diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-includes/user.php --- a/wp/wp-includes/user.php Tue Jun 09 11:14:17 2015 +0000 +++ b/wp/wp-includes/user.php Mon Oct 14 17:39:30 2019 +0200 @@ -1,13 +1,13 @@ ERROR: Invalid username. Lost your password?' ), wp_lostpassword_url() ) ); + if ( !$user ) { + return new WP_Error( 'invalid_username', + __( 'ERROR: Invalid username.' ) . + ' ' . + __( 'Lost your password?' ) . + '' + ); + } /** - * Filter whether the given user can be authenticated with the provided $password. + * Filters whether the given user can be authenticated with the provided $password. * * @since 2.5.0 * @@ -149,9 +164,90 @@ if ( is_wp_error($user) ) return $user; - if ( !wp_check_password($password, $user->user_pass, $user->ID) ) - return new WP_Error( 'incorrect_password', sprintf( __( 'ERROR: The password you entered for the username %1$s is incorrect. Lost your password?' ), - $username, wp_lostpassword_url() ) ); + if ( ! wp_check_password( $password, $user->user_pass, $user->ID ) ) { + return new WP_Error( 'incorrect_password', + sprintf( + /* translators: %s: user name */ + __( 'ERROR: The password you entered for the username %s is incorrect.' ), + '' . $username . '' + ) . + ' ' . + __( 'Lost your password?' ) . + '' + ); + } + + 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', __( 'ERROR: The email field is empty.' ) ); // Uses 'empty_username' for back-compat with wp_signon() + } + + if ( empty( $password ) ) { + $error->add( 'empty_password', __( 'ERROR: 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', + __( 'ERROR: Invalid email address.' ) . + ' ' . + __( 'Lost your password?' ) . + '' + ); + } + + /** 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 */ + __( 'ERROR: The password you entered for the email address %s is incorrect.' ), + '' . $email . '' + ) . + ' ' . + __( 'Lost your password?' ) . + '' + ); + } return $user; } @@ -161,6 +257,8 @@ * * @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. @@ -204,14 +302,14 @@ function wp_authenticate_spam_check( $user ) { if ( $user instanceof WP_User && is_multisite() ) { /** - * Filter whether the user has been marked as a spammer. + * 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 ); + $spammed = apply_filters( 'check_is_user_spammed', is_user_spammy( $user ), $user ); if ( $spammed ) return new WP_Error( 'spammer_account', __( 'ERROR: Your account has been marked as a spammer.' ) ); @@ -220,19 +318,19 @@ } /** - * Validate the logged-in cookie. + * 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 determine_current_user filter, rather than API. + * 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|bool User ID if validated, false otherwise. If a user ID from - * an earlier filter callback is received, that value is returned. + * @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 ( $user_id ) { @@ -251,31 +349,36 @@ * * @since 3.0.0 * @since 4.1.0 Added `$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 object for queries. + * @global wpdb $wpdb WordPress database abstraction object. * - * @param int $userid User ID. - * @param string $post_type Optional. Post type to count the number of posts for. Default 'post'. - * @return int Number of posts the user has written in this post type. + * @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' ) { +function count_user_posts( $userid, $post_type = 'post', $public_only = false ) { global $wpdb; - $where = get_posts_by_author_sql( $post_type, true, $userid ); + $where = get_posts_by_author_sql( $post_type, true, $userid, $public_only ); $count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts $where" ); /** - * Filter the number of posts a user has written. + * Filters the number of posts a user has written. * * @since 2.7.0 * @since 4.1.0 Added `$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 $post_type Post type to count the number of posts for. + * @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 ); + return apply_filters( 'get_usernumposts', $count, $userid, $post_type, $public_only ); } /** @@ -283,9 +386,11 @@ * * @since 3.0.0 * - * @param array $users Array of user IDs. - * @param string $post_type Optional. Post type to check. Defaults to post. - * @param bool $public_only Optional. Only return counts for public posts. Defaults to false. + * @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 ) { @@ -318,9 +423,9 @@ /** * Get the current user's ID * - * @since MU + * @since MU (3.0.0) * - * @return int The current user's ID + * @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' ) ) @@ -341,7 +446,7 @@ * * @since 2.0.0 * - * @global wpdb $wpdb WordPress database object for queries. + * @global wpdb $wpdb WordPress database abstraction object. * * @param string $option User option name. * @param int $user Optional. User ID. @@ -352,7 +457,7 @@ global $wpdb; if ( !empty( $deprecated ) ) - _deprecated_argument( __FUNCTION__, '3.0' ); + _deprecated_argument( __FUNCTION__, '3.0.0' ); if ( empty( $user ) ) $user = get_current_user_id(); @@ -369,7 +474,7 @@ $result = false; /** - * Filter a specific user option value. + * Filters a specific user option value. * * The dynamic portion of the hook name, `$option`, refers to the user option name. * @@ -393,7 +498,7 @@ * * @since 2.0.0 * - * @global wpdb $wpdb WordPress database object for queries. + * @global wpdb $wpdb WordPress database abstraction object. * * @param int $user_id User ID. * @param string $option_name User option name. @@ -421,7 +526,7 @@ * * @since 3.0.0 * - * @global wpdb $wpdb WordPress database object for queries. + * @global wpdb $wpdb WordPress database abstraction object. * * @param int $user_id User ID * @param string $option_name User option name. @@ -438,673 +543,13 @@ } /** - * WordPress User Query class. - * - * @since 3.1.0 - * - * @see WP_User_Query::prepare_query() for information on accepted arguments. - */ -class WP_User_Query { - - /** - * Query vars, after parsing - * - * @since 3.5.0 - * @access public - * @var array - */ - public $query_vars = array(); - - /** - * List of found user ids - * - * @since 3.1.0 - * @access private - * @var array - */ - private $results; - - /** - * Total number of found users for the current query - * - * @since 3.1.0 - * @access private - * @var int - */ - private $total_users = 0; - - /** - * Metadata query container. - * - * @since 4.2.0 - * @access public - * @var object WP_Meta_Query - */ - public $meta_query = false; - - private $compat_fields = array( 'results', 'total_users' ); - - // SQL clauses - public $query_fields; - public $query_from; - public $query_where; - public $query_orderby; - public $query_limit; - - /** - * PHP5 constructor. - * - * @since 3.1.0 - * - * @param null|string|array $args Optional. The query variables. - */ - public function __construct( $query = null ) { - if ( ! empty( $query ) ) { - $this->prepare_query( $query ); - $this->query(); - } - } - - /** - * Prepare the query variables. - * - * @since 3.1.0 - * @since 4.2.0 Added 'meta_value_num' support for `$orderby` parameter. Added multi-dimensional array syntax - * for `$orderby` parameter. - * @access public - * - * @param string|array $query { - * Optional. Array or string of Query parameters. - * - * @type int $blog_id The site ID. Default is the global blog id. - * @type string $role Role name. Default empty. - * @type string $meta_key User meta key. Default empty. - * @type string $meta_value User meta value. Default empty. - * @type string $meta_compare Comparison operator to test the `$meta_value`. Accepts '=', '!