/** * WordPress User API * * @package WordPress * @subpackage Users */ /** * Authenticate user with remember capability. * * The credentials is an array that has 'user_login', 'user_password', and * 'remember' indices. If the credentials is not given, then the log in form * will be assumed and used if set. * * The various authentication cookies will be set by this function and will be * set for a longer period depending on if the 'remember' credential is set to * true. * * @since 2.5.0 * * @param array $credentials Optional. User info in order to sign on. * @param bool $secure_cookie Optional. Whether to use secure cookie. * @return WP_User|WP_Error WP_User on success, WP_Error on failure. */ function wp_signon( $credentials = array(), $secure_cookie = '' ) { if ( empty($credentials) ) { if ( ! empty($_POST['log']) ) $credentials['user_login'] = $_POST['log']; if ( ! empty($_POST['pwd']) ) $credentials['user_password'] = $_POST['pwd']; if ( ! empty($_POST['rememberme']) ) $credentials['remember'] = $_POST['rememberme']; } if ( !empty($credentials['remember']) ) $credentials['remember'] = true; else $credentials['remember'] = false; /** * Fires before the user is authenticated. * * The variables passed to the callbacks are passed by reference, * and can be modified by callback functions. * * @since 1.5.1 * * @todo Decide whether to deprecate the wp_authenticate action. * * @param string $user_login Username, passed by reference. * @param string $user_password User password, passed by reference. */ do_action_ref_array( 'wp_authenticate', array( &$credentials['user_login'], &$credentials['user_password'] ) ); if ( '' === $secure_cookie ) $secure_cookie = is_ssl(); /** * Filter whether to use a secure sign-on cookie. * * @since 3.1.0 * * @param bool $secure_cookie Whether to use a secure sign-on cookie. * @param array $credentials { * Array of entered sign-on data. * * @type string $user_login Username. * @type string $user_password Password entered. * @type bool $remember Whether to 'remember' the user. Increases the time * that the cookie will be kept. Default false. * } */ $secure_cookie = apply_filters( 'secure_signon_cookie', $secure_cookie, $credentials ); global $auth_secure_cookie; // XXX ugly hack to pass this to wp_authenticate_cookie $auth_secure_cookie = $secure_cookie; add_filter('authenticate', 'wp_authenticate_cookie', 30, 3); $user = wp_authenticate($credentials['user_login'], $credentials['user_password']); if ( is_wp_error($user) ) { if ( $user->get_error_codes() == array('empty_username', 'empty_password') ) { $user = new WP_Error('', ''); } return $user; } wp_set_auth_cookie($user->ID, $credentials['remember'], $secure_cookie); /** * Fires after the user has successfully logged in. * * @since 1.5.0 * * @param string $user_login Username. * @param WP_User $user WP_User object of the logged-in user. */ do_action( 'wp_login', $user->user_login, $user ); return $user; } /** * Authenticate the user using the username and password. * * @since 2.8.0 * * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null. * @param string $username Username for authentication. * @param string $password Password for authentication. * @return WP_User|WP_Error WP_User on success, WP_Error on failure. */ function wp_authenticate_username_password($user, $username, $password) { if ( is_a( $user, 'WP_User' ) ) { return $user; } if ( empty($username) || empty($password) ) { if ( is_wp_error( $user ) ) return $user; $error = new WP_Error(); if ( empty($username) ) $error->add('empty_username', __('ERROR: The username field is empty.')); if ( empty($password) ) $error->add('empty_password', __('ERROR: The password field is empty.')); return $error; } $user = get_user_by('login', $username); if ( !$user ) return new WP_Error( 'invalid_username', sprintf( __( 'ERROR: Invalid username. Lost your password?' ), wp_lostpassword_url() ) ); /** * Filter whether the given user can be authenticated with the provided $password. * * @since 2.5.0 * * @param WP_User|WP_Error $user WP_User or WP_Error object if a previous * callback failed authentication. * @param string $password Password to check against the user. */ $user = apply_filters( 'wp_authenticate_user', $user, $password ); if ( is_wp_error($user) ) return $user; if ( !wp_check_password($password, $user->user_pass, $user->ID) ) return new WP_Error( 'incorrect_password', sprintf( __( 'ERROR: The password you entered for the username %1$s is incorrect. Lost your password?' ), $username, wp_lostpassword_url() ) ); return $user; } /** * Authenticate the user using the WordPress auth cookie. * * @since 2.8.0 * * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null. * @param string $username Username. If not empty, cancels the cookie authentication. * @param string $password Password. If not empty, cancels the cookie authentication. * @return WP_User|WP_Error WP_User on success, WP_Error on failure. */ function wp_authenticate_cookie($user, $username, $password) { if ( is_a( $user, 'WP_User' ) ) { return $user; } if ( empty($username) && empty($password) ) { $user_id = wp_validate_auth_cookie(); if ( $user_id ) return new WP_User($user_id); global $auth_secure_cookie; if ( $auth_secure_cookie ) $auth_cookie = SECURE_AUTH_COOKIE; else $auth_cookie = AUTH_COOKIE; if ( !empty($_COOKIE[$auth_cookie]) ) return new WP_Error('expired_session', __('Please log in again.')); // If the cookie is not set, be silent. } return $user; } /** * For Multisite blogs, check if the authenticated user has been marked as a * spammer, or if the user's primary blog has been marked as spam. * * @since 3.7.0 * * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null. * @return WP_User|WP_Error WP_User on success, WP_Error if the user is considered a spammer. */ function wp_authenticate_spam_check( $user ) { if ( $user && is_a( $user, 'WP_User' ) && is_multisite() ) { /** * Filter 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 ); if ( $spammed ) return new WP_Error( 'spammer_account', __( 'ERROR: Your account has been marked as a spammer.' ) ); } return $user; } /** * Validate 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. * * @since 3.9.0 * * @param int|bool $user 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. */ function wp_validate_logged_in_cookie( $user_id ) { if ( $user_id ) { return $user_id; } if ( is_blog_admin() || is_network_admin() || empty( $_COOKIE[LOGGED_IN_COOKIE] ) ) { return false; } return wp_validate_auth_cookie( $_COOKIE[LOGGED_IN_COOKIE], 'logged_in' ); } /** * Number of posts user has written. * * @since 3.0.0 * * @global wpdb $wpdb WordPress database object for queries. * * @param int $userid User ID. * @return int Amount of posts user has written. */ function count_user_posts($userid) { global $wpdb; $where = get_posts_by_author_sql('post', true, $userid); $count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts $where" ); /** * Filter the number of posts a user has written. * * @since 2.7.0 * * @param int $count The user's post count. * @param int $userid User ID. */ return apply_filters( 'get_usernumposts', $count, $userid ); } /** * Number of posts written by a list of users. * * @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. * @return array Amount of posts each user has written. */ function count_many_users_posts( $users, $post_type = 'post', $public_only = false ) { global $wpdb; $count = array(); if ( empty( $users ) || ! is_array( $users ) ) return $count; $userlist = implode( ',', array_map( 'absint', $users ) ); $where = get_posts_by_author_sql( $post_type, true, null, $public_only ); $result = $wpdb->get_results( "SELECT post_author, COUNT(*) FROM $wpdb->posts $where AND post_author IN ($userlist) GROUP BY post_author", ARRAY_N ); foreach ( $result as $row ) { $count[ $row[0] ] = $row[1]; } foreach ( $users as $id ) { if ( ! isset( $count[ $id ] ) ) $count[ $id ] = 0; } return $count; } // // User option functions // /** * Get the current user's ID * * @since MU * * @uses wp_get_current_user * * @return int The current user's ID */ function get_current_user_id() { if ( ! function_exists( 'wp_get_current_user' ) ) return 0; $user = wp_get_current_user(); return ( isset( $user->ID ) ? (int) $user->ID : 0 ); } /** * Retrieve user option that can be either per Site or per Network. * * If the user ID is not given, then the current user will be used instead. If * the user ID is given, then the user data will be retrieved. The filter for * the result, will also pass the original option name and finally the user data * object as the third parameter. * * The option will first check for the per site name and then the per Network name. