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68 lines
1.9 KiB
68 lines
1.9 KiB
local config = require "config"
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local redis_util = require "redis_util"
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local utils = require "utils"
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local _M = {}
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function _M.set_access_token(k, v)
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local secret = config.get_secret()
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local key = ngx.md5(ngx.ctx.ip .. ngx.var.server_name .. ngx.ctx.website_key
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.. ngx.ctx.ua .. ngx.ctx.today .. secret)
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local value = ngx.md5(ngx.time() .. ngx.ctx.ip)
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--TODO check value
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if key ~= k then
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ngx.exit(444)
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end
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ngx.log(ngx.ERR, "set cc key: ", key)
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if config.redis_on then
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--local prefix = "ac_token:"
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--redis_util.set(prefix .. accesstoken, accesstoken, timeout)
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else
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local limit = ngx.shared.waf_accesstoken
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limit:set(key, value, 7200)
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end
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local cookie_expire = ngx.cookie_time(ngx.time() + 86400)
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ngx.header['Set-Cookie'] = { key .. '=' .. value .. '; path=/; Expires=' .. cookie_expire }
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ngx.exit(200)
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end
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function _M.check_access_token()
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local secret = config.get_secret()
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local key = ngx.md5(ngx.ctx.ip .. ngx.var.server_name .. ngx.ctx.website_key
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.. ngx.ctx.ua .. ngx.ctx.today .. secret)
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if not ngx.var.http_cookie then
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return false
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end
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local cookies = utils.get_cookie_list(ngx.var.http_cookie)
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if not cookies then
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return false
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end
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if not cookies[key] then
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return false
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end
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local accesstoken = cookies[key]
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local value = nil
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if config.redis_on then
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local prefix = "ac_token:"
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value = redis_util.get(prefix .. key)
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if value and value == accesstoken then
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return true
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end
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else
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local limit = ngx.shared.waf_accesstoken
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value = limit:get(key)
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end
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if value and value == accesstoken then
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return true
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end
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return false
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end
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function _M.clear_access_token()
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ngx.header['Set-Cookie'] = { 'a_token=; path=/; Expires=Thu, 01-Jan-1970 00:00:00 GMT' }
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end
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return _M
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