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Editing: user.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 or WP_Error on failure. */ function edit_user( $user_id = 0 ) { $wp_roles = wp_roles(); $user = new stdClass(); $user_id = (int) $user_id; if ( $user_id ) { $update = true; $user->ID = $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( wp_unslash( $_POST['user_login'] ), true ); } $errors = new WP_Error(); $pass1 = ''; $pass2 = ''; if ( isset( $_POST['pass1'] ) ) { $pass1 = trim( $_POST['pass1'] ); } if ( isset( $_POST['pass2'] ) ) { $pass2 = trim( $_POST['pass2'] ); } if ( isset( $_POST['role'] ) && current_user_can( 'promote_users' ) && ( ! $user_id || current_user_can( 'promote_user', $user_id ) ) ) { $new_role = sanitize_text_field( $_POST['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( __( 'Sorry, you are not allowed to give users that role.' ), 403 ); } $potential_role = $wp_roles->role_objects[ $new_role ] ?? false; /* * Don't let anyone with 'promote_users' edit their own role to something without it. * Multisite super admins can freely edit their roles, they possess all caps. */ if ( ( is_multisite() && current_user_can( 'manage_network_users' ) ) || get_current_user_id() !== $user_id || ( $potential_role && $potential_role->has_cap( 'promote_users' ) ) ) { $user->role = $new_role; } } if ( isset( $_POST['email'] ) ) { $maybe_email = wp_unslash( $_POST['email'] ); if ( is_string( $maybe_email ) && is_email( $maybe_email ) ) { $user->user_email = $maybe_email; } else { $errors->add( 'invalid_email', __( '<strong>Error:</strong> The email address is not correct.' ), array( 'form-field' => 'email' ) ); } } if ( isset( $_POST['url'] ) ) { if ( empty( $_POST['url'] ) || 'http://' === $_POST['url'] ) { $user->user_url = ''; } else { $user->user_url = sanitize_url( $_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 ( isset( $_POST['locale'] ) ) { $locale = sanitize_text_field( $_POST['locale'] ); if ( 'site-default' === $locale ) { $locale = ''; } elseif ( '' === $locale ) { $locale = 'en_US'; } elseif ( ! in_array( $locale, get_available_languages(), true ) ) { if ( current_user_can( 'install_languages' ) && wp_can_install_language_pack() ) { if ( ! wp_download_language_pack( $locale ) ) { $locale = ''; } } else { $locale = ''; } } $user->locale = $locale; } if ( $update ) { $user->rich_editing = isset( $_POST['rich_editing'] ) && 'false' === $_POST['rich_editing'] ? 'false' : 'true'; $user->syntax_highlighting = isset( $_POST['syntax_highlighting'] ) && 'false' === $_POST['syntax_highlighting'] ? 'false' : 'true'; $user->infinite_scrolling = isset( $_POST['infinite_scrolling'] ) && 'false' === $_POST['infinite_scrolling'] ? 'false' : 'true'; $user->admin_color = isset( $_POST['admin_color'] ) ? sanitize_text_field( $_POST['admin_color'] ) : 'modern'; $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; } /* checking that username has been typed */ if ( '' === $user->user_login ) { $errors->add( 'user_login', __( '<strong>Error:</strong> Please enter a username.' ) ); } /* checking that nickname has been typed */ if ( $update && empty( $user->nickname ) ) { $errors->add( 'nickname', __( '<strong>Error:</strong> Please enter a nickname.' ) ); } /** * 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 ) ); // Check for blank password when adding a user. if ( ! $update && empty( $pass1 ) ) { $errors->add( 'pass', __( '<strong>Error:</strong> Please enter a password.' ), array( 'form-field' => 'pass1' ) ); } // Check for "\" in password. if ( str_contains( 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 ( ( $update || ! empty( $pass1 ) ) && $pass1 !== $pass2 ) { $errors->add( 'pass', __( '<strong>Error:</strong> Passwords do not match. Please enter the same password in both 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.' ) ); } /** This filter is documented in wp-includes/user.php */ $illegal_logins = (array) apply_filters( 'illegal_user_logins', array() ); if ( in_array( strtolower( $user->user_login ), array_map( 'strtolower', $illegal_logins ), true ) ) { $errors->add( 'invalid_username', __( '<strong>Error:</strong> Sorry, that username is not allowed.' ) ); } // 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 is not correct.' ), array( 'form-field' => 'email' ) ); } else { $owner_id = email_exists( $user->user_email ); if ( $owner_id && ( ! $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 stdClass $user User object (passed by reference). */ do_action_ref_array( 'user_profile_update_errors', array( &$errors, $update, &$user ) ); if ( $errors->has_errors() ) { return $errors; } if ( $update ) { $user_id = wp_update_user( $user ); } else { $user_id = wp_insert_user( $user ); $notify = isset( $_POST['send_user_notification'] ) ? 