wp-login.php

<?php
/**
 * WordPress User Page
 *
 * Handles authentication, registering, resetting passwords, forgot password,
 * and other user handling.
 *
 * @package WordPress
 */

/** Make sure that the WordPress bootstrap has run before continuing. */
require( dirname( __FILE__ ) . '/wp-load.php' );

// Redirect to HTTPS login if forced to use SSL.
if ( force_ssl_admin() && ! is_ssl() ) {
	if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
		wp_safe_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
		exit();
	} else {
		wp_safe_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
		exit();
	}
}

/**
 * Output the login page header.
 *
 * @since 2.1.0
 *
 * @param string   $title    Optional. WordPress login Page title to display in the `<title>` 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_action( 'login_head', 'wp_sensitive_page_meta' );

	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' );
	/**
	 * 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 ) ) {
		add_action( 'login_head', '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 &lsaquo; %2$s &#8212; WordPress' ), $title, $login_title );

	if ( wp_is_recovery_mode() ) {
		/* translators: %s: Login screen title. */
		$login_title = sprintf( __( 'Recovery Mode &#8212; %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 );

	?><!DOCTYPE html>
	<!--[if IE 8]>
		<html xmlns="http://www.w3.org/1999/xhtml" class="ie8" <?php language_attributes(); ?>>
	<![endif]-->
	<!--[if !(IE 8) ]><!-->
		<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
	<!--<![endif]-->
	<head>
	<meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php bloginfo( 'charset' ); ?>" />
	<title><?php echo $login_title; ?></title>
	<?php

	wp_enqueue_style( 'login' );

	/*
	 * Remove all stored post data on logging out.
	 * This could be added by add_action('login_head'...) like wp_shake_js(),
	 * but maybe better if it's not removable by plugins.
	 */
	if ( 'loggedout' == $wp_error->get_error_code() ) {
		?>
		<script>if("sessionStorage" in window){try{for(var key in sessionStorage){if(key.indexOf("wp-autosave-")!=-1){sessionStorage.removeItem(key)}}}catch(e){}};</script>
		<?php
	}

	/**
	 * Enqueue scripts and styles for the login page.
	 *
	 * @since 3.1.0
	 */
	do_action( 'login_enqueue_scripts' );

	/**
	 * Fires in the login page header after scripts are enqueued.
	 *
	 * @since 2.1.0
	 */
	do_action( 'login_head' );

	$login_header_url = __( 'https://wordpress.org/' );

	/**
	 * Filters link URL of the header logo above login form.
	 *
	 * @since 2.1.0
	 *
	 * @param string $login_header_url Login header logo URL.
	 */
	$login_header_url = apply_filters( 'login_headerurl', $login_header_url );

	$login_header_title = '';

	/**
	 * Filters the title attribute of the header logo above login form.
	 *
	 * @since 2.1.0
	 * @deprecated 5.2.0 Use login_headertext
	 *
	 * @param string $login_header_title Login header logo title attribute.
	 */
	$login_header_title = apply_filters_deprecated(
		'login_headertitle',
		array( $login_header_title ),
		'5.2.0',
		'login_headertext',
		__( 'Usage of the title attribute on the login logo is not recommended for accessibility reasons. Use the link text instead.' )
	);

	$login_header_text = empty( $login_header_title ) ? __( 'Powered by WordPress' ) : $login_header_title;

	/**
	 * Filters the link text of the header logo above the login form.
	 *
	 * @since 5.2.0
	 *
	 * @param string $login_header_text The login header logo link text.
	 */
	$login_header_text = apply_filters( 'login_headertext', $login_header_text );

	$classes = array( 'login-action-' . $action, 'wp-core-ui' );
	if ( is_rtl() ) {
		$classes[] = 'rtl';
	}
	if ( $interim_login ) {
		$classes[] = 'interim-login';
		?>
		<style type="text/css">html{background-color: transparent;}</style>
		<?php

		if ( 'success' === $interim_login ) {
			$classes[] = 'interim-login-success';
		}
	}
	$classes[] = ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_locale() ) ) );

