Imports github.com/pkg/errors github.com/tidwall/gjson github.com/axgle/mahonia github.com/wuxiaoxiaoshen/fakeuseragent/application Standard library imports bytes crypto/tls encoding/json errors fmt io io/ioutil math/rand net net/http net/textproto net/url os path/filepath regexp sort strconv strings sync time unicode/utf8 encoding/xml mime/multipart