=', - * '>', '>=', '<', '<=', 'LIKE', 'NOT LIKE', 'IN', 'NOT IN', 'BETWEEN', - * 'NOT BETWEEN', 'EXISTS', 'NOT EXISTS', 'REGEXP', 'NOT REGEXP', - * or 'RLIKE'. Default '='. - * @type array $include An array of user IDs to include. Default empty array. - * @type array $exclude An array of user IDs to exclude. Default empty array. - * @type string $search Search keyword. Searches for possible string matches on columns. - * When `$search_columns` is left empty, it tries to determine which - * column to search in based on search string. Default empty. - * @type array $search_columns Array of column names to be searched. Accepts 'ID', 'login', - * 'nicename', 'email', 'url'. Default empty array. - * @type string|array $orderby Field(s) to sort the retrieved users by. May be a single value, - * an array of values, or a multi-dimensional array with fields as keys - * and orders ('ASC' or 'DESC') as values. Accepted values are'ID', - * 'display_name' (or 'name'), 'user_login' (or 'login'), - * 'user_nicename' (or 'nicename'), 'user_email' (or 'email'), - * 'user_url' (or 'url'), 'user_registered' (or 'registered'), - * 'post_count', 'meta_value', 'meta_value_num', the value of - * `$meta_key`, or an array key of `$meta_query`. To use 'meta_value' - * or 'meta_value_num', `$meta_key` must be also be defined. - * Default 'user_login'. - * @type string $order Designates ascending or descending order of users. Order values - * passed as part of an `$orderby` array take precedence over this - * parameter. Accepts 'ASC', 'DESC'. Default 'ASC'. - * @type int $offset Number of users to offset in retrieved results. Can be used in - * conjunction with pagination. Default 0. - * @type int $number Number of users to limit the query for. Can be used in conjunction - * with pagination. Value -1 (all) is not supported. - * Default empty (all users). - * @type bool $count_total Whether to count the total number of users found. If pagination is not - * needed, setting this to false can improve performance. Default true. - * @type string|array $fields Which fields to return. Single or all fields (string), or array - * of fields. Accepts 'ID', 'display_name', 'login', 'nicename', 'email', - * 'url', 'registered'. Use 'all' for all fields and 'all_with_meta' to - * include meta fields. Default 'all'. - * @type string $who Type of users to query. Accepts 'authors'. Default empty (all users). - * } - */ - public function prepare_query( $query = array() ) { - global $wpdb; - - if ( empty( $this->query_vars ) || ! empty( $query ) ) { - $this->query_limit = null; - $this->query_vars = wp_parse_args( $query, array( - 'blog_id' => $GLOBALS['blog_id'], - 'role' => '', - 'meta_key' => '', - 'meta_value' => '', - 'meta_compare' => '', - 'include' => array(), - 'exclude' => array(), - 'search' => '', - 'search_columns' => array(), - 'orderby' => 'login', - 'order' => 'ASC', - 'offset' => '', - 'number' => '', - 'count_total' => true, - 'fields' => 'all', - 'who' => '' - ) ); - } - - /** - * Fires before the WP_User_Query has been parsed. - * - * The passed WP_User_Query object contains the query variables, not - * yet passed into SQL. - * - * @since 4.0.0 - * - * @param WP_User_Query $this The current WP_User_Query instance, - * passed by reference. - */ - do_action( 'pre_get_users', $this ); - - $qv =& $this->query_vars; - - if ( is_array( $qv['fields'] ) ) { - $qv['fields'] = array_unique( $qv['fields'] ); - - $this->query_fields = array(); - foreach ( $qv['fields'] as $field ) { - $field = 'ID' === $field ? 'ID' : sanitize_key( $field ); - $this->query_fields[] = "$wpdb->users.$field"; - } - $this->query_fields = implode( ',', $this->query_fields ); - } elseif ( 'all' == $qv['fields'] ) { - $this->query_fields = "$wpdb->users.*"; - } else { - $this->query_fields = "$wpdb->users.ID"; - } - - if ( isset( $qv['count_total'] ) && $qv['count_total'] ) - $this->query_fields = 'SQL_CALC_FOUND_ROWS ' . $this->query_fields; - - $this->query_from = "FROM $wpdb->users"; - $this->query_where = "WHERE 1=1"; - - // Parse and sanitize 'include', for use by 'orderby' as well as 'include' below. - if ( ! empty( $qv['include'] ) ) { - $include = wp_parse_id_list( $qv['include'] ); - } else { - $include = false; - } - - $blog_id = 0; - if ( isset( $qv['blog_id'] ) ) { - $blog_id = absint( $qv['blog_id'] ); - } - - if ( isset( $qv['who'] ) && 'authors' == $qv['who'] && $blog_id ) { - $qv['meta_key'] = $wpdb->get_blog_prefix( $blog_id ) . 'user_level'; - $qv['meta_value'] = 0; - $qv['meta_compare'] = '!='; - $qv['blog_id'] = $blog_id = 0; // Prevent extra meta query - } - - // Meta query. - $this->meta_query = new WP_Meta_Query(); - $this->meta_query->parse_query_vars( $qv ); - - $role = ''; - if ( isset( $qv['role'] ) ) { - $role = trim( $qv['role'] ); - } - - if ( $blog_id && ( $role || is_multisite() ) ) { - $cap_meta_query = array(); - $cap_meta_query['key'] = $wpdb->get_blog_prefix( $blog_id ) . 'capabilities'; - - if ( $role ) { - $cap_meta_query['value'] = '"' . $role . '"'; - $cap_meta_query['compare'] = 'like'; - } - - if ( empty( $this->meta_query->queries ) ) { - $this->meta_query->queries = array( $cap_meta_query ); - } elseif ( ! in_array( $cap_meta_query, $this->meta_query->queries, true ) ) { - // Append the cap query to the original queries and reparse the query. - $this->meta_query->queries = array( - 'relation' => 'AND', - array( $this->meta_query->queries, $cap_meta_query ), - ); - } - - $this->meta_query->parse_query_vars( $this->meta_query->queries ); - } - - if ( ! empty( $this->meta_query->queries ) ) { - $clauses = $this->meta_query->get_sql( 'user', $wpdb->users, 'ID', $this ); - $this->query_from .= $clauses['join']; - $this->query_where .= $clauses['where']; - - if ( 'OR' == $this->meta_query->relation ) { - $this->query_fields = 'DISTINCT ' . $this->query_fields; - } - } - - // sorting - $qv['order'] = isset( $qv['order'] ) ? strtoupper( $qv['order'] ) : ''; - $order = $this->parse_order( $qv['order'] ); - - if ( empty( $qv['orderby'] ) ) { - // Default order is by 'user_login'. - $ordersby = array( 'user_login' => $order ); - } else if ( is_array( $qv['orderby'] ) ) { - $ordersby = $qv['orderby']; - } else { - // 'orderby' values may be a comma- or space-separated list. - $ordersby = preg_split( '/[,\s]+/', $qv['orderby'] ); - } - - $orderby_array = array(); - foreach ( $ordersby as $_key => $_value ) { - if ( ! $_value ) { - continue; - } - - if ( is_int( $_key ) ) { - // Integer key means this is a flat array of 'orderby' fields. - $_orderby = $_value; - $_order = $order; - } else { - // Non-integer key means this the key is the field and the value is ASC/DESC. - $_orderby = $_key; - $_order = $_value; - } - - $parsed = $this->parse_orderby( $_orderby ); - - if ( ! $parsed ) { - continue; - } - - $orderby_array[] = $parsed . ' ' . $this->parse_order( $_order ); - } - - // If no valid clauses were found, order by user_login. - if ( empty( $orderby_array ) ) { - $orderby_array[] = "user_login $order"; - } - - $this->query_orderby = 'ORDER BY ' . implode( ', ', $orderby_array ); - - // limit - if ( isset( $qv['number'] ) && $qv['number'] ) { - if ( $qv['offset'] ) - $this->query_limit = $wpdb->prepare("LIMIT %d, %d", $qv['offset'], $qv['number']); - else - $this->query_limit = $wpdb->prepare("LIMIT %d", $qv['number']); - } - - $search = ''; - if ( isset( $qv['search'] ) ) - $search = trim( $qv['search'] ); - - if ( $search ) { - $leading_wild = ( ltrim($search, '*') != $search ); - $trailing_wild = ( rtrim($search, '*') != $search ); - if ( $leading_wild && $trailing_wild ) - $wild = 'both'; - elseif ( $leading_wild ) - $wild = 'leading'; - elseif ( $trailing_wild ) - $wild = 'trailing'; - else - $wild = false; - if ( $wild ) - $search = trim($search, '*'); - - $search_columns = array(); - if ( $qv['search_columns'] ) - $search_columns = array_intersect( $qv['search_columns'], array( 'ID', 'user_login', 'user_email', 'user_url', 'user_nicename' ) ); - if ( ! $search_columns ) { - if ( false !