X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/177fd6fefd2e3d5a0ea6591c71d660cabdb3c1a4..refs/tags/wordpress-3.3.1-scripts:/wp-includes/user.php diff --git a/wp-includes/user.php b/wp-includes/user.php index c861be03..2b0508fa 100644 --- a/wp-includes/user.php +++ b/wp-includes/user.php @@ -1,6 +1,28 @@ get_error_codes() == array('empty_username', 'empty_password') ) { + $user = new WP_Error('', ''); + } - // If the cookie is not set, be silent. - return new WP_Error(); + return $user; } - if ( empty($credentials['user_login']) || empty($credentials['user_password']) ) { + wp_set_auth_cookie($user->ID, $credentials['remember'], $secure_cookie); + do_action('wp_login', $user->user_login, $user); + return $user; +} + + +/** + * Authenticate the user using the username and password. + */ +add_filter('authenticate', 'wp_authenticate_username_password', 20, 3); +function wp_authenticate_username_password($user, $username, $password) { + if ( is_a($user, 'WP_User') ) { return $user; } + + if ( empty($username) || empty($password) ) { $error = new WP_Error(); - if ( empty($credentials['user_login']) ) + if ( empty($username) ) $error->add('empty_username', __('ERROR: The username field is empty.')); - if ( empty($credentials['user_password']) ) + + if ( empty($password) ) $error->add('empty_password', __('ERROR: The password field is empty.')); + return $error; } - $user = wp_authenticate($credentials['user_login'], $credentials['user_password']); - if ( is_wp_error($user) ) - return $user; + $userdata = get_user_by('login', $username); + + if ( !$userdata ) + return new WP_Error('invalid_username', sprintf(__('ERROR: Invalid username. Lost your password?'), wp_lostpassword_url())); + + if ( is_multisite() ) { + // Is user marked as spam? + if ( 1 == $userdata->spam) + return new WP_Error('invalid_username', __('ERROR: Your account has been marked as a spammer.')); + + // Is a user's blog marked as spam? + if ( !is_super_admin( $userdata->ID ) && isset($userdata->primary_blog) ) { + $details = get_blog_details( $userdata->primary_blog ); + if ( is_object( $details ) && $details->spam == 1 ) + return new WP_Error('blog_suspended', __('Site Suspended.')); + } + } + + $userdata = apply_filters('wp_authenticate_user', $userdata, $password); + if ( is_wp_error($userdata) ) + return $userdata; - wp_set_auth_cookie($user->ID, $credentials['remember']); - do_action('wp_login', $credentials['user_login']); + if ( !wp_check_password($password, $userdata->user_pass, $userdata->ID) ) + return new WP_Error( 'incorrect_password', sprintf( __( 'ERROR: The password you entered for the username %1$s is incorrect. Lost your password?' ), + $username, wp_lostpassword_url() ) ); + + $user = new WP_User($userdata->ID); return $user; } -function get_profile($field, $user = false) { +/** + * Authenticate the user using the WordPress auth cookie. + */ +function wp_authenticate_cookie($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; +} + +/** + * Number of posts user has written. + * + * @since 3.0.0 + * @uses $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 $wpdb; - if ( !$user ) - $user = $wpdb->escape($_COOKIE[USER_COOKIE]); - return $wpdb->get_var("SELECT $field FROM $wpdb->users WHERE user_login = '$user'"); + + $where = get_posts_by_author_sql('post', TRUE, $userid); + + $count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts $where" ); + + return apply_filters('get_usernumposts', $count, $userid); } -function get_usernumposts($userid) { +/** + * Number of posts written by a list of users. + * + * @since 3.0.0 + * @param array $user_ids Array of user IDs. + * @param string|array $post_type Optional. Post type to check. Defaults to post. + * @return array Amount of posts each user has written. + */ +function count_many_users_posts($users, $post_type = 'post' ) { global $wpdb; - $userid = (int) $userid; - return $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->posts WHERE post_author = '$userid' AND post_type = 'post' AND " . get_private_posts_cap_sql('post')); + + $count = array(); + if ( empty( $users ) || ! is_array( $users ) ) + return $count; + + $userlist = implode( ',', array_map( 'absint', $users ) ); + $where = get_posts_by_author_sql( $post_type ); + + $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 $count; } -// TODO: xmlrpc only. Maybe move to xmlrpc.php. -function user_pass_ok($user_login,$user_pass) { +/** + * Check that the user login name and password