	/**
	 * Filters the login page body classes.
	 *
	 * @since 3.5.0
	 *
	 * @param array  $classes An array of body classes.
	 * @param string $action  The action that brought the visitor to the login page.
	 */
	$classes = apply_filters( 'login_body_class', $classes, $action );

	?>
	</head>
	<body class="login <?php echo esc_attr( implode( ' ', $classes ) ); ?>">
	<?php
	/**
	 * Fires in the login page header after the body tag is opened.
	 *
	 * @since 4.6.0
	 */
	do_action( 'login_header' );
	?>
	<div id="login">
		<h1><a href="<?php echo esc_url( $login_header_url ); ?>"><?php echo $login_header_text; ?></a></h1>
	<?php
	/**
	 * Filters the message to display above the login form.
	 *
	 * @since 2.1.0
	 *
	 * @param string $message Login message text.
	 */
	$message = apply_filters( 'login_message', $message );
	if ( ! empty( $message ) ) {
		echo $message . "\n";
	}

	// In case a plugin uses $error rather than the $wp_errors object.
	if ( ! empty( $error ) ) {
		$wp_error->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 . "<br />\n";
				} else {
					$errors .= '	' . $error_message . "<br />\n";
				}
			}
		}
		if ( ! empty( $errors ) ) {
			/**
			 * Filters the error messages displayed above the login form.
			 *
			 * @since 2.1.0
			 *
			 * @param string $errors Login error message.
			 */
			echo '<div id="login_error">' . apply_filters( 'login_errors', $errors ) . "</div>\n";
		}
		if ( ! empty( $messages ) ) {
			/**
			 * Filters instructional messages displayed above the login form.
			 *
			 * @since 2.5.0
			 *
			 * @param string $messages Login messages.
			 */
			echo '<p class="message">' . apply_filters( 'login_messages', $messages ) . "</p>\n";
		}
	}
} // End of login_header()

/**
 * Outputs the footer for the login page.
 *
 * @since 3.1.0
 *
 * @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 ) :
		?>
	<p id="backtoblog"><a href="<?php echo esc_url( home_url( '/' ) ); ?>">
		<?php
		/* translators: %s: site title */
		printf( _x( '&larr; Back to %s', 'site' ), get_bloginfo( 'title', 'display' ) );
		?>
	</a></p>
		<?php the_privacy_policy_link( '<div class="privacy-policy-page-link">', '</div>' ); ?>
	<?php endif; ?>

	</div>

	<?php if ( ! empty( $input_id ) ) : ?>
	<script type="text/javascript">
	try{document.getElementById('<?php echo $input_id; ?>').focus();}catch(e){}
	if(typeof wpOnload=='function')wpOnload();
	</script>
	<?php endif; ?>

	<?php
	/**
	 * Fires in the login page footer.
	 *
	 * @since 3.1.0
	 */
	do_action( 'login_footer' );
	?>
	<div class="clear"></div>
	</body>
	</html>
	<?php
}

/**
 * Outputs the Javascript to handle the form shaking.
 *
 * @since 3.0.0
 */
function wp_shake_js() {
	?>
<script type="text/javascript">
addLoadEvent = function(func){if(typeof jQuery!="undefined")jQuery(document).ready(func);else if(typeof wpOnload!='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
function s(id,pos){g(id).left=pos+'px';}
function g(id){return document.getElementById(id).style;}
function shake(id,a,d){c=a.shift();s(id,c);if(a.length>0){setTimeout(function(){shake(id,a,d);},d);}else{try{g(id).position='static';wp_attempt_focus();}catch(e){}}}
addLoadEvent(function(){ var p=new Array(15,30,15,0,-15,-30,-15,0);p=p.concat(p.concat(p));var i=document.forms[0].id;g(i).position='relative';shake(i,p,20);});
</script>
	<?php
}

/**
 * Outputs the viewport meta tag.
 *
 * @since 3.7.0
 */
function wp_login_viewport_meta() {
	?>
	<meta name="viewport" content="width=device-width" />
	<?php
}

