feat: support br

middleware/gzip.go

@@ -2,14 +2,20 @@ package middleware
 
 import (
 	"compress/gzip"
+	"github.com/andybalholm/brotli"
 	"github.com/gin-gonic/gin"
 	"io"
 	"net/http"
 )
 
-func GzipDecodeMiddleware() gin.HandlerFunc {
+func DecompressRequestMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
-		if c.GetHeader("Content-Encoding") == "gzip" {
+		if c.Request.Body == nil || c.Request.Method == http.MethodGet {
+			c.Next()
+			return
+		}
+		switch c.GetHeader("Content-Encoding") {
+		case "gzip":
 			gzipReader, err := gzip.NewReader(c.Request.Body)
 			if err != nil {
 				c.AbortWithStatus(http.StatusBadRequest)
@@ -19,6 +25,11 @@ func GzipDecodeMiddleware() gin.HandlerFunc {
 
 			// Replace the request body with the decompressed data
 			c.Request.Body = io.NopCloser(gzipReader)
+			c.Request.Header.Del("Content-Encoding")
+		case "br":
+			reader := brotli.NewReader(c.Request.Body)
+			c.Request.Body = io.NopCloser(reader)
+			c.Request.Header.Del("Content-Encoding")
 		}
 
 		// Continue processing the request