. + * + * @type int $total_users Total number of users on the site. + * @type int[] $avail_roles Array of user counts keyed by user role. + * } + */ +function count_users( $strategy = 'time', $site_id = null ) { + global $wpdb; + + // Initialize. + if ( ! $site_id ) { + $site_id = get_current_blog_id(); + } + + /** + * Filters the user count before queries are run. + * + * Return a non-null value to cause count_users() to return early. + * + * @since 5.1.0 + * + * @param null|array $result The value to return instead. Default null to continue with the query. + * @param string $strategy Optional. The computational strategy to use when counting the users. + * Accepts either 'time' or 'memory'. Default 'time'. + * @param int $site_id The site ID to count users for. + */ + $pre = apply_filters( 'pre_count_users', null, $strategy, $site_id ); + + if ( null !== $pre ) { + return $pre; + } + + $blog_prefix = $wpdb->get_blog_prefix( $site_id ); + $result = array(); + + if ( 'time' === $strategy ) { + if ( is_multisite() && get_current_blog_id() != $site_id ) { + switch_to_blog( $site_id ); + $avail_roles = wp_roles()->get_names(); + restore_current_blog(); + } else { + $avail_roles = wp_roles()->get_names(); + } + + // Build a CPU-intensive query that will return concise information. + $select_count = array(); + foreach ( $avail_roles as $this_role => $name ) { + $select_count[] = $wpdb->prepare( 'COUNT(NULLIF(`meta_value` LIKE %s, false))', '%' . $wpdb->esc_like( '"' . $this_role . '"' ) . '%' ); + } + $select_count[] = "COUNT(NULLIF(`meta_value` = 'a:0:{}', false))"; + $select_count = implode( ', ', $select_count ); + + // Add the meta_value index to the selection list, then run the query. + $row = $wpdb->get_row( + " + SELECT {$select_count}, COUNT(*) + FROM {$wpdb->usermeta} + INNER JOIN {$wpdb->users} ON user_id = ID + WHERE meta_key = '{$blog_prefix}capabilities' + ", + ARRAY_N + ); + + // Run the previous loop again to associate results with role names. + $col = 0; + $role_counts = array(); + foreach ( $avail_roles as $this_role => $name ) { + $count = (int) $row[ $col++ ]; + if ( $count > 0 ) { + $role_counts[ $this_role ] = $count; + } + } + + $role_counts['none'] = (int) $row[ $col++ ]; + + // Get the meta_value index from the end of the result set. + $total_users = (int) $row[ $col ]; + + $result['total_users'] = $total_users; + $result['avail_roles'] =& $role_counts; + } else { + $avail_roles = array( + 'none' => 0, + ); + + $users_of_blog = $wpdb->get_col( + " + SELECT meta_value + FROM {$wpdb->usermeta} + INNER JOIN {$wpdb->users} ON user_id = ID + WHERE meta_key = '{$blog_prefix}capabilities' + " + ); + + foreach ( $users_of_blog as $caps_meta ) { + $b_roles = maybe_unserialize( $caps_meta ); + if ( ! is_array( $b_roles ) ) { + continue; + } + if ( empty( $b_roles ) ) { + ++$avail_roles['none']; + } + foreach ( $b_roles as $b_role => $val ) { + if ( isset( $avail_roles[ $b_role ] ) ) { + ++$avail_roles[ $b_role ]; + } else { + $avail_roles[ $b_role ] = 1; + } + } + } + + $result['total_users'] = count( $users_of_blog ); + $result['avail_roles'] =& $avail_roles; + } + + return $result; +} + +/** + * Returns the number of active users in your installation. + * + * Note that on a large site the count may be cached and only updated twice daily. + * + * @since MU (3.0.0) + * @since 4.8.0 The `$network_id` parameter has been added. + * @since 6.0.0 Moved to wp-includes/user.php. + * + * @param int|null $network_id ID of the network. Defaults to the current network. + * @return int Number of active users on the network. + */ +function get_user_count( $network_id = null ) { + if ( ! is_multisite() && null !== $network_id ) { + _doing_it_wrong( + __FUNCTION__, + sprintf( + /* translators: %s: $network_id */ + __( 'Unable to pass %s if not using multisite.' ), + '<code>$network_id</code>' + ), + '6.0.0' + ); + } + + return (int) get_network_option( $network_id, 'user_count', -1 ); +} + +/** + * Updates the total count of users on the site if live user counting is enabled. + * + * @since 6.0.0 + * + * @param int|null $network_id ID of the network. Defaults to the current network. + * @return bool Whether the update was successful. + */ +function wp_maybe_update_user_counts( $network_id = null ) { + if ( ! is_multisite() && null !== $network_id ) { + _doing_it_wrong( + __FUNCTION__, + sprintf( + /* translators: %s: $network_id */ + __( 'Unable to pass %s if not using multisite.' ), + '<code>$network_id</code>' + ), + '6.0.0' + ); + } + + $is_small_network = ! wp_is_large_user_count( $network_id ); + /** This filter is documented in wp-includes/ms-functions.php */ + if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'users' ) ) { + return false; + } + + return wp_update_user_counts( $network_id ); +} + +/** + * Updates the total count of users on the site. + * + * @global wpdb $wpdb WordPress database abstraction object. + * @since 6.0.0 + * + * @param int|null $network_id ID of the network. Defaults to the current network. + * @return bool Whether the update was successful. + */ +function wp_update_user_counts( $network_id = null ) { + global $wpdb; + + if ( ! is_multisite() && null !== $network_id ) { + _doing_it_wrong( + __FUNCTION__, + sprintf( + /* translators: %s: $network_id */ + __( 'Unable to pass %s if not using multisite.' ), + '<code>$network_id</code>' + ), + '6.0.0' + ); + } + + $query = "SELECT COUNT(ID) as c FROM $wpdb->users"; + if ( is_multisite() ) { + $query .= " WHERE spam = '0' AND deleted = '0'"; + } + + $count = $wpdb->get_var( $query ); + + return update_network_option( $network_id, 'user_count', $count ); +} + +/** + * Schedules a recurring recalculation of the total count of users. + * + * @since 6.0.0 + */ +function wp_schedule_update_user_counts() { + if ( ! is_main_site() ) { + return; + } + + if ( ! wp_next_scheduled( 'wp_update_user_counts' ) && ! wp_installing() ) { + wp_schedule_event( time(), 'twicedaily', 'wp_update_user_counts' ); + } +} + +/** + * Determines whether the site has a large number of users. + * + * The default criteria for a large site is more than 10,000 users. + * + * @since 6.0.0 + * + * @param int|null $network_id ID of the network. Defaults to the current network. + * @return bool Whether the site has a large number of users. + */ +function wp_is_large_user_count( $network_id = null ) { + if ( ! is_multisite() && null !== $network_id ) { + _doing_it_wrong( + __FUNCTION__, + sprintf( + /* translators: %s: $network_id */ + __( 'Unable to pass %s if not using multisite.' ), + '<code>$network_id</code>' + ), + '6.0.0' + ); + } + + $count = get_user_count( $network_id ); + + /** + * Filters whether the site is considered large, based on its number of users. + * + * @since 6.0.0 + * + * @param bool $is_large_user_count Whether the site has a large number of users. + * @param int $count The total number of users. + * @param int|null $network_id ID of the network. `null` represents the current network. + */ + return apply_filters( 'wp_is_large_user_count', $count > 10000, $count, $network_id ); +} + +// +// Private helper functions. +// + +/** + * Sets up global user vars. + * + * Used by wp_set_current_user() for back compat. Might be deprecated in the future. + * + * @since 2.0.4 + * + * @global string $user_login The user username for logging in + * @global WP_User $userdata User data. + * @global int $user_level The level of the user + * @global int $user_ID The ID of the user + * @global string $user_email The email address of the user + * @global string $user_url The url in the user's profile + * @global string $user_identity The display name of the user + * + * @param int $for_user_id Optional. User ID to set up global data. Default 0. + */ +function setup_userdata( $for_user_id = 0 ) { + global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_identity; + + if ( ! $for_user_id ) { + $for_user_id = get_current_user_id(); + } + $user = get_userdata( $for_user_id ); + + if ( ! $user ) { + $user_ID = 0; + $user_level = 0; + $userdata = null; + $user_login = ''; + $user_email = ''; + $user_url = ''; + $user_identity = ''; + return; + } + + $user_ID = (int) $user->ID; + $user_level = (int) $user->user_level; + $userdata = $user; + $user_login = $user->user_login; + $user_email = $user->user_email; + $user_url = $user->user_url; + $user_identity = $user->display_name; +} + +/** + * Creates dropdown HTML content of users. + * + * The content can either be displayed, which it is by default or retrieved by + * setting the 'echo' argument. The 'include' and 'exclude' arguments do not + * need to be used; all users will be displayed in that case. Only one can be + * used, either 'include' or 'exclude', but not both. + * + * The available arguments are as follows: + * + * @since 2.3.0 + * @since 4.5.0 Added the 'display_name_with_login' value for 'show'. + * @since 4.7.0 Added the `$role`, `$role__in`, and `$role__not_in` parameters. + * + * @param array|string $args { + * Optional. Array or string of arguments to generate a drop-down of users. + * See WP_User_Query::prepare_query() for additional available arguments. + * + * @type string $show_option_all Text to show as the drop-down default (all). + * Default empty. + * @type string $show_option_none Text to show as the drop-down default when no + * users were found. Default empty. + * @type int|string $option_none_value Value to use for $show_option_none when no users + * were found. Default -1. + * @type string $hide_if_only_one_author Whether to skip generating the drop-down + * if only one user was found. Default empty. + * @type string $orderby Field to order found users by. Accepts user fields. + * Default 'display_name'. + * @type string $order Whether to order users in ascending or descending + * order. Accepts 'ASC' (ascending) or 'DESC' (descending). + * Default 'ASC'. + * @type int[]|string $include Array or comma-separated list of user IDs to include. + * Default empty. + * @type int[]|string $exclude Array or comma-separated list of user IDs to exclude. + * Default empty. + * @type bool|int $multi Whether to skip the ID attribute on the 'select' element. + * Accepts 1|true or 0|false. Default 0|false. + * @type string $show User data to display. If the selected item is empty + * then the 'user_login' will be displayed in parentheses. + * Accepts any user field, or 'display_name_with_login' to show + * the display name with user_login in parentheses. + * Default 'display_name'. + * @type int|bool $echo Whether to echo or return the drop-down. Accepts 1|true (echo) + * or 0|false (return). Default 1|true. + * @type int $selected Which user ID should be selected. Default 0. + * @type bool $include_selected Whether to always include the selected user ID in the drop- + * down. Default false. + * @type string $name Name attribute of select element. Default 'user'. + * @type string $id ID attribute of the select element. Default is the value of $name. + * @type string $class Class attribute of the select element. Default empty. + * @type int $blog_id ID of blog (Multisite only). Default is ID of the current blog. + * @type string $who Which type of users to query. Accepts only an empty string or + * 'authors'. Default empty. + * @type string|array $role An array or a comma-separated list of role names that users must + * match to be included in results. Note that this is an inclusive + * list: users must match *each* role. Default empty. + * @type string[] $role__in An array of role names. Matched users must have at least one of + * these roles. Default empty array. + * @type string[] $role__not_in An array of role names to exclude. Users matching one or more of + * these roles will not be included in results. Default empty array. + * } + * @return string HTML dropdown list of users. + */ +function wp_dropdown_users( $args = '' ) { + $defaults = array( + 'show_option_all' => '', + 'show_option_none' => '', + 'hide_if_only_one_author' => '', + 'orderby' => 'display_name', + 'order' => 'ASC', + 'include' => '', + 'exclude' => '', + 'multi' => 0, + 'show' => 'display_name', + 'echo' => 1, + 'selected' => 0, + 'name' => 'user', + 'class' => '', + 'id' => '', + 'blog_id' => get_current_blog_id(), + 'who' => '', + 'include_selected' => false, + 'option_none_value' => -1, + 'role' => '', + 'role__in' => array(), + 'role__not_in' => array(), + 'capability' => '', + 'capability__in' => array(), + 'capability__not_in' => array(), + ); + + $defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0; + + $parsed_args = wp_parse_args( $args, $defaults ); + + $query_args = wp_array_slice_assoc( + $parsed_args, + array( + 'blog_id', + 'include', + 'exclude', + 'orderby', + 'order', + 'who', + 'role', + 'role__in', + 'role__not_in', + 'capability', + 'capability__in', + 'capability__not_in', + ) + ); + + $fields = array( 'ID', 'user_login' ); + + $show = ! empty( $parsed_args['show'] ) ? $parsed_args['show'] : 'display_name'; + if ( 'display_name_with_login' === $show ) { + $fields[] = 'display_name'; + } else { + $fields[] = $show; + } + + $query_args['fields'] = $fields; + + $show_option_all = $parsed_args['show_option_all']; + $show_option_none = $parsed_args['show_option_none']; + $option_none_value = $parsed_args['option_none_value']; + + /** + * Filters the query arguments for the list of users in the dropdown. + * + * @since 4.4.0 + * + * @param array $query_args The query arguments for get_users(). + * @param array $parsed_args The arguments passed to wp_dropdown_users() combined with the defaults. + */ + $query_args = apply_filters( 'wp_dropdown_users_args', $query_args, $parsed_args ); + + $users = get_users( $query_args ); + + $output = ''; + if ( ! empty( $users ) && ( empty( $parsed_args['hide_if_only_one_author'] ) || count( $users ) > 1 ) ) { + $name = esc_attr( $parsed_args['name'] ); + if ( $parsed_args['multi'] && ! $parsed_args['id'] ) { + $id = ''; + } else { + $id = $parsed_args['id'] ? " id='" . esc_attr( $parsed_args['id'] ) . "'" : " id='$name'"; + } + $output = "<select name='{$name}'{$id} class='" . $parsed_args['class'] . "'>\n"; + + if ( $show_option_all ) { + $output .= "\t<option value='0'>$show_option_all</option>\n"; + } + + if ( $show_option_none ) { + $_selected = selected( $option_none_value, $parsed_args['selected'], false ); + $output .= "\t<option value='" . esc_attr( $option_none_value ) . "'$_selected>$show_option_none</option>\n"; + } + + if ( $parsed_args['include_selected'] && ( $parsed_args['selected'] > 0 ) ) { + $found_selected = false; + $parsed_args['selected'] = (int) $parsed_args['selected']; + + foreach ( (array) $users as $user ) { + $user->ID = (int) $user->ID; + if ( $user->ID === $parsed_args['selected'] ) { + $found_selected = true; + } + } + + if ( ! $found_selected ) { + $selected_user = get_userdata( $parsed_args['selected'] ); + if ( $selected_user ) { + $users[] = $selected_user; + } + } + } + + foreach ( (array) $users as $user ) { + if ( 'display_name_with_login' === $show ) { + /* translators: 1: User's display name, 2: User login. */ + $display = sprintf( _x( '%1$s (%2$s)', 'user dropdown' ), $user->display_name, $user->user_login ); + } elseif ( ! empty( $user->$show ) ) { + $display = $user->$show; + } else { + $display = '(' . $user->user_login . ')'; + } + + $_selected = selected( $user->ID, $parsed_args['selected'], false ); + $output .