'both' : 'admin'; /** * Fires after a new user has been created. * * @since 4.4.0 * * @param int|WP_Error $user_id ID of the newly created user or WP_Error on failure. * @param string $notify Type of notification that should happen. See * wp_send_new_user_notifications() for more information. */ do_action( 'edit_user_created_user', $user_id, $notify ); } return $user_id; } /** * Fetch a filtered list of user roles that the current user is * allowed to edit. * * Simple function whose 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[] Array of arrays containing role information. */ function get_editable_roles() { $all_roles = wp_roles()->roles; /** * Filters the list of editable roles. * * @since 2.8.0 * * @param array[] $all_roles Array of arrays containing role information. */ $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|false 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 WordPress database abstraction object. * * @param int $user_id User ID. * @return object[] The user's draft posts, with 'ID' and 'post_title' keys. */ 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 ); /** * Filters the SQL query string for the user's drafts query. * * @since 2.0.0 * * @param string $query The user's drafts query string. */ $query = apply_filters( 'get_users_drafts', $query ); return $wpdb->get_results( $query ); } /** * Delete user and optionally reassign posts and links to another user. * * Note that on a Multisite installation the user only gets removed from the site * and does not get deleted from the database. * * If the `$reassign` parameter is not assigned to a user ID, then all posts will * be deleted of that user. The action {@see '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 WordPress database abstraction object. * * @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; if ( ! is_numeric( $id ) ) { return false; } $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) $reassign; } /** * Fires immediately before a user is deleted from the site. * * Note that on a Multisite installation the user only gets removed from the site * and does not get deleted from the database. * * @since 2.0.0 * @since 5.5.0 Added the `$user` parameter. * * @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. * @param WP_User $user WP_User object of the user to delete. */ do_action( 'delete_user', $id, $reassign, $user ); 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; } } /** * Filters the list of post types to delete with a user. * * @since 3.4.0 * * @param string[] $post_types_to_delete Array of 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( $user ); /** * Fires immediately after a user is deleted from the site. * * Note that on a Multisite installation the user may not have been deleted from * the database depending on whether `wp_delete_user()` or `wpmu_delete_user()` * was called. * * @since 2.9.0 * @since 5.5.0 Added the `$user` parameter. * * @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. * @param WP_User $user WP_User object of the deleted user. */ do_action( 'deleted_user', $id, $reassign, $user ); 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 Current 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_meta( $user_ID, 'default_password_nag', false ); } } /** * @since 2.8.0 * * @param int $user_ID User ID. * @param WP_User $old_data The user object before the update. */ 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_meta( $user_ID, 'default_password_nag', false ); } } /** * @since 2.8.0 * * @global string $pagenow The filename of the current screen. */ function default_password_nag() { global $pagenow; // Short-circuit it. if ( 'profile.php' === $pagenow || ! get_user_option( 'default_password_nag' ) ) { return; } $default_password_nag_message = sprintf( '<p><strong>%1$s</strong> %2$s</p>', __( 'Notice:' ), __( 'You are using the auto-generated password for your account. Would you like to change it?' ) ); $default_password_nag_message .= sprintf( '<p><a href="%1$s">%2$s</a> | ', esc_url( get_edit_profile_url() . '#password' ), __( 'Yes, take me to my profile page' ) ); $default_password_nag_message .= sprintf( '<a href="%1$s" id="default-password-nag-no">%2$s</a></p>', '?default_password_nag=0', __( 'No thanks, do not remind me again' ) ); wp_admin_notice( $default_password_nag_message, array( 'additional_classes' => array( 'error', 'default-password-nag' ), 'paragraph_wrap' => false, ) ); } /** * Optional SSL preference that can be turned on by hooking to the 'personal_options' action. * * See the {@see 'personal_options'} action. * * @since 2.7.0 * * @param WP_User $user User data object. */ function use_ssl_preference( $user ) { ?> <tr class="user-use-ssl-wrap"> <th scope="row"><?php _e( 'Use https' ); ?></th> <td><label for="use_ssl"><input name="use_ssl" type="checkbox" id="use_ssl" value="1" <?php checked( '1', $user->use_ssl ); ?> /> <?php _e( 'Always use https when visiting the admin' ); ?