is correct. + * + * @since 0.71 + * @todo xmlrpc only. Maybe move to xmlrpc.php. + * + * @param string $user_login User name. + * @param string $user_pass User password. + * @return bool False if does not authenticate, true if username and password authenticates. + */ +function user_pass_ok($user_login, $user_pass) { $user = wp_authenticate($user_login, $user_pass); if ( is_wp_error($user) ) return false; @@ -79,166 +214,782 @@ function user_pass_ok($user_login,$user_pass) { // User option functions // -function get_user_option( $option, $user = 0 ) { +/** + * 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() { + $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 + * @uses $wpdb WordPress database object for queries. + * @uses apply_filters() Calls 'get_user_option_$option' hook with result, + * option parameter, and user data object. + * + * @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 + */ +function get_user_option( $option, $user = 0, $deprecated = '' ) { global $wpdb; - $option = preg_replace('|[^a-z0-9_]|i', '', $option); - if ( empty($user) ) + if ( !empty( $deprecated ) ) + _deprecated_argument( __FUNCTION__, '3.0' ); + + if ( empty( $user ) ) $user = wp_get_current_user(); else - $user = get_userdata($user); - - if ( isset( $user->{$wpdb->prefix . $option} ) ) // Blog specific - $result = $user->{$wpdb->prefix . $option}; - elseif ( isset( $user->{$option} ) ) // User specific and cross-blog - $result = $user->{$option}; - else // Blog global - $result = get_option( $option ); - + $user = new WP_User( $user ); + + if ( ! isset( $user->ID ) ) + return false; + + if ( $user->has_prop( $wpdb->prefix . $option ) ) // Blog specific + $result = $user->get( $wpdb->prefix . $option ); + elseif ( $user->has_prop( $option ) ) // User specific and cross-blog + $result = $user->get( $option ); + else + $result = false; + return apply_filters("get_user_option_{$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 + * @uses $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 unknown + */ function update_user_option( $user_id, $option_name, $newvalue, $global = false ) { global $wpdb; + if ( !$global ) $option_name = $wpdb->prefix . $option_name; - return update_usermeta( $user_id, $option_name, $newvalue ); + + // For backward compatibility. See differences between update_user_meta() and deprecated update_usermeta(). + // http://core.trac.wordpress.org/ticket/13088 + if ( is_null( $newvalue ) || is_scalar( $newvalue ) && empty( $newvalue ) ) + return delete_user_meta( $user_id, $option_name ); + + return update_user_meta( $user_id, $option_name, $newvalue ); } -// Get users with capabilities for the current blog. -// For setups that use the multi-blog feature. -function get_users_of_blog( $id = '' ) { - global $wpdb, $blog_id; - if ( empty($id) ) - $id = (int) $blog_id; - $users = $wpdb->get_results( "SELECT user_id, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE " . $wpdb->users . ".ID = " . $wpdb->usermeta . ".user_id AND meta_key = '" . $wpdb->prefix . "capabilities' ORDER BY {$wpdb->usermeta}.user_id" ); - return $users; +/** + * 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 + * @uses $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 unknown + */ +function delete_user_option( $user_id, $option_name, $global = false ) { + global $wpdb; + + if ( !$global ) + $option_name = $wpdb->prefix . $option_name; + return delete_user_meta( $user_id, $option_name ); } -// -// User meta functions -// +/** + * WordPress User Query class. + * + * @since 3.1.0 + */ +class WP_User_Query { + + /** + * 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 The query variables + * @return WP_User_Query + */ + function __construct( $query = null ) { + if ( !empty( $query ) ) { + $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' => '', + 'orderby' => 'login', + 'order' => 'ASC', + 'offset' => '', + 'number' => '', + 'count_total' => true, + 'fields' => 'all', + 'who' => '' + ) ); + + $this->prepare_query(); + $this->query(); + } + } -function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) { - global $wpdb; - if ( !is_numeric( $user_id ) ) - return false; - $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key); + /** + * Prepare the query variables + * + * @since 3.1.0 + * @access private + */ + function prepare_query() { + global $wpdb; + + $qv = &$this->query_vars; + + if ( is_array( $qv['fields'] ) ) { + $qv['fields'] = array_unique( $qv['fields'] ); + + $this->query_fields = array(); + foreach ( $qv['fields'] as $field ) + $this->query_fields[] = $wpdb->users . '.' . esc_sql( $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 ( is_array($meta_value) || is_object($meta_value) ) - $meta_value = serialize($meta_value); - $meta_value = trim( $meta_value ); + if ( $this->query_vars['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 ( 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'; + } else { + $orderby = 'user_login'; + } - if ( ! empty($meta_value) ) - $wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key' AND meta_value = '$meta_value'"); - else - $wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'"); + $qv['order'] = strtoupper( $qv['order'] ); + if ( 'ASC' == $qv['order'] ) + $order = 'ASC'; + else + $order = 'DESC'; + $this->query_orderby = "ORDER BY $orderby $order"; + + // limit + if ( $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", $qv['number']); + } - wp_cache_delete($user_id, 'users'); + $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, '*'); + + if ( false !== strpos( $search, '@') ) + $search_columns = array('user_email'); + elseif ( is_numeric($search) ) + $search_columns = array('user_login', 'ID'); + elseif ( preg_match('|^https?://|', $search) ) + $search_columns = array('user_url'); + else + $search_columns = array('user_login', 'user_nicename'); + + $this->query_where .= $this->get_search_sql( $search, $search_columns, $wild ); + } - return true; + $blog_id = absint( $qv['blog_id'] ); + + if ( '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 = 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'; + } + + $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)"; + } + + do_action_ref_array( 'pre_user_query', array( &$this ) ); + } + + /** + * Execute the query, with the current variables + * + * @since 3.1.0 + * @access private + */ + function query() { + global $wpdb; + + if ( is_array( $this->query_vars['fields'] ) || 'all' == $this->query_vars['fields'] ) { + $this->results = $wpdb->get_results("SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit"); + } else { + $this->results = $wpdb->get_col("SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit"); + } + + if ( $this->query_vars['count_total'] ) + $this->total_users = $wpdb->get_var( apply_filters( 'found_users_query', 'SELECT FOUND_ROWS()' ) ); + + if ( !$this->results ) + return; + + if ( 'all_with_meta' == $this->query_vars['fields'] ) { + cache_users( $this->results ); + + $r = array(); + foreach ( $this->results as $userid ) + $r[ $userid ] = new WP_User( $userid, '', $this->query_vars['blog_id'] ); + + $this->results = $r; + } + } + + /* + * 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 + */ + function get_results() { + return $this->results; + } + + /** + * Return the total number of users for the current query + * + * @since 3.1.0 + * @access public + * + * @return array + */ + function get_total() { + return $this->total_users; + } +} + +/** + * Retrieve list of users matching criteria. + * + * @since 3.1.0 + * @uses $wpdb + * @uses WP_User_Query See for default arguments and information. + * + * @param array $args Optional. + * @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(); } -function get_usermeta( $user_id, $meta_key = '') { +/** + * Get the blogs a user belongs to. + * + * @since 3.0.0 + * + * @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. False if the user was not found or an empty array if the user has no blogs. + */ +function get_blogs_of_user( $user_id, $all = false ) { global $wpdb; + $user_id = (int) $user_id; - if ( !$user_id ) + // Logged out users can't have blogs + if ( empty( $user_id ) ) return false; - if ( !empty($meta_key) ) { - $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key); - $user = wp_cache_get($user_id, 'users'); - // Check the cached user object - if ( false !== $user && isset($user->$meta_key) ) - $metas = array($user->$meta_key); - else - $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) ); - } else { - $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user_id) ); + $keys = get_user_meta( $user_id ); + if ( empty( $keys ) ) + return false; + + 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'); + return $blogs; } - if ( empty($metas) ) { - if ( empty($meta_key) ) - return array(); - else - return ''; + $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, + ); + } + unset( $keys[ $wpdb->base_prefix . 