Web.Admin/2014/wordpress/wp-admin/includes/user.php
<?php
/**
* WordPress user administration API.
*
* @package WordPress
* @subpackage Administration
*/
/**
* Creates a new user from the "Users" form using $_POST information.
*
* It seems that the first half is for backwards compatibility, but only
* has the ability to alter the user's role. WordPress core seems to
* use this function only in the second way, running edit_user() with
* no id so as to create a new user.
*
* @since 2.0
*
* @param int $user_id Optional. User ID.
* @return null|WP_Error|int Null when adding user, WP_Error or User ID integer when no parameters.
*/
function add_user() {
if ( func_num_args() ) { // The hackiest hack that ever did hack
global $current_user, $wp_roles;
$user_id = (int) func_get_arg( 0 );
if ( isset( $_POST['role'] ) ) {
$new_role = sanitize_text_field( $_POST['role'] );
// Don't let anyone with 'edit_users' (admins) edit their own role to something without it.
if ( $user_id != $current_user->id || $wp_roles->role_objects[$new_role]->has_cap( 'edit_users' ) ) {
// If the new role isn't editable by the logged-in user die with error
$editable_roles = get_editable_roles();
if ( !$editable_roles[$new_role] )
wp_die(__('You can’t give users that role.'));
$user = new WP_User( $user_id );
$user->set_role( $new_role );
}
}
} else {
add_action( 'user_register', 'add_user' ); // See above
return edit_user();
}
}
/**
* Edit user settings based on contents of $_POST
*
* Used on user-edit.php and profile.php to manage and process user options, passwords etc.
*
* @since 2.0
*
* @param int $user_id Optional. User ID.
* @return int user id of the updated user
*/
function edit_user( $user_id = 0 ) {
global $current_user, $wp_roles, $wpdb;
if ( $user_id != 0 ) {
$update = true;
$user->ID = (int) $user_id;
$userdata = get_userdata( $user_id );
$user->user_login = $wpdb->escape( $userdata->user_login );
} else {
$update = false;
$user = '';
}
if ( !$update && isset( $_POST['user_login'] ) )
$user->user_login = sanitize_user($_POST['user_login'], true);
$pass1 = $pass2 = '';
if ( isset( $_POST['pass1'] ))
$pass1 = $_POST['pass1'];
if ( isset( $_POST['pass2'] ))
$pass2 = $_POST['pass2'];
if ( isset( $_POST['role'] ) && current_user_can( 'edit_users' ) ) {
$new_role = sanitize_text_field( $_POST['role'] );
// Don't let anyone with 'edit_users' (admins) edit their own role to something without it.
if( $user_id != $current_user->id || $wp_roles->role_objects[$new_role]->has_cap( 'edit_users' ))
$user->role = $new_role;
// If the new role isn't editable by the logged-in user die with error
$editable_roles = get_editable_roles();
if ( !$editable_roles[$new_role] )
wp_die(__('You can’t give users that role.'));
}
if ( isset( $_POST['email'] ))
$user->user_email = sanitize_text_field( $_POST['email'] );
if ( isset( $_POST['url'] ) ) {
if ( empty ( $_POST['url'] ) || $_POST['url'] == 'http://' ) {
$user->user_url = '';
} else {
$user->user_url = sanitize_url( $_POST['url'] );
$user->user_url = preg_match('/^(https?|ftps?|mailto|news|irc|gopher|nntp|feed|telnet):/is', $user->user_url) ? $user->user_url : 'http://'.$user->user_url;
}
}
if ( isset( $_POST['first_name'] ) )
$user->first_name = sanitize_text_field( $_POST['first_name'] );
if ( isset( $_POST['last_name'] ) )
$user->last_name = sanitize_text_field( $_POST['last_name'] );
if ( isset( $_POST['nickname'] ) )
$user->nickname = sanitize_text_field( $_POST['nickname'] );
if ( isset( $_POST['display_name'] ) )
$user->display_name = sanitize_text_field( $_POST['display_name'] );
if ( isset( $_POST['description'] ) )
$user->description = trim( $_POST['description'] );
foreach ( _wp_get_user_contactmethods() as $method => $name ) {
if ( isset( $_POST[$method] ))
$user->$method = sanitize_text_field( $_POST[$method] );
}
if ( $update ) {
$user->rich_editing = isset( $_POST['rich_editing'] ) && 'false' == $_POST['rich_editing'] ? 'false' : 'true';
$user->admin_color = isset( $_POST['admin_color'] ) ? sanitize_text_field( $_POST['admin_color'] ) : 'fresh';
}