/**
 * Handles sending password retrieval email to user.
 *
 * @since 2.5.0
 *
 * @return bool|WP_Error True: when finish. WP_Error on error
 */
function retrieve_password() {
	$errors = new WP_Error();

	if ( empty( $_POST['user_login'] ) || ! is_string( $_POST['user_login'] ) ) {
		$errors->add( 'empty_username', __( '<strong>ERROR</strong>: Enter a username or email address.' ) );
	} elseif ( strpos( $_POST['user_login'], '@' ) ) {
		$user_data = get_user_by( 'email', trim( wp_unslash( $_POST['user_login'] ) ) );
		if ( empty( $user_data ) ) {
			$errors->add( 'invalid_email', __( '<strong>ERROR</strong>: There is no account with that username or email address.' ) );
		}
	} else {
		$login     = trim( $_POST['user_login'] );
		$user_data = get_user_by( 'login', $login );
	}

	/**
	 * Fires before errors are returned from a password reset request.
	 *
	 * @since 2.1.0
	 * @since 4.4.0 Added the `$errors` parameter.
	 *
	 * @param WP_Error $errors A WP_Error object containing any errors generated
	 *                         by using invalid credentials.
	 */
	do_action( 'lostpassword_post', $errors );

	if ( $errors->has_errors() ) {
		return $errors;
	}

	if ( ! $user_data ) {
		$errors->add( 'invalidcombo', __( '<strong>ERROR</strong>: There is no account with that username or email address.' ) );
		return $errors;
	}

	// Redefining user_login ensures we return the right case in the email.
	$user_login = $user_data->user_login;
	$user_email = $user_data->user_email;
	$key        = get_password_reset_key( $user_data );

	if ( is_wp_error( $key ) ) {
		return $key;
	}

	if ( is_multisite() ) {
		$site_name = get_network()->site_name;
	} else {
		/*
		 * The blogname option is escaped with esc_html on the way into the database
		 * in sanitize_option we want to reverse this for the plain text arena of emails.
		 */
		$site_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
	}

	$message = __( 'Someone has requested a password reset for the following account:' ) . "\r\n\r\n";
	/* translators: %s: site name */
	$message .= sprintf( __( 'Site Name: %s' ), $site_name ) . "\r\n\r\n";
	/* translators: %s: user login */
	$message .= sprintf( __( 'Username: %s' ), $user_login ) . "\r\n\r\n";
	$message .= __( 'If this was a mistake, just ignore this email and nothing will happen.' ) . "\r\n\r\n";
	$message .= __( 'To reset your password, visit the following address:' ) . "\r\n\r\n";
	$message .= '<' . network_site_url( "wp-login.php?action=rp&key=$key&login=" . rawurlencode( $user_login ), 'login' ) . ">\r\n";

	/* translators: Password reset notification email subject. %s: Site title */
	$title = sprintf( __( '[%s] Password Reset' ), $site_name );

	/**
	 * Filters the subject of the password reset email.
	 *
	 * @since 2.8.0
	 * @since 4.4.0 Added the `$user_login` and `$user_data` parameters.
	 *
	 * @param string  $title      Default email title.
	 * @param string  $user_login The username for the user.
	 * @param WP_User $user_data  WP_User object.
	 */
	$title = apply_filters( 'retrieve_password_title', $title, $user_login, $user_data );

	/**
	 * Filters the message body of the password reset mail.
	 *
	 * If the filtered message is empty, the password reset email will not be sent.
	 *
	 * @since 2.8.0
	 * @since 4.1.0 Added `$user_login` and `$user_data` parameters.
	 *
	 * @param string  $message    Default mail message.
	 * @param string  $key        The activation key.
	 * @param string  $user_login The username for the user.
	 * @param WP_User $user_data  WP_User object.
	 */
	$message = apply_filters( 'retrieve_password_message', $message, $key, $user_login, $user_data );

	if ( $message && ! wp_mail( $user_email, wp_specialchars_decode( $title ), $message ) ) {
		wp_die( __( 'The email could not be sent. Possible reason: your host may have disabled the mail() function.' ) );
	}

