| 1 |
<?php |
| 2 |
/* |
| 3 |
* Plugin Name: Block wp-login |
| 4 |
* Version: 1.5.8 |
| 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')) { |
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|
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class bwpl_class { |
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|
| 24 |
const VERSION = '1.5.8'; |
| 25 |
|
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private $bwpl_new_slug = ''; |
| 27 |
|
| 28 |
public function bwpl_load() { |
| 29 |
|
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add_action('admin_menu', array($this, 'bwpl_add_settings_page')); |
| 31 |
add_action('admin_post_bwpl_save_settings', array($this, 'bwpl_configure_slug')); |
| 32 |
register_activation_hook(__FILE__, array(__CLASS__, 'bwpl_activate')); |
| 33 |
register_deactivation_hook(__FILE__, array($this, 'bwpl_uninstall')); |
| 34 |
|
| 35 |
if (get_option('bwpl_slug')) { |
| 36 |
|
| 37 |
if (is_admin() && self::installed_wordpress_version() !== get_bloginfo('version')) { |
| 38 |
|
| 39 |
add_action('admin_init', array($this, 'bwpl_new_wordpress_version')); |
| 40 |
|
| 41 |
} |
| 42 |
|
| 43 |
add_filter('login_url', array($this, 'bwpl_change_login_url'), 10, 3); |
| 44 |
add_filter('logout_url', array($this, 'bwpl_change_logout_url'), 10, 2); |
| 45 |
add_filter('wp_redirect', array($this, 'bwpl_change_login_redirect'), 10, 2); |
| 46 |
add_filter('logout_redirect', array($this, 'bwpl_change_logout_redirect'), 10, 3); |
| 47 |
add_filter('lostpassword_url', array($this, 'bwpl_change_lostpassword_url'), 10, 2); |
| 48 |
add_filter('register_url', array($this, 'bwpl_change_register_url')); |
| 49 |
add_filter('site_url', array($this, 'bwpl_change_password_reset_url'), 10, 3); |
| 50 |
add_filter('network_site_url', array($this, 'bwpl_change_password_reset_url'), 10, 3); |
| 51 |
|
| 52 |
} else { |
| 53 |
|
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add_action('admin_notices', array($this, 'bwpl_setup_admin_notice')); |
| 55 |
|
| 56 |
} |
| 57 |
|
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if (is_admin()) { |
| 59 |
|
| 60 |
add_filter('plugin_action_links_' . plugin_basename(__FILE__), array($this, 'bwpl_add_plugin_action_links')); |
| 61 |
add_action('admin_notices', 'bwplCommon::admin_notices'); |
| 62 |
add_action('admin_notices', array($this, 'bwpl_daf_upgrade_notice')); |
| 63 |
add_action('wp_ajax_dismiss_bwpl_notice_handler', 'bwplCommon::ajax_notice_handler'); |
| 64 |
add_filter('bwpl_admin_notice_pages', array($this, 'bwpl_admin_notice_pages')); |
| 65 |
|
| 66 |
} |
| 67 |
|
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add_action('wp_login', 'bwpl_class::wp_login', 10, 2); |
| 69 |
|
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} |
| 71 |
|
| 72 |
function bwpl_add_plugin_action_links($links) { |
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|
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$settings_links = bwplCommon::plugin_action_links(admin_url('options-general.php?page=block-wp-login')); |
| 75 |
|
| 76 |
return array_merge($settings_links, $links); |
| 77 |
|
| 78 |
} |
| 79 |
|
| 80 |
public function bwpl_add_settings_page() { |
| 81 |
|
| 82 |
add_options_page( |
| 83 |
_x('Block wp-login', 'UI Strings', 'block-wp-login'), |
| 84 |
_x('Block wp-login', 'UI Strings', 'block-wp-login'), |
| 85 |
'manage_options', |
| 86 |
'block-wp-login', |
| 87 |
array($this, 'bwpl_settings_page') |
| 88 |
); |
| 89 |
|
| 90 |
} |
| 91 |
|
| 92 |
public function bwpl_settings_page() { |
| 93 |
|
| 94 |
if (!current_user_can('manage_options')) { |
| 95 |
|
| 96 |
return; |
| 97 |
|
| 98 |
} |
| 99 |
|
| 100 |
?> |
| 101 |
<div class="wrap"> |
| 102 |
<h1><?php echo esc_html(get_admin_page_title()); ?></h1> |
| 103 |
<?php if (isset($_GET['settings-updated']) && 'true' === sanitize_text_field(wp_unslash($_GET['settings-updated']))) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Display-only status flag. ?> |
| 104 |
<div class="notice notice-success is-dismissible"><p><?php esc_html_e('Settings saved.', 'block-wp-login'); ?></p></div> |
| 105 |
<?php } ?> |
| 106 |
<?php if (isset($_GET['bwpl-error'])) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Display-only error flag. ?> |
| 107 |
<div class="notice notice-error"><?php |
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$error = sanitize_key(wp_unslash($_GET['bwpl-error'])); // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Display-only error flag. |
| 109 |
|
| 110 |
if ('requirements' === $error) { |
| 111 |
|
| 112 |
$requirements = self::bwpl_requirements_check(); |
| 113 |
echo is_wp_error($requirements) ? wp_kses_post(self::bwpl_requirements_message($requirements)) : '<p>' . esc_html__('The server requirements could not be confirmed. Please try again.', 'block-wp-login') . '</p>'; |
| 114 |
|
| 115 |
} elseif ('locked' === $error) { |
| 116 |
|
| 117 |
echo '<p>' . esc_html__('The settings could not be saved because another Block wp-login update is in progress. Please try again.', 'block-wp-login') . '</p>'; |
| 118 |
|
| 119 |
} |
| 120 |
?></div> |
| 121 |
<?php } ?> |
| 122 |
<?php $this->bwpl_settings_title(); ?> |
| 123 |
<form action="<?php echo esc_url(admin_url('admin-post.php')); ?>" method="post"> |
| 124 |
<input type="hidden" name="action" value="bwpl_save_settings" /> |
| 125 |
<table class="form-table" role="presentation"> |
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<tr> |
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<th scope="row"><label for="bwpl_slug"><?php esc_html_e('Private login address', 'block-wp-login'); ?></label></th> |
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<td><?php $this->bwpl_settings_html(); ?></td> |
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</tr> |
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</table> |
| 131 |
<?php submit_button(); ?> |
| 132 |
</form> |
| 133 |
<?php if (!class_exists('Deny_All_Firewall') && !class_exists('daf_class')) { ?> |
| 134 |
<h2><?php esc_html_e('Protect more than your login page', 'block-wp-login'); ?></h2> |
| 135 |
<p><?php |