= "\t<option value='$user->ID'$_selected>" . esc_html( $display ) . "</option>\n"; + } + + $output .= '</select>'; + } + + /** + * Filters the wp_dropdown_users() HTML output. + * + * @since 2.3.0 + * + * @param string $output HTML output generated by wp_dropdown_users(). + */ + $html = apply_filters( 'wp_dropdown_users', $output ); + + if ( $parsed_args['echo'] ) { + echo $html; + } + return $html; +} + +/** + * Sanitizes user field based on context. + * + * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The + * 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display' + * when calling filters. + * + * @since 2.3.0 + * + * @param string $field The user Object field name. + * @param mixed $value The user Object value. + * @param int $user_id User ID. + * @param string $context How to sanitize user fields. Looks for 'raw', 'edit', 'db', 'display', + * 'attribute' and 'js'. + * @return mixed Sanitized value. + */ +function sanitize_user_field( $field, $value, $user_id, $context ) { + $int_fields = array( 'ID' ); + if ( in_array( $field, $int_fields, true ) ) { + $value = (int) $value; + } + + if ( 'raw' === $context ) { + return $value; + } + + if ( ! is_string( $value ) && ! is_numeric( $value ) ) { + return $value; + } + + $prefixed = str_contains( $field, 'user_' ); + + if ( 'edit' === $context ) { + if ( $prefixed ) { + + /** This filter is documented in wp-includes/post.php */ + $value = apply_filters( "edit_{$field}", $value, $user_id ); + } else { + + /** + * Filters a user field value in the 'edit' context. + * + * The dynamic portion of the hook name, `$field`, refers to the prefixed user + * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. + * + * @since 2.9.0 + * + * @param mixed $value Value of the prefixed user field. + * @param int $user_id User ID. + */ + $value = apply_filters( "edit_user_{$field}", $value, $user_id ); + } + + if ( 'description' === $field ) { + $value = esc_html( $value ); // textarea_escaped? + } else { + $value = esc_attr( $value ); + } + } elseif ( 'db' === $context ) { + if ( $prefixed ) { + /** This filter is documented in wp-includes/post.php */ + $value = apply_filters( "pre_{$field}", $value ); + } else { + + /** + * Filters the value of a user field in the 'db' context. + * + * The dynamic portion of the hook name, `$field`, refers to the prefixed user + * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. + * + * @since 2.9.0 + * + * @param mixed $value Value of the prefixed user field. + */ + $value = apply_filters( "pre_user_{$field}", $value ); + } + } else { + // Use display filters by default. + if ( $prefixed ) { + + /** This filter is documented in wp-includes/post.php */ + $value = apply_filters( "{$field}", $value, $user_id, $context ); + } else { + + /** + * Filters the value of a user field in a standard context. + * + * The dynamic portion of the hook name, `$field`, refers to the prefixed user + * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. + * + * @since 2.9.0 + * + * @param mixed $value The user object value to sanitize. + * @param int $user_id User ID. + * @param string $context The context to filter within. + */ + $value = apply_filters( "user_{$field}", $value, $user_id, $context ); + } + } + + if ( 'user_url' === $field ) { + $value = esc_url( $value ); + } + + if ( 'attribute' === $context ) { + $value = esc_attr( $value ); + } elseif ( 'js' === $context ) { + $value = esc_js( $value ); + } + + // Restore the type for integer fields after esc_attr(). + if ( in_array( $field, $int_fields, true ) ) { + $value = (int) $value; + } + + return $value; +} + +/** + * Updates all user caches. + * + * @since 3.0.0 + * + * @param object|WP_User $user User object or database row to be cached + * @return void|false Void on success, false on failure. + */ +function update_user_caches( $user ) { + if ( $user instanceof WP_User ) { + if ( ! $user->exists() ) { + return false; + } + + $user = $user->data; + } + + wp_cache_add( $user->ID, $user, 'users' ); + wp_cache_add( $user->user_login, $user->ID, 'userlogins' ); + wp_cache_add( $user->user_nicename, $user->ID, 'userslugs' ); + + if ( ! empty( $user->user_email ) ) { + wp_cache_add( $user->user_email, $user->ID, 'useremail' ); + } +} + +/** + * Cleans all user caches. + * + * @since 3.0.0 + * @since 4.4.0 'clean_user_cache' action was added. + * @since 6.2.0 User metadata caches are now cleared. + * + * @param WP_User|int $user User object or ID to be cleaned from the cache + */ +function clean_user_cache( $user ) { + if ( is_numeric( $user ) ) { + $user = new WP_User( $user ); + } + + if ( ! $user->exists() ) { + return; + } + + wp_cache_delete( $user->ID, 'users' ); + wp_cache_delete( $user->user_login, 'userlogins' ); + wp_cache_delete( $user->user_nicename, 'userslugs' ); + + if ( ! empty( $user->user_email ) ) { + wp_cache_delete( $user->user_email, 'useremail' ); + } + + wp_cache_delete( $user->ID, 'user_meta' ); + wp_cache_set_users_last_changed(); + + /** + * Fires immediately after the given user's cache is cleaned. + * + * @since 4.4.0 + * + * @param int $user_id User ID. + * @param WP_User $user User object. + */ + do_action( 'clean_user_cache', $user->ID, $user ); +} + +/** + * Determines whether the given username exists. + * + * For more information on this and similar theme functions, check out + * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ + * Conditional Tags} article in the Theme Developer Handbook. + * + * @since 2.0.0 + * + * @param string $username The username to check for existence. + * @return int|false The user ID on success, false on failure. + */ +function username_exists( $username ) { + $user = get_user_by( 'login', $username ); + if ( $user ) { + $user_id = $user->ID; + } else { + $user_id = false; + } + + /** + * Filters whether the given username exists. + * + * @since 4.9.0 + * + * @param int|false $user_id The user ID associated with the username, + * or false if the username does not exist. + * @param string $username The username to check for existence. + */ + return apply_filters( 'username_exists', $user_id, $username ); +} + +/** + * Determines whether the given email exists. + * + * For more information on this and similar theme functions, check out + * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ + * Conditional Tags} article in the Theme Developer Handbook. + * + * @since 2.1.0 + * + * @param string $email The email to check for existence. + * @return int|false The user ID on success, false on failure. + */ +function email_exists( $email ) { + $user = get_user_by( 'email', $email ); + if ( $user ) { + $user_id = $user->ID; + } else { + $user_id = false; + } + + /** + * Filters whether the given email exists. + * + * @since 5.6.0 + * + * @param int|false $user_id The user ID associated with the email, + * or false if the email does not exist. + * @param string $email The email to check for existence. + */ + return apply_filters( 'email_exists', $user_id, $email ); +} + +/** + * Checks whether a username is valid. + * + * @since 2.0.1 + * @since 4.4.0 Empty sanitized usernames are now considered invalid. + * + * @param string $username Username. + * @return bool Whether username given is valid. + */ +function validate_username( $username ) { + $sanitized = sanitize_user( $username, true ); + $valid = ( $sanitized == $username && ! empty( $sanitized ) ); + + /** + * Filters whether the provided username is valid. + * + * @since 2.0.1 + * + * @param bool $valid Whether given username is valid. + * @param string $username Username to check. + */ + return apply_filters( 'validate_username', $valid, $username ); +} + +/** + * Inserts a user into the database. + * + * Most of the `$userdata` array fields have filters associated with the values. Exceptions are + * 'ID', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl', + * 'user_registered', 'user_activation_key', 'spam', and 'role'. The filters have the prefix + * 'pre_user_' followed by the field name. An example using 'description' would have the filter + * called 'pre_user_description' that can be hooked into. + * + * @since 2.0.0 + * @since 3.6.0 The `aim`, `jabber`, and `yim` fields were removed as default user contact + * methods for new installations. See wp_get_user_contact_methods(). + * @since 4.7.0 The `locale` field can be passed to `$userdata`. + * @since 5.3.0 The `user_activation_key` field can be passed to `$userdata`. + * @since 5.3.0 The `spam` field can be passed to `$userdata` (Multisite only). + * @since 5.9.0 The `meta_input` field can be passed to `$userdata` to allow addition of user meta data. + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param array|object|WP_User $userdata { + * An array, object, or WP_User object of user data arguments. + * + * @type int $ID User ID. If supplied, the user will be updated. + * @type string $user_pass The plain-text user password for new users. + * Hashed password for existing users. + * @type string $user_login The user's login username. + * @type string $user_nicename The URL-friendly user name. + * @type string $user_url The user URL. + * @type string $user_email The user email address. + * @type string $display_name The user's display name. + * Default is the user's username. + * @type string $nickname The user's nickname. + * Default is the user's username. + * @type string $first_name The user's first name. For new users, will be used + * to build the first part of the user's display name + * if `$display_name` is not specified. + * @type string $last_name The user's last name. For new users, will be used + * to build the second part of the user's display name + * if `$display_name` is not specified. + * @type string $description The user's biographical description. + * @type string $rich_editing Whether to enable the rich-editor for the user. + * Accepts 'true' or 'false' as a string literal, + * not boolean. Default 'true'. + * @type string $syntax_highlighting Whether to enable the rich code editor for the user. + * Accepts 'true' or 'false' as a string literal, + * not boolean. Default 'true'. + * @type string $comment_shortcuts Whether to enable comment moderation keyboard + * shortcuts for the user. Accepts 'true' or 'false' + * as a string literal, not boolean. Default 'false'. + * @type string $admin_color Admin color scheme for the user. Default 'fresh'. + * @type bool $use_ssl Whether the user should always access the admin over + * https. Default false. + * @type string $user_registered Date the user registered in UTC. Format is 'Y-m-d H:i:s'. + * @type string $user_activation_key Password reset key. Default empty. + * @type bool $spam Multisite only. Whether the user is marked as spam. + * Default false. + * @type string $show_admin_bar_front Whether to display the Admin Bar for the user + * on the site's front end. Accepts 'true' or 'false' + * as a string literal, not boolean. Default 'true'. + * @type string $role User's role. + * @type string $locale User's locale. Default empty. + * @type array $meta_input Array of custom user meta values keyed by meta key. + * Default empty. + * } + * @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not + * be created. + */ +function wp_insert_user( $userdata ) { + global $wpdb; + + if ( $userdata instanceof stdClass ) { + $userdata = get_object_vars( $userdata ); + } elseif ( $userdata instanceof WP_User ) { + $userdata = $userdata->to_array(); + } + + // Are we updating or creating? + if ( ! empty( $userdata['ID'] ) ) { + $user_id = (int) $userdata['ID']; + $update = true; + $old_user_data = get_userdata( $user_id ); + + if ( ! $old_user_data ) { + return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) ); + } + + // Hashed in wp_update_user(), plaintext if called directly. + $user_pass = ! empty( $userdata['user_pass'] ) ? $userdata['user_pass'] : $old_user_data->user_pass; + } else { + $update = false; + // Hash the password. + $user_pass = wp_hash_password( $userdata['user_pass'] ); + } + + $sanitized_user_login = sanitize_user( $userdata['user_login'], true ); + + /** + * Filters a username after it has been sanitized. + * + * This filter is called before the user is created or updated. + * + * @since 2.0.3 + * + * @param string $sanitized_user_login Username after it has been sanitized. + */ + $pre_user_login = apply_filters( 'pre_user_login', $sanitized_user_login ); + + // Remove any non-printable chars from the login string to see if we have ended up with an empty username. + $user_login = trim( $pre_user_login ); + + // user_login must be between 0 and 60 characters. + if ( empty( $user_login ) ) { + return new WP_Error( 'empty_user_login', __( 'Cannot create a user with an empty login name.' ) ); + } elseif ( mb_strlen( $user_login ) > 60 ) { + return new WP_Error( 'user_login_too_long', __( 'Username may not be longer than 60 characters.' ) ); + } + + if ( ! $update && username_exists( $user_login ) ) { + return new WP_Error( 'existing_user_login', __( 'Sorry, that username already exists!' ) ); + } + + /** + * Filters the list of disallowed usernames. + * + * @since 4.4.0 + * + * @param array $usernames Array of disallowed usernames. + */ + $illegal_logins = (array) apply_filters( 'illegal_user_logins', array() ); + + if ( in_array( strtolower( $user_login ), array_map( 'strtolower', $illegal_logins ), true ) ) { + return new WP_Error( 'invalid_username', __( 'Sorry, that username is not allowed.' ) ); + } + + /* + * If a nicename is provided, remove unsafe user characters before using it. + * Otherwise build a nicename from the user_login. + */ + if ( ! empty( $userdata['user_nicename'] ) ) { + $user_nicename = sanitize_user( $userdata['user_nicename'], true ); + } else { + $user_nicename = mb_substr( $user_login, 0, 50 ); + } + + $user_nicename = sanitize_title( $user_nicename ); + + /** + * Filters a user's nicename before the user is created or updated. + * + * @since 2.0.3 + * + * @param string $user_nicename The user's nicename. + */ + $user_nicename = apply_filters( 'pre_user_nicename', $user_nicename ); + + if ( mb_strlen( $user_nicename ) > 50 ) { + return new WP_Error( 'user_nicename_too_long', __( 'Nicename may not be longer than 50 characters.' ) ); + } + + $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 ) ); + + if ( $user_nicename_check ) { + $suffix = 2; + while ( $user_nicename_check ) { + // user_nicename allows 50 chars. Subtract one for a hyphen, plus the length of the suffix. + $base_length = 49 - mb_strlen( $suffix ); + $alt_user_nicename = mb_substr( $user_nicename, 0, $base_length ) . "-$suffix"; + $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, $user_login ) ); + ++$suffix; + } + $user_nicename = $alt_user_nicename; + } + + $raw_user_email = empty( $userdata['user_email'] ) ? '' : $userdata['user_email']; + + /** + * Filters a user's email before the user is created or updated. + * + * @since 2.0.3 + * + * @param string $raw_user_email The user's email. + */ + $user_email = apply_filters( 'pre_user_email', $raw_user_email ); + + /* + * If there is no update, just check for `email_exists`. If there is an update, + * check if current email and new email are the same, and check `email_exists` + * accordingly. + */ + if ( ( ! $update || ( ! empty( $old_user_data ) && 0 !