$user->comment_shortcuts = isset( $_POST['comment_shortcuts'] ) && 'true' == $_POST['comment_shortcuts'] ? 'true' : '';
$user->use_ssl = 0;
if ( !empty($_POST['use_ssl']) )
$user->use_ssl = 1;
$errors = new WP_Error();
/* checking that username has been typed */
if ( $user->user_login == '' )
$errors->add( 'user_login', __( '<strong>ERROR</strong>: Please enter a username.' ));
/* checking the password has been typed twice */
do_action_ref_array( 'check_passwords', array ( $user->user_login, & $pass1, & $pass2 ));
if ( $update ) {
if ( empty($pass1) && !empty($pass2) )
$errors->add( 'pass', __( '<strong>ERROR</strong>: You entered your new password only once.' ), array( 'form-field' => 'pass1' ) );
elseif ( !empty($pass1) && empty($pass2) )
$errors->add( 'pass', __( '<strong>ERROR</strong>: You entered your new password only once.' ), array( 'form-field' => 'pass2' ) );
} else {
if ( empty($pass1) )
$errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password.' ), array( 'form-field' => 'pass1' ) );
elseif ( empty($pass2) )
$errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password twice.' ), array( 'form-field' => 'pass2' ) );
}
/* Check for "\" in password */
if ( false !== strpos( stripslashes($pass1), "\\" ) )
$errors->add( 'pass', __( '<strong>ERROR</strong>: Passwords may not contain the character "\\".' ), array( 'form-field' => 'pass1' ) );
/* checking the password has been typed twice the same */
if ( $pass1 != $pass2 )
$errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter the same password in the two password fields.' ), array( 'form-field' => 'pass1' ) );
if ( !empty( $pass1 ) )
$user->user_pass = $pass1;
if ( !$update && !validate_username( $user->user_login ) )
$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is invalid. Please enter a valid username.' ));
if ( !$update && username_exists( $user->user_login ) )
$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' ));
/* checking e-mail address */
if ( empty( $user->user_email ) ) {
$errors->add( 'empty_email', __( '<strong>ERROR</strong>: Please enter an e-mail address.' ), array( 'form-field' => 'email' ) );
} elseif ( !is_email( $user->user_email ) ) {
$errors->add( 'invalid_email', __( '<strong>ERROR</strong>: The e-mail address isn’t correct.' ), array( 'form-field' => 'email' ) );
} elseif ( ( $owner_id = email_exists($user->user_email) ) && $owner_id != $user->ID ) {
$errors->add( 'email_exists', __('<strong>ERROR</strong>: This email is already registered, please choose another one.'), array( 'form-field' => 'email' ) );
}
// Allow plugins to return their own errors.
do_action_ref_array('user_profile_update_errors', array ( &$errors, $update, &$user ) );
if ( $errors->get_error_codes() )
return $errors;
if ( $update ) {
$user_id = wp_update_user( get_object_vars( $user ) );
} else {
$user_id = wp_insert_user( get_object_vars( $user ) );
wp_new_user_notification( $user_id, isset($_POST['send_password']) ? $pass1 : '' );
}
return $user_id;
}
/**
* {@internal Missing Short Description}}
*
* {@internal Missing Long Description}}
*
* @since unknown
*
* @return array List of user IDs.
*/
function get_author_user_ids() {
global $wpdb;
$level_key = $wpdb->prefix . 'user_level';
return $wpdb->get_col( $wpdb->prepare("SELECT user_id FROM $wpdb->usermeta WHERE meta_key = %s AND meta_value != '0'", $level_key) );
}
/**
* {@internal Missing Short Description}}
*
* {@internal Missing Long Description}}
*
* @since unknown
*
* @param int $user_id User ID.
* @return array|bool List of editable authors. False if no editable users.
*/
function get_editable_authors( $user_id ) {
global $wpdb;
$editable = get_editable_user_ids( $user_id );
if( !$editable ) {
return false;
} else {
$editable = join(',', $editable);
$authors = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($editable) ORDER BY display_name" );
}
return apply_filters('get_editable_authors', $authors);
}
/**
* {@internal Missing Short Description}}
*
* {@internal Missing Long Description}}
*
* @since unknown
*
* @param int $user_id User ID.
* @param bool $exclude_zeros Optional, default is true. Whether to exclude zeros.
