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<?php |
| 2 |
/** |
| 3 |
* Password less class |
| 4 |
* |
| 5 |
* @since 1.4 |
| 6 |
* @package dologin |
| 7 |
*/ |
| 8 |
|
| 9 |
namespace dologin; |
| 10 |
|
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defined( 'WPINC' ) || exit; |
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|
| 13 |
class Pswdless extends Instance { |
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|
| 15 |
const TYPE_GEN = 'gen'; |
| 16 |
const TYPE_LOCK = 'lock'; |
| 17 |
const TYPE_DEL = 'del'; |
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const TYPE_TOGGLE_ONETIME = 'toggle_onetime'; |
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const TYPE_EXPIRE_7 = 'expire_7'; |
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|
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private $_tb; |
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|
| 23 |
protected function __construct() { |
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$this->_tb = $this->cls( 'Data' )->tb( 'pswdless' ); |
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} |
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|
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/** |
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* Init |
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* |
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* @since 1.4 |
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*/ |
| 32 |
public function init() { |
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 34 |
if ( ! empty( $_GET['dologin'] ) ) { |
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add_action( 'init', array( $this, 'try_login' ) ); |
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} |
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} |
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|
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/** |
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* Login |
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* |
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* @since 1.4 |
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*/ |
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public function try_login() { |
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global $wpdb; |
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|
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$username = 'N/A'; |
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if ( KLSso::force_enabled() ) { |
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$this->_error_page( 'dologin_kl_sso_required', 403 ); |
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} |
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|
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// This endpoint bypasses wp-login and must apply the same IP rules and failure limits. |
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if ( $this->cls( 'Auth' )->is_ip_denied() ) { |
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$this->_error_page( 'dologin_ip_denied', 403 ); |
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} |
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if ( $this->cls( 'Auth' )->is_rate_limited() ) { |
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$this->_error_page( 'dologin_rate_limited', 429 ); |
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} |
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|
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// Magic-link endpoint authenticated by the secret token in the URL, not a nonce. |
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
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$raw_token = isset( $_GET['dologin'] ) && is_string( $_GET['dologin'] ) ? sanitize_text_field( wp_unslash( $_GET['dologin'] ) ) : ''; |
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$info = explode( '.', $raw_token ); |
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if ( 2 !== count( $info ) || empty( $info[0] ) || empty( $info[1] ) ) { |
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return $this->_failed_login( $username ); |
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} |
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|
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$pid = (int) $info[0]; |
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if ( $pid <= 0 ) { |
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return $this->_failed_login( $username ); |
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} |
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|
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// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter, WordPress.DB.DirectDatabaseQuery --$this->_tb is a hardcoded internal table name; id is prepared. |
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$row = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM `$this->_tb` WHERE id = %d", $pid ) ); |
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if ( $row ) { |
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$user_info = get_userdata( $row->user_id ); |
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if ( $user_info ) { |
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$username = $user_info->user_login; |
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} |
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} |
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|
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if ( ! $row || ! $user_info || ! Secret::verify_token( 'passwordless-login', (string) $info[1], (string) $row->hash ) ) { |
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return $this->_failed_login( $username ); |
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} |
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|
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if ( $row->active != 1 ) { |
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$this->_error_page( 'dologin_link_used', 410 ); |
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} |
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|
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if ( $row->expired_at < time() ) { |
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$this->_error_page( 'dologin_link_expired', 410 ); |
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} |
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|
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$confirm_nonce_action = 'dologin_pswdless_confirm_' . hash( 'sha256', $raw_token ); |
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|
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// Show login confirm page. |
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// phpcs:ignore WordPress.Security.NonceVerification.Missing |
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if ( empty( $_POST['confirmed'] ) ) { |
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require_once DOLOGIN_DIR . 'tpl/pswdless_cfm.tpl.php'; |
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exit; |
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} |
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|
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// phpcs:ignore WordPress.Security.NonceVerification.Missing |