	return true;
}

//
// Main.
//

$action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'login';
$errors = new WP_Error();

if ( isset( $_GET['key'] ) ) {
	$action = 'resetpass';
}

// Validate action so as to default to the login screen.
if ( ! in_array( $action, array( 'postpass', 'logout', 'lostpassword', 'retrievepassword', 'resetpass', 'rp', 'register', 'login', 'confirmaction', WP_Recovery_Mode_Link_Service::LOGIN_ACTION_ENTERED ), true ) && false === has_filter( 'login_form_' . $action ) ) {
	$action = 'login';
}

nocache_headers();

header( 'Content-Type: ' . get_bloginfo( 'html_type' ) . '; charset=' . get_bloginfo( 'charset' ) );

if ( defined( 'RELOCATE' ) && RELOCATE ) { // Move flag is set
	if ( isset( $_SERVER['PATH_INFO'] ) && ( $_SERVER['PATH_INFO'] != $_SERVER['PHP_SELF'] ) ) {
		$_SERVER['PHP_SELF'] = str_replace( $_SERVER['PATH_INFO'], '', $_SERVER['PHP_SELF'] );
	}

	$url = dirname( set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'] ) );
	if ( $url != get_option( 'siteurl' ) ) {
		update_option( 'siteurl', $url );
	}
}

//Set a cookie now to see if they are supported by the browser.
$secure = ( 'https' === parse_url( wp_login_url(), PHP_URL_SCHEME ) );
setcookie( TEST_COOKIE, 'WP Cookie check', 0, COOKIEPATH, COOKIE_DOMAIN, $secure );
if ( SITECOOKIEPATH != COOKIEPATH ) {
	setcookie( TEST_COOKIE, 'WP Cookie check', 0, SITECOOKIEPATH, COOKIE_DOMAIN, $secure );
}

/**
 * Fires when the login form is initialized.
 *
 * @since 3.2.0
 */
do_action( 'login_init' );

/**
 * Fires before a specified login form action.
 *
 * The dynamic portion of the hook name, `$action`, refers to the action
 * that brought the visitor to the login form. Actions include 'postpass',
 * 'logout', 'lostpassword', etc.
 *
 * @since 2.8.0
 */
do_action( "login_form_{$action}" );

$http_post     = ( 'POST' == $_SERVER['REQUEST_METHOD'] );
$interim_login = isset( $_REQUEST['interim-login'] );

/**
 * Filters the separator used between login form navigation links.
 *
 * @since 4.9.0
 *
 * @param string $login_link_separator The separator used between login form navigation links.
 */
$login_link_separator = apply_filters( 'login_link_separator', ' | ' );

switch ( $action ) {

	case 'postpass':
		if ( ! array_key_exists( 'post_password', $_POST ) ) {
			wp_safe_redirect( wp_get_referer() );
			exit();
		}

		require_once ABSPATH . WPINC . '/class-phpass.php';
		$hasher = new PasswordHash( 8, true );

		/**
		 * Filters the life span of the post password cookie.
		 *
		 * By default, the cookie expires 10 days from creation. To turn this
		 * into a session cookie, return 0.
		 *
		 * @since 3.7.0
		 *
		 * @param int $expires The expiry time, as passed to setcookie().
		 */
		$expire  = apply_filters( 'post_password_expires', time() + 10 * DAY_IN_SECONDS );
		$referer = wp_get_referer();
		if ( $referer ) {
			$secure = ( 'https' === parse_url( $referer, PHP_URL_SCHEME ) );
		} else {
			$secure = false;
		}
		setcookie( 'wp-postpass_' . COOKIEHASH, $hasher->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 = $requested_redirect_to = $_REQUEST['redirect_to'];
		} else {
			$redirect_to           = 'wp-login.php?loggedout=true';
			$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', __( 'Your password reset link appears to be invalid. Please request a new link below.' ) );
			} elseif ( 'expiredkey' == $_GET['error'] ) {
				$errors->add( 'expiredkey', __( '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' ), '<p class="message">' . __( 'Please enter your username or email address. You will receive a link to create a new password via email.' ) . '</p>', $errors );