== strcasecmp( $user_email, $old_user_data->user_email ) ) ) + && ! defined( 'WP_IMPORTING' ) + && email_exists( $user_email ) + ) { + return new WP_Error( 'existing_user_email', __( 'Sorry, that email address is already used!' ) ); + } + + $raw_user_url = empty( $userdata['user_url'] ) ? '' : $userdata['user_url']; + + /** + * Filters a user's URL before the user is created or updated. + * + * @since 2.0.3 + * + * @param string $raw_user_url The user's URL. + */ + $user_url = apply_filters( 'pre_user_url', $raw_user_url ); + + if ( mb_strlen( $user_url ) > 100 ) { + return new WP_Error( 'user_url_too_long', __( 'User URL may not be longer than 100 characters.' ) ); + } + + $user_registered = empty( $userdata['user_registered'] ) ? gmdate( 'Y-m-d H:i:s' ) : $userdata['user_registered']; + + $user_activation_key = empty( $userdata['user_activation_key'] ) ? '' : $userdata['user_activation_key']; + + if ( ! empty( $userdata['spam'] ) && ! is_multisite() ) { + return new WP_Error( 'no_spam', __( 'Sorry, marking a user as spam is only supported on Multisite.' ) ); + } + + $spam = empty( $userdata['spam'] ) ? 0 : (bool) $userdata['spam']; + + // Store values to save in user meta. + $meta = array(); + + $nickname = empty( $userdata['nickname'] ) ? $user_login : $userdata['nickname']; + + /** + * Filters a user's nickname before the user is created or updated. + * + * @since 2.0.3 + * + * @param string $nickname The user's nickname. + */ + $meta['nickname'] = apply_filters( 'pre_user_nickname', $nickname ); + + $first_name = empty( $userdata['first_name'] ) ? '' : $userdata['first_name']; + + /** + * Filters a user's first name before the user is created or updated. + * + * @since 2.0.3 + * + * @param string $first_name The user's first name. + */ + $meta['first_name'] = apply_filters( 'pre_user_first_name', $first_name ); + + $last_name = empty( $userdata['last_name'] ) ? '' : $userdata['last_name']; + + /** + * Filters a user's last name before the user is created or updated. + * + * @since 2.0.3 + * + * @param string $last_name The user's last name. + */ + $meta['last_name'] = apply_filters( 'pre_user_last_name', $last_name ); + + if ( empty( $userdata['display_name'] ) ) { + if ( $update ) { + $display_name = $user_login; + } elseif ( $meta['first_name'] && $meta['last_name'] ) { + $display_name = sprintf( + /* translators: 1: User's first name, 2: Last name. */ + _x( '%1$s %2$s', 'Display name based on first name and last name' ), + $meta['first_name'], + $meta['last_name'] + ); + } elseif ( $meta['first_name'] ) { + $display_name = $meta['first_name']; + } elseif ( $meta['last_name'] ) { + $display_name = $meta['last_name']; + } else { + $display_name = $user_login; + } + } else { + $display_name = $userdata['display_name']; + } + + /** + * Filters a user's display name before the user is created or updated. + * + * @since 2.0.3 + * + * @param string $display_name The user's display name. + */ + $display_name = apply_filters( 'pre_user_display_name', $display_name ); + + $description = empty( $userdata['description'] ) ? '' : $userdata['description']; + + /** + * Filters a user's description before the user is created or updated. + * + * @since 2.0.3 + * + * @param string $description The user's description. + */ + $meta['description'] = apply_filters( 'pre_user_description', $description ); + + $meta['rich_editing'] = empty( $userdata['rich_editing'] ) ? 'true' : $userdata['rich_editing']; + + $meta['syntax_highlighting'] = empty( $userdata['syntax_highlighting'] ) ? 'true' : $userdata['syntax_highlighting']; + + $meta['comment_shortcuts'] = empty( $userdata['comment_shortcuts'] ) || 'false' === $userdata['comment_shortcuts'] ? 'false' : 'true'; + + $admin_color = empty( $userdata['admin_color'] ) ? 'fresh' : $userdata['admin_color']; + $meta['admin_color'] = preg_replace( '|[^a-z0-9 _.\-@]|i', '', $admin_color ); + + $meta['use_ssl'] = empty( $userdata['use_ssl'] ) ? 0 : (bool) $userdata['use_ssl']; + + $meta['show_admin_bar_front'] = empty( $userdata['show_admin_bar_front'] ) ? 'true' : $userdata['show_admin_bar_front']; + + $meta['locale'] = isset( $userdata['locale'] ) ? $userdata['locale'] : ''; + + $compacted = compact( 'user_pass', 'user_nicename', 'user_email', 'user_url', 'user_registered', 'user_activation_key', 'display_name' ); + $data = wp_unslash( $compacted ); + + if ( ! $update ) { + $data = $data + compact( 'user_login' ); + } + + if ( is_multisite() ) { + $data = $data + compact( 'spam' ); + } + + /** + * Filters user data before the record is created or updated. + * + * It only includes data in the users table, not any user metadata. + * + * @since 4.9.0 + * @since 5.8.0 The `$userdata` parameter was added. + * + * @param array $data { + * Values and keys for the user. + * + * @type string $user_login The user's login. Only included if $update == false + * @type string $user_pass The user's password. + * @type string $user_email The user's email. + * @type string $user_url The user's url. + * @type string $user_nicename The user's nice name. Defaults to a URL-safe version of user's login + * @type string $display_name The user's display name. + * @type string $user_registered MySQL timestamp describing the moment when the user registered. Defaults to + * the current UTC timestamp. + * } + * @param bool $update Whether the user is being updated rather than created. + * @param int|null $user_id ID of the user to be updated, or NULL if the user is being created. + * @param array $userdata The raw array of data passed to wp_insert_user(). + */ + $data = apply_filters( 'wp_pre_insert_user_data', $data, $update, ( $update ? $user_id : null ), $userdata ); + + if ( empty( $data ) || ! is_array( $data ) ) { + return new WP_Error( 'empty_data', __( 'Not enough data to create this user.' ) ); + } + + if ( $update ) { + if ( $user_email !== $old_user_data->user_email || $user_pass !== $old_user_data->user_pass ) { + $data['user_activation_key'] = ''; + } + $wpdb->update( $wpdb->users, $data, array( 'ID' => $user_id ) ); + } else { + $wpdb->insert( $wpdb->users, $data ); + $user_id = (int) $wpdb->insert_id; + } + + $user = new WP_User( $user_id ); + + /** + * Filters a user's meta values and keys immediately after the user is created or updated + * and before any user meta is inserted or updated. + * + * Does not include contact methods. These are added using `wp_get_user_contact_methods( $user )`. + * + * For custom meta fields, see the {@see 'insert_custom_user_meta'} filter. + * + * @since 4.4.0 + * @since 5.8.0 The `$userdata` parameter was added. + * + * @param array $meta { + * Default meta values and keys for the user. + * + * @type string $nickname The user's nickname. Default is the user's username. + * @type string $first_name The user's first name. + * @type string $last_name The user's last name. + * @type string $description The user's description. + * @type string $rich_editing Whether to enable the rich-editor for the user. Default 'true'. + * @type string $syntax_highlighting Whether to enable the rich code editor for the user. Default 'true'. + * @type string $comment_shortcuts Whether to enable keyboard shortcuts for the user. Default 'false'. + * @type string $admin_color The color scheme for a user's admin screen. Default 'fresh'. + * @type int|bool $use_ssl Whether to force SSL on the user's admin area. 0|false if SSL + * is not forced. + * @type string $show_admin_bar_front Whether to show the admin bar on the front end for the user. + * Default 'true'. + * @type string $locale User's locale. Default empty. + * } + * @param WP_User $user User object. + * @param bool $update Whether the user is being updated rather than created. + * @param array $userdata The raw array of data passed to wp_insert_user(). + */ + $meta = apply_filters( 'insert_user_meta', $meta, $user, $update, $userdata ); + + $custom_meta = array(); + if ( array_key_exists( 'meta_input', $userdata ) && is_array( $userdata['meta_input'] ) && ! empty( $userdata['meta_input'] ) ) { + $custom_meta = $userdata['meta_input']; + } + + /** + * Filters a user's custom meta values and keys immediately after the user is created or updated + * and before any user meta is inserted or updated. + * + * For non-custom meta fields, see the {@see 'insert_user_meta'} filter. + * + * @since 5.9.0 + * + * @param array $custom_meta Array of custom user meta values keyed by meta key. + * @param WP_User $user User object. + * @param bool $update Whether the user is being updated rather than created. + * @param array $userdata The raw array of data passed to wp_insert_user(). + */ + $custom_meta = apply_filters( 'insert_custom_user_meta', $custom_meta, $user, $update, $userdata ); + + $meta = array_merge( $meta, $custom_meta ); + + if ( $update ) { + // Update user meta. + foreach ( $meta as $key => $value ) { + update_user_meta( $user_id, $key, $value ); + } + } else { + // Add user meta. + foreach ( $meta as $key => $value ) { + add_user_meta( $user_id, $key, $value ); + } + } + + foreach ( wp_get_user_contact_methods( $user ) as $key => $value ) { + if ( isset( $userdata[ $key ] ) ) { + update_user_meta( $user_id, $key, $userdata[ $key ] ); + } + } + + if ( isset( $userdata['role'] ) ) { + $user->set_role( $userdata['role'] ); + } elseif ( ! $update ) { + $user->set_role( get_option( 'default_role' ) ); + } + + clean_user_cache( $user_id ); + + if ( $update ) { + /** + * Fires immediately after an existing user is updated. + * + * @since 2.0.0 + * @since 5.8.0 The `$userdata` parameter was added. + * + * @param int $user_id User ID. + * @param WP_User $old_user_data Object containing user's data prior to update. + * @param array $userdata The raw array of data passed to wp_insert_user(). + */ + do_action( 'profile_update', $user_id, $old_user_data, $userdata ); + + if ( isset( $userdata['spam'] ) && $userdata['spam'] != $old_user_data->spam ) { + if ( 1 == $userdata['spam'] ) { + /** + * Fires after the user is marked as a SPAM user. + * + * @since 3.0.0 + * + * @param int $user_id ID of the user marked as SPAM. + */ + do_action( 'make_spam_user', $user_id ); + } else { + /** + * Fires after the user is marked as a HAM user. Opposite of SPAM. + * + * @since 3.0.0 + * + * @param int $user_id ID of the user marked as HAM. + */ + do_action( 'make_ham_user', $user_id ); + } + } + } else { + /** + * Fires immediately after a new user is registered. + * + * @since 1.5.0 + * @since 5.8.0 The `$userdata` parameter was added. + * + * @param int $user_id User ID. + * @param array $userdata The raw array of data passed to wp_insert_user(). + */ + do_action( 'user_register', $user_id, $userdata ); + } + + return $user_id; +} + +/** + * Updates a user in the database. + * + * It is possible to update a user's password by specifying the 'user_pass' + * value in the $userdata parameter array. + * + * If current user's password is being updated, then the cookies will be + * cleared. + * + * @since 2.0.0 + * + * @see wp_insert_user() For what fields can be set in $userdata. + * + * @param array|object|WP_User $userdata An array of user data or a user object of type stdClass or WP_User. + * @return int|WP_Error The updated user's ID or a WP_Error object if the user could not be updated. + */ +function wp_update_user( $userdata ) { + if ( $userdata instanceof stdClass ) { + $userdata = get_object_vars( $userdata ); + } elseif ( $userdata instanceof WP_User ) { + $userdata = $userdata->to_array(); + } + + $userdata_raw = $userdata; + + $user_id = isset( $userdata['ID'] ) ? (int) $userdata['ID'] : 0; + if ( ! $user_id ) { + return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) ); + } + + // First, get all of the original fields. + $user_obj = get_userdata( $user_id ); + if ( ! $user_obj ) { + return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) ); + } + + $user = $user_obj->to_array(); + + // Add additional custom fields. + foreach ( _get_additional_user_keys( $user_obj ) as $key ) { + $user[ $key ] = get_user_meta( $user_id, $key, true ); + } + + // Escape data pulled from DB. + $user = add_magic_quotes( $user ); + + if ( ! empty( $userdata['user_pass'] ) && $userdata['user_pass'] !== $user_obj->user_pass ) { + // If password is changing, hash it now. + $plaintext_pass = $userdata['user_pass']; + $userdata['user_pass'] = wp_hash_password( $userdata['user_pass'] ); + + /** + * Filters whether to send the password change email. + * + * @since 4.3.0 + * + * @see wp_insert_user() For `$user` and `$userdata` fields. + * + * @param bool $send Whether to send the email. + * @param array $user The original user array. + * @param array $userdata The updated user array. + */ + $send_password_change_email = apply_filters( 'send_password_change_email', true, $user, $userdata ); + } + + if ( isset( $userdata['user_email'] ) && $user['user_email'] !== $userdata['user_email'] ) { + /** + * Filters whether to send the email change email. + * + * @since 4.3.0 + * + * @see wp_insert_user() For `$user` and `$userdata` fields. + * + * @param bool $send Whether to send the email. + * @param array $user The original user array. + * @param array $userdata The updated user array. + */ + $send_email_change_email = apply_filters( 'send_email_change_email', true, $user, $userdata ); + } + + clean_user_cache( $user_obj ); + + // Merge old and new fields with new fields overwriting old ones. + $userdata = array_merge( $user, $userdata ); + $user_id = wp_insert_user( $userdata ); + + if ( is_wp_error( $user_id ) ) { + return $user_id; + } + + $blog_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); + + $switched_locale = false; + if ( ! empty( $send_password_change_email ) || ! empty( $send_email_change_email ) ) { + $switched_locale = switch_to_user_locale( $user_id ); + } + + if ( ! empty( $send_password_change_email ) ) { + /* translators: Do not translate USERNAME, ADMIN_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */ + $pass_change_text = __( + 'Hi ###USERNAME###, + +This notice confirms that your password was changed on ###SITENAME###. + +If you did not change your password, please contact the Site Administrator at +###ADMIN_EMAIL### + +This email has been sent to ###EMAIL### + +Regards, +All at ###SITENAME### +###SITEURL###' + ); + + $pass_change_email = array( + 'to' => $user['user_email'], + /* translators: Password change notification email subject. %s: Site title. */ + 'subject' => __( '[%s] Password Changed' ), + 'message' => $pass_change_text, + 'headers' => '', + ); + + /** + * Filters the contents of the email sent when the user's password is changed. + * + * @since 4.3.0 + * + * @param array $pass_change_email { + * Used to build wp_mail(). + * + * @type string $to The intended recipients. Add emails in a comma separated string. + * @type string $subject The subject of the email. + * @type string $message The content of the email. + * The following strings have a special meaning and will get replaced dynamically: + * - ###USERNAME### The current user's username. + * - ###ADMIN_EMAIL### The admin email in case this was unexpected. + * - ###EMAIL### The user's email address. + * - ###SITENAME### The name of the site. + * - ###SITEURL### The URL to the site. + * @type string $headers Headers. Add headers in a newline (\r\n) separated string. + * } + * @param array $user The original user array. + * @param array $userdata The updated user array. + */ + $pass_change_email = apply_filters( 'password_change_email', $pass_change_email, $user, $userdata ); + + $pass_change_email['message'] = str_replace( '###USERNAME###', $user['user_login'], $pass_change_email['message'] ); + $pass_change_email['message'] = str_replace( '###ADMIN_EMAIL###', get_option( 'admin_email' ), $pass_change_email['message'] ); + $pass_change_email['message'] = str_replace( '###EMAIL###', $user['user_email'], $pass_change_email['message'] ); + $pass_change_email['message'] = str_replace( '###SITENAME###', $blog_name, $pass_change_email['message'] ); + $pass_change_email['message'] = str_replace( '###SITEURL###', home_url(), $pass_change_email['message'] ); + + wp_mail( $pass_change_email['to'], sprintf( $pass_change_email['subject'], $blog_name ), $pass_change_email['message'], $pass_change_email['headers'] ); + } + + if ( ! empty( $send_email_change_email ) ) { + /* translators: Do not translate USERNAME, ADMIN_EMAIL, NEW_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */ + $email_change_text = __( + 'Hi ###USERNAME###, + +This notice confirms that your email address on ###SITENAME### was changed to ###NEW_EMAIL###. + +If you did not change your email, please contact the Site Administrator at +###ADMIN_EMAIL### + +This email has been sent to ###EMAIL### + +Regards, +All at ###SITENAME### +###SITEURL###' + ); + + $email_change_email = array( + 'to' => $user['user_email'], + /* translators: Email change notification email subject. %s: Site title. */ + 'subject' => __( '[%s] Email Changed' ), + 'message' => $email_change_text, + 'headers' => '', + ); + + /** + * Filters the contents of the email sent when the user's email is changed. + * + * @since 4.3.0 + * + * @param array $email_change_email { + * Used to build wp_mail(). + * + * @type string $to The intended recipients. + * @type string $subject The subject of the email. + * @type string $message The content of the email. + * The following strings have a special meaning and will get replaced dynamically: + * - ###USERNAME### The current user's username. + * - ###ADMIN_EMAIL### The admin email in case this was unexpected. + * - ###NEW_EMAIL### The new email address. + * - ###EMAIL### The old email address. + * - ###SITENAME### The name of the site. + * - ###SITEURL### The URL to the site. + * @type string $headers Headers. + * } + * @param array $user The original user array. + * @param array $userdata The updated user array. + */ + $email_change_email = apply_filters( 'email_change_email', $email_change_email, $user, $userdata ); + + $email_change_email['message'] = str_replace( '###USERNAME###', $user['user_login'], $email_change_email['message'] ); + $email_change_email['message'] = str_replace( '###ADMIN_EMAIL###', get_option( 'admin_email' ), $email_change_email['message'] ); + $email_change_email['message'] = str_replace( '###NEW_EMAIL###', $userdata['user_email'], $email_change_email['message'] ); + $email_change_email['message'] = str_replace( '###EMAIL###', $user['user_email'], $email_change_email['message'] ); + $email_change_email['message'] = str_replace( '###SITENAME###', $blog_name, $email_change_email['message'] ); + $email_change_email['message'] = str_replace( '###SITEURL###', home_url(), $email_change_email['message'] ); + + wp_mail( $email_change_email['to'], sprintf( $email_change_email['subject'], $blog_name ), $email_change_email['message'], $email_change_email['headers'] ); + } + + if ( $switched_locale ) { + restore_previous_locale(); + } + + // Update the cookies if the password changed. + $current_user = wp_get_current_user(); + if ( $current_user->ID == $user_id ) { + if ( isset( $plaintext_pass ) ) { + wp_clear_auth_cookie(); + + /* + * Here we calculate the expiration length of the current auth cookie and compare it to the default expiration. + * If it's greater than this, then we know the user checked 'Remember Me' when they logged in. + */ + $logged_in_cookie = wp_parse_auth_cookie( '', 'logged_in' ); + /** This filter is documented in wp-includes/pluggable.php */ + $default_cookie_life = apply_filters( 'auth_cookie_expiration', ( 2 * DAY_IN_SECONDS ), $user_id, false ); + $remember = false; + if ( false !== $logged_in_cookie && ( $logged_in_cookie['expiration'] - time() ) > $default_cookie_life ) { + $remember = true; + } + + wp_set_auth_cookie( $user_id, $remember ); + } + } + + /** + * Fires after the user has been updated and emails have been sent. + * + * @since 6.3.0 + * + * @param int $user_id The ID of the user that was just updated. + * @param array $userdata The array of user data that was updated. + * @param array $userdata_raw The unedited array of user data that was updated. + */ + do_action( 'wp_update_user', $user_id, $userdata, $userdata_raw ); + + return $user_id; +} + +/** + * Provides a simpler way of inserting a user into the database. + * + * Creates a new user with just the username, password, and email. For more + * complex user creation use wp_insert_user() to specify more information. + * + * @since 2.0.0 + * + * @see wp_insert_user() More complete way to create a new user. + * + * @param string $username The user's username. + * @param string $password The user's password. + * @param string $email Optional. The user's email. Default empty. + * @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not + * be created. + */ +function wp_create_user( $username, $password, $email = '' ) { + $user_login = wp_slash( $username ); + $user_email = wp_slash( $email ); + $user_pass = $password; + + $userdata = compact( 'user_login', 'user_email', 'user_pass' ); + return wp_insert_user( $userdata ); +} + +/** + * Returns a list of meta keys to be (maybe) populated in wp_update_user(). + * + * The list of keys returned via this function are dependent on the presence + * of those keys in the user meta data to be set. + * + * @since 3.3.0 + * @access private + * + * @param WP_User $user WP_User instance. + * @return string[] List of user keys to be populated in wp_update_user(). + */ +function _get_additional_user_keys( $user ) { + $keys = array( 'first_name', 'last_name', 'nickname', 'description', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl', 'show_admin_bar_front', 'locale' ); + return array_merge( $keys, array_keys( wp_get_user_contact_methods( $user ) ) ); +} + +/** + * Sets up the user contact methods. + * + * Default contact methods were removed in 3.6. A filter dictates contact methods. + * + * @since 3.7.0 + * + * @param WP_User|null $user Optional. WP_User object. + * @return string[] Array of contact method labels keyed by contact method. + */ +function wp_get_user_contact_methods( $user = null ) { + $methods = array(); + if ( get_site_option( 'initial_db_version' ) < 23588 ) { + $methods = array( + 'aim' => __( 'AIM' ), + 'yim' => __( 'Yahoo IM' ), + 'jabber' => __( 'Jabber / Google Talk' ), + ); + } + + /** + * Filters the user contact methods. + * + * @since 2.9.0 + * + * @param string[] $methods Array of contact method labels keyed by contact method. + * @param WP_User|null $user WP_User object or null if none was provided. + */ + return apply_filters( 'user_contactmethods', $methods, $user ); +} + +/** + * The old private function for setting up user contact methods. + * + * Use wp_get_user_contact_methods() instead. + * + * @since 2.9.0 + * @access private + * + * @param WP_User|null $user Optional. WP_User object. Default null. + * @return string[] Array of contact method labels keyed by contact method. + */ +function _wp_get_user_contactmethods( $user = null ) { + return wp_get_user_contact_methods( $user ); +} + +/** + * Gets the text suggesting how to create strong passwords. + * + * @since 4.1.0 + * + * @return string The password hint text. + */ +function wp_get_password_hint() { + $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 ! " ? $ % ^ & ).' ); + + /** + * Filters the text describing the site's password complexity policy. + * + * @since 4.1.0 + * + * @param string $hint The password hint text. + */ + return apply_filters( 'password_hint', $hint ); +} + +/** + * Creates, stores, then returns a password reset key for user. + * + * @since 4.4.0 + * + * @global PasswordHash $wp_hasher Portable PHP password hashing framework. + * + * @param WP_User $user User to retrieve password reset key for. + * @return string|WP_Error Password reset key on success. WP_Error on error. + */ +function get_password_reset_key( $user ) { + global $wp_hasher; + + if ( ! ( $user instanceof WP_User ) ) { + return new WP_Error( 'invalidcombo', __( '<strong>Error:</strong> There is no account with that username or email address.' ) ); + } + + /** + * Fires before a new password is retrieved. + * + * Use the {@see 'retrieve_password'} hook instead. + * + * @since 1.5.0 + * @deprecated 1.5.1 Misspelled. Use {@see 'retrieve_password'} hook instead. + * + * @param string $user_login The user login name. + */ + do_action_deprecated( 'retreive_password', array( $user->user_login ), '1.5.1', 'retrieve_password' ); + + /** + * Fires before a new password is retrieved. + * + * @since 1.5.1 + * + * @param string $user_login The user login name. + */ + do_action( 'retrieve_password', $user->user_login ); + + $password_reset_allowed = wp_is_password_reset_allowed_for_user( $user ); + if ( ! $password_reset_allowed ) { + return new WP_Error( 'no_password_reset', __( 'Password reset is not allowed for this user' ) ); + } elseif ( is_wp_error( $password_reset_allowed ) ) { + return $password_reset_allowed; + } + + // Generate something random for a password reset key. + $key = wp_generate_password( 20, false ); + + /** + * Fires when a password reset key is generated. + * + * @since 2.5.0 + * + * @param string $user_login The username for the user. + * @param string $key The generated password reset key. + */ + do_action( 'retrieve_password_key', $user->user_login, $key ); + + // Now insert the key, hashed, into the DB. + if ( empty( $wp_hasher ) ) { + require_once ABSPATH . WPINC . '/class-phpass.php'; + $wp_hasher = new PasswordHash( 8, true ); + } + + $hashed = time() . ':' . $wp_hasher->HashPassword( $key ); + + $key_saved = wp_update_user( + array( + 'ID' => $user->ID, + 'user_activation_key' => $hashed, + ) + ); + + if ( is_wp_error( $key_saved ) ) { + return $key_saved; + } + + return $key; +} + +/** + * Retrieves a user row based on password reset key and login. + * + * A key is considered 'expired' if it exactly matches the value of the + * user_activation_key field, rather than being matched after going through the + * hashing process. This field is now hashed; old values are no longer accepted + * but have a different WP_Error code so good user feedback can be provided. + * + * @since 3.1.0 + * + * @global PasswordHash $wp_hasher Portable PHP password hashing framework instance. + * + * @param string $key Hash to validate sending user's password. + * @param string $login The user login. + * @return WP_User|WP_Error WP_User object on success, WP_Error object for invalid or expired keys. + */ +function check_password_reset_key( $key, $login ) { + global $wp_hasher; + + $key = preg_replace( '/[^a-z0-9]/i', '', $key ); + + if ( empty( $key ) || ! is_string( $key ) ) { + return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); + } + + if ( empty( $login ) || ! is_string( $login ) ) { + return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); + } + + $user = get_user_by( 'login', $login ); + + if ( ! $user ) { + return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); + } + + if ( empty( $wp_hasher ) ) { + require_once ABSPATH . WPINC . '/class-phpass.php'; + $wp_hasher = new PasswordHash( 8, true ); + } + + /** + * Filters the expiration time of password reset keys. + * + * @since 4.3.0 + * + * @param int $expiration The expiration time in seconds. + */ + $expiration_duration = apply_filters( 'password_reset_expiration', DAY_IN_SECONDS ); + + if ( str_contains( $user->user_activation_key, ':' ) ) { + list( $pass_request_time, $pass_key ) = explode( ':', $user->user_activation_key, 2 ); + $expiration_time = $pass_request_time + $expiration_duration; + } else { + $pass_key = $user->user_activation_key; + $expiration_time = false; + } + + if ( ! $pass_key ) { + return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); + } + + $hash_is_correct = $wp_hasher->CheckPassword( $key, $pass_key ); + + if ( $hash_is_correct && $expiration_time && time() < $expiration_time ) { + return $user; + } elseif ( $hash_is_correct && $expiration_time ) { + // Key has an expiration time that's passed. + return new WP_Error( 'expired_key', __( 'Invalid key.' ) ); + } + + if ( hash_equals( $user->user_activation_key, $key ) || ( $hash_is_correct && ! $expiration_time ) ) { + $return = new WP_Error( 'expired_key', __( 'Invalid key.' ) ); + $user_id = $user->ID; + + /** + * Filters the return value of check_password_reset_key() when an + * old-style key is used. + * + * @since 3.7.0 Previously plain-text keys were stored in the database. + * @since 4.3.0 Previously key hashes were stored without an expiration time. + * + * @param WP_Error $return A WP_Error object denoting an expired key. + * Return a WP_User object to validate the key. + * @param int $user_id The matched user ID. + */ + return apply_filters( 'password_reset_key_expired', $return, $user_id ); + } + + return new WP_Error( 'invalid_key', __( 'Invalid key.' ) ); +} + +/** + * Handles sending a password retrieval email to a user. + * + * @since 2.5.0 + * @since 5.7.0 Added `$user_login` parameter. + * + * @global wpdb $wpdb WordPress database abstraction object. + * @global PasswordHash $wp_hasher Portable PHP password hashing framework. + * + * @param string $user_login Optional. Username to send a password retrieval email for. + * Defaults to `$_POST['user_login']` if not set. + * @return true|WP_Error True when finished, WP_Error object on error. + */ +function retrieve_password( $user_login = null ) { + $errors = new WP_Error(); + $user_data = false; + + // Use the passed $user_login if available, otherwise use $_POST['user_login']. + if ( ! $user_login && ! empty( $_POST['user_login'] ) ) { + $user_login = $_POST['user_login']; + } + + $user_login = trim( wp_unslash( $user_login ) ); + + if ( empty( $user_login ) ) { + $errors->add( 'empty_username', __( '<strong>Error:</strong> Please enter a username or email address.' ) ); + } elseif ( strpos( $user_login, '@' ) ) { + $user_data = get_user_by( 'email', $user_login ); + + if ( empty( $user_data ) ) { + $user_data = get_user_by( 'login', $user_login ); + } + + if ( empty( $user_data ) ) { + $errors->add( 'invalid_email', __( '<strong>Error:</strong> There is no account with that username or email address.' ) ); + } + } else { + $user_data = get_user_by( 'login', $user_login ); + } + + /** + * Filters the user data during a password reset request. + * + * Allows, for example, custom validation using data other than username or email address. + * + * @since 5.7.0 + * + * @param WP_User|false $user_data WP_User object if found, false if the user does not exist. + * @param WP_Error $errors A WP_Error object containing any errors generated + * by using invalid credentials. + */ + $user_data = apply_filters( 'lostpassword_user_data', $user_data, $errors ); + + /** + * Fires before errors are returned from a password reset request. + * + * @since 2.1.0 + * @since 4.4.0 Added the `$errors` parameter. + * @since 5.4.0 Added the `$user_data` parameter. + * + * @param WP_Error $errors A WP_Error object containing