wp/wp-login.php
changeset 7 cf61fcea0001
parent 5 5e2f62d02dcd
child 9 177826044cd9
--- a/wp/wp-login.php	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-login.php	Mon Oct 14 17:39:30 2019 +0200
@@ -14,10 +14,10 @@
 // Redirect to https login if forced to use SSL
 if ( force_ssl_admin() && ! is_ssl() ) {
 	if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) {
-		wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
+		wp_safe_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
 		exit();
 	} else {
-		wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+		wp_safe_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
 		exit();
 	}
 }
@@ -28,24 +28,24 @@
  * @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 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 = '' ) {
+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_no_robots' );
 
-	if ( wp_is_mobile() )
-		add_action( 'login_head', 'wp_login_viewport_meta' );
+	add_action( 'login_head', 'wp_login_viewport_meta' );
 
-	if ( empty($wp_error) )
+	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' );
 	/**
-	 * Filter the error codes array for shaking the login form.
+	 * Filters the error codes array for shaking the login form.
 	 *
 	 * @since 3.0.0
 	 *
@@ -56,6 +56,21 @@
 	if ( $shake_error_codes && $wp_error->get_error_code() && 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 );
+
+	/**
+	 * 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(); ?>>
@@ -65,10 +80,10 @@
 	<!--<![endif]-->
 	<head>
 	<meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php bloginfo('charset'); ?>" />
-	<title><?php bloginfo('name'); ?> &rsaquo; <?php echo $title; ?></title>
+	<title><?php echo $login_title; ?></title>
 	<?php
 
-	wp_admin_css( 'login', true );
+	wp_enqueue_style( 'login' );
 
 	/*
 	 * Remove all stored post data on logging out.
@@ -87,6 +102,7 @@
 	 * @since 3.1.0
 	 */
 	do_action( 'login_enqueue_scripts' );
+
 	/**
 	 * Fires in the login page header after scripts are enqueued.
 	 *
@@ -96,22 +112,23 @@
 
 	if ( is_multisite() ) {
 		$login_header_url   = network_home_url();
-		$login_header_title = get_current_site()->site_name;
+		$login_header_title = get_network()->site_name;
 	} else {
 		$login_header_url   = __( 'https://wordpress.org/' );
 		$login_header_title = __( 'Powered by WordPress' );
 	}
 
 	/**
-	 * Filter link URL of the header logo above login form.
+	 * 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 );
+
 	/**
-	 * Filter the title attribute of the header logo above login form.
+	 * Filters the title attribute of the header logo above login form.
 	 *
 	 * @since 2.1.0
 	 *
@@ -119,9 +136,17 @@
 	 */
 	$login_header_title = apply_filters( 'login_headertitle', $login_header_title );
 
+	/*
+	 * To match the URL/title set above, Multisite sites have the blog name,
+	 * while single sites get the header title.
+	 */
+	if ( is_multisite() ) {
+		$login_header_text = get_bloginfo( 'name', 'display' );
+	} else {
+		$login_header_text = $login_header_title;
+	}
+
 	$classes = array( 'login-action-' . $action, 'wp-core-ui' );
-	if ( wp_is_mobile() )
-		$classes[] = 'mobile';
 	if ( is_rtl() )
 		$classes[] = 'rtl';
 	if ( $interim_login ) {
@@ -136,7 +161,7 @@
 	$classes[] =' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_locale() ) ) );
 
 	/**
-	 * Filter the login page body classes.
+	 * Filters the login page body classes.
 	 *
 	 * @since 3.5.0
 	 *
@@ -148,14 +173,22 @@
 	?>
 	</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 ); ?>" title="<?php echo esc_attr( $login_header_title ); ?>" tabindex="-1"><?php bloginfo( 'name' ); ?></a></h1>
+		<h1><a href="<?php echo esc_url( $login_header_url ); ?>" title="<?php echo esc_attr( $login_header_title ); ?>" tabindex="-1"><?php echo $login_header_text; ?></a></h1>
 	<?php
 
 	unset( $login_header_url, $login_header_title );
 
