Imports github.com/klauspost/compress/gzip github.com/klauspost/compress/zstd github.com/klauspost/pgzip github.com/paulbellamy/ratecounter github.com/refraction-networking/utls github.com/satori/go.uuid golang.org/x/net/proxy golang.org/x/sync/errgroup Standard library imports bufio bytes context crypto/sha1 crypto/sha256 crypto/tls encoding/base32 encoding/hex errors fmt io net net/http net/url os path slices strconv strings sync sync/atomic time