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49 lines
974 B
49 lines
974 B
package storage
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import (
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"bytes"
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"compress/flate"
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"compress/gzip"
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"io/ioutil"
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"strings"
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)
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func IsGzippable(ext, mtype string) bool {
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if ext == ".zip" {
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return false
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}
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if ext == ".rar" {
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return false
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}
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if ext == ".gz" {
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return false
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}
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if strings.Index(mtype,"text/")==0 {
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return true
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}
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if strings.Index(mtype,"application/")==0 {
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return true
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}
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return false
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}
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func GzipData(input []byte) []byte {
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buf := new(bytes.Buffer)
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w, _ := gzip.NewWriterLevel(buf, flate.BestCompression)
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if _, err := w.Write(input); err!=nil {
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println("error compressing data:", err)
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}
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if err := w.Close(); err!=nil {
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println("error closing compressed data:", err)
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}
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return buf.Bytes()
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}
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func UnGzipData(input []byte) []byte {
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buf := bytes.NewBuffer(input)
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r, _ := gzip.NewReader(buf)
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defer r.Close()
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output, err := ioutil.ReadAll(r)
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if err!=nil {
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println("error uncompressing data:", err)
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}
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return output
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}
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