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database object for queries. * * @param string $option User option name. * @param int $user Optional. User ID. * @param bool $deprecated Use get_option() to check for an option in the options table. * @return mixed User option value on success, false on failure. */ function get_user_option( $option, $user = 0, $deprecated = '' ) { global $wpdb; if ( !empty( $deprecated ) ) _deprecated_argument( __FUNCTION__, '3.0' ); if ( empty( $user ) ) $user = get_current_user_id(); if ( ! $user = get_userdata( $user ) ) return false; $prefix = $wpdb->get_blog_prefix(); if ( $user->has_prop( $prefix . $option ) ) // Blog specific $result = $user->get( $prefix . $option ); elseif ( $user->has_prop( $option ) ) // User specific and cross-blog $result = $user->get( $option ); else $result = false; /** * Filter a specific user option value. * * The dynamic portion of the hook name, $option, refers to the user option name. * * @since 2.5.0 * * @param mixed $result Value for the user's option. * @param string $option Name of the option being retrieved. * @param WP_User $user WP_User object of the user whose option is being retrieved. */ return apply_filters( "get_user_option_{$option}", $result, $option, $user ); } /** * Update user option with global blog capability. * * User options are just like user metadata except that they have support for * global blog options. If the 'global' parameter is false, which it is by default * it will prepend the WordPress table prefix to the option name. * * Deletes the user option if $newvalue is empty. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database object for queries. * * @param int $user_id User ID. * @param string $option_name User option name. * @param mixed $newvalue User option value. * @param bool $global Optional. Whether option name is global or blog specific. * Default false (blog specific). * @return int|bool User meta ID if the option didn't exist, true on successful update, * false on failure. */ function update_user_option( $user_id, $option_name, $newvalue, $global = false ) { global $wpdb; if ( !$global ) $option_name = $wpdb->get_blog_prefix() . $option_name; return update_user_meta( $user_id, $option_name, $newvalue ); } /** * Delete user option with global blog capability. * * User options are just like user metadata except that they have support for * global blog options. If the 'global' parameter is false, which it is by default * it will prepend the WordPress table prefix to the option name. * * @since 3.0.0 * * @global wpdb $wpdb WordPress database object for queries. * * @param int $user_id User ID * @param string $option_name User option name. * @param bool $global Optional. Whether option name is global or blog specific. * Default false (blog specific). * @return bool True on success, false on failure. */ function delete_user_option( $user_id, $option_name, $global = false ) { global $wpdb; if ( !$global ) $option_name = $wpdb->get_blog_prefix() . $option_name; return delete_user_meta( $user_id, $option_name ); } /** * WordPress User Query class. * * @since 3.1.0 */ class WP_User_Query { /** * Query vars, after parsing * * @since 3.5.0 * @access public * @var array */ var $query_vars = array(); /** * List of found user ids * * @since 3.1.0 * @access private * @var array */ var $results; /** * Total number of found users for the current query * * @since 3.1.0 * @access private * @var int */ var $total_users = 0; // SQL clauses var $query_fields; var $query_from; var $query_where; var $query_orderby; var $query_limit; /** * PHP5 constructor. * * @since 3.1.0 * * @param string|array $args Optional. The query variables. * @return WP_User_Query */ function __construct( $query = null ) { if ( ! empty( $query ) ) { $this->prepare_query( $query ); $this->query(); } } /** * Prepare the query variables. * * @since 3.1.0 * * @param string|array $args Optional. The query variables. */ 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' => '' ) ); } $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"; // sorting if ( isset( $qv['orderby'] ) ) { if ( in_array( $qv['orderby'], array('nicename', 'email', 'url', 'registered') ) ) { $orderby = 'user_' . $qv['orderby']; } elseif ( in_array( $qv['orderby'], array('user_nicename', 'user_email', 'user_url', 'user_registered') ) ) { $orderby = $qv['orderby']; } elseif ( 'name' == $qv['orderby'] || 'display_name' == $qv['orderby'] ) { $orderby = 'display_name'; } elseif ( 'post_count' == $qv['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' == $qv['orderby'] || 'id' == $qv['orderby'] ) { $orderby = 'ID'; } elseif ( 'meta_value' == $qv['orderby'] ) { $orderby = "$wpdb->usermeta.meta_value"; } else { $orderby = 'user_login'; } } if ( empty( $orderby ) ) $orderby = 'user_login'; $qv['order'] = isset( $qv['order'] ) ? strtoupper( $qv['order'] ) : ''; if ( 'ASC' == $qv['order'] ) $order = 'ASC'; else $order = 'DESC'; $this->query_orderby = "ORDER BY $orderby $order"; // 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 ); } $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 } $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( $qv['meta_query'] ) || ! in_array( $cap_meta_query, $qv['meta_query'], true ) ) { $qv['meta_query'][] = $cap_meta_query; } } $meta_query = new WP_Meta_Query(); $meta_query->parse_query_vars( $qv ); if ( !empty( $meta_query->queries ) ) { $clauses = $meta_query->get_sql( 'user', $wpdb->users, 'ID', $this ); $this->query_from .= $clauses['join']; $this->query_where .= $clauses['where']; if ( 'OR' == $meta_query->relation ) $this->query_fields = 'DISTINCT ' . $this->query_fields; } if ( ! empty( $qv['include'] ) ) { $ids = implode( ',', wp_parse_id_list( $qv['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)"; } /** * 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. */ 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 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 ); } } } /** * Retrieve query variable. * * @since 3.5.0 * @access public * * @param string $query_var Query variable key. * @return mixed */ 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. */ 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 */ function get_search_sql( $string, $cols, $wild = false ) { $string = esc_sql( $string ); $searches = array(); $leading_wild = ( 'leading' == $wild || 'both' == $wild ) ? '%' : ''; $trailing_wild = ( 'trailing' == $wild || 'both' == $wild ) ? '%' : ''; foreach ( $cols as $col ) { if ( 'ID' == $col ) $searches[] = "$col = '$string'"; else $searches[] = "$col LIKE '$leading_wild" . like_escape($string) . "$trailing_wild'"; } return ' AND (' . implode(' OR ', $searches) . ')'; } /** * Return the list of users. * * @since 3.1.0 * @access public * * @return array Array of results. */ function get_results() { return $this->results; } /** * Return the total number of users for the current query. * * @since 3.1.0 * @access public * * @return array Array of total users. */ function get_total() { return $this->total_users; } } /** * Retrieve list of users matching criteria. * * @since 3.1.0 * * @uses WP_User_Query See for default arguments and information. * * @param array $args Optional. Array of arguments. * @return array List of users. */ function get_users( $args = array() ) { $args = wp_parse_args( $args ); $args['count_total'] = false; $user_search = new WP_User_Query($args); return (array) $user_search->get_results(); } /** * Get the blogs a user belongs to. * * @since 3.0.0 * * @global wpdb $wpdb WordPress database object for queries. * * @param int $user_id User ID * @param bool $all Whether to retrieve all blogs, or only blogs 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. */ function get_blogs_of_user( $user_id, $all = false ) { global $wpdb; $user_id = (int) $user_id; // Logged out users can't have blogs if ( empty( $user_id ) ) return array(); $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; } $blogs = 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 ); } unset( $keys[ $wpdb->base_prefix . 