 	/**
-	 * Filter the message to display above the login form.
+	 * Filters the message to display above the login form.
 	 *
 	 * @since 2.1.0
 	 *
@@ -185,7 +218,7 @@
 		}
 		if ( ! empty( $errors ) ) {
 			/**
-			 * Filter the error messages displayed above the login form.
+			 * Filters the error messages displayed above the login form.
 			 *
 			 * @since 2.1.0
 			 *
@@ -195,7 +228,7 @@
 		}
 		if ( ! empty( $messages ) ) {
 			/**
-			 * Filter instructional messages displayed above the login form.
+			 * Filters instructional messages displayed above the login form.
 			 *
 			 * @since 2.5.0
 			 *
@@ -216,7 +249,11 @@
 
 	// 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( '/' ) ); ?>" title="<?php esc_attr_e( 'Are you lost?' ); ?>"><?php printf( __( '&larr; Back to %s' ), get_bloginfo( 'title', 'display' ) ); ?></a></p>
+	<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>
@@ -241,9 +278,10 @@
 	<?php
 }
 
+/**
+ * @since 3.0.0
+ */
 function wp_shake_js() {
-	if ( wp_is_mobile() )
-		return;
 ?>
 <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();}}};
@@ -255,6 +293,9 @@
 <?php
 }
 
+/**
+ * @since 3.7.0
+ */
 function wp_login_viewport_meta() {
 	?>
 	<meta name="viewport" content="width=device-width" />
@@ -264,20 +305,15 @@
 /**
  * Handles sending password retrieval email to user.
  *
- * @global wpdb         $wpdb      WordPress database abstraction object.
- * @global PasswordHash $wp_hasher Portable PHP password hashing framework.
- *
  * @return bool|WP_Error True: when finish. WP_Error on error
  */
 function retrieve_password() {
-	global $wpdb, $wp_hasher;
-
 	$errors = new WP_Error();
 
-	if ( empty( $_POST['user_login'] ) ) {
-		$errors->add('empty_username', __('<strong>ERROR</strong>: Enter a username or e-mail address.'));
+	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( $_POST['user_login'] ) );
+		$user_data = get_user_by( 'email', trim( wp_unslash( $_POST['user_login'] ) ) );
 		if ( empty( $user_data ) )
 			$errors->add('invalid_email', __('<strong>ERROR</strong>: There is no user registered with that email address.'));
 	} else {
@@ -289,106 +325,68 @@
 	 * Fires before errors are returned from a password reset request.
 	 *
 	 * @since 2.1.0
+	 * @since 4.4.0 Added the `$errors` parameter.
+	 *
+	 * @param WP_Error $errors A WP_Error object containing any errors generated
+	 *                         by using invalid credentials.
 	 */
-	do_action( 'lostpassword_post' );
+	do_action( 'lostpassword_post', $errors );
 
 	if ( $errors->get_error_code() )
 		return $errors;
 
 	if ( !$user_data ) {
-		$errors->add('invalidcombo', __('<strong>ERROR</strong>: Invalid username or e-mail.'));
+		$errors->add('invalidcombo', __('<strong>ERROR</strong>: Invalid username or email.'));
 		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;
-
-	/**
-	 * Fires before a new password is retrieved.
-	 *
-	 * @since 1.5.0
-	 * @deprecated 1.5.1 Misspelled. Use 'retrieve_password' hook instead.
-	 *
-	 * @param string $user_login The user login name.
-	 */
-	do_action( 'retreive_password', $user_login );
+	$key = get_password_reset_key( $user_data );
 
-	/**
-	 * Fires before a new password is retrieved.
-	 *
-	 * @since 1.5.1
-	 *
-	 * @param string $user_login The user login name.
-	 */
-	do_action( 'retrieve_password', $user_login );
-
-	/**
-	 * Filter whether to allow a password to be reset.
-	 *
-	 * @since 2.7.0
-	 *
-	 * @param bool true           Whether to allow the password to be reset. Default true.
-	 * @param int  $user_data->ID The ID of the user attempting to reset a password.
-	 */
-	$allow = apply_filters( 'allow_password_reset', true, $user_data->ID );
-
-	if ( ! $allow ) {
-		return new WP_Error( 'no_password_reset', __('Password reset is not allowed for this user') );
-	} elseif ( is_wp_error( $allow ) ) {
-		return $allow;
+	if ( is_wp_error( $key ) ) {
+		return $key;
 	}
 
