| 1 |
<?php |
| 2 |
/* |
| 3 |
* Plugin Name: Block wp-login |
| 4 |
* Version: 1.5.7 |
| 5 |
* Requires at least: 5.0 |
| 6 |
* Requires PHP: 7.0 |
| 7 |
* Plugin URI: https://webd.uk/support/ |
| 8 |
* Description: Blocks direct access to wp-login.php and replaces it with a secret login URL to reduce brute-force traffic on Apache servers. |
| 9 |
* Author: Webd Ltd |
| 10 |
* Author URI: https://webd.uk |
| 11 |
* License: GPLv2 or later |
| 12 |
* License URI: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
| 13 |
* Text Domain: block-wp-login |
| 14 |
*/ |
| 15 |
|
| 16 |
if (!defined('ABSPATH')) { |
| 17 |
exit(esc_html(__('This isn\'t the page you\'re looking for. Move along, move along.', 'block-wp-login'))); |
| 18 |
} |
| 19 |
|
| 20 |
if (!class_exists('bwpl_class')) { |
| 21 |
|
| 22 |
class bwpl_class { |
| 23 |
|
| 24 |
const VERSION = '1.5.7'; |
| 25 |
|
| 26 |
private $bwpl_new_slug = ''; |
| 27 |
|
| 28 |
public function bwpl_load() { |
| 29 |
|
| 30 |
add_action('admin_init', array($this, 'bwpl_configure_slug')); |
| 31 |
register_deactivation_hook(__FILE__, array($this, 'bwpl_uninstall')); |
| 32 |
|
| 33 |
if (get_option('bwpl_slug')) { |
| 34 |
|
| 35 |
if (get_option('bwpl_wp_version') !== get_bloginfo('version')) { |
| 36 |
|
| 37 |
add_action('admin_init', array($this, 'bwpl_new_wordpress_version')); |
| 38 |
|
| 39 |
} |
| 40 |
|
| 41 |
add_filter('login_url', array($this, 'bwpl_change_login_url'), 10, 3); |
| 42 |
add_filter('logout_url', array($this, 'bwpl_change_logout_url'), 10, 2); |
| 43 |
add_filter('wp_redirect', array($this, 'bwpl_change_login_redirect'), 10, 2); |
| 44 |
add_filter('logout_redirect', array($this, 'bwpl_change_logout_redirect'), 10, 3); |
| 45 |
add_filter('lostpassword_url', array($this, 'bwpl_change_lostpassword_url'), 10, 2); |
| 46 |
add_filter('register_url', array($this, 'bwpl_change_register_url')); |
| 47 |
add_filter('site_url', array($this, 'bwpl_change_password_reset_url'), 10, 3); |
| 48 |
add_filter('network_site_url', array($this, 'bwpl_change_password_reset_url'), 10, 3); |
| 49 |
|
| 50 |
} else { |
| 51 |
|
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add_action('admin_notices', array($this, 'bwpl_setup_admin_notice')); |
| 53 |
|
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} |
| 55 |
|
| 56 |
if (is_admin()) { |
| 57 |
|
| 58 |
add_filter('plugin_action_links_' . plugin_basename(__FILE__), array($this, 'bwpl_add_plugin_action_links')); |
| 59 |
add_action('admin_notices', 'bwplCommon::admin_notices'); |
| 60 |
add_action('admin_notices', array($this, 'bwpl_daf_upgrade_notice')); |
| 61 |
add_action('wp_ajax_dismiss_bwpl_notice_handler', 'bwplCommon::ajax_notice_handler'); |
| 62 |
|
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} |
| 64 |
|
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add_action('wp_login', 'bwpl_class::wp_login', 10, 2); |
| 66 |
|
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} |
| 68 |
|
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function bwpl_add_plugin_action_links($links) { |
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|
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$settings_links = bwplCommon::plugin_action_links(admin_url('options-permalink.php')); |
| 72 |
|
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return array_merge($settings_links, $links); |
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|
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} |
| 76 |
|
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function bwpl_configure_slug() { |
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|
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if (isset($_POST['bwpl_nonce']) && wp_verify_nonce(sanitize_text_field(wp_unslash($_POST['bwpl_nonce'])), 'bwpl_slug_change') && isset($_POST['bwpl_slug']) && current_user_can('manage_options')) { |
| 80 |
|
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$this->bwpl_new_slug = trim(sanitize_key(wp_strip_all_tags(wp_unslash($_POST['bwpl_slug'])))); |
| 82 |
|
| 83 |
if ($this->bwpl_new_slug) { |
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|
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$notify = (isset($_POST['bwpl_notify']) && 'true' === $_POST['bwpl_notify']); |
| 86 |
$this->bwpl_uninstall(); |
| 87 |
$this->bwpl_install(false, $notify); |
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|
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} else { |
| 90 |
|
| 91 |
if (isset($_POST['bwpl_notify']) && 'true' === $_POST['bwpl_notify']) { |
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|
