Imports golang.org/x/net/http/httpproxy Standard library imports bufio bytes context crypto/hmac crypto/md5 crypto/sha1 crypto/sha256 crypto/tls crypto/x509 encoding/base64 encoding/hex encoding/json encoding/xml errors fmt io io/ioutil log math/rand net net/http net/url os path/filepath reflect regexp runtime sort strconv strings sync sync/atomic syscall time