wp-2fa.php
| 1 | <?php |
| 2 | /** |
| 3 | * WP 2FA - Two-factor authentication for WordPress . |
| 4 | * |
| 5 | * @copyright Copyright (C) 2013-2025, Melapress - support@melapress.com |
| 6 | * @license http://www.gnu.org/licenses/gpl-3.0.html GNU General Public License, version 3 or higher |
| 7 | * |
| 8 | * @wordpress-plugin |
| 9 | * Plugin Name: WP 2FA - Two-factor authentication for WordPress |
| 10 | * Version: 2.9.3 |
| 11 | * Plugin URI: https://melapress.com/ |
| 12 | * Description: Easily add an additional layer of security to your WordPress login pages. Enable Two-Factor Authentication for you and all your website users with this easy to use plugin. |
| 13 | * Author: Melapress |
| 14 | * Author URI: https://melapress.com/ |
| 15 | * Text Domain: wp-2fa |
| 16 | * Domain Path: /languages/ |
| 17 | * License: GPL v3 |
| 18 | * Requires at least: 5.5 |
| 19 | * Requires PHP: 7.4 |
| 20 | * Network: true |
| 21 | * |
| 22 | * @package WP2FA |
| 23 | * |
| 24 | * This program is free software: you can redistribute it and/or modify |
| 25 | * it under the terms of the GNU General Public License as published by |
| 26 | * the Free Software Foundation, either version 3 of the License, or |
| 27 | * (at your option) any later version. |
| 28 | * |
| 29 | * This program is distributed in the hope that it will be useful, |
| 30 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 31 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 32 | * GNU General Public License for more details. |
| 33 | * |
| 34 | * You should have received a copy of the GNU General Public License |
| 35 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 36 | * |
| 37 | * @fs_ignore /dist/, /extensions/, /freemius/, /includes/, /languages/, /third-party/, /vendor/ |
| 38 | */ |
| 39 | |
| 40 | use WP2FA\WP2FA; |
| 41 | use WP2FA\Utils\Migration; |
| 42 | use WP2FA\Extensions_Loader; |
| 43 | use WP2FA\Admin\Helpers\WP_Helper; |
| 44 | use WP2FA\Freemius\Freemius_Helper; |
| 45 | use WP2FA\Admin\Helpers\File_Writer; |
| 46 | |
| 47 | if ( ! defined( 'ABSPATH' ) ) { |
| 48 | exit; |
| 49 | } |
| 50 | |
| 51 | if ( defined( '\DISABLE_2FA_LOGIN' ) && \DISABLE_2FA_LOGIN ) { |
| 52 | return; |
| 53 | } |
| 54 | |
| 55 | \add_action( 'doing_it_wrong_trigger_error', 'wp_2fa_trigger_error', 10, 4 ); |
| 56 | \add_action( 'doing_it_wrong_run', 'wp_2fa_action_doing_it_wrong_run', 0, 3 ); |
| 57 | \add_action( 'doing_it_wrong_run', 'wp_2fa_action_doing_it_wrong_run', 20, 3 ); |
| 58 | \add_action( 'aadvana_trigger_error_doing_it_wrong', 'wp_2fa_trigger_error', 0, 4 ); |
| 59 | |
| 60 | // Useful global constants. |
| 61 | if ( ! defined( 'WP_2FA_VERSION' ) ) { |
| 62 | define( 'WP_2FA_VERSION', '2.9.3' ); |
| 63 | define( 'WP_2FA_BASE', plugin_basename( __FILE__ ) ); |
| 64 | define( 'WP_2FA_URL', plugin_dir_url( __FILE__ ) ); |
| 65 | define( 'WP_2FA_PATH', WP_PLUGIN_DIR . DIRECTORY_SEPARATOR . dirname( WP_2FA_BASE ) . DIRECTORY_SEPARATOR ); |
| 66 | define( 'WP_2FA_INC', WP_2FA_PATH . 'includes/' ); |
| 67 | define( 'WP_2FA_FILE', __FILE__ ); |
| 68 | define( 'WP_2FA_LOGS_DIR', 'wp-2fa-logs' ); |