| 136 |
echo wp_kses( |
| 137 |
sprintf( |
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/* translators: link to the Deny All Firewall plugin installation search */ |
| 139 |
__('Block wp-login helps reduce unwanted login attempts. For broader protection against unwanted requests, take a look at %s.', 'block-wp-login'), |
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'<a href="' . esc_url(add_query_arg(array('s' => 'domainsupport%20deny%20all%20firewall', 'tab' => 'search', 'type' => 'term'), self_admin_url('plugin-install.php'))) . '">' . esc_html__('Deny All Firewall', 'block-wp-login') . '</a>' |
| 141 |
), |
| 142 |
array('a' => array('href' => array())) |
| 143 |
); |
| 144 |
?></p> |
| 145 |
<p> |
| 146 |
<a href="<?php echo esc_url(add_query_arg(array('s' => 'domainsupport%20deny%20all%20firewall', 'tab' => 'search', 'type' => 'term'), self_admin_url('plugin-install.php'))); ?>" title="<?php esc_attr_e('For broader protection against unwanted requests, take a look at Deny All Firewall.', 'block-wp-login'); ?>"> |
| 147 |
<img src="<?php echo esc_url(plugin_dir_url(__FILE__) . 'assets/deny-all-firewall-banner.jpg'); ?>" alt="<?php esc_attr_e('For broader protection against unwanted requests, take a look at Deny All Firewall.', 'block-wp-login'); ?>" title="<?php esc_attr_e('For broader protection against unwanted requests, take a look at Deny All Firewall.', 'block-wp-login'); ?>" style="width: 100%; max-width: 772px; height: auto;" /> |
| 148 |
</a> |
| 149 |
</p> |
| 150 |
<?php } ?> |
| 151 |
</div> |
| 152 |
<?php |
| 153 |
|
| 154 |
} |
| 155 |
|
| 156 |
function bwpl_configure_slug() { |
| 157 |
|
| 158 |
if (!current_user_can('manage_options')) { |
| 159 |
|
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wp_die(esc_html__('You are not allowed to manage these settings.', 'block-wp-login')); |
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|
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} |
| 163 |
|
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check_admin_referer('bwpl_slug_change', 'bwpl_nonce'); |
| 165 |
|
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$requirements = self::bwpl_requirements_check(); |
| 167 |
|
| 168 |
if (is_wp_error($requirements)) { |
| 169 |
|
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wp_safe_redirect(add_query_arg('bwpl-error', 'requirements', admin_url('options-general.php?page=block-wp-login'))); |
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exit; |
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|
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} |
| 174 |
|
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if (isset($_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')) { |
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|
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$version_lock = self::acquire_version_lock(); |
| 178 |
|
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if (!$version_lock) { |
| 180 |
|
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wp_safe_redirect(add_query_arg('bwpl-error', 'locked', admin_url('options-general.php?page=block-wp-login'))); |
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exit; |
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|
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} |
| 185 |
|
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try { |
| 187 |
|
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$this->bwpl_new_slug = trim(sanitize_key(wp_strip_all_tags(wp_unslash($_POST['bwpl_slug'])))); |
| 189 |
|
| 190 |
if ($this->bwpl_new_slug) { |
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|
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$notify = (isset($_POST['bwpl_notify']) && 'true' === $_POST['bwpl_notify']); |
| 193 |
$this->bwpl_uninstall(); |
| 194 |
$this->bwpl_install(false, $notify, $version_lock); |
| 195 |
|
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} else { |
| 197 |
|
| 198 |
if (isset($_POST['bwpl_notify']) && 'true' === $_POST['bwpl_notify']) { |
| 199 |
|
| 200 |
$this->bwpl_send_emails(false); |
| 201 |
|
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} |
| 203 |
|
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$this->bwpl_uninstall(); |
| 205 |
|
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} |
| 207 |
|
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update_option('bwpl_slug', $this->bwpl_new_slug); |
| 209 |
add_filter('login_url', array($this, 'bwpl_change_login_url'), 10, 3); |
| 210 |
add_filter('logout_url', array($this, 'bwpl_change_logout_url'), 10, 2); |
| 211 |
add_filter('logout_redirect', array($this, 'bwpl_change_logout_redirect'), 10, 3); |
| 212 |
add_filter('lostpassword_url', array($this, 'bwpl_change_lostpassword_url'), 10, 2); |
| 213 |
add_filter('register_url', array($this, 'bwpl_change_register_url')); |
| 214 |
add_filter('site_url', array($this, 'bwpl_change_password_reset_url'), 10, 3); |
| 215 |
add_filter('network_site_url', array($this, 'bwpl_change_password_reset_url'), 10, 3); |
| 216 |
|
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$this->bwpl_refresh_daf_rules(); |
| 218 |
|
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if ( |
| 220 |
isset($_POST['bwpl_unknown_admin']) && |
| 221 |
sanitize_text_field(wp_unslash($_POST['bwpl_unknown_admin'])) && |
| 222 |
isset($_POST['bwpl_known_ips']) && |
| 223 |
sanitize_textarea_field(wp_unslash($_POST['bwpl_known_ips'])) |
| 224 |
) { |
| 225 |
|
| 226 |
$known_ips = preg_split('/\r\n|[\r\n]/', sanitize_textarea_field(wp_unslash($_POST['bwpl_known_ips']))); |
| 227 |
|
| 228 |
foreach ($known_ips AS $key => $known_ip) { |
| 229 |
|
| 230 |
if (!( |
| 231 |
filter_var($known_ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) || |
| 232 |
filter_var($known_ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) |
| 233 |
)) { |
| 234 |
|
| 235 |
unset($known_ips[$key]); |
| 236 |
|
| 237 |
} |
| 238 |
|
| 239 |
} |
| 240 |
|
| 241 |
if ($known_ips) { |
| 242 |
|
| 243 |
update_option('bwpl_known_ips', implode(PHP_EOL, $known_ips)); |
| 244 |
|
| 245 |