== strpos( $search, '@') ) - $search_columns = array('user_email'); - elseif ( is_numeric($search) ) - $search_columns = array('user_login', 'ID'); - elseif ( preg_match('|^https?://|', $search) && ! ( is_multisite() && wp_is_large_network( 'users' ) ) ) - $search_columns = array('user_url'); - else - $search_columns = array('user_login', 'user_nicename'); - } - - /** - * Filter the columns to search in a WP_User_Query search. - * - * The default columns depend on the search term, and include 'user_email', - * 'user_login', 'ID', 'user_url', and 'user_nicename'. - * - * @since 3.6.0 - * - * @param array $search_columns Array of column names to be searched. - * @param string $search Text being searched. - * @param WP_User_Query $this The current WP_User_Query instance. - */ - $search_columns = apply_filters( 'user_search_columns', $search_columns, $search, $this ); - - $this->query_where .= $this->get_search_sql( $search, $search_columns, $wild ); - } - - if ( ! empty( $include ) ) { - // Sanitized earlier. - $ids = implode( ',', $include ); - $this->query_where .= " AND $wpdb->users.ID IN ($ids)"; - } elseif ( ! empty( $qv['exclude'] ) ) { - $ids = implode( ',', wp_parse_id_list( $qv['exclude'] ) ); - $this->query_where .= " AND $wpdb->users.ID NOT IN ($ids)"; - } - - // Date queries are allowed for the user_registered field. - if ( ! empty( $qv['date_query'] ) && is_array( $qv['date_query'] ) ) { - $date_query = new WP_Date_Query( $qv['date_query'], 'user_registered' ); - $this->query_where .= $date_query->get_sql(); - } - - /** - * Fires after the WP_User_Query has been parsed, and before - * the query is executed. - * - * The passed WP_User_Query object contains SQL parts formed - * from parsing the given query. - * - * @since 3.1.0 - * - * @param WP_User_Query $this The current WP_User_Query instance, - * passed by reference. - */ - do_action_ref_array( 'pre_user_query', array( &$this ) ); - } - - /** - * Execute the query, with the current variables. - * - * @since 3.1.0 - * - * @global wpdb $wpdb WordPress database object for queries. - */ - public function query() { - global $wpdb; - - $qv =& $this->query_vars; - - $query = "SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit"; - - if ( is_array( $qv['fields'] ) || 'all' == $qv['fields'] ) { - $this->results = $wpdb->get_results( $query ); - } else { - $this->results = $wpdb->get_col( $query ); - } - - /** - * Filter SELECT FOUND_ROWS() query for the current WP_User_Query instance. - * - * @since 3.2.0 - * - * @global wpdb $wpdb WordPress database abstraction object. - * - * @param string $sql The SELECT FOUND_ROWS() query for the current WP_User_Query. - */ - if ( isset( $qv['count_total'] ) && $qv['count_total'] ) - $this->total_users = $wpdb->get_var( apply_filters( 'found_users_query', 'SELECT FOUND_ROWS()' ) ); - - if ( !$this->results ) - return; - - if ( 'all_with_meta' == $qv['fields'] ) { - cache_users( $this->results ); - - $r = array(); - foreach ( $this->results as $userid ) - $r[ $userid ] = new WP_User( $userid, '', $qv['blog_id'] ); - - $this->results = $r; - } elseif ( 'all' == $qv['fields'] ) { - foreach ( $this->results as $key => $user ) { - $this->results[ $key ] = new WP_User( $user, '', $qv['blog_id'] ); - } - } - } - - /** - * Retrieve query variable. - * - * @since 3.5.0 - * @access public - * - * @param string $query_var Query variable key. - * @return mixed - */ - public function get( $query_var ) { - if ( isset( $this->query_vars[$query_var] ) ) - return $this->query_vars[$query_var]; - - return null; - } - - /** - * Set query variable. - * - * @since 3.5.0 - * @access public - * - * @param string $query_var Query variable key. - * @param mixed $value Query variable value. - */ - public function set( $query_var, $value ) { - $this->query_vars[$query_var] = $value; - } - - /** - * Used internally to generate an SQL string for searching across multiple columns - * - * @access protected - * @since 3.1.0 - * - * @param string $string - * @param array $cols - * @param bool $wild Whether to allow wildcard searches. Default is false for Network Admin, true for - * single site. Single site allows leading and trailing wildcards, Network Admin only trailing. - * @return string - */ - protected function get_search_sql( $string, $cols, $wild = false ) { - global $wpdb; - - $searches = array(); - $leading_wild = ( 'leading' == $wild || 'both' == $wild ) ? '%' : ''; - $trailing_wild = ( 'trailing' == $wild || 'both' == $wild ) ? '%' : ''; - $like = $leading_wild . $wpdb->esc_like( $string ) . $trailing_wild; - - foreach ( $cols as $col ) { - if ( 'ID' == $col ) { - $searches[] = $wpdb->prepare( "$col = %s", $string ); - } else { - $searches[] = $wpdb->prepare( "$col LIKE %s", $like ); - } - } - - return ' AND (' . implode(' OR ', $searches) . ')'; - } - - /** - * Return the list of users. - * - * @since 3.1.0 - * @access public - * - * @return array Array of results. - */ - public function get_results() { - return $this->results; - } - - /** - * Return the total number of users for the current query. - * - * @since 3.1.0 - * @access public - * - * @return int Number of total users. - */ - public function get_total() { - return $this->total_users; - } - - /** - * Parse and sanitize 'orderby' keys passed to the user query. - * - * @since 4.2.0 - * @access protected - * - * @global wpdb $wpdb WordPress database abstraction object. - * - * @param string $orderby Alias for the field to order by. - * @return string|bool Value to used in the ORDER clause, if `$orderby` is valid. False otherwise. - */ - protected function parse_orderby( $orderby ) { - global $wpdb; - - $meta_query_clauses = $this->meta_query->get_clauses(); - - $_orderby = ''; - if ( in_array( $orderby, array( 'login', 'nicename', 'email', 'url', 'registered' ) ) ) { - $_orderby = 'user_' . $orderby; - } elseif ( in_array( $orderby, array( 'user_login', 'user_nicename', 'user_email', 'user_url', 'user_registered' ) ) ) { - $_orderby = $orderby; - } elseif ( 'name' == $orderby || 'display_name' == $orderby ) { - $_orderby = 'display_name'; - } elseif ( 'post_count' == $orderby ) { - // todo: avoid the JOIN - $where = get_posts_by_author_sql( 'post' ); - $this->query_from .