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$this->bwpl_send_emails(false); |
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|
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} |
| 96 |
|
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$this->bwpl_uninstall(); |
| 98 |
|
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} |
| 100 |
|
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update_option('bwpl_slug', $this->bwpl_new_slug); |
| 102 |
add_filter('login_url', array($this, 'bwpl_change_login_url'), 10, 3); |
| 103 |
add_filter('logout_url', array($this, 'bwpl_change_logout_url'), 10, 2); |
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add_filter('logout_redirect', array($this, 'bwpl_change_logout_redirect'), 10, 3); |
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add_filter('lostpassword_url', array($this, 'bwpl_change_lostpassword_url'), 10, 2); |
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add_filter('register_url', array($this, 'bwpl_change_register_url')); |
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add_filter('site_url', array($this, 'bwpl_change_password_reset_url'), 10, 3); |
| 108 |
add_filter('network_site_url', array($this, 'bwpl_change_password_reset_url'), 10, 3); |
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|
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$this->bwpl_refresh_daf_rules(); |
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|
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if ( |
| 113 |
isset($_POST['bwpl_unknown_admin']) && |
| 114 |
sanitize_text_field(wp_unslash($_POST['bwpl_unknown_admin'])) && |
| 115 |
isset($_POST['bwpl_known_ips']) && |
| 116 |
sanitize_textarea_field(wp_unslash($_POST['bwpl_known_ips'])) |
| 117 |
) { |
| 118 |
|
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$known_ips = preg_split('/\r\n|[\r\n]/', sanitize_textarea_field(wp_unslash($_POST['bwpl_known_ips']))); |
| 120 |
|
| 121 |
foreach ($known_ips AS $key => $known_ip) { |
| 122 |
|
| 123 |
if (!( |
| 124 |
filter_var($known_ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) || |
| 125 |
filter_var($known_ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) |
| 126 |
)) { |
| 127 |
|
| 128 |
unset($known_ips[$key]); |
| 129 |
|
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} |
| 131 |
|
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} |
| 133 |
|
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if ($known_ips) { |
| 135 |
|
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update_option('bwpl_known_ips', implode(PHP_EOL, $known_ips)); |
| 137 |
|
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} else { |
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|
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delete_option('bwpl_known_ips'); |
| 141 |
|
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} |
| 143 |
|
| 144 |
} else { |
| 145 |
|
| 146 |
delete_option('bwpl_known_ips'); |
| 147 |
|
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} |
| 149 |
|
| 150 |
} |
| 151 |
|
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add_settings_section('bwpl', _x('Block wp-login', 'UI Strings', 'block-wp-login'), array($this, 'bwpl_settings_title'), 'permalink'); |
| 153 |
add_settings_field('bwpl_slug', __('Login address', 'block-wp-login'), array($this, 'bwpl_settings_html'), 'permalink', 'bwpl', array('label_for' => 'bwpl_slug')); |
| 154 |
register_setting('permalink', 'bwpl_slug', 'strval'); |
| 155 |
|
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} |
| 157 |
|
| 158 |
function bwpl_settings_title() { |
| 159 |
|
| 160 |
?> |
| 161 |
<p><?php esc_html_e('Use the options below to completely block access to wp-login.php and create a new secret login address.', 'block-wp-login'); ?></p> |
| 162 |
<?php |
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|
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} |
| 165 |
|
| 166 |
function bwpl_settings_html() { |
| 167 |
|
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wp_nonce_field('bwpl_slug_change', 'bwpl_nonce'); |
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|
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$characters = 'abcdefghijklmnopqrstuvwxyz'; |
| 171 |
$randomString = ''; |
| 172 |
|
| 173 |
for ($i = 0; $i < 8; $i++) { |
| 174 |
|
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$randomString .= $characters[wp_rand(0, strlen($characters) - 1)]; |
| 176 |
|
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} |
| 178 |
|
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?> |
| 180 |
<input id="bwpl_slug" name="bwpl_slug" type="text" class="regular-text code" value="<?php echo esc_attr(get_option('bwpl_slug')); ?>" /> |