* @return unknown
*/
function get_editable_user_ids( $user_id, $exclude_zeros = true, $post_type = 'post' ) {
global $wpdb;
$user = new WP_User( $user_id );
if ( ! $user->has_cap("edit_others_{$post_type}s") ) {
if ( $user->has_cap("edit_{$post_type}s") || $exclude_zeros == false )
return array($user->id);
else
return array();
}
$level_key = $wpdb->prefix . 'user_level';
$query = $wpdb->prepare("SELECT user_id FROM $wpdb->usermeta WHERE meta_key = %s", $level_key);
if ( $exclude_zeros )
$query .= " AND meta_value != '0'";
return $wpdb->get_col( $query );
}
/**
* Fetch a filtered list of user roles that the current user is
* allowed to edit.
*
* Simple function who's main purpose is to allow filtering of the
* list of roles in the $wp_roles object so that plugins can remove
* innappropriate ones depending on the situation or user making edits.
* Specifically because without filtering anyone with the edit_users
* capability can edit others to be administrators, even if they are
* only editors or authors. This filter allows admins to delegate
* user management.
*
* @since 2.8
*
* @return unknown
*/
function get_editable_roles() {
global $wp_roles;
$all_roles = $wp_roles->roles;
$editable_roles = apply_filters('editable_roles', $all_roles);
return $editable_roles;
}
/**
* {@internal Missing Short Description}}
*
* {@internal Missing Long Description}}
*
* @since unknown
*
* @return unknown
*/
function get_nonauthor_user_ids() {
global $wpdb;
$level_key = $wpdb->prefix . 'user_level';
return $wpdb->get_col( $wpdb->prepare("SELECT user_id FROM $wpdb->usermeta WHERE meta_key = %s AND meta_value = '0'", $level_key) );
}
/**
* Retrieve editable posts from other users.
*
* @since unknown
*
* @param int $user_id User ID to not retrieve posts from.
* @param string $type Optional, defaults to 'any'. Post type to retrieve, can be 'draft' or 'pending'.
* @return array List of posts from others.
*/
function get_others_unpublished_posts($user_id, $type='any') {
global $wpdb;
$editable = get_editable_user_ids( $user_id );
if ( in_array($type, array('draft', 'pending')) )
$type_sql = " post_status = '$type' ";
else
$type_sql = " ( post_status = 'draft' OR post_status = 'pending' ) ";
$dir = ( 'pending' == $type ) ? 'ASC' : 'DESC';
if( !$editable ) {
$other_unpubs = '';
} else {
$editable = join(',', $editable);
$other_unpubs = $wpdb->get_results( $wpdb->prepare("SELECT ID, post_title, post_author FROM $wpdb->posts WHERE post_type = 'post' AND $type_sql AND post_author IN ($editable) AND post_author != %d ORDER BY post_modified $dir", $user_id) );
}
return apply_filters('get_others_drafts', $other_unpubs);
}
/**
* Retrieve drafts from other users.
*
* @since unknown
*
* @param int $user_id User ID.
* @return array List of drafts from other users.
*/
function get_others_drafts($user_id) {
return get_others_unpublished_posts($user_id, 'draft');
}
/**
* Retrieve pending review posts from other users.
*
* @since unknown
*
* @param int $user_id User ID.
* @return array List of posts with pending review post type from other users.
*/
function get_others_pending($user_id) {
return get_others_unpublished_posts($user_id, 'pending');
}
/**
* Retrieve user data and filter it.
*
* @since unknown
*
* @param int $user_id User ID.
* @return object WP_User object with user data.
*/
function get_user_to_edit( $user_id ) {
$user = new WP_User( $user_id );
$user_contactmethods = _wp_get_user_contactmethods();
foreach ($user_contactmethods as $method => $name) {
if ( empty( $user->{$method} ) )
$user->{$method} = '';
}
if ( empty($user->description) )
$user->description = '';
$user = sanitize_user_object($user, 'edit');
return $user;
}
/**
* Retrieve the user's drafts.
*
* @since unknown
*
* @param int $user_id User ID.
* @return array
*/
function get_users_drafts( $user_id ) {
global $wpdb;
$query = $wpdb->prepare("SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author = %d ORDER BY post_modified DESC", $user_id);
$query = apply_filters('get_users_drafts', $query);
return $wpdb->get_results( $query );
}
/**
* Remove user and optionally reassign posts and links to another user.
*
* If the $reassign parameter is not assigned to an User ID, then all posts will
* be deleted of that user. The action 'delete_user' that is passed the User ID
* being deleted will be run after the posts are either reassigned or deleted.
* The user meta will also be deleted that are for that User ID.