'capabilities' ] ); } - $metas = array_map('maybe_unserialize', $metas); + $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' => $blog->siteurl, + ); + } + } - if ( count($metas) == 1 ) - return $metas[0]; - else - return $metas; + return apply_filters( 'get_blogs_of_user', $blogs, $user_id, $all ); } -function update_usermeta( $user_id, $meta_key, $meta_value ) { - global $wpdb; - if ( !is_numeric( $user_id ) ) +/** + * 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 The unique ID of the user + * @param int $blog Optional. If no blog_id is provided, current site is used + * @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 ); + if ( is_array( $blogs ) ) + return array_key_exists( $blog_id, $blogs ); + else return false; - $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key); +} - // FIXME: usermeta data is assumed to be already escaped - if ( is_string($meta_value) ) - $meta_value = stripslashes($meta_value); - $meta_value = maybe_serialize($meta_value); - $meta_value = $wpdb->escape($meta_value); +/** + * 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 Post ID. + * @param string $meta_key Metadata name. + * @param mixed $meta_value Metadata value. + * @param bool $unique Optional, default is false. Whether the same key should not be added. + * @return bool False for failure. True for success. + */ +function add_user_meta($user_id, $meta_key, $meta_value, $unique = false) { + return add_metadata('user', $user_id, $meta_key, $meta_value, $unique); +} - if (empty($meta_value)) { - return delete_usermeta($user_id, $meta_key); - } +/** + * 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 $meta_value Optional. Metadata value. + * @return bool False for failure. True for success. + */ +function delete_user_meta($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 Post ID. + * @param string $key The meta key to retrieve. + * @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 Post ID. + * @param string $meta_key Metadata key. + * @param mixed $meta_value Metadata value. + * @param mixed $prev_value Optional. Previous value to check before removing. + * @return bool False on failure, true if success. + */ +function update_user_meta($user_id, $meta_key, $meta_value, $prev_value = '') { + return update_metadata('user', $user_id, $meta_key, $meta_value, $prev_value); +} - $cur = $wpdb->get_row("SELECT * FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'"); - if ( !$cur ) { - $wpdb->query("INSERT INTO $wpdb->usermeta ( user_id, meta_key, meta_value ) - VALUES - ( '$user_id', '$meta_key', '$meta_value' )"); - } else if ( $cur->meta_value != $meta_value ) { - $wpdb->query("UPDATE $wpdb->usermeta SET meta_value = '$meta_value' WHERE user_id = '$user_id' AND meta_key = '$meta_key'"); +/** + * 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 { - return false; - } + $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 ) { + $b_roles = unserialize($caps_meta); + if ( is_array($b_roles) ) { + foreach ( $b_roles as $b_role => $val ) { + if ( isset($avail_roles[$b_role]) ) { + $avail_roles[$b_role]++; + } else { + $avail_roles[$b_role] = 1; + } + } + } + } - wp_cache_delete($user_id, 'users'); + $result['total_users'] = count( $users_of_blog ); + $result['avail_roles'] =& $avail_roles; + } - return true; + return $result; } // // Private helper functions // -// Setup global user vars. Used by set_current_user() for back compat. -function setup_userdata($user_id = '') { +/** + * 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_pass_md5 MD5 of the user's password + * @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_pass_md5, $user_identity; - if ( '' == $user_id ) + if ( '' == $for_user_id ) $user = wp_get_current_user(); else - $user = new WP_User($user_id); + $user = new WP_User($for_user_id); - if ( 0 == $user->ID ) + $userdata = $user; + $user_ID = (int) $user->ID; + $user_level = (int) isset($user->user_level) ? $user->user_level : 0; + + if ( 0 == $user->ID ) { + $user_login = $user_email = $user_url = $user_pass_md5 = $user_identity = ''; return; + } - $userdata = $user->data; $user_login = $user->user_login; - $user_level = (int) isset($user->user_level) ? $user->user_level : 0; - $user_ID = (int) $user->ID; $user_email = $user->user_email; $user_url = $user->user_url; $user_pass_md5 = md5($user->user_pass); $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. + *
  2. show_option_none - Text for show none and whether HTML option exists.
