distribution/source/pack/aliyunoss/signature.php

<?php

// by 请勿倒卖,已申请软著,否则追究法律责任
namespace app\aliyunoss;

class signature
{
	function index()
	{
		$str = json_encode(array("expiration" => date('Y-m-d', strtotime('+1 day')) . "T12:00:00.000Z", "conditions" => array(array("content-length-range", 0, 1048576000))));
		$str = base64_encode($str);
		$data['AccessKeyId'] = IN_ALIYUNOSS_AKI;
		$data['domain'] = (is_ssl() ? 'https://' : 'http://') . IN_ALIYUNOSS_BK . '.' . IN_ALIYUNOSS_EP;
		$data['policy'] = $str;
		$data['signature'] = base64_encode(hash_hmac("sha1", $str, IN_ALIYUNOSS_AKS, true));
		reJSON($data);
	}
}