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Privacy: fixes and updates for the method to confirm user requests by email. 

- Improve function and variable names.
- Allow extra data to be passed with the request.
- Make the option/user meta names more consistent.
- Adds an inline comment explaining use of hash.

Props mikejolley.
See #43443.
Built from https://develop.svn.wordpress.org/trunk@42964


git-svn-id: http://core.svn.wordpress.org/trunk@42793 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Ozz 2018-04-06 19:10:30 +00:00
parent f111796282
commit d3f054b5a9
3 changed files with 131 additions and 98 deletions
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113
wp-includes/user.php
View File

@ -2815,18 +2815,26 @@ function new_user_email_admin_notice() {
*
* @since 5.0.0
*
* @param string $action_name Name of the action that is being confirmed.
* @param string $action_description User facing description of the action they will be confirming.
* @param string $email User email address. This can be the address of a registered or non-registered user. Defaults to logged in user email address.
*
* @return WP_ERROR|bool Will return true/false based on the success of sending the email, or a WP_Error object.
* @param string $action_name Name of the action that is being confirmed. Defaults to 'confirm_email'.
* @param string $action_description User facing description of the action they will be confirming. Defaults to "confirm your email address".
* @param array $request_data Misc data you want to send with the verification request and pass to the actions once the request is confirmed.
* @return WP_Error|bool Will return true/false based on the success of sending the email, or a WP_Error object.
*/
function send_confirm_account_action_email( $action_name, $action_description = '', $email = '' ) {
function wp_send_account_verification_key( $email = '', $action_name = '', $action_description = '', $request_data = array() ) {
if ( ! function_exists( 'wp_get_current_user' ) ) {
return new WP_Error( 'invalid', __( 'This function cannot be used before init.' ) );
}
$action_name = sanitize_key( $action_name );
$action_description = wp_kses_post( $action_description );
if ( empty( $action_name ) ) {
return new WP_Error( 'invalid_action', __( 'Invalid action' ) );
$action_name = 'confirm_email';
}
if ( empty( $action_description ) ) {
$action_description = __( 'Confirm your email address.' );
}
if ( empty( $email ) ) {
@ -2846,30 +2854,31 @@ function send_confirm_account_action_email( $action_name, $action_description =
$user = get_user_by( 'email', $email );
}
// We could be dealing with a registered user account, or a visitor.
$is_registered_user = $user && ! is_wp_error( $user );
$uid = $is_registered_user ? $user->ID : hash( 'sha256', $email );
$confirm_key = get_confirm_account_action_key( $action_name, $email );
$confirm_key = wp_get_account_verification_key( $email, $action_name, $request_data );
if ( is_wp_error( $confirm_key ) ) {
return $confirm_key;
}
// Prepare the email content.
if ( ! $action_description ) {
$action_description = $action_name;
// We could be dealing with a registered user account, or a visitor.
$is_registered_user = $user && ! is_wp_error( $user );
if ( $is_registered_user ) {
$uid = $user->ID;
} else {
// Generate a UID for this email address so we don't send the actual email in the query string. Hash is not supported on all systems.
$uid = function_exists( 'hash' ) ? hash( 'sha256', $email ) : sha1( $email );
}
/* translators: Do not translate DESCRIPTION, CONFIRM_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
$email_text = __(
'Howdy,
An account linked to your email address has requested to perform
the following action:
A request has been made to perform the following action on your account:
###DESCRIPTION###
To confirm this action, please click on the following link:
To confirm this, please click on the following link:
###CONFIRM_URL###
You can safely ignore and delete this email if you do not want to
@ -2887,7 +2896,7 @@ All at ###SITENAME###
'email' => $email,
'description' => $action_description,
'confirm_url' => add_query_arg( array(
'action' => 'emailconfirm',
'action' => 'verifyaccount',
'confirm_action' => $action_name,
'uid' => $uid,
'confirm_key' => $confirm_key,
@ -2907,6 +2916,8 @@ All at ###SITENAME###
* ###SITENAME### The name of the site.
* ###SITEURL### The URL to the site.
*
* @since 5.0.0
*
* @param string $email_text Text in the email.
* @param array $email_data {
* Data relating to the account action email.
@ -2919,7 +2930,7 @@ All at ###SITENAME###
* @type string $siteurl The site URL sending the mail.
* }
*/
$content = apply_filters( 'confirm_account_action_email_content', $email_text, $email_data );
$content = apply_filters( 'account_verification_email_content', $email_text, $email_data );
$content = str_replace( '###DESCRIPTION###', $email_data['description'], $content );
$content = str_replace( '###CONFIRM_URL###', esc_url_raw( $email_data['confirm_url'] ), $content );
@ -2928,7 +2939,7 @@ All at ###SITENAME###
$content = str_replace( '###SITEURL###', esc_url_raw( $email_data['siteurl'] ), $content );
/* translators: %s Site name. */
return wp_mail( $email_data['email'], sprintf( __( '[%s] Confirm Account Action' ), wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) ), $content );
return wp_mail( $email_data['email'], sprintf( __( '[%s] Confirm Action' ), wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) ), $content );
}
/**
@ -2936,12 +2947,12 @@ All at ###SITENAME###
*
* @since 5.0.0
*
* @param string $action_name Name of the action this key is being generated for.