} else { |
| 246 |
|
| 247 |
delete_option('bwpl_known_ips'); |
| 248 |
|
| 249 |
} |
| 250 |
|
| 251 |
} else { |
| 252 |
|
| 253 |
delete_option('bwpl_known_ips'); |
| 254 |
|
| 255 |
} |
| 256 |
|
| 257 |
} finally { |
| 258 |
|
| 259 |
self::release_version_lock($version_lock); |
| 260 |
|
| 261 |
} |
| 262 |
|
| 263 |
} |
| 264 |
|
| 265 |
|
| 266 |
wp_safe_redirect(add_query_arg('settings-updated', 'true', admin_url('options-general.php?page=block-wp-login'))); |
| 267 |
exit; |
| 268 |
|
| 269 |
} |
| 270 |
|
| 271 |
public static function bwpl_activate() { |
| 272 |
|
| 273 |
$requirements = self::bwpl_requirements_check(); |
| 274 |
|
| 275 |
if (is_wp_error($requirements)) { |
| 276 |
|
| 277 |
wp_die( |
| 278 |
wp_kses_post(self::bwpl_requirements_message($requirements)), |
| 279 |
esc_html__('Block wp-login could not be activated', 'block-wp-login'), |
| 280 |
array('back_link' => true) |
| 281 |
); |
| 282 |
|
| 283 |
} |
| 284 |
|
| 285 |
} |
| 286 |
|
| 287 |
private static function bwpl_requirements_check() { |
| 288 |
|
| 289 |
if (!function_exists('got_mod_rewrite')) { |
| 290 |
|
| 291 |
require_once ABSPATH . 'wp-admin/includes/misc.php'; |
| 292 |
|
| 293 |
} |
| 294 |
|
| 295 |
$server_software = isset($_SERVER['SERVER_SOFTWARE']) ? sanitize_text_field(wp_unslash($_SERVER['SERVER_SOFTWARE'])) : ''; |
| 296 |
$supports_htaccess = got_mod_rewrite() || false !== stripos($server_software, 'litespeed'); |
| 297 |
|
| 298 |
/** |
| 299 |
* Filters whether the web server supports Apache-style .htaccess rewrite rules. |
| 300 |
* |
| 301 |
* @param bool $supports_htaccess Whether compatible rewrite support was detected. |
| 302 |
*/ |
| 303 |
$supports_htaccess = (bool) apply_filters('bwpl_server_supports_htaccess', $supports_htaccess); |
| 304 |
$errors = new WP_Error(); |
| 305 |
|
| 306 |
if (!$supports_htaccess) { |
| 307 |
|
| 308 |
$errors->add('rewrite_support', __('An Apache-compatible web server with .htaccess and mod_rewrite support is required.', 'block-wp-login')); |
| 309 |
|
| 310 |
} |
| 311 |
|
| 312 |
$home_path = bwplCommon::get_home_path(); |
| 313 |
$htaccess_file = $home_path . '.htaccess'; |
| 314 |
$login_file = $home_path . 'wp-login.php'; |
| 315 |
|
| 316 |
if (!is_dir($home_path) || !wp_is_writable($home_path)) { |
| 317 |
|
| 318 |
$errors->add('home_not_writable', __('The WordPress home directory must be writable so the private login file can be created.', 'block-wp-login')); |
| 319 |
|
| 320 |
} |
| 321 |
|
| 322 |
if (!is_file($login_file) || !is_readable($login_file)) { |
| 323 |
|
| 324 |
$errors->add('login_not_readable', __('The standard WordPress wp-login.php file could not be found or read.', 'block-wp-login')); |
| 325 |
|
| 326 |
} |
| 327 |
|
| 328 |
if (file_exists($htaccess_file) && (!is_file($htaccess_file) || !wp_is_writable($htaccess_file))) { |
| 329 |
|
| 330 |
$errors->add('htaccess_not_writable', __('The WordPress .htaccess file must be writable.', 'block-wp-login')); |
| 331 |
|
| 332 |
} |
| 333 |
|
| 334 |
return $errors->has_errors() ? $errors : true; |
| 335 |
|
| 336 |
} |
| 337 |
|
| 338 |
private static function bwpl_requirements_message($requirements) { |
| 339 |
|
| 340 |
$message = '<p>' . esc_html__('Block wp-login cannot run on this website for the following reason(s):', 'block-wp-login') . '</p><ul>'; |
| 341 |
|
| 342 |
foreach ($requirements->get_error_messages() as $error_message) { |
| 343 |
|
| 344 |
$message .= '<li>' . esc_html($error_message) . '</li>'; |
| 345 |
|
| 346 |
} |
| 347 |
|
| 348 |
return $message . '</ul>'; |
| 349 |
|
| 350 |
} |
| 351 |
|
| 352 |
function bwpl_settings_title() { |
| 353 |
|
| 354 |
?> |
| 355 |
<p><?php esc_html_e('Choose a private login address to block direct access to wp-login.php and reduce unwanted login attempts.', 'block-wp-login'); ?></p> |
| 356 |
<?php |
| 357 |
|
| 358 |
} |
| 359 |
|
| 360 |
function bwpl_settings_html() { |
| 361 |
|
| 362 |
wp_nonce_field('bwpl_slug_change', 'bwpl_nonce'); |
| 363 |
|
| 364 |
$characters = 'abcdefghijklmnopqrstuvwxyz'; |
| 365 |
$randomString = ''; |
| 366 |
|
| 367 |
for ($i = 0; $i < 8; $i++) { |
| 368 |
|
| 369 |
$randomString .= $characters[wp_rand(0, strlen($characters) - 1)]; |
| 370 |
|
| 371 |
} |
| 372 |
|
| 373 |
?> |
| 374 |
<input id="bwpl_slug" name="bwpl_slug" type="text" class="regular-text code" value="<?php echo esc_attr(get_option('bwpl_slug')); ?>" /> |
| 375 |
|
| 376 |
<script type="text/javascript"> |
| 377 |
jQuery('#bwpl_slug').change(function() { |
| 378 |
jQuery(this).val(jQuery(this).val().toLowerCase().replace(/[^a-z0-9]+/g,'')); |
| 379 |
if (jQuery(this).val().length !== 0) { |
| 380 |
alert(<?php echo wp_json_encode(__('Your new login address will be:', 'block-wp-login') . "\n\n" . get_site_url() . '/'); ?> + jQuery(this).val() + <?php echo wp_json_encode('/' . "\n\n" . __('Save your changes, then bookmark the new address so you can find it again.', 'block-wp-login')); ?>); |
| 381 |
} |
| 382 |
jQuery('#bwpl_notify').prop('checked', true); |
| 383 |
}); |
| 384 |
</script> |
| 385 |
|
| 386 |
<p class="description"><?php esc_html_e('Enter the final part of the address using letters and numbers only. Leave this blank to use the standard wp-login.php address.', 'block-wp-login'); ?></p> |
| 387 |
|
| 388 |
<p><a href="javascript:void(0)" class="randomlogin"><?php esc_html_e('Generate a random login address', 'block-wp-login'); ?></a></p> |
| 389 |
|
| 390 |
<script type="text/javascript"> |
| 391 |
jQuery('.randomlogin').on('click',function() { |
| 392 |
var result = '', |
| 393 |
characters = 'abcdefghijklmnopqrstuvwxyz'; |
| 394 |
for (var i = 0; i < 8; i++) { |
| 395 |
result += characters.charAt(Math.floor(Math.random() * characters.length)); |
| 396 |
} |
| 397 |
jQuery('#bwpl_slug').val(result); |
| 398 |
alert(<?php echo wp_json_encode(__('Your new login address will be:', 'block-wp-login') . "\n\n" . get_site_url() . '/'); ?> + result + <?php echo wp_json_encode('/' . "\n\n" . __('Save your changes, then bookmark the new address so you can find it again.', 'block-wp-login')); ?>); |
| 399 |
jQuery('#bwpl_notify').prop('checked', true); |
