根据Accept-Encoding决定是否解压响应内容

internal/caches/reader_memory.go

@@ -2,10 +2,13 @@ package caches
 
 import (
 	"errors"
+	"io"
 )
 
 type MemoryReader struct {
 	item *MemoryItem
+
+	offset int
 }
 
 func NewMemoryReader(item *MemoryItem) *MemoryReader {
@@ -111,6 +114,33 @@ func (this *MemoryReader) ReadBody(buf []byte, callback ReaderFunc) error {
 	return nil
 }
 
+func (this *MemoryReader) Read(buf []byte) (n int, err error) {
+	bufLen := len(buf)
+	if bufLen == 0 {
+		return 0, errors.New("using empty buffer")
+	}
+
+	bodySize := len(this.item.BodyValue)
+	left := bodySize - this.offset
+	if bufLen <= left {
+		copy(buf, this.item.BodyValue[this.offset:this.offset+bufLen])
+		n = bufLen
+
+		this.offset += bufLen
+		if this.offset >= bodySize {
+			err = io.EOF
+			return
+		}
+
+		return
+	} else {
+		copy(buf, this.item.BodyValue[this.offset:])
+		n = left
+		err = io.EOF
+		return
+	}
+}
+
 func (this *MemoryReader) ReadBodyRange(buf []byte, start int64, end int64, callback ReaderFunc) error {
 	offset := start
 	bodySize := int64(len(this.item.BodyValue))