    3. + *
  3. hide_if_only_one_author - Don't create the dropdown if there is only one user.
    4. + *
  4. orderby - SQL order by clause for what order the users appear. Default is 'display_name'.
    5. + *
  5. order - Default is 'ASC'. Can also be 'DESC'.
    6. + *
  6. include - User IDs to include.
    7. + *
  7. exclude - User IDs to exclude.
    8. + *
  8. multi - Default is 'false'. Whether to skip the ID attribute on the 'select' element. A 'true' value is overridden when id argument is set.
    9. + *
  9. 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
    10. + *
  10. echo - Default is '1'. Whether to display or retrieve content.
    11. + *
  11. selected - Which User ID is selected.
    12. + *
  12. include_selected - Always include the selected user ID in the dropdown. Default is false.
    13. + *
  13. name - Default is 'user'. Name attribute of select element.
    14. + *
  14. id - Default is the value of the 'name' parameter. ID attribute of select element.
    15. + *
  15. class - Class attribute of select element.
    16. + *
  16. blog_id - ID of blog (Multisite only). Defaults to ID of current blog.
    17. + *
  17. who - Which users to query. Currently only 'authors' is supported. Default is all users.
    18. + *
+ * + * @since 2.3.0 + * @uses $wpdb WordPress database object for queries + * + * @param string|array $args Optional. Override defaults. + * @return string|null Null on display. String of HTML content on retrieve. + */ function wp_dropdown_users( $args = '' ) { - global $wpdb; $defaults = array( - 'show_option_all' => '', 'show_option_none' => '', + 'show_option_all' => '', 'show_option_none' => '', 'hide_if_only_one_author' => '', 'orderby' => 'display_name', 'order' => 'ASC', - 'include' => '', 'exclude' => '', + 'include' => '', 'exclude' => '', 'multi' => 0, 'show' => 'display_name', 'echo' => 1, - 'selected' => 0, 'name' => 'user', 'class' => '' + 'selected' => 0, 'name' => 'user', 'class' => '', 'id' => '', + 'blog_id' => $GLOBALS['blog_id'], 'who' => '', 'include_selected' => false ); $defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0; @@ -246,43 +997,43 @@ function wp_dropdown_users( $args = '' ) { $r = wp_parse_args( $args, $defaults ); extract( $r, EXTR_SKIP ); - $query = "SELECT * FROM $wpdb->users"; - - $query_where = array(); - - if ( is_array($include) ) - $include = join(',', $include); - $include = preg_replace('/[^0-9,]/', '', $include); // (int) - if ( $include ) - $query_where[] = "ID IN ($include)"; - - if ( is_array($exclude) ) - $exclude = join(',', $exclude); - $exclude = preg_replace('/[^0-9,]/', '', $exclude); // (int) - if ( $exclude ) - $query_where[] = "ID NOT IN ($exclude)"; - - if ( $query_where ) - $query .= " WHERE " . join(' AND', $query_where); - - $query .= " ORDER BY $orderby $order"; - - $users = $wpdb->get_results( $query ); + $query_args = wp_array_slice_assoc( $r, array( 'blog_id', 'include', 'exclude', 'orderby', 'order', 'who' ) ); + $query_args['fields'] = array( 'ID', $show ); + $users = get_users( $query_args ); $output = ''; - if ( !empty($users) ) { - $output = "\n"; if ( $show_option_all ) $output .= "\t\n"; - if ( $show_option_none ) - $output .= "\t\n"; + if ( $show_option_none ) { + $_selected = selected( -1, $selected, false ); + $output .= "\t\n"; + } - foreach ( $users as $user ) { + $found_selected = false; + foreach ( (array) $users as $user ) { $user->ID = (int) $user->ID; - $_selected = $user->ID == $selected ? " selected='selected'" : ''; - $output .= "\t\n"; + $_selected = selected( $user->ID, $selected, false ); + if ( $_selected ) + $found_selected = true; + $display = !empty($user->$show) ? $user->$show : '('. $user->user_login . ')'; + $output .