| 181 |
|
| 182 |
<script type="text/javascript"> |
| 183 |
jQuery('#bwpl_slug').change(function() { |
| 184 |
jQuery(this).val(jQuery(this).val().toLowerCase().replace(/[^a-z0-9]+/g,'')); |
| 185 |
if (jQuery(this).val().length !== 0) { |
| 186 |
alert(<?php echo wp_json_encode(__('WARNING! DO NOT LOCK YOURSELF OUT! Your new login address will be', 'block-wp-login') . ' ' . get_site_url() . '/'); ?> + jQuery(this).val() + '/'); |
| 187 |
} |
| 188 |
jQuery('#bwpl_notify').prop('checked', true); |
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}); |
| 190 |
</script> |
| 191 |
|
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<p><?php esc_html_e('To change your WordPress login address, enter your chosen slug above. Leave it blank to enable the default login address.', 'block-wp-login'); ?></p> |
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|
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<p><a href="javascript:void(0)" class="randomlogin"><?php echo esc_html(__('Click here', 'block-wp-login')); ?></a> <?php echo esc_html(__('to generate a random login address.', 'block-wp-login')); ?></p> |
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|
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<script type="text/javascript"> |
| 197 |
jQuery('.randomlogin').on('click',function() { |
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var result = '', |
| 199 |
characters = 'abcdefghijklmnopqrstuvwxyz'; |
| 200 |
for (var i = 0; i < 8; i++) { |
| 201 |
result += characters.charAt(Math.floor(Math.random() * characters.length)); |
| 202 |
} |
| 203 |
jQuery('#bwpl_slug').val(result); |
| 204 |
alert(<?php echo wp_json_encode(__('WARNING! DO NOT LOCK YOURSELF OUT! Your new login address will be', 'block-wp-login') . ' ' . get_site_url() . '/'); ?> + result + '/'); |
| 205 |
jQuery('#bwpl_notify').prop('checked', true); |
| 206 |
}); |
| 207 |
</script> |
| 208 |
|
| 209 |
<p><strong><?php esc_html_e('Current Login URL: ', 'block-wp-login'); ?></strong><?php |
| 210 |
|
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if (get_option('bwpl_slug')) { |
| 212 |
|
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echo esc_url(get_site_url(null, (get_option('bwpl_slug') . '/'))); |
| 214 |
|
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} else { |
| 216 |
|
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echo esc_url(get_site_url(null, 'wp-login.php')); |
| 218 |
|
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} ?></p> |
| 220 |
|
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<p><input id="bwpl_notify" name="bwpl_notify" type="checkbox" value="true"> <?php esc_html_e('Notify administrators about the new login URL.', 'block-wp-login'); ?></p> |
| 222 |
|
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<?php |
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|
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$known_ips = get_option('bwpl_known_ips'); |
| 226 |
|
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if (!$known_ips) { $known_ips = false; } |
| 228 |
|
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?> |
| 230 |
<p><input id="bwpl_unknown_admin" name="bwpl_unknown_admin" type="checkbox" value="true"<?php if ($known_ips) { echo ' checked'; } ?>> <?php esc_html_e('Notify site owner if an admin signs in with an unknown IP address (advanced)', 'block-wp-login'); ?></p> |
| 231 |
<p id="bwpl_known_ips_wrapper"<?php if (!$known_ips) { echo ' style="display: none;"'; } ?>><label for="bwpl_known_ips"><?php esc_html_e('Known IPs (one IP per line)', 'block-wp-login'); ?></label><br> |
| 232 |
<textarea name="bwpl_known_ips" id="bwpl_known_ips" class="large-text code" rows="5"><?php echo ($known_ips ? esc_html($known_ips) : esc_html(self::get_current_ip())); ?></textarea></p> |
| 233 |
<script type="text/javascript"> |
| 234 |
jQuery('#bwpl_unknown_admin').on('change',function() { |
| 235 |
jQuery('#bwpl_known_ips_wrapper').toggle(); |
| 236 |
}); |
| 237 |
</script> |
| 238 |
<?php |
| 239 |
|
| 240 |
if (!class_exists('daf_class')) { |
| 241 |
|
| 242 |
?> |
| 243 |
<p><strong><?php esc_html_e('Please Note: ', 'block-wp-login'); ?></strong><?php |
| 244 |
|
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echo wp_kses(sprintf( |
| 246 |
/* translators: link to plugin install page */ |
| 247 |
__('To lock down your website to only serve legitimate content, please take a look at our new plugin "%s".', 'block-wp-login'), |
| 248 |
'<a href="' . esc_url(add_query_arg(array('s' => 'deny-all-firewall+genuine', 'tab' => 'search', 'type' => 'term'), self_admin_url('plugin-install.php'))) . '" title="' . esc_attr(__('Deny All Firewall', 'block-wp-login')) . '">' . __('Deny All Firewall', 'block-wp-login') . '</a>' |