*
* @since unknown
*
* @param int $id User ID.
* @param int $reassign Optional. Reassign posts and links to new User ID.
* @return bool True when finished.
*/
function wp_delete_user($id, $reassign = 'novalue') {
global $wpdb;
$id = (int) $id;
$user = new WP_User($id);
// allow for transaction statement
do_action('delete_user', $id);
if ($reassign == 'novalue') {
$post_ids = $wpdb->get_col( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id) );
if ($post_ids) {
foreach ($post_ids as $post_id)
wp_delete_post($post_id);
}
// Clean links
$link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
if ( $link_ids ) {
foreach ( $link_ids as $link_id )
wp_delete_link($link_id);
}
} else {
$reassign = (int) $reassign;
$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_author = %d WHERE post_author = %d", $reassign, $id) );
$wpdb->query( $wpdb->prepare("UPDATE $wpdb->links SET link_owner = %d WHERE link_owner = %d", $reassign, $id) );
}
// FINALLY, delete user
$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d", $id) );
$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->users WHERE ID = %d", $id) );
wp_cache_delete($id, 'users');
wp_cache_delete($user->user_login, 'userlogins');
wp_cache_delete($user->user_email, 'useremail');
wp_cache_delete($user->user_nicename, 'userslugs');
// allow for commit transaction
do_action('deleted_user', $id);
return true;
}
/**
* Remove all capabilities from user.
*
* @since unknown
*
* @param int $id User ID.
*/
function wp_revoke_user($id) {
$id = (int) $id;
$user = new WP_User($id);
$user->remove_all_caps();
}
if ( !class_exists('WP_User_Search') ) :
/**
* WordPress User Search class.
*
* @since unknown
* @author Mark Jaquith
*/
class WP_User_Search {
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var unknown_type
*/
var $results;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var unknown_type
*/
var $search_term;
/**
* Page number.
*
* @since unknown
* @access private
* @var int
*/
var $page;
/**
* Role name that users have.
*
* @since unknown
* @access private
* @var string
*/
var $role;
/**
* Raw page number.
*
* @since unknown
* @access private
* @var int|bool
*/
var $raw_page;
/**
* Amount of users to display per page.
*
* @since unknown
* @access public
* @var int
*/
var $users_per_page = 50;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var unknown_type
*/
var $first_user;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var int
*/
var $last_user;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var unknown_type
*/
var $query_limit;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var unknown_type
*/
var $query_sort;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var unknown_type
*/
var $query_from_where;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var int
*/
var $total_users_for_query = 0;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var bool
*/
var $too_many_total_users = false;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var unknown_type
*/
var $search_errors;
/**
* {@internal Missing Description}}
*
* @since unknown
* @access private
* @var unknown_type
*/
var $paging_text;
/**
* PHP4 Constructor - Sets up the object properties.
*
* @since unknown
*
* @param string $search_term Search terms string.
* @param int $page Optional. Page ID.
* @param string $role Role name.
* @return WP_User_Search
*/
function WP_User_Search ($search_term = '', $page = '', $role = '') {
$this->search_term = $search_term;
$this->raw_page = ( '' == $page ) ? false : (int) $page;
$this->page = (int) ( '' == $page ) ? 1 : $page;
$this->role = $role;
$this->prepare_query();
$this->query();
$this->prepare_vars_for_template_usage();
$this->do_paging();
}
/**
* {@internal Missing Short Description}}
*
* {@internal Missing Long Description}}
*
* @since unknown
* @access public
*/
function prepare_query() {
global $wpdb;
$this->first_user = ($this->page - 1) * $this->users_per_page;
$this->query_limit = $wpdb->prepare(" LIMIT %d, %d", $this->first_user, $this->users_per_page);
$this->query_sort = ' ORDER BY user_login';
$search_sql = '';
if ( $this->search_term ) {
$searches = array();
$search_sql = 'AND (';
foreach ( array('user_login', 'user_nicename', 'user_email', 'user_url', 'display_name') as $col )
$searches[] = $col . " LIKE '%$this->search_term%'";
$search_sql .= implode(' OR ', $searches);
$search_sql .= ')';
}
$this->query_from_where = "FROM $wpdb->users";
if ( $this->role )
