/**
* @see ExternalStoreMedium::store()
*/
public function store($backend, $data)
{
$be = FileBackendGroup::singleton()->get($backend);
if ($be instanceof FileBackend) {
// Get three random base 36 characters to act as shard directories
$rand = wfBaseConvert(mt_rand(0, 46655), 10, 36, 3);
// Make sure ID is roughly lexicographically increasing for performance
$id = str_pad(UIDGenerator::newTimestampedUID128(32), 26, '0', STR_PAD_LEFT);
// Segregate items by wiki ID for the sake of bookkeeping
$wiki = isset($this->params['wiki']) ? $this->params['wiki'] : wfWikiID();
$url = $be->getContainerStoragePath('data') . '/' . rawurlencode($wiki) . "/{$rand[0]}/{$rand[1]}/{$rand[2]}/{$id}";
$be->prepare(array('dir' => dirname($url), 'noAccess' => 1, 'noListing' => 1));
if ($be->create(array('dst' => $url, 'content' => $data))->isOK()) {
return $url;
}
}
return false;
}