		$user_login = '';

		if ( isset( $_POST['user_login'] ) && is_string( $_POST['user_login'] ) ) {
			$user_login = wp_unslash( $_POST['user_login'] );
		}

		?>

	<form name="lostpasswordform" id="lostpasswordform" action="<?php echo esc_url( network_site_url( 'wp-login.php?action=lostpassword', 'login_post' ) ); ?>" method="post">
	<p>
		<label for="user_login" ><?php _e( 'Username or Email Address' ); ?><br />
		<input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr( $user_login ); ?>" size="20" autocapitalize="off" /></label>
	</p>
		<?php
		/**
		 * Fires inside the lostpassword form tags, before the hidden fields.
		 *
		 * @since 2.1.0
		 */
		do_action( 'lostpassword_form' );
		?>
		<input type="hidden" name="redirect_to" value="<?php echo esc_attr( $redirect_to ); ?>" />
		<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e( 'Get New Password' ); ?>" /></p>
	</form>

	<p id="nav">
	<a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log in' ); ?></a>
		<?php
		if ( get_option( 'users_can_register' ) ) :
			$registration_url = sprintf( '<a href="%s">%s</a>', 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 );
	endif;
		?>
	</p>

		<?php
		login_footer( 'user_login' );

		break;

	case 'resetpass':
	case 'rp':
		list( $rp_path ) = explode( '?', wp_unslash( $_SERVER['REQUEST_URI'] ) );
		$rp_cookie       = 'wp-resetpass-' . COOKIEHASH;
		if ( isset( $_GET['key'] ) ) {
			$value = sprintf( '%s:%s', wp_unslash( $_GET['login'] ), wp_unslash( $_GET['key'] ) );
			setcookie( $rp_cookie, $value, 0, $rp_path, COOKIE_DOMAIN, is_ssl(), true );
			wp_safe_redirect( remove_query_arg( array( 'key', 'login' ) ) );
			exit;
		}

		if ( isset( $_COOKIE[ $rp_cookie ] ) && 0 < strpos( $_COOKIE[ $rp_cookie ], ':' ) ) {
			list( $rp_login, $rp_key ) = explode( ':', wp_unslash( $_COOKIE[ $rp_cookie ] ), 2 );
			$user                      = check_password_reset_key( $rp_key, $rp_login );
			if ( isset( $_POST['pass1'] ) && ! hash_equals( $rp_key, $_POST['rp_key'] ) ) {
				$user = false;
			}
		} else {
			$user = false;
		}

		if ( ! $user || is_wp_error( $user ) ) {
			setcookie( $rp_cookie, ' ', time() - YEAR_IN_SECONDS, $rp_path, COOKIE_DOMAIN, is_ssl(), true );
			if ( $user && $user->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', __( 'The passwords do not match.' ) );
		}

		/**
		 * Fires before the password reset procedure is validated.
		 *
		 * @since 3.5.0
		 *
		 * @param object           $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' ), '<p class="message reset-pass">' . __( 'Your password has been reset.' ) . ' <a href="' . esc_url( wp_login_url() ) . '">' . __( 'Log in' ) . '</a></p>' );
			login_footer();
			exit;
		}

		wp_enqueue_script( 'utils' );
		wp_enqueue_script( 'user-profile' );

		login_header( __( 'Reset Password' ), '<p class="message reset-pass">' . __( 'Enter your new password below.' ) . '</p>', $errors );

		?>
	<form name="resetpassform" id="resetpassform" action="<?php echo esc_url( network_site_url( 'wp-login.php?action=resetpass', 'login_post' ) ); ?>" method="post" autocomplete="off">
	<input type="hidden" id="user_login" value="<?php echo esc_attr( $rp_login ); ?>" autocomplete="off" />

	<div class="user-pass1-wrap">
		<p>
			<label for="pass1"><?php _e( 'New password' ); ?></label>
		</p>