| 249 |
), 'post'); |
| 250 |
|
| 251 |
?></p> |
| 252 |
<?php |
| 253 |
|
| 254 |
} |
| 255 |
|
| 256 |
} |
| 257 |
|
| 258 |
function bwpl_send_emails($new_version) { |
| 259 |
|
| 260 |
$blogusers = get_users('role=Administrator'); |
| 261 |
$admin_emails = array(); |
| 262 |
|
| 263 |
foreach ($blogusers as $user) { |
| 264 |
if ($user->user_email) { |
| 265 |
$this->bwpl_send_email($user->user_email, $new_version); |
| 266 |
array_push($admin_emails, $user->user_email); |
| 267 |
} |
| 268 |
} |
| 269 |
|
| 270 |
if (get_bloginfo('admin_email') && !in_array(get_bloginfo('admin_email'),$admin_emails)) { |
| 271 |
$this->bwpl_send_email(get_bloginfo('admin_email'), $new_version); |
| 272 |
} |
| 273 |
|
| 274 |
} |
| 275 |
|
| 276 |
function bwpl_install($new_version = false, $notify = true) { |
| 277 |
|
| 278 |
global $wp_filesystem; |
| 279 |
|
| 280 |
if (!$wp_filesystem) { |
| 281 |
|
| 282 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 283 |
|
| 284 |
if (!WP_Filesystem()) { |
| 285 |
|
| 286 |
return false; |
| 287 |
|
| 288 |
} |
| 289 |
|
| 290 |
} |
| 291 |
|
| 292 |
if (!is_object($wp_filesystem)) { |
| 293 |
|
| 294 |
return false; |
| 295 |
|
| 296 |
} |
| 297 |
|
| 298 |
$home_path = bwplCommon::get_home_path(); |
| 299 |
$login_file = $home_path . 'wp-login.php'; |
| 300 |
|
| 301 |
if ($wp_filesystem->exists($login_file)) { |
| 302 |
|
| 303 |
$content = $wp_filesystem->get_contents($login_file); |
| 304 |
|
| 305 |
if (false === $content) { |
| 306 |
|
| 307 |
return false; |
| 308 |
|
| 309 |
} |
| 310 |
|
| 311 |
$content_chunks = explode('wp-login.php', $content); |
| 312 |
$content = implode($this->bwpl_new_slug . '-wp-login.php', $content_chunks); |
| 313 |
$new_login_file = $home_path . $this->bwpl_new_slug . '-wp-login.php'; |
| 314 |
|
| 315 |
if ((!$wp_filesystem->exists($new_login_file) && $wp_filesystem->is_writable($home_path)) || $wp_filesystem->is_writable($new_login_file)) { |
| 316 |
|
| 317 |
if (!$wp_filesystem->put_contents($new_login_file, $content, FS_CHMOD_FILE)) { |
| 318 |
|
| 319 |
return false; |
| 320 |
|
| 321 |
} |
| 322 |
|
| 323 |
} else { |
| 324 |
|
| 325 |
return false; |
| 326 |
|
| 327 |
} |
| 328 |
|
| 329 |
} else { |
| 330 |
|
| 331 |
return false; |
| 332 |
|
| 333 |
} |
| 334 |
|
| 335 |
$htaccess_file = $home_path . '.htaccess'; |
| 336 |
|
| 337 |
if ((!$wp_filesystem->exists($htaccess_file) && $wp_filesystem->is_writable($home_path)) || $wp_filesystem->is_writable($htaccess_file)) { |
| 338 |
|
| 339 |
$markerdata = $wp_filesystem->exists($htaccess_file) ? $wp_filesystem->get_contents($htaccess_file) : ''; |
| 340 |
|
| 341 |
if (false !== $markerdata) { |
| 342 |
|
| 343 |
$markerdata = explode("\n", $markerdata); |
| 344 |
$found = false; |
| 345 |
$newdata = ''; |
| 346 |
|
| 347 |
foreach ($markerdata as $line) { |
| 348 |
|
| 349 |
if (!$found) { |
| 350 |
|
| 351 |
$newdata .= "# BEGIN BlockWPLogin\n"; |
| 352 |
$newdata .= "<IfModule mod_rewrite.c>\n"; |
| 353 |
$newdata .= "RewriteEngine On\n"; |
| 354 |
|
| 355 |
$newdata .= "RewriteCond %{QUERY_STRING} \"^action=postpass$\" |
| 356 |
RewriteRule \"^" . str_replace('.', '\.', substr(site_url('wp-login.php', 'relative'), 1)) . "$\" " . str_replace('.', '\.', site_url($this->bwpl_new_slug . '-wp-login.php', 'relative')) . " [QSA,L] |
| 357 |
"; |
| 358 |
|
| 359 |
$newdata .= "RewriteRule \"^" . str_replace('.', '\.', substr(site_url('wp-login.php', 'relative'), 1)) . "\" - [F]\n"; |
| 360 |
$newdata .= "RewriteRule \"^$this->bwpl_new_slug\\/?$\" " . str_replace('.', '\.', site_url($this->bwpl_new_slug . '-wp-login.php', 'relative')) . " [R=301,QSA,L]\n"; |
| 361 |
$newdata .= "</IfModule>\n"; |
| 362 |
$newdata .= "# END BlockWPLogin\n\n"; |
| 363 |
$newdata .= "$line\n"; |
| 364 |
$found = true; |
| 365 |
|
| 366 |
} else { |
| 367 |
|
| 368 |
$newdata .= "$line\n"; |
| 369 |
|
| 370 |
} |
| 371 |
|
| 372 |
} |
| 373 |
|
| 374 |
if (!$wp_filesystem->put_contents($htaccess_file, $newdata, FS_CHMOD_FILE)) { |
| 375 |
|
| 376 |
return false; |
| 377 |
|
| 378 |
} |
| 379 |
|
| 380 |
} else { |
| 381 |
|
| 382 |
return false; |
| 383 |
|
| 384 |
} |
| 385 |
|
| 386 |
} else { |
| 387 |
|
| 388 |
return false; |
| 389 |
|
| 390 |
} |
| 391 |
|
| 392 |
update_option('bwpl_wp_version', get_bloginfo('version')); |
| 393 |
|
| 394 |
if ($new_version || $notify) { |
| 395 |
|
| 396 |
$this->bwpl_send_emails($new_version); |
| 397 |
|
| 398 |
} |
| 399 |
|
| 400 |
return true; |
| 401 |
|
| 402 |
} |
| 403 |
|
| 404 |