$this->query_from_where .= $wpdb->prepare(" INNER JOIN $wpdb->usermeta ON $wpdb->users.ID = $wpdb->usermeta.user_id WHERE $wpdb->usermeta.meta_key = '{$wpdb->prefix}capabilities' AND $wpdb->usermeta.meta_value LIKE %s", '%' . $this->role . '%');
else
$this->query_from_where .= " WHERE 1=1";
$this->query_from_where .= " $search_sql";
}
/**
* {@internal Missing Short Description}}
*
* {@internal Missing Long Description}}
*
* @since unknown
* @access public
*/
function query() {
global $wpdb;
$this->results = $wpdb->get_col('SELECT ID ' . $this->query_from_where . $this->query_sort . $this->query_limit);
if ( $this->results )
$this->total_users_for_query = $wpdb->get_var('SELECT COUNT(ID) ' . $this->query_from_where); // no limit
else
$this->search_errors = new WP_Error('no_matching_users_found', __('No matching users were found!'));
}
/**
* {@internal Missing Short Description}}
*
* {@internal Missing Long Description}}
*
* @since unknown
* @access public
*/
function prepare_vars_for_template_usage() {
$this->search_term = stripslashes($this->search_term); // done with DB, from now on we want slashes gone
}
/**
* {@internal Missing Short Description}}
*
* {@internal Missing Long Description}}
*
* @since unknown
* @access public
*/
function do_paging() {
if ( $this->total_users_for_query > $this->users_per_page ) { // have to page the results
$args = array();
if( ! empty($this->search_term) )
$args['usersearch'] = urlencode($this->search_term);
if( ! empty($this->role) )
$args['role'] = urlencode($this->role);
$this->paging_text = paginate_links( array(
'total' => ceil($this->total_users_for_query / $this->users_per_page),
'current' => $this->page,
'base' => 'users.php?%_%',
'format' => 'userspage=%#%',
'add_args' => $args
) );
if ( $this->paging_text ) {
$this->paging_text = sprintf( '<span class="displaying-num">' . __( 'Displaying %s–%s of %s' ) . '</span>%s',
number_format_i18n( ( $this->page - 1 ) * $this->users_per_page + 1 ),
number_format_i18n( min( $this->page * $this->users_per_page, $this->total_users_for_query ) ),
number_format_i18n( $this->total_users_for_query ),
$this->paging_text
);
}
}
}
/**
* {@internal Missing Short Description}}
*
* {@internal Missing Long Description}}
*
* @since unknown
* @access public
*
* @return unknown
*/
function get_results() {
return (array) $this->results;
}
/**
* Displaying paging text.
*
* @see do_paging() Builds paging text.
*
* @since unknown
* @access public
*/
function page_links() {
echo $this->paging_text;
}
/**
* Whether paging is enabled.
*
* @see do_paging() Builds paging text.
*
* @since unknown
* @access public
*
* @return bool
*/
function results_are_paged() {
if ( $this->paging_text )
return true;
return false;
}
/**
* Whether there are search terms.
*
* @since unknown
* @access public
*
* @return bool
*/
function is_search() {
if ( $this->search_term )
return true;
return false;
}
}
endif;
add_action('admin_init', 'default_password_nag_handler');
function default_password_nag_handler($errors = false) {
global $user_ID;
if ( ! get_usermeta($user_ID, 'default_password_nag') ) //Short circuit it.
return;
//get_user_setting = JS saved UI setting. else no-js-falback code.
if ( 'hide' == get_user_setting('default_password_nag') || isset($_GET['default_password_nag']) && '0' == $_GET['default_password_nag'] ) {
delete_user_setting('default_password_nag');
update_usermeta($user_ID, 'default_password_nag', false);
}
}
add_action('profile_update', 'default_password_nag_edit_user', 10, 2);
function default_password_nag_edit_user($user_ID, $old_data) {
global $user_ID;
if ( ! get_usermeta($user_ID, 'default_password_nag') ) //Short circuit it.
return;
$new_data = get_userdata($user_ID);
if ( $new_data->user_pass != $old_data->user_pass ) { //Remove the nag if the password has been changed.
delete_user_setting('default_password_nag');
update_usermeta($user_ID, 'default_password_nag', false);
}
}
add_action('admin_notices', 'default_password_nag');
function default_password_nag() {
global $user_ID;
if ( ! get_usermeta($user_ID, 'default_password_nag') )
return;
echo '<div class="error default-password-nag"><p>';
printf(__("Notice: you're using the auto-generated password for your account. Would you like to change it to something you'll remember easier?<br />
<a href='%s'>Yes, Take me to my profile page</a> | <a href='%s' id='default-password-nag-no'>No Thanks, Do not remind me again.</a>"), admin_url('profile.php') . '#password', '?default_password_nag=0');
echo '</p></div>';
}
?>