Forked from jamesmorrison/wordpress-user-security.php
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May 10, 2018 15:47
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<?php | |
/** | |
* Plugin Name: User Security | |
* Description: Hides login errors, disables author archives (to hide usernames), changes author links to title => sitename / URL => homepage | |
* Version: 1.0.1 | |
* Author: James Morrison, Edd Hurst | |
* Author URI: https://james.morrison.me/ | |
*/ | |
/** | |
* Security Check | |
* | |
* @since 1.0.0 | |
*/ | |
if ( ! defined( 'ABSPATH' ) ) { | |
exit; // Exit if accessed directly. | |
} | |
/** | |
* Remove REST endpoint, to prevent user identification via the REST API | |
* | |
* @since 1.0.1 | |
*/ | |
add_filter( | |
'rest_endpoints', function( $endpoints ) { | |
if ( isset( $endpoints['/wp/v2/users'] ) ) { | |
unset( $endpoints['/wp/v2/users'] ); | |
} | |
if ( isset( $endpoints['/wp/v2/users/(?P<id>[\d]+)'] ) ) { | |
unset( $endpoints['/wp/v2/users/(?P<id>[\d]+)'] ); | |
} | |
return $endpoints; | |
} | |
); | |
/** | |
* Stop the redirect to "pretty permalinks" - i.e. ?author={ID} redirect to /author/{username} | |
* | |
* @since 1.0.0 | |
*/ | |
add_filter( | |
'redirect_canonical', function( $redirect_url, $requested_url ) { | |
if ( is_author() || ( ! empty( $_GET['author'] ) && preg_match( '|^[0-9]+$|', esc_attr( wp_unslash( $_GET['author'] ) ) ) ) ) { | |
return false; | |
} | |
return $redirect_url; | |
}, 1, 2 | |
); | |
/** | |
* Show a 404 template instead of author template | |
* | |
* @since 1.0.0 | |
*/ | |
add_filter( | |
'template_include', function( $template ) { | |
if ( is_author() || ( ! empty( $_GET['author'] ) && preg_match( '|^[0-9]+$|', esc_attr( wp_unslash( $_GET['author'] ) ) ) ) ) { | |
status_header( 404 ); | |
return get_404_template(); | |
} | |
return $template; | |
}, 1, 1 | |
); | |
/** | |
* Force author page title to use 404 page title from Yoast, rather than default Author page title. | |
* | |
* @since 1.0.1 | |
*/ | |
add_filter( | |
'wpseo_title', function ( $title ) { | |
if ( is_author() || ( ! empty( $_GET['author'] ) && preg_match( '|^[0-9]+$|', esc_attr( wp_unslash( $_GET['author'] ) ) ) ) ) { | |
$seo_titles = get_option( 'wpseo_titles' ); | |
if ( $seo_titles && function_exists( 'wpseo_replace_vars' ) ) { | |
$title = wpseo_replace_vars( $seo_titles['title-404-wpseo'], '', array() ); | |
} | |
} | |
return $title; | |
} | |
); | |
/** | |
* Change the author link to the homepage | |
* | |
* @since 1.0.0 | |
*/ | |
add_filter( | |
'author_link', function( $link, $author_id, $author_nicename ) { | |
return esc_url( home_url( '/' ) ); | |
}, 1, 3 | |
); | |
/** | |
* Change the author posts link to generic text / homepage link | |
* | |
* @since 1.0.0 | |
*/ | |
add_filter( | |
'the_author_posts_link', function( $link ) { | |
return '<a href="' . esc_url( home_url( '/' ) ) . '" title="' . get_bloginfo( 'name' ) . '">' . get_bloginfo( 'name' ) . '</a>'; | |
}, 1, 1 | |
); | |
/** | |
* Hide login errors; by default the error message give away whether the username was correct (and therefore the password was wrong) | |
* | |
* @since 1.0.0 | |
*/ | |
add_filter( | |
'login_errors', function() { | |
return 'You have entered an incorrect username or password.'; | |
}, 1 | |
); |
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