/**
* Set AWS time correction offset (use carefully)
*
* This can be used when an inaccurate system time is generating
* invalid request signatures. It should only be used as a last
* resort when the system time cannot be changed.
*
* @param string $offset Time offset (set to zero to use AWS server time)
* @return void
*/
public static function setTimeCorrectionOffset($offset = 0)
{
if ($offset == 0) {
$rest = new Assets_S3Request('HEAD');
$rest = $rest->getResponse();
$awstime = $rest->headers['date'];
$systime = time();
$offset = $systime > $awstime ? -($systime - $awstime) : $awstime - $systime;
}
self::$__timeOffset = $offset;
}
