| 1 |
<?php |
| 2 |
/** |
| 3 |
* Handles Web Authentication (WebAuthn) for Two-Factor Authentication. |
| 4 |
* |
| 5 |
* @package WP_Defender\Component\Two_Factor\Providers |
| 6 |
*/ |
| 7 |
|
| 8 |
namespace WP_Defender\Component\Two_Factor\Providers; |
| 9 |
|
| 10 |
use WP_User; |
| 11 |
use WP_Error; |
| 12 |
use WP_Defender\Component\Two_Fa; |
| 13 |
use WP_Defender\Behavior\WPMUDEV; |
| 14 |
use WP_Defender\Traits\Webauthn as Webauthn_Trait; |
| 15 |
use WP_Defender\Component\Webauthn as Webauthn_Component; |
| 16 |
use WP_Defender\Component\Two_Factor\Two_Factor_Provider; |
| 17 |
use WP_Defender\Controller\Webauthn as Webauthn_Controller; |
| 18 |
|
| 19 |
/** |
| 20 |
* Handle Web Authentication (WebAuthn) for Two-Factor Authentication. |
| 21 |
* |
| 22 |
* @since 3.0.0 |
| 23 |
*/ |
| 24 |
class Webauthn extends Two_Factor_Provider { |
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|
| 26 |
use Webauthn_Trait; |
| 27 |
|
| 28 |
/** |
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* 2fa provider slug. |
| 30 |
* |
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* @var string |
| 32 |
*/ |
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public static $slug = 'webauthn'; |
| 34 |
|
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/** |
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* Constructor for the Biometric provider. |
| 37 |
*/ |
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public function __construct() { |
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add_action( 'wd_2fa_user_options_' . self::$slug, array( $this, 'user_options' ) ); |
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} |
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|
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/** |
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* Get the name of the provider. |
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* |
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* @return string |
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*/ |
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public function get_label(): string { |
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return $this->get_user_label(); |
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} |
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|
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/** |
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* Get login label. |
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* |
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* @return string |
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*/ |
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public function get_login_label(): string { |
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return $this->get_user_label(); |
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} |
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|
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/** |
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* Get user label. |
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* |
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* @return string |
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*/ |
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public function get_user_label(): string { |
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return esc_html__( 'Web Authentication', 'defender-security' ); |
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} |
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|
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/** |
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* Get the desc of the provider. |
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* |
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* @return string |
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*/ |
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public function get_description(): string { |
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return esc_html__( |
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"Authenticate login using your device's built-in fingerprint, facial recognition, or an external hardware security key.", |
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'defender-security' |
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); |
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} |
| 80 |
|
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/** |
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* Display auth method. |
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* |
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* @param WP_User $user WP_User object of the logged-in user. |
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*/ |
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public function user_options( WP_User $user ): void { |
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$notices = array( |
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array( |
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'type' => 'info', |
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'extra_class' => 'additional-2fa-method', |
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'style' => 'display: none', |
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'message' => esc_html__( |
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'Access from unregistered devices will be denied. To avoid this, consider setting up an additional authentication method.', |
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'defender-security' |
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), |
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), |
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); |
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|
