gzip解压缩问题

tls/client.go

 package tls
 
 import (
+	"bytes"
+	"compress/flate"
+	"compress/gzip"
 	"crypto/rand"
+	"encoding/binary"
 	"errors"
+	"github.com/andybalholm/brotli"
 	http "github.com/bogdanfinn/fhttp"
 	tls_client "github.com/bogdanfinn/tls-client"
 	"github.com/sirupsen/logrus"
-	"io"
+	"io/ioutil"
 	"math/big"
 	"net/url"
 	"strings"
@@ -90,9 +95,12 @@ func (c *Client) GetSessionCookies() map[string]string {
 
 func (c *Client) GetText() string {
 	defer c.Response.Body.Close()
-	http.DecompressBody(c.Response)
-	rb, _ := io.ReadAll(c.Response.Body)
-	return string(rb)
+	//http.DecompressBody(c.Response)
+	//rb, _ := io.ReadAll(c.Response.Body)
+	content, _ := ioutil.ReadAll(c.Response.Body)
+	encoding := c.Response.Header.Get("Content-Encoding")
+	DecompressBody(&content, encoding)
+	return string(content)
 }
 
 func (c *Client) GetRespUrl() string {
@@ -149,3 +157,64 @@ func NewClient(forWard ForwardItem, ios bool) (Client, error) {
 	}
 	return Client{Client: client, Item: forWard, Jar: jar, TlsVersion: tlsVersion.GetClientHelloStr()}, nil
 }
+
+// 解码Body数据
+func DecompressBody(content *[]byte, encoding string) {
+	if encoding != "" {
+		if strings.ToLower(encoding) == "gzip" {
+			decodeGZip(content)
+		} else if strings.ToLower(encoding) == "deflate" {
+			decodeDeflate(content)
+		} else if strings.ToLower(encoding) == "br" {
+			decodeBrotli(content)
+		}
+	}
+}
+
+// 解码GZip编码
+func decodeGZip(content *[]byte) error {
+	if content == nil {
+		return nil
+	}
+	b := new(bytes.Buffer)
+	binary.Write(b, binary.LittleEndian, content)
+	r, err := gzip.NewReader(b)
+	if err != nil {
+		return err
+	}
+	defer r.Close()
+	*content, err = ioutil.ReadAll(r)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// 解码deflate编码
+func decodeDeflate(content *[]byte) error {
+	var err error
+	if content == nil {
+		return err
+	}
+	r := flate.NewReader(bytes.NewReader(*content))
+	defer r.Close()
+	*content, err = ioutil.ReadAll(r)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// 解码br编码
+func decodeBrotli(content *[]byte) error {
+	var err error
+	if content == nil {
+		return err
+	}
+	r := brotli.NewReader(bytes.NewReader(*content))
+	*content, err = ioutil.ReadAll(r)
+	if err != nil {
+		return err
+	}
+	return nil
+}