Imports github.com/astaxie/beego/utils github.com/astaxie/beego/session gopkg.in/yaml.v2 Standard library imports crypto/hmac mime crypto/sha1 html/template compress/gzip bufio bytes compress/flate compress/zlib encoding/base64 encoding/json encoding/xml errors fmt io io/ioutil net net/http net/url os path/filepath reflect regexp strconv strings sync time