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<?php |
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|
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namespace WP_Defender\Component; |
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|
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use Calotes\Helper\HTTP; |
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use WP_Defender\Component; |
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use WP_User; |
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|
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/** |
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* Doing the logic for Pwned Passwords module. |
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* |
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* Class Password_Protection |
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* |
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* @package WP_Defender\Component |
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*/ |
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class Password_Protection extends Component { |
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|
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/** |
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* The Pwned API URL |
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* API source website: http://haveibeenpwned.com/ |
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* API version: v3 |
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* @var string |
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*/ |
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protected $pwned_api; |
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/** |
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* @var \WP_Defender\Model\Setting\Password_Reset |
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*/ |
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protected $model; |
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|
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/** |
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* Use for cache |
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* |
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* @var \WP_Defender\Model\Setting\Password_Protection |
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*/ |
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protected $password_protection_model; |
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|
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public function __construct() { |
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$this->pwned_api = 'https://api.pwnedpasswords.com/range/'; |
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$this->model = wd_di()->get( \WP_Defender\Model\Setting\Password_Reset::class ); |
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|
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$this->password_protection_model = wd_di()->get( |
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\WP_Defender\Model\Setting\Password_Protection::class |
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); |
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} |
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|
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/** |
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* Get the password that was submitted by user. |
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* |
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* @return string |
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*/ |
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public function get_submitted_password() { |
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$password = ''; |
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foreach ( array( 'pwd', 'pass1', 'password', 'edd_user_pass' ) as $key ) { |
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$submitted_pass = HTTP::post( $key ); |
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if ( ! empty( $submitted_pass ) ) { |
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$password = $submitted_pass; |
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break; |
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} |
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} |
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|
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return $password; |
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} |
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|
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/** |
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* Makes an API request to the remote server and |
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* Checks if the password is pwned. |
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* |
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* @param string $password |
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* |
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* @return \WP_Error|bool |
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*/ |
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public function check_pwned_password( $password ) { |
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$hash = strtoupper( hash( 'sha1', $password ) ); |
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$subhash = substr( $hash, 0, 5 ); |
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|
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$url = $this->pwned_api . $subhash; |
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$args = array( |
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'method' => 'GET', |
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'headers' => array( |
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'user-agent' => sprintf( |
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'Mozilla/5.0 (compatible; WPMU DEV Defender/%1$s; +https://wpmudev.com)', |
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DEFENDER_VERSION |
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), |
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), |
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); |
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|
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$request = wp_remote_request( $url, $args ); |
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|
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if ( is_wp_error( $request ) ) { |
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return $request; |
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} |
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|
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$pwned_count = 0; |
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$body = wp_remote_retrieve_body( $request ); |
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foreach ( array_map( 'trim', explode( "\n", trim( $body ) ) ) as $row ) { |
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if ( $subhash . substr( strtoupper( $row ), 0, 35 ) === $hash ) { |
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$pwned_count = substr( $row, 36 ); |
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break; |
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} |
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} |
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// Found Pwned password or not |
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return $pwned_count > 0; |
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} |
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|
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/** |
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* Check if the specified user role is enabled. |
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|
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* @param WP_User $user |
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* @param array $selected_user_roles |
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* |
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* @return bool |
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*/ |
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public function is_enabled_by_user_role( $user, $selected_user_roles ) { |
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// No for super admin. |
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if ( is_multisite() && is_super_admin( $user->ID ) ) { |
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return false; |
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} |
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|
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if ( empty( $user->roles ) ) { |
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$user_id = $user->ID; |
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if ( ! is_multisite() ) { |
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// User should have roles. |
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$this->log( sprintf( "User ID: %d doesn't have roles", $user_id ), 'password.log' ); |
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return false; |
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} else { |
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$arr_user_blogs = get_blogs_of_user( $user_id ); |
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if ( empty( $arr_user_blogs ) ) { |
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// User should be associated with some site. |
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$this->log( sprintf( 'User ID: %d is not associated with any site', $user_id ), 'password.log' ); |
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return false; |
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} |
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$user_blog_id = array_key_first( $arr_user_blogs ); |
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$user = new WP_User( $user_id, '', $user_blog_id ); |
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} |
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} |
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$user_roles = $user->roles; |
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|
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return ! empty( array_intersect( $selected_user_roles, $user_roles ) ); |
