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go-zero/core/codec/gzip.go

35 lines
509 B
Go

package codec
import (
"bytes"
"compress/gzip"
"io"
)
const unzipLimit = 100 * 1024 * 1024 // 100MB
func Gzip(bs []byte) []byte {
var b bytes.Buffer
w := gzip.NewWriter(&b)
w.Write(bs)
w.Close()
return b.Bytes()
}
func Gunzip(bs []byte) ([]byte, error) {
r, err := gzip.NewReader(bytes.NewBuffer(bs))
if err != nil {
return nil, err
}
defer r.Close()
var c bytes.Buffer
if _, err = io.Copy(&c, io.LimitReader(r, unzipLimit)); err != nil {
return nil, err
}
return c.Bytes(), nil
}