function bwpl_setup_admin_notice() { |
| 405 |
|
| 406 |
?> |
| 407 |
<div class="notice notice-success"> |
| 408 |
<p><?php |
| 409 |
/* translators: <strong> HTML tags */ |
| 410 |
echo wp_kses(sprintf(__('%1$sBlock wp-login%2$s activated. ', 'block-wp-login'),'<strong>','</strong>'), 'post'); ?><a href="<?php echo esc_url(admin_url('options-permalink.php')); ?>"><?php esc_html_e('Configure the plugin here.', 'block-wp-login'); ?></a></p> |
| 411 |
</div> |
| 412 |
<?php |
| 413 |
|
| 414 |
} |
| 415 |
|
| 416 |
function bwpl_uninstall() { |
| 417 |
|
| 418 |
global $wp_filesystem; |
| 419 |
|
| 420 |
if (!$wp_filesystem) { |
| 421 |
|
| 422 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 423 |
|
| 424 |
if (!WP_Filesystem()) { |
| 425 |
|
| 426 |
return false; |
| 427 |
|
| 428 |
} |
| 429 |
|
| 430 |
} |
| 431 |
|
| 432 |
if (!is_object($wp_filesystem)) { |
| 433 |
|
| 434 |
return false; |
| 435 |
|
| 436 |
} |
| 437 |
|
| 438 |
$home_path = bwplCommon::get_home_path(); |
| 439 |
$htaccess_file = $home_path . '.htaccess'; |
| 440 |
|
| 441 |
if ($wp_filesystem->exists($htaccess_file)) { |
| 442 |
|
| 443 |
if (!$wp_filesystem->is_writable($htaccess_file)) { |
| 444 |
|
| 445 |
return false; |
| 446 |
|
| 447 |
} |
| 448 |
|
| 449 |
$markerdata = $wp_filesystem->get_contents($htaccess_file); |
| 450 |
|
| 451 |
if (false === $markerdata) { |
| 452 |
|
| 453 |
return false; |
| 454 |
|
| 455 |
} |
| 456 |
|
| 457 |
$markerdata = explode("\n", $markerdata); |
| 458 |
$found = false; |
| 459 |
$blank_line = false; |
| 460 |
$newdata = ''; |
| 461 |
|
| 462 |
foreach ($markerdata as $line) { |
| 463 |
|
| 464 |
if ($blank_line && !$line) { |
| 465 |
|
| 466 |
$found = true; |
| 467 |
|
| 468 |
} |
| 469 |
|
| 470 |
if ($blank_line && $line) { |
| 471 |
|
| 472 |
$found = false; |
| 473 |
|
| 474 |
} |
| 475 |
|
| 476 |
if ($line) { |
| 477 |
|
| 478 |
$blank_line = false; |
| 479 |
|
| 480 |
} else { |
| 481 |
|
| 482 |
$blank_line = true; |
| 483 |
|
| 484 |
} |
| 485 |
|
| 486 |
if ('# BEGIN BlockWPLogin' === $line) { |
| 487 |
|
| 488 |
$found = true; |
| 489 |
|
| 490 |
} |
| 491 |
|
| 492 |
if (!$found) { |
| 493 |
|
| 494 |
$newdata .= "$line\n"; |
| 495 |
|
| 496 |
} |
| 497 |
|
| 498 |
if ('# END BlockWPLogin' === $line) { |
| 499 |
|
| 500 |
$found = false; |
| 501 |
|
| 502 |
} |
| 503 |
|
| 504 |
} |
| 505 |
|
| 506 |
if (!$wp_filesystem->put_contents($htaccess_file, $newdata, FS_CHMOD_FILE)) { |
| 507 |
|
| 508 |
return false; |
| 509 |
|
| 510 |
} |
| 511 |
|
| 512 |
} |
| 513 |
|
| 514 |
add_filter('logout_url', array($this, 'bwpl_reset_logout_url')); |
| 515 |
add_filter('logout_redirect', array($this, 'bwpl_reset_logout_url')); |
| 516 |
add_filter('lostpassword_url', array($this, 'bwpl_reset_logout_url')); |
| 517 |
|
| 518 |
$slug = get_option('bwpl_slug'); |
| 519 |
$login_file = $home_path . $slug . '-wp-login.php'; |
| 520 |
|
| 521 |
if ($slug && $wp_filesystem->exists($login_file)) { |
| 522 |
|
| 523 |
if (!$wp_filesystem->is_writable($login_file) || !$wp_filesystem->delete($login_file)) { |
| 524 |
|
| 525 |
return false; |
| 526 |
|
| 527 |
} |
| 528 |
|
| 529 |
} |
| 530 |
|
| 531 |
update_option('bwpl_slug', ''); |
| 532 |
|
| 533 |
$this->bwpl_refresh_daf_rules(); |
| 534 |
|
| 535 |
return true; |
| 536 |
|
| 537 |
} |
| 538 |
|
| 539 |
function bwpl_change_login_url($login_url, $redirect, $force_reauth) { |
| 540 |
|
| 541 |
if ( |
| 542 |
function_exists('is_user_logged_in') && |
| 543 |
( |
| 544 |
is_user_logged_in() || |
| 545 |
did_action('password_reset') || |
| 546 |
$this->bwpl_is_secret_login_request() |
| 547 |
) |
| 548 |
) { |
| 549 |
|
| 550 |
$login_url = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $login_url); |
| 551 |
|
| 552 |
} |
| 553 |
|
| 554 |
return $login_url; |
| 555 |
|
| 556 |
} |
| 557 |
|
| 558 |
function bwpl_change_logout_url($logout_url, $redirect) { |
| 559 |
|
| 560 |
if ( |
| 561 |
(function_exists('is_user_logged_in') && is_user_logged_in()) || |
| 562 |
$this->bwpl_is_secret_login_request() |
| 563 |
) { |
| 564 |
|
| 565 |
$logout_url = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $logout_url); |
| 566 |
|
| 567 |
} |
| 568 |
|
| 569 |
return $logout_url; |
| 570 |
|
| 571 |
} |
| 572 |
|
| 573 |
function bwpl_change_lostpassword_url($lostpassword_url, $redirect) { |
| 574 |
|
| 575 |
if ($this->bwpl_is_secret_login_request()) { |
| 576 |
|
| 577 |
$lostpassword_url = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $lostpassword_url); |
| 578 |
|
| 579 |
} |
| 580 |
|
| 581 |
return $lostpassword_url; |
| 582 |
|
| 583 |
} |
| 584 |
|
| 585 |
function bwpl_change_register_url($register_url) { |
| 586 |
|