= " LEFT OUTER JOIN ( - SELECT post_author, COUNT(*) as post_count - FROM $wpdb->posts - $where - GROUP BY post_author - ) p ON ({$wpdb->users}.ID = p.post_author) - "; - $_orderby = 'post_count'; - } elseif ( 'ID' == $orderby || 'id' == $orderby ) { - $_orderby = 'ID'; - } elseif ( 'meta_value' == $orderby || $this->get( 'meta_key' ) == $orderby ) { - $_orderby = "$wpdb->usermeta.meta_value"; - } elseif ( 'meta_value_num' == $orderby ) { - $_orderby = "$wpdb->usermeta.meta_value+0"; - } elseif ( 'include' === $orderby && ! empty( $this->query_vars['include'] ) ) { - $include = wp_parse_id_list( $this->query_vars['include'] ); - $include_sql = implode( ',', $include ); - $_orderby = "FIELD( $wpdb->users.ID, $include_sql )"; - } elseif ( isset( $meta_query_clauses[ $orderby ] ) ) { - $meta_clause = $meta_query_clauses[ $orderby ]; - $_orderby = sprintf( "CAST(%s.meta_value AS %s)", esc_sql( $meta_clause['alias'] ), esc_sql( $meta_clause['cast'] ) ); - } - - return $_orderby; - } - - /** - * Parse an 'order' query variable and cast it to ASC or DESC as necessary. - * - * @since 4.2.0 - * @access protected - * - * @param string $order The 'order' query variable. - * @return string The sanitized 'order' query variable. - */ - protected function parse_order( $order ) { - if ( ! is_string( $order ) || empty( $order ) ) { - return 'DESC'; - } - - if ( 'ASC' === strtoupper( $order ) ) { - return 'ASC'; - } else { - return 'DESC'; - } - } - - /** - * Make private properties readable for backwards compatibility. - * - * @since 4.0.0 - * @access public - * - * @param string $name Property to get. - * @return mixed Property. - */ - public function __get( $name ) { - if ( in_array( $name, $this->compat_fields ) ) { - return $this->$name; - } - } - - /** - * Make private properties settable for backwards compatibility. - * - * @since 4.0.0 - * @access public - * - * @param string $name Property to check if set. - * @param mixed $value Property value. - * @return mixed Newly-set property. - */ - public function __set( $name, $value ) { - if ( in_array( $name, $this->compat_fields ) ) { - return $this->$name = $value; - } - } - - /** - * Make private properties checkable for backwards compatibility. - * - * @since 4.0.0 - * @access public - * - * @param string $name Property to check if set. - * @return bool Whether the property is set. - */ - public function __isset( $name ) { - if ( in_array( $name, $this->compat_fields ) ) { - return isset( $this->$name ); - } - } - - /** - * Make private properties un-settable for backwards compatibility. - * - * @since 4.0.0 - * @access public - * - * @param string $name Property to unset. - */ - public function __unset( $name ) { - if ( in_array( $name, $this->compat_fields ) ) { - unset( $this->$name ); - } - } - - /** - * Make private/protected methods readable for backwards compatibility. - * - * @since 4.0.0 - * @access public - * - * @param callable $name Method to call. - * @param array $arguments Arguments to pass when calling. - * @return mixed|bool Return value of the callback, false otherwise. - */ - public function __call( $name, $arguments ) { - if ( 'get_search_sql' === $name ) { - return call_user_func_array( array( $this, $name ), $arguments ); - } - return false; - } -} - -/** * Retrieve list of users matching criteria. * * @since 3.1.0 * * @see WP_User_Query * - * @param array $args Optional. Arguments to retrieve users. See {@see WP_User_Query::prepare_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. */ @@ -1119,63 +564,70 @@ } /** - * Get the blogs a user belongs to. + * 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 object for queries. + * @global wpdb $wpdb WordPress database abstraction object. * * @param int $user_id User ID - * @param bool $all Whether to retrieve all blogs, or only blogs that are not + * @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 blogs. An empty array if the user doesn't exist - * or belongs to no blogs. + * @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 blogs + // 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() ) { - $blog_id = get_current_blog_id(); - $blogs = array( $blog_id => new stdClass ); - $blogs[ $blog_id ]->userblog_id = $blog_id; - $blogs[ $blog_id ]->blogname = get_option('blogname'); - $blogs[ $blog_id ]->domain = ''; - $blogs[ $blog_id ]->path = ''; - $blogs[ $blog_id ]->site_id = 1; - $blogs[ $blog_id ]->siteurl = get_option('siteurl'); - $blogs[ $blog_id ]->archived = 0; - $blogs[ $blog_id ]->spam = 0; - $blogs[ $blog_id ]->deleted = 0; - return $blogs; + $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; } - $blogs = array(); + $site_ids = array(); if ( isset( $keys[ $wpdb->base_prefix . 'capabilities' ] ) && defined( 'MULTISITE' ) ) { - $blog = get_blog_details( 1 ); - if ( $blog && isset( $blog->domain ) && ( $all || ( ! $blog->archived && ! $blog->spam && ! $blog->deleted ) ) ) { - $blogs[ 1 ] = (object) array( - 'userblog_id' => 1, - 'blogname' => $blog->blogname, - 'domain' => $blog->domain, - 'path' => $blog->path, - 'site_id' => $blog->site_id, - 'siteurl' => $blog->siteurl, - 'archived' => 0, - 'spam' => 0, - 'deleted' => 0 - ); - } + $site_ids[] = 1; unset( $keys[ $wpdb->base_prefix . 'capabilities' ] ); } @@ -1186,76 +638,133 @@ continue; if ( $wpdb->base_prefix && 0 !== strpos( $key, $wpdb->base_prefix ) ) continue; - $blog_id = str_replace( array( $wpdb->base_prefix, '_capabilities' ), '', $key ); - if ( ! is_numeric( $blog_id ) ) + $site_id = str_replace( array( $wpdb->base_prefix, '_capabilities' ), '', $key ); + if ( ! is_numeric( $site_id ) ) continue; - $blog_id = (int) $blog_id; - $blog = get_blog_details( $blog_id ); - if ( $blog && isset( $blog->domain ) && ( $all || ( ! $blog->archived && ! $blog->spam && ! $blog->deleted ) ) ) { - $blogs[ $blog_id ] = (object) array( - 'userblog_id' => $blog_id, - 'blogname' => $blog->blogname, - 'domain' => $blog->domain, - 'path' => $blog->path, - 'site_id' => $blog->site_id, - 'siteurl' => $blog->siteurl, - 'archived' => 0, - 'spam' => 0, - 'deleted' => 0 + $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, ); } } /** - * Filter the list of blogs a user belongs to. + * Filters the list of sites a user belongs to. * - * @since MU + * @since MU (3.0.0) * - * @param array $blogs An array of blog objects belonging to the user. + * @param array $sites An array of site objects belonging to the user. * @param int $user_id User ID. - * @param bool $all Whether the returned blogs array should contain all blogs, including + * @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', $blogs, $user_id, $all ); + 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 1.1 + * @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 ) ) + if ( empty( $user_id ) ) { $user_id = get_current_user_id(); - - if ( empty( $blog_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(); - - $blogs = get_blogs_of_user( $user_id ); - return array_key_exists( $blog_id, $blogs ); + } + + $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; } /** - * Add meta data field to a user. - * - * Post meta data is called "Custom Fields" on the Administration Screens. + * Adds meta data to a user. * * @since 3.0.0 - * @link https://codex.wordpress.org/Function_Reference/add_user_meta * - * @param int $user_id User ID. - * @param string $meta_key Metadata name. - * @param mixed $meta_value Metadata value. - * @param bool $unique Optional, default is false. Whether the same key should not be added. - * @return int|bool Meta ID on success, false on failure. + * @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); @@ -1271,9 +780,9 @@ * @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. + * @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 = '') { @@ -1286,11 +795,10 @@ * @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. + * @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); @@ -1307,10 +815,10 @@ * @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. + * @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 = '') { @@ -1326,34 +834,50 @@ * Using $strategy = 'memory' this is memory-intensive and should handle around 10^5 users, but see WP Bug #12257. * * @since 3.0.0 - * @param string $strategy 'time' or 'memory' + * @since 4.4.0 The number of users with no role is now included in the `none` element. + * @since 4.9.0 The `$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') { - global $wpdb, $wp_roles; +function