function clean()
{
if (!$this->active) {
trigger_error("FileStore no longer active", E_USER_ERROR);
return null;
}
$nonces = Auth_OpenID_FileStore::_listdir($this->nonce_dir);
$now = time();
// Check all nonces for expiry
foreach ($nonces as $nonce) {
if (!Auth_OpenID_checkTimestamp($nonce, $now)) {
$filename = $this->nonce_dir . DIRECTORY_SEPARATOR . $nonce;
Auth_OpenID_FileStore::_removeIfPresent($filename);
}
}
foreach ($this->_allAssocs() as $pair) {
list($assoc_filename, $assoc) = $pair;
if ($assoc->getExpiresIn() == 0) {
Auth_OpenID_FileStore::_removeIfPresent($assoc_filename);
}
}
}
/**
* Remove expired entries from the database. This is potentially
* expensive, so only run when it is acceptable to take time.
*/
function clean()
{
if (!$this->active) {
trigger_error("FileStore no longer active", E_USER_ERROR);
return null;
}
$nonces = Auth_OpenID_FileStore::_listdir($this->nonce_dir);
$now = time();
// Check all nonces for expiry
foreach ($nonces as $nonce) {
$filename = $this->nonce_dir . DIRECTORY_SEPARATOR . $nonce;
$st = @stat($filename);
if ($st !== false) {
// Remove the nonce if it has expired
$nonce_age = $now - $st[9];
if ($nonce_age > $this->max_nonce_age) {
Auth_OpenID_FileStore::_removeIfPresent($filename);
}
}
}
$association_filenames = Auth_OpenID_FileStore::_listdir($this->association_dir);
foreach ($association_filenames as $association_filename) {
$association_file = fopen($association_filename, 'rb');
if ($association_file !== false) {
$assoc_s = fread($association_file, filesize($association_filename));
fclose($association_file);
// Remove expired or corrupted associations
$association = Auth_OpenID_Association::deserialize('Auth_OpenID_Association', $assoc_s);
if ($association === null) {
Auth_OpenID_FileStore::_removeIfPresent($association_filename);
} else {
if ($association->getExpiresIn() == 0) {
Auth_OpenID_FileStore::_removeIfPresent($association_filename);
}
}
}
}
}