any errors generated + * by using invalid credentials. + * @param WP_User|false $user_data WP_User object if found, false if the user does not exist. + */ + do_action( 'lostpassword_post', $errors, $user_data ); + + /** + * Filters the errors encountered on a password reset request. + * + * The filtered WP_Error object may, for example, contain errors for an invalid + * username or email address. A WP_Error object should always be returned, + * but may or may not contain errors. + * + * If any errors are present in $errors, this will abort the password reset request. + * + * @since 5.5.0 + * + * @param WP_Error $errors A WP_Error object containing any errors generated + * by using invalid credentials. + * @param WP_User|false $user_data WP_User object if found, false if the user does not exist. + */ + $errors = apply_filters( 'lostpassword_errors', $errors, $user_data ); + + if ( $errors->has_errors() ) { + return $errors; + } + + if ( ! $user_data ) { + $errors->add( 'invalidcombo', __( '<strong>Error:</strong> There is no account with that username or email address.' ) ); + return $errors; + } + + /** + * Filters whether to send the retrieve password email. + * + * Return false to disable sending the email. + * + * @since 6.0.0 + * + * @param bool $send Whether to send the email. + * @param string $user_login The username for the user. + * @param WP_User $user_data WP_User object. + */ + if ( ! apply_filters( 'send_retrieve_password_email', true, $user_login, $user_data ) ) { + return true; + } + + // Redefining user_login ensures we return the right case in the email. + $user_login = $user_data->user_login; + $user_email = $user_data->user_email; + $key = get_password_reset_key( $user_data ); + + if ( is_wp_error( $key ) ) { + return $key; + } + + // Localize password reset message content for user. + $locale = get_user_locale( $user_data ); + + $switched_locale = switch_to_user_locale( $user_data->ID ); + + if ( is_multisite() ) { + $site_name = get_network()->site_name; + } else { + /* + * The blogname option is escaped with esc_html on the way into the database + * in sanitize_option. We want to reverse this for the plain text arena of emails. + */ + $site_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); + } + + $message = __( 'Someone has requested a password reset for the following account:' ) . "\r\n\r\n"; + /* translators: %s: Site name. */ + $message .= sprintf( __( 'Site Name: %s' ), $site_name ) . "\r\n\r\n"; + /* translators: %s: User login. */ + $message .= sprintf( __( 'Username: %s' ), $user_login ) . "\r\n\r\n"; + $message .= __( 'If this was a mistake, ignore this email and nothing will happen.' ) . "\r\n\r\n"; + $message .= __( 'To reset your password, visit the following address:' ) . "\r\n\r\n"; + $message .= network_site_url( "wp-login.php?action=rp&key=$key&login=" . rawurlencode( $user_login ), 'login' ) . '&wp_lang=' . $locale . "\r\n\r\n"; + + if ( ! is_user_logged_in() ) { + $requester_ip = $_SERVER['REMOTE_ADDR']; + if ( $requester_ip ) { + $message .= sprintf( + /* translators: %s: IP address of password reset requester. */ + __( 'This password reset request originated from the IP address %s.' ), + $requester_ip + ) . "\r\n"; + } + } + + /* translators: Password reset notification email subject. %s: Site title. */ + $title = sprintf( __( '[%s] Password Reset' ), $site_name ); + + /** + * Filters the subject of the password reset email. + * + * @since 2.8.0 + * @since 4.4.0 Added the `$user_login` and `$user_data` parameters. + * + * @param string $title Email subject. + * @param string $user_login The username for the user. + * @param WP_User $user_data WP_User object. + */ + $title = apply_filters( 'retrieve_password_title', $title, $user_login, $user_data ); + + /** + * Filters the message body of the password reset mail. + * + * If the filtered message is empty, the password reset email will not be sent. + * + * @since 2.8.0 + * @since 4.1.0 Added `$user_login` and `$user_data` parameters. + * + * @param string $message Email message. + * @param string $key The activation key. + * @param string $user_login The username for the user. + * @param WP_User $user_data WP_User object. + */ + $message = apply_filters( 'retrieve_password_message', $message, $key, $user_login, $user_data ); + + // Short-circuit on falsey $message value for backwards compatibility. + if ( ! $message ) { + return true; + } + + /* + * Wrap the single notification email arguments in an array + * to pass them to the retrieve_password_notification_email filter. + */ + $defaults = array( + 'to' => $user_email, + 'subject' => $title, + 'message' => $message, + 'headers' => '', + ); + + /** + * Filters the contents of the reset password notification email sent to the user. + * + * @since 6.0.0 + * + * @param array $defaults { + * The default notification email arguments. Used to build wp_mail(). + * + * @type string $to The intended recipient - user email address. + * @type string $subject The subject of the email. + * @type string $message The body of the email. + * @type string $headers The headers of the email. + * } + * @type string $key The activation key. + * @type string $user_login The username for the user. + * @type WP_User $user_data WP_User object. + */ + $notification_email = apply_filters( 'retrieve_password_notification_email', $defaults, $key, $user_login, $user_data ); + + if ( $switched_locale ) { + restore_previous_locale(); + } + + if ( is_array( $notification_email ) ) { + // Force key order and merge defaults in case any value is missing in the filtered array. + $notification_email = array_merge( $defaults, $notification_email ); + } else { + $notification_email = $defaults; + } + + list( $to, $subject, $message, $headers ) = array_values( $notification_email ); + + $subject = wp_specialchars_decode( $subject ); + + if ( ! wp_mail( $to, $subject, $message, $headers ) ) { + $errors->add( + 'retrieve_password_email_failure', + sprintf( + /* translators: %s: Documentation URL. */ + __( '<strong>Error:</strong> The email could not be sent. Your site may not be correctly configured to send emails. <a href="%s">Get support for resetting your password</a>.' ), + esc_url( __( 'https://wordpress.org/documentation/article/reset-your-password/' ) ) + ) + ); + return $errors; + } + + return true; +} + +/** + * Handles resetting the user's password. + * + * @since 2.5.0 + * + * @param WP_User $user The user + * @param string $new_pass New password for the user in plaintext + */ +function reset_password( $user, $new_pass ) { + /** + * Fires before the user's password is reset. + * + * @since 1.5.0 + * + * @param WP_User $user The user. + * @param string $new_pass New user password. + */ + do_action( 'password_reset', $user, $new_pass ); + + wp_set_password( $new_pass, $user->ID ); + update_user_meta( $user->ID, 'default_password_nag', false ); + + /** + * Fires after the user's password is reset. + * + * @since 4.4.0 + * + * @param WP_User $user The user. + * @param string $new_pass New user password. + */ + do_action( 'after_password_reset', $user, $new_pass ); +} + +/** + * Handles registering a new user. + * + * @since 2.5.0 + * + * @param string $user_login User's username for logging in + * @param string $user_email User's email address to send password and add + * @return int|WP_Error Either user's ID or error on failure. + */ +function register_new_user( $user_login, $user_email ) { + $errors = new WP_Error(); + + $sanitized_user_login = sanitize_user( $user_login ); + /** + * Filters the email address of a user being registered. + * + * @since 2.1.0 + * + * @param string $user_email The email address of the new user. + */ + $user_email = apply_filters( 'user_registration_email', $user_email ); + + // Check the username. + if ( '' === $sanitized_user_login ) { + $errors->add( 'empty_username', __( '<strong>Error:</strong> Please enter a username.' ) ); + } elseif ( ! validate_username( $user_login ) ) { + $errors->add( 'invalid_username', __( '<strong>Error:</strong> This username is invalid because it uses illegal characters. Please enter a valid username.' ) ); + $sanitized_user_login = ''; + } elseif ( username_exists( $sanitized_user_login ) ) { + $errors->add( 'username_exists', __( '<strong>Error:</strong> This username is already registered. Please choose another one.' ) ); + } else { + /** This filter is documented in wp-includes/user.php */ + $illegal_user_logins = (array) apply_filters( 'illegal_user_logins', array() ); + if ( in_array( strtolower( $sanitized_user_login ), array_map( 'strtolower', $illegal_user_logins ), true ) ) { + $errors->add( 'invalid_username', __( '<strong>Error:</strong> Sorry, that username is not allowed.' ) ); + } + } + + // Check the email address. + if ( '' === $user_email ) { + $errors->add( 'empty_email', __( '<strong>Error:</strong> Please type your email address.' ) ); + } elseif ( ! is_email( $user_email ) ) { + $errors->add( 'invalid_email', __( '<strong>Error:</strong> The email address is not correct.' ) ); + $user_email = ''; + } elseif ( email_exists( $user_email ) ) { + $errors->add( + 'email_exists', + sprintf( + /* translators: %s: Link to the login page. */ + __( '<strong>Error:</strong> This email address is already registered. <a href="%s">Log in</a> with this address or choose another one.' ), + wp_login_url() + ) + ); + } + + /** + * Fires when submitting registration form data, before the user is created. + * + * @since 2.1.0 + * + * @param string $sanitized_user_login The submitted username after being sanitized. + * @param string $user_email The submitted email. + * @param WP_Error $errors Contains any errors with submitted username and email, + * e.g., an empty field, an invalid username or email, + * or an existing username or email. + */ + do_action( 'register_post', $sanitized_user_login, $user_email, $errors ); + + /** + * Filters the errors encountered when a new user is being registered. + * + * The filtered WP_Error object may, for example, contain errors for an invalid + * or existing username or email address. A WP_Error object should always be returned, + * but may or may not contain errors. + * + * If any errors are present in $errors, this will abort the user's registration. + * + * @since 2.1.0 + * + * @param WP_Error $errors A WP_Error object containing any errors encountered + * during registration. + * @param string $sanitized_user_login User's username after it has been sanitized. + * @param string $user_email User's email. + */ + $errors = apply_filters( 'registration_errors', $errors, $sanitized_user_login, $user_email ); + + if ( $errors->has_errors() ) { + return $errors; + } + + $user_pass = wp_generate_password( 12, false ); + $user_id = wp_create_user( $sanitized_user_login, $user_pass, $user_email ); + if ( ! $user_id || is_wp_error( $user_id ) ) { + $errors->add( + 'registerfail', + sprintf( + /* translators: %s: Admin email address. */ + __( '<strong>Error:</strong> Could not register you… please contact the <a href="mailto:%s">site admin</a>!' ), + get_option( 'admin_email' ) + ) + ); + return $errors; + } + + update_user_meta( $user_id, 'default_password_nag', true ); // Set up the password change nag. + + if ( ! empty( $_COOKIE['wp_lang'] ) ) { + $wp_lang = sanitize_text_field( $_COOKIE['wp_lang'] ); + if ( in_array( $wp_lang, get_available_languages(), true ) ) { + update_user_meta( $user_id, 'locale', $wp_lang ); // Set user locale if defined on registration. + } + } + + /** + * Fires after a new user registration has been recorded. + * + * @since 4.4.0 + * + * @param int $user_id ID of the newly registered user. + */ + do_action( 'register_new_user', $user_id ); + + return $user_id; +} + +/** + * Initiates email notifications related to the creation of new users. + * + * Notifications are sent both to the site admin and to the newly created user. + * + * @since 4.4.0 + * @since 4.6.0 Converted the `$notify` parameter to accept 'user' for sending + * notifications only to the user created. + * + * @param int $user_id ID of the newly created user. + * @param string $notify Optional. Type of notification that should happen. Accepts 'admin' + * or an empty string (admin only), 'user', or 'both' (admin and user). + * Default 'both'. + */ +function wp_send_new_user_notifications( $user_id, $notify = 'both' ) { + wp_new_user_notification( $user_id, null, $notify ); +} + +/** + * Retrieves the current session token from the logged_in cookie. + * + * @since 4.0.0 + * + * @return string Token. + */ +function wp_get_session_token() { + $cookie = wp_parse_auth_cookie( '', 'logged_in' ); + return ! empty( $cookie['token'] ) ? $cookie['token'] : ''; +} + +/** + * Retrieves a list of sessions for the current user. + * + * @since 4.0.0 + * + * @return array Array of sessions. + */ +function wp_get_all_sessions() { + $manager = WP_Session_Tokens::get_instance( get_current_user_id() ); + return $manager->get_all(); +} + +/** + * Removes the current session token from the database. + * + * @since 4.0.0 + */ +function wp_destroy_current_session() { + $token = wp_get_session_token(); + if ( $token ) { + $manager = WP_Session_Tokens::get_instance( get_current_user_id() ); + $manager->destroy( $token ); + } +} + +/** + * Removes all but the current session token for the current user for the database. + * + * @since 4.0.0 + */ +function wp_destroy_other_sessions() { + $token = wp_get_session_token(); + if ( $token ) { + $manager = WP_Session_Tokens::get_instance( get_current_user_id() ); + $manager->destroy_others( $token ); + } +} + +/** + * Removes all session tokens for the current user from the database. + * + * @since 4.0.0 + */ +function wp_destroy_all_sessions() { + $manager = WP_Session_Tokens::get_instance( get_current_user_id() ); + $manager->destroy_all(); +} + +/** + * Gets the user IDs of all users with no role on this site. + * + * @since 4.4.0 + * @since 4.9.0 The `$site_id` parameter was added to support multisite. + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int|null $site_id Optional. The site ID to get users with no role for. Defaults to the current site. + * @return string[] Array of user IDs as strings. + */ +function wp_get_users_with_no_role( $site_id = null ) { + global $wpdb; + + if ( ! $site_id ) { + $site_id = get_current_blog_id(); + } + + $prefix = $wpdb->get_blog_prefix( $site_id ); + + if ( is_multisite() && get_current_blog_id() != $site_id ) { + switch_to_blog( $site_id ); + $role_names = wp_roles()->get_names(); + restore_current_blog(); + } else { + $role_names = wp_roles()->get_names(); + } + + $regex = implode( '|', array_keys( $role_names ) ); + $regex = preg_replace( '/[^a-zA-Z_\|-]/', '', $regex ); + $users = $wpdb->get_col( + $wpdb->prepare( + "SELECT user_id + FROM $wpdb->usermeta + WHERE meta_key = '{$prefix}capabilities' + AND meta_value NOT REGEXP %s", + $regex + ) + ); + + return $users; +} + +/** + * Retrieves the current user object. + * + * Will set the current user, if the current user is not set. The current user + * will be set to the logged-in person. If no user is logged-in, then it will + * set the current user to 0, which is invalid and won't have any permissions. + * + * This function is used by the pluggable functions wp_get_current_user() and + * get_currentuserinfo(), the latter of which is deprecated but used for backward + * compatibility. + * + * @since 