-	// Generate something random for a password reset key.
-	$key = wp_generate_password( 20, false );
-
-	/**
-	 * Fires when a password reset key is generated.
-	 *
-	 * @since 2.5.0
-	 *
-	 * @param string $user_login The username for the user.
-	 * @param string $key        The generated password reset key.
-	 */
-	do_action( 'retrieve_password_key', $user_login, $key );
-
-	// Now insert the key, hashed, into the DB.
-	if ( empty( $wp_hasher ) ) {
-		require_once ABSPATH . WPINC . '/class-phpass.php';
-		$wp_hasher = new PasswordHash( 8, true );
-	}
-	$hashed = $wp_hasher->HashPassword( $key );
-	$wpdb->update( $wpdb->users, array( 'user_activation_key' => $hashed ), array( 'user_login' => $user_login ) );
-
-	$message = __('Someone requested that the password be reset for the following account:') . "\r\n\r\n";
-	$message .= network_home_url( '/' ) . "\r\n\r\n";
-	$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";
-
-	if ( is_multisite() )
-		$blogname = $GLOBALS['current_site']->site_name;
-	else
+	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.
 		 */
-		$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
+		$site_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+	}
 
-	$title = sprintf( __('[%s] Password Reset'), $blogname );
+	$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 email subject. %s: Site name */
+	$title = sprintf( __( '[%s] Password Reset' ), $site_name );
 
 	/**
-	 * Filter the subject of the password reset email.
+	 * 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  $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 );
+	$title = apply_filters( 'retrieve_password_title', $title, $user_login, $user_data );
 
 	/**
-	 * Filter the message body of the password reset mail.
+	 * 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.
@@ -401,7 +399,7 @@
 	$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 e-mail could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function.') );
+		wp_die( __('The email could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function.') );
 
 	return true;
 }
@@ -417,7 +415,7 @@
 	$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' ), true ) && false === has_filter( 'login_form_' . $action ) )
+if ( !in_array( $action, array( 'postpass', 'logout', 'lostpassword', 'retrievepassword', 'resetpass', 'rp', 'register', 'login', 'confirmaction' ), true ) && false === has_filter( 'login_form_' . $action ) )
 	$action = 'login';
 
 nocache_headers();
@@ -434,17 +432,21 @@
 }
 
 //Set a cookie now to see if they are supported by the browser.
-$secure = ( 'https' === parse_url( site_url(), PHP_URL_SCHEME ) && 'https' === parse_url( home_url(), PHP_URL_SCHEME ) );
+$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 );
 
+$lang            = ! empty( $_GET['wp_lang'] ) ? sanitize_text_field( $_GET['wp_lang'] ) : '';
+$switched_locale = switch_to_locale( $lang );
+
 /**
  * Fires when the login form is initialized.
  *
  * @since 3.2.0
  */
 do_action( 'login_init' );
+
 /**
  * Fires before a specified login form action.
  *
@@ -454,19 +456,33 @@
  *
  * @since 2.8.0
  */
-do_action( 'login_form_' . $action );
+do_action( "login_form_{$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 );
 
 	/**
-	 * Filter the life span of the post password cookie.
+	 * 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.
@@ -476,9 +492,18 @@
 	 * @param int $expires The expiry time, as passed to setcookie().
 	 */
 	$expire = apply_filters( 'post_password_expires', time() + 10 * DAY_IN_SECONDS );
-	$secure = ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) );
+	$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 );
 
+	if ( $switched_locale ) {
+	    restore_previous_locale();
+	}
+
 	wp_safe_redirect( wp_get_referer() );
 	exit();
 