| 400 |
}); |
| 401 |
</script> |
| 402 |
|
| 403 |
<p><strong><?php esc_html_e('Current login address: ', 'block-wp-login'); ?></strong><?php |
| 404 |
|
| 405 |
if (get_option('bwpl_slug')) { |
| 406 |
|
| 407 |
echo esc_url(get_site_url(null, (get_option('bwpl_slug') . '/'))); |
| 408 |
|
| 409 |
} else { |
| 410 |
|
| 411 |
echo esc_url(get_site_url(null, 'wp-login.php')); |
| 412 |
|
| 413 |
} ?></p> |
| 414 |
|
| 415 |
<p><input id="bwpl_notify" name="bwpl_notify" type="checkbox" value="true"> <?php esc_html_e('Email all administrators when the login address changes.', 'block-wp-login'); ?></p> |
| 416 |
|
| 417 |
<?php |
| 418 |
|
| 419 |
$known_ips = get_option('bwpl_known_ips'); |
| 420 |
|
| 421 |
if (!$known_ips) { $known_ips = false; } |
| 422 |
|
| 423 |
?> |
| 424 |
<p><input id="bwpl_unknown_admin" name="bwpl_unknown_admin" type="checkbox" value="true"<?php if ($known_ips) { echo ' checked'; } ?>> <?php esc_html_e('Email the site owner when an administrator signs in from an unrecognised IP address.', 'block-wp-login'); ?></p> |
| 425 |
<p id="bwpl_known_ips_wrapper"<?php if (!$known_ips) { echo ' style="display: none;"'; } ?>><label for="bwpl_known_ips"><strong><?php esc_html_e('Recognised IP addresses', 'block-wp-login'); ?></strong></label><br> |
| 426 |
<textarea name="bwpl_known_ips" id="bwpl_known_ips" class="large-text code" rows="5"><?php echo ($known_ips ? esc_html($known_ips) : esc_html(self::get_current_ip())); ?></textarea><br> |
| 427 |
<span class="description"><?php esc_html_e('Enter one IP address per line. The site owner will not be notified when an administrator signs in from one of these addresses.', 'block-wp-login'); ?></span></p> |
| 428 |
<script type="text/javascript"> |
| 429 |
jQuery('#bwpl_unknown_admin').on('change',function() { |
| 430 |
jQuery('#bwpl_known_ips_wrapper').toggle(); |
| 431 |
}); |
| 432 |
</script> |
| 433 |
<?php |
| 434 |
|
| 435 |
} |
| 436 |
|
| 437 |
function bwpl_send_emails($new_version) { |
| 438 |
|
| 439 |
$blogusers = get_users('role=Administrator'); |
| 440 |
$admin_emails = array(); |
| 441 |
|
| 442 |
foreach ($blogusers as $user) { |
| 443 |
if ($user->user_email) { |
| 444 |
$this->bwpl_send_email($user->user_email, $new_version); |
| 445 |
array_push($admin_emails, $user->user_email); |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
if (get_bloginfo('admin_email') && !in_array(get_bloginfo('admin_email'),$admin_emails)) { |
| 450 |
$this->bwpl_send_email(get_bloginfo('admin_email'), $new_version); |
| 451 |
} |
| 452 |
|
| 453 |
} |
| 454 |
|
| 455 |
function bwpl_install($new_version = false, $notify = true, $version_lock = false) { |
| 456 |
|
| 457 |
global $wp_filesystem; |
| 458 |
|
| 459 |
if (!$wp_filesystem) { |
| 460 |
|
| 461 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 462 |
|
| 463 |
if (!WP_Filesystem()) { |
| 464 |
|
| 465 |
return false; |
| 466 |
|
| 467 |
} |
| 468 |
|
| 469 |
} |
| 470 |
|
| 471 |
if (!is_object($wp_filesystem)) { |
| 472 |
|
| 473 |
return false; |
| 474 |
|
| 475 |
} |
| 476 |
|
| 477 |
$home_path = bwplCommon::get_home_path(); |
| 478 |
$login_file = $home_path . 'wp-login.php'; |
| 479 |
|
| 480 |
if ($wp_filesystem->exists($login_file)) { |
| 481 |
|
| 482 |
$content = $wp_filesystem->get_contents($login_file); |
| 483 |
|
| 484 |
if (false === $content) { |
| 485 |
|
| 486 |
return false; |
| 487 |
|
| 488 |
} |
| 489 |
|
| 490 |
$content_chunks = explode('wp-login.php', $content); |
| 491 |
$content = implode($this->bwpl_new_slug . '-wp-login.php', $content_chunks); |
| 492 |
$new_login_file = $home_path . $this->bwpl_new_slug . '-wp-login.php'; |
| 493 |
|
| 494 |
if ((!$wp_filesystem->exists($new_login_file) && $wp_filesystem->is_writable($home_path)) || $wp_filesystem->is_writable($new_login_file)) { |
| 495 |
|
| 496 |
if (!$wp_filesystem->put_contents($new_login_file, $content, FS_CHMOD_FILE)) { |
| 497 |
|
| 498 |
return false; |
| 499 |
|
| 500 |
} |
| 501 |
|
| 502 |
} else { |
| 503 |
|
| 504 |
return false; |
| 505 |
|
| 506 |
} |
| 507 |
|
| 508 |
} else { |
| 509 |
|
| 510 |
return false; |
| 511 |
|
| 512 |
} |
| 513 |
|
| 514 |
$htaccess_file = $home_path . '.htaccess'; |
| 515 |
|
| 516 |
if ((!$wp_filesystem->exists($htaccess_file) && $wp_filesystem->is_writable($home_path)) || $wp_filesystem->is_writable($htaccess_file)) { |
| 517 |
|
| 518 |
$markerdata = $wp_filesystem->exists($htaccess_file) ? $wp_filesystem->get_contents($htaccess_file) : ''; |
| 519 |
|
| 520 |
if (false !== $markerdata) { |
| 521 |
|
| 522 |
$markerdata = explode("\n", $markerdata); |
| 523 |
$found = false; |
| 524 |
$newdata = ''; |
| 525 |
|
| 526 |
foreach ($markerdata as $line) { |
| 527 |
|
| 528 |
if (!$found) { |
| 529 |
|
| 530 |
$newdata .= "# BEGIN BlockWPLogin\n"; |
| 531 |
$newdata .= "<IfModule mod_rewrite.c>\n"; |
| 532 |
$newdata .= "RewriteEngine On\n"; |
| 533 |
|
| 534 |
$newdata .= "RewriteCond %{QUERY_STRING} \"^action=postpass$\" |
| 535 |
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] |
| 536 |
"; |
| 537 |
|
| 538 |
$newdata .= "RewriteRule \"^" . str_replace('.', '\.', substr(site_url('wp-login.php', 'relative'), 1)) . "\" - [F]\n"; |
| 539 |
$newdata .= "RewriteRule \"^$this->bwpl_new_slug\\/?$\" " . str_replace('.', '\.', site_url($this->bwpl_new_slug . '-wp-login.php', 'relative')) . " [R=301,QSA,L]\n"; |
| 540 |
$newdata .= "</IfModule>\n"; |
| 541 |
$newdata .= "# END BlockWPLogin\n\n"; |
| 542 |
$newdata .= "$line\n"; |
| 543 |
$found = true; |
| 544 |
|
| 545 |
} else { |
| 546 |
|
| 547 |
$newdata .= "$line\n"; |
| 548 |
|
| 549 |
} |
| 550 |
|
| 551 |
} |
| 552 |
|
| 553 |
if (!$wp_filesystem->put_contents($htaccess_file, $newdata, FS_CHMOD_FILE)) { |
| 554 |
|
| 555 |
return false; |
| 556 |
|
| 557 |
} |
| 558 |
|
| 559 |
} else { |
| 560 |
|
| 561 |
return false; |
| 562 |
|
| 563 |
} |
| 564 |
|
| 565 |
} else { |
| 566 |
|
| 567 |
return false; |
| 568 |
|
| 569 |
} |
| 570 |
|
| 571 |
if (!self::record_installed_wordpress_version(get_bloginfo('version'), $version_lock)) { |
| 572 |
|
| 573 |
return false; |
| 574 |
|
| 575 |
} |
| 576 |
