` element.
 *                           Default 'Log In'.
 * @param string   $message  Optional. Message to display in header. Default empty.
 * @param WP_Error $wp_error Optional. The error to pass. Default is a WP_Error instance.
 */
function login_header( $title = 'Log In', $message = '', $wp_error = null ) {
	global $error, $interim_login, $action;
	// Don't index any of these forms.
	add_filter( 'wp_robots', 'wp_robots_sensitive_page' );
	add_action( 'login_head', 'wp_strict_cross_origin_referrer' );
	add_action( 'login_head', 'wp_login_viewport_meta' );
	if ( ! is_wp_error( $wp_error ) ) {
		$wp_error = new WP_Error();
	}
	// Shake it!
	$shake_error_codes = array( 'empty_password', 'empty_email', 'invalid_email', 'invalidcombo', 'empty_username', 'invalid_username', 'incorrect_password', 'retrieve_password_email_failure' );
	/**
	 * Filters the error codes array for shaking the login form.
	 *
	 * @since 3.0.0
	 *
	 * @param array $shake_error_codes Error codes that shake the login form.
	 */
	$shake_error_codes = apply_filters( 'shake_error_codes', $shake_error_codes );
	if ( $shake_error_codes && $wp_error->has_errors() && in_array( $wp_error->get_error_code(), $shake_error_codes, true ) ) {
		add_action( 'login_footer', 'wp_shake_js', 12 );
	}
	$login_title = get_bloginfo( 'name', 'display' );
	/* translators: Login screen title. 1: Login screen name, 2: Network or site name. */
	$login_title = sprintf( __( '%1$s ‹ %2$s — WordPress' ), $title, $login_title );
	if ( wp_is_recovery_mode() ) {
		/* translators: %s: Login screen title. */
		$login_title = sprintf( __( 'Recovery Mode — %s' ), $login_title );
	}
	/**
	 * Filters the title tag content for login page.
	 *
	 * @since 4.9.0
	 *
	 * @param string $login_title The page title, with extra context added.
	 * @param string $title       The original page title.
	 */
	$login_title = apply_filters( 'login_title', $login_title, $title );
	?>
	>
	
	
	
	get_error_code() ) {
		?>
		
		
		
		
	
	
	
	
	
		
	add( 'error', $error );
		unset( $error );
	}
	if ( $wp_error->has_errors() ) {
		$errors   = '';
		$messages = '';
		foreach ( $wp_error->get_error_codes() as $code ) {
			$severity = $wp_error->get_error_data( $code );
			foreach ( $wp_error->get_error_messages( $code ) as $error_message ) {
				if ( 'message' === $severity ) {
					$messages .= '	' . $error_message . "
\n";
				} else {
					$errors .= '	' . $error_message . "
\n";
				}
			}
		}
		if ( ! empty( $errors ) ) {
			/**
			 * Filters the error messages displayed above the login form.
			 *
			 * @since 2.1.0
			 *
			 * @param string $errors Login error message.
			 */
			echo '
' . apply_filters( 'login_errors', $errors ) . "
\n";
		}
		if ( ! empty( $messages ) ) {
			/**
			 * Filters instructional messages displayed above the login form.
			 *
			 * @since 2.5.0
			 *
			 * @param string $messages Login messages.
			 */
			echo '
' . apply_filters( 'login_messages', $messages ) . "
\n";
		}
	}
} // End of login_header().
/**
 * Outputs the footer for the login page.
 *
 * @since 3.1.0
 *
 * @global bool|string $interim_login Whether interim login modal is being displayed. String 'success'
 *                                    upon successful login.
 *
 * @param string $input_id Which input to auto-focus.
 */
function login_footer( $input_id = '' ) {
	global $interim_login;
	// Don't allow interim logins to navigate away from the page.
	if ( ! $interim_login ) {
		?>
		
			%s',
				esc_url( home_url( '/' ) ),
				sprintf(
					/* translators: %s: Site title. */
					_x( '← Go to %s', 'site' ),
					get_bloginfo( 'title', 'display' )
				)
			);
			/**
			 * Filter the "Go to site" link displayed in the login page footer.
			 *
			 * @since 5.7.0
			 *
			 * @param string $link HTML link to the home URL of the current site.
			 */
			echo apply_filters( 'login_site_html_link', $html_link );
			?>
		
