}
if (!isset($_GET['by'])) {
$by = null;
} else {
switch (strtolower(CoreUtils::trim($_GET['by']))) {
case 'me':
case 'you':
$initiator = $currentUser->id;
$by = 'you';
break;
case 'web server':
$initiator = 0;
$by = 'Web server';
break;
default:
$by = Users::validateName('by', null, true);
if (isset($by)) {
$by = Users::get($by, 'name', 'id,name');
$initiator = $by->id;
$by = $initiator === $currentUser->id ? 'me' : $by->name;
}
}
}
$title = '';
function process_filter(&$q = null)
{
global $Database, $type, $by, $initiator, $title;
if (isset($type)) {
$Database->where('reftype', $type);
if (isset($q)) {
$q[] = "type={$type}";
/** @var $signedIn bool */
if (!$signedIn) {
Response::success("You've already signed out");
}
CSRFProtection::protect();
if (isset($_REQUEST['unlink'])) {
try {
DeviantArt::request('https://www.deviantart.com/oauth2/revoke', null, array('token' => $currentUser->Session['access']));
} catch (CURLRequestException $e) {
Response::fail("Coulnd not revoke the site's access: {$e->getMessage()} (HTTP {$e->getCode()})");
}
}
if (isset($_REQUEST['unlink']) || isset($_REQUEST['everywhere'])) {
$col = 'user';
$val = $currentUser->id;
$username = Users::validateName('username', null, true);
if (isset($username)) {
if (!Permission::sufficient('staff') || isset($_REQUEST['unlink'])) {
Response::fail();
}
/** @var $TargetUser User */
$TargetUser = $Database->where('name', $username)->getOne('users', 'id,name');
if (empty($TargetUser)) {
Response::fail("Target user doesn't exist");
}
if ($TargetUser->id !== $currentUser->id) {
$val = $TargetUser->id;
} else {
unset($TargetUser);
}
}
static function validatePostAs()
{
return Users::validateName('post_as', array(Input::ERROR_INVALID => '"Post as" username (@value) is invalid'));
}
