feat: kubesphere 4.0 (#6115)

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

---------

Signed-off-by: ci-bot <ci-bot@kubesphere.io>
Co-authored-by: ks-ci-bot <ks-ci-bot@example.com>
Co-authored-by: joyceliu <joyceliu@yunify.com>

vendor/github.com/gorilla/websocket/proxy.go

@@ -8,10 +8,13 @@ import (
 	"bufio"
 	"encoding/base64"
 	"errors"
+	"log"
 	"net"
 	"net/http"
 	"net/url"
 	"strings"
+
+	"golang.org/x/net/proxy"
 )
 
 type netDialerFunc func(network, addr string) (net.Conn, error)
@@ -21,7 +24,7 @@ func (fn netDialerFunc) Dial(network, addr string) (net.Conn, error) {
 }
 
 func init() {
-	proxy_RegisterDialerType("http", func(proxyURL *url.URL, forwardDialer proxy_Dialer) (proxy_Dialer, error) {
+	proxy.RegisterDialerType("http", func(proxyURL *url.URL, forwardDialer proxy.Dialer) (proxy.Dialer, error) {
 		return &httpProxyDialer{proxyURL: proxyURL, forwardDial: forwardDialer.Dial}, nil
 	})
 }
@@ -55,7 +58,9 @@ func (hpd *httpProxyDialer) Dial(network string, addr string) (net.Conn, error)
 	}
 
 	if err := connectReq.Write(conn); err != nil {
-		conn.Close()
+		if err := conn.Close(); err != nil {
+			log.Printf("httpProxyDialer: failed to close connection: %v", err)
+		}
 		return nil, err
 	}
 
@@ -64,12 +69,16 @@ func (hpd *httpProxyDialer) Dial(network string, addr string) (net.Conn, error)
 	br := bufio.NewReader(conn)
 	resp, err := http.ReadResponse(br, connectReq)
 	if err != nil {
-		conn.Close()
+		if err := conn.Close(); err != nil {
+			log.Printf("httpProxyDialer: failed to close connection: %v", err)
+		}
 		return nil, err
 	}
 
 	if resp.StatusCode != 200 {
-		conn.Close()
+		if err := conn.Close(); err != nil {
+			log.Printf("httpProxyDialer: failed to close connection: %v", err)
+		}
 		f := strings.SplitN(resp.Status, " ", 2)
 		return nil, errors.New(f[1])
 	}