|
| 577 |
if ($new_version || $notify) { |
| 578 |
|
| 579 |
$this->bwpl_send_emails($new_version); |
| 580 |
|
| 581 |
} |
| 582 |
|
| 583 |
return true; |
| 584 |
|
| 585 |
} |
| 586 |
|
| 587 |
function bwpl_setup_admin_notice() { |
| 588 |
|
| 589 |
$screen = get_current_screen(); |
| 590 |
|
| 591 |
if ($screen && 'settings_page_block-wp-login' === $screen->id) { |
| 592 |
|
| 593 |
return; |
| 594 |
|
| 595 |
} |
| 596 |
|
| 597 |
?> |
| 598 |
<div class="notice notice-success"> |
| 599 |
<p><?php |
| 600 |
/* translators: <strong> HTML tags */ |
| 601 |
echo wp_kses(sprintf(__('%1$sBlock wp-login%2$s activated. ', 'block-wp-login'),'<strong>','</strong>'), 'post'); ?><a href="<?php echo esc_url(admin_url('options-general.php?page=block-wp-login')); ?>"><?php esc_html_e('Configure the plugin here.', 'block-wp-login'); ?></a></p> |
| 602 |
</div> |
| 603 |
<?php |
| 604 |
|
| 605 |
} |
| 606 |
|
| 607 |
/** |
| 608 |
* Allow common plugin notices on this plugin's settings screen. |
| 609 |
*/ |
| 610 |
public function bwpl_admin_notice_pages($allowed_pages) { |
| 611 |
|
| 612 |
$screen = get_current_screen(); |
| 613 |
|
| 614 |
if ($screen && 'settings_page_block-wp-login' === $screen->id) { |
| 615 |
|
| 616 |
$allowed_pages[] = 'options-general.php'; |
| 617 |
|
| 618 |
} |
| 619 |
|
| 620 |
return array_unique($allowed_pages); |
| 621 |
|
| 622 |
} |
| 623 |
|
| 624 |
function bwpl_uninstall() { |
| 625 |
|
| 626 |
global $wp_filesystem; |
| 627 |
|
| 628 |
if (!$wp_filesystem) { |
| 629 |
|
| 630 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 631 |
|
| 632 |
if (!WP_Filesystem()) { |
| 633 |
|
| 634 |
return false; |
| 635 |
|
| 636 |
} |
| 637 |
|
| 638 |
} |
| 639 |
|
| 640 |
if (!is_object($wp_filesystem)) { |
| 641 |
|
| 642 |
return false; |
| 643 |
|
| 644 |
} |
| 645 |
|
| 646 |
$home_path = bwplCommon::get_home_path(); |
| 647 |
$htaccess_file = $home_path . '.htaccess'; |
| 648 |
|
| 649 |
if ($wp_filesystem->exists($htaccess_file)) { |
| 650 |
|
| 651 |
if (!$wp_filesystem->is_writable($htaccess_file)) { |
| 652 |
|
| 653 |
return false; |
| 654 |
|
| 655 |
} |
| 656 |
|
| 657 |
$markerdata = $wp_filesystem->get_contents($htaccess_file); |
| 658 |
|
| 659 |
if (false === $markerdata) { |
| 660 |
|
| 661 |
return false; |
| 662 |
|
| 663 |
} |
| 664 |
|
| 665 |
$markerdata = explode("\n", $markerdata); |
| 666 |
$found = false; |
| 667 |
$blank_line = false; |
| 668 |
$newdata = ''; |
| 669 |
|
| 670 |
foreach ($markerdata as $line) { |
| 671 |
|
| 672 |
if ($blank_line && !$line) { |
| 673 |
|
| 674 |
$found = true; |
| 675 |
|
| 676 |
} |
| 677 |
|
| 678 |
if ($blank_line && $line) { |
| 679 |
|
| 680 |
$found = false; |
| 681 |
|
| 682 |
} |
| 683 |
|
| 684 |
if ($line) { |
| 685 |
|
| 686 |
$blank_line = false; |
| 687 |
|
| 688 |
} else { |
| 689 |
|
| 690 |
$blank_line = true; |
| 691 |
|
| 692 |
} |
| 693 |
|
| 694 |
if ('# BEGIN BlockWPLogin' === $line) { |
| 695 |
|
| 696 |
$found = true; |
| 697 |
|
| 698 |
} |
| 699 |
|
| 700 |
if (!$found) { |
| 701 |
|
| 702 |
$newdata .= "$line\n"; |
| 703 |
|
| 704 |
} |
| 705 |
|
| 706 |
if ('# END BlockWPLogin' === $line) { |
| 707 |
|
| 708 |
$found = false; |
| 709 |
|
| 710 |
} |
| 711 |
|
| 712 |
} |
| 713 |
|
| 714 |
if (!$wp_filesystem->put_contents($htaccess_file, $newdata, FS_CHMOD_FILE)) { |
| 715 |
|
| 716 |
return false; |
| 717 |
|
| 718 |
} |
| 719 |
|
| 720 |
} |
| 721 |
|
| 722 |
add_filter('logout_url', array($this, 'bwpl_reset_logout_url')); |
| 723 |
add_filter('logout_redirect', array($this, 'bwpl_reset_logout_url')); |
| 724 |
add_filter('lostpassword_url', array($this, 'bwpl_reset_logout_url')); |
| 725 |
|
| 726 |
$slug = get_option('bwpl_slug'); |
| 727 |
$login_file = $home_path . $slug . '-wp-login.php'; |
| 728 |
|
| 729 |
if ($slug && $wp_filesystem->exists($login_file)) { |
| 730 |
|
| 731 |
if (!$wp_filesystem->is_writable($login_file) || !$wp_filesystem->delete($login_file)) { |
| 732 |
|
| 733 |
return false; |
| 734 |
|
| 735 |
} |
| 736 |
|
| 737 |
} |
| 738 |
|
| 739 |
update_option('bwpl_slug', ''); |
| 740 |
|
| 741 |
$this->bwpl_refresh_daf_rules(); |
| 742 |
|
| 743 |
return true; |
| 744 |
|
| 745 |
} |
| 746 |
|
| 747 |
function bwpl_change_login_url($login_url, $redirect, $force_reauth) { |
| 748 |
|
| 749 |
if ( |
| 750 |
function_exists('is_user_logged_in') && |
| 751 |
( |
| 752 |
is_user_logged_in() || |
| 753 |
did_action('password_reset') || |
| 754 |
$this->bwpl_is_secret_login_request() |
| 755 |
) |
| 756 |
) { |
| 757 |
|
| 758 |
$login_url = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $login_url); |
| 759 |
|
| 760 |
} |
| 761 |
|
| 762 |
return $login_url; |
| 763 |
|
| 764 |
} |
| 765 |
|
| 766 |
function bwpl_change_logout_url($logout_url, $redirect) { |
| 767 |
|
| 768 |
if ( |
| 769 |
(function_exists('is_user_logged_in') && is_user_logged_in()) || |
| 770 |
$this->bwpl_is_secret_login_request() |
| 771 |
) { |
| 772 |
|
| 773 |
$logout_url = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $logout_url); |
| 774 |
|
| 775 |
} |
| 776 |
|
| 777 |
return $logout_url; |
| 778 |
|
| 779 |
} |
| 780 |
|
| 781 |
function bwpl_change_lostpassword_url($lostpassword_url, $redirect) { |
| 782 |
|
| 783 |
if ($this->bwpl_is_secret_login_request()) { |
| 784 |
|
| 785 |
$lostpassword_url = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $lostpassword_url); |
| 786 |
|
| 787 |
} |
| 788 |
|
| 789 |
return $lostpassword_url; |
| 790 |
|
| 791 |
} |
| 792 |
|
| 793 |
function bwpl_change_register_url($register_url) { |
| 794 |
|
| 795 |
if ($this->bwpl_is_secret_login_request()) { |
| 796 |
|
| 797 |
$register_url = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $register_url); |
| 798 |
|
| 799 |
} |
| 800 |
|
| 801 |
return $register_url; |
| 802 |
|
| 803 |
} |
| 804 |
|
| 805 |
function bwpl_change_password_reset_url($url, $path, $scheme) { |
| 806 |
|
| 807 |
if ( |
| 808 |
!is_string($path) || |
| 809 |
1 !== preg_match('/\Awp-login\.php\?login=[^&]+&key=[^&]+&action=rp\z/D', $path) |
| 810 |
) { |
| 811 |
|
| 812 |
return $url; |
| 813 |
|
| 814 |
} |
| 815 |
|
| 816 |
