Add some sanity checks

git-svn-id: http://svn.automattic.com/wordpress/trunk@7821 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2008-04-25 06:20:18 +00:00
parent 08f237c227
commit 76a87862bf

View File

@ -474,7 +474,11 @@ function wp_validate_auth_cookie($cookie = '') {
$cookie = $_COOKIE[AUTH_COOKIE];
}
list($username, $expiration, $hmac) = explode('|', $cookie);
$cookie_elements = explode('|', $cookie);
if ( count($cookie_elements) != 3 )
return false;
list($username, $expiration, $hmac) = $cookie_elements;
$expired = $expiration;
@ -482,11 +486,12 @@ function wp_validate_auth_cookie($cookie = '') {
if ( defined('DOING_AJAX') || 'POST' == $_SERVER['REQUEST_METHOD'] )
$expired += 3600;
// Quick check to see if an honest cookie has expired
if ( $expired < time() )
return false;
$key = wp_hash($username . $expiration);
$hash = hash_hmac('md5', $username . $expiration, $key);
$key = wp_hash($username . '|' . $expiration);
$hash = hash_hmac('md5', $username . '|' . $expiration, $key);
if ( $hmac != $hash )
return false;
@ -514,8 +519,8 @@ if ( !function_exists('wp_generate_auth_cookie') ) :
function wp_generate_auth_cookie($user_id, $expiration) {
$user = get_userdata($user_id);
$key = wp_hash($user->user_login . $expiration);
$hash = hash_hmac('md5', $user->user_login . $expiration, $key);
$key = wp_hash($user->user_login . '|' . $expiration);
$hash = hash_hmac('md5', $user->user_login . '|' . $expiration, $key);
$cookie = $user->user_login . '|' . $expiration . '|' . $hash;