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compression.go
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/
compression.go
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package utils
import (
"bytes"
"compress/gzip"
"encoding/base64"
"fmt"
"io"
)
func Gzip64Encode(data []byte) (string, error) {
var compressedBuffer bytes.Buffer
gzipWriter := gzip.NewWriter(&compressedBuffer)
if _, err := gzipWriter.Write(data); err != nil {
return "", fmt.Errorf("gzip data: %v", err)
}
if err := gzipWriter.Close(); err != nil {
return "", fmt.Errorf("close gzip writer: %v", err)
}
return base64.StdEncoding.EncodeToString(compressedBuffer.Bytes()), nil
}
func Gzip64Decode(data string) ([]byte, error) {
decodedBytes, err := base64.StdEncoding.DecodeString(data)
if err != nil {
return nil, err
}
gzipReader, err := gzip.NewReader(bytes.NewReader(decodedBytes))
if err != nil {
return nil, err
}
decompressedBytes, err := io.ReadAll(gzipReader)
if err != nil {
return nil, err
}
err = gzipReader.Close()
if err != nil {
return nil, err
}
return decompressedBytes, nil
}