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} |
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|
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/** |
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* Get reset password redirect URL. |
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* |
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* @param WP_User $user |
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* |
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* @return string|null |
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*/ |
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public function get_reset_password_redirect_url( $user ) { |
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$url = null; |
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|
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$key = get_password_reset_key( $user ); |
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if ( ! is_wp_error( $key ) ) { |
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$url = add_query_arg( |
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array( |
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'action' => 'rp', |
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'key' => $key, |
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'login' => $user->user_login, |
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), |
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wp_login_url() |
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); |
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// extra hosting checks |
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$this->hosting_compatibility( $key, $user->user_login ); |
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} |
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|
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return $url; |
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} |
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|
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/** |
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* Reset password redirect. |
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* |
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* @param string|null $url |
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* @param bool $safe |
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* |
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* @return void |
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*/ |
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public function reset_password_redirect( $url, $safe = false ) { |
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if ( empty( $url ) ) { |
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return; |
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} |
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$url = esc_url_raw( $url ); |
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header( 'Cache-Control: no-store, no-cache' ); |
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$safe ? wp_safe_redirect( $url ) : wp_redirect( $url ); |
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exit(); |
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} |
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|
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/** |
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* Set cookie notice. |
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* |
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* @param string $name |
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* @param string $value |
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* @param int $time |
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*/ |
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public function set_cookie_notice( $name, $value, $time ) { |
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if ( ! isset( $_COOKIE[ $name ] ) ) { |
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setcookie( $name, $value, $time, '/' ); |
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} |
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} |
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|
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/** |
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* Remove cookie notice |
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* |
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* @param string $name |
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* @param int $time |
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*/ |
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public function remove_cookie_notice( $name, $time ) { |
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if ( isset( $_COOKIE[ $name ] ) ) { |
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setcookie( $name, null, $time, '/' ); |
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} |
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$this->remove_extra_cookies(); |
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} |
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|
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/** |
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* Get the time when the user's password has last been changed. |
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* |
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* @param WP_User|int $user |
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* |
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* @return int |
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*/ |
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protected function password_last_changed( $user ) { |
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if ( ! $user ) { |
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return 0; |
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} |
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|
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$changed = (int) get_user_meta( $user->ID, 'wd_last_password_change', true ); |
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|
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if ( ! $changed ) { |
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return strtotime( $user->user_registered ); |
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} |
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|
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return $changed; |
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} |
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|
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/** |
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* Is user password expired? |
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* |
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* @param WP_User $user |
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* |
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* @return bool |
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*/ |
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public function check_expired_password( $user ) { |
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|
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return isset( $this->model->force_time ) && $this->model->force_time >= $this->password_last_changed( $user ); |
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} |
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|
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/** |
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* Set the last updated time when a password is updated. |
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* |
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* @param WP_User $user |
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*/ |
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public function handle_password_updated( $user ) { |
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update_user_meta( $user->ID, 'wd_last_password_change', time() ); |
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} |
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|
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/** |
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* @param string $key |
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* @param string $user_login |
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* |
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* @since 2.5.5 |
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*/ |
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protected function hosting_compatibility( $key, $user_login ) { |
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$mask_login = new \WP_Defender\Model\Setting\Mask_Login(); |
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if ( |
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! isset( $_COOKIE[ 'wp-resetpass-' . COOKIEHASH ] ) |
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&& $mask_login->is_active() |
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&& 'flywheel' === \WP_Defender\Component\Security_Tweaks\Servers\Server::get_current_server() |
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) { |
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$value = sprintf( '%s:%s', $user_login, $key ); |
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setcookie( 'wp-resetpass-' . COOKIEHASH, $value, 0, $mask_login->get_new_login_url(), COOKIE_DOMAIN, is_ssl(), true ); |
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} |
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} |
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|
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/** |
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* @since 2.5.5 |
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*/ |
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protected function remove_extra_cookies() { |
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if ( |
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isset( $_COOKIE[ 'wp-resetpass-' . COOKIEHASH ] ) |
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&& 'flywheel' === \WP_Defender\Component\Security_Tweaks\Servers\Server::get_current_server() |
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) { |
