/**
* @param string $id - session id, must be valid hash
* @return string
*/
public static function read($id)
{
if (!self::isConnected() || !self::isValidId($id)) {
return "";
}
$sid = self::getPrefix();
if (!self::$isReadOnly) {
$lockTimeout = 55;
//TODO: add setting
$lockWait = 59000000;
//micro seconds = 60 seconds TODO: add setting
$waitStep = 100;
while (!self::$connection->add($sid . $id . ".lock", 1, 0, $lockTimeout)) {
usleep($waitStep);
$lockWait -= $waitStep;
if ($lockWait < 0) {
CSecuritySession::triggerFatalError('Unable to get session lock within 60 seconds.');
}
if ($waitStep < 1000000) {
$waitStep *= 2;
}
}
}
self::$sessionId = $id;
$res = self::$connection->get($sid . $id);
if ($res === false) {
$res = "";
}
return $res;
}
/**
* @param string $id - session id, must be valid hash
* @return string
*/
public static function read($id)
{
if (!self::isValidId($id)) {
return "";
}
if (!self::$isReadOnly && !SessionTable::lock($id, 60)) {
CSecuritySession::triggerFatalError('Unable to get session lock within 60 seconds.');
}
self::$sessionId = $id;
$sessionRow = SessionTable::getRow(array('select' => array('SESSION_DATA'), 'filter' => array('=SESSION_ID' => $id)));
if ($sessionRow && isset($sessionRow['SESSION_DATA'])) {
return $sessionRow['SESSION_DATA'];
}
return '';
}
/**
* @param string $id - session id, must be valid hash
* @return string
*/
public static function read($id)
{
if (!self::isValidId($id)) {
return "";
}
if (!self::$isReadOnly && !CSecurityDB::Lock($id, 60)) {
CSecuritySession::triggerFatalError('Unable to get session lock within 60 seconds.');
}
$rs = CSecurityDB::Query("\n\t\t\tselect SESSION_DATA\n\t\t\tfrom b_sec_session\n\t\t\twhere SESSION_ID = '" . $id . "'\n\t\t", "Module: security; Class: CSecuritySession; Function: read; File: " . __FILE__ . "; Line: " . __LINE__);
$ar = CSecurityDB::Fetch($rs);
if ($ar) {
$res = base64_decode($ar["SESSION_DATA"]);
return $res;
}
return "";
}
/**
* @param string $id - session id, must be valid hash
* @return string
*/
public static function read($id)
{
if (!self::isConnected() || !self::isValidId($id)) {
return "";
}
$sid = self::getPrefix();
if (!self::$isReadOnly) {
$lockTimeout = 55;
//TODO: add setting
$lockWait = 59000000;
//micro seconds = 60 seconds TODO: add setting
$waitStep = 100;
if (defined('BX_SECURITY_SESSION_MEMCACHE_EXLOCK') && BX_SECURITY_SESSION_MEMCACHE_EXLOCK) {
$lock = Bitrix\Main\Context::getCurrent()->getRequest()->getRequestedPage();
} else {
$lock = 1;
}
while (!self::$connection->add($sid . $id . ".lock", $lock, 0, $lockTimeout)) {
usleep($waitStep);
$lockWait -= $waitStep;
if ($lockWait < 0) {
$errorText = 'Unable to get session lock within 60 seconds.';
if ($lock !== 1) {
$lockedUri = self::$connection->get($sid . $id . ".lock");
if ($lockedUri && $lockedUri != 1) {
$errorText .= sprintf(' Locked by "%s".', self::$connection->get($sid . $id . ".lock"));
}
}
CSecuritySession::triggerFatalError($errorText);
}
if ($waitStep < 1000000) {
$waitStep *= 2;
}
}
}
self::$sessionId = $id;
self::$isSessionReady = true;
$res = self::$connection->get($sid . $id);
if ($res === false) {
$res = "";
}
return $res;
}