></label></td> </tr> <?php } /** * @since MU (3.0.0) * * @param string $text The email body text. * @return string User site invitation email message. */ function admin_created_user_email( $text ) { $roles = get_editable_roles(); $role = $roles[ $_REQUEST['role'] ]; if ( '' !== get_bloginfo( 'name' ) ) { $site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ); } else { $site_title = parse_url( home_url(), PHP_URL_HOST ); } return sprintf( /* translators: 1: Site title, 2: Site URL, 3: User role. */ __( 'Hi, You\'ve been invited to join \'%1$s\' at %2$s with the role of %3$s. If you do not want to join this site please ignore this email. This invitation will expire in a few days. Please click the following link to activate your user account: %%s' ), $site_title, home_url(), wp_specialchars_decode( translate_user_role( $role['name'] ) ) ); } /** * Checks if the Authorize Application Password request is valid. * * @since 5.6.0 * @since 6.2.0 Allow insecure HTTP connections for the local environment. * @since 6.3.2 Validates the success and reject URLs to prevent `javascript` pseudo protocol from being executed. * * @param array $request { * The array of request data. All arguments are optional and may be empty. * * @type string $app_name The suggested name of the application. * @type string $app_id A UUID provided by the application to uniquely identify it. * @type string $success_url The URL the user will be redirected to after approving the application. * @type string $reject_url The URL the user will be redirected to after rejecting the application. * } * @param WP_User $user The user authorizing the application. * @return true|WP_Error True if the request is valid, a WP_Error object contains errors if not. */ function wp_is_authorize_application_password_request_valid( $request, $user ) { $error = new WP_Error(); if ( isset( $request['success_url'] ) ) { $validated_success_url = wp_is_authorize_application_redirect_url_valid( $request['success_url'] ); if ( is_wp_error( $validated_success_url ) ) { $error->add( $validated_success_url->get_error_code(), $validated_success_url->get_error_message() ); } } if ( isset( $request['reject_url'] ) ) { $validated_reject_url = wp_is_authorize_application_redirect_url_valid( $request['reject_url'] ); if ( is_wp_error( $validated_reject_url ) ) { $error->add( $validated_reject_url->get_error_code(), $validated_reject_url->get_error_message() ); } } if ( ! empty( $request['app_id'] ) && ! wp_is_uuid( $request['app_id'] ) ) { $error->add( 'invalid_app_id', __( 'The application ID must be a UUID.' ) ); } /** * Fires before application password errors are returned. * * @since 5.6.0 * * @param WP_Error $error The error object. * @param array $request The array of request data. * @param WP_User $user The user authorizing the application. */ do_action( 'wp_authorize_application_password_request_errors', $error, $request, $user ); if ( $error->has_errors() ) { return $error; } return true; } /** * Validates the redirect URL protocol scheme. * * The `http` scheme is allowed for loopback IP addresses (127.0.0.1, [::1]) * and local environments. The `javascript` and `data` protocols are always rejected. * * @since 6.3.2 * * @param string $url The redirect URL to be validated. * @return true|WP_Error True if the redirect URL is valid, a WP_Error object otherwise. */ function wp_is_authorize_application_redirect_url_valid( $url ) { $bad_protocols = array( 'javascript', 'data' ); if ( empty( $url ) ) { return true; } // Based on https://www.rfc-editor.org/rfc/rfc2396#section-3.1 $valid_scheme_regex = '/^[a-zA-Z][a-zA-Z0-9+.-]*:/'; if ( ! preg_match( $valid_scheme_regex, $url ) ) { return new WP_Error( 'invalid_redirect_url_format', __( 'Invalid URL format.' ) ); } /** * Filters the list of invalid protocols used in applications redirect URLs. * * @since 6.3.2 * * @param string[] $bad_protocols Array of invalid protocols. * @param string $url The redirect URL to be validated. */ $invalid_protocols = apply_filters( 'wp_authorize_application_redirect_url_invalid_protocols', $bad_protocols, $url ); $invalid_protocols = array_map( 'strtolower', $invalid_protocols ); $scheme = wp_parse_url( $url, PHP_URL_SCHEME ); $host = wp_parse_url( $url, PHP_URL_HOST ); $is_local = 'local' === wp_get_environment_type(); // Validates if the proper URI format is applied to the URL. if ( empty( $host ) || empty( $scheme ) || in_array( strtolower( $scheme ), $invalid_protocols, true ) ) { return new WP_Error( 'invalid_redirect_url_format', __( 'Invalid URL format.' ) ); } // Allow insecure HTTP connections to locally hosted applications. $is_loopback = in_array( strtolower( $host ), array( '127.0.0.1', '[::1]' ), true ); if ( 'http' === $scheme && ! $is_local && ! $is_loopback ) { return new WP_Error( 'invalid_redirect_scheme', __( 'The URL must be served over a secure connection.' ) ); } return true; }
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