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$confirm_nonce = empty( $_POST['dologin_confirm_nonce'] ) || ! is_string( $_POST['dologin_confirm_nonce'] ) ? '' : sanitize_text_field( wp_unslash( $_POST['dologin_confirm_nonce'] ) ); |
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if ( ! wp_verify_nonce( $confirm_nonce, $confirm_nonce_action ) ) { |
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return $this->_failed_login( $username ); |
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} |
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|
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// Can login, update record first. |
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$q = "UPDATE `$this->_tb` SET last_used_at = %d, count = count + 1"; |
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if ( $row->onetime ) { |
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$q .= ', active = 0 '; |
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} |
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$q .= ' WHERE id = %d AND active = 1'; |
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// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter, WordPress.DB.DirectDatabaseQuery --$this->_tb is a hardcoded internal table name; values are prepared. |
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$updated = $wpdb->query( $wpdb->prepare( $q, array( time(), $pid ) ) ); |
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if ( 1 !== $updated ) { |
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$this->_error_page( 'dologin_link_used', 410 ); |
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} |
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|
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// Login. |
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wp_set_current_user( $user_info->ID ); |
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wp_set_auth_cookie( $user_info->ID, false ); |
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// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- firing the WordPress core hook on programmatic login. |
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do_action( 'wp_login', $user_info->user_login, $user_info ); |
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|
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nocache_headers(); |
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|
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Router::redirect( admin_url() ); |
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} |
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|
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/** |
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* Note failed login |
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* |
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* @since 1.4 |
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*/ |
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private function _failed_login( $username ) { |
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// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- firing the WordPress core hook. |
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do_action( 'wp_login_failed', $username ); |
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$this->_error_page( 'dologin_link_invalid', 403 ); |
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} |
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|
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/** |
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* Complete a rejected public token request with a localized page. |
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*/ |
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private function _error_page( $tag, $status_code ) { |
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GUI::error_page( $tag, $status_code ); |
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exit; |
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} |
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|
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/** |
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* Expiration set |
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* |
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* @since 1.4 |
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*/ |
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private function _expire_link() { |
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global $wpdb; |
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|
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
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$pid = empty( $_GET['dologin_id'] ) ? 0 : (int) $_GET['dologin_id']; |
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if ( $pid <= 0 ) { |
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return; |
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} |
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|
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$q = "UPDATE `$this->_tb` SET expired_at = GREATEST( expired_at, %d ) + 86400 * 7 WHERE id = %d"; |
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// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter, WordPress.DB.DirectDatabaseQuery --$this->_tb is a hardcoded internal table name; values are prepared. |
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$wpdb->query( $wpdb->prepare( $q, time(), $pid ) ); |
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} |
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|
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/** |
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* Switch one time |
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* |
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* @since 1.4 |
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*/ |
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private function _onetime_link() { |
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global $wpdb; |
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|
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
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$pid = empty( $_GET['dologin_id'] ) ? 0 : (int) $_GET['dologin_id']; |
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if ( $pid <= 0 ) { |
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return; |
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} |
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|
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$q = "UPDATE `$this->_tb` SET onetime = ( onetime + 1 ) % 2 WHERE id = %d"; |
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// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter, WordPress.DB.DirectDatabaseQuery --$this->_tb is a hardcoded internal table name; id is prepared. |
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$wpdb->query( $wpdb->prepare( $q, $pid ) ); |
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} |
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|
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/** |
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* Lock |
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* |
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* @since 1.4 |
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*/ |
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private function _lock_link() { |
