local session, err, exists = require "resty.session".open()
if exists and session:get("authenticated") then
    local account = session:get("account")
    ngx.log(ngx.INFO, session:get("account"), " 访问")
    local accounts = require("lua/accounts")
    local credentials = accounts.credentials()
    local password = ""
    if credentials then
        password = credentials[account]
    end
    local auth_value = ngx.encode_base64(account .. ':' .. password)
    ngx.req.set_header("Authorization", "Basic " .. auth_value)
else
    local server = ""
    if ngx.var.server_port == "80" then
        server = ngx.var.host
    else
        server = ngx.var.host .. ":" .. ngx.var.server_port
    end
    local target_url = ngx.var.scheme .. "://" .. server .. ngx.var.request_uri
    ngx.redirect('https://amass.fun/LoginPage?next=' .. ngx.escape_uri(target_url))
end