-- 指定模块引用目录，否则无法加载同目录下的其他文件
--package.path = package.path .. ';/usr/local/opt/openresty/nginx/scripts/?.lua';
package.path = package.path .. ';<SCRIPT_PATH>/?.lua';

local _M = {}

--local strip_path = require("strip_path")
--local Upyun = require('upyun')

function _M.upt(uri) {
    local secret = ngx.var.upt_secret
    local duration = ngx.var.upt_duration
    local etime = os.time() + duration
    local sign = ngx.md5(secret .. '&' .. etime .. '&' .. uri)
    ngx.log(ngx.ERR, 'sign...' .. sign .. ' etime..' .. etime)
    local upt = string.sub(sign, 13, 13 + 7) .. etime
    ngx.say(upt)
}

return _M