count_users( $strategy = 'time', $site_id = null ) { + global $wpdb; // Initialize - $id = get_current_blog_id(); - $blog_prefix = $wpdb->get_blog_prefix($id); + if ( ! $site_id ) { + $site_id = get_current_blog_id(); + } + $blog_prefix = $wpdb->get_blog_prefix( $site_id ); $result = array(); if ( 'time' == $strategy ) { - global $wp_roles; - - if ( ! isset( $wp_roles ) ) - $wp_roles = new WP_Roles(); - - $avail_roles = $wp_roles->get_names(); + 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 $wpdb->usermeta WHERE meta_key = '{$blog_prefix}capabilities'", ARRAY_N ); + $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; @@ -1365,20 +889,32 @@ } } + $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(); - - $users_of_blog = $wpdb->get_col( "SELECT meta_value FROM $wpdb->usermeta WHERE meta_key = '{$blog_prefix}capabilities'" ); + $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]++; @@ -1405,13 +941,14 @@ * Used by wp_set_current_user() for back compat. Might be deprecated in the future. * * @since 2.0.4 - * @global string $userdata User description. - * @global string $user_login The user username for logging in - * @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 + * + * @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. */ @@ -1450,12 +987,12 @@ * The available arguments are as follows: * * @since 2.3.0 - * - * @global wpdb $wpdb WordPress database object for queries. + * @since 4.5.0 Added the 'display_name_with_login' value for 'show'. + * @since 4.7.0 Added the `$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. + * 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. @@ -1476,9 +1013,11 @@ * 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 table column to display. If the selected item is empty + * @type string $show User data to display. If the selected item is empty * then the 'user_login' will be displayed in parentheses. - * Accepts user fields. Default 'display_name'. + * 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. @@ -1490,8 +1029,15 @@ * @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|null Null on display. String of HTML content on retrieve. + * @return string String of HTML content. */ function wp_dropdown_users( $args = '' ) { $defaults = array( @@ -1500,20 +1046,44 @@ 'include' => '', 'exclude' => '', 'multi' => 0, 'show' => 'display_name', 'echo' => 1, 'selected' => 0, 'name' => 'user', 'class' => '', 'id' => '', - 'blog_id' => $GLOBALS['blog_id'], 'who' => '', 'include_selected' => false, - 'option_none_value' => -1 + '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 ); - $show = $r['show']; + + $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']; - $query_args = wp_array_slice_assoc( $r, array( 'blog_id', 'include', 'exclude', 'orderby', 'order', 'who' ) ); - $query_args['fields'] = array( 'ID', 'user_login', $show ); + /** + * 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 = ''; @@ -1535,21 +1105,32 @@ $output .= "\t\n"; } - $found_selected = false; - foreach ( (array) $users as $user ) { - $user->ID = (int) $user->ID; - $_selected = selected( $user->ID, $r['selected'], false ); - if ( $_selected ) { - $found_selected = true; + 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'] ); } - $display = ! empty( $user->$show ) ? $user->$show : '('. $user->user_login . ')'; - $output .= "\t\n"; } - if ( $r['include_selected'] && ! $found_selected && ( $r['selected'] > 0 ) ) { - $user = 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 ); - $display = ! empty( $user->$show ) ? $user->$show : '('. $user->user_login . ')'; $output .= "\t\n"; } @@ -1557,7 +1138,7 @@ } /** - * Filter the wp_dropdown_users() HTML output. + * Filters the wp_dropdown_users() HTML output. * * @since 2.3.0 * @@ -1580,11 +1161,11 @@ * * @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 $field The user Object field name. + * @param mixed $value The user Object value. + * @param int $user_id User ID. * @param string $context How to sanitize user fields. Looks for 'raw', 'edit', 'db', 'display', - * 'attribute' and 'js'. + * 'attribute' and 'js'. * @return mixed Sanitized value. */ function sanitize_user_field($field, $value, $user_id, $context) { @@ -1608,7 +1189,7 @@ } else { /** - * Filter a user field value in the 'edit' context. + * Filters a user field value in the 'edit' context. * * The dynamic portion of the hook name, `$field`, refers to the prefixed user * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. @@ -1632,7 +1213,7 @@ } else { /** - * Filter the value of a user field in the 'db' context. + * 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. @@ -1648,11 +1229,11 @@ if ( $prefixed ) { /** This filter is documented in wp-includes/post.php */ - $value = apply_filters( $field, $value, $user_id, $context ); + $value = apply_filters( "{$field}", $value, $user_id, $context ); } else { /** - * Filter the value of a user field in a standard context. + * Filters the value of a user field in a standard context. * * The dynamic portion of the hook name, `$field`, refers to the prefixed user * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. @@ -1683,9 +1264,18 @@ * * @since 3.0.0 * - * @param object $user User object to be cached + * @param WP_User $user User object to be cached + * @return bool|null Returns false on failure. */ -function update_user_caches($user) { +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'); @@ -1696,6 +1286,7 @@ * 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 */ @@ -1710,6 +1301,16 @@ 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 ); } /** @@ -1718,14 +1319,24 @@ * @since 2.0.0 * * @param string $username Username. - * @return null|int The user's ID on success, and null on failure. + * @return int|false The user's ID on success, and false on failure. */ function username_exists( $username ) { - if ( $user = get_user_by('login', $username ) ) { - return $user->ID; + if ( $user = get_user_by( 'login', $username ) ) { + $user_id = $user->ID; } else { - return null; + $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 ); } /** @@ -1734,12 +1345,12 @@ * @since 2.1.0 * * @param string $email Email. - * @return bool|int The user's ID on success, and false on failure. + * @return int|false The user's ID on success, and false on failure. */ function email_exists( $email ) { - if ( $user = get_user_by('email', $email) ) + if ( $user = get_user_by( 'email', $email) ) { return $user->ID; - + } return false; } @@ -1747,15 +1358,17 @@ * 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 ); + $valid = ( $sanitized == $username && ! empty( $sanitized ) ); + /** - * Filter whether the provided username is valid or not. + * Filters whether the provided username is valid or not. * * @since 2.0.1 * @@ -1768,40 +1381,53 @@ /** * Insert a user into the database. * - * Most of the $userdata array fields have filters associated with the values. - * The exceptions are 'rich_editing', 'role', 'jabber', 'aim', 'yim', - * 'user_registered', and 'ID'. The filters have the prefix 'pre_user_' followed - * by the field name. An example using 'description' would have the filter - * called, 'pre_user_description' that can be hooked into. + * Most of the `$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 object for queries. + * @global wpdb $wpdb WordPress database abstraction object. * - * @param array $userdata { + * @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 the user's username. - * @type string $nickname The user's nickname. Default - * Default is the the user's username. - * @type string $first_name The