= "\t\n"; + } + + if ( $include_selected && ! $found_selected && ( $selected > 0 ) ) { + $user = get_userdata( $selected ); + $_selected = selected( $user->ID, $selected, false ); + $display = !empty($user->$show) ? $user->$show : '('. $user->user_login . ')'; + $output .= "\t\n"; } $output .= ""; @@ -296,35 +1047,450 @@ function wp_dropdown_users( $args = '' ) { return $output; } -function _fill_user( &$user ) { - global $wpdb; +/** + * Sanitize user field based on context. + * + * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The + * 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display' + * when calling filters. + * + * @since 2.3.0 + * @uses apply_filters() Calls 'edit_$field' and '{$field_no_prefix}_edit_pre' passing $value and + * $user_id if $context == 'edit' and field name prefix == 'user_'. + * + * @uses apply_filters() Calls 'edit_user_$field' passing $value and $user_id if $context == 'db'. + * @uses apply_filters() Calls 'pre_$field' passing $value if $context == 'db' and field name prefix == 'user_'. + * @uses apply_filters() Calls '{$field}_pre' passing $value if $context == 'db' and field name prefix != 'user_'. + * + * @uses apply_filters() Calls '$field' passing $value, $user_id and $context if $context == anything + * other than 'raw', 'edit' and 'db' and field name prefix == 'user_'. + * @uses apply_filters() Calls 'user_$field' passing $value if $context == anything other than 'raw', + * 'edit' and 'db' and field name prefix != 'user_'. + * + * @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; + + $prefixed = false; + if ( false !== strpos($field, 'user_') ) { + $prefixed = true; + $field_no_prefix = str_replace('user_', '', $field); + } - $show = $wpdb->hide_errors(); - $metavalues = $wpdb->get_results($wpdb->prepare("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user->ID)); - $wpdb->show_errors($show); + if ( 'edit' == $context ) { + if ( $prefixed ) { + $value = apply_filters("edit_{$field}", $value, $user_id); + } else { + $value = apply_filters("edit_user_{$field}", $value, $user_id); + } - if ( $metavalues ) { - foreach ( $metavalues as $meta ) { - $value = maybe_unserialize($meta->meta_value); - $user->{$meta->meta_key} = $value; + if ( 'description' == $field ) + $value = esc_html( $value ); // textarea_escaped? + else + $value = esc_attr($value); + } else if ( 'db' == $context ) { + if ( $prefixed ) { + $value = apply_filters("pre_{$field}", $value); + } else { + $value = apply_filters("pre_user_{$field}", $value); } + } else { + // Use display filters by default. + if ( $prefixed ) + $value = apply_filters($field, $value, $user_id, $context); + else + $value = apply_filters("user_{$field}", $value, $user_id, $context); } - $level = $wpdb->prefix . 'user_level'; - if ( isset( $user->{$level} ) ) - $user->user_level = $user->{$level}; + if ( 'user_url' == $field ) + $value = esc_url($value); - // For backwards compat. - if ( isset($user->first_name) ) - $user->user_firstname = $user->first_name; - if ( isset($user->last_name) ) - $user->user_lastname = $user->last_name; - if ( isset($user->description) ) - $user->user_description = $user->description; + 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 int $id User ID + */ +function clean_user_cache($id) { + $user = WP_User::get_data_by( 'id', $id ); + + wp_cache_delete($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 + * @uses $wpdb + * + * @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 ); + return apply_filters( 'validate_username', $valid, $username ); +} + +/** + * Insert an user into the database. + * + * Can update a current user or insert a new user based on whether the user's ID + * is present. + * + * Can