return preg_replace( |
| 817 |
'/\/wp-login\.php(?=\?|$)/', |
| 818 |
'/' . get_option('bwpl_slug') . '-wp-login.php', |
| 819 |
$url, |
| 820 |
1 |
| 821 |
); |
| 822 |
|
| 823 |
} |
| 824 |
|
| 825 |
function bwpl_change_login_redirect($location, $status) { |
| 826 |
|
| 827 |
$path = wp_parse_url($location, PHP_URL_PATH); |
| 828 |
$query = wp_parse_url($location, PHP_URL_QUERY); |
| 829 |
|
| 830 |
if ( |
| 831 |
!did_action('wp_login') || |
| 832 |
!is_string($path) || |
| 833 |
'/wp-login.php' !== substr($path, -13) || |
| 834 |
!is_string($query) |
| 835 |
) { |
| 836 |
|
| 837 |
return $location; |
| 838 |
|
| 839 |
} |
| 840 |
|
| 841 |
preg_match_all('/(?:^|&)action=([^&]*)/', $query, $action_matches); |
| 842 |
|
| 843 |
if ( |
| 844 |
1 === count($action_matches[1]) && |
| 845 |
'confirm_admin_email' === rawurldecode($action_matches[1][0]) |
| 846 |
) { |
| 847 |
|
| 848 |
$location = preg_replace( |
| 849 |
'/\/wp-login\.php(?=\?|$)/', |
| 850 |
'/' . get_option('bwpl_slug') . '-wp-login.php', |
| 851 |
$location, |
| 852 |
1 |
| 853 |
); |
| 854 |
|
| 855 |
} |
| 856 |
|
| 857 |
return $location; |
| 858 |
|
| 859 |
} |
| 860 |
|
| 861 |
function bwpl_change_logout_redirect($redirect_to, $requested_redirect_to, $user) { |
| 862 |
|
| 863 |
if ($user->ID) { |
| 864 |
|
| 865 |
$redirect_to = str_replace('/wp-login.php', '/' . get_option('bwpl_slug') . '-wp-login.php', $redirect_to); |
| 866 |
|
| 867 |
} |
| 868 |
|
| 869 |
return $redirect_to; |
| 870 |
|
| 871 |
} |
| 872 |
|
| 873 |
private function bwpl_is_secret_login_request() { |
| 874 |
|
| 875 |
if (empty($_SERVER['SCRIPT_FILENAME']) || !is_string($_SERVER['SCRIPT_FILENAME'])) { |
| 876 |
|
| 877 |
return false; |
| 878 |
|
| 879 |
} |
| 880 |
|
| 881 |
$script_filename = sanitize_text_field(wp_unslash($_SERVER['SCRIPT_FILENAME'])); |
| 882 |
$slug = get_option('bwpl_slug'); |
| 883 |
|
| 884 |
return $slug && $slug . '-wp-login.php' === basename($script_filename); |
| 885 |
|
| 886 |
} |
| 887 |
|
| 888 |
function bwpl_reset_logout_url($logout_url) { |
| 889 |
|
| 890 |
$logout_url = str_replace('/' . get_option('bwpl_slug') . '-wp-login.php', '/wp-login.php', $logout_url); |
| 891 |
|
| 892 |
return $logout_url; |
| 893 |
|
| 894 |
} |
| 895 |
|
| 896 |
function bwpl_send_email($recipient, $new_version) { |
| 897 |
|
| 898 |
if ($new_version) { |
| 899 |
|
| 900 |
$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'); |
| 901 |
|
| 902 |
} else { |
| 903 |
|
| 904 |
$message = __('Your WordPress login address has been changed:', 'block-wp-login'); |
| 905 |
|
| 906 |
} |
| 907 |
|
| 908 |
$message .= "\r\n\r\n"; |
| 909 |
|
| 910 |
if ($this->bwpl_new_slug) { |
| 911 |
|
| 912 |
$message .= get_site_url(null, ($this->bwpl_new_slug . '/')) . "\r\n\r\n"; |
| 913 |
|
| 914 |
} else { |
| 915 |
|
| 916 |
$message .= get_site_url(null, 'wp-login.php') . "\r\n\r\n"; |
| 917 |
|
| 918 |
} |
| 919 |
|
| 920 |
$message .= __('Keep this link handy! Bookmarking it is the best way to ensure you never get locked out.', 'block-wp-login'); |
| 921 |
$message .= "\r\n\r\n---\r\n\r\n"; |
| 922 |
$message .= __('Does your site need a glow-up?', 'block-wp-login'); |
| 923 |
$message .= "\r\n"; |
| 924 |
$message .= __('Running slowly?', 'block-wp-login'); |
| 925 |
$message .= "\r\n"; |
| 926 |
$message .= __('Want new features?', 'block-wp-login'); |
| 927 |
$message .= "\r\n\r\n"; |
| 928 |
$message .= __('See how we can help', 'block-wp-login'); |
| 929 |
$message .= ' https://webd.uk'; |
| 930 |
|
| 931 |
if (is_multisite()) { |
| 932 |
|
| 933 |
$blogname = get_network()->site_name; |
| 934 |
|
| 935 |
} else { |
| 936 |
|
| 937 |
$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); |
| 938 |
|
| 939 |
} |
| 940 |
|
| 941 |
if ($new_version) { |
| 942 |
|
| 943 |
/* translators: website title */ |
| 944 |
$title = sprintf(__('[%s] WordPress Login Reminder', 'block-wp-login'), $blogname); |
| 945 |
|
| 946 |
} else { |
| 947 |
|
| 948 |
/* translators: website title */ |
| 949 |
$title = sprintf(__('[%s] WordPress Login Changed', 'block-wp-login'), $blogname); |
| 950 |
|
| 951 |
} |
| 952 |
|
| 953 |
if (!wp_mail($recipient, wp_specialchars_decode($title), $message)) { |
| 954 |
|
| 955 |
add_action('admin_notices', array($this, 'bwpl_admin_notice_email_html')); |
| 956 |
|
| 957 |
} |
| 958 |
|
| 959 |
} |
| 960 |
|
| 961 |
function bwpl_admin_notice_email_html() { |
| 962 |
|
| 963 |
?> |
| 964 |
<div class="notice notice-error"> |
| 965 |
<p><?php |
| 966 |
/* translators: <strong> HTML tags */ |
| 967 |
echo wp_kses(sprintf(__('%1$sBlock wp-login%2$s activated email could not be sent.', 'block-wp-login'),'<strong>','</strong>'), 'post'); ?></p> |
| 968 |
</div> |
| 969 |
<?php |
| 970 |
|
| 971 |
} |
| 972 |
|
| 973 |
function bwpl_new_wordpress_version() { |
| 974 |
|
| 975 |
if (self::is_server_overloaded()) { |
| 976 |
|
| 977 |
return; |
| 978 |
|
| 979 |
} |
| 980 |
|
| 981 |
$version_lock = self::acquire_version_lock(); |
| 982 |
|
| 983 |
if ($version_lock) { |
| 984 |
|
| 985 |
try { |
| 986 |
|
| 987 |
$installed_version = self::read_locked_wordpress_version($version_lock); |
| 988 |
|
| 989 |
if (!$installed_version) { |
| 990 |
|
| 991 |
$installed_version = self::legacy_wordpress_version(); |
| 992 |
|
| 993 |
if ($installed_version === get_bloginfo('version')) { |
| 994 |
|
| 995 |
self::record_installed_wordpress_version($installed_version, $version_lock); |
| 996 |
|
| 997 |
} |
| 998 |
|
| 999 |
} |
| 1000 |
|
| 1001 |
if ($installed_version !== get_bloginfo('version')) { |
| 1002 |
|
| 1003 |
$bwpl_old_slug = get_option('bwpl_slug'); |
| 1004 |
|
| 1005 |
if ($this->bwpl_uninstall()) { |
| 1006 |
|
| 1007 |
$this->bwpl_new_slug = $bwpl_old_slug; |
| 1008 |
if ($this->bwpl_install(true, true, $version_lock)) { |
| 1009 |
|
| 1010 |
update_option('bwpl_slug', $bwpl_old_slug); |
| 1011 |
|
| 1012 |
} |
| 1013 |
|
| 1014 |
$this->bwpl_refresh_daf_rules(); |
| 1015 |
|
| 1016 |
} |
| 1017 |
|
| 1018 |
} |
| 1019 |
|
| 1020 |
} finally { |
| 1021 |
|
| 1022 |
self::release_version_lock($version_lock); |
| 1023 |
|
| 1024 |
} |
| 1025 |
|