'capabilities' ] ); } $keys = array_keys( $keys ); foreach ( $keys as $key ) { if ( 'capabilities' !== substr( $key, -12 ) ) continue; if ( $wpdb->base_prefix && 0 !== strpos( $key, $wpdb->base_prefix ) ) continue; $blog_id = str_replace( array( $wpdb->base_prefix, '_capabilities' ), '', $key ); if ( ! is_numeric( $blog_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 ); } } /** * Filter the list of blogs a user belongs to. * * @since MU * * @param array $blogs An array of blog objects belonging to the user. * @param int $user_id User ID. * @param bool $all Whether the returned blogs array should contain all blogs, including * those marked 'deleted', 'archived', or 'spam'. Default false. */ return apply_filters( 'get_blogs_of_user', $blogs, $user_id, $all ); } /** * Find out whether a user is a member of a given blog. * * @since MU 1.1 * @uses get_blogs_of_user() * * @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 ) { $user_id = (int) $user_id; $blog_id = (int) $blog_id; if ( empty( $user_id ) ) $user_id = get_current_user_id(); if ( empty( $blog_id ) ) $blog_id = get_current_blog_id(); $blogs = get_blogs_of_user( $user_id ); return array_key_exists( $blog_id, $blogs ); } /** * Add meta data field to a user. * * Post meta data is called "Custom Fields" on the Administration Screens. * * @since 3.0.0 * @uses add_metadata() * @link http://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 $unique Optional, default is false. Whether the same key should not be added. * @return int|bool Meta ID on success, false on failure. */ function add_user_meta($user_id, $meta_key, $meta_value, $unique = false) { return add_metadata('user', $user_id, $meta_key, $meta_value, $unique); } /** * Remove metadata matching criteria from a user. * * You can match based on the key, or key and value. Removing based on key and * value, will keep from removing duplicate metadata with the same key. It also * allows removing all metadata matching key, if needed. * * @since 3.0.0 * @uses delete_metadata() * @link http://codex.wordpress.org/Function_Reference/delete_user_meta * * @param int $user_id user ID * @param string $meta_key Metadata name. * @param mixed $meta_value Optional. Metadata value. * @return bool True on success, false on failure. */ function delete_user_meta($user_id, $meta_key, $meta_value = '') { return delete_metadata('user', $user_id, $meta_key, $meta_value); } /** * Retrieve user meta field for a user. * * @since 3.0.0 * @uses get_metadata() * @link http://codex.wordpress.org/Function_Reference/get_user_meta * * @param int $user_id User ID. * @param string $key Optional. The meta key to retrieve. By default, returns data for all keys. * @param bool $single Whether to return a single value. * @return mixed Will be an array if $single is false. Will be value of meta data field if $single * is true. */ function get_user_meta($user_id, $key = '', $single = false) { return get_metadata('user', $user_id, $key, $single); } /** * Update user meta field based on user ID. * * Use the $prev_value parameter to differentiate between meta fields with the * same key and user ID. * * If the meta field for the user does not exist, it will be added. * * @since 3.0.0 * @uses update_metadata * @link http://codex.wordpress.org/Function_Reference/update_user_meta * * @param int $user_id User ID. * @param string $meta_key Metadata key. * @param mixed $meta_value Metadata value. * @param mixed $prev_value Optional. Previous value to check before removing. * @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure. */ function update_user_meta($user_id, $meta_key, $meta_value, $prev_value = '') { return update_metadata('user', $user_id, $meta_key, $meta_value, $prev_value); } /** * Count number of users who have each of the user roles. * * Assumes there are neither duplicated nor orphaned capabilities meta_values. * Assumes role names are unique phrases. Same assumption made by WP_User_Query::prepare_query() * Using $strategy = 'time' this is CPU-intensive and should handle around 10^7 users. * Using $strategy = 'memory' this is memory-intensive and should handle around 10^5 users, but see WP Bug #12257. * * @since 3.0.0 * @param string $strategy 'time' or 'memory' * @return array Includes a grand total and an array of counts indexed by role strings. */ function count_users($strategy = 'time') { global $wpdb, $wp_roles; // Initialize $id = get_current_blog_id(); $blog_prefix = $wpdb->get_blog_prefix($id); $result = array(); if ( 'time' == $strategy ) { global $wp_roles; if ( ! isset( $wp_roles ) ) $wp_roles = new WP_Roles(); $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[] = "COUNT(NULLIF(`meta_value` LIKE '%\"" . like_escape( $this_role ) . "\"%', 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 ); // Run the previous loop again to associate results with role names. $col = 0; $role_counts = array(); foreach ( $avail_roles as $this_role => $name ) { $count = (int) $row[$col++]; if ($count > 0) { $role_counts[$this_role] = $count; } } // 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'" ); foreach ( $users_of_blog as $caps_meta ) { $b_roles = maybe_unserialize($caps_meta); if ( ! is_array( $b_roles ) ) continue; foreach ( $b_roles as $b_role => $val ) { if ( isset($avail_roles[$b_role]) ) { $avail_roles[$b_role]++; } else { $avail_roles[$b_role] = 1; } } } $result['total_users'] = count( $users_of_blog ); $result['avail_roles'] =& $avail_roles; } return $result; } // // Private helper functions // /** * Set up global user vars. * * Used by wp_set_current_user() for back compat. Might be deprecated in the future. * * @since 2.0.4 * @global string $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 * * @param int $for_user_id Optional. User ID to set up global data. */ function setup_userdata($for_user_id = '') { global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_identity; if ( '' == $for_user_id ) $for_user_id = get_current_user_id(); $user = get_userdata( $for_user_id ); if ( ! $user ) { $user_ID = 0; $user_level = 0; $userdata = null; $user_login = $user_email = $user_url = $user_identity = ''; return; } $user_ID = (int) $user->ID; $user_level = (int) $user->user_level; $userdata = $user; $user_login = $user->user_login; $user_email = $user->user_email; $user_url = $user->user_url; $user_identity = $user->display_name; } /** * Create dropdown HTML content of users. * * The content can either be displayed, which it is by default or retrieved by * setting the 'echo' argument. The 'include' and 'exclude' arguments do not * need to be used; all users will be displayed in that case. Only one can be * used, either 'include' or 'exclude', but not both. * * The available arguments are as follows: *
    *
  1. show_option_all - Text to show all and whether HTML option exists.