| 587 |
if ($this->bwpl_is_secret_login_request()) { |
| 588 |
|
| 589 |
$register_url = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $register_url); |
| 590 |
|
| 591 |
} |
| 592 |
|
| 593 |
return $register_url; |
| 594 |
|
| 595 |
} |
| 596 |
|
| 597 |
function bwpl_change_password_reset_url($url, $path, $scheme) { |
| 598 |
|
| 599 |
if ( |
| 600 |
!is_string($path) || |
| 601 |
1 !== preg_match('/\Awp-login\.php\?login=[^&]+&key=[^&]+&action=rp\z/D', $path) |
| 602 |
) { |
| 603 |
|
| 604 |
return $url; |
| 605 |
|
| 606 |
} |
| 607 |
|
| 608 |
return preg_replace( |
| 609 |
'/\/wp-login\.php(?=\?|$)/', |
| 610 |
'/' . get_option('bwpl_slug') . '-wp-login.php', |
| 611 |
$url, |
| 612 |
1 |
| 613 |
); |
| 614 |
|
| 615 |
} |
| 616 |
|
| 617 |
function bwpl_change_login_redirect($location, $status) { |
| 618 |
|
| 619 |
$path = wp_parse_url($location, PHP_URL_PATH); |
| 620 |
$query = wp_parse_url($location, PHP_URL_QUERY); |
| 621 |
|
| 622 |
if ( |
| 623 |
!did_action('wp_login') || |
| 624 |
!is_string($path) || |
| 625 |
'/wp-login.php' !== substr($path, -13) || |
| 626 |
!is_string($query) |
| 627 |
) { |
| 628 |
|
| 629 |
return $location; |
| 630 |
|
| 631 |
} |
| 632 |
|
| 633 |
preg_match_all('/(?:^|&)action=([^&]*)/', $query, $action_matches); |
| 634 |
|
| 635 |
if ( |
| 636 |
1 === count($action_matches[1]) && |
| 637 |
'confirm_admin_email' === rawurldecode($action_matches[1][0]) |
| 638 |
) { |
| 639 |
|
| 640 |
$location = preg_replace( |
| 641 |
'/\/wp-login\.php(?=\?|$)/', |
| 642 |
'/' . get_option('bwpl_slug') . '-wp-login.php', |
| 643 |
$location, |
| 644 |
1 |
| 645 |
); |
| 646 |
|
| 647 |
} |
| 648 |
|
| 649 |
return $location; |
| 650 |
|
| 651 |
} |
| 652 |
|
| 653 |
function bwpl_change_logout_redirect($redirect_to, $requested_redirect_to, $user) { |
| 654 |
|
| 655 |
if ($user->ID) { |
| 656 |
|
| 657 |
$redirect_to = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $redirect_to); |
| 658 |
|
| 659 |
} |
| 660 |
|
| 661 |
return $redirect_to; |
| 662 |
|
| 663 |
} |
| 664 |
|
| 665 |
private function bwpl_is_secret_login_request() { |
| 666 |
|
| 667 |
if (empty($_SERVER['SCRIPT_FILENAME']) || !is_string($_SERVER['SCRIPT_FILENAME'])) { |
| 668 |
|
| 669 |
return false; |
| 670 |
|
| 671 |
} |
| 672 |
|
| 673 |
$script_filename = sanitize_text_field(wp_unslash($_SERVER['SCRIPT_FILENAME'])); |
| 674 |
$slug = get_option('bwpl_slug'); |
| 675 |
|
| 676 |
return $slug && $slug . '-wp-login.php' === basename($script_filename); |
| 677 |
|
| 678 |
} |
| 679 |
|
| 680 |
function bwpl_reset_logout_url($logout_url) { |
| 681 |
|
| 682 |
$logout_url = str_replace('/' . get_option('bwpl_slug') . '-wp-login.php', '/wp-login.php', $logout_url); |
| 683 |
|
| 684 |
return $logout_url; |
| 685 |
|
| 686 |
} |
| 687 |
|
| 688 |
function bwpl_send_email($recipient, $new_version) { |
| 689 |
|
| 690 |
if ($new_version) { |
| 691 |
|
| 692 |
$message = __('A recent WordPress core update has been detected and “Block wp-login” has been re-installed. Here is a reminder of your login address:', 'block-wp-login'); |
| 693 |
|
| 694 |
} else { |
| 695 |
|
| 696 |
$message = __('Your WordPress login address has been changed:', 'block-wp-login'); |
| 697 |
|
| 698 |
} |
| 699 |
|
| 700 |
$message .= "\r\n\r\n"; |
| 701 |
|
| 702 |
if ($this->bwpl_new_slug) { |
| 703 |
|
| 704 |
$message .= get_site_url(null, ($this->bwpl_new_slug . '/')) . "\r\n\r\n"; |
| 705 |
|
| 706 |
} else { |
| 707 |
|
| 708 |
$message .= get_site_url(null, 'wp-login.php') . "\r\n\r\n"; |
| 709 |
|
| 710 |
} |
| 711 |
|
| 712 |
$message .= __('Keep this link handy! Bookmarking it is the best way to ensure you never get locked out.', 'block-wp-login'); |
| 713 |
$message .= "\r\n\r\n---\r\n\r\n"; |
| 714 |
$message .= __('Does your site need a glow-up?', 'block-wp-login'); |
| 715 |
$message .= "\r\n"; |
| 716 |
$message .= __('Running slowly?', 'block-wp-login'); |
| 717 |
$message .= "\r\n"; |
| 718 |
$message .= __('Want new features?', 'block-wp-login'); |
| 719 |
$message .= "\r\n\r\n"; |
| 720 |
$message .= __('See how we can help', 'block-wp-login'); |
| 721 |
$message .= ' https://webd.uk'; |
| 722 |
|
| 723 |
if (is_multisite()) { |
| 724 |
|
| 725 |
$blogname = get_network()->site_name; |
| 726 |
|
| 727 |
} else { |
| 728 |
|
| 729 |
$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); |
| 730 |
|
| 731 |
} |
| 732 |
|
| 733 |
if ($new_version) { |
| 734 |
|
| 735 |
/* translators: website title */ |
| 736 |
$title = sprintf(__('[%s] WordPress Login Reminder', 'block-wp-login'), $blogname); |
| 737 |
|
| 738 |
} else { |
| 739 |
|
| 740 |
/* translators: website title */ |
| 741 |