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$missed_requirement_message = $this->missed_requirement_message(); |
| 100 |
$user_has_admin_capability = current_user_can( 'manage_options' ); |
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|
| 102 |
if ( $user_has_admin_capability ) { |
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$notice_message = $missed_requirement_message['warning']; |
| 104 |
} else { |
| 105 |
$notice_message = esc_html__( |
| 106 |
'Your site doesn\'t meet the web authentication requirement. Please contact your site\'s administrator to fix this issue.', |
| 107 |
'defender-security' |
| 108 |
); |
| 109 |
} |
| 110 |
|
| 111 |
$all_server_requirement_passed = $missed_requirement_message['all_server_requirement_passed']; |
| 112 |
|
| 113 |
if ( $all_server_requirement_passed ) { |
| 114 |
$message = $missed_requirement_message['browser_message']; |
| 115 |
$extra_class = ' browser-notice '; |
| 116 |
} else { |
| 117 |
$message = $notice_message; |
| 118 |
$extra_class = ' has-server-error '; |
| 119 |
} |
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|
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$notices[] = array( |
| 122 |
'type' => 'warning', |
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'extra_class' => $extra_class, |
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'style' => '', |
| 125 |
'message' => $message, |
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); |
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|
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$translations = wd_di()->get( Webauthn_Controller::class )->get_translations(); |
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$notices[] = array( |
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'type' => 'warning', |
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'extra_class' => ' user-handle-mismatch ', |
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'style' => 'display: none', |
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'is_dismissible' => true, |
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'message' => $translations['user_handle_mismatch_main_notice'], |
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|
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); |
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|
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$this->get_controller()->render_partial( |
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'two-fa/providers/biometric', |
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array( |
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'notices' => $notices, |
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) |
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); |
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} |
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|
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/** |
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* Whether this 2FA provider is configured and available for the user specified. |
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* |
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* @param WP_User $user WP_User object of the logged-in user. |
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* |
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* @return bool |
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*/ |
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public function is_available_for_user( WP_User $user ): bool { |
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return true; |
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} |
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|
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/** |
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* Authentication form markup. |
| 159 |
* |
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* @return void |
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*/ |
| 162 |
public function authentication_form() { |
| 163 |
?> |
| 164 |
<div class="welcome-screen"> |
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<p class="wpdef-2fa-label"><?php echo $this->get_login_label(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></p> |
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<p><?php esc_html_e( 'Select an authentication method to continue.', 'defender-security' ); ?></p> |
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<div class="option-row" data-authType="platform"> |
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<span class="icon biometric"></span> |
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<span> |
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<strong class="option-hd"><?php esc_html_e( 'Biometric Authentication', 'defender-security' ); ?></strong> |
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<?php esc_html_e( 'Use fingerprint or facial recognition', 'defender-security' ); ?> |
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</span> |
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</div> |
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<div class="option-row" data-authType="cross-platform"> |
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<span class="icon hardware"></span> |
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<span> |
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<strong class="option-hd"><?php esc_html_e( 'Hardware Key Authentication', 'defender-security' ); ?></strong> |
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<?php esc_html_e( 'Use USB security keys to login', 'defender-security' ); ?> |
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</span> |
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</div> |
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</div> |