  2. *
  3. show_option_none - Text for show none and whether HTML option exists.
  4. *
  5. hide_if_only_one_author - Don't create the dropdown if there is only one user.
  6. *
  7. orderby - SQL order by clause for what order the users appear. Default is 'display_name'.
  8. *
  9. order - Default is 'ASC'. Can also be 'DESC'.
  10. *
  11. include - User IDs to include.
  12. *
  13. exclude - User IDs to exclude.
  14. *
  15. multi - Default is 'false'. Whether to skip the ID attribute on the 'select' element. A 'true' value is overridden when id argument is set.
  16. *
  17. show - Default is 'display_name'. User table column to display. If the selected item is empty then the user_login will be displayed in parentheses
  18. *
  19. echo - Default is '1'. Whether to display or retrieve content.
  20. *
  21. selected - Which User ID is selected.
  22. *
  23. include_selected - Always include the selected user ID in the dropdown. Default is false.
  24. *
  25. name - Default is 'user'. Name attribute of select element.
  26. *
  27. id - Default is the value of the 'name' parameter. ID attribute of select element.
  28. *
  29. class - Class attribute of select element.
  30. *
  31. blog_id - ID of blog (Multisite only). Defaults to ID of current blog.
  32. *
  33. who - Which users to query. Currently only 'authors' is supported. Default is all users.
  34. *
* * @since 2.3.0 * * @global wpdb $wpdb WordPress database object for queries. * * @todo Hash-notate arguments array. * * @param string|array $args Optional. Array of user arguments. * @return string|null Null on display. String of HTML content on retrieve. */ function wp_dropdown_users( $args = '' ) { $defaults = array( 'show_option_all' => '', 'show_option_none' => '', 'hide_if_only_one_author' => '', 'orderby' => 'display_name', 'order' => 'ASC', 'include' => '', 'exclude' => '', 'multi' => 0, 'show' => 'display_name', 'echo' => 1, 'selected' => 0, 'name' => 'user', 'class' => '', 'id' => '', 'blog_id' => $GLOBALS['blog_id'], 'who' => '', 'include_selected' => false ); $defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0; $r = wp_parse_args( $args, $defaults ); extract( $r, EXTR_SKIP ); $query_args = wp_array_slice_assoc( $r, array( 'blog_id', 'include', 'exclude', 'orderby', 'order', 'who' ) ); $query_args['fields'] = array( 'ID', 'user_login', $show ); $users = get_users( $query_args ); $output = ''; if ( !empty($users) && ( empty($hide_if_only_one_author) || count($users) > 1 ) ) { $name = esc_attr( $name ); if ( $multi && ! $id ) $id = ''; else $id = $id ? " id='" . esc_attr( $id ) . "'" : " id='$name'"; $output = ""; } /** * Filter the wp_dropdown_users() HTML output. * * @since 2.3.0 * * @param string $output HTML output generated by wp_dropdown_users(). */ $output = apply_filters( 'wp_dropdown_users', $output ); if ( $echo ) echo $output; return $output; } /** * Sanitize user field based on context. * * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The * 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display' * when calling filters. * * @since 2.3.0 * * @param string $field The user Object field name. * @param mixed $value The user Object value. * @param int $user_id user ID. * @param string $context How to sanitize user fields. Looks for 'raw', 'edit', 'db', 'display', * 'attribute' and 'js'. * @return mixed Sanitized value. */ function sanitize_user_field($field, $value, $user_id, $context) { $int_fields = array('ID'); if ( in_array($field, $int_fields) ) $value = (int) $value; if ( 'raw' == $context ) return $value; if ( !is_string($value) && !is_numeric($value) ) return $value; $prefixed = false !== strpos( $field, 'user_' ); if ( 'edit' == $context ) { if ( $prefixed ) { /** This filter is documented in wp-includes/post.php */ $value = apply_filters( "edit_{$field}", $value, $user_id ); } else { /** * Filter a user field value in the 'edit' context. * * The dynamic portion of the hook name, $field, refers to the prefixed user * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. * * @since 2.9.0 * * @param mixed $value Value of the prefixed user field. * @param int $user_id User ID. */ $value = apply_filters( "edit_user_{$field}", $value, $user_id ); } if ( 'description' == $field ) $value = esc_html( $value ); // textarea_escaped? else $value = esc_attr($value); } else if ( 'db' == $context ) { if ( $prefixed ) { /** This filter is documented in wp-includes/post.php */ $value = apply_filters( "pre_{$field}", $value ); } else { /** * Filter the value of a user field in the 'db' context. * * The dynamic portion of the hook name, $field, refers to the prefixed user * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. * * @since 2.9.0 * * @param mixed $value Value of the prefixed user field. */ $value = apply_filters( "pre_user_{$field}", $value ); } } else { // Use display filters by default. if ( $prefixed ) { /** This filter is documented in wp-includes/post.php */ $value = apply_filters( $field, $value, $user_id, $context ); } else { /** * Filter the value of a user field in a standard context. * * The dynamic portion of the hook name, $field, refers to the prefixed user * field being filtered, such as 'user_login', 'user_email', 'first_name', etc. * * @since 2.9.0 * * @param mixed $value The user object value to sanitize. * @param int $user_id User ID. * @param string $context The context to filter within. */ $value = apply_filters( "user_{$field}", $value, $user_id, $context ); } } if ( 'user_url' == $field ) $value = esc_url($value); if ( 'attribute' == $context ) $value = esc_attr($value); else if ( 'js' == $context ) $value = esc_js($value); return $value; } /** * Update all user caches * * @since 3.0.0 * * @param object $user User object to be cached */ function update_user_caches($user) { wp_cache_add($user->ID, $user, 'users'); wp_cache_add($user->user_login, $user->ID, 'userlogins'); wp_cache_add($user->user_email, $user->ID, 'useremail'); wp_cache_add($user->user_nicename, $user->ID, 'userslugs'); } /** * Clean all user caches * * @since 3.0.0 * * @param WP_User|int $user User object or ID to be cleaned from the cache */ function clean_user_cache( $user ) { if ( is_numeric( $user ) ) $user = new WP_User( $user ); if ( ! $user->exists() ) return; wp_cache_delete( $user->ID, 'users' ); wp_cache_delete( $user->user_login, 'userlogins' ); wp_cache_delete( $user->user_email, 'useremail' ); wp_cache_delete( $user->user_nicename, 'userslugs' ); } /** * Checks whether the given username exists. * * @since 2.0.0 * * @param string $username Username. * @return null|int The user's ID on success, and null on failure. */ function username_exists( $username ) { if ( $user = get_user_by('login', $username ) ) { return $user->ID; } else { return null; } } /** * Checks whether the given email exists. * * @since 2.1.0 * * @param string $email Email. * @return bool|int The user's ID on success, and false on failure. */ function email_exists( $email ) { if ( $user = get_user_by('email', $email) ) return $user->ID; return false; } /** * Checks whether an username