user's first name. For new users, will be used - * to build $display_name if unspecified. - * @type stirng $last_name The user's last name. For new users, will be used - * to build $display_name if unspecified. - * @type string|bool $rich_editing Whether to enable the rich-editor for the user. False - * if not empty. - * @type string $user_registered Date the user registered. Format is 'Y-m-d H:i:s'. - * @type string $role User's role. - * @type string $jabber User's Jabber account username. - * @type string $aim User's AIM account username. - * @type string $yim User's Yahoo! messenger username. + * @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. @@ -1814,13 +1440,19 @@ } 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 = WP_User::get_data_by( 'id', $ID ); + $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 = $userdata['user_pass']; + $user_pass = ! empty( $userdata['user_pass'] ) ? $userdata['user_pass'] : $old_user_data->user_pass; } else { $update = false; // Hash the password @@ -1830,7 +1462,7 @@ $sanitized_user_login = sanitize_user( $userdata['user_login'], true ); /** - * Filter a username after it has been sanitized. + * Filters a username after it has been sanitized. * * This filter is called before the user is created or updated. * @@ -1843,19 +1475,41 @@ //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!' ) ); } - // If a nicename is provided, remove unsafe user characters before - // using it. Otherwise build a nicename from the user_login. + /** + * 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 = $user_login; + $user_nicename = mb_substr( $user_login, 0, 50 ); } $user_nicename = sanitize_title( $user_nicename ); @@ -1864,7 +1518,7 @@ $meta = array(); /** - * Filter a user's nicename before the user is created or updated. + * Filters a user's nicename before the user is created or updated. * * @since 2.0.3 * @@ -1875,7 +1529,7 @@ $raw_user_url = empty( $userdata['user_url'] ) ? '' : $userdata['user_url']; /** - * Filter a user's URL before the user is created or updated. + * Filters a user's URL before the user is created or updated. * * @since 2.0.3 * @@ -1886,7 +1540,7 @@ $raw_user_email = empty( $userdata['user_email'] ) ? '' : $userdata['user_email']; /** - * Filter a user's email before the user is created or updated. + * Filters a user's email before the user is created or updated. * * @since 2.0.3 * @@ -1899,7 +1553,7 @@ * check if current email and new email are the same, or not, and check `email_exists` * accordingly. */ - if ( ( ! $update || ( ! empty( $old_user_data ) && $user_email !== $old_user_data->user_email ) ) + if ( ( ! $update || ( ! empty( $old_user_data ) && 0 !== strcasecmp( $user_email, $old_user_data->user_email ) ) ) && ! defined( 'WP_IMPORTING' ) && email_exists( $user_email ) ) { @@ -1908,7 +1562,7 @@ $nickname = empty( $userdata['nickname'] ) ? $user_login : $userdata['nickname']; /** - * Filter a user's nickname before the user is created or updated. + * Filters a user's nickname before the user is created or updated. * * @since 2.0.3 * @@ -1919,7 +1573,7 @@ $first_name = empty( $userdata['first_name'] ) ? '' : $userdata['first_name']; /** - * Filter a user's first name before the user is created or updated. + * Filters a user's first name before the user is created or updated. * * @since 2.0.3 * @@ -1930,7 +1584,7 @@ $last_name = empty( $userdata['last_name'] ) ? '' : $userdata['last_name']; /** - * Filter a user's last name before the user is created or updated. + * Filters a user's last name before the user is created or updated. * * @since 2.0.3 * @@ -1956,7 +1610,7 @@ } /** - * Filter a user's display name before the user is created or updated. + * Filters a user's display name before the user is created or updated. * * @since 2.0.3 * @@ -1967,7 +1621,7 @@ $description = empty( $userdata['description'] ) ? '' : $userdata['description']; /** - * Filter a user's description before the user is created or updated. + * Filters a user's description before the user is created or updated. * * @since 2.0.3 * @@ -1977,7 +1631,9 @@ $meta['rich_editing'] = empty( $userdata['rich_editing'] ) ? 'true' : $userdata['rich_editing']; - $meta['comment_shortcuts'] = empty( $userdata['comment_shortcuts'] ) ? 'false' : $userdata['comment_shortcuts']; + $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 ); @@ -1988,12 +1644,16 @@ $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) { - $alt_user_nicename = $user_nicename . "-$suffix"; + // 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++; } @@ -2003,6 +1663,34 @@ $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'] = ''; @@ -2010,12 +1698,41 @@ $wpdb->update( $wpdb->users, $data, compact( 'ID' ) ); $user_id = (int) $ID; } else { - $wpdb->insert( $wpdb->users, $data + compact( 'user_login' ) ); + $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 ); @@ -2041,8 +1758,8 @@ * * @since 2.0.0 * - * @param int $user_id User ID. - * @param object $old_user_data Object containing user's data prior to update. + * @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 { @@ -2072,7 +1789,7 @@ * * @see wp_insert_user() For what fields can be set in $userdata. * - * @param mixed $userdata An array of user data or a user object of type stdClass or WP_User. + * @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) { @@ -2103,17 +1820,175 @@ // Escape data pulled from DB. $user = add_magic_quotes( $user ); - // If password is changing, hash it now. - if ( ! empty($userdata['user_pass']) ) { + 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']); + $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, $userdata ); } - wp_cache_delete($user[ 'user_email' ], 'useremail'); + 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); + $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(); @@ -2139,7 +2014,7 @@ * 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 {@see wp_insert_user()} to specify more information. + * 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 @@ -2147,7 +2022,8 @@ * @param string $username The user's username. * @param string $password The user's password. * @param string $email Optional. The user's email. Default empty. - * @return int The new user's ID. + * @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not + * be created. */ function wp_create_user($username, $password, $email = '') { $user_login = wp_slash( $username ); @@ -2159,16 +2035,19 @@ } /** - * Return a list of meta keys that wp_insert_user() is supposed to set. + * 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 + * @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', 'comment_shortcuts', 'admin_color', 'use_ssl', 'show_admin_bar_front' ); + $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 ) ) ); } @@ -2193,7 +2072,7 @@ } /** - * Filter the user contact methods. + * Filters the user contact methods. * * @since 2.9.0 * @@ -2206,8 +2085,13 @@ /** * 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 ); @@ -2221,10 +2105,10 @@ * @return string The password hint text. */ function wp_get_password_hint() { - $hint = __( 'Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ & ).' ); + $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 ! " ? $ % ^ & ).' ); /** - * Filter the text describing the site's password complexity policy. + * Filters the text describing the site's password complexity policy. * * @since 4.1.0 * @@ -2234,6 +2118,90 @@ } /** + * 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 @@ -2241,6 +2209,8 @@ * 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. * @@ -2268,18 +2238,46 @@ $wp_hasher = new PasswordHash( 8, true ); } - if ( $wp_hasher->CheckPassword( $key, $row->user_activation_key ) ) + /** + * 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 ); - - if ( $key === $row->user_activation_key ) { + } 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; /** - * Filter the return value of check_password_reset_key() when an - * old-style key is used (plain-text key was stored in the database). + * Filters the return value of check_password_reset_key() when an + * old-style key is used. * - * @since 3.7.0 + * @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. @@ -2294,7 +2292,9 @@ /** * Handles resetting the user's password. * - * @param object $user The user + * @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 ) { @@ -2311,12 +2311,22 @@ wp_set_password( $new_pass, $user->ID ); update_user_option( $user->ID, 'default_password_nag', false, true ); - wp_password_change_notification( $user ); + /** + * 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. @@ -2326,7 +2336,7 @@ $sanitized_user_login = sanitize_user( $user_login ); /** - * Filter the email address of a user being registered. + * Filters the email address of a user being registered. * * @since 2.1.0 * @@ -2342,11 +2352,18 @@ $sanitized_user_login = ''; } elseif ( username_exists( $sanitized_user_login ) ) { $errors->add( 'username_exists', __( 'ERROR: 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', __( 'ERROR: Sorry, that username is not allowed.' ) ); + } } - // Check the e-mail address + // Check the email address if ( $user_email == '' ) { - $errors->add( 'empty_email', __( 'ERROR: Please type your e-mail address.' ) ); + $errors->add( 'empty_email', __( 'ERROR: Please type your email address.' ) ); } elseif ( ! is_email( $user_email ) ) { $errors->add( 'invalid_email', __( 'ERROR: The email address isn’t correct.' ) ); $user_email = ''; @@ -2368,7 +2385,7 @@ do_action( 'register_post', $sanitized_user_login, $user_email, $errors ); /** - * Filter the errors encountered when a new user is being registered. + * 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, @@ -2397,12 +2414,37 @@ update_user_option( $user_id, 'default_password_nag', true, true ); //Set up the Password change nag. - wp_new_user_notification( $user_id, $user_pass ); + /** + * 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 @@ -2460,3 +2502,1101 @@ $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', __( "ERROR: 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', __( "ERROR: 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( 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 ); + + wp_mail( $_POST['email'], sprintf( __( '[%s] New Email Address' ), $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 + */ +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 '

' . sprintf( __( 'Your email address has not been updated yet. Please check your inbox at %s for a confirmation email.' ), '' . esc_html( $email['newemail'] ) . '' ) . '

'; + } +} + +/** + * Get all user privacy request types. + * + * @since 4.9.6 + * @access private + * + * @return array 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 + * + * @param string $email_address The users email address. + * @return array An array of personal data. + */ +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_prop_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_prop_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, + ); + } + } + + $data_to_export[] = array( + 'group_id' => 'user', + 'group_label' => __( 'User' ), + 'item_id' => "user-{$user->ID}", + 'data' => $user_data_to_export, + ); + + return array( + 'data' => $data_to_export, + 'done' => true, + ); +} + +/** + * Update 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_data = wp_get_user_request_data( $request_id ); + + if ( ! $request_data ) { + return; + } + + if ( ! in_array( $request_data->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', + ) ); +} + +/** + * Notify 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_data = wp_get_user_request_data( $request_id ); + + if ( ! is_a( $request_data, 'WP_User_Request' ) || 'request-confirmed' !== $request_data->status ) { + return; + } + + $already_notified = (bool) get_post_meta( $request_id, '_wp_admin_notified', true ); + + if ( $already_notified ) { + return; + } + + $manage_url = add_query_arg( 'page', $request_data->action_name, admin_url( 'tools.php' ) ); + $action_description = wp_user_request_action_description( $request_data->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_data The request that is initiating the notification. + */ + $admin_email = apply_filters( 'user_request_confirmed_email_to', get_site_option( 'admin_email' ), $request_data ); + + $email_data = array( + 'request' => $request_data, + 'user_email' => $request_data->email, + 'description' => $action_description, + 'manage_url' => $manage_url, + 'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), + 'siteurl' => home_url(), + 'admin_email' => $admin_email, + ); + + /* translators: Do not translate SITENAME, USER_EMAIL, DESCRIPTION, MANAGE_URL, SITEURL; those are placeholders. */ + $email_text = __( + '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 an 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 + * + * @param string $email_text 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 $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_confirmed_action_email_content', $email_text, $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###', esc_url_raw( $email_data['manage_url'] ), $content ); + $content = str_replace( '###SITEURL###', esc_url_raw( $email_data['siteurl'] ), $content ); + + $subject = sprintf( + /* translators: 1: Site name. 2: Name of the confirmed action. */ + __( '[%1$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 ); + + $email_sent = wp_mail( $email_data['admin_email'], $subject, $content ); + + if ( $email_sent ) { + update_post_meta( $request_id, '_wp_admin_notified', true ); + } +} + +/** + * Notify 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_data = wp_get_user_request_data( $request_id ); + + if ( ! is_a( $request_data, 'WP_User_Request' ) || 'request-completed' !== $request_data->status ) { + return; + } + + $already_notified = (bool) get_post_meta( $request_id, '_wp_user_notified', true ); + + if ( $already_notified ) { + return; + } + + /** + * 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_data The request that is initiating the notification. + */ + $user_email = apply_filters( 'user_erasure_fulfillment_email_to', $request_data->email, $request_data ); + + $email_data = array( + 'request' => $request_data, + '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: %s: Site name. */ + __( '[%s] Erasure Request Fulfilled' ), + $email_data['sitename'] + ); + + /** + * Filters the subject of the email sent when an erasure request is completed. + * + * @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 $message_recipient The address that the email will be sent to. Defaults + * to the value of `$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_complete_email_subject', $subject, $email_data['sitename'], $email_data ); + + if ( empty( $email_data['privacy_policy_url'] ) ) { + /* translators: Do not translate SITENAME, SITEURL; those are placeholders. */ + $email_text = __( + '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###' + ); + } else { + /* translators: Do not translate SITENAME, SITEURL, PRIVACY_POLICY_URL; those are placeholders. */ + $email_text = __( + '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 a 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 + * + * @param string $email_text 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 $message_recipient The address that the email will be sent to. Defaults + * to the value of `$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_confirmed_action_email_content', $email_text, $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###', esc_url_raw( $email_data['siteurl'] ), $content ); + + $email_sent = wp_mail( $user_email, $subject, $content ); + + if ( $email_sent ) { + update_post_meta( $request_id, '_wp_user_notified', true ); + } +} + +/** + * Return request confirmation message HTML. + * + * @since 4.9.6 + * @access private + * + * @param int $request_id The request ID being confirmed. + * @return string $message The confirmation message. + */ +function _wp_privacy_account_request_confirmed_message( $request_id ) { + $request = wp_get_user_request_data( $request_id ); + + $message = '

