felixarntz/global-admin

<?php
/**
 * Add new user global administration panel.
 *
 * @package WPGlobalAdmin
 * @since 1.0.0
 */

/** Load WordPress Administration Bootstrap */
require_once( dirname( __FILE__ ) . '/admin.php' );

if ( ! is_multinetwork() ) {
    wp_die( __( 'Multinetwork support is not enabled.', 'wp-global-admin' ) );
}

if ( ! current_user_can( 'create_users' ) ) {
    wp_die( __( 'Sorry, you are not allowed to add users to this setup.', 'wp-global-admin' ) );
}

get_current_screen()->add_help_tab(
    array(
        'id'      => 'overview',
        'title'   => __( 'Overview' ),
        'content' => '<p>' . __( 'Add User will set up a new user account in the setup and send that person an email with username and password.', 'wp-global-admin' ) . '</p>',
    )
);

get_current_screen()->set_help_sidebar(
    '<p><strong>' . __( 'For more information:', 'wp-global-admin' ) . '</strong></p>' .
    '<p>' . __( '<a href="https://github.com/felixarntz/wp-global-admin/wiki/Global-Admin-Users-Screen" target="_blank">Documentation on Global Users</a>', 'wp-global-admin' ) . '</p>'
);

if ( isset( $_REQUEST['action'] ) && 'add-user' == $_REQUEST['action'] ) {
    check_admin_referer( 'add-user', '_wpnonce_add-user' );

    if ( ! is_array( $_POST['user'] ) ) {
        wp_die( __( 'Cannot create an empty user.' ) );
    }

    $user = wp_unslash( $_POST['user'] );

    $user_details = wpmu_validate_user_signup( $user['username'], $user['email'] );
    if ( is_wp_error( $user_details['errors'] ) && ! empty( $user_details['errors']->errors ) ) {
        $add_user_errors = $user_details['errors'];
    } else {
        $password = wp_generate_password( 12, false );
        $user_id  = wpmu_create_user( esc_html( strtolower( $user['username'] ) ), $password, sanitize_email( $user['email'] ) );

        if ( ! $user_id ) {
            $add_user_errors = new WP_Error( 'add_user_fail', __( 'Cannot add user.' ) );
        } else {
            /**
             * Fires after a new user has been created via the global user-new.php page.
             *
             * @since 1.0.0
             *
             * @param int $user_id ID of the newly created user.
             */
            do_action( 'global_user_new_created_user', $user_id );

            wp_redirect(
                add_query_arg(
                    array(
                        'update'  => 'added',
                        'user_id' => $user_id,
                    ), 'user-new.php'
                )
            );
            exit;
        }
    }
}

if ( isset( $_GET['update'] ) ) {
    $messages = array();
    if ( 'added' == $_GET['update'] ) {
        $edit_link = '';
        if ( isset( $_GET['user_id'] ) ) {
            $user_id_new = absint( $_GET['user_id'] );
            if ( $user_id_new ) {
                $edit_link = esc_url( add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ), get_edit_user_link( $user_id_new ) ) );
            }
        }

        if ( empty( $edit_link ) ) {
            $messages[] = __( 'User added.' );
        } else {
            /* translators: %s: edit page url */
            $messages[] = sprintf( __( 'User added. <a href="%s">Edit user</a>' ), $edit_link );
        }
    }
}

$title       = __( 'Add New User' );
$parent_file = 'users.php';

require( ABSPATH . 'wp-admin/admin-header.php' ); ?>

<div class="wrap">
<h1 id="add-new-user"><?php _e( 'Add New User' ); ?></h1>
<?php
if ( ! empty( $messages ) ) {
    foreach ( $messages as $msg ) {
        echo '<div id="message" class="updated notice is-dismissible"><p>' . $msg . '</p></div>';
    }
}

if ( isset( $add_user_errors ) && is_wp_error( $add_user_errors ) ) {
?>
    <div class="error">
        <?php
        foreach ( $add_user_errors->get_error_messages() as $message ) {
            echo "<p>$message</p>";
        }
        ?>
    </div>
<?php } ?>
    <form action="<?php echo global_admin_url( 'user-new.php?action=add-user' ); ?>" id="adduser" method="post" novalidate="novalidate">
    <table class="form-table">
        <tr class="form-field form-required">
            <th scope="row"><label for="username"><?php _e( 'Username' ); ?></label></th>
            <td><input type="text" class="regular-text" name="user[username]" id="username" autocapitalize="none" autocorrect="off" maxlength="60" /></td>
        </tr>
        <tr class="form-field form-required">
            <th scope="row"><label for="email"><?php _e( 'Email' ); ?></label></th>
            <td><input type="email" class="regular-text" name="user[email]" id="email"/></td>
        </tr>
        <tr class="form-field">
            <td colspan="2"><?php _e( 'A password reset link will be sent to the user via email.' ); ?></td>
        </tr>
    </table>
    <?php
    /**
     * Fires at the end of the new user form in the Global Admin.
     *
     * @since 1.0.0
     */
    do_action( 'global_user_new_form' );

    wp_nonce_field( 'add-user', '_wpnonce_add-user' );
    submit_button( __( 'Add User' ), 'primary', 'add-user' );
    ?>
    </form>
</div>
<?php
require( ABSPATH . 'wp-admin/admin-footer.php' );