$title = sprintf(__('[%s] WordPress Login Changed', 'block-wp-login'), $blogname); |
| 742 |
|
| 743 |
} |
| 744 |
|
| 745 |
if (!wp_mail($recipient, wp_specialchars_decode($title), $message)) { |
| 746 |
|
| 747 |
add_action('admin_notices', array($this, 'bwpl_admin_notice_email_html')); |
| 748 |
|
| 749 |
} |
| 750 |
|
| 751 |
} |
| 752 |
|
| 753 |
function bwpl_admin_notice_email_html() { |
| 754 |
|
| 755 |
?> |
| 756 |
<div class="notice notice-error"> |
| 757 |
<p><?php |
| 758 |
/* translators: <strong> HTML tags */ |
| 759 |
echo wp_kses(sprintf(__('%1$sBlock wp-login%2$s activated email could not be sent.', 'block-wp-login'),'<strong>','</strong>'), 'post'); ?></p> |
| 760 |
</div> |
| 761 |
<?php |
| 762 |
|
| 763 |
} |
| 764 |
|
| 765 |
function bwpl_new_wordpress_version() { |
| 766 |
|
| 767 |
if (self::is_server_overloaded()) { |
| 768 |
|
| 769 |
return; |
| 770 |
|
| 771 |
} |
| 772 |
|
| 773 |
if (self::acquire_lock()) { |
| 774 |
|
| 775 |
try { |
| 776 |
|
| 777 |
if (get_option('bwpl_wp_version') !== get_bloginfo('version')) { |
| 778 |
|
| 779 |
$bwpl_old_slug = get_option('bwpl_slug'); |
| 780 |
|
| 781 |
if ($this->bwpl_uninstall()) { |
| 782 |
|
| 783 |
$this->bwpl_new_slug = $bwpl_old_slug; |
| 784 |
$this->bwpl_install(true); |
| 785 |
update_option('bwpl_slug', $bwpl_old_slug); |
| 786 |
$this->bwpl_refresh_daf_rules(); |
| 787 |
|
| 788 |
} |
| 789 |
|
| 790 |
} |
| 791 |
|
| 792 |
} finally { |
| 793 |
|
| 794 |
usleep(500000); |
| 795 |
self::release_lock(); |
| 796 |
|
| 797 |
} |
| 798 |
|
| 799 |
} |
| 800 |
|
| 801 |
} |
| 802 |
|
| 803 |
public static function wp_login($user_login, $user) { |
| 804 |
|
| 805 |
if (user_can($user->ID, 'manage_options')) { |
| 806 |
|
| 807 |
$ip = self::get_current_ip(); |
| 808 |
|
| 809 |
if ($ip) { |
| 810 |
|
| 811 |
$known_ips = get_option('bwpl_known_ips'); |
| 812 |
|
| 813 |
if ($known_ips) { |
| 814 |
|
| 815 |
$known_ips = preg_split('/\r\n|[\r\n]/', $known_ips); |
| 816 |
|
| 817 |
if (!in_array($ip, $known_ips, true)) { |
| 818 |
|
| 819 |
if (is_multisite()) { |
| 820 |
|
| 821 |
$blogname = get_network()->site_name; |
| 822 |
|
| 823 |
} else { |
| 824 |
|
| 825 |
$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); |
| 826 |
|
| 827 |
} |
| 828 |
|
| 829 |
/* translators: website title */ |
| 830 |
$title = sprintf(__('[%s] WordPress Login Alert', 'block-wp-login'), $blogname); |
| 831 |
|
| 832 |
$message = __('An administrator with an un-recognised IP address has signed in:', 'block-wp-login') . "\r\n\r\n"; |
| 833 |
$message .= __('User: ', 'block-wp-login') . $user_login . "\r\n\r\n"; |
| 834 |
$message .= __('IP: ', 'block-wp-login') . $ip . "\r\n\r\n"; |
| 835 |
$message .= __('Contact us if you are having trouble with WordPress https://webd.uk', 'block-wp-login') . "\r\n\r\n"; |
| 836 |
$message .= __('If you like our plugin please leave a short review: https://wordpress.org/support/plugin/block-wp-login/reviews/#new-post', 'block-wp-login') . "\r\n\r\n"; |
| 837 |
|
| 838 |
wp_mail(get_bloginfo('admin_email'), wp_specialchars_decode($title), $message); |
| 839 |
|
| 840 |
} |
| 841 |
|
| 842 |
} |
| 843 |
|
| 844 |
} |
| 845 |
|
| 846 |
} |
| 847 |
|
| 848 |
} |
| 849 |
|
| 850 |
/** |
| 851 |
* Ask Deny All Firewall to rebuild its rules. |
| 852 |
* |
| 853 |
* Deny All Firewall 2.0 provides a public action for integrations. Keep |
| 854 |
* the legacy calls as a compatibility fallback for older releases. |
| 855 |
*/ |
| 856 |
private function bwpl_refresh_daf_rules() { |
| 857 |
|
| 858 |
$daf_options = get_option('daf_options'); |
| 859 |
|
| 860 |
if (empty($daf_options['enable_firewall'])) { |
| 861 |
|
| 862 |
return; |
| 863 |
|
| 864 |
} |
| 865 |
|
| 866 |
if (has_action('deny_all_firewall_refresh_rules')) { |
| 867 |
|
| 868 |
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound |
| 869 |
do_action('deny_all_firewall_refresh_rules'); |
| 870 |
return; |
| 871 |
|
| 872 |
} |
| 873 |
|
| 874 |
global $daf; |
| 875 |
|
| 876 |
if ( |
| 877 |
is_object($daf) && |
| 878 |
is_callable(array($daf, 'daf_create_htaccess')) && |
| 879 |
is_callable(array($daf, 'daf_remove_rules')) && |
| 880 |
is_callable(array($daf, 'daf_inject_rules')) |
| 881 |
) { |
| 882 |
|
| 883 |
$daf_htaccess = $daf->daf_create_htaccess(); |
| 884 |
|
| 885 |
if ($daf_htaccess && $daf->daf_remove_rules()) { |
| 886 |
|
| 887 |
$daf->daf_inject_rules($daf_htaccess); |
| 888 |
|
| 889 |
} |
| 890 |
|
| 891 |
} |
| 892 |
|
| 893 |
} |
| 894 |
|
| 895 |
/** |
| 896 |
* Prompt administrators to install the available Deny All Firewall 2.0 update. |
| 897 |
*/ |
| 898 |
public function bwpl_daf_upgrade_notice() { |
| 899 |
