lua防盗链记录，lua防盗

lua防盗链记录，lua防盗

nginx.conf

worker_processes  1;
error_log  logs/error.log  debug;
events {
    worker_connections  102400;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    lua_package_path '/usr/local/openresty/nginx/conf/lua/?.lua;;';
    resolver 8.8.8.8;
    server {
        listen       127.0.0.1:8080;
        server_name  localhost;
        location ~ on_play {
           access_by_lua_block {
           local domain_table = require "customer"
           local domain_ftag = domain_table[ngx.var.arg_domain]
           if domain_ftag then
                local exec_ftag = require(domain_ftag)
                return exec_ftag.run()
           else
                return ngx.exit(200)
           end
          }
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}

customer.lua

local _M = {
-- sed start
-- sed stop
["域名"] = "publish"
}
return _M

publish.lua

local _M =  { }

local secret_key = {
    "test_time",
    "test"
}
function _M.time()
 local time_out = 300
 local time_now = os.time()
 local ftag_t = ngx.var.arg_t
 local t_switch = tonumber(ftag_t, 16)
        if t_switch + time_out < time_now then
           ngx.log(ngx.DEBUG, '[' .. " time_out:" .. time_out .. " + t:" .. t_switch .. " < time_now:" .. time_now .. ']')
           return ngx.exit(403)
        else
           ngx.log(ngx.DEBUG, '[' .. " time_out:" .. time_out .. " t:" .. t_switch .. " time_now:" .. time_now .. ']')
        end
end
function _M.ftag()
  local ftag_t = ngx.var.arg_t
  local arg_uri = ngx.var.arg_uri
  local ftag_uri = arg_uri:match("/(.*)")
  local ftag_md5 = ngx.var.arg_k


  for i, k in pairs(secret_key) do
    local default_key = k
    local origin_code = default_key .. ftag_uri  .. ftag_t
    local secret_code = ngx.md5(origin_code)
        if secret_code == ftag_md5 then
           ngx.log(ngx.DEBUG, "[ " .. i .. " ]" .. " code: origin " .. '[' .. origin_code .. ']')
           ngx.log(ngx.DEBUG, "[ " .. i .. " ]" .. " code: secret " .. '[' .. secret_code .. " = " .. ftag_md5 .. ']')
           return ngx.exit(200)
        else
           ngx.log(ngx.DEBUG, "[ " .. i .. " ]" .. " code: origin " .. '[' .. origin_code .. ']')
           ngx.log(ngx.DEBUG, "[ " .. i .. " ]" .. " code: secret " .. '[' .. secret_code .. " != " .. ftag_md5 .. ']')
        end
  end
  return ngx.exit(403)
end
function _M.run()
        _M.time()
        _M.ftag()
end
return _M