* @param string $email User email address. This can be the address of a registered or non-registered user.
*
* @param string $action_name Name of the action this key is being generated for.
* @param array $request_data Misc data you want to send with the verification request and pass to the actions once the request is confirmed.
* @return string|WP_Error Confirmation key on success. WP_Error on error.
*/
function get_confirm_account_action_key( $action_name, $email ) {
function wp_get_account_verification_key( $email, $action_name, $request_data = array() ) {
global $wp_hasher;
if ( ! is_email( $email ) ) {
@ -2967,15 +2978,23 @@ function get_confirm_account_action_key( $action_name, $email ) {
}
$hashed_key = $wp_hasher->HashPassword( $key );
$value = array(
'action' => $action_name,
'time' => time(),
'hash' => $hashed_key,
'email' => $email,
'request_data' => $request_data,
);
if ( $is_registered_user ) {
$key_saved = (bool) update_user_meta( $user->ID, '_account_action_' . $action_name, implode( ':', array( time(), $hashed_key ) ) );
$key_saved = (bool) update_user_meta( $user->ID, '_verify_action_' . $action_name, wp_json_encode( $value ) );
} else {
$key_saved = (bool) update_site_option( '_account_action_' . hash( 'sha256', $email ) . '_' . $action_name, implode( ':', array( time(), $hashed_key, $email ) ) );
$uid = function_exists( 'hash' ) ? hash( 'sha256', $email ) : sha1( $email );
$key_saved = (bool) update_site_option( '_verify_action_' . $action_name . '_' . $uid, wp_json_encode( $value ) );
}
if ( false === $key_saved ) {
return new WP_Error( 'no_confirm_account_action_key_update', __( 'Could not save confirm account action key to database.' ) );
return new WP_Error( 'no_account_verification_key_update', __( 'Could not save confirm account action key to database.' ) );
}
return $key;
@ -2986,16 +3005,18 @@ function get_confirm_account_action_key( $action_name, $email ) {
*
* @since 5.0.0
*
* @param string $action_name Name of the action this key is being generated for.
* @param string $key Key to confirm.
* @param string $uid Email hash or user ID.
*
* @param string $action_name Name of the action this key is being generated for.
* @return array|WP_Error WP_Error on failure, action name and user email address on success.
*/
function check_confirm_account_action_key( $action_name, $key, $uid ) {
function wp_check_account_verification_key( $key, $uid, $action_name ) {
global $wp_hasher;
if ( ! empty( $action_name ) && ! empty( $key ) && ! empty( $uid ) ) {
if ( empty( $action_name ) || empty( $key ) || empty( $uid ) ) {
return new WP_Error( 'invalid_key', __( 'Invalid key' ) );
}
$user = false;
if ( is_numeric( $uid ) ) {
@ -3003,7 +3024,7 @@ function check_confirm_account_action_key( $action_name, $key, $uid ) {
}
// We could be dealing with a registered user account, or a visitor.
$is_registered_user = $user && ! is_wp_error( $user );
$is_registered_user = ( $user && ! is_wp_error( $user ) );
$key_request_time = '';
$saved_key = '';
$email = '';
@ -3015,37 +3036,53 @@ function check_confirm_account_action_key( $action_name, $key, $uid ) {
// Get the saved key from the database.
if ( $is_registered_user ) {
$confirm_action_data = get_user_meta( $user->ID, '_account_action_' . $action_name, true );
$raw_data = get_user_meta( $user->ID, '_verify_action_' . $action_name, true );
$email = $user->user_email;
if ( false !== strpos( $confirm_action_data, ':' ) ) {
list( $key_request_time, $saved_key ) = explode( ':', $confirm_action_data, 2 );
}
} else {
$confirm_action_data = get_site_option( '_account_action_' . $uid . '_' . $action_name, '' );
$raw_data = get_site_option( '_verify_action_' . $action_name . '_' . $uid, '' );
if ( false !== strpos( $confirm_action_data, ':' ) ) {
list( $key_request_time, $saved_key, $email ) = explode( ':', $confirm_action_data, 3 );
}
}
$data = json_decode( $raw_data, true );
$key_request_time = (int) isset( $data['time'] ) ? $data['time'] : 0;
$saved_key = isset( $data['hash'] ) ? $data['hash'] : '';
$email = sanitize_email( isset( $data['email'] ) ? $data['email'] : '' );
$request_data = isset( $data['request_data'] ) ? $data['request_data'] : array();
if ( ! $saved_key ) {
return new WP_Error( 'invalid_key', __( 'Invalid key' ) );
}
if ( ! $key_request_time || ! $email ) {
return new WP_Error( 'invalid_key', __( 'Invalid action' ) );
}
/**
* Filters the expiration time of confirm keys.
*
* @since 5.0.0
*
* @param int $expiration The expiration time in seconds.
*/
$expiration_duration = apply_filters( 'account_action_expiration', DAY_IN_SECONDS );
$expiration_duration = apply_filters( 'account_verification_expiration', DAY_IN_SECONDS );
$expiration_time = $key_request_time + $expiration_duration;
if ( $wp_hasher->CheckPassword( $key, $saved_key ) ) {
if ( ! $wp_hasher->CheckPassword( $key, $saved_key ) ) {
return new WP_Error( 'invalid_key', __( 'Invalid key' ) );
}
if ( $expiration_time && time() < $expiration_time ) {
$return = array(
'action' => $action_name,
'email' => $email,
'request_data' => $request_data,
);
} else {
$return = new WP_Error( 'expired_key', __( 'The confirmation email has expired.' ) );
@ -3053,14 +3090,10 @@ function check_confirm_account_action_key( $action_name, $key, $uid ) {
// Clean up stored keys.
if ( $is_registered_user ) {
delete_user_meta( $user->ID, '_account_action_' . $action_name );
delete_user_meta( $user->ID, '_verify_action_' . $action_name );
} else {
delete_site_option( '_account_action_' . $uid . '_' . $action_name );
delete_site_option( '_verify_action_' . $action_name . '_' . $uid );
}
return $return;
}
}
return new WP_Error( 'invalid_key', __( 'Invalid key' ) );
}