| 69 | |
| 70 | // Prefix used in usermetas, settings and transients. |
| 71 | define( 'WP_2FA_PREFIX', 'wp_2fa_' ); |
| 72 | define( 'WP_2FA_POLICY_SETTINGS_NAME', WP_2FA_PREFIX . 'policy' ); |
| 73 | define( 'WP_2FA_SETTINGS_NAME', WP_2FA_PREFIX . 'settings' ); |
| 74 | define( 'WP_2FA_WHITE_LABEL_SETTINGS_NAME', WP_2FA_PREFIX . 'white_label' ); |
| 75 | define( 'WP_2FA_EMAIL_SETTINGS_NAME', WP_2FA_PREFIX . 'email_settings' ); |
| 76 | |
| 77 | define( 'WP_2FA_PREFIX_PAGE', 'wp-2fa-' ); |
| 78 | |
| 79 | define( 'WP_2FA_TEXTDOMAIN', 'wp-2fa' ); |
| 80 | } |
| 81 | |
| 82 | // phpcs:disable |
| 83 | // phpcs:enable |
| 84 | // Include files. |
| 85 | require_once WP_2FA_INC . 'functions/core.php'; |
| 86 | |
| 87 | // Require Composer autoloader if it exists. |
| 88 | if ( file_exists( WP_2FA_PATH . 'vendor/autoload.php' ) ) { |
| 89 | require_once WP_2FA_PATH . 'vendor/autoload.php'; |
| 90 | } |
| 91 | |
| 92 | // run any required update routines. |
| 93 | Migration::migrate(); |
| 94 | |
| 95 | // Setup_Wizard. |
| 96 | if ( WP_Helper::is_multisite() ) { |
| 97 | \add_action( 'network_admin_menu', array( '\WP2FA\Admin\Setup_Wizard', 'network_admin_menus' ), 10 ); |
| 98 | \add_action( 'admin_menu', array( '\WP2FA\Admin\Setup_Wizard', 'admin_menus' ), 10 ); |
| 99 | } else { |
| 100 | \add_action( 'admin_menu', array( '\WP2FA\Admin\Setup_Wizard', 'admin_menus' ), 10 ); |
| 101 | } |
| 102 | |
| 103 | // Activation/Deactivation. |
| 104 | \register_activation_hook( WP_2FA_FILE, '\WP2FA\Core\activate' ); |
| 105 | \register_deactivation_hook( WP_2FA_FILE, '\WP2FA\Core\deactivate' ); |
| 106 | // Register our uninstallation hook. |
| 107 | \register_uninstall_hook( WP_2FA_FILE, '\WP2FA\Core\uninstall' ); |
| 108 | |
| 109 | \add_filter( 'plugins_loaded', array( WP2FA::class, 'init' ) ); |
| 110 | \add_action( 'plugins_loaded', array( WP2FA::class, 'add_wizard_actions' ), 10 ); |
| 111 | |
| 112 | |
| 113 | // phpcs:disable |
| 114 | // phpcs:enable |
| 115 | |
| 116 | if ( ! defined( File_Writer::SECRET_NAME ) ) { |
| 117 | define( File_Writer::SECRET_NAME, WP2FA::get_secret_key() ); |
| 118 | |
| 119 | define( 'WP2FA_SECRET_IS_IN_DB', true ); |
| 120 | } |
| 121 | |
| 122 | // phpcs:disable |
| 123 | /* @free:start */ |
| 124 | // phpcs:enable |
| 125 | if ( ! function_exists( 'wp2fa_free_on_plugin_activation' ) ) { |
| 126 | /** |
| 127 | * Takes care of deactivation of the premium plugin when the free plugin is activated. |
| 128 | * |
| 129 | * Note: This code MUST NOT be present in the premium version an is removed automatically during the build process. |
| 130 | * |
| 131 | * @since 2.0.0 |
| 132 | */ |
| 133 | function wp2fa_free_on_plugin_activation() { |
| 134 | $premium_version_slug = 'wp-2fa-premium/wp-2fa.php'; |
| 135 | if ( is_plugin_active( $premium_version_slug ) ) { |
| 136 | deactivate_plugins( $premium_version_slug, true ); |
| 137 | } |
| 138 | check_ssl(); |
| 139 | } |
| 140 | |
| 141 | \register_activation_hook( __FILE__, 'wp2fa_free_on_plugin_activation' ); |
| 142 | } |
| 143 | // phpcs:disable |