@@ -496,8 +521,12 @@
 		$requested_redirect_to = '';
 	}
 
+	if ( $switched_locale ) {
+	    restore_previous_locale();
+	}
+
 	/**
-	 * Filter the log out redirect URL.
+	 * Filters the log out redirect URL.
 	 *
 	 * @since 4.2.0
 	 *
@@ -522,15 +551,16 @@
 	}
 
 	if ( isset( $_GET['error'] ) ) {
-		if ( 'invalidkey' == $_GET['error'] )
-			$errors->add( 'invalidkey', __( 'Sorry, that key does not appear to be valid.' ) );
-		elseif ( 'expiredkey' == $_GET['error'] )
-			$errors->add( 'expiredkey', __( 'Sorry, that key has expired. Please try again.' ) );
+		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'] : '';
 	/**
-	 * Filter the URL redirected to after submitting the lostpassword/retrievepassword form.
+	 * Filters the URL redirected to after submitting the lostpassword/retrievepassword form.
 	 *
 	 * @since 3.0.0
 	 *
@@ -547,13 +577,17 @@
 
 	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);
 
-	$user_login = isset($_POST['user_login']) ? wp_unslash($_POST['user_login']) : '';
+	$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 E-mail:') ?><br />
+		<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" /></label>
 	</p>
 	<?php
@@ -573,14 +607,21 @@
 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 );
+	echo apply_filters( 'register', $registration_url );
 endif;
 ?>
 </p>
 
 <?php
 login_footer('user_login');
+
+if ( $switched_locale ) {
+    restore_previous_locale();
+}
+
 break;
 
 case 'resetpass' :
@@ -645,16 +686,33 @@
 <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" />
 
-	<p>
-		<label for="pass1"><?php _e('New password') ?><br />
-		<input type="password" name="pass1" id="pass1" class="input" size="20" value="" autocomplete="off" /></label>
-	</p>
-	<p>
-		<label for="pass2"><?php _e('Confirm new password') ?><br />
-		<input type="password" name="pass2" id="pass2" class="input" size="20" value="" autocomplete="off" /></label>
+	<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" />
+				<span class="button button-secondary wp-hide-pw hide-if-no-js">
+					<span class="dashicons dashicons-hidden"></span>
+				</span>
+			</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>
 
-	<div id="pass-strength-result" class="hide-if-no-js"><?php _e('Strength indicator'); ?></div>
 	<p class="description indicator-hint"><?php echo wp_get_password_hint(); ?></p>
 	<br class="clear" />
 
@@ -678,20 +736,27 @@
 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 );
+	echo apply_filters( 'register', $registration_url );
 endif;
 ?>
 </p>
 
 <?php
 login_footer('user_pass');
+
+if ( $switched_locale ) {
+    restore_previous_locale();
+}
+
 break;
 
 case 'register' :
 	if ( is_multisite() ) {
 		/**
-		 * Filter the Multisite sign up URL.
+		 * Filters the Multisite sign up URL.
 		 *
 		 * @since 3.0.0
 		 *
@@ -708,9 +773,16 @@
 
 	$user_login = '';
 	$user_email = '';
+
 	if ( $http_post ) {
-		$user_login = $_POST['user_login'];
-		$user_email = $_POST['user_email'];
+		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';
@@ -721,7 +793,7 @@
 
 	$registration_redirect = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
 	/**
-	 * Filter the registration redirect URL.
+	 * Filters the registration redirect URL.
 	 *
 	 * @since 3.0.0
 	 *
@@ -730,39 +802,81 @@
 	$redirect_to = apply_filters( 'registration_redirect', $registration_redirect );
 	login_header(__('Registration Form'), '<p class="message register">' . __('Register For This Site') . '</p>', $errors);
 ?>
-
-<form name="registerform" id="registerform" action="<?php echo esc_url( site_url('wp-login.php?action=register', 'login_post') ); ?>" method="post" novalidate="novalidate">
+<form name="registerform" id="registerform" action="<?php echo esc_url( site_url( 'wp-login.php?action=register', 'login_post' ) ); ?>" method="post" novalidate="novalidate">
 	<p>
 		<label for="user_login"><?php _e('Username') ?><br />
 		<input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr(wp_unslash($user_login)); ?>" size="20" /></label>
 	</p>
 	<p>
-		<label for="user_email"><?php _e('E-mail') ?><br />
+		<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 'E-mail' field in the user registration form.
+	 * Fires following the 'Email' field in the user registration form.
 	 *
 	 * @since 2.1.0
 	 */
 	do_action( 'register_form' );
 	?>
-	<p id="reg_passmail"><?php _e('A password will be e-mailed to you.') ?></p>
+	<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> |
-<a href="<?php echo esc_url( wp_lostpassword_url() ); ?>" title="<?php esc_attr_e( 'Password Lost and Found' ) ?>"><?php _e( 'Lost your password?' ); ?></a>
+<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');
+
+if ( $switched_locale ) {
+    restore_previous_locale();
+}
+
 break;
 