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<div class="webauthn-content-wrap"> |
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<div class="webauthn-platform" style="display:none;"> |
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<p class="wpdef-2fa-label"><?php esc_html_e( 'Biometric Authentication', 'defender-security' ); ?></p> |
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<p class="wpdef-2fa-text"> |
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<?php |
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esc_html_e( |
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'Please verify your identity using fingerprint or facial recognition.', |
| 189 |
'defender-security' |
| 190 |
); |
| 191 |
?> |
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</p> |
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</div> |
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<div class="webauthn-cross-platform" style="display:none;"> |
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<p class="wpdef-2fa-label"><?php esc_html_e( 'Hardware Key Authentication', 'defender-security' ); ?></p> |
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<p class="wpdef-2fa-text"> |
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<?php esc_html_e( 'Insert and tap on your USB security key to login.', 'defender-security' ); ?> |
| 198 |
</p> |
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</div> |
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<p class="wpdef-2fa-text wpdef-2fa-biometric-process-desc" style="display: none;"> |
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<img class="def-loader" src="<?php defender_asset_url( '/assets/img/spinner.svg', true ); ?>" |
| 202 |
alt="loading"> |
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<?php esc_html_e( 'Verification in process...', 'defender-security' ); ?> |
| 204 |
</p> |
| 205 |
<div class="wpdef-2fa-webauthn-control" style="display:none;"> |
| 206 |
<button type="button" class="button" |
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id="wpdef-2fa-webauthn-back-btn"><?php esc_html_e( 'Back', 'defender-security' ); ?></button> |
| 208 |
<button type="button" class="button button-primary float-r" id="wpdef-2fa-biometric-retry-btn"> |
| 209 |
<span class="dashicons dashicons-update"></span> |
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<?php esc_html_e( 'Retry', 'defender-security' ); ?> |
| 211 |
</button> |
| 212 |
</div> |
| 213 |
<input type="hidden" id="wpdef-2fa-biometric-data" name="data"/> |
| 214 |
<input type="hidden" id="wpdef-2fa-biometric-username" name="username"/> |
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<input type="hidden" id="wpdef-2fa-biometric-client-id" name="client_id"/> |
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<input type="hidden" id="wpdef-2fa-biometric-nonce" name="_def_nonce"/> |
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<button id="wpdef-2fa-biometric-submit-btn" type="submit" style="display:none;"></button> |
| 218 |
</div> |
| 219 |
<?php |
| 220 |
} |
| 221 |
|
| 222 |
/** |
| 223 |
* Whether this 2FA provider is configured and available for the user specified. |
| 224 |
* |
| 225 |
* @param WP_User $user The user to authenticate. |
| 226 |
* |
| 227 |
* @return bool|WP_Error |
| 228 |
*/ |
| 229 |
public function validate_authentication( WP_User $user ) { |
| 230 |
$webauthn_controller = wd_di()->get( Webauthn_Controller::class ); |
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// Pass $user explicitly to avoid broken binding between authentication stages. |
| 232 |
$response = $webauthn_controller->verify_response( true, $user ); |
| 233 |
|
| 234 |
if ( isset( $response['success'] ) && true === $response['success'] ) { |
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return true; |
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} else { |
| 237 |
// No attempt-checks. |
| 238 |
$translations = $webauthn_controller->get_translations(); |
| 239 |
|
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if ( 'Invalid user handle' === $response['data']['message'] ) { |
| 241 |
$message = $translations['login_user_handle_match_failed']; |
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} else { |
| 243 |
$message = $translations['login_failed']; |
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} |
| 245 |
|
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return new WP_Error( 'opt_fail', $message ); |
| 247 |
} |
| 248 |
} |
| 249 |
|
| 250 |
/** |
| 251 |
* Create missed requirement message. |
| 252 |
* Create dynamic message with boolean flag for all server requirement passed. |
| 253 |
* |
| 254 |
* @return array Dynamic message with boolean flag for all server requirement passed. |
| 255 |
*/ |
| 256 |
private function missed_requirement_message(): array { |
| 257 |
$warning_count = 0; |
| 258 |
$all_server_requirement_passed = true; |
| 259 |
$warning_core_message = ''; |
| 260 |
|
| 261 |
if ( ! $this->is_ssl() ) { |
| 262 |
++$warning_count; |
| 263 |
$all_server_requirement_passed = false; |
| 264 |
$warning_core_message .= esc_html__( 'SSL certificate or HTTPS is not forced. ', 'defender-security' ); |
| 265 |
} |
| 266 |
|
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$extension_warning_message = $this->get_extension_warning_message(); |
| 268 |
|
| 269 |
if ( '' !== $extension_warning_message ) { |
| 270 |
$warning_count += count( $this->get_failed_extension() ); |
| 271 |
$all_server_requirement_passed = false; |
| 272 |
$warning_core_message .= $extension_warning_message; |
| 273 |
} |
| 274 |
|
| 275 |
$browser_extension_message = '<span class="browser-incompatible-msg">'; |
| 276 |
$browser_extension_message .= sprintf( |
| 277 |
/* translators: %s: Browser version */ |
| 278 |
esc_html__( |
| 279 |