| 144 | /* @free:end */ |
| 145 | // phpcs:enable |
| 146 | |
| 147 | /* |
| 148 | * Clears the config cache from the DB |
| 149 | * |
| 150 | * @return void |
| 151 | * |
| 152 | * @since 2.2.0 |
| 153 | */ |
| 154 | \add_action( |
| 155 | 'upgrader_process_complete', |
| 156 | function () { |
| 157 | delete_transient( 'wp_2fa_config_file_hash' ); |
| 158 | }, |
| 159 | 10, |
| 160 | 2 |
| 161 | ); |
| 162 | |
| 163 | if ( ! function_exists( 'wp_2f_is_just_in_time_for_2fa_domain' ) ) { |
| 164 | /** |
| 165 | * Whether it is the just_in_time_error for wp-2fa domains. |
| 166 | * |
| 167 | * @since 2.9.0 |
| 168 | * |
| 169 | * @param string $status Status of the error. |
| 170 | * @param string $function_name Function name. |
| 171 | * @param string $message Message. |
| 172 | * |
| 173 | * @return bool |
| 174 | */ |
| 175 | function wp_2f_is_just_in_time_for_2fa_domain( $status, string $function_name, string $message ): bool { |
| 176 | |
| 177 | return '_load_textdomain_just_in_time' === $function_name && strpos( $message, '<code>' . WP_2FA_TEXTDOMAIN ) !== false; |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | if ( ! function_exists( 'wp_2fa_trigger_error' ) ) { |
| 182 | /** |
| 183 | * Catches errors which come from the doing_it_wrong() function, WP core does not provide much information about what is really going on and where, this method adds some more information to the error log. |
| 184 | * |
| 185 | * @param bool $status - Whether to trigger the error for _doing_it_wrong() calls. Default true. |
| 186 | * @param string $function_name - The name of the function that triggered the error (this is the WP function which is not called right, not the real function that actually called it). |
| 187 | * @param string $errstr - The WP error string (message). |
| 188 | * @param string $version - Since which WP version given error was added. |
| 189 | * @param int $errno - The number of the error (type of the error - that probably never get set by WP and always falls to the default which is E_USER_NOTICE). |
| 190 | * |
| 191 | * @return bool |
| 192 | * |
| 193 | * @since 2.9.0 |
| 194 | */ |
| 195 | function wp_2fa_trigger_error( $status, string $function_name, $errstr, $version, $errno = E_USER_NOTICE ) { |
| 196 | |
| 197 | if ( false === $status ) { |
| 198 | return $status; |
| 199 | } |
| 200 | |
| 201 | if ( wp_2f_is_just_in_time_for_2fa_domain( '', $function_name, $errstr ) ) { |
| 202 | // This error code is not included in error_reporting, so let it fall. |
| 203 | // through to the standard PHP error handler. |
| 204 | return false; |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | if ( ! function_exists( 'wp_2fa_action_doing_it_wrong_run' ) ) { |
| 210 | /** |
| 211 | * Action for _doing_it_wrong() calls. |
| 212 | * |
| 213 | * @since 2.9.0 |
| 214 | * |
| 215 | * @param string $function_name The function that was called. |
| 216 | * @param string $message A message explaining what has been done incorrectly. |
| 217 | * @param string $version The version of WordPress where the message was added. |
| 218 | * |
| 219 | * @return void |