4.5.0 + * @access private + * + * @see wp_get_current_user() + * @global WP_User $current_user Checks if the current user is set. + * + * @return WP_User Current WP_User instance. + */ +function _wp_get_current_user() { + global $current_user; + + if ( ! empty( $current_user ) ) { + if ( $current_user instanceof WP_User ) { + return $current_user; + } + + // Upgrade stdClass to WP_User. + if ( is_object( $current_user ) && isset( $current_user->ID ) ) { + $cur_id = $current_user->ID; + $current_user = null; + wp_set_current_user( $cur_id ); + return $current_user; + } + + // $current_user has a junk value. Force to WP_User with ID 0. + $current_user = null; + wp_set_current_user( 0 ); + return $current_user; + } + + if ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) { + wp_set_current_user( 0 ); + return $current_user; + } + + /** + * Filters the current user. + * + * The default filters use this to determine the current user from the + * request's cookies, if available. + * + * Returning a value of false will effectively short-circuit setting + * the current user. + * + * @since 3.9.0 + * + * @param int|false $user_id User ID if one has been determined, false otherwise. + */ + $user_id = apply_filters( 'determine_current_user', false ); + if ( ! $user_id ) { + wp_set_current_user( 0 ); + return $current_user; + } + + wp_set_current_user( $user_id ); + + return $current_user; +} + +/** + * Sends a confirmation request email when a change of user email address is attempted. + * + * @since 3.0.0 + * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific. + * + * @global WP_Error $errors WP_Error object. + */ +function send_confirmation_on_profile_email() { + global $errors; + + $current_user = wp_get_current_user(); + if ( ! is_object( $errors ) ) { + $errors = new WP_Error(); + } + + if ( $current_user->ID != $_POST['user_id'] ) { + return false; + } + + if ( $current_user->user_email != $_POST['email'] ) { + if ( ! is_email( $_POST['email'] ) ) { + $errors->add( + 'user_email', + __( '<strong>Error:</strong> The email address is not correct.' ), + array( + 'form-field' => 'email', + ) + ); + + return; + } + + if ( email_exists( $_POST['email'] ) ) { + $errors->add( + 'user_email', + __( '<strong>Error:</strong> The email address is already used.' ), + array( + 'form-field' => 'email', + ) + ); + delete_user_meta( $current_user->ID, '_new_email' ); + + return; + } + + $hash = md5( $_POST['email'] . time() . wp_rand() ); + $new_user_email = array( + 'hash' => $hash, + 'newemail' => $_POST['email'], + ); + update_user_meta( $current_user->ID, '_new_email', $new_user_email ); + + $sitename = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); + + /* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */ + $email_text = __( + 'Howdy ###USERNAME###, + +You recently requested to have the email address on your account changed. + +If this is correct, please click on the following link to change it: +###ADMIN_URL### + +You can safely ignore and delete this email if you do not want to +take this action. + +This email has been sent to ###EMAIL### + +Regards, +All at ###SITENAME### +###SITEURL###' + ); + + /** + * Filters the text of the email sent when a change of user email address is attempted. + * + * The following strings have a special meaning and will get replaced dynamically: + * - ###USERNAME### The current user's username. + * - ###ADMIN_URL### The link to click on to confirm the email change. + * - ###EMAIL### The new email. + * - ###SITENAME### The name of the site. + * - ###SITEURL### The URL to the site. + * + * @since MU (3.0.0) + * @since 4.9.0 This filter is no longer Multisite specific. + * + * @param string $email_text Text in the email. + * @param array $new_user_email { + * Data relating to the new user email address. + * + * @type string $hash The secure hash used in the confirmation link URL. + * @type string $newemail The proposed new email address. + * } + */ + $content = apply_filters( 'new_user_email_content', $email_text, $new_user_email ); + + $content = str_replace( '###USERNAME###', $current_user->user_login, $content ); + $content = str_replace( '###ADMIN_URL###', esc_url( self_admin_url( 'profile.php?newuseremail=' . $hash ) ), $content ); + $content = str_replace( '###EMAIL###', $_POST['email'], $content ); + $content = str_replace( '###SITENAME###', $sitename, $content ); + $content = str_replace( '###SITEURL###', home_url(), $content ); + + /* translators: New email address notification email subject. %s: Site title. */ + wp_mail( $_POST['email'], sprintf( __( '[%s] Email Change Request' ), $sitename ), $content ); + + $_POST['email'] = $current_user->user_email; + } +} + +/** + * Adds an admin notice alerting the user to check for confirmation request email + * after email address change. + * + * @since 3.0.0 + * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific. + * + * @global string $pagenow The filename of the current screen. + */ +function new_user_email_admin_notice() { + global $pagenow; + + if ( 'profile.php' === $pagenow && isset( $_GET['updated'] ) ) { + $email = get_user_meta( get_current_user_id(), '_new_email', true ); + if ( $email ) { + $message = sprintf( + /* translators: %s: New email address. */ + __( 'Your email address has not been updated yet. Please check your inbox at %s for a confirmation email.' ), + '<code>' . esc_html( $email['newemail'] ) . '</code>' + ); + wp_admin_notice( $message, array( 'type' => 'info' ) ); + } + } +} + +/** + * Gets all personal data request types. + * + * @since 4.9.6 + * @access private + * + * @return string[] List of core privacy action types. + */ +function _wp_privacy_action_request_types() { + return array( + 'export_personal_data', + 'remove_personal_data', + ); +} + +/** + * Registers the personal data exporter for users. + * + * @since 4.9.6 + * + * @param array[] $exporters An array of personal data exporters. + * @return array[] An array of personal data exporters. + */ +function wp_register_user_personal_data_exporter( $exporters ) { + $exporters['wordpress-user'] = array( + 'exporter_friendly_name' => __( 'WordPress User' ), + 'callback' => 'wp_user_personal_data_exporter', + ); + + return $exporters; +} + +/** + * Finds and exports personal data associated with an email address from the user and user_meta table. + * + * @since 4.9.6 + * @since 5.4.0 Added 'Community Events Location' group to the export data. + * @since 5.4.0 Added 'Session Tokens' group to the export data. + * + * @param string $email_address The user's email address. + * @return array { + * An array of personal data. + * + * @type array[] $data An array of personal data arrays. + * @type bool $done Whether the exporter is finished. + * } + */ +function wp_user_personal_data_exporter( $email_address ) { + $email_address = trim( $email_address ); + + $data_to_export = array(); + + $user = get_user_by( 'email', $email_address ); + + if ( ! $user ) { + return array( + 'data' => array(), + 'done' => true, + ); + } + + $user_meta = get_user_meta( $user->ID ); + + $user_props_to_export = array( + 'ID' => __( 'User ID' ), + 'user_login' => __( 'User Login Name' ), + 'user_nicename' => __( 'User Nice Name' ), + 'user_email' => __( 'User Email' ), + 'user_url' => __( 'User URL' ), + 'user_registered' => __( 'User Registration Date' ), + 'display_name' => __( 'User Display Name' ), + 'nickname' => __( 'User Nickname' ), + 'first_name' => __( 'User First Name' ), + 'last_name' => __( 'User Last Name' ), + 'description' => __( 'User Description' ), + ); + + $user_data_to_export = array(); + + foreach ( $user_props_to_export as $key => $name ) { + $value = ''; + + switch ( $key ) { + case 'ID': + case 'user_login': + case 'user_nicename': + case 'user_email': + case 'user_url': + case 'user_registered': + case 'display_name': + $value = $user->data->$key; + break; + case 'nickname': + case 'first_name': + case 'last_name': + case 'description': + $value = $user_meta[ $key ][0]; + break; + } + + if ( ! empty( $value ) ) { + $user_data_to_export[] = array( + 'name' => $name, + 'value' => $value, + ); + } + } + + // Get the list of reserved names. + $reserved_names = array_values( $user_props_to_export ); + + /** + * Filters the user's profile data for the privacy exporter. + * + * @since 5.4.0 + * + * @param array $additional_user_profile_data { + * An array of name-value pairs of additional user data items. Default empty array. + * + * @type string $name The user-facing name of an item name-value pair,e.g. 'IP Address'. + * @type string $value The user-facing value of an item data pair, e.g. '50.60.70.0'. + * } + * @param WP_User $user The user whose data is being exported. + * @param string[] $reserved_names An array of reserved names. Any item in `$additional_user_data` + * that uses one of these for its `name` will not be included in the export. + */ + $_extra_data = apply_filters( 'wp_privacy_additional_user_profile_data', array(), $user, $reserved_names ); + + if ( is_array( $_extra_data ) && ! empty( $_extra_data ) ) { + // Remove items that use reserved names. + $extra_data = array_filter( + $_extra_data, + static function ( $item ) use ( $reserved_names ) { + return ! in_array( $item['name'], $reserved_names, true ); + } + ); + + if ( count( $extra_data ) !== count( $_extra_data ) ) { + _doing_it_wrong( + __FUNCTION__, + sprintf( + /* translators: %s: wp_privacy_additional_user_profile_data */ + __( 'Filter %s returned items with reserved names.' ), + '<code>wp_privacy_additional_user_profile_data</code>' + ), + '5.4.0' + ); + } + + if ( ! empty( $extra_data ) ) { + $user_data_to_export = array_merge( $user_data_to_export, $extra_data ); + } + } + + $data_to_export[] = array( + 'group_id' => 'user', + 'group_label' => __( 'User' ), + 'group_description' => __( 'User’s profile data.' ), + 'item_id' => "user-{$user->ID}", + 'data' => $user_data_to_export, + ); + + if ( isset( $user_meta['community-events-location'] ) ) { + $location = maybe_unserialize( $user_meta['community-events-location'][0] ); + + $location_props_to_export = array( + 'description' => __( 'City' ), + 'country' => __( 'Country' ), + 'latitude' => __( 'Latitude' ), + 'longitude' => __( 'Longitude' ), + 'ip' => __( 'IP' ), + ); + + $location_data_to_export = array(); + + foreach ( $location_props_to_export as $key => $name ) { + if ( ! empty( $location[ $key ] ) ) { + $location_data_to_export[] = array( + 'name' => $name, + 'value' => $location[ $key ], + ); + } + } + + $data_to_export[] = array( + 'group_id' => 'community-events-location', + 'group_label' => __( 'Community Events Location' ), + 'group_description' => __( 'User’s location data used for the Community Events in the WordPress Events and News dashboard widget.' ), + 'item_id' => "community-events-location-{$user->ID}", + 'data' => $location_data_to_export, + ); + } + + if ( isset( $user_meta['session_tokens'] ) ) { + $session_tokens = maybe_unserialize( $user_meta['session_tokens'][0] ); + + $session_tokens_props_to_export = array( + 'expiration' => __( 'Expiration' ), + 'ip' => __( 'IP' ), + 'ua' => __( 'User Agent' ), + 'login' => __( 'Last Login' ), + ); + + foreach ( $session_tokens as $token_key => $session_token ) { + $session_tokens_data_to_export = array(); + + foreach ( $session_tokens_props_to_export as $key => $name ) { + if ( ! empty( $session_token[ $key ] ) ) { + $value = $session_token[ $key ]; + if ( in_array( $key, array( 'expiration', 'login' ), true ) ) { + $value = date_i18n( 'F d, Y H:i A', $value ); + } + $session_tokens_data_to_export[] = array( + 'name' => $name, + 'value' => $value, + ); + } + } + + $data_to_export[] = array( + 'group_id' => 'session-tokens', + 'group_label' => __( 'Session Tokens' ), + 'group_description' => __( 'User’s Session Tokens data.' ), + 'item_id' => "session-tokens-{$user->ID}-{$token_key}", + 'data' => $session_tokens_data_to_export, + ); + } + } + + return array( + 'data' => $data_to_export, + 'done' => true, + ); +} + +/** + * Updates log when privacy request is confirmed. + * + * @since 4.9.6 + * @access private + * + * @param int $request_id ID of the request. + */ +function _wp_privacy_account_request_confirmed( $request_id ) { + $request = wp_get_user_request( $request_id ); + + if ( ! $request ) { + return; + } + + if ( ! in_array( $request->status, array( 'request-pending', 'request-failed' ), true ) ) { + return; + } + + update_post_meta( $request_id, '_wp_user_request_confirmed_timestamp', time() ); + wp_update_post( + array( + 'ID' => $request_id, + 'post_status' => 'request-confirmed', + ) + ); +} + +/** + * Notifies the site administrator via email when a request is confirmed. + * + * Without this, the admin would have to manually check the site to see if any + * action was needed on their part yet. + * + * @since 4.9.6 + * + * @param int $request_id The ID of the request. + */ +function _wp_privacy_send_request_confirmation_notification( $request_id ) { + $request = wp_get_user_request( $request_id ); + + if ( ! ( $request instanceof WP_User_Request ) || 'request-confirmed' !== $request->status ) { + return; + } + + $already_notified = (bool) get_post_meta( $request_id, '_wp_admin_notified', true ); + + if ( $already_notified ) { + return; + } + + if ( 'export_personal_data' === $request->action_name ) { + $manage_url = admin_url( 'export-personal-data.php' ); + } elseif ( 'remove_personal_data' === $request->action_name ) { + $manage_url = admin_url( 'erase-personal-data.php' ); + } + $action_description = wp_user_request_action_description( $request->action_name ); + + /** + * Filters the recipient of the data request confirmation notification. + * + * In a Multisite environment, this will default to the email address of the + * network admin because, by default, single site admins do not have the + * capabilities required to process requests. Some networks may wish to + * delegate those capabilities to a single-site admin, or a dedicated person + * responsible for managing privacy requests. + * + * @since 4.9.6 + * + * @param string $admin_email The email address of the notification recipient. + * @param WP_User_Request $request The request that is initiating the notification. + */ + $admin_email = apply_filters( 'user_request_confirmed_email_to', get_site_option( 'admin_email' ), $request ); + + $email_data = array( + 'request' => $request, + 'user_email' => $request->email, + 'description' => $action_description, + 'manage_url' => $manage_url, + 'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), + 'siteurl' => home_url(), + 'admin_email' => $admin_email, + ); + + $subject = sprintf( + /* translators: Privacy data request confirmed notification email subject. 1: Site title, 2: Name of the confirmed action. */ + __( '[%1$s] Action Confirmed: %2$s' ), + $email_data['sitename'], + $action_description + ); + + /** + * Filters the subject of the user request confirmation email. + * + * @since 4.9.8 + * + * @param string $subject The email subject. + * @param string $sitename The name of the site. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $user_email The email address confirming a request + * @type string $description Description of the action being performed so the user knows what the email is for. + * @type string $manage_url The link to click manage privacy requests of this type. