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<?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. * @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) ) { $credentials = array(); // Back-compat for plugins passing an empty string. if ( ! empty($_POST['log']) ) $credentials['user_login'] = $_POST['log']; if ( ! empty($_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) ) { if ( $user->get_error_codes() == array('empty_username', 'empty_password') ) { $user = new WP_Error('', ''); } 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; } /** * Authenticate 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', __( '<strong>ERROR</strong>: Invalid username.' ) . ' <a href="' . wp_lostpassword_url() . '">' . __( 'Lost your password?' ) . '</a>' ); } /** * 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 ) ) { $error->add( 'empty_username', __( '<strong>ERROR</strong>: The email field is empty.' ) ); // Uses 'empty_username' for back-compat with wp_signon() } 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', __( '<strong>ERROR</strong>: Invalid email address.' ) . ' <a href="' . wp_lostpassword_url() . '">' . __( 'Lost your password?' ) . '</a>' ); } /** 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; } /** * Authenticate 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; } /** * For Multisite blogs, check 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|bool $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( $_COOKIE[LOGGED_IN_COOKIE], 'logged_in' ); } /** * Number of posts user has written. * * @since 3.0.0 * @since 4.1.0 Added `$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 ); } /** * Number of posts written by a list of users. * * @since 3.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $users Array of user IDs. * @param string|array $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 array Amount of posts each user has written. */ 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 // /** * Get 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 ); } /** * Retrieve 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(); if ( ! $user = get_userdata( $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 ); } /** * Update user option with global blog capability. * * User options are just like user metadata except that they have support for * global blog options. If the '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 $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, $global = false ) { global $wpdb; if ( !$global ) $option_name = $wpdb->get_blog_prefix() . $option_name; return update_user_meta( $user_id, $option_name, $newvalue ); } /** * Delete user option with global blog capability. * * User options are just like user metadata except that they have support for * global blog options. If the '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 $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, $global = false ) { global $wpdb; if ( !$global ) $option_name = $wpdb->get_blog_prefix() . $option_name; return delete_user_meta( $user_id, $option_name ); } /** * Retrieve 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(); } /** * Get 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 array 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. * * Passing a non-null value to the filter will effectively short circuit * get_blogs_of_user(), returning that value instead. * * @since 4.6.0 * * @param null|array $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 ( 'capabilities' !== substr( $key, -12 ) ) continue; if ( $wpdb->base_prefix && 0 !== strpos( $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 array $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 ); } /** * Find 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 ] ) && $blog_id == 1 ) { 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. * @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); } /** * Remove 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://codex.wordpress.org/Function_Reference/delete_user_meta * * @param int $user_id User ID * @param string $meta_key Metadata name. * @param mixed $meta_value Optional. Metadata value. * @return bool True on success, false on failure. */ function delete_user_meta($user_id, $meta_key, $meta_value = '') { return delete_metadata('user', $user_id, $meta_key, $meta_value); } /** * Retrieve user meta field for a user. * * @since 3.0.0 * @link https://codex.wordpress.org/Function_Reference/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 Whether to return a single value. * @return mixed Will be an array if $single is false. Will be value of meta data field if $single is true. */ function get_user_meta($user_id, $key = '', $single = false) { return get_metadata('user', $user_id, $key, $single); } /** * Update 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://codex.wordpress.org/Function_Reference/update_user_meta * * @param int $user_id User ID. * @param string $meta_key Metadata key. * @param mixed $meta_value Metadata value. * @param mixed $prev_value Optional. Previous value to check before removing. * @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure. */ function update_user_meta($user_id, $meta_key, $meta_value, $prev_value = '') { return update_metadata('user', $user_id, $meta_key, $meta_value, $prev_value); } /** * Count 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 Includes a grand total and an array of counts indexed by role strings. */ function count_users( $strategy = 'time', $site_id = null ) { global $wpdb; // Initialize if ( ! $site_id ) { $site_id = get_current_blog_id(); } $blog_prefix = $wpdb->get_blog_prefix( $site_id ); $result = array(); if ( 'time' == $strategy ) { if ( is_multisite() && $site_id != get_current_blog_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; } // // Private helper functions // /** * Set 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 $for_user_id Optional. User ID to set up global data. */ function setup_userdata($for_user_id = '') { 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 = $user->display_name; } /** * Create dropdown HTML content of users. * * The content can either be displayed, which it is by default or retrieved by * setting the 'echo' argument. The 'include' and 'exclude' arguments do not * need to be used; all users will be displayed in that case. Only one can be * used, either 'include' or 'exclude', but not both. * * The available arguments are as follows: * * @since 2.3.0 * @since 4.5.0 Added the 'display_name_with_login' value for 'show'. * @since 4.7.0 Added the `$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_non 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 array|string $include Array or comma-separated list of user IDs to include. * Default empty. * @type array|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 array $role__in An array of role names. Matched users must have at least one of * these roles. Default empty array. * @type array $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 String of HTML content. */ 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(), ); $defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0; $r = wp_parse_args( $args, $defaults ); $query_args = wp_array_slice_assoc( $r, array( 'blog_id', 'include', 'exclude', 'orderby', 'order', 'who', 'role', 'role__in', 'role__not_in' ) ); $fields = array( 'ID', 'user_login' ); $show = ! empty( $r['show'] ) ? $r['show'] : 'display_name'; if ( 'display_name_with_login' === $show ) { $fields[] = 'display_name'; } else { $fields[] = $show; } $query_args['fields'] = $fields; $show_option_all = $r['show_option_all']; $show_option_none = $r['show_option_none']; $option_none_value = $r['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 $r The arguments passed to wp_dropdown_users() combined with the defaults. */ $query_args = apply_filters( 'wp_dropdown_users_args', $query_args, $r ); $users = get_users( $query_args ); $output = ''; if ( ! empty( $users ) && ( empty( $r['hide_if_only_one_author'] ) || count( $users ) > 1 ) ) { $name = esc_attr( $r['name'] ); if ( $r['multi'] && ! $r['id'] ) { $id = ''; } else { $id = $r['id'] ? " id='" . esc_attr( $r['id'] ) . "'" : " id='$name'"; } $output = "<select name='{$name}'{$id} class='" . $r['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, $r['selected'], false ); $output .= "\t<option value='" . esc_attr( $option_none_value ) . "'$_selected>$show_option_none</option>\n"; } if ( $r['include_selected'] && ( $r['selected'] > 0 ) ) { $found_selected = false; $r['selected'] = (int) $r['selected']; foreach ( (array) $users as $user ) { $user->ID = (int) $user->ID; if ( $user->ID === $r['selected'] ) { $found_selected = true; } } if ( ! $found_selected ) { $users[] = get_userdata( $r['selected'] ); } } foreach ( (array) $users as $user ) { if ( 'display_name_with_login' === $show ) { /* translators: 1: 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, $r['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 ( $r['echo'] ) { echo $html; } return $html; } /** * Sanitize 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) ) $value = (int) $value; if ( 'raw' == $context ) return $value; if ( !is_string($value) && !is_numeric($value) ) return $value; $prefixed = false !== strpos( $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 ); } return $value; } /** * Update all user caches * * @since 3.0.0 * * @param WP_User $user User object to be cached * @return bool|null Returns 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_email, $user->ID, 'useremail'); wp_cache_add($user->user_nicename, $user->ID, 'userslugs'); } /** * Clean all user caches * * @since 3.0.0 * @since 4.4.0 'clean_user_cache' action was added. * * @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_email, 'useremail' ); wp_cache_delete( $user->user_nicename, 'userslugs' ); /** * 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 ); } /** * Checks whether the given username exists. * * @since 2.0.0 * * @param string $username Username. * @return int|false The user's ID on success, and false on failure. */ function username_exists( $username ) { if ( $user = get_user_by( 'login', $username ) ) { $user_id = $user->ID; } else { $user_id = false; } /** * Filters whether the given username exists or not. * * @since 4.9.0 * * @param int|false $user_id The user's ID on success, and false on failure. * @param string $username Username to check. */ return apply_filters( 'username_exists', $user_id, $username ); } /** * Checks whether the given email exists. * * @since 2.1.0 * * @param string $email Email. * @return int|false The user's ID on success, and false on failure. */ function email_exists( $email ) { if ( $user = get_user_by( 'email', $email) ) { return $user->ID; } return false; } /** * 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 or not. * * @since 2.0.1 * * @param bool $valid Whether given username is valid. * @param string $username Username to check. */ return apply_filters( 'validate_username', $valid, $username ); } /** * Insert a user into the database. * * Most of the `$userdata` array fields have filters associated with the values. Exceptions are * 'ID', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl', * 'user_registered', 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 user's locale can be passed to `$userdata`. * * @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. * @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|bool $rich_editing Whether to enable the rich-editor for the user. * False if not empty. * @type string|bool $syntax_highlighting Whether to enable the rich code editor for the user. * False if not empty. * @type string|bool $comment_shortcuts Whether to enable comment moderation keyboard * shortcuts for the user. 