		<div class="wp-pwd">
			<div class="password-input-wrapper">
				<input type="password" data-reveal="1" data-pw="<?php echo esc_attr( wp_generate_password( 16 ) ); ?>" name="pass1" id="pass1" class="input password-input" size="24" value="" autocomplete="off" aria-describedby="pass-strength-result" />
				<button type="button" class="button button-secondary wp-hide-pw hide-if-no-js">
					<span class="dashicons dashicons-hidden" aria-hidden="true"></span>
				</button>
			</div>
			<div id="pass-strength-result" class="hide-if-no-js" aria-live="polite"><?php _e( 'Strength indicator' ); ?></div>
		</div>
		<div class="pw-weak">
			<label>
				<input type="checkbox" name="pw_weak" class="pw-checkbox" />
				<?php _e( 'Confirm use of weak password' ); ?>
			</label>
		</div>
	</div>

	<p class="user-pass2-wrap">
		<label for="pass2"><?php _e( 'Confirm new password' ); ?></label><br />
		<input type="password" name="pass2" id="pass2" class="input" size="20" value="" autocomplete="off" />
	</p>

	<p class="description indicator-hint"><?php echo wp_get_password_hint(); ?></p>
	<br class="clear" />

		<?php
		/**
		 * Fires following the 'Strength indicator' meter in the user password reset form.
		 *
		 * @since 3.9.0
		 *
		 * @param WP_User $user User object of the user whose password is being reset.
		 */
		do_action( 'resetpass_form', $user );
		?>
	<input type="hidden" name="rp_key" value="<?php echo esc_attr( $rp_key ); ?>" />
	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e( 'Reset Password' ); ?>" /></p>
	</form>

	<p id="nav">
	<a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log in' ); ?></a>
		<?php
		if ( get_option( 'users_can_register' ) ) :
			$registration_url = sprintf( '<a href="%s">%s</a>', 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 );
	endif;
		?>
	</p>

		<?php
		login_footer( 'user_pass' );

		break;

	case 'register':
		if ( is_multisite() ) {
			/**
			 * Filters the Multisite sign up URL.
			 *
			 * @since 3.0.0
			 *
			 * @param string $sign_up_url The sign up URL.
			 */
			wp_redirect( apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) ) );
			exit;
		}

		if ( ! get_option( 'users_can_register' ) ) {
			wp_redirect( site_url( 'wp-login.php?registration=disabled' ) );
			exit();
		}

		$user_login = '';
		$user_email = '';

		if ( $http_post ) {
			if ( isset( $_POST['user_login'] ) && is_string( $_POST['user_login'] ) ) {
				$user_login = $_POST['user_login'];
			}

			if ( isset( $_POST['user_email'] ) && is_string( $_POST['user_email'] ) ) {
				$user_email = wp_unslash( $_POST['user_email'] );
			}

			$errors = register_new_user( $user_login, $user_email );
			if ( ! is_wp_error( $errors ) ) {
				$redirect_to = ! empty( $_POST['redirect_to'] ) ? $_POST['redirect_to'] : 'wp-login.php?checkemail=registered';
				wp_safe_redirect( $redirect_to );
				exit();
			}
		}

		$registration_redirect = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
		/**
		 * Filters the registration redirect URL.
		 *
		 * @since 3.0.0
		 *
		 * @param string $registration_redirect The redirect destination URL.
		 */
		$redirect_to = apply_filters( 'registration_redirect', $registration_redirect );
		login_header( __( 'Registration Form' ), '<p class="message register">' . __( 'Register For This Site' ) . '</p>', $errors );
		?>
	<form name="registerform" id="registerform" action="<?php echo esc_url( site_url( 'wp-login.php?action=register', 'login_post' ) ); ?>" method="post" novalidate="novalidate">
	<p>
		<label for="user_login"><?php _e( 'Username' ); ?><br />
		<input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr( wp_unslash( $user_login ) ); ?>" size="20" autocapitalize="off" /></label>
	</p>
	<p>
		<label for="user_email"><?php _e( 'Email' ); ?><br />
		<input type="email" name="user_email" id="user_email" class="input" value="<?php echo esc_attr( wp_unslash( $user_email ) ); ?>" size="25" /></label>
	</p>
		<?php
		/**
		 * Fires following the 'Email' field in the user registration form.
		 *
		 * @since 2.1.0
		 */
		do_action( 'register_form' );
		?>
	<p id="reg_passmail"><?php _e( 'Registration confirmation will be emailed to you.' ); ?></p>
	<br class="clear" />
	<input type="hidden" name="redirect_to" value="<?php echo esc_attr( $redirect_to ); ?>" />
	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e( 'Register' ); ?>" /></p>
	</form>