		', '
 ' );
	}
	?>
	. ?>
	
		
		
	
	
	
	
	
	
	
	 0 ) {
				update_option( 'admin_email_lifespan', time() + $remind_interval );
			}
			$redirect_to = add_query_arg( 'admin_email_remind_later', 1, $redirect_to );
			wp_safe_redirect( $redirect_to );
			exit;
		}
		if ( ! empty( $_POST['correct-admin-email'] ) ) {
			if ( ! check_admin_referer( 'confirm_admin_email', 'confirm_admin_email_nonce' ) ) {
				wp_safe_redirect( wp_login_url() );
				exit;
			}
			/**
			 * Filters the interval for redirecting the user to the admin email confirmation screen.
			 *
			 * If `0` (zero) is returned, the user will not be redirected.
			 *
			 * @since 5.3.0
			 *
			 * @param int $interval Interval time (in seconds). Default is 6 months.
			 */
			$admin_email_check_interval = (int) apply_filters( 'admin_email_check_interval', 6 * MONTH_IN_SECONDS );
			if ( $admin_email_check_interval > 0 ) {
				update_option( 'admin_email_lifespan', time() + $admin_email_check_interval );
			}
			wp_safe_redirect( $redirect_to );
			exit;
		}
		login_header( __( 'Confirm your administration email' ), '', $errors );
		/**
		 * Fires before the admin email confirm form.
		 *
		 * @since 5.3.0
		 *
		 * @param WP_Error $errors A `WP_Error` object containing any errors generated by using invalid
		 *                         credentials. Note that the error object may not contain any errors.
		 */
		do_action( 'admin_email_confirm', $errors );
		?>
		
		HashPassword( wp_unslash( $_POST['post_password'] ) ), $expire, COOKIEPATH, COOKIE_DOMAIN, $secure );
		wp_safe_redirect( wp_get_referer() );
		exit;
	case 'logout':
		check_admin_referer( 'log-out' );
		$user = wp_get_current_user();
		wp_logout();
		if ( ! empty( $_REQUEST['redirect_to'] ) ) {
			$redirect_to           = $_REQUEST['redirect_to'];
			$requested_redirect_to = $redirect_to;
		} else {
			$redirect_to = add_query_arg(
				array(
					'loggedout' => 'true',
					'wp_lang'   => get_user_locale( $user ),
				),
				wp_login_url()
			);
			$requested_redirect_to = '';
		}
		/**
		 * Filters the log out redirect URL.
		 *
		 * @since 4.2.0
		 *
		 * @param string  $redirect_to           The redirect destination URL.
		 * @param string  $requested_redirect_to The requested redirect destination URL passed as a parameter.
		 * @param WP_User $user                  The WP_User object for the user that's logging out.
		 */
		$redirect_to = apply_filters( 'logout_redirect', $redirect_to, $requested_redirect_to, $user );
		wp_safe_redirect( $redirect_to );
		exit;
	case 'lostpassword':
	case 'retrievepassword':
		if ( $http_post ) {
			$errors = retrieve_password();
			if ( ! is_wp_error( $errors ) ) {
				$redirect_to = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : 'wp-login.php?checkemail=confirm';
				wp_safe_redirect( $redirect_to );
				exit;
			}
		}
		if ( isset( $_GET['error'] ) ) {
			if ( 'invalidkey' === $_GET['error'] ) {
				$errors->add( 'invalidkey', __( 'Error: Your password reset link appears to be invalid. Please request a new link below.' ) );
			} elseif ( 'expiredkey' === $_GET['error'] ) {
				$errors->add( 'expiredkey', __( 'Error: Your password reset link has expired. Please request a new link below.' ) );
			}
		}
		$lostpassword_redirect = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
		/**
		 * Filters the URL redirected to after submitting the lostpassword/retrievepassword form.
		 *
		 * @since 3.0.0
		 *
		 * @param string $lostpassword_redirect The redirect destination URL.
		 */
		$redirect_to = apply_filters( 'lostpassword_redirect', $lostpassword_redirect );
		/**
		 * Fires before the lost password form.
		 *
		 * @since 1.5.1
		 * @since 5.1.0 Added the `$errors` parameter.
		 *
		 * @param WP_Error $errors A `WP_Error` object containing any errors generated by using invalid
		 *                         credentials. Note that the error object may not contain any errors.
		 */
		do_action( 'lost_password', $errors );
		login_header( __( 'Lost Password' ), '' . __( 'Please enter your username or email address. You will receive an email message with instructions on how to reset your password.' ) . '
', $errors );
		$user_login = '';
		if ( isset( $_POST['user_login'] ) && is_string( $_POST['user_login'] ) ) {
			$user_login = wp_unslash( $_POST['user_login'] );
		}
		?>
		