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.0-alpha-42963';
$wp_version = '5.0-alpha-42964';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

8
wp-login.php
View File

@ -427,7 +427,7 @@ if ( isset( $_GET['key'] ) ) {
}
// validate action so as to default to the login screen
if ( ! in_array( $action, array( 'postpass', 'logout', 'lostpassword', 'retrievepassword', 'resetpass', 'rp', 'register', 'login', 'emailconfirm' ), true ) && false === has_filter( 'login_form_' . $action ) ) {
if ( ! in_array( $action, array( 'postpass', 'logout', 'lostpassword', 'retrievepassword', 'resetpass', 'rp', 'register', 'login', 'verifyaccount' ), true ) && false === has_filter( 'login_form_' . $action ) ) {
$action = 'login';
}
@ -858,12 +858,12 @@ switch ( $action ) {
break;
case 'emailconfirm' :
case 'verifyaccount' :
if ( isset( $_GET['confirm_action'], $_GET['confirm_key'], $_GET['uid'] ) ) {
$action_name = sanitize_key( wp_unslash( $_GET['confirm_action'] ) );
$key = sanitize_text_field( wp_unslash( $_GET['confirm_key'] ) );
$uid = sanitize_text_field( wp_unslash( $_GET['uid'] ) );
$result = check_confirm_account_action_key( $action_name, $key, $uid );
$action_name = sanitize_key( wp_unslash( $_GET['confirm_action'] ) );
$result = wp_check_account_verification_key( $key, $uid, $action_name );
} else {
$result = new WP_Error( 'invalid_key', __( 'Invalid key' ) );
}