local template = require 'resty.template'
local cookie = require 'resty.cookie'
local function set_captcha_cookie()
local cookie_obj, err = cookie:new()
if not cookie_obj then
ngx.log(ngx.ERR, "Failed to init cookie: ", err)
return
end
local current_timestamp = os.time()
local offset = 3600 -- 1 hour
local expiration_date = os.date(
"!%a, %d-%b-%y %H:%M:%S GMT", current_timestamp + offset)
local ok, err = cookie_obj:set({
key = "cl-bypass-cache",
value = "yes",
domain = ngx.var.host,
samesite = "Lax",
httponly = true,
path = "/",
expires = expiration_date
})
if not ok then
ngx.log(ngx.ERR, "Could not set cookie: ", err)
end
end
local default_site_key = "6LfwghwUAAAAAAYrFATHtss0Xe_bC7I6OWE_ayK4"
local custom_site_key = ngx.var.wscaptcha_site_key
local captcha_site_key = custom_site_key or default_site_key
local vars = {
invisible=ngx.var.invisible_captcha,
captcha_key=captcha_site_key
}
set_captcha_cookie()
template.render('index.html', vars, 'captcha')