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. Format is 'Y-m-d H:i:s'. * @type string|bool $show_admin_bar_front Whether to display the Admin Bar for the user on the * site's front end. Default true. * @type string $role User's role. * @type string $locale User's locale. 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'] ) ) { $ID = (int) $userdata['ID']; $update = true; $old_user_data = get_userdata( $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 blacklisted usernames. * * @since 4.4.0 * * @param array $usernames Array of blacklisted usernames. */ $illegal_logins = (array) apply_filters( 'illegal_user_logins', array() ); if ( in_array( strtolower( $user_login ), array_map( 'strtolower', $illegal_logins ) ) ) { 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 ); if ( mb_strlen( $user_nicename ) > 50 ) { return new WP_Error( 'user_nicename_too_long', __( 'Nicename may not be longer than 50 characters.' ) ); } } else { $user_nicename = mb_substr( $user_login, 0, 50 ); } $user_nicename = sanitize_title( $user_nicename ); // Store values to save in user meta. $meta = array(); /** * 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 ); $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 ); $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, or not, 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!' ) ); } $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'] ) { /* translators: 1: first name, 2: last name */ $display_name = sprintf( _x( '%1$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 : $userdata['use_ssl']; $user_registered = empty( $userdata['user_registered'] ) ? gmdate( 'Y-m-d H:i:s' ) : $userdata['user_registered']; $meta['show_admin_bar_front'] = empty( $userdata['show_admin_bar_front'] ) ? 'true' : $userdata['show_admin_bar_front']; $meta['locale'] = isset( $userdata['locale'] ) ? $userdata['locale'] : ''; $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; } $compacted = compact( 'user_pass', 'user_email', 'user_url', 'user_nicename', 'display_name', 'user_registered' ); $data = wp_unslash( $compacted ); if ( ! $update ) { $data = $data + compact( 'user_login' ); } /** * Filters user data before the record is created or updated. * * It only includes data in the wp_users table wp_user, not any user metadata. * * @since 4.9.0 * * @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 $id ID of the user to be updated, or NULL if the user is being created. */ $data = apply_filters( 'wp_pre_insert_user_data', $data, $update, $update ? (int) $ID : null ); if ( $update ) { if ( $user_email !== $old_user_data->user_email ) { $data['user_activation_key'] = ''; } $wpdb->update( $wpdb->users, $data, compact( 'ID' ) ); $user_id = (int) $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 )`. * * @since 4.4.0 * * @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 bool $rich_editing Whether to enable the rich-editor for the user. False if not empty. * @type bool $syntax_highlighting Whether to enable the rich code editor for the user. False if not empty. * @type bool $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 bool $show_admin_bar_front Whether to show the admin bar on the front end for the user. * Default true. * } * @param WP_User $user User object. * @param bool $update Whether the user is being updated rather than created. */ $meta = apply_filters( 'insert_user_meta', $meta, $user, $update ); // Update user meta. foreach ( $meta as $key => $value ) { update_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')); } wp_cache_delete( $user_id, 'users' ); wp_cache_delete( $user_login, 'userlogins' ); if ( $update ) { /** * Fires immediately after an existing user is updated. * * @since 2.0.0 * * @param int $user_id User ID. * @param WP_User $old_user_data Object containing user's data prior to update. */ do_action( 'profile_update', $user_id, $old_user_data ); } else { /** * Fires immediately after a new user is registered. * * @since 1.5.0 * * @param int $user_id User ID. */ do_action( 'user_register', $user_id ); } return $user_id; } /** * Update 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 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(); } $ID = isset( $userdata['ID'] ) ? (int) $userdata['ID'] : 0; if ( ! $ID ) { return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) ); } // First, get all of the original fields $user_obj = get_userdata( $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( $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 ); } wp_cache_delete( $user['user_email'], 'useremail' ); wp_cache_delete( $user['user_nicename'], 'userslugs' ); // 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 ) ) { $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_locale( get_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: User password change notification email subject. 1: Site name */ 'subject' => __( '[%s] Notice of Password Change' ), '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: User email change notification email subject. 1: Site name */ 'subject' => __( '[%s] Notice of Email Change' ), '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 == $ID ) { if ( isset($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 ), $ID, false ); $remember = ( ( $logged_in_cookie['expiration'] - time() ) > $default_cookie_life ); wp_set_auth_cookie( $ID, $remember ); } } return $user_id; } /** * 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 array 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 ) ) ); } /** * Set 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 $user Optional. WP_User object. * @return array Array of contact methods and their labels. */ 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 array $methods Array of contact methods and their labels. * @param WP_User $user WP_User object. */ 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 $user Optional. WP_User object. Default null. * @return array Array of contact methods and