Imports github.com/OneOfOne/xxhash github.com/google/uuid github.com/jung-kurt/gofpdf github.com/pkg/errors go.uber.org/zap go.uber.org/zap/zapcore Standard library imports archive/zip bytes crypto/hmac crypto/md5 crypto/sha256 crypto/sha512 encoding/base64 encoding/hex encoding/json errors fmt io io/ioutil log math mime mime/multipart net net/http net/url os path/filepath regexp runtime strconv strings time unicode