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global $wpdb; |
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|
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
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$pid = empty( $_GET['dologin_id'] ) ? 0 : (int) $_GET['dologin_id']; |
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if ( $pid <= 0 ) { |
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return; |
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} |
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|
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$q = "UPDATE `$this->_tb` SET active = ( active + 1 ) % 2 WHERE id = %d"; |
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// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter, WordPress.DB.DirectDatabaseQuery --$this->_tb is a hardcoded internal table name; id is prepared. |
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$wpdb->query( $wpdb->prepare( $q, $pid ) ); |
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} |
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|
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/** |
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* Delete |
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* |
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* @since 1.4.1 |
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*/ |
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public function del_link( $pid = false ) { |
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global $wpdb; |
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|
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if ( ! $pid ) { |
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
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if ( empty( $_GET['dologin_id'] ) ) { |
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return; |
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} |
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|
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 223 |
$pid = (int) $_GET['dologin_id']; |
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} |
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|
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$pid = (int) $pid; |
| 227 |
if ( $pid <= 0 ) { |
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return; |
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} |
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|
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$q = "DELETE FROM `$this->_tb` WHERE id = %d"; |
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// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter, WordPress.DB.DirectDatabaseQuery --$this->_tb is a hardcoded internal table name; id is prepared. |
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$wpdb->query( $wpdb->prepare( $q, $pid ) ); |
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} |
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|
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/** |
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* Generate link |
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* |
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* @since 1.4 |
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* @access public |
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*/ |
| 242 |
public function gen_link( $src, $uid, $return_url = false ) { |
| 243 |
global $wpdb; |
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|
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$this->cls( 'Data' )->tb_create( 'pswdless' ); |
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|
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$uid = (int) $uid; |
| 248 |
$user_info = $uid > 0 ? get_userdata( $uid ) : false; |
| 249 |
if ( ! $user_info ) { |
| 250 |
if ( $return_url ) { |
| 251 |
return 'Invalid User ID'; |
| 252 |
} |
| 253 |
Router::redirect( admin_url( 'options-general.php?page=dologin' ) ); |
| 254 |
} |
| 255 |
|
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$token = s::rrand( 32 ); |
| 257 |
$hash = Secret::token_hash( 'passwordless-login', $token ); |
| 258 |
if ( ! $hash ) { |
| 259 |
if ( $return_url ) { |
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return false; |
| 261 |
} |
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wp_die( esc_html__( 'Failed to protect the passwordless login token.', 'dologin' ) ); |
| 263 |
} |
| 264 |
|
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$q = "INSERT INTO `$this->_tb` SET user_id = %d, hash = %s, dateline = %d, onetime = 1, active = 1, src = %s, expired_at = %d"; |
| 266 |
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter, WordPress.DB.DirectDatabaseQuery --$this->_tb is a hardcoded internal table name; values are prepared. |
| 267 |
$inserted = $wpdb->query( $wpdb->prepare( $q, array( $uid, $hash, time(), $src, time() + 86400 * 7 ) ) ); |
| 268 |
$id = $wpdb->insert_id; |
| 269 |
if ( 1 !== $inserted || $id <= 0 ) { |
| 270 |
if ( $return_url ) { |
| 271 |
return false; |
| 272 |
} |
| 273 |
wp_die( esc_html__( 'Failed to save the passwordless login link.', 'dologin' ) ); |
| 274 |
} |
| 275 |
|
| 276 |
$link = admin_url( '?dologin=' . $id . '.' . $token ); |
| 277 |
if ( $return_url ) { |
| 278 |
return $link; |
| 279 |
} |
| 280 |
|
| 281 |
$this->show_generated_link( $link ); |
| 282 |
} |
| 283 |
|
| 284 |
/** |
| 285 |
* Display a newly generated bearer link once without persisting its raw token. |
| 286 |
*/ |
| 287 |
private function show_generated_link( $link ) { |
| 288 |
$back = admin_url( 'options-general.php?page=dologin#pswdless' ); |
| 289 |
$message = '<p>' . esc_html__( 'Copy this passwordless login link now. For database-leak protection, its secret token is not stored and cannot be shown again.', 'dologin' ) . '</p>' |
| 290 |
. '<p><code style="display:block;overflow-wrap:anywhere;padding:12px;">' . esc_html( $link ) . '</code></p>' |
| 291 |
. '<p><a class="button button-primary" href="' . esc_url( $back ) . '">' . esc_html__( 'Continue to Passwordless Links', 'dologin' ) . '</a></p>'; |
| 292 |
wp_die( $message, esc_html__( 'Passwordless Link Created', 'dologin' ), array( 'response' => 200 ) ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- every dynamic value in the assembled admin-only message is escaped above. |
| 293 |
} |
| 294 |
|
| 295 |
/** |
| 296 |
* Handler |
| 297 |
* |
| 298 |
* @since 1.4 |
| 299 |
*/ |
| 300 |
public function handler() { |
| 301 |
$type = Router::verify_type(); |
| 302 |
|
| 303 |
switch ( $type ) { |
| 304 |
case self::TYPE_GEN: |
| 305 |
// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 306 |
if ( ! empty( $_GET['uid'] ) ) { |
| 307 |
$user = wp_get_current_user(); |
| 308 |
// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 309 |
$this->gen_link( $user->display_name, (int) $_GET['uid'] ); |
| 310 |
} |
| 311 |
break; |
| 312 |
|
| 313 |
case self::TYPE_LOCK: |
| 314 |
$this->_lock_link(); |
| 315 |
break; |
| 316 |
|
| 317 |
case self::TYPE_DEL: |
| 318 |
$this->del_link(); |
| 319 |
break; |
| 320 |
|
| 321 |
case self::TYPE_TOGGLE_ONETIME: |
| 322 |
$this->_onetime_link(); |
| 323 |
break; |
| 324 |
|
| 325 |
case self::TYPE_EXPIRE_7: |
| 326 |
$this->_expire_link(); |
| 327 |
break; |
| 328 |
|
| 329 |
default: |
| 330 |
break; |
| 331 |
} |
| 332 |
} |
| 333 |
} |
| 334 |
|
