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Add some sanity checks 

git-svn-id: https://develop.svn.wordpress.org/trunk@7821 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2008-04-25 06:20:18 +00:00
parent 08a1f47fcb
commit 0a9b5ade89
1 changed files with 10 additions and 5 deletions
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15
wp-includes/pluggable.php
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@ -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;