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http/response: add brotli compression support

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This commit is contained in:
Frédéric Guillot 2024-04-19 11:43:20 -07:00
parent 2caabbe939
commit 2c4c845cd2
6 changed files with 45 additions and 8 deletions
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11
internal/http/response/builder.go
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@ -12,6 +12,8 @@ import (
"net/http"
"strings"
"time"
"github.com/andybalholm/brotli"
)
const compressionThreshold = 1024
@ -110,8 +112,15 @@ func (b *Builder) writeHeaders() {
func (b *Builder) compress(data []byte) {
if b.enableCompression && len(data) > compressionThreshold {
acceptEncoding := b.r.Header.Get("Accept-Encoding")
switch {
case strings.Contains(acceptEncoding, "br"):
b.headers["Content-Encoding"] = "br"
b.writeHeaders()
brotliWriter := brotli.NewWriterV2(b.w, brotli.DefaultCompression)
defer brotliWriter.Close()
brotliWriter.Write(data)
return
case strings.Contains(acceptEncoding, "gzip"):
b.headers["Content-Encoding"] = "gzip"
b.writeHeaders()