|
| 900 |
$screen = get_current_screen(); |
| 901 |
$notice_screens = array('plugins', 'update-core', 'options-permalink'); |
| 902 |
|
| 903 |
if ( |
| 904 |
!$screen || |
| 905 |
!in_array($screen->id, $notice_screens, true) || |
| 906 |
!current_user_can('update_plugins') || |
| 907 |
!class_exists('daf_class') || |
| 908 |
has_action('deny_all_firewall_refresh_rules') |
| 909 |
) { |
| 910 |
|
| 911 |
return; |
| 912 |
|
| 913 |
} |
| 914 |
|
| 915 |
$plugin_file = 'deny-all-firewall/deny-all-firewall.php'; |
| 916 |
$updates = get_site_transient('update_plugins'); |
| 917 |
|
| 918 |
if ( |
| 919 |
!is_object($updates) || |
| 920 |
empty($updates->response[$plugin_file]) || |
| 921 |
empty($updates->response[$plugin_file]->new_version) || |
| 922 |
version_compare($updates->response[$plugin_file]->new_version, '2.0', '<') |
| 923 |
) { |
| 924 |
|
| 925 |
return; |
| 926 |
|
| 927 |
} |
| 928 |
|
| 929 |
$update_url = wp_nonce_url( |
| 930 |
self_admin_url('update.php?action=upgrade-plugin&plugin=' . rawurlencode($plugin_file)), |
| 931 |
'upgrade-plugin_' . $plugin_file |
| 932 |
); |
| 933 |
|
| 934 |
?> |
| 935 |
<div class="notice notice-warning"> |
| 936 |
<p><strong><?php esc_html_e('Block wp-login', 'block-wp-login'); ?></strong></p> |
| 937 |
<p><?php esc_html_e('Deny All Firewall 2.0 or newer is available. Please update Deny All Firewall so Block wp-login can refresh its firewall rules through the supported integration.', 'block-wp-login'); ?></p> |
| 938 |
<p><a class="button button-primary" href="<?php echo esc_url($update_url); ?>"><?php esc_html_e('Update Deny All Firewall', 'block-wp-login'); ?></a></p> |
| 939 |
</div> |
| 940 |
<?php |
| 941 |
|
| 942 |
} |
| 943 |
|
| 944 |
private static function get_current_ip() { |
| 945 |
|
| 946 |
$ip = false; |
| 947 |
|
| 948 |
if (isset($_SERVER['HTTP_CF_CONNECTING_IP'])) { |
| 949 |
|
| 950 |
$ip = filter_var(wp_unslash($_SERVER['HTTP_CF_CONNECTING_IP']), FILTER_VALIDATE_IP); |
| 951 |
|
| 952 |
} elseif (isset($_SERVER['REMOTE_ADDR'])) { |
| 953 |
|
| 954 |
$ip = filter_var(wp_unslash($_SERVER['REMOTE_ADDR']), FILTER_VALIDATE_IP); |
| 955 |
|
| 956 |
} |
| 957 |
|
| 958 |
|
| 959 |
if ( |
| 960 |
$ip && |
| 961 |
!( |
| 962 |
filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) || |
| 963 |
filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) |
| 964 |
) |
| 965 |
) { |
| 966 |
|
| 967 |
$ip = false; |
| 968 |
|
| 969 |
} |
| 970 |
|
| 971 |
return $ip; |
| 972 |
|
| 973 |
} |
| 974 |
|
| 975 |
/** |
| 976 |
* Determine whether server load is too high for filesystem maintenance. |
| 977 |
* |
| 978 |
* Failure to detect either load or CPU capacity is treated as normal |
| 979 |
* load so the reinstall can proceed as before. |
| 980 |
*/ |
| 981 |
private static function is_server_overloaded() { |
| 982 |
|
| 983 |
if (!function_exists('sys_getloadavg')) { |
| 984 |
|
| 985 |
return false; |
| 986 |
|
| 987 |
} |
| 988 |
|
| 989 |
$load_average = sys_getloadavg(); |
| 990 |
|
| 991 |
if (!is_array($load_average) || !isset($load_average[0])) { |
| 992 |
|
| 993 |
return false; |
| 994 |
|
| 995 |
} |
| 996 |
|
| 997 |
$cores_available = 0; |
| 998 |
|
| 999 |
$cpu_directories = glob('/sys/devices/system/cpu/cpu[0-9]*', GLOB_ONLYDIR); |
| 1000 |
|
| 1001 |
if (is_array($cpu_directories) && $cpu_directories) { |
| 1002 |
|
| 1003 |
$cores_available = count($cpu_directories); |
| 1004 |
|
| 1005 |
} elseif (false !== getenv('NUMBER_OF_PROCESSORS')) { |
| 1006 |
|
| 1007 |
$cores_available = absint(getenv('NUMBER_OF_PROCESSORS')); |
| 1008 |
|
| 1009 |
} |
| 1010 |
|
| 1011 |
if (!$cores_available) { |
| 1012 |
|
| 1013 |
return false; |
| 1014 |
|
| 1015 |
} |
| 1016 |
|
| 1017 |
return ((float) $load_average[0] / $cores_available) > 1; |
| 1018 |
|
| 1019 |
} |
| 1020 |
|
| 1021 |
private static function acquire_lock() { |
| 1022 |
|
| 1023 |
global $wpdb; |
| 1024 |
|
| 1025 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 1026 |
return (bool) $wpdb->get_var($wpdb->prepare("SELECT GET_LOCK(%s, %d)", 'bwpl_lock', 0)); |
| 1027 |
|
| 1028 |
} |
| 1029 |
|
| 1030 |
private static function release_lock() { |
| 1031 |
|
| 1032 |
global $wpdb; |
| 1033 |
|
| 1034 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 1035 |
return (bool) $wpdb->get_var($wpdb->prepare("SELECT RELEASE_LOCK(%s)", 'bwpl_lock')); |
| 1036 |
|
| 1037 |
} |
| 1038 |
|
| 1039 |
} |
| 1040 |
|
| 1041 |
if (!class_exists('bwplCommon')) { |
| 1042 |
|
| 1043 |
require_once(dirname(__FILE__) . '/includes/class-bwpl-common.php'); |
| 1044 |
|
| 1045 |
} |
| 1046 |
|
| 1047 |
(new bwpl_class())->bwpl_load(); |
| 1048 |
|
| 1049 |
} |
| 1050 |
|