| 1026 |
} |
| 1027 |
|
| 1028 |
} |
| 1029 |
|
| 1030 |
public static function wp_login($user_login, $user) { |
| 1031 |
|
| 1032 |
if (user_can($user->ID, 'manage_options')) { |
| 1033 |
|
| 1034 |
$ip = self::get_current_ip(); |
| 1035 |
|
| 1036 |
if ($ip) { |
| 1037 |
|
| 1038 |
$known_ips = get_option('bwpl_known_ips'); |
| 1039 |
|
| 1040 |
if ($known_ips) { |
| 1041 |
|
| 1042 |
$known_ips = preg_split('/\r\n|[\r\n]/', $known_ips); |
| 1043 |
|
| 1044 |
if (!in_array($ip, $known_ips, true)) { |
| 1045 |
|
| 1046 |
if (is_multisite()) { |
| 1047 |
|
| 1048 |
$blogname = get_network()->site_name; |
| 1049 |
|
| 1050 |
} else { |
| 1051 |
|
| 1052 |
$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); |
| 1053 |
|
| 1054 |
} |
| 1055 |
|
| 1056 |
/* translators: website title */ |
| 1057 |
$title = sprintf(__('[%s] WordPress Login Alert', 'block-wp-login'), $blogname); |
| 1058 |
|
| 1059 |
$message = __('An administrator with an un-recognised IP address has signed in:', 'block-wp-login') . "\r\n\r\n"; |
| 1060 |
$message .= __('User: ', 'block-wp-login') . $user_login . "\r\n\r\n"; |
| 1061 |
$message .= __('IP: ', 'block-wp-login') . $ip . "\r\n\r\n"; |
| 1062 |
$message .= __('Contact us if you are having trouble with WordPress https://webd.uk', 'block-wp-login') . "\r\n\r\n"; |
| 1063 |
$message .= __('If you like our plugin please leave a short review: https://wordpress.org/support/plugin/block-wp-login/reviews/#new-post', 'block-wp-login') . "\r\n\r\n"; |
| 1064 |
|
| 1065 |
wp_mail(get_bloginfo('admin_email'), wp_specialchars_decode($title), $message); |
| 1066 |
|
| 1067 |
} |
| 1068 |
|
| 1069 |
} |
| 1070 |
|
| 1071 |
} |
| 1072 |
|
| 1073 |
} |
| 1074 |
|
| 1075 |
} |
| 1076 |
|
| 1077 |
/** |
| 1078 |
* Ask Deny All Firewall to rebuild its rules. |
| 1079 |
* |
| 1080 |
* Deny All Firewall 2.0 provides a public action for integrations. Keep |
| 1081 |
* the legacy calls as a compatibility fallback for older releases. |
| 1082 |
*/ |
| 1083 |
private function bwpl_refresh_daf_rules() { |
| 1084 |
|
| 1085 |
$daf_options = get_option('daf_options'); |
| 1086 |
|
| 1087 |
if (empty($daf_options['enable_firewall'])) { |
| 1088 |
|
| 1089 |
return; |
| 1090 |
|
| 1091 |
} |
| 1092 |
|
| 1093 |
if (has_action('deny_all_firewall_refresh_rules')) { |
| 1094 |
|
| 1095 |
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound |
| 1096 |
do_action('deny_all_firewall_refresh_rules'); |
| 1097 |
return; |
| 1098 |
|
| 1099 |
} |
| 1100 |
|
| 1101 |
global $daf; |
| 1102 |
|
| 1103 |
if ( |
| 1104 |
is_object($daf) && |
| 1105 |
is_callable(array($daf, 'daf_create_htaccess')) && |
| 1106 |
is_callable(array($daf, 'daf_remove_rules')) && |
| 1107 |
is_callable(array($daf, 'daf_inject_rules')) |
| 1108 |
) { |
| 1109 |
|
| 1110 |
$daf_htaccess = $daf->daf_create_htaccess(); |
| 1111 |
|
| 1112 |
if ($daf_htaccess && $daf->daf_remove_rules()) { |
| 1113 |
|
| 1114 |
$daf->daf_inject_rules($daf_htaccess); |
| 1115 |
|
| 1116 |
} |
| 1117 |
|
| 1118 |
} |
| 1119 |
|
| 1120 |
} |
| 1121 |
|
| 1122 |
/** |
| 1123 |
* Prompt administrators to install the available Deny All Firewall 2.0 update. |
| 1124 |
*/ |
| 1125 |
public function bwpl_daf_upgrade_notice() { |
| 1126 |
|
| 1127 |
$screen = get_current_screen(); |
| 1128 |
$notice_screens = array('plugins', 'update-core', 'settings_page_block-wp-login'); |
| 1129 |
|
| 1130 |
if ( |
| 1131 |
!$screen || |
| 1132 |
!in_array($screen->id, $notice_screens, true) || |
| 1133 |
!current_user_can('update_plugins') || |
| 1134 |
!class_exists('daf_class') || |
| 1135 |
has_action('deny_all_firewall_refresh_rules') |
| 1136 |
) { |
| 1137 |
|
| 1138 |
return; |
| 1139 |
|
| 1140 |
} |
| 1141 |
|
| 1142 |
$plugin_file = 'deny-all-firewall/deny-all-firewall.php'; |
| 1143 |
$updates = get_site_transient('update_plugins'); |
| 1144 |
|
| 1145 |
if ( |
| 1146 |
!is_object($updates) || |
| 1147 |
empty($updates->response[$plugin_file]) || |
| 1148 |
empty($updates->response[$plugin_file]->new_version) || |
| 1149 |
version_compare($updates->response[$plugin_file]->new_version, '2.0', '<') |
| 1150 |
) { |
| 1151 |
|
| 1152 |
return; |
| 1153 |
|
| 1154 |
} |
| 1155 |
|
| 1156 |
$update_url = wp_nonce_url( |
| 1157 |
self_admin_url('update.php?action=upgrade-plugin&plugin=' . rawurlencode($plugin_file)), |
| 1158 |
'upgrade-plugin_' . $plugin_file |
| 1159 |
); |
| 1160 |
|
| 1161 |
?> |
| 1162 |
<div class="notice notice-warning"> |
| 1163 |
<p><strong><?php esc_html_e('Block wp-login', 'block-wp-login'); ?></strong></p> |
| 1164 |
<p><?php esc_html_e('Deny All Firewall 2.0 or newer is available. Please update Deny All Firewall so Block wp-login can refresh its firewall rules through the supported integration.', 'block-wp-login'); ?></p> |
| 1165 |
<p><a class="button button-primary" href="<?php echo esc_url($update_url); ?>"><?php esc_html_e('Update Deny All Firewall', 'block-wp-login'); ?></a></p> |
| 1166 |
</div> |
| 1167 |
<?php |
| 1168 |
|
| 1169 |
} |
| 1170 |
|
| 1171 |
private static function get_current_ip() { |
| 1172 |
|
| 1173 |
$ip = false; |
| 1174 |
|
| 1175 |
if (isset($_SERVER['HTTP_CF_CONNECTING_IP'])) { |
| 1176 |
|
| 1177 |
$ip = filter_var(wp_unslash($_SERVER['HTTP_CF_CONNECTING_IP']), FILTER_VALIDATE_IP); |
| 1178 |
|
| 1179 |
} elseif (isset($_SERVER['REMOTE_ADDR'])) { |
| 1180 |
|
| 1181 |
$ip = filter_var(wp_unslash($_SERVER['REMOTE_ADDR']), FILTER_VALIDATE_IP); |
| 1182 |
|
| 1183 |
} |
| 1184 |
|
| 1185 |
|
| 1186 |
if ( |
| 1187 |
$ip && |
| 1188 |
!( |
| 1189 |
filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) || |
| 1190 |
filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) |
| 1191 |
) |
| 1192 |
) { |
| 1193 |
|
| 1194 |
$ip = false; |
| 1195 |
|
| 1196 |
} |
| 1197 |
|
| 1198 |
return $ip; |
| 1199 |
|
| 1200 |
} |
| 1201 |
|
| 1202 |
/** |
| 1203 |
* Determine whether server load is too high for filesystem maintenance. |
| 1204 |
* |
| 1205 |
* Failure to detect either load or CPU capacity is treated as normal |
| 1206 |
* load so the reinstall can proceed as before. |
| 1207 |
*/ |
| 1208 |
private static function is_server_overloaded() { |