is valid. * * @since 2.0.1 * @uses apply_filters() Calls 'validate_username' hook on $valid check and $username as parameters * * @param string $username Username. * @return bool Whether username given is valid */ function validate_username( $username ) { $sanitized = sanitize_user( $username, true ); $valid = ( $sanitized == $username ); /** * Filter whether the provided username is valid or not. * * @since 2.0.1 * * @param bool $valid Whether given username is valid. * @param string $username Username to check. */ return apply_filters( 'validate_username', $valid, $username ); } /** * Insert an 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. * * The $userdata array can contain the following fields: * 'ID' - An integer that will be used for updating an existing user. * 'user_pass' - A string that contains the plain text password for the user. * 'user_login' - A string that contains the user's username for logging in. * 'user_nicename' - A string that contains a URL-friendly name for the user. * The default is the user's username. * 'user_url' - A string containing the user's URL for the user's web site. * 'user_email' - A string containing the user's email address. * 'display_name' - A string that will be shown on the site. Defaults to user's * username. It is likely that you will want to change this, for appearance. * 'nickname' - The user's nickname, defaults to the user's username. * 'first_name' - The user's first name. * 'last_name' - The user's last name. * 'description' - A string containing content about the user. * 'rich_editing' - A string for whether to enable the rich editor. False * if not empty. * 'user_registered' - The date the user registered. Format is 'Y-m-d H:i:s'. * 'role' - A string used to set the user's role. * 'jabber' - User's Jabber account. * 'aim' - User's AOL IM account. * 'yim' - User's Yahoo IM account. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database object for queries. * * @todo Hash-notate arguments array. * * @param mixed $userdata An array of user data or a user object of type stdClass or WP_User. * @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not be created. */ function wp_insert_user( $userdata ) { global $wpdb; if ( is_a( $userdata, 'stdClass' ) ) $userdata = get_object_vars( $userdata ); elseif ( is_a( $userdata, 'WP_User' ) ) $userdata = $userdata->to_array(); extract( $userdata, EXTR_SKIP ); // Are we updating or creating? if ( !empty($ID) ) { $ID = (int) $ID; $update = true; $old_user_data = WP_User::get_data_by( 'id', $ID ); } else { $update = false; // Hash the password $user_pass = wp_hash_password($user_pass); } $user_login = sanitize_user($user_login, true); /** * Filter a username after it has been sanitized. * * This filter is called before the user is created or updated. * * @since 2.0.3 * * @param string $user_login Username after it has been sanitized. */ $user_login = apply_filters( 'pre_user_login', $user_login ); //Remove any non-printable chars from the login string to see if we have ended up with an empty username $user_login = trim($user_login); if ( empty($user_login) ) return new WP_Error('empty_user_login', __('Cannot create a user with an empty login name.') ); if ( !$update && username_exists( $user_login ) ) return new WP_Error( 'existing_user_login', __( 'Sorry, that username already exists!' ) ); if ( empty($user_nicename) ) $user_nicename = sanitize_title( $user_login ); /** * Filter a user's nicename before the user is created or updated. * * @since 2.0.3 * * @param string $user_nicename The user's nicename. */ $user_nicename = apply_filters( 'pre_user_nicename', $user_nicename ); if ( empty($user_url) ) $user_url = ''; /** * Filter a user's URL before the user is created or updated. * * @since 2.0.3 * * @param string $user_url The user's URL. */ $user_url = apply_filters( 'pre_user_url', $user_url ); if ( empty($user_email) ) $user_email = ''; /** * Filter a user's email before the user is created or updated. * * @since 2.0.3 * * @param string $user_email The user's email. */ $user_email = apply_filters( 'pre_user_email', $user_email ); if ( !$update && ! defined( 'WP_IMPORTING' ) && email_exists($user_email) ) return new WP_Error( 'existing_user_email', __( 'Sorry, that email address is already used!' ) ); if ( empty($nickname) ) $nickname = $user_login; /** * Filter a user's nickname before the user is created or updated. * * @since 2.0.3 * * @param string $nickname The user's nickname. */ $nickname = apply_filters( 'pre_user_nickname', $nickname ); if ( empty($first_name) ) $first_name = ''; /** * Filter a user's first name before the user is created or updated. * * @since 2.0.3 * * @param string $first_name The user's first name. */ $first_name = apply_filters( 'pre_user_first_name', $first_name ); if ( empty($last_name) ) $last_name = ''; /** * Filter a user's last name before the user is created or updated. * * @since 2.0.3 * * @param string $last_name The user's last name. */ $last_name = apply_filters( 'pre_user_last_name', $last_name ); if ( empty( $display_name ) ) { if ( $update ) $display_name = $user_login; elseif ( $first_name && $last_name ) /* translators: 1: first name, 2: last name */ $display_name = sprintf( _x( '%1$s %2$s', 'Display name based on first name and last name' ), $first_name, $last_name ); elseif ( $first_name ) $display_name = $first_name; elseif ( $last_name ) $display_name = $last_name; else $display_name = $user_login; } /** * Filter a user's display name before the user is created or updated. * * @since 2.0.3 * * @param string $display_name The user's display name. */ $display_name = apply_filters( 'pre_user_display_name', $display_name ); if ( empty($description) ) $description = ''; /** * Filter a user's description before the user is created or updated. * * @since 2.0.3 * * @param string $description The user's description. */ $description = apply_filters( 'pre_user_description', $description ); if ( empty($rich_editing) ) $rich_editing = 'true'; if ( empty($comment_shortcuts) ) $comment_shortcuts = 'false'; if ( empty($admin_color) ) $admin_color = 'fresh'; $admin_color = preg_replace('|[^a-z0-9 _.\-@]|i', '', $admin_color); if ( empty($use_ssl) ) $use_ssl = 0; if ( empty($user_registered) ) $user_registered = gmdate('Y-m-d H:i:s'); if ( empty($show_admin_bar_front) ) $show_admin_bar_front = 'true'; $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_check = $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->users WHERE user_nicename = %s AND user_login != %s LIMIT 1" , $alt_user_nicename, $user_login)); $suffix++; } $user_nicename = $alt_user_nicename; } $data = compact( 'user_pass', 'user_email', 'user_url', 'user_nicename', 'display_name', 'user_registered' ); $data = wp_unslash( $data ); if ( $update ) { $wpdb->update( $wpdb->users, $data, compact( 'ID' ) ); $user_id = (int) $ID; } else { $wpdb->insert( $wpdb->users, $data + compact( 'user_login' ) ); $user_id = (int) $wpdb->insert_id; } $user = new WP_User( $user_id ); foreach ( _get_additional_user_keys( $user ) as $key ) { if ( isset( $$key ) ) update_user_meta( $user_id, $key, $$key ); } if ( isset($role) ) $user->set_role($role); elseif ( !