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * @type string $admin_email The administrator email receiving the mail. + * } + */ + $subject = apply_filters( 'user_request_confirmed_email_subject', $subject, $email_data['sitename'], $email_data ); + + /* translators: Do not translate SITENAME, USER_EMAIL, DESCRIPTION, MANAGE_URL, SITEURL; those are placeholders. */ + $content = __( + 'Howdy, + +A user data privacy request has been confirmed on ###SITENAME###: + +User: ###USER_EMAIL### +Request: ###DESCRIPTION### + +You can view and manage these data privacy requests here: + +###MANAGE_URL### + +Regards, +All at ###SITENAME### +###SITEURL###' + ); + + /** + * Filters the body of the user request confirmation email. + * + * The email is sent to an administrator when a user request is confirmed. + * + * The following strings have a special meaning and will get replaced dynamically: + * + * ###SITENAME### The name of the site. + * ###USER_EMAIL### The user email for the request. + * ###DESCRIPTION### Description of the action being performed so the user knows what the email is for. + * ###MANAGE_URL### The URL to manage requests. + * ###SITEURL### The URL to the site. + * + * @since 4.9.6 + * @deprecated 5.8.0 Use {@see 'user_request_confirmed_email_content'} instead. + * For user erasure fulfillment email content + * use {@see 'user_erasure_fulfillment_email_content'} instead. + * + * @param string $content The email content. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $user_email The email address confirming a request + * @type string $description Description of the action being performed + * so the user knows what the email is for. + * @type string $manage_url The link to click manage privacy requests of this type. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * @type string $admin_email The administrator email receiving the mail. + * } + */ + $content = apply_filters_deprecated( + 'user_confirmed_action_email_content', + array( $content, $email_data ), + '5.8.0', + sprintf( + /* translators: 1 & 2: Deprecation replacement options. */ + __( '%1$s or %2$s' ), + 'user_request_confirmed_email_content', + 'user_erasure_fulfillment_email_content' + ) + ); + + /** + * Filters the body of the user request confirmation email. + * + * The email is sent to an administrator when a user request is confirmed. + * The following strings have a special meaning and will get replaced dynamically: + * + * ###SITENAME### The name of the site. + * ###USER_EMAIL### The user email for the request. + * ###DESCRIPTION### Description of the action being performed so the user knows what the email is for. + * ###MANAGE_URL### The URL to manage requests. + * ###SITEURL### The URL to the site. + * + * @since 5.8.0 + * + * @param string $content The email content. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $user_email The email address confirming a request + * @type string $description Description of the action being performed so the user knows what the email is for. + * @type string $manage_url The link to click manage privacy requests of this type. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * @type string $admin_email The administrator email receiving the mail. + * } + */ + $content = apply_filters( 'user_request_confirmed_email_content', $content, $email_data ); + + $content = str_replace( '###SITENAME###', $email_data['sitename'], $content ); + $content = str_replace( '###USER_EMAIL###', $email_data['user_email'], $content ); + $content = str_replace( '###DESCRIPTION###', $email_data['description'], $content ); + $content = str_replace( '###MANAGE_URL###', sanitize_url( $email_data['manage_url'] ), $content ); + $content = str_replace( '###SITEURL###', sanitize_url( $email_data['siteurl'] ), $content ); + + $headers = ''; + + /** + * Filters the headers of the user request confirmation email. + * + * @since 5.4.0 + * + * @param string|array $headers The email headers. + * @param string $subject The email subject. + * @param string $content The email content. + * @param int $request_id The request ID. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $user_email The email address confirming a request + * @type string $description Description of the action being performed so the user knows what the email is for. + * @type string $manage_url The link to click manage privacy requests of this type. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * @type string $admin_email The administrator email receiving the mail. + * } + */ + $headers = apply_filters( 'user_request_confirmed_email_headers', $headers, $subject, $content, $request_id, $email_data ); + + $email_sent = wp_mail( $email_data['admin_email'], $subject, $content, $headers ); + + if ( $email_sent ) { + update_post_meta( $request_id, '_wp_admin_notified', true ); + } +} + +/** + * Notifies the user when their erasure request is fulfilled. + * + * Without this, the user would never know if their data was actually erased. + * + * @since 4.9.6 + * + * @param int $request_id The privacy request post ID associated with this request. + */ +function _wp_privacy_send_erasure_fulfillment_notification( $request_id ) { + $request = wp_get_user_request( $request_id ); + + if ( ! ( $request instanceof WP_User_Request ) || 'request-completed' !== $request->status ) { + return; + } + + $already_notified = (bool) get_post_meta( $request_id, '_wp_user_notified', true ); + + if ( $already_notified ) { + return; + } + + // Localize message content for user; fallback to site default for visitors. + if ( ! empty( $request->user_id ) ) { + $switched_locale = switch_to_user_locale( $request->user_id ); + } else { + $switched_locale = switch_to_locale( get_locale() ); + } + + /** + * Filters the recipient of the data erasure fulfillment notification. + * + * @since 4.9.6 + * + * @param string $user_email The email address of the notification recipient. + * @param WP_User_Request $request The request that is initiating the notification. + */ + $user_email = apply_filters( 'user_erasure_fulfillment_email_to', $request->email, $request ); + + $email_data = array( + 'request' => $request, + 'message_recipient' => $user_email, + 'privacy_policy_url' => get_privacy_policy_url(), + 'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), + 'siteurl' => home_url(), + ); + + $subject = sprintf( + /* translators: Erasure request fulfilled notification email subject. %s: Site title. */ + __( '[%s] Erasure Request Fulfilled' ), + $email_data['sitename'] + ); + + /** + * Filters the subject of the email sent when an erasure request is completed. + * + * @since 4.9.8 + * @deprecated 5.8.0 Use {@see 'user_erasure_fulfillment_email_subject'} instead. + * + * @param string $subject The email subject. + * @param string $sitename The name of the site. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $message_recipient The address that the email will be sent to. Defaults + * to the value of `$request->email`, but can be changed + * by the `user_erasure_fulfillment_email_to` filter. + * @type string $privacy_policy_url Privacy policy URL. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * } + */ + $subject = apply_filters_deprecated( + 'user_erasure_complete_email_subject', + array( $subject, $email_data['sitename'], $email_data ), + '5.8.0', + 'user_erasure_fulfillment_email_subject' + ); + + /** + * Filters the subject of the email sent when an erasure request is completed. + * + * @since 5.8.0 + * + * @param string $subject The email subject. + * @param string $sitename The name of the site. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $message_recipient The address that the email will be sent to. Defaults + * to the value of `$request->email`, but can be changed + * by the `user_erasure_fulfillment_email_to` filter. + * @type string $privacy_policy_url Privacy policy URL. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * } + */ + $subject = apply_filters( 'user_erasure_fulfillment_email_subject', $subject, $email_data['sitename'], $email_data ); + + /* translators: Do not translate SITENAME, SITEURL; those are placeholders. */ + $content = __( + 'Howdy, + +Your request to erase your personal data on ###SITENAME### has been completed. + +If you have any follow-up questions or concerns, please contact the site administrator. + +Regards, +All at ###SITENAME### +###SITEURL###' + ); + + if ( ! empty( $email_data['privacy_policy_url'] ) ) { + /* translators: Do not translate SITENAME, SITEURL, PRIVACY_POLICY_URL; those are placeholders. */ + $content = __( + 'Howdy, + +Your request to erase your personal data on ###SITENAME### has been completed. + +If you have any follow-up questions or concerns, please contact the site administrator. + +For more information, you can also read our privacy policy: ###PRIVACY_POLICY_URL### + +Regards, +All at ###SITENAME### +###SITEURL###' + ); + } + + /** + * Filters the body of the data erasure fulfillment notification. + * + * The email is sent to a user when their data erasure request is fulfilled + * by an administrator. + * + * The following strings have a special meaning and will get replaced dynamically: + * + * ###SITENAME### The name of the site. + * ###PRIVACY_POLICY_URL### Privacy policy page URL. + * ###SITEURL### The URL to the site. + * + * @since 4.9.6 + * @deprecated 5.8.0 Use {@see 'user_erasure_fulfillment_email_content'} instead. + * For user request confirmation email content + * use {@see 'user_request_confirmed_email_content'} instead. + * + * @param string $content The email content. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $message_recipient The address that the email will be sent to. Defaults + * to the value of `$request->email`, but can be changed + * by the `user_erasure_fulfillment_email_to` filter. + * @type string $privacy_policy_url Privacy policy URL. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * } + */ + $content = apply_filters_deprecated( + 'user_confirmed_action_email_content', + array( $content, $email_data ), + '5.8.0', + sprintf( + /* translators: 1 & 2: Deprecation replacement options. */ + __( '%1$s or %2$s' ), + 'user_erasure_fulfillment_email_content', + 'user_request_confirmed_email_content' + ) + ); + + /** + * Filters the body of the data erasure fulfillment notification. + * + * The email is sent to a user when their data erasure request is fulfilled + * by an administrator. + * + * The following strings have a special meaning and will get replaced dynamically: + * + * ###SITENAME### The name of the site. + * ###PRIVACY_POLICY_URL### Privacy policy page URL. + * ###SITEURL### The URL to the site. + * + * @since 5.8.0 + * + * @param string $content The email content. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $message_recipient The address that the email will be sent to. Defaults + * to the value of `$request->email`, but can be changed + * by the `user_erasure_fulfillment_email_to` filter. + * @type string $privacy_policy_url Privacy policy URL. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * } + */ + $content = apply_filters( 'user_erasure_fulfillment_email_content', $content, $email_data ); + + $content = str_replace( '###SITENAME###', $email_data['sitename'], $content ); + $content = str_replace( '###PRIVACY_POLICY_URL###', $email_data['privacy_policy_url'], $content ); + $content = str_replace( '###SITEURL###', sanitize_url( $email_data['siteurl'] ), $content ); + + $headers = ''; + + /** + * Filters the headers of the data erasure fulfillment notification. + * + * @since 5.4.0 + * @deprecated 5.8.0 Use {@see 'user_erasure_fulfillment_email_headers'} instead. + * + * @param string|array $headers The email headers. + * @param string $subject The email subject. + * @param string $content The email content. + * @param int $request_id The request ID. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $message_recipient The address that the email will be sent to. Defaults + * to the value of `$request->email`, but can be changed + * by the `user_erasure_fulfillment_email_to` filter. + * @type string $privacy_policy_url Privacy policy URL. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * } + */ + $headers = apply_filters_deprecated( + 'user_erasure_complete_email_headers', + array( $headers, $subject, $content, $request_id, $email_data ), + '5.8.0', + 'user_erasure_fulfillment_email_headers' + ); + + /** + * Filters the headers of the data erasure fulfillment notification. + * + * @since 5.8.0 + * + * @param string|array $headers The email headers. + * @param string $subject The email subject. + * @param string $content The email content. + * @param int $request_id The request ID. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $message_recipient The address that the email will be sent to. Defaults + * to the value of `$request->email`, but can be changed + * by the `user_erasure_fulfillment_email_to` filter. + * @type string $privacy_policy_url Privacy policy URL. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * } + */ + $headers = apply_filters( 'user_erasure_fulfillment_email_headers', $headers, $subject, $content, $request_id, $email_data ); + + $email_sent = wp_mail( $user_email, $subject, $content, $headers ); + + if ( $switched_locale ) { + restore_previous_locale(); + } + + if ( $email_sent ) { + update_post_meta( $request_id, '_wp_user_notified', true ); + } +} + +/** + * Returns request confirmation message HTML. + * + * @since 4.9.6 + * @access private + * + * @param int $request_id The request ID being confirmed. + * @return string The confirmation message. + */ +function _wp_privacy_account_request_confirmed_message( $request_id ) { + $request = wp_get_user_request( $request_id ); + + $message = '<p class="success">' . __( 'Action has been confirmed.' ) . '</p>'; + $message .= '<p>' . __( 'The site administrator has been notified and will fulfill your request as soon as possible.' ) . '</p>'; + + if ( $request && in_array( $request->action_name, _wp_privacy_action_request_types(), true ) ) { + if ( 'export_personal_data' === $request->action_name ) { + $message = '<p class="success">' . __( 'Thanks for confirming your export request.' ) . '</p>'; + $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>'; + } elseif ( 'remove_personal_data' === $request->action_name ) { + $message = '<p class="success">' . __( 'Thanks for confirming your erasure request.' ) . '</p>'; + $message .