Imports github.com/Unknwon/com github.com/Unknwon/gowalker/hv github.com/Unknwon/gowalker/models github.com/Unknwon/gowalker/utils github.com/astaxie/beego github.com/astaxie/beego/httplib Standard library imports net/http os os/exec archive/tar archive/zip bytes compress/gzip crypto/md5 encoding/base32 encoding/hex encoding/xml errors flag fmt html/template io io/ioutil log net path regexp runtime sort strings time