$update ) $user->set_role(get_option('default_role')); wp_cache_delete($user_id, 'users'); wp_cache_delete($user_login, 'userlogins'); if ( $update ) { /** * Fires immediately after an existing user is updated. * * @since 2.0.0 * * @param int $user_id User ID. * @param object $old_user_data Object containing user's data prior to update. */ do_action( 'profile_update', $user_id, $old_user_data ); } else { /** * Fires immediately after a new user is registered. * * @since 1.5.0 * * @param int $user_id User ID. */ do_action( 'user_register', $user_id ); } return $user_id; } /** * Update an user in the database. * * It is possible to update a user's password by specifying the 'user_pass' * value in the $userdata parameter array. * * If current user's password is being updated, then the cookies will be * cleared. * * @since 2.0.0 * * @see wp_insert_user() For what fields can be set in $userdata. * * @param mixed $userdata An array of user data or a user object of type stdClass or WP_User. * @return int|WP_Error The updated user's ID or a WP_Error object if the user could not be updated. */ function wp_update_user($userdata) { if ( is_a( $userdata, 'stdClass' ) ) $userdata = get_object_vars( $userdata ); elseif ( is_a( $userdata, 'WP_User' ) ) $userdata = $userdata->to_array(); $ID = (int) $userdata['ID']; // First, get all of the original fields $user_obj = get_userdata( $ID ); if ( ! $user_obj ) return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) ); $user = $user_obj->to_array(); // Add additional custom fields foreach ( _get_additional_user_keys( $user_obj ) as $key ) { $user[ $key ] = get_user_meta( $ID, $key, true ); } // Escape data pulled from DB. $user = add_magic_quotes( $user ); // If password is changing, hash it now. if ( ! empty($userdata['user_pass']) ) { $plaintext_pass = $userdata['user_pass']; $userdata['user_pass'] = wp_hash_password($userdata['user_pass']); } wp_cache_delete($user[ 'user_email' ], 'useremail'); // Merge old and new fields with new fields overwriting old ones. $userdata = array_merge($user, $userdata); $user_id = wp_insert_user($userdata); // Update the cookies if the password changed. $current_user = wp_get_current_user(); if ( $current_user->ID == $ID ) { if ( isset($plaintext_pass) ) { wp_clear_auth_cookie(); wp_set_auth_cookie($ID); } } return $user_id; } /** * A simpler way of inserting an user into the database. * * Creates a new user with just the username, password, and email. For more * complex user creation use wp_insert_user() to specify more information. * * @since 2.0.0 * @see wp_insert_user() More complete way to create a new user * * @param string $username The user's username. * @param string $password The user's password. * @param string $email The user's email (optional). * @return int The new user's ID. */ function wp_create_user($username, $password, $email = '') { $user_login = wp_slash( $username ); $user_email = wp_slash( $email ); $user_pass = $password; $userdata = compact('user_login', 'user_email', 'user_pass'); return wp_insert_user($userdata); } /** * Return a list of meta keys that wp_insert_user() is supposed to set. * * @since 3.3.0 * @access private * * @param object $user WP_User instance. * @return array */ 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' ); return array_merge( $keys, array_keys( wp_get_user_contact_methods( $user ) ) ); } /** * Set up the user contact methods. * * Default contact methods were removed in 3.6. A filter dictates contact methods. * * @since 3.7.0 * * @param WP_User $user Optional. WP_User object. * @return array Array of contact methods and their labels. */ function wp_get_user_contact_methods( $user = null ) { $methods = array(); if ( get_site_option( 'initial_db_version' ) < 23588 ) { $methods = array( 'aim' => __( 'AIM' ), 'yim' => __( 'Yahoo IM' ), 'jabber' => __( 'Jabber / Google Talk' ) ); } /** * Filter the user contact methods. * * @since 2.9.0 * * @param array $methods Array of contact methods and their labels. * @param WP_User $user WP_User object. */ return apply_filters( 'user_contactmethods', $methods, $user ); } /** * The old private function for setting up user contact methods. * * @since 2.9.0 * @access private */ function _wp_get_user_contactmethods( $user = null ) { return wp_get_user_contact_methods( $user ); } /** * Retrieves a user row based on password reset key and login * * A key is considered 'expired' if it exactly matches the value of the * user_activation_key field, rather than being matched after going through the * hashing process. This field is now hashed; old values are no longer accepted * but have a different WP_Error code so good user feedback can be provided. * * @global wpdb $wpdb WordPress database object for queries. * * @param string $key Hash to validate sending user's password. * @param string $login The user login. * @return WP_User|WP_Error WP_User object on success, WP_Error object for invalid or expired keys. */ function check_password_reset_key($key, $login) { global $wpdb, $wp_hasher; $key = preg_replace('/[^a-z0-9]/i', '', $key); if ( empty( $key ) || !is_string( $key ) ) return new WP_Error('invalid_key', __('Invalid key')); if ( empty($login) || !is_string($login) ) return new WP_Error('invalid_key', __('Invalid key')); $row = $wpdb->get_row( $wpdb->prepare( "SELECT ID, user_activation_key FROM $wpdb->users WHERE user_login = %s", $login ) ); if ( ! $row ) return new WP_Error('invalid_key', __('Invalid key')); if ( empty( $wp_hasher ) ) { require_once ABSPATH . 'wp-includes/class-phpass.php'; $wp_hasher = new PasswordHash( 8, true ); } if ( $wp_hasher->CheckPassword( $key, $row->user_activation_key ) ) return get_userdata( $row->ID ); if ( $key === $row->user_activation_key ) { $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). * * @since 3.7.0 * * @param WP_Error $return A WP_Error object denoting an expired key. * Return a WP_User object to validate the key. * @param int $user_id The matched user ID. */ return apply_filters( 'password_reset_key_expired', $return, $user_id ); } return new WP_Error( 'invalid_key', __( 'Invalid key' ) ); } /** * Handles resetting the user's password. * * @param object $user The user * @param string $new_pass New password for the user in plaintext */ function reset_password( $user, $new_pass ) { /** * Fires before the user's password is reset. * * @since 1.5.0 * * @param object $user The user. * @param string $new_pass New user password. */ do_action( 'password_reset', $user, $new_pass ); wp_set_password( $new_pass, $user->ID ); update_user_option( $user->ID, 'default_password_nag', false, true ); wp_password_change_notification( $user ); } /** * Handles registering a new user. * * @param string $user_login User's username for logging in * @param string $user_email User's email address to send password and add * @return int|WP_Error Either user's ID or error on failure. */ function register_new_user( $user_login, $user_email ) { $errors = new WP_Error(); $sanitized_user_login = sanitize_user( $user_login ); /** * Filter the email address of a user being registered. * * @since 2.1.0 * * @param string $user_email The email address of the new user. */ $user_email = apply_filters( 'user_registration_email', $user_email ); // Check the username if ( $sanitized_user_login == '' ) { $errors->add( 'empty_username', __( 'ERROR: Please enter a username.' ) ); } elseif ( ! validate_username( $user_login ) ) { $errors->add( 'invalid_username', __( 'ERROR: This username is invalid because it uses illegal characters. Please enter a valid username.' ) ); $sanitized_user_login = ''; } elseif ( username_exists( $sanitized_user_login ) ) { $errors->add( 'username_exists', __( 'ERROR: This username is already registered. Please choose another one.' ) ); } // Check the e-mail address if ( $user_email == '' ) { $errors->add( 'empty_email', __( 'ERROR: Please type your e-mail address.' ) ); } elseif ( ! is_email( $user_email ) ) { $errors->add( 'invalid_email', __( 'ERROR: The email address isn’t correct.' ) ); $user_email = ''; } elseif ( email_exists( $user_email ) ) { $errors->add( 'email_exists', __( 'ERROR: This email is already registered, please choose another one.' ) ); } /** * Fires when submitting registration form data, before the user is created. * * @since 2.1.0 * * @param string $sanitized_user_login The submitted username after being sanitized. * @param string $user_email The submitted email. * @param WP_Error $errors Contains any errors with submitted username and email, * e.g., an empty field, an invalid username or email, * or an existing username or email. */ do_action( 'register_post', $sanitized_user_login, $user_email, $errors ); /** * Filter the errors encountered when a new user is being registered. * * The filtered WP_Error object may, for example, contain errors for an invalid * or existing username or email address. A WP_Error object should always returned, * but may or may not contain errors. * * If any errors are present in $errors, this will abort the user's registration. * * @since 2.1.0 * * @param WP_Error $errors A WP_Error object containing any errors encountered * during registration. * @param string $sanitized_user_login User's username after it has been sanitized. * @param string $user_email User's email. */ $errors = apply_filters( 'registration_errors', $errors, $sanitized_user_login, $user_email ); if ( $errors->get_error_code() ) return $errors; $user_pass = wp_generate_password( 12, false ); $user_id = wp_create_user( $sanitized_user_login, $user_pass, $user_email ); if ( ! $user_id || is_wp_error( $user_id ) ) { $errors->add( 'registerfail', sprintf( __( 'ERROR: Couldn’t register you… please contact the webmaster !' ), get_option( 'admin_email' ) ) ); return $errors; } update_user_option( $user_id, 'default_password_nag', true, true ); //Set up the Password change nag. wp_new_user_notification( $user_id, $user_pass ); return $user_id; } /** * WordPress Category API * * @package WordPress */ /** * Retrieves all category IDs. * * @since 2.0.0 * @link http://codex.wordpress.org/Function_Reference/get_all_category_ids * * @return object List of all of the category IDs. */ function get_all_category_ids() { if ( ! $cat_ids = wp_cache_get( 'all_category_ids', 'category' ) ) { $cat_ids = get_terms( 'category', array('fields' => 'ids', 'get' => 'all') ); wp_cache_add( 'all_category_ids', $cat_ids, 'category' ); } return $cat_ids; } /** * Retrieve list of category objects. * * If you change the type to 'link' in the arguments, then the link categories * will be returned instead. Also all categories will be updated to be backwards * compatible with pre-2.3 plugins and themes. * * @since 2.1.0 * @see get_terms() Type of arguments that can be changed. * @link http://codex.wordpress.org/Function_Reference/get_categories * * @param string|array $args Optional. Change the defaults retrieving categories. * @return array List of categories. */ function get_categories( $args = '' ) { $defaults = array( 'taxonomy' => 'category' ); $args = wp_parse_args( $args, $defaults ); $taxonomy = $args['taxonomy']; /** * Filter the taxonomy used to retrieve terms when calling get_categories(). * * @since 2.7.0 * * @param string $taxonomy Taxonomy to retrieve terms from. * @param array $args An array of arguments. @see get_terms() */ $taxonomy = apply_filters( 'get_categories_taxonomy', $taxonomy, $args ); // Back compat if ( isset($args['type']) && 'link' == $args['type'] ) { _deprecated_argument( __FUNCTION__, '3.0', '' ); $taxonomy = $args['taxonomy'] = 'link_category'; } $categories = (array) get_terms( $taxonomy, $args ); foreach ( array_keys( $categories ) as $k ) _make_cat_compat( $categories[$k] ); return $categories; } /** * Retrieves category data given a category ID or category object. * * If you pass the $category parameter an object, which is assumed to be the * category row object retrieved the database. It will cache the category data. * * If you pass $category an integer of the category ID, then that category will * be retrieved from the database, if it isn't already cached, and pass it back. * * If you look at get_term(), then both types will be passed through several * filters and finally sanitized based on the $filter parameter value. * * The category will converted to maintain backwards compatibility. * * @since 1.5.1 * @uses get_term() Used to get the category data from the taxonomy. * * @param int|object $category Category ID or Category row object * @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N * @param string $filter Optional. Default is raw or no WordPress defined filter will applied. * @return object|array|WP_Error|null Category data in type defined by $output parameter. WP_Error if $category is empty, null if it does not exist. */ function get_category( $category, $output = OBJECT, $filter = 'raw' ) { $category = get_term( $category, 'category', $output, $filter ); if ( is_wp_error( $category ) ) return $category; _make_cat_compat( $category ); return $category; } /** * Retrieve category based on URL containing the category slug. * * Breaks the $category_path parameter up to get the category slug. * * Tries to find the child path and will return it. If it doesn't find a * match, then it will return the first category matching slug, if $full_match, * is set to false. If it does not, then it will return null. * * It is also possible that it will return a WP_Error object on failure. Check * for it when using this function. * * @since 2.1.0 * * @param string $category_path URL containing category slugs. * @param bool $full_match Optional. Whether full path should be matched. * @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N * @return null|object|array Null on failure. Type is based on $output value. */ function get_category_by_path( $category_path, $full_match = true, $output = OBJECT ) { $category_path = rawurlencode( urldecode( $category_path ) ); $category_path = str_replace( '%2F', '/', $category_path ); $category_path = str_replace( '%20', ' ', $category_path ); $category_paths = '/' . trim( $category_path, '/' ); $leaf_path = sanitize_title( basename( $category_paths ) ); $category_paths = explode( '/', $category_paths ); $full_path = ''; foreach ( (array) $category_paths as $pathdir ) $full_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title( $pathdir ); $categories = get_terms( 'category', array('get' => 'all', 'slug' => $leaf_path) ); if ( empty( $categories ) ) return null; foreach ( $categories as $category ) { $path = '/' . $leaf_path; $curcategory = $category; while ( ( $curcategory->parent != 0 ) && ( $curcategory->parent != $curcategory->term_id ) ) { $curcategory = get_term( $curcategory->parent, 'category' ); if ( is_wp_error( $curcategory ) ) return $curcategory; $path = '/' . $curcategory->slug . $path; } if ( $path == $full_path ) { $category = get_term( $category->term_id, 'category', $output ); _make_cat_compat( $category ); return $category; } } // If full matching is not required, return the first cat that matches the leaf. if ( ! $full_match ) { $category = get_term( reset( $categories )->term_id, 'category', $output ); _make_cat_compat( $category ); return $category; } return null; } /** * Retrieve category object by category slug. * * @since 2.3.0 * * @param string $slug The category slug. * @return object Category data object */ function get_category_by_slug( $slug ) { $category = get_term_by( 'slug', $slug, 'category' ); if ( $category ) _make_cat_compat( $category ); return $category; } /** * Retrieve the ID of a category from its name. * * @since 1.0.0 * * @param string $cat_name Category name. * @return int 0, if failure and ID of category on success. */ function get_cat_ID( $cat_name ) { $cat = get_term_by( 'name', $cat_name, 'category' ); if ( $cat ) return $cat->term_id; return 0; } /** * Retrieve the name of a category from its ID. * * @since 1.0.0 * * @param int $cat_id Category ID * @return string Category name, or an empty string if category doesn't exist. */ function get_cat_name( $cat_id ) { $cat_id = (int) $cat_id; $category = get_term( $cat_id, 'category' ); if ( ! $category || is_wp_error( $category ) ) return ''; return $category->name; } /** * Check if a category is an ancestor of another category. * * You can use either an id or the category object for both parameters. If you * use an integer the category will be retrieved. * * @since 2.1.0 * * @param int|object $cat1 ID or object to check if this is the parent category. * @param int|object $cat2 The child category. * @return bool Whether $cat2 is child of $cat1 */ function cat_is_ancestor_of( $cat1, $cat2 ) { return term_is_ancestor_of( $cat1, $cat2, 'category' ); } /** * Sanitizes category data based on context. * * @since 2.3.0 * @uses sanitize_term() See this function for what context are supported. * * @param object|array $category Category data * @param string $context Optional. Default is 'display'. * @return object|array Same type as $category with sanitized data for safe use. */ function sanitize_category( $category, $context = 'display' ) { return sanitize_term( $category, 'category', $context ); } /** * Sanitizes data in single category key field. * * @since 2.3.0 * @uses sanitize_term_field() See function for more details. * * @param string $field Category key to sanitize * @param mixed $value Category value to sanitize * @param int $cat_id Category ID * @param string $context What filter to use, 'raw', 'display', etc. * @return mixed Same type as $value after $value has been sanitized. */ function sanitize_category_field( $field, $value, $cat_id, $context ) { return sanitize_term_field( $field, $value, $cat_id, 'category', $context ); } /* Tags */ /** * Retrieves all post tags. * * @since 2.3.0 * @see get_terms() For list of arguments to pass. * @uses apply_filters() Calls 'get_tags' hook on array of tags and with $args. * * @param string|array $args Tag arguments to use when retrieving tags. * @return array List of tags. */ function get_tags( $args = '' ) { $tags = get_terms( 'post_tag', $args ); if ( empty( $tags ) ) { $return = array(); return $return; } /** * Filter the array of term objects returned for the 'post_tag' taxonomy. * * @since 2.3.0 * * @param array $tags Array of 'post_tag' term objects. * @param array $args An array of arguments. @see get_terms() */ $tags = apply_filters( 'get_tags', $tags, $args ); return $tags; } /** * Retrieve post tag by tag ID or tag object. * * If you pass the $tag parameter an object, which is assumed to be the tag row * object retrieved the database. It will cache the tag data. * * If you pass $tag an integer of the tag ID, then that tag will * be retrieved from the database, if it isn't already cached, and pass it back. * * If you look at get_term(), then both types will be passed through several * filters and finally sanitized based on the $filter parameter value. * * @since 2.3.0 * * @param int|object $tag * @param string $output Optional. Constant OBJECT, ARRAY_A, or ARRAY_N * @param string $filter Optional. Default is raw or no WordPress defined filter will applied. * @return object|array|WP_Error|null Tag data in type defined by $output parameter. WP_Error if $tag is empty, null if it does not exist. */ function get_tag( $tag, $output = OBJECT, $filter = 'raw' ) { return get_term( $tag, 'post_tag', $output, $filter ); } /* Cache */ /** * Remove the category cache data based on ID. * * @since 2.1.0 * @uses clean_term_cache() Clears the cache for the category based on ID * * @param int $id Category ID */ function clean_category_cache( $id ) { clean_term_cache( $id, 'category' ); } /** * Update category structure to old pre 2.3 from new taxonomy structure. * * This function was added for the taxonomy support to update the new category * structure with the old category one. This will maintain compatibility with * plugins and themes which depend on the old key or property names. * * The parameter should only be passed a variable and not create the array or * object inline to the parameter. The reason for this is that parameter is * passed by reference and PHP will fail unless it has the variable. * * There is no return value, because everything is updated on the variable you * pass to it. This is one of the features with using pass by reference in PHP. * * @since 2.3.0 * @access private * * @param array|object $category Category Row object or array */ function _make_cat_compat( &$category ) { if ( is_object( $category ) ) { $category->cat_ID = &$category->term_id; $category->category_count = &$category->count; $category->category_description = &$category->description; $category->cat_name = &$category->name; $category->category_nicename = &$category->slug; $category->category_parent = &$category->parent; } elseif ( is_array( $category ) && isset( $category['term_id'] ) ) { $category['cat_ID'] = &$category['term_id']; $category['category_count'] = &$category['count']; $category['category_description'] = &$category['description']; $category['cat_name'] = &$category['name']; $category['category_nicename'] = &$category['slug']; $category['category_parent'] = &$category['parent']; } }