Refactor: cache use generics

listener/http/proxy.go

@@ -15,7 +15,7 @@ import (
 	"github.com/Dreamacro/clash/log"
 )
 
-func HandleConn(c net.Conn, in chan<- C.ConnContext, cache *cache.Cache) {
+func HandleConn(c net.Conn, in chan<- C.ConnContext, cache *cache.Cache[string, bool]) {
 	client := newClient(c.RemoteAddr(), in)
 	defer client.CloseIdleConnections()
 
@@ -98,7 +98,7 @@ func HandleConn(c net.Conn, in chan<- C.ConnContext, cache *cache.Cache) {
 	conn.Close()
 }
 
-func authenticate(request *http.Request, cache *cache.Cache) *http.Response {
+func authenticate(request *http.Request, cache *cache.Cache[string, bool]) *http.Response {
 	authenticator := authStore.Authenticator()
 	if authenticator != nil {
 		credential := parseBasicProxyAuthorization(request)
@@ -108,13 +108,13 @@ func authenticate(request *http.Request, cache *cache.Cache) *http.Response {
 			return resp
 		}
 
-		var authed any
-		if authed = cache.Get(credential); authed == nil {
+		var authed bool
+		if authed = cache.Get(credential); !authed {
 			user, pass, err := decodeBasicProxyAuthorization(credential)
 			authed = err == nil && authenticator.Verify(user, pass)
 			cache.Put(credential, authed, time.Minute)
 		}
-		if !authed.(bool) {
+		if !authed {
 			log.Infoln("Auth failed from %s", request.RemoteAddr)
 
 			return responseWith(request, http.StatusForbidden)

listener/http/server.go

@@ -40,9 +40,9 @@ func NewWithAuthenticate(addr string, in chan<- C.ConnContext, authenticate bool
 		return nil, err
 	}
 
-	var c *cache.Cache
+	var c *cache.Cache[string, bool]
 	if authenticate {
-		c = cache.New(time.Second * 30)
+		c = cache.New[string, bool](time.Second * 30)
 	}
 
 	hl := &Listener{

listener/mixed/mixed.go

@@ -16,7 +16,7 @@ import (
 type Listener struct {
 	listener net.Listener
 	addr     string
-	cache    *cache.Cache
+	cache    *cache.Cache[string, bool]
 	closed   bool
 }
 
@@ -45,7 +45,7 @@ func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
 	ml := &Listener{
 		listener: l,
 		addr:     addr,
-		cache:    cache.New(30 * time.Second),
+		cache:    cache.New[string, bool](30 * time.Second),
 	}
 	go func() {
 		for {
@@ -63,7 +63,7 @@ func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
 	return ml, nil
 }
 
-func handleConn(conn net.Conn, in chan<- C.ConnContext, cache *cache.Cache) {
+func handleConn(conn net.Conn, in chan<- C.ConnContext, cache *cache.Cache[string, bool]) {
 	conn.(*net.TCPConn).SetKeepAlive(true)
 
 	bufConn := N.NewBufferedConn(conn)