		
			
			%s', esc_url( wp_registration_url() ), __( 'Register' ) );
				echo esc_html( $login_link_separator );
				/** This filter is documented in wp-includes/general-template.php */
				echo apply_filters( 'register', $registration_url );
			}
			?>
		
		get_error_code() === 'expired_key' ) {
				wp_redirect( site_url( 'wp-login.php?action=lostpassword&error=expiredkey' ) );
			} else {
				wp_redirect( site_url( 'wp-login.php?action=lostpassword&error=invalidkey' ) );
			}
			exit;
		}
		$errors = new WP_Error();
		if ( isset( $_POST['pass1'] ) && $_POST['pass1'] !== $_POST['pass2'] ) {
			$errors->add( 'password_reset_mismatch', __( 'Error: The passwords do not match.' ) );
		}
		/**
		 * Fires before the password reset procedure is validated.
		 *
		 * @since 3.5.0
		 *
		 * @param WP_Error         $errors WP Error object.
		 * @param WP_User|WP_Error $user   WP_User object if the login and reset key match. WP_Error object otherwise.
		 */
		do_action( 'validate_password_reset', $errors, $user );
		if ( ( ! $errors->has_errors() ) && isset( $_POST['pass1'] ) && ! empty( $_POST['pass1'] ) ) {
			reset_password( $user, $_POST['pass1'] );
			setcookie( $rp_cookie, ' ', time() - YEAR_IN_SECONDS, $rp_path, COOKIE_DOMAIN, is_ssl(), true );
			login_header( __( 'Password Reset' ), '' . __( 'Your password has been reset.' ) . ' ' . __( 'Log in' ) . '
' );
			login_footer();
			exit;
		}
		wp_enqueue_script( 'utils' );
		wp_enqueue_script( 'user-profile' );
		login_header( __( 'Reset Password' ), '' . __( 'Enter your new password below or generate one.' ) . '
', $errors );
		?>
		
		
			
			%s', esc_url( wp_registration_url() ), __( 'Register' ) );
				echo esc_html( $login_link_separator );
				/** This filter is documented in wp-includes/general-template.php */
				echo apply_filters( 'register', $registration_url );
			}
			?>
		
		' . __( 'Register For This Site' ) . '', $errors );
		?>
		
		
			
				
			
