Expire password reset links after 24 hours (by default). This causes existing password reset links to become invalid.

Props markjaquith, voldemortensen, johnbillion, MikeHansenMe, dd32
See #32429


git-svn-id: https://develop.svn.wordpress.org/trunk@33019 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Dion Hulse 2015-07-01 06:32:07 +00:00
parent b04ea26df1
commit 5b58664439
3 changed files with 159 additions and 10 deletions

View File

@ -2458,18 +2458,42 @@ function check_password_reset_key($key, $login) {
$wp_hasher = new PasswordHash( 8, true );
}
if ( $wp_hasher->CheckPassword( $key, $row->user_activation_key ) )
return get_userdata( $row->ID );
/**
* Filter the expiration time of password reset keys.
*
* @since 4.3.0
*
* @param int $expiration The expiration time in seconds.
*/
$expiration_duration = apply_filters( 'password_reset_expiration', DAY_IN_SECONDS );
if ( $key === $row->user_activation_key ) {
if ( false !== strpos( $row->user_activation_key, ':' ) ) {
list( $pass_request_time, $pass_key ) = explode( ':', $row->user_activation_key, 2 );
$expiration_time = $pass_request_time + $expiration_duration;
} else {
$pass_key = $row->user_activation_key;
$expiration_time = false;
}
$hash_is_correct = $wp_hasher->CheckPassword( $key, $pass_key );
if ( $hash_is_correct && $expiration_time && time() < $expiration_time ) {
return get_userdata( $row->ID );
} elseif ( $hash_is_correct && $expiration_time ) {
// Key has an expiration time that's passed
return new WP_Error( 'expired_key', __( 'Invalid key' ) );
}
if ( hash_equals( $row->user_activation_key, $key ) || ( $hash_is_correct && ! $expiration_time ) ) {
$return = new WP_Error( 'expired_key', __( 'Invalid key' ) );
$user_id = $row->ID;
/**
* Filter the return value of check_password_reset_key() when an
* old-style key is used (plain-text key was stored in the database).
* old-style key is used.
*
* @since 3.7.0
* @since 3.7.0 Previously plain-text keys were stored in the database.
* @since 4.3.0 Previously key hashes were stored without an expiration time.
*
* @param WP_Error $return A WP_Error object denoting an expired key.
* Return a WP_User object to validate the key.

View File

@ -363,7 +363,7 @@ function retrieve_password() {
require_once ABSPATH . WPINC . '/class-phpass.php';
$wp_hasher = new PasswordHash( 8, true );
}
$hashed = $wp_hasher->HashPassword( $key );
$hashed = time() . ':' . $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";
@ -528,10 +528,11 @@ case 'retrievepassword' :
}
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 lnk 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'] : '';

View File

@ -6,10 +6,14 @@
*/
class Tests_Auth extends WP_UnitTestCase {
var $user_id;
var $wp_hasher;
function setUp() {
parent::setUp();
$this->user_id = $this->factory->user->create();
require_once ABSPATH . WPINC . '/class-phpass.php';
$this->wp_hasher = new PasswordHash( 8, true );
}
function test_auth_cookie_valid() {
@ -159,4 +163,124 @@ class Tests_Auth extends WP_UnitTestCase {
// Password broken by setting it to be too long.
$this->assertInstanceOf( 'WP_Error', $user );
}
/**
* @ticket 32429
*/
function test_user_activation_key_is_checked() {
global $wpdb;
$key = wp_generate_password( 20, false );
$user = $this->factory->user->create_and_get();
$wpdb->update( $wpdb->users, array(
'user_activation_key' => strtotime( '-1 hour' ) . ':' . $this->wp_hasher->HashPassword( $key ),
), array(
'ID' => $user->ID,
) );
// A valid key should be accepted
$check = check_password_reset_key( $key, $user->user_login );
$this->assertInstanceOf( 'WP_User', $check );
$this->assertSame( $user->ID, $check->ID );
// An invalid key should be rejected
$check = check_password_reset_key( 'key', $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
// An empty key should be rejected
$check = check_password_reset_key( '', $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
// A truncated key should be rejected
$partial = substr( $key, 0, 10 );
$check = check_password_reset_key( $partial, $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
}
/**
* @ticket 32429
*/
function test_expired_user_activation_key_is_rejected() {
global $wpdb;
$key = wp_generate_password( 20, false );
$user = $this->factory->user->create_and_get();
$wpdb->update( $wpdb->users, array(
'user_activation_key' => strtotime( '-48 hours' ) . ':' . $this->wp_hasher->HashPassword( $key ),
), array(
'ID' => $user->ID,
) );
// An expired but otherwise valid key should be rejected
$check = check_password_reset_key( $key, $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
}
/**
* @ticket 32429
*/
function test_empty_user_activation_key_fails_key_check() {
global $wpdb;
$user = $this->factory->user->create_and_get();
// An empty user_activation_key should not allow any key to be accepted
$check = check_password_reset_key( 'key', $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
// An empty user_activation_key should not allow an empty key to be accepted
$check = check_password_reset_key( '', $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
}
/**
* @ticket 32429
*/
function test_legacy_user_activation_key_is_rejected() {
global $wpdb;
// A legacy user_activation_key is one without the `time()` prefix introduced in WordPress 4.3.
$key = wp_generate_password( 20, false );
$user = $this->factory->user->create_and_get();
$wpdb->update( $wpdb->users, array(
'user_activation_key' => $this->wp_hasher->HashPassword( $key ),
), array(
'ID' => $user->ID,
) );
// A legacy user_activation_key should not be accepted
$check = check_password_reset_key( $key, $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
// An empty key with a legacy user_activation_key should be rejected
$check = check_password_reset_key( '', $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
}
/**
* @ticket 32429
* @ticket 24783
*/
function test_plaintext_user_activation_key_is_rejected() {
global $wpdb;
// A plaintext user_activation_key is one stored before hashing was introduced in WordPress 3.7.
$key = wp_generate_password( 20, false );
$user = $this->factory->user->create_and_get();
$wpdb->update( $wpdb->users, array(
'user_activation_key' => $key,
), array(
'ID' => $user->ID,
) );
// A plaintext user_activation_key should not allow an otherwise valid key to be accepted
$check = check_password_reset_key( $key, $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
// A plaintext user_activation_key should not allow an empty key to be accepted
$check = check_password_reset_key( '', $user->user_login );
$this->assertInstanceOf( 'WP_Error', $check );
}
}