+case 'confirmaction' :
+	if ( ! isset( $_GET['request_id'] ) ) {
+		wp_die( __( 'Invalid request.' ) );
+	}
+
+	$request_id = (int) $_GET['request_id'];
+
+	if ( isset( $_GET['confirm_key'] ) ) {
+		$key    = sanitize_text_field( wp_unslash( $_GET['confirm_key'] ) );
+		$result = wp_validate_user_request_key( $request_id, $key );
+	} else {
+		$result = new WP_Error( 'invalid_key', __( 'Invalid 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.
+	 *
+	 * @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:
 	$secure_cookie = '';
@@ -773,7 +887,13 @@
 	// If the user wants ssl but the session is not ssl, force a secure cookie.
 	if ( !empty($_POST['log']) && !force_ssl_admin() ) {
 		$user_name = sanitize_user($_POST['log']);
-		if ( $user = get_user_by('login', $user_name) ) {
+		$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);
@@ -792,14 +912,16 @@
 
 	$reauth = empty($_REQUEST['reauth']) ? false : true;
 
-	$user = wp_signon( '', $secure_cookie );
+	$user = wp_signon( array(), $secure_cookie );
 
 	if ( empty( $_COOKIE[ LOGGED_IN_COOKIE ] ) ) {
 		if ( headers_sent() ) {
+			/* translators: 1: Browser cookie documentation URL, 2: Support forums URL */
 			$user = new WP_Error( 'test_cookie', sprintf( __( '<strong>ERROR</strong>: Cookies are blocked due to unexpected output. For help, please see <a href="%1$s">this documentation</a> or try the <a href="%2$s">support forums</a>.' ),
 				__( 'https://codex.wordpress.org/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
+			/* translators: 1: Browser cookie documentation URL */
 			$user = new WP_Error( 'test_cookie', sprintf( __( '<strong>ERROR</strong>: Cookies are blocked or not supported by your browser. You must <a href="%s">enable cookies</a> to use WordPress.' ),
 				__( 'https://codex.wordpress.org/Cookies' ) ) );
 		}
@@ -807,7 +929,7 @@
 
 	$requested_redirect_to = isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
 	/**
-	 * Filter the login redirect URL.
+	 * Filters the login redirect URL.
 	 *
 	 * @since 3.0.0
 	 *
@@ -840,7 +962,10 @@
 			elseif ( is_multisite() && !$user->has_cap('read') )
 				$redirect_to = get_dashboard_url( $user->ID );
 			elseif ( !$user->has_cap('edit_posts') )
-				$redirect_to = admin_url('profile.php');
+				$redirect_to = $user->has_cap( 'read' ) ? admin_url( 'profile.php' ) : home_url();
+
+			wp_redirect( $redirect_to );
+			exit();
 		}
 		wp_safe_redirect($redirect_to);
 		exit();
@@ -853,7 +978,7 @@
 