| 220 | */ |
| 221 | function wp_2fa_action_doing_it_wrong_run( $function_name, $message, $version ) { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed |
| 222 | |
| 223 | global $wp_filter; |
| 224 | |
| 225 | $function_name = (string) $function_name; |
| 226 | $message = (string) $message; |
| 227 | |
| 228 | if ( ! class_exists( '\QM_Collectors', false ) || ! wp_2f_is_just_in_time_for_2fa_domain( '', $function_name, $message ) ) { |
| 229 | return; |
| 230 | } |
| 231 | |
| 232 | $qm_collector_doing_it_wrong = \QM_Collectors::get( 'doing_it_wrong' ); |
| 233 | $current_priority = $wp_filter['doing_it_wrong_run']->current_priority(); |
| 234 | |
| 235 | if ( null === $qm_collector_doing_it_wrong || false === $current_priority ) { |
| 236 | return; |
| 237 | } |
| 238 | |
| 239 | switch ( $current_priority ) { |
| 240 | case 0: |
| 241 | \remove_action( 'doing_it_wrong_run', array( $qm_collector_doing_it_wrong, 'action_doing_it_wrong_run' ) ); |
| 242 | break; |
| 243 | |
| 244 | case 20: |
| 245 | \add_action( 'doing_it_wrong_run', array( $qm_collector_doing_it_wrong, 'action_doing_it_wrong_run' ), 10, 3 ); |
| 246 | break; |
| 247 | |
| 248 | default: |
| 249 | break; |
| 250 | } |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | if ( ! function_exists( 'check_ssl' ) ) { |
| 255 | /** |
| 256 | * Checks if the required library is installed and cancels the process if not. |
| 257 | * |
| 258 | * @return void |
| 259 | * |
| 260 | * @since 2.2.0 |
| 261 | */ |
| 262 | function check_ssl() { |
| 263 | if ( ! \WP2FA\Authenticator\Open_SSL::is_ssl_available() ) { |
| 264 | $html = '<div class="updated notice is-dismissible"> |
| 265 | <p>' . \esc_html__( 'This plugin requires OpenSSL. Contact your web host or website administrator so they can enable OpenSSL. Re-activate the plugin once the library has been enabled.', 'wp-2fa' ) |
| 266 | . '</p> |
| 267 | </div>'; |
| 268 | |
| 269 | echo $html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 270 | |
| 271 | exit(); |
| 272 | } |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | if ( \PHP_VERSION_ID < 80000 && ! \interface_exists( 'Stringable' ) ) { |
| 277 | // phpcs:ignore Universal.Files.SeparateFunctionsFromOO.Mixed |
| 278 | interface Stringable { |
| 279 | /** |
| 280 | * Mockup function for PHP versions lower than 8. |
| 281 | * |
| 282 | * @return string |
| 283 | */ |
| 284 | public function __toString(); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | if ( ! function_exists( 'str_starts_with' ) ) { |
| 289 | /** |
| 290 | * PHP lower than 8 is missing that function but it required in the newer versions of our plugin. |
| 291 | * |
| 292 | * @param string $haystack - The string to search in. |
| 293 | * @param string $needle - The needle to search for. |
| 294 | * |
| 295 | * @return bool |
| 296 | * |
| 297 | * @since 2.6.4 |
| 298 | */ |
| 299 | function str_starts_with( $haystack, $needle ): bool { |
| 300 | if ( '' === $needle ) { |
| 301 | return true; |
| 302 | } |
| 303 | |
| 304 | return 0 === strpos( $haystack, $needle ); |
| 305 | } |
| 306 | } |
| 307 |