	<p id="nav">
	<a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log in' ); ?></a>
		<?php echo esc_html( $login_link_separator ); ?>
	<a href="<?php echo esc_url( wp_lostpassword_url() ); ?>"><?php _e( 'Lost your password?' ); ?></a>
	</p>

		<?php
		login_footer( 'user_login' );

		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( $_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() ) {
				$user = new WP_Error(
					'test_cookie',
					sprintf(
						/* translators: 1: Browser cookie documentation URL, 2: Support forums URL */
						__( '<strong>ERROR</strong>: Cookies are blocked due to unexpected output. For help, please see <a href="%1$s">this documentation</a> or try the <a href="%2$s">support forums</a>.' ),
						__( 'https://wordpress.org/support/article/cookies/' ),
						__( 'https://wordpress.org/support/' )
					)
				);
			} elseif ( isset( $_POST['testcookie'] ) && empty( $_COOKIE[ TEST_COOKIE ] ) ) {
				// If cookies are disabled we can't log in even with a valid user+pass
				$user = new WP_Error(
					'test_cookie',
					sprintf(
						/* translators: %s: Browser cookie documentation URL */
						__( '<strong>ERROR</strong>: Cookies are blocked or not supported by your browser. You must <a href="%s">enable cookies</a> 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       = '<p class="message">' . __( 'You have logged in successfully.' ) . '</p>';
				$interim_login = 'success';
				login_header( '', $message );
				?>
				</div>
				<?php
				/** This action is documented in wp-login.php */
				do_action( 'login_footer' );
				?>
				<?php if ( $customize_login ) : ?>
				<script type="text/javascript">setTimeout( function(){ new wp.customize.Messenger({ url: '<?php echo wp_customize_url(); ?>', channel: 'login' }).send('login') }, 1000 );</script>
			<?php endif; ?>
				</body></html>
				<?php
				exit;
			}

			if ( ( empty( $redirect_to ) || $redirect_to == 'wp-admin/' || $redirect_to == admin_url() ) ) {
				// If the user doesn't belong to a blog, send them to user admin. If the user can't edit posts, send them to their profile.
				if ( is_multisite() && ! get_active_blog_for_user( $user->ID ) && ! is_super_admin( $user->ID ) ) {
					$redirect_to = user_admin_url();
				} elseif ( is_multisite() && ! $user->has_cap( 'read' ) ) {
					$redirect_to = get_dashboard_url( $user->ID );
				} elseif ( ! $user->has_cap( 'edit_posts' ) ) {
					$redirect_to = $user->has_cap( 'read' ) ? admin_url( 'profile.php' ) : home_url();
				}

				wp_redirect( $redirect_to );
				exit();
			}
			wp_safe_redirect( $redirect_to );
			exit();
		}

		$errors = $user;
		// Clear errors if loggedout is set.
		if ( ! empty( $_GET['loggedout'] ) || $reauth ) {
			$errors = new WP_Error();
		}

		if ( empty( $_POST ) && $errors->get_error_codes() === array( 'empty_username', 'empty_password' ) ) {
			$errors = new WP_Error( '', '' );
		}

		if ( $interim_login ) {
			if ( ! $errors->has_errors() ) {
				$errors->add( 'expired', __( 'Your session has expired. Please log in to continue where you left off.' ), 'message' );
			}
		} else {
			// Some parts of this script use the main login form to display a message.