 	if ( $interim_login ) {
 		if ( ! $errors->get_error_code() )
-			$errors->add('expired', __('Session expired. Please log in again. You will not move away from this page.'), 'message');
+			$errors->add( 'expired', __( 'Your session has expired. Please log in to continue where you left off.' ), 'message' );
 	} else {
 		// Some parts of this script use the main login form to display a message
 		if		( isset($_GET['loggedout']) && true == $_GET['loggedout'] )
@@ -861,17 +986,17 @@
 		elseif	( isset($_GET['registration']) && 'disabled' == $_GET['registration'] )
 			$errors->add('registerdisabled', __('User registration is currently not allowed.'));
 		elseif	( isset($_GET['checkemail']) && 'confirm' == $_GET['checkemail'] )
-			$errors->add('confirm', __('Check your e-mail for the confirmation link.'), 'message');
+			$errors->add('confirm', __('Check your email for the confirmation link.'), 'message');
 		elseif	( isset($_GET['checkemail']) && 'newpass' == $_GET['checkemail'] )
-			$errors->add('newpass', __('Check your e-mail for your new password.'), 'message');
+			$errors->add('newpass', __('Check your email for your new password.'), 'message');
 		elseif	( isset($_GET['checkemail']) && 'registered' == $_GET['checkemail'] )
-			$errors->add('registered', __('Registration complete. Please check your e-mail.'), 'message');
+			$errors->add('registered', __('Registration complete. Please check your email.'), 'message');
 		elseif ( strpos( $redirect_to, 'about.php?updated' ) )
 			$errors->add('updated', __( '<strong>You have successfully updated WordPress!</strong> Please log back in to see what&#8217;s new.' ), 'message' );
 	}
 
 	/**
-	 * Filter the login page errors.
+	 * Filters the login page errors.
 	 *
 	 * @since 3.6.0
 	 *
@@ -899,11 +1024,11 @@
 
 <form name="loginform" id="loginform" action="<?php echo esc_url( site_url( 'wp-login.php', 'login_post' ) ); ?>" method="post">
 	<p>
-		<label for="user_login"><?php _e('Username') ?><br />
+		<label for="user_login"><?php _e( 'Username or Email Address' ); ?><br />
 		<input type="text" name="log" id="user_login"<?php echo $aria_describedby_error; ?> class="input" value="<?php echo esc_attr( $user_login ); ?>" size="20" /></label>
 	</p>
 	<p>
-		<label for="user_pass"><?php _e('Password') ?><br />
+		<label for="user_pass"><?php _e( 'Password' ); ?><br />
 		<input type="password" name="pwd" id="user_pass"<?php echo $aria_describedby_error; ?> class="input" value="" size="20" /></label>
 	</p>
 	<?php
@@ -914,7 +1039,7 @@
 	 */
 	do_action( 'login_form' );
 	?>
-	<p class="forgetmenot"><label for="rememberme"><input name="rememberme" type="checkbox" id="rememberme" value="forever" <?php checked( $rememberme ); ?> /> <?php esc_attr_e('Remember Me'); ?></label></p>
+	<p class="forgetmenot"><label for="rememberme"><input name="rememberme" type="checkbox" id="rememberme" value="forever" <?php checked( $rememberme ); ?> /> <?php esc_html_e( 'Remember Me' ); ?></label></p>
 	<p class="submit">
 		<input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e('Log In'); ?>" />
 <?php	if ( $interim_login ) { ?>
@@ -936,10 +1061,12 @@
 		$registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
 
 		/** This filter is documented in wp-includes/general-template.php */
-		echo apply_filters( 'register', $registration_url ) . ' | ';
+		echo apply_filters( 'register', $registration_url );
+
+		echo esc_html( $login_link_separator );
 	endif;
 	?>
-	<a href="<?php echo esc_url( wp_lostpassword_url() ); ?>" title="<?php esc_attr_e( 'Password Lost and Found' ); ?>"><?php _e( 'Lost your password?' ); ?></a>
+	<a href="<?php echo esc_url( wp_lostpassword_url() ); ?>"><?php _e( 'Lost your password?' ); ?></a>
 <?php endif; ?>
 </p>
 <?php } ?>
@@ -964,7 +1091,15 @@
 }, 200);
 }
 
-<?php if ( !$error ) { ?>
+<?php
+/**
+ * Filters whether to print the call to `wp_attempt_focus()` on the login screen.
+ *
+ * @since 4.8.0
+ *
+ * @param bool $print Whether to print the function call. Default true.
+ */
+if ( apply_filters( 'enable_login_autofocus', true ) && ! $error ) { ?>
 wp_attempt_focus();
 <?php } ?>
 if(typeof wpOnload=='function')wpOnload();
@@ -983,5 +1118,10 @@
 
 <?php
 login_footer();
+
+if ( $switched_locale ) {
+    restore_previous_locale();
+}
+
 break;
 } // end action switch