		
		add(
				'confirm',
				sprintf(
					/* translators: %s: Link to the login page. */
					__( 'Check your email for the confirmation link, then visit the login page.' ),
					wp_login_url()
				),
				'message'
			);
		} elseif ( 'registered' === $_GET['checkemail'] ) {
			$errors->add(
				'registered',
				sprintf(
					/* translators: %s: Link to the login page. */
					__( 'Registration complete. Please check your email, then visit the login page.' ),
					wp_login_url()
				),
				'message'
			);
		}
		/** This action is documented in wp-login.php */
		$errors = apply_filters( 'wp_login_errors', $errors, $redirect_to );
		login_header( __( 'Check your email' ), '', $errors );
		login_footer();
		break;
	case 'confirmaction':
		if ( ! isset( $_GET['request_id'] ) ) {
			wp_die( __( 'Missing request ID.' ) );
		}
		if ( ! isset( $_GET['confirm_key'] ) ) {
			wp_die( __( 'Missing confirm key.' ) );
		}
		$request_id = (int) $_GET['request_id'];
		$key        = sanitize_text_field( wp_unslash( $_GET['confirm_key'] ) );
		$result     = wp_validate_user_request_key( $request_id, $key );
		if ( is_wp_error( $result ) ) {
			wp_die( $result );
		}
		/**
		 * Fires an action hook when the account action has been confirmed by the user.
		 *
		 * Using this you can assume the user has agreed to perform the action by
		 * clicking on the link in the confirmation email.
		 *
		 * After firing this action hook the page will redirect to wp-login a callback
		 * redirects or exits first.
		 *
		 * @since 4.9.6
		 *
		 * @param int $request_id Request ID.
		 */
		do_action( 'user_request_action_confirmed', $request_id );
		$message = _wp_privacy_account_request_confirmed_message( $request_id );
		login_header( __( 'User action confirmed.' ), $message );
		login_footer();
		exit;
	case 'login':
	default:
		$secure_cookie   = '';
		$customize_login = isset( $_REQUEST['customize-login'] );
		if ( $customize_login ) {
			wp_enqueue_script( 'customize-base' );
		}
		// If the user wants SSL but the session is not SSL, force a secure cookie.
		if ( ! empty( $_POST['log'] ) && ! force_ssl_admin() ) {
			$user_name = sanitize_user( wp_unslash( $_POST['log'] ) );
			$user      = get_user_by( 'login', $user_name );
			if ( ! $user && strpos( $user_name, '@' ) ) {
				$user = get_user_by( 'email', $user_name );
			}
			if ( $user ) {
				if ( get_user_option( 'use_ssl', $user->ID ) ) {
					$secure_cookie = true;
					force_ssl_admin( true );
				}
			}
		}
		if ( isset( $_REQUEST['redirect_to'] ) ) {
			$redirect_to = $_REQUEST['redirect_to'];
			// Redirect to HTTPS if user wants SSL.
			if ( $secure_cookie && false !== strpos( $redirect_to, 'wp-admin' ) ) {
				$redirect_to = preg_replace( '|^http://|', 'https://', $redirect_to );
			}
		} else {
			$redirect_to = admin_url();
		}
		$reauth = empty( $_REQUEST['reauth'] ) ? false : true;
		$user = wp_signon( array(), $secure_cookie );
		if ( empty( $_COOKIE[ LOGGED_IN_COOKIE ] ) ) {
			if ( headers_sent() ) {
				$user = new WP_Error(
					'test_cookie',
					sprintf(
						/* translators: 1: Browser cookie documentation URL, 2: Support forums URL. */
						__( 'Error: Cookies are blocked due to unexpected output. For help, please see this documentation or try the support forums.' ),
						__( 'https://wordpress.org/support/article/cookies/' ),
						__( 'https://wordpress.org/support/forums/' )
					)
				);
			} elseif ( isset( $_POST['testcookie'] ) && empty( $_COOKIE[ TEST_COOKIE ] ) ) {
				// If cookies are disabled, we can't log in even with a valid user and password.
				$user = new WP_Error(
					'test_cookie',
					sprintf(
						/* translators: %s: Browser cookie documentation URL. */
						__( 'Error: Cookies are blocked or not supported by your browser. You must enable cookies to use WordPress.' ),
						__( 'https://wordpress.org/support/article/cookies/#enable-cookies-in-your-browser' )
					)
				);
			}
		}
		$requested_redirect_to = isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
		/**
		 * Filters the login redirect URL.
		 *
		 * @since 3.0.0
		 *
		 * @param string           $redirect_to           The redirect destination URL.
		 * @param string           $requested_redirect_to The requested redirect destination URL passed as a parameter.
		 * @param WP_User|WP_Error $user                  WP_User object if login was successful, WP_Error object otherwise.
		 */
		$redirect_to = apply_filters( 'login_redirect', $redirect_to, $requested_redirect_to, $user );
		if ( ! is_wp_error( $user ) && ! $reauth ) {
			if ( $interim_login ) {
				$message       = '' . __( 'You have logged in successfully.' ) . '
';
				$interim_login = 'success';
				login_header( '', $message );
				?>