their labels. */ 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 wpdb $wpdb WordPress database abstraction object. * @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 $wpdb, $wp_hasher; /** * Fires before a new password is retrieved. * * Use the {@see 'retrieve_password'} hook instead. * * @since 1.5.0 * @deprecated 1.5.1 Misspelled. Use 'retrieve_password' hook instead. * * @param string $user_login The user login name. */ do_action( 'retreive_password', $user->user_login ); /** * 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 ); $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_data->ID The ID of the user attempting to reset a password. */ $allow = apply_filters( 'allow_password_reset', $allow, $user->ID ); if ( ! $allow ) { return new WP_Error( 'no_password_reset', __( 'Password reset is not allowed for this user' ) ); } elseif ( is_wp_error( $allow ) ) { return $allow; } // 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 = $wpdb->update( $wpdb->users, array( 'user_activation_key' => $hashed ), array( 'user_login' => $user->user_login ) ); if ( false === $key_saved ) { return new WP_Error( 'no_password_key_update', __( 'Could not save password reset key to database.' ) ); } 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 wpdb $wpdb WordPress database object for queries. * @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 $wpdb, $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')); $row = $wpdb->get_row( $wpdb->prepare( "SELECT ID, user_activation_key FROM $wpdb->users WHERE user_login = %s", $login ) ); if ( ! $row ) 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 ( false !== strpos( $row->user_activation_key, ':' ) ) { list( $pass_request_time, $pass_key ) = explode( ':', $row->user_activation_key, 2 ); $expiration_time = $pass_request_time + $expiration_duration; } else { $pass_key = $row->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 get_userdata( $row->ID ); } 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( $row->user_activation_key, $key ) || ( $hash_is_correct && ! $expiration_time ) ) { $return = new WP_Error( 'expired_key', __( 'Invalid key' ) ); $user_id = $row->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 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 object $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_option( $user->ID, 'default_password_nag', false, true ); /** * 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_map( 'strtolower', (array) apply_filters( 'illegal_user_logins', array() ) ); if ( in_array( strtolower( $sanitized_user_login ), $illegal_user_logins ) ) { $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 isn’t correct.' ) ); $user_email = ''; } elseif ( email_exists( $user_email ) ) { $errors->add( 'email_exists', __( '<strong>ERROR</strong>: This email is already registered, please choose another one.' ) ); } /** * 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 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->get_error_code() ) 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( __( '<strong>ERROR</strong>: Couldn’t register you… please contact the <a href="mailto:%s">webmaster</a> !' ), get_option( 'admin_email' ) ) ); return $errors; } update_user_option( $user_id, 'default_password_nag', true, true ); //Set up the Password change nag. /** * 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 ); } /** * Retrieve 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'] : ''; } /** * Retrieve 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(); } /** * Remove 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 ); } } /** * Remove 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 ); } } /** * Remove 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() ); $manager->destroy_all(); } /** * Get the user IDs of all users with no role on this site. * * @since 4.4.0 * @since 4.9.0 The `$site_id` parameter was added to support multisite. * * @param int|null $site_id Optional. The site ID to get users with no role for. Defaults to the current site. * @return array Array of user IDs. */ 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() && $site_id != get_current_blog_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|bool $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; } /** * Send 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. * @global wpdb $wpdb WordPress database object. */ function send_confirmation_on_profile_email() { global $errors, $wpdb; $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 isn’t correct." ), array( 'form-field' => 'email', ) ); return; } if ( $wpdb->get_var( $wpdb->prepare( "SELECT user_email FROM {$wpdb->users} WHERE user_email=%s", $_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() . mt_rand() ); $new_user_email = array( 'hash' => $hash, 'newemail' => $_POST['email'], ); update_user_meta( $current_user->ID, '_new_email', $new_user_email ); if ( is_multisite() ) { $sitename = get_site_option( 'site_name' ); } else { $sitename = get_option( 'blogname' ); } /* 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( admin_url( 'profile.php?newuseremail=' . $hash ) ), $content ); $content = str_replace( '###EMAIL###', $_POST['email'], $content ); $content = str_replace( '###SITENAME###', wp_specialchars_decode( $sitename, ENT_QUOTES ), $content ); $content = str_replace( '###SITEURL###', network_home_url(), $content ); wp_mail( $_POST['email'], sprintf( __( '[%s] New Email Address' ), wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) ), $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 */ 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 ) ) { /* translators: %s: New email address */ echo '<div class="notice notice-info"><p>' . sprintf( __( 'Your email address has not been updated yet. Please check your inbox at %s for a confirmation email.' ), '<code>' . esc_html( $email['newemail'] ) . '</code>' ) . '</p></div>'; } }