be used to update the user's info (see below), set the user's role, and + * set the user's preference on whether they want the rich editor on. + * + * 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 nicer looking 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 + * @uses $wpdb WordPress database layer. + * @uses apply_filters() Calls filters for most of the $userdata fields with the prefix 'pre_user'. See note above. + * @uses do_action() Calls 'profile_update' hook when updating giving the user's ID + * @uses do_action() Calls 'user_register' hook when creating a new user giving the user's ID + * + * @param array $userdata An array of user data. + * @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not be created. + */ +function wp_insert_user($userdata) { + global $wpdb; + + extract($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); + $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( $user_login ) ) + return new WP_Error('existing_user_login', __('This username is already registered.') ); + + if ( empty($user_nicename) ) + $user_nicename = sanitize_title( $user_login ); + $user_nicename = apply_filters('pre_user_nicename', $user_nicename); + + if ( empty($user_url) ) + $user_url = ''; + $user_url = apply_filters('pre_user_url', $user_url); + + if ( empty($user_email) ) + $user_email = ''; + $user_email = apply_filters('pre_user_email', $user_email); + + if ( !$update && ! defined( 'WP_IMPORTING' ) && email_exists($user_email) ) + return new WP_Error('existing_user_email', __('This email address is already registered.') ); + + if ( empty($display_name) ) + $display_name = $user_login; + $display_name = apply_filters('pre_user_display_name', $display_name); + + if ( empty($nickname) ) + $nickname = $user_login; + $nickname = apply_filters('pre_user_nickname', $nickname); + + if ( empty($first_name) ) + $first_name = ''; + $first_name = apply_filters('pre_user_first_name', $first_name); + + if ( empty($last_name) ) + $last_name = ''; + $last_name = apply_filters('pre_user_last_name', $last_name); + + if ( empty($description) ) + $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 = stripslashes_deep( $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 ) + do_action('profile_update', $user_id, $old_user_data); + else + 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 $userdata does not contain an 'ID' key, then a new user will be created + * and the new user's ID will be returned. + * + * 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 + * @uses wp_insert_user() Used to update existing user or add new one if user doesn't exist already + * + * @param array $userdata An array of user data. + * @return int The updated user's ID. + */ +function wp_update_user($userdata) { + $ID = (int) $userdata['ID']; + + // First, get all of the original fields + $user_obj = get_userdata( $ID ); + + $user = get_object_vars( $user_obj->data ); + + // 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 = esc_sql( $username ); + $user_email = esc_sql( $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. + * + * @access private + * @since 3.3.0 + * + * @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_contactmethods( $user ) ) ); +} + +/** + * Set up the default contact methods + * + * @access private + * @since + * + * @param object $user User data object (optional) + * @return array $user_contactmethods Array of contact methods and their labels. + */ +function _wp_get_user_contactmethods( $user = null ) { + $user_contactmethods = array( + 'aim' => __('AIM'), + 'yim' => __('Yahoo IM'), + 'jabber' => __('Jabber / Google Talk') + ); + return apply_filters( 'user_contactmethods', $user_contactmethods, $user ); } ?>