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setcookie( 'wp-resetpass-' . COOKIEHASH, '', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, is_ssl(), true ); |
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} |
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} |
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|
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/** |
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* Force reset password. |
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* |
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* @param \WP_User|\WP_Error $user WP_User object or WP_Error. |
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* @param string $password Password plain string. |
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* |
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* @return \WP_User|\WP_Error Return user object or error object. |
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*/ |
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public function do_force_reset( $user, $password ) { |
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if ( |
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! is_wp_error( $user ) && |
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wp_check_password( $password, $user->user_pass, $user->ID ) && |
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$this->is_force_reset( $user ) |
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) { |
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$action = 'password_reset'; |
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$cookie_name = 'display_reset_password_warning'; |
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|
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$this->trigger_redirect( $user, $action, $cookie_name ); |
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} |
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|
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return $user; |
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} |
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|
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/** |
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* Reset weak password. |
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* |
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* @param \WP_User|\WP_Error $user WP_User object or WP_Error. |
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* @param string $password Password plain string. |
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* |
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* @return \WP_User|\WP_Error Return user object or error object. |
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*/ |
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public function do_weak_reset( $user, $password ) { |
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if ( |
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! is_wp_error( $user ) && |
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wp_check_password( $password, $user->user_pass, $user->ID ) && |
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$this->is_weak_password( $user, $password ) |
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) { |
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$action = 'password_protection'; |
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$cookie_name = 'display_pwned_password_warning'; |
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|
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$this->trigger_redirect( $user, $action, $cookie_name ); |
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} |
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|
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return $user; |
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} |
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|
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/** |
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* Redirect to reset password with error message |
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* |
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* @param \WP_User|\WP_Error $user WP_User object or WP_Error. |
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* @param string $action Action query string name. |
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* @param string $cookie_name Cookie name. |
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*/ |
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private function trigger_redirect( $user, $action, $cookie_name ) { |
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// Set cookie to check and display the warning notice on reset password page. |
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$this->set_cookie_notice( |
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$cookie_name, |
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true, |
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time() + MINUTE_IN_SECONDS * 2 |
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); |
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// Get the reset password URL. |
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$url = $this->get_reset_password_redirect_url( $user ); |
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/** |
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* Fires before redirecting to the password reset page. |
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* |
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* @since 2.5.6 |
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* |
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* @param string $url |
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* @param string $action |
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*/ |
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do_action( 'wd_forced_reset_password_url', $url, $action ); |
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// Redirect to the reset password page. |
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$this->reset_password_redirect( $url ); |
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} |
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|
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/** |
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* Verify if password is weak. |
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* |
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* Is user role enabled for weak password verification and is the password weak? |
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* If so then return true else password is strong therefore return false. |
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* |
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* @since 2.6.1 |
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* |
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* @param WP_User $user WP_User object. |
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* @param string $password Plain password string. |
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* |
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* @return bool If password weak then true else false. |
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*/ |
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public function is_weak_password( $user, $password ) { |
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$user_roles = $this->password_protection_model->user_roles; |
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$is_enabled_by_user = $this->is_enabled_by_user_role( $user, $user_roles ); |
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$is_pwned = $this->check_pwned_password( $password ); |
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|
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$is_weak_password = $this->password_protection_model->is_active() && |
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$is_enabled_by_user && |
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! is_wp_error( $is_pwned ) && |
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$is_pwned; |
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|
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return $is_weak_password; |
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} |
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|
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/** |
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* Verify if password is need to be force reset. |
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* |
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* Is user role enabled for force password reset and is the password expired? |
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* If so then return true else password is non expired therefore return false. |
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* |
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* @since 2.6.1 |
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* |
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* @param WP_User $user WP_User object. |
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* |
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* @return bool If password expired then true else false. |
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*/ |
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public function is_force_reset( $user ) { |
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$user_roles = $this->model->user_roles; |
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$is_enabled_by_user = $this->is_enabled_by_user_role( $user, $user_roles ); |
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$is_expired = $this->check_expired_password( $user ); |
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|
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$is_expired_password = $this->model->is_active() && |
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$is_enabled_by_user && |
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$is_expired; |
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|
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return $is_expired_password; |
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} |
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} |
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|
