Merge pull request #8443 from owncloud/csrf-on-login-and-logout

Add CSRF check on login and logout
This commit is contained in:
Vincent Petry 2014-06-02 11:27:20 +02:00
commit 4e957c7b18
3 changed files with 14 additions and 1 deletions

View File

@ -1,3 +1,5 @@
<?php /** @var $l OC_L10N */ ?>
<!--[if IE 8]><style>input[type="checkbox"]{padding:0;}</style><![endif]-->
<form method="post" name="login">
<fieldset>
@ -51,6 +53,7 @@
<label for="remember_login"><?php p($l->t('remember')); ?></label>
<?php endif; ?>
<input type="hidden" name="timezone-offset" id="timezone-offset"/>
<input type="hidden" name="requesttoken" value="<?php p($_['requesttoken']) ?>" />
<input type="submit" id="submit" class="login primary" value="<?php p($l->t('Log in')); ?>" disabled="disabled"/>
</fieldset>
</form>

View File

@ -765,11 +765,20 @@ class OC {
return;
}
// Redirect to index if the logout link is accessed without valid session
// this is needed to prevent "Token expired" messages while login if a session is expired
// @see https://github.com/owncloud/core/pull/8443#issuecomment-42425583
if(isset($_GET['logout']) && !OC_User::isLoggedIn()) {
header("Location: " . OC::$WEBROOT.(empty(OC::$WEBROOT) ? '/' : ''));
return;
}
// Someone is logged in :
if (OC_User::isLoggedIn()) {
OC_App::loadApps();
OC_User::setupBackends();
if (isset($_GET["logout"]) and ($_GET["logout"])) {
OC_JSON::callCheck();
if (isset($_COOKIE['oc_token'])) {
OC_Preferences::deleteKey(OC_User::getUser(), 'login_token', $_COOKIE['oc_token']);
}
@ -930,6 +939,7 @@ class OC {
return false;
}
OC_JSON::callCheck();
OC_App::loadApps();
//setup extra user backends

View File

@ -365,7 +365,7 @@ class OC_User {
return $backend->getLogoutAttribute();
}
return 'href="' . link_to('', 'index.php') . '?logout=true"';
return 'href="' . link_to('', 'index.php') . '?logout=true&requesttoken=' . OC_Util::callRegister() . '"';
}
/**