'The current browser version %s is not compatible with this feature, please update your browser version, or try a different one. ', |
| 280 |
'defender-security' |
| 281 |
), |
| 282 |
'<span class="browser-version">' . $this->get_browser_name() . '</span>' |
| 283 |
); |
| 284 |
$browser_extension_message .= '</span>'; |
| 285 |
|
| 286 |
$warning_prefix = _n( |
| 287 |
'Your site doesn\'t meet the web authentication requirement. ', |
| 288 |
'Your site doesn\'t meet the web authentication requirements. ', |
| 289 |
$warning_count, |
| 290 |
'defender-security' |
| 291 |
); |
| 292 |
$warning_suffix = $this->get_warning_suffix(); |
| 293 |
|
| 294 |
$warning = $warning_prefix . $warning_core_message . $browser_extension_message . $warning_suffix; |
| 295 |
|
| 296 |
$browser_message = $warning_prefix . $browser_extension_message . $warning_suffix; |
| 297 |
|
| 298 |
return array( |
| 299 |
'warning' => $warning, |
| 300 |
'all_server_requirement_passed' => $all_server_requirement_passed, |
| 301 |
'browser_message' => $browser_message, |
| 302 |
); |
| 303 |
} |
| 304 |
|
| 305 |
/** |
| 306 |
* Get list of failed extensions. |
| 307 |
* |
| 308 |
* @return array Array of failed extensions or empty array if all extensions exists. |
| 309 |
*/ |
| 310 |
private function get_failed_extension(): array { |
| 311 |
$failed_extensions = array(); |
| 312 |
|
| 313 |
if ( ! $this->is_enabled_gmp() ) { |
| 314 |
$failed_extensions[] = 'GMP'; |
| 315 |
} |
| 316 |
|
| 317 |
if ( ! $this->is_enabled_mbstring() ) { |
| 318 |
$failed_extensions[] = 'MBSTRING'; |
| 319 |
} |
| 320 |
|
| 321 |
if ( ! $this->is_enabled_sodium() ) { |
| 322 |
$failed_extensions[] = 'SODIUM'; |
| 323 |
} |
| 324 |
|
| 325 |
return $failed_extensions; |
| 326 |
} |
| 327 |
|
| 328 |
/** |
| 329 |
* Concatenate multiple failed extensions. |
| 330 |
* Form a comma separated with and before last element string from array of elements, if elements is more than two. |
| 331 |
* |
| 332 |
* @param array $extensions list of failed extensions. |
| 333 |
* |
| 334 |
* @return string Return concatenated string on success else empty string. |
| 335 |
*/ |
| 336 |
private function concatenate_failed_extensions( array $extensions ): string { |
| 337 |
if ( count( $extensions ) === 1 ) { |
| 338 |
return $extensions[0]; |
| 339 |
} |
| 340 |
|
| 341 |
if ( count( $extensions ) > 1 ) { |
| 342 |
$last_extension = esc_html__( ' and ', 'defender-security' ) . array_pop( $extensions ); |
| 343 |
|
| 344 |
return implode( ', ', $extensions ) . $last_extension; |
| 345 |
} |
| 346 |
|
| 347 |
return ''; |
| 348 |
} |
| 349 |
|
| 350 |
/** |
| 351 |
* Create extension warning message |
| 352 |
* |
| 353 |
* @return string Warning message if extension not met the requirement or empty string for met requirement. |
| 354 |
*/ |
| 355 |
private function get_extension_warning_message(): string { |
| 356 |
$message = ''; |
| 357 |
$failed_extensions = $this->get_failed_extension(); |
| 358 |
$failed_extensions_count = count( $failed_extensions ); |
| 359 |
|
| 360 |
if ( $failed_extensions_count > 0 ) { |
| 361 |
$extension_string = $this->concatenate_failed_extensions( $failed_extensions ); |
| 362 |
|
| 363 |
$message .= sprintf( |
| 364 |
/* translators: %s: Missing PHP extension(s) */ |
| 365 |
_n( |
| 366 |
'The <strong>%s extension</strong> is not active on your server. ', |
| 367 |
'The <strong>%s extensions</strong> are not active on your server. ', |
| 368 |
$failed_extensions_count, |
| 369 |
'defender-security' |
| 370 |
), |
| 371 |
$extension_string |
| 372 |
); |
| 373 |
} |
| 374 |
|
| 375 |
return $message; |
| 376 |
} |
| 377 |
|
| 378 |
/** |
| 379 |
* Retrieves the browser name and optionally the version. |
| 380 |
* |
| 381 |
* @param bool $with_version Whether to include the version number. |
| 382 |
* |
| 383 |
* @return string Browser name, optionally including the version. |
| 384 |
*/ |
| 385 |
private function get_browser_name( $with_version = true ): string { |
| 386 |
if ( ! function_exists( 'wp_check_browser_version' ) ) { |
| 387 |
include_once ABSPATH . 'wp-admin/includes/dashboard.php'; |
| 388 |
} |
| 389 |
|
| 390 |
$browser = wp_check_browser_version(); |
| 391 |
$browser_string = $browser['name'] . ( $with_version ? ' ' . $browser['version'] : '' ); |
| 392 |
|
| 393 |
return $browser_string; |
| 394 |
} |
| 395 |
|
| 396 |
/** |
| 397 |
* Determine the warning suffix. |
| 398 |
* |
| 399 |
* @return string Warning suffix sentence. |
| 400 |
*/ |
| 401 |
private function get_warning_suffix(): string { |
| 402 |
$warning_suffix = ''; |
| 403 |
if ( ( new WPMUDEV() )->show_support_links() ) { |
| 404 |
$warning_suffix = defender_support_ticket_text(); |
| 405 |
} |
| 406 |
|
| 407 |
return $warning_suffix; |
| 408 |
} |
| 409 |
|
| 410 |
/** |
| 411 |
* Check if OTP screen should be shown to user. |
| 412 |
* |
| 413 |
* @param WP_User $user The user to check. |
| 414 |
* |
| 415 |
* @return bool |
| 416 |
* @since 3.3.0 |
| 417 |
*/ |
| 418 |
public function is_otp_screen_available( WP_User $user ): bool { |
| 419 |
$is_available = false; |
| 420 |
$service_two_fa = wd_di()->get( Two_Fa::class ); |
| 421 |
$enabled_providers = $service_two_fa->get_enabled_providers_for_user( $user ); |
| 422 |
|
| 423 |
if ( isset( $user->ID ) && $user->ID > 0 && true === in_array( self::$slug, $enabled_providers, true ) ) { |
| 424 |
$controller = wd_di()->get( Webauthn_Controller::class ); |
| 425 |
$service_webauthn = wd_di()->get( Webauthn_Component::class ); |
| 426 |
$user_entity = $controller->get_user_entity( $user->ID ); |
| 427 |
|
| 428 |
if ( false !== $user_entity ) { |
| 429 |
$credential_sources = $service_webauthn->findAllForUserEntity( $user_entity ); |
| 430 |
|
| 431 |
if ( is_array( $credential_sources ) && 0 < count( $credential_sources ) ) { |
| 432 |
$is_available = true; |
| 433 |
} |
| 434 |
} |
| 435 |
} |
| 436 |
|
| 437 |
return $is_available; |
| 438 |
} |
| 439 |
} |
| 440 |
|
