WordPress/wp-admin/includes/user.php
Helen Hou-Sandí 1f500055a6 Drop the hyphen from e-mail and standardize on email.
The AP Stylebook changed this in 2011, and we're woefully inconsistent, so let's go with the standard.

props morganestes, voldemortensen, niallkennedy (for patching on the previous AP style).
fixes #26156.

Built from https://develop.svn.wordpress.org/trunk@33774


git-svn-id: http://core.svn.wordpress.org/trunk@33742 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2015-08-28 03:17:21 +00:00

449 lines
15 KiB
PHP

<?php
/**
* WordPress user administration API.
*
* @package WordPress
* @subpackage Administration
*/
/**
* Creates a new user from the "Users" form using $_POST information.
*
* @since 2.0.0
*
* @return int|WP_Error WP_Error or User ID.
*/
function add_user() {
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 2.0.0
*
* @param int $user_id Optional. User ID.
* @return int|WP_Error user id of the updated user
*/
function edit_user( $user_id = 0 ) {
$wp_roles = wp_roles();
$user = new stdClass;
if ( $user_id ) {
$update = true;
$user->ID = (int) $user_id;
$userdata = get_userdata( $user_id );
$user->user_login = wp_slash( $userdata->user_login );
} else {
$update = false;
}
if ( !$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'] );
$potential_role = isset($wp_roles->role_objects[$new_role]) ? $wp_roles->role_objects[$new_role] : false;
// Don't let anyone with 'edit_users' (admins) edit their own role to something without it.
// Multisite super admins can freely edit their blog roles -- they possess all caps.
if ( ( is_multisite() && current_user_can( 'manage_sites' ) ) || $user_id != get_current_user_id() || ($potential_role && $potential_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 ( ! empty( $new_role ) && empty( $editable_roles[$new_role] ) )
wp_die(__('You can&#8217;t give users that role.'));
}
if ( isset( $_POST['email'] ))
$user->user_email = sanitize_text_field( wp_unslash( $_POST['email'] ) );
if ( isset( $_POST['url'] ) ) {
if ( empty ( $_POST['url'] ) || $_POST['url'] == 'http://' ) {
$user->user_url = '';
} else {
$user->user_url = esc_url_raw( $_POST['url'] );
$protocols = implode( '|', array_map( 'preg_quote', wp_allowed_protocols() ) );
$user->user_url = preg_match('/^(' . $protocols . '):/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_contact_methods( $user ) 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->show_admin_bar_front = isset( $_POST['admin_bar_front'] ) ? 'true' : 'false';
}
$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 */
/**
* Fires before the password and confirm password fields are checked for congruity.
*
* @since 1.5.1
*
* @param string $user_login The username.
* @param string &$pass1 The password, passed by reference.
* @param string &$pass2 The confirmed password, passed by reference.
*/
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( wp_unslash( $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 && isset( $_POST['user_login'] ) && !validate_username( $_POST['user_login'] ) )
$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is invalid because it uses illegal characters. Please enter a valid username.' ));
if ( !$update && username_exists( $user->user_login ) )
$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' ));
/* checking email address */
if ( empty( $user->user_email ) ) {
$errors->add( 'empty_email', __( '<strong>ERROR</strong>: Please enter an email address.' ), array( 'form-field' => 'email' ) );
} elseif ( !is_email( $user->user_email ) ) {
$errors->add( 'invalid_email', __( '<strong>ERROR</strong>: The email address isn&#8217;t correct.' ), array( 'form-field' => 'email' ) );
} elseif ( ( $owner_id = email_exists($user->user_email) ) && ( !$update || ( $owner_id != $user->ID ) ) ) {
$errors->add( 'email_exists', __('<strong>ERROR</strong>: This email is already registered, please choose another one.'), array( 'form-field' => 'email' ) );
}
/**
* Fires before user profile update errors are returned.
*
* @since 2.8.0
*
* @param WP_Error &$errors WP_Error object, passed by reference.
* @param bool $update Whether this is a user update.
* @param WP_User &$user WP_User object, passed by reference.
*/
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( $user );
} else {
$user_id = wp_insert_user( $user );
wp_new_user_notification( $user_id, 'both' );
}
return $user_id;
}
/**
* 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
* inappropriate 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 2.8.0
*
* @return array
*/
function get_editable_roles() {
$all_roles = wp_roles()->roles;
/**
* Filter the list of editable roles.
*
* @since 2.8.0
*
* @param array $all_roles List of roles.
*/
$editable_roles = apply_filters( 'editable_roles', $all_roles );
return $editable_roles;
}
/**
* Retrieve user data and filter it.
*
* @since 2.0.5
*
* @param int $user_id User ID.
* @return WP_User|bool WP_User object on success, false on failure.
*/
function get_user_to_edit( $user_id ) {
$user = get_userdata( $user_id );