= '<p>' . __( 'The site administrator has been notified. You will receive an email confirmation when they erase your data.' ) . '</p>'; + } + } + + /** + * Filters the message displayed to a user when they confirm a data request. + * + * @since 4.9.6 + * + * @param string $message The message to the user. + * @param int $request_id The ID of the request being confirmed. + */ + $message = apply_filters( 'user_request_action_confirmed_message', $message, $request_id ); + + return $message; +} + +/** + * Creates and logs a user request to perform a specific action. + * + * Requests are stored inside a post type named `user_request` since they can apply to both + * users on the site, or guests without a user account. + * + * @since 4.9.6 + * @since 5.7.0 Added the `$status` parameter. + * + * @param string $email_address User email address. This can be the address of a registered + * or non-registered user. + * @param string $action_name Name of the action that is being confirmed. Required. + * @param array $request_data Misc data you want to send with the verification request and pass + * to the actions once the request is confirmed. + * @param string $status Optional request status (pending or confirmed). Default 'pending'. + * @return int|WP_Error Returns the request ID if successful, or a WP_Error object on failure. + */ +function wp_create_user_request( $email_address = '', $action_name = '', $request_data = array(), $status = 'pending' ) { + $email_address = sanitize_email( $email_address ); + $action_name = sanitize_key( $action_name ); + + if ( ! is_email( $email_address ) ) { + return new WP_Error( 'invalid_email', __( 'Invalid email address.' ) ); + } + + if ( ! in_array( $action_name, _wp_privacy_action_request_types(), true ) ) { + return new WP_Error( 'invalid_action', __( 'Invalid action name.' ) ); + } + + if ( ! in_array( $status, array( 'pending', 'confirmed' ), true ) ) { + return new WP_Error( 'invalid_status', __( 'Invalid request status.' ) ); + } + + $user = get_user_by( 'email', $email_address ); + $user_id = $user && ! is_wp_error( $user ) ? $user->ID : 0; + + // Check for duplicates. + $requests_query = new WP_Query( + array( + 'post_type' => 'user_request', + 'post_name__in' => array( $action_name ), // Action name stored in post_name column. + 'title' => $email_address, // Email address stored in post_title column. + 'post_status' => array( + 'request-pending', + 'request-confirmed', + ), + 'fields' => 'ids', + ) + ); + + if ( $requests_query->found_posts ) { + return new WP_Error( 'duplicate_request', __( 'An incomplete personal data request for this email address already exists.' ) ); + } + + $request_id = wp_insert_post( + array( + 'post_author' => $user_id, + 'post_name' => $action_name, + 'post_title' => $email_address, + 'post_content' => wp_json_encode( $request_data ), + 'post_status' => 'request-' . $status, + 'post_type' => 'user_request', + 'post_date' => current_time( 'mysql', false ), + 'post_date_gmt' => current_time( 'mysql', true ), + ), + true + ); + + return $request_id; +} + +/** + * Gets action description from the name and return a string. + * + * @since 4.9.6 + * + * @param string $action_name Action name of the request. + * @return string Human readable action name. + */ +function wp_user_request_action_description( $action_name ) { + switch ( $action_name ) { + case 'export_personal_data': + $description = __( 'Export Personal Data' ); + break; + case 'remove_personal_data': + $description = __( 'Erase Personal Data' ); + break; + default: + /* translators: %s: Action name. */ + $description = sprintf( __( 'Confirm the "%s" action' ), $action_name ); + break; + } + + /** + * Filters the user action description. + * + * @since 4.9.6 + * + * @param string $description The default description. + * @param string $action_name The name of the request. + */ + return apply_filters( 'user_request_action_description', $description, $action_name ); +} + +/** + * Send a confirmation request email to confirm an action. + * + * If the request is not already pending, it will be updated. + * + * @since 4.9.6 + * + * @param string $request_id ID of the request created via wp_create_user_request(). + * @return true|WP_Error True on success, `WP_Error` on failure. + */ +function wp_send_user_request( $request_id ) { + $request_id = absint( $request_id ); + $request = wp_get_user_request( $request_id ); + + if ( ! $request ) { + return new WP_Error( 'invalid_request', __( 'Invalid personal data request.' ) ); + } + + // Localize message content for user; fallback to site default for visitors. + if ( ! empty( $request->user_id ) ) { + $switched_locale = switch_to_user_locale( $request->user_id ); + } else { + $switched_locale = switch_to_locale( get_locale() ); + } + + $email_data = array( + 'request' => $request, + 'email' => $request->email, + 'description' => wp_user_request_action_description( $request->action_name ), + 'confirm_url' => add_query_arg( + array( + 'action' => 'confirmaction', + 'request_id' => $request_id, + 'confirm_key' => wp_generate_user_request_key( $request_id ), + ), + wp_login_url() + ), + 'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), + 'siteurl' => home_url(), + ); + + /* translators: Confirm privacy data request notification email subject. 1: Site title, 2: Name of the action. */ + $subject = sprintf( __( '[%1$s] Confirm Action: %2$s' ), $email_data['sitename'], $email_data['description'] ); + + /** + * Filters the subject of the email sent when an account action is attempted. + * + * @since 4.9.6 + * + * @param string $subject The email subject. + * @param string $sitename The name of the site. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $email The email address this is being sent to. + * @type string $description Description of the action being performed so the user knows what the email is for. + * @type string $confirm_url The link to click on to confirm the account action. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * } + */ + $subject = apply_filters( 'user_request_action_email_subject', $subject, $email_data['sitename'], $email_data ); + + /* translators: Do not translate DESCRIPTION, CONFIRM_URL, SITENAME, SITEURL: those are placeholders. */ + $content = __( + 'Howdy, + +A request has been made to perform the following action on your account: + + ###DESCRIPTION### + +To confirm this, please click on the following link: +###CONFIRM_URL### + +You can safely ignore and delete this email if you do not want to +take this action. + +Regards, +All at ###SITENAME### +###SITEURL###' + ); + + /** + * Filters the text of the email sent when an account action is attempted. + * + * The following strings have a special meaning and will get replaced dynamically: + * + * ###DESCRIPTION### Description of the action being performed so the user knows what the email is for. + * ###CONFIRM_URL### The link to click on to confirm the account action. + * ###SITENAME### The name of the site. + * ###SITEURL### The URL to the site. + * + * @since 4.9.6 + * + * @param string $content Text in the email. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $email The email address this is being sent to. + * @type string $description Description of the action being performed so the user knows what the email is for. + * @type string $confirm_url The link to click on to confirm the account action. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * } + */ + $content = apply_filters( 'user_request_action_email_content', $content, $email_data ); + + $content = str_replace( '###DESCRIPTION###', $email_data['description'], $content ); + $content = str_replace( '###CONFIRM_URL###', sanitize_url( $email_data['confirm_url'] ), $content ); + $content = str_replace( '###EMAIL###', $email_data['email'], $content ); + $content = str_replace( '###SITENAME###', $email_data['sitename'], $content ); + $content = str_replace( '###SITEURL###', sanitize_url( $email_data['siteurl'] ), $content ); + + $headers = ''; + + /** + * Filters the headers of the email sent when an account action is attempted. + * + * @since 5.4.0 + * + * @param string|array $headers The email headers. + * @param string $subject The email subject. + * @param string $content The email content. + * @param int $request_id The request ID. + * @param array $email_data { + * Data relating to the account action email. + * + * @type WP_User_Request $request User request object. + * @type string $email The email address this is being sent to. + * @type string $description Description of the action being performed so the user knows what the email is for. + * @type string $confirm_url The link to click on to confirm the account action. + * @type string $sitename The site name sending the mail. + * @type string $siteurl The site URL sending the mail. + * } + */ + $headers = apply_filters( 'user_request_action_email_headers', $headers, $subject, $content, $request_id, $email_data ); + + $email_sent = wp_mail( $email_data['email'], $subject, $content, $headers ); + + if ( $switched_locale ) { + restore_previous_locale(); + } + + if ( ! $email_sent ) { + return new WP_Error( 'privacy_email_error', __( 'Unable to send personal data export confirmation email.' ) ); + } + + return true; +} + +/** + * Returns a confirmation key for a user action and stores the hashed version for future comparison. + * + * @since 4.9.6 + * + * @param int $request_id Request ID. + * @return string Confirmation key. + */ +function wp_generate_user_request_key( $request_id ) { + global $wp_hasher; + + // Generate something random for a confirmation key. + $key = wp_generate_password( 20, false ); + + // Return the key, hashed. + if ( empty( $wp_hasher ) ) { + require_once ABSPATH . WPINC . '/class-phpass.php'; + $wp_hasher = new PasswordHash( 8, true ); + } + + wp_update_post( + array( + 'ID' => $request_id, + 'post_status' => 'request-pending', + 'post_password' => $wp_hasher->HashPassword( $key ), + ) + ); + + return $key; +} + +/** + * Validates a user request by comparing the key with the request's key. + * + * @since 4.9.6 + * + * @param string $request_id ID of the request being confirmed. + * @param string $key Provided key to validate. + * @return true|WP_Error True on success, WP_Error on failure. + */ +function wp_validate_user_request_key( $request_id, $key ) { + global $wp_hasher; + + $request_id = absint( $request_id ); + $request = wp_get_user_request( $request_id ); + $saved_key = $request->confirm_key; + $key_request_time = $request->modified_timestamp; + + if ( ! $request || ! $saved_key || ! $key_request_time ) { + return new WP_Error( 'invalid_request', __( 'Invalid personal data request.' ) ); + } + + if ( ! in_array( $request->status, array( 'request-pending', 'request-failed' ), true ) ) { + return new WP_Error( 'expired_request', __( 'This personal data request has expired.' ) ); + } + + if ( empty( $key ) ) { + return new WP_Error( 'missing_key', __( 'The confirmation key is missing from this personal data request.' ) ); + } + + if ( empty( $wp_hasher ) ) { + require_once ABSPATH . WPINC . '/class-phpass.php'; + $wp_hasher = new PasswordHash( 8, true ); + } + + /** + * Filters the expiration time of confirm keys. + * + * @since 4.9.6 + * + * @param int $expiration The expiration time in seconds. + */ + $expiration_duration = (int) apply_filters( 'user_request_key_expiration', DAY_IN_SECONDS ); + $expiration_time = $key_request_time + $expiration_duration; + + if ( ! $wp_hasher->CheckPassword( $key, $saved_key ) ) { + return new WP_Error( 'invalid_key', __( 'The confirmation key is invalid for this personal data request.' ) ); + } + + if ( ! $expiration_time || time() > $expiration_time ) { + return new WP_Error( 'expired_key', __( 'The confirmation key has expired for this personal data request.' ) ); + } + + return true; +} + +/** + * Returns the user request object for the specified request ID. + * + * @since 4.9.6 + * + * @param int $request_id The ID of the user request. + * @return WP_User_Request|false + */ +function wp_get_user_request( $request_id ) { + $request_id = absint( $request_id ); + $post = get_post( $request_id ); + + if ( ! $post || 'user_request' !== $post->post_type ) { + return false; + } + + return new WP_User_Request( $post ); +} + +/** + * Checks if Application Passwords is supported. + * + * Application Passwords is supported only by sites using SSL or local environments + * but may be made available using the {@see 'wp_is_application_passwords_available'} filter. + * + * @since 5.9.0 + * + * @return bool + */ +function wp_is_application_passwords_supported() { + return is_ssl() || 'local' === wp_get_environment_type(); +} + +/** + * Checks if Application Passwords is globally available. + * + * By default, Application Passwords is available to all sites using SSL or to local environments. + * Use the {@see 'wp_is_application_passwords_available'} filter to adjust its availability. + * + * @since 5.6.0 + * + * @return bool + */ +function wp_is_application_passwords_available() { + /** + * Filters whether Application Passwords is available. + * + * @since 5.6.0 + * + * @param bool $available True if available, false otherwise. + */ + return apply_filters( 'wp_is_application_passwords_available', wp_is_application_passwords_supported() ); +} + +/** + * Checks if Application Passwords is available for a specific user. + * + * By default all users can use Application Passwords. Use {@see 'wp_is_application_passwords_available_for_user'} + * to restrict availability to certain users. + * + * @since 5.6.0 + * + * @param int|WP_User $user The user to check. + * @return bool + */ +function wp_is_application_passwords_available_for_user( $user ) { + if ( ! wp_is_application_passwords_available() ) { + return false; + } + + if ( ! is_object( $user ) ) { + $user = get_userdata( $user ); + } + + if ( ! $user || ! $user->exists() ) { + return false; + } + + /** + * Filters whether Application Passwords is available for a specific user. + * + * @since 5.6.0 + * + * @param bool $available True if available, false otherwise. + * @param WP_User $user The user to check. + */ + return apply_filters( 'wp_is_application_passwords_available_for_user', true, $user ); +} + +/** + * Registers the user meta property for persisted preferences. + * + * This property is used to store user preferences across page reloads and is + * currently used by the block editor for preferences like 'fullscreenMode' and + * 'fixedToolbar'. + * + * @since 6.1.0 + * @access private + * + * @global wpdb $wpdb WordPress database abstraction object. + */ +function wp_register_persisted_preferences_meta() { + /* + * Create a meta key that incorporates the blog prefix so that each site + * on a multisite can have distinct user preferences. + */ + global $wpdb; + $meta_key = $wpdb->get_blog_prefix() . 'persisted_preferences'; + + register_meta( + 'user', + $meta_key, + array( + 'type' => 'object', + 'single' => true, + 'show_in_rest' => array( + 'name' => 'persisted_preferences', + 'type' => 'object', + 'schema' => array( + 'type' => 'object', + 'context' => array( 'edit' ), + 'properties' => array( + '_modified' => array( + 'description' => __( 'The date and time the preferences were updated.' ), + 'type' => 'string', + 'format' => 'date-time', + 'readonly' => false, + ), + ), + 'additionalProperties' => true, + ), + ), + ) + ); +} + +/** + * Sets the last changed time for the 'users' cache group. + * + * @since 6.3.0 + */ +function wp_cache_set_users_last_changed() { + wp_cache_set_last_changed( 'users' ); +} + +/** + * Checks if password reset is allowed for a specific user. + * + * @since 6.3.0 + * + * @param int|WP_User $user The user to check. + * @return bool|WP_Error True if allowed, false or WP_Error otherwise. + */ +function wp_is_password_reset_allowed_for_user( $user ) { + if ( ! is_object( $user ) ) { + $user = get_userdata( $user ); + } + + if ( ! $user || ! $user->exists() ) { + return false; + } + $allow = true; + if ( is_multisite() && is_user_spammy( $user ) ) { + $allow = false; + } + + /** + * Filters whether to allow a password to be reset. + * + * @since 2.7.0 + * + * @param bool $allow Whether to allow the password to be reset. Default true. + * @param int $user_id The ID of the user attempting to reset a password. + */ + return apply_filters( 'allow_password_reset', $allow, $user->ID ); +} |