| 1209 |
|
| 1210 |
if (!function_exists('sys_getloadavg')) { |
| 1211 |
|
| 1212 |
return false; |
| 1213 |
|
| 1214 |
} |
| 1215 |
|
| 1216 |
$load_average = sys_getloadavg(); |
| 1217 |
|
| 1218 |
if (!is_array($load_average) || !isset($load_average[0])) { |
| 1219 |
|
| 1220 |
return false; |
| 1221 |
|
| 1222 |
} |
| 1223 |
|
| 1224 |
$cores_available = 0; |
| 1225 |
|
| 1226 |
$cpu_directories = glob('/sys/devices/system/cpu/cpu[0-9]*', GLOB_ONLYDIR); |
| 1227 |
|
| 1228 |
if (is_array($cpu_directories) && $cpu_directories) { |
| 1229 |
|
| 1230 |
$cores_available = count($cpu_directories); |
| 1231 |
|
| 1232 |
} elseif (false !== getenv('NUMBER_OF_PROCESSORS')) { |
| 1233 |
|
| 1234 |
$cores_available = absint(getenv('NUMBER_OF_PROCESSORS')); |
| 1235 |
|
| 1236 |
} |
| 1237 |
|
| 1238 |
if (!$cores_available) { |
| 1239 |
|
| 1240 |
return false; |
| 1241 |
|
| 1242 |
} |
| 1243 |
|
| 1244 |
return ((float) $load_average[0] / $cores_available) > 1; |
| 1245 |
|
| 1246 |
} |
| 1247 |
|
| 1248 |
private static function installed_wordpress_version() { |
| 1249 |
|
| 1250 |
$state_file = ABSPATH . '.block-wp-login-version'; |
| 1251 |
|
| 1252 |
if (is_readable($state_file) && wp_is_writable($state_file)) { |
| 1253 |
|
| 1254 |
$version = file_get_contents($state_file); |
| 1255 |
|
| 1256 |
return false === $version ? false : trim($version); |
| 1257 |
|
| 1258 |
} |
| 1259 |
|
| 1260 |
if (file_exists($state_file)) { |
| 1261 |
|
| 1262 |
return self::legacy_wordpress_version(); |
| 1263 |
|
| 1264 |
} |
| 1265 |
|
| 1266 |
if (wp_is_writable(ABSPATH)) { |
| 1267 |
|
| 1268 |
return false; |
| 1269 |
|
| 1270 |
} |
| 1271 |
|
| 1272 |
return self::legacy_wordpress_version(); |
| 1273 |
|
| 1274 |
} |
| 1275 |
|
| 1276 |
private static function acquire_version_lock() { |
| 1277 |
|
| 1278 |
// WP_Filesystem does not expose the stream handle required for an atomic flock(). |
| 1279 |
$handle = @fopen(ABSPATH . '.block-wp-login-version', 'c+'); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fopen |
| 1280 |
|
| 1281 |
if (is_resource($handle)) { |
| 1282 |
|
| 1283 |
if (flock($handle, LOCK_EX | LOCK_NB)) { // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_flock |
| 1284 |
|
| 1285 |
return array('type' => 'file', 'handle' => $handle); |
| 1286 |
|
| 1287 |
} |
| 1288 |
|
| 1289 |
fclose($handle); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fclose |
| 1290 |
return false; |
| 1291 |
|
| 1292 |
} |
| 1293 |
|
| 1294 |
global $wpdb; |
| 1295 |
|
| 1296 |
// Fall back to a database advisory lock when the state file cannot be opened. |
| 1297 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 1298 |
if ($wpdb->get_var($wpdb->prepare("SELECT GET_LOCK(%s, %d)", 'bwpl_lock', 0))) { |
| 1299 |
|
| 1300 |
return array('type' => 'database'); |
| 1301 |
|
| 1302 |
} |
| 1303 |
|
| 1304 |
return false; |
| 1305 |
|
| 1306 |
} |
| 1307 |
|
| 1308 |
private static function release_version_lock($version_lock) { |
| 1309 |
|
| 1310 |
if ('file' === $version_lock['type']) { |
| 1311 |
|
| 1312 |
flock($version_lock['handle'], LOCK_UN); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_flock |
| 1313 |
fclose($version_lock['handle']); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fclose |
| 1314 |
return; |
| 1315 |
|
| 1316 |
} |
| 1317 |
|
| 1318 |
global $wpdb; |
| 1319 |
|
| 1320 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 1321 |
$wpdb->get_var($wpdb->prepare("SELECT RELEASE_LOCK(%s)", 'bwpl_lock')); |
| 1322 |
|
| 1323 |
} |
| 1324 |
|
| 1325 |
private static function read_locked_wordpress_version($version_lock) { |
| 1326 |
|
| 1327 |
if ('file' === $version_lock['type']) { |
| 1328 |
|
| 1329 |
rewind($version_lock['handle']); |
| 1330 |
$version = stream_get_contents($version_lock['handle']); |
| 1331 |
|
| 1332 |
return false === $version ? false : trim($version); |
| 1333 |
|
| 1334 |
} |
| 1335 |
|
| 1336 |
return self::legacy_wordpress_version(); |
| 1337 |
|
| 1338 |
} |
| 1339 |
|
| 1340 |
private static function legacy_wordpress_version() { |
| 1341 |
|
| 1342 |
global $wpdb; |
| 1343 |
|
| 1344 |
// Read the row directly because a persistent object cache may hold a stale option value. |
| 1345 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 1346 |
$version = $wpdb->get_var($wpdb->prepare("SELECT option_value FROM {$wpdb->options} WHERE option_name = %s LIMIT 1", 'bwpl_wp_version')); |
| 1347 |
|
| 1348 |
return is_string($version) ? $version : false; |
| 1349 |
|
| 1350 |
} |
| 1351 |
|
| 1352 |
private static function record_installed_wordpress_version($version, $version_lock) { |
| 1353 |
|
| 1354 |
if ($version_lock && 'file' === $version_lock['type']) { |
| 1355 |
|
| 1356 |
rewind($version_lock['handle']); |
| 1357 |
|
| 1358 |
if ( |
| 1359 |
ftruncate($version_lock['handle'], 0) && |
| 1360 |
strlen($version) === fwrite($version_lock['handle'], $version) && // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fwrite |
| 1361 |
fflush($version_lock['handle']) |
| 1362 |
) { |
| 1363 |
|
| 1364 |
self::record_installed_wordpress_version($version, false); |
| 1365 |
return true; |
| 1366 |
|
| 1367 |
} |
| 1368 |
|
| 1369 |
return false; |
| 1370 |
|
| 1371 |
} |
| 1372 |
|
| 1373 |
global $wpdb; |
| 1374 |
|
| 1375 |
// Keep the fallback current without routing the write through a persistent object cache. |
| 1376 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 1377 |
$result = $wpdb->query($wpdb->prepare("INSERT INTO {$wpdb->options} (option_name, option_value, autoload) VALUES (%s, %s, 'yes') ON DUPLICATE KEY UPDATE option_value = VALUES(option_value)", 'bwpl_wp_version', $version)); |
| 1378 |
wp_cache_delete('bwpl_wp_version', 'options'); |
| 1379 |
wp_cache_delete('alloptions', 'options'); |
| 1380 |
|
| 1381 |
return false !== $result; |
| 1382 |
|
| 1383 |
} |
| 1384 |
|
| 1385 |
} |
| 1386 |
|
| 1387 |
if (!class_exists('bwplCommon')) { |
| 1388 |
|
| 1389 |
require_once(dirname(__FILE__) . '/includes/class-bwpl-common.php'); |
| 1390 |
|
| 1391 |
} |
| 1392 |
|
| 1393 |
(new bwpl_class())->bwpl_load(); |
| 1394 |
|
| 1395 |
} |
| 1396 |
|