if ( $user )
$user->filter = 'edit';
return $user;
}
/**
* Retrieve the user's drafts.
*
* @since 2.0.0
*
* @global wpdb $wpdb
*
* @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);
/**
* Filter the user's drafts query string.
*
* @since 2.0.0
*
* @param string $query The user's drafts query string.
*/
$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 a 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 2.0.0
*
* @global wpdb $wpdb
*
* @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 = null ) {
global $wpdb;
$id = (int) $id;
$user = new WP_User( $id );
if ( !$user->exists() )
return false;
// Normalize $reassign to null or a user ID. 'novalue' was an older default.
if ( 'novalue' === $reassign ) {
$reassign = null;
} elseif ( null !== $reassign ) {
$reassign = (int) $reassign;
}
/**
* Fires immediately before a user is deleted from the database.
*
* @since 2.0.0
*
* @param int $id ID of the user to delete.
* @param int|null $reassign ID of the user to reassign posts and links to.
* Default null, for no reassignment.
*/
do_action( 'delete_user', $id, $reassign );
if ( null === $reassign ) {
$post_types_to_delete = array();
foreach ( get_post_types( array(), 'objects' ) as $post_type ) {
if ( $post_type->delete_with_user ) {
$post_types_to_delete[] = $post_type->name;
} elseif ( null === $post_type->delete_with_user && post_type_supports( $post_type->name, 'author' ) ) {
$post_types_to_delete[] = $post_type->name;
}
}
/**
* Filter the list of post types to delete with a user.
*
* @since 3.4.0
*
* @param array $post_types_to_delete Post types to delete.
* @param int $id User ID.
*/
$post_types_to_delete = apply_filters( 'post_types_to_delete_with_user', $post_types_to_delete, $id );
$post_types_to_delete = implode( "', '", $post_types_to_delete );
$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d AND post_type IN ('$post_types_to_delete')", $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 {
$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
$wpdb->update( $wpdb->posts, array('post_author' => $reassign), array('post_author' => $id) );
if ( ! empty( $post_ids ) ) {
foreach ( $post_ids as $post_id )
clean_post_cache( $post_id );
}
$link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
$wpdb->update( $wpdb->links, array('link_owner' => $reassign), array('link_owner' => $id) );
if ( ! empty( $link_ids ) ) {
foreach ( $link_ids as $link_id )
clean_bookmark_cache( $link_id );
}
}
// FINALLY, delete user
if ( is_multisite() ) {
remove_user_from_blog( $id, get_current_blog_id() );
} else {
$meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
foreach ( $meta as $mid )
delete_metadata_by_mid( 'user', $mid );
$wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
}
clean_user_cache( $user );
/**
* Fires immediately after a user is deleted from the database.
*
* @since 2.9.0
*
* @param int $id ID of the deleted user.
* @param int|null $reassign ID of the user to reassign posts and links to.
* Default null, for no reassignment.
*/
do_action( 'deleted_user', $id, $reassign );
return true;
}
/**
* Remove all capabilities from user.
*
* @since 2.1.0
*
* @param int $id User ID.
*/
function wp_revoke_user($id) {
$id = (int) $id;
$user = new WP_User($id);
$user->remove_all_caps();
}
/**
* @since 2.8.0
*
* @global int $user_ID
*
* @param false $errors Deprecated.
*/
function default_password_nag_handler($errors = false) {
global $user_ID;
// Short-circuit it.
if ( ! get_user_option('default_password_nag') )
return;
// get_user_setting = JS saved UI setting. else no-js-fallback code.
if ( 'hide' == get_user_setting('default_password_nag') || isset($_GET['default_password_nag']) && '0' == $_GET['default_password_nag'] ) {
delete_user_setting('default_password_nag');
update_user_option($user_ID, 'default_password_nag', false, true);
}
}
/**
* @since 2.8.0
*
* @param int $user_ID
* @param object $old_data
*/
function default_password_nag_edit_user($user_ID, $old_data) {
// Short-circuit it.
if ( ! get_user_option('default_password_nag', $user_ID) )
return;
$new_data = get_userdata($user_ID);
// Remove the nag if the password has been changed.
if ( $new_data->user_pass != $old_data->user_pass ) {
delete_user_setting('default_password_nag');
update_user_option($user_ID, 'default_password_nag', false, true);
}
}
/**
* @since 2.8.0
*
* @global string $pagenow
*/
function default_password_nag() {
global $pagenow;
// Short-circuit it.
if ( 'profile.php' == $pagenow || ! get_user_option('default_password_nag') )
return;
echo '<div class="error default-password-nag">';
echo '<p>';
echo '<strong>' . __('Notice:') . '</strong> ';
_e('You&rsquo;re using the auto-generated password for your account. Would you like to change it?');
echo '</p><p>';
printf( '<a href="%s">' . __('Yes, take me to my profile page') . '</a> | ', get_edit_profile_url() . '#password' );
printf( '<a href="%s" id="default-password-nag-no">' . __('No thanks, do not remind me again') . '</a>', '?default_password_nag=0' );
echo '</p></div>';
}