' . __( 'Action has been confirmed.' ) . '

'; + $message .= '

' . __( 'The site administrator has been notified and will fulfill your request as soon as possible.' ) . '

'; + + if ( $request && in_array( $request->action_name, _wp_privacy_action_request_types(), true ) ) { + if ( 'export_personal_data' === $request->action_name ) { + $message = '

' . __( 'Thanks for confirming your export request.' ) . '

'; + $message .= '

' . __( 'The site administrator has been notified. You will receive a link to download your export via email when they fulfill your request.' ) . '

'; + } elseif ( 'remove_personal_data' === $request->action_name ) { + $message = '

' . __( 'Thanks for confirming your erasure request.' ) . '

'; + $message .= '

' . __( 'The site administrator has been notified. You will receive an email confirmation when they erase your data.' ) . '

'; + } + } + + /** + * 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; +} + +/** + * Create and log 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 + * + * @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. + * @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() ) { + $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 ( ! $action_name ) { + return new WP_Error( 'invalid_action', __( 'Invalid action name.' ) ); + } + + $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' => 'any', + 'fields' => 'ids', + ) ); + + if ( $requests_query->found_posts ) { + return new WP_Error( 'duplicate_request', __( 'A 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-pending', + 'post_type' => 'user_request', + 'post_date' => current_time( 'mysql', false ), + 'post_date_gmt' => current_time( 'mysql', true ), + ), true ); + + return $request_id; +} + +/** + * Get 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 WP_Error|bool Will return true/false based on the success of sending the email, or a WP_Error object. + */ +function wp_send_user_request( $request_id ) { + $request_id = absint( $request_id ); + $request = wp_get_user_request_data( $request_id ); + + if ( ! $request ) { + return new WP_Error( 'user_request_error', __( 'Invalid request.' ) ); + } + + $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: Do not translate DESCRIPTION, CONFIRM_URL, SITENAME, SITEURL: those are placeholders. */ + $email_text = __( + '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 $email_text 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', $email_text, $email_data ); + + $content = str_replace( '###DESCRIPTION###', $email_data['description'], $content ); + $content = str_replace( '###CONFIRM_URL###', esc_url_raw( $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###', esc_url_raw( $email_data['siteurl'] ), $content ); + + /* translators: Privacy data request subject. 1: Site name, 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 ); + + return wp_mail( $email_data['email'], $subject, $content ); +} + +/** + * 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 ), + 'post_modified' => current_time( 'mysql', false ), + 'post_modified_gmt' => current_time( 'mysql', true ), + ) ); + + return $key; +} + +/** + * Validate 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 bool|WP_Error WP_Error on failure, true on success. + */ +function wp_validate_user_request_key( $request_id, $key ) { + global $wp_hasher; + + $request_id = absint( $request_id ); + $request = wp_get_user_request_data( $request_id ); + + if ( ! $request ) { + return new WP_Error( 'user_request_error', __( 'Invalid request.' ) ); + } + + if ( ! in_array( $request->status, array( 'request-pending', 'request-failed' ), true ) ) { + return __( 'This link has expired.' ); + } + + if ( empty( $key ) ) { + 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 ); + } + + $key_request_time = $request->modified_timestamp; + $saved_key = $request->confirm_key; + + if ( ! $saved_key ) { + return new WP_Error( 'invalid_key', __( 'Invalid key' ) ); + } + + if ( ! $key_request_time ) { + return new WP_Error( 'invalid_key', __( 'Invalid action' ) ); + } + + /** + * 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', __( 'Invalid key' ) ); + } + + if ( ! $expiration_time || time() > $expiration_time ) { + return new WP_Error( 'expired_key', __( 'The confirmation email has expired.' ) ); + } + + return true; +} + +/** + * Return data about a user request. + * + * @since 4.9.6 + * + * @param int $request_id Request ID to get data about. + * @return WP_User_Request|false + */ +function wp_get_user_request_data( $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 ); +} + +/** + * WP_User_Request class. + * + * Represents user request data loaded from a WP_Post object. + * + * @since 4.9.6 + */ +final class WP_User_Request { + /** + * Request ID. + * + * @var int + */ + public $ID = 0; + + /** + * User ID. + * + * @var int + */ + + public $user_id = 0; + + /** + * User email. + * + * @var int + */ + public $email = ''; + + /** + * Action name. + * + * @var string + */ + public $action_name = ''; + + /** + * Current status. + * + * @var string + */ + public $status = ''; + + /** + * Timestamp this request was created. + * + * @var int|null + */ + public $created_timestamp = null; + + /** + * Timestamp this request was last modified. + * + * @var int|null + */ + public $modified_timestamp = null; + + /** + * Timestamp this request was confirmed. + * + * @var int + */ + public $confirmed_timestamp = null; + + /** + * Timestamp this request was completed. + * + * @var int + */ + public $completed_timestamp = null; + + /** + * Misc data assigned to this request. + * + * @var array + */ + public $request_data = array(); + + /** + * Key used to confirm this request. + * + * @var string + */ + public $confirm_key = ''; + + /** + * Constructor. + * + * @since 4.9.6 + * + * @param WP_Post|object $post Post object. + */ + public function __construct( $post ) { + $this->ID = $post->ID; + $this->user_id = $post->post_author; + $this->email = $post->post_title; + $this->action_name = $post->post_name; + $this->status = $post->post_status; + $this->created_timestamp = strtotime( $post->post_date_gmt ); + $this->modified_timestamp = strtotime( $post->post_modified_gmt ); + $this->confirmed_timestamp = (int) get_post_meta( $post->ID, '_wp_user_request_confirmed_timestamp', true ); + $this->completed_timestamp = (int) get_post_meta( $post->ID, '_wp_user_request_completed_timestamp', true ); + $this->request_